ffmpeg / libavcodec / h264.c @ 5509bffa
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/*
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* H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
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* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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/**
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* @file h264.c
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* H.264 / AVC / MPEG4 part10 codec.
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* @author Michael Niedermayer <michaelni@gmx.at>
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*/
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#include "common.h" |
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#include "dsputil.h" |
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#include "avcodec.h" |
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#include "mpegvideo.h" |
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#include "h264data.h" |
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#include "golomb.h" |
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#include "cabac.h" |
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#undef NDEBUG
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#include <assert.h> |
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#define interlaced_dct interlaced_dct_is_a_bad_name
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#define mb_intra mb_intra_isnt_initalized_see_mb_type
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#define LUMA_DC_BLOCK_INDEX 25 |
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#define CHROMA_DC_BLOCK_INDEX 26 |
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#define CHROMA_DC_COEFF_TOKEN_VLC_BITS 8 |
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#define COEFF_TOKEN_VLC_BITS 8 |
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#define TOTAL_ZEROS_VLC_BITS 9 |
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#define CHROMA_DC_TOTAL_ZEROS_VLC_BITS 3 |
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#define RUN_VLC_BITS 3 |
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#define RUN7_VLC_BITS 6 |
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#define MAX_SPS_COUNT 32 |
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#define MAX_PPS_COUNT 256 |
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#define MAX_MMCO_COUNT 66 |
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/**
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* Sequence parameter set
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*/
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typedef struct SPS{ |
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int profile_idc;
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int level_idc;
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int transform_bypass; ///< qpprime_y_zero_transform_bypass_flag |
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int log2_max_frame_num; ///< log2_max_frame_num_minus4 + 4 |
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int poc_type; ///< pic_order_cnt_type |
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int log2_max_poc_lsb; ///< log2_max_pic_order_cnt_lsb_minus4 |
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int delta_pic_order_always_zero_flag;
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int offset_for_non_ref_pic;
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int offset_for_top_to_bottom_field;
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int poc_cycle_length; ///< num_ref_frames_in_pic_order_cnt_cycle |
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int ref_frame_count; ///< num_ref_frames |
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int gaps_in_frame_num_allowed_flag;
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int mb_width; ///< frame_width_in_mbs_minus1 + 1 |
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int mb_height; ///< frame_height_in_mbs_minus1 + 1 |
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int frame_mbs_only_flag;
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int mb_aff; ///<mb_adaptive_frame_field_flag |
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int direct_8x8_inference_flag;
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int crop; ///< frame_cropping_flag |
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int crop_left; ///< frame_cropping_rect_left_offset |
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int crop_right; ///< frame_cropping_rect_right_offset |
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int crop_top; ///< frame_cropping_rect_top_offset |
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int crop_bottom; ///< frame_cropping_rect_bottom_offset |
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int vui_parameters_present_flag;
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AVRational sar; |
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int timing_info_present_flag;
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uint32_t num_units_in_tick; |
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uint32_t time_scale; |
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int fixed_frame_rate_flag;
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short offset_for_ref_frame[256]; //FIXME dyn aloc? |
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int bitstream_restriction_flag;
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int num_reorder_frames;
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int scaling_matrix_present;
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uint8_t scaling_matrix4[6][16]; |
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uint8_t scaling_matrix8[2][64]; |
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}SPS; |
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/**
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* Picture parameter set
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*/
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typedef struct PPS{ |
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int sps_id;
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int cabac; ///< entropy_coding_mode_flag |
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int pic_order_present; ///< pic_order_present_flag |
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int slice_group_count; ///< num_slice_groups_minus1 + 1 |
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int mb_slice_group_map_type;
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int ref_count[2]; ///< num_ref_idx_l0/1_active_minus1 + 1 |
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int weighted_pred; ///< weighted_pred_flag |
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int weighted_bipred_idc;
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int init_qp; ///< pic_init_qp_minus26 + 26 |
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int init_qs; ///< pic_init_qs_minus26 + 26 |
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int chroma_qp_index_offset;
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int deblocking_filter_parameters_present; ///< deblocking_filter_parameters_present_flag |
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int constrained_intra_pred; ///< constrained_intra_pred_flag |
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int redundant_pic_cnt_present; ///< redundant_pic_cnt_present_flag |
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int transform_8x8_mode; ///< transform_8x8_mode_flag |
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uint8_t scaling_matrix4[6][16]; |
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uint8_t scaling_matrix8[2][64]; |
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}PPS; |
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/**
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* Memory management control operation opcode.
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*/
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typedef enum MMCOOpcode{ |
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MMCO_END=0,
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MMCO_SHORT2UNUSED, |
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MMCO_LONG2UNUSED, |
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MMCO_SHORT2LONG, |
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MMCO_SET_MAX_LONG, |
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MMCO_RESET, |
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MMCO_LONG, |
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} MMCOOpcode; |
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/**
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* Memory management control operation.
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*/
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typedef struct MMCO{ |
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MMCOOpcode opcode; |
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int short_frame_num;
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int long_index;
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} MMCO; |
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/**
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* H264Context
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*/
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typedef struct H264Context{ |
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MpegEncContext s; |
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int nal_ref_idc;
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int nal_unit_type;
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#define NAL_SLICE 1 |
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#define NAL_DPA 2 |
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#define NAL_DPB 3 |
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#define NAL_DPC 4 |
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#define NAL_IDR_SLICE 5 |
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#define NAL_SEI 6 |
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#define NAL_SPS 7 |
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#define NAL_PPS 8 |
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#define NAL_AUD 9 |
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#define NAL_END_SEQUENCE 10 |
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#define NAL_END_STREAM 11 |
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#define NAL_FILLER_DATA 12 |
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#define NAL_SPS_EXT 13 |
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#define NAL_AUXILIARY_SLICE 19 |
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uint8_t *rbsp_buffer; |
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int rbsp_buffer_size;
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/**
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* Used to parse AVC variant of h264
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*/
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int is_avc; ///< this flag is != 0 if codec is avc1 |
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int got_avcC; ///< flag used to parse avcC data only once |
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int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4) |
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int chroma_qp; //QPc |
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int prev_mb_skipped; //FIXME remove (IMHO not used) |
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//prediction stuff
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int chroma_pred_mode;
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int intra16x16_pred_mode;
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int top_mb_xy;
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int left_mb_xy[2]; |
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int8_t intra4x4_pred_mode_cache[5*8]; |
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int8_t (*intra4x4_pred_mode)[8];
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void (*pred4x4 [9+3])(uint8_t *src, uint8_t *topright, int stride);//FIXME move to dsp? |
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void (*pred8x8l [9+3])(uint8_t *src, int topleft, int topright, int stride); |
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void (*pred8x8 [4+3])(uint8_t *src, int stride); |
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void (*pred16x16[4+3])(uint8_t *src, int stride); |
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unsigned int topleft_samples_available; |
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unsigned int top_samples_available; |
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unsigned int topright_samples_available; |
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unsigned int left_samples_available; |
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uint8_t (*top_borders[2])[16+2*8]; |
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uint8_t left_border[2*(17+2*9)]; |
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/**
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* non zero coeff count cache.
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* is 64 if not available.
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*/
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uint8_t non_zero_count_cache[6*8] __align8; |
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uint8_t (*non_zero_count)[16];
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/**
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* Motion vector cache.
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*/
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int16_t mv_cache[2][5*8][2] __align8; |
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int8_t ref_cache[2][5*8] __align8; |
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#define LIST_NOT_USED -1 //FIXME rename? |
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#define PART_NOT_AVAILABLE -2 |
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/**
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* is 1 if the specific list MV&references are set to 0,0,-2.
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*/
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int mv_cache_clean[2]; |
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/**
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* number of neighbors (top and/or left) that used 8x8 dct
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*/
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int neighbor_transform_size;
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/**
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* block_offset[ 0..23] for frame macroblocks
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* block_offset[24..47] for field macroblocks
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*/
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int block_offset[2*(16+8)]; |
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uint32_t *mb2b_xy; //FIXME are these 4 a good idea?
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uint32_t *mb2b8_xy; |
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int b_stride; //FIXME use s->b4_stride |
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int b8_stride;
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int halfpel_flag;
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int thirdpel_flag;
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int unknown_svq3_flag;
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int next_slice_index;
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SPS sps_buffer[MAX_SPS_COUNT]; |
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SPS sps; ///< current sps
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PPS pps_buffer[MAX_PPS_COUNT]; |
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/**
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* current pps
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*/
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PPS pps; //FIXME move to Picture perhaps? (->no) do we need that?
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uint32_t dequant4_buffer[6][52][16]; |
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uint32_t dequant8_buffer[2][52][64]; |
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uint32_t (*dequant4_coeff[6])[16]; |
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uint32_t (*dequant8_coeff[2])[64]; |
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int dequant_coeff_pps; ///< reinit tables when pps changes |
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|
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int slice_num;
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uint8_t *slice_table_base; |
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uint8_t *slice_table; ///< slice_table_base + mb_stride + 1
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int slice_type;
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int slice_type_fixed;
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//interlacing specific flags
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int mb_aff_frame;
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int mb_field_decoding_flag;
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int sub_mb_type[4]; |
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//POC stuff
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int poc_lsb;
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int poc_msb;
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int delta_poc_bottom;
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int delta_poc[2]; |
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int frame_num;
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int prev_poc_msb; ///< poc_msb of the last reference pic for POC type 0 |
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int prev_poc_lsb; ///< poc_lsb of the last reference pic for POC type 0 |
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int frame_num_offset; ///< for POC type 2 |
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int prev_frame_num_offset; ///< for POC type 2 |
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int prev_frame_num; ///< frame_num of the last pic for POC type 1/2 |
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/**
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* frame_num for frames or 2*frame_num for field pics.
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*/
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int curr_pic_num;
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/**
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* max_frame_num or 2*max_frame_num for field pics.
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*/
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int max_pic_num;
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//Weighted pred stuff
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int use_weight;
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int use_weight_chroma;
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int luma_log2_weight_denom;
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int chroma_log2_weight_denom;
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int luma_weight[2][16]; |
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int luma_offset[2][16]; |
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int chroma_weight[2][16][2]; |
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int chroma_offset[2][16][2]; |
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int implicit_weight[16][16]; |
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|
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//deblock
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int deblocking_filter; ///< disable_deblocking_filter_idc with 1<->0 |
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int slice_alpha_c0_offset;
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int slice_beta_offset;
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|
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int redundant_pic_count;
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int direct_spatial_mv_pred;
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int dist_scale_factor[16]; |
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int map_col_to_list0[2][16]; |
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|
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/**
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* num_ref_idx_l0/1_active_minus1 + 1
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*/
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int ref_count[2];// FIXME split for AFF |
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Picture *short_ref[32];
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Picture *long_ref[32];
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Picture default_ref_list[2][32]; |
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Picture ref_list[2][32]; //FIXME size? |
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Picture field_ref_list[2][32]; //FIXME size? |
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Picture *delayed_pic[16]; //FIXME size? |
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Picture *delayed_output_pic; |
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|
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/**
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* memory management control operations buffer.
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*/
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MMCO mmco[MAX_MMCO_COUNT]; |
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int mmco_index;
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int long_ref_count; ///< number of actual long term references |
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int short_ref_count; ///< number of actual short term references |
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//data partitioning
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GetBitContext intra_gb; |
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GetBitContext inter_gb; |
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GetBitContext *intra_gb_ptr; |
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GetBitContext *inter_gb_ptr; |
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|
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DCTELEM mb[16*24] __align8; |
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|
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/**
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* Cabac
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*/
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CABACContext cabac; |
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uint8_t cabac_state[460];
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int cabac_init_idc;
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|
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/* 0x100 -> non null luma_dc, 0x80/0x40 -> non null chroma_dc (cb/cr), 0x?0 -> chroma_cbp(0,1,2), 0x0? luma_cbp */
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uint16_t *cbp_table; |
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int top_cbp;
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int left_cbp;
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/* chroma_pred_mode for i4x4 or i16x16, else 0 */
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uint8_t *chroma_pred_mode_table; |
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int last_qscale_diff;
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int16_t (*mvd_table[2])[2]; |
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int16_t mvd_cache[2][5*8][2] __align8; |
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uint8_t *direct_table; |
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uint8_t direct_cache[5*8]; |
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|
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uint8_t zigzag_scan[16];
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uint8_t field_scan[16];
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const uint8_t *zigzag_scan_q0;
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const uint8_t *field_scan_q0;
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|
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int x264_build;
|
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}H264Context; |
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|
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static VLC coeff_token_vlc[4]; |
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static VLC chroma_dc_coeff_token_vlc;
|
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|
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static VLC total_zeros_vlc[15]; |
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static VLC chroma_dc_total_zeros_vlc[3]; |
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|
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static VLC run_vlc[6]; |
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static VLC run7_vlc;
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|
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static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp); |
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static void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc); |
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static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize); |
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|
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static always_inline uint32_t pack16to32(int a, int b){ |
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#ifdef WORDS_BIGENDIAN
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return (b&0xFFFF) + (a<<16); |
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#else
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return (a&0xFFFF) + (b<<16); |
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#endif
|
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} |
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|
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/**
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* fill a rectangle.
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* @param h height of the rectangle, should be a constant
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* @param w width of the rectangle, should be a constant
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* @param size the size of val (1 or 4), should be a constant
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*/
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static always_inline void fill_rectangle(void *vp, int w, int h, int stride, uint32_t val, int size){ |
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uint8_t *p= (uint8_t*)vp; |
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assert(size==1 || size==4); |
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w *= size; |
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stride *= size; |
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assert((((long)vp)&(FFMIN(w, STRIDE_ALIGN)-1)) == 0); |
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assert((stride&(w-1))==0); |
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//FIXME check what gcc generates for 64 bit on x86 and possibly write a 32 bit ver of it
|
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if(w==2 && h==2){ |
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*(uint16_t*)(p + 0)=
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*(uint16_t*)(p + stride)= size==4 ? val : val*0x0101; |
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}else if(w==2 && h==4){ |
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*(uint16_t*)(p + 0*stride)=
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*(uint16_t*)(p + 1*stride)=
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*(uint16_t*)(p + 2*stride)=
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*(uint16_t*)(p + 3*stride)= size==4 ? val : val*0x0101; |
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}else if(w==4 && h==1){ |
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*(uint32_t*)(p + 0*stride)= size==4 ? val : val*0x01010101; |
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}else if(w==4 && h==2){ |
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*(uint32_t*)(p + 0*stride)=
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*(uint32_t*)(p + 1*stride)= size==4 ? val : val*0x01010101; |
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}else if(w==4 && h==4){ |
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*(uint32_t*)(p + 0*stride)=
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*(uint32_t*)(p + 1*stride)=
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*(uint32_t*)(p + 2*stride)=
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*(uint32_t*)(p + 3*stride)= size==4 ? val : val*0x01010101; |
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}else if(w==8 && h==1){ |
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*(uint32_t*)(p + 0)=
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*(uint32_t*)(p + 4)= size==4 ? val : val*0x01010101; |
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}else if(w==8 && h==2){ |
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*(uint32_t*)(p + 0 + 0*stride)= |
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*(uint32_t*)(p + 4 + 0*stride)= |
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*(uint32_t*)(p + 0 + 1*stride)= |
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*(uint32_t*)(p + 4 + 1*stride)= size==4 ? val : val*0x01010101; |
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}else if(w==8 && h==4){ |
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*(uint64_t*)(p + 0*stride)=
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*(uint64_t*)(p + 1*stride)=
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*(uint64_t*)(p + 2*stride)=
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*(uint64_t*)(p + 3*stride)= size==4 ? val*0x0100000001ULL : val*0x0101010101010101ULL; |
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}else if(w==16 && h==2){ |
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*(uint64_t*)(p + 0+0*stride)= |
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*(uint64_t*)(p + 8+0*stride)= |
| 438 |
*(uint64_t*)(p + 0+1*stride)= |
| 439 |
*(uint64_t*)(p + 8+1*stride)= size==4 ? val*0x0100000001ULL : val*0x0101010101010101ULL; |
| 440 |
}else if(w==16 && h==4){ |
| 441 |
*(uint64_t*)(p + 0+0*stride)= |
| 442 |
*(uint64_t*)(p + 8+0*stride)= |
| 443 |
*(uint64_t*)(p + 0+1*stride)= |
| 444 |
*(uint64_t*)(p + 8+1*stride)= |
| 445 |
*(uint64_t*)(p + 0+2*stride)= |
| 446 |
*(uint64_t*)(p + 8+2*stride)= |
| 447 |
*(uint64_t*)(p + 0+3*stride)= |
| 448 |
*(uint64_t*)(p + 8+3*stride)= size==4 ? val*0x0100000001ULL : val*0x0101010101010101ULL; |
| 449 |
}else
|
| 450 |
assert(0);
|
| 451 |
} |
| 452 |
|
| 453 |
static void fill_caches(H264Context *h, int mb_type, int for_deblock){ |
| 454 |
MpegEncContext * const s = &h->s;
|
| 455 |
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride; |
| 456 |
int topleft_xy, top_xy, topright_xy, left_xy[2]; |
| 457 |
int topleft_type, top_type, topright_type, left_type[2]; |
| 458 |
int left_block[8]; |
| 459 |
int i;
|
| 460 |
|
| 461 |
//FIXME deblocking can skip fill_caches much of the time with multiple slices too.
|
| 462 |
// the actual condition is whether we're on the edge of a slice,
|
| 463 |
// and even then the intra and nnz parts are unnecessary.
|
| 464 |
if(for_deblock && h->slice_num == 1) |
| 465 |
return;
|
| 466 |
|
| 467 |
//wow what a mess, why didn't they simplify the interlacing&intra stuff, i can't imagine that these complex rules are worth it
|
| 468 |
|
| 469 |
top_xy = mb_xy - s->mb_stride; |
| 470 |
topleft_xy = top_xy - 1;
|
| 471 |
topright_xy= top_xy + 1;
|
| 472 |
left_xy[1] = left_xy[0] = mb_xy-1; |
| 473 |
left_block[0]= 0; |
| 474 |
left_block[1]= 1; |
| 475 |
left_block[2]= 2; |
| 476 |
left_block[3]= 3; |
| 477 |
left_block[4]= 7; |
| 478 |
left_block[5]= 10; |
| 479 |
left_block[6]= 8; |
| 480 |
left_block[7]= 11; |
| 481 |
if(h->mb_aff_frame){
|
| 482 |
const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride; |
| 483 |
const int top_pair_xy = pair_xy - s->mb_stride; |
| 484 |
const int topleft_pair_xy = top_pair_xy - 1; |
| 485 |
const int topright_pair_xy = top_pair_xy + 1; |
| 486 |
const int topleft_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]); |
| 487 |
const int top_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]); |
| 488 |
const int topright_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]); |
| 489 |
const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]); |
| 490 |
const int curr_mb_frame_flag = !IS_INTERLACED(mb_type); |
| 491 |
const int bottom = (s->mb_y & 1); |
| 492 |
tprintf("fill_caches: curr_mb_frame_flag:%d, left_mb_frame_flag:%d, topleft_mb_frame_flag:%d, top_mb_frame_flag:%d, topright_mb_frame_flag:%d\n", curr_mb_frame_flag, left_mb_frame_flag, topleft_mb_frame_flag, top_mb_frame_flag, topright_mb_frame_flag);
|
| 493 |
if (bottom
|
| 494 |
? !curr_mb_frame_flag // bottom macroblock
|
| 495 |
: (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock
|
| 496 |
) {
|
| 497 |
top_xy -= s->mb_stride; |
| 498 |
} |
| 499 |
if (bottom
|
| 500 |
? !curr_mb_frame_flag // bottom macroblock
|
| 501 |
: (!curr_mb_frame_flag && !topleft_mb_frame_flag) // top macroblock
|
| 502 |
) {
|
| 503 |
topleft_xy -= s->mb_stride; |
| 504 |
} |
| 505 |
if (bottom
|
| 506 |
? !curr_mb_frame_flag // bottom macroblock
|
| 507 |
: (!curr_mb_frame_flag && !topright_mb_frame_flag) // top macroblock
|
| 508 |
) {
|
| 509 |
topright_xy -= s->mb_stride; |
| 510 |
} |
| 511 |
if (left_mb_frame_flag != curr_mb_frame_flag) {
|
| 512 |
left_xy[1] = left_xy[0] = pair_xy - 1; |
| 513 |
if (curr_mb_frame_flag) {
|
| 514 |
if (bottom) {
|
| 515 |
left_block[0]= 2; |
| 516 |
left_block[1]= 2; |
| 517 |
left_block[2]= 3; |
| 518 |
left_block[3]= 3; |
| 519 |
left_block[4]= 8; |
| 520 |
left_block[5]= 11; |
| 521 |
left_block[6]= 8; |
| 522 |
left_block[7]= 11; |
| 523 |
} else {
|
| 524 |
left_block[0]= 0; |
| 525 |
left_block[1]= 0; |
| 526 |
left_block[2]= 1; |
| 527 |
left_block[3]= 1; |
| 528 |
left_block[4]= 7; |
| 529 |
left_block[5]= 10; |
| 530 |
left_block[6]= 7; |
| 531 |
left_block[7]= 10; |
| 532 |
} |
| 533 |
} else {
|
| 534 |
left_xy[1] += s->mb_stride;
|
| 535 |
//left_block[0]= 0;
|
| 536 |
left_block[1]= 2; |
| 537 |
left_block[2]= 0; |
| 538 |
left_block[3]= 2; |
| 539 |
//left_block[4]= 7;
|
| 540 |
left_block[5]= 10; |
| 541 |
left_block[6]= 7; |
| 542 |
left_block[7]= 10; |
| 543 |
} |
| 544 |
} |
| 545 |
} |
| 546 |
|
| 547 |
h->top_mb_xy = top_xy; |
| 548 |
h->left_mb_xy[0] = left_xy[0]; |
| 549 |
h->left_mb_xy[1] = left_xy[1]; |
| 550 |
if(for_deblock){
|
| 551 |
topleft_type = h->slice_table[topleft_xy ] < 255 ? s->current_picture.mb_type[topleft_xy] : 0; |
| 552 |
top_type = h->slice_table[top_xy ] < 255 ? s->current_picture.mb_type[top_xy] : 0; |
| 553 |
topright_type= h->slice_table[topright_xy] < 255 ? s->current_picture.mb_type[topright_xy]: 0; |
| 554 |
left_type[0] = h->slice_table[left_xy[0] ] < 255 ? s->current_picture.mb_type[left_xy[0]] : 0; |
| 555 |
left_type[1] = h->slice_table[left_xy[1] ] < 255 ? s->current_picture.mb_type[left_xy[1]] : 0; |
| 556 |
}else{
|
| 557 |
topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;
|
| 558 |
top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;
|
| 559 |
topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;
|
| 560 |
left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0; |
| 561 |
left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0; |
| 562 |
} |
| 563 |
|
| 564 |
if(IS_INTRA(mb_type)){
|
| 565 |
h->topleft_samples_available= |
| 566 |
h->top_samples_available= |
| 567 |
h->left_samples_available= 0xFFFF;
|
| 568 |
h->topright_samples_available= 0xEEEA;
|
| 569 |
|
| 570 |
if(!IS_INTRA(top_type) && (top_type==0 || h->pps.constrained_intra_pred)){ |
| 571 |
h->topleft_samples_available= 0xB3FF;
|
| 572 |
h->top_samples_available= 0x33FF;
|
| 573 |
h->topright_samples_available= 0x26EA;
|
| 574 |
} |
| 575 |
for(i=0; i<2; i++){ |
| 576 |
if(!IS_INTRA(left_type[i]) && (left_type[i]==0 || h->pps.constrained_intra_pred)){ |
| 577 |
h->topleft_samples_available&= 0xDF5F;
|
| 578 |
h->left_samples_available&= 0x5F5F;
|
| 579 |
} |
| 580 |
} |
| 581 |
|
| 582 |
if(!IS_INTRA(topleft_type) && (topleft_type==0 || h->pps.constrained_intra_pred)) |
| 583 |
h->topleft_samples_available&= 0x7FFF;
|
| 584 |
|
| 585 |
if(!IS_INTRA(topright_type) && (topright_type==0 || h->pps.constrained_intra_pred)) |
| 586 |
h->topright_samples_available&= 0xFBFF;
|
| 587 |
|
| 588 |
if(IS_INTRA4x4(mb_type)){
|
| 589 |
if(IS_INTRA4x4(top_type)){
|
| 590 |
h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4]; |
| 591 |
h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5]; |
| 592 |
h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6]; |
| 593 |
h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3]; |
| 594 |
}else{
|
| 595 |
int pred;
|
| 596 |
if(!top_type || (IS_INTER(top_type) && h->pps.constrained_intra_pred))
|
| 597 |
pred= -1;
|
| 598 |
else{
|
| 599 |
pred= 2;
|
| 600 |
} |
| 601 |
h->intra4x4_pred_mode_cache[4+8*0]= |
| 602 |
h->intra4x4_pred_mode_cache[5+8*0]= |
| 603 |
h->intra4x4_pred_mode_cache[6+8*0]= |
| 604 |
h->intra4x4_pred_mode_cache[7+8*0]= pred; |
| 605 |
} |
| 606 |
for(i=0; i<2; i++){ |
| 607 |
if(IS_INTRA4x4(left_type[i])){
|
| 608 |
h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]]; |
| 609 |
h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]]; |
| 610 |
}else{
|
| 611 |
int pred;
|
| 612 |
if(!left_type[i] || (IS_INTER(left_type[i]) && h->pps.constrained_intra_pred))
|
| 613 |
pred= -1;
|
| 614 |
else{
|
| 615 |
pred= 2;
|
| 616 |
} |
| 617 |
h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= |
| 618 |
h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred; |
| 619 |
} |
| 620 |
} |
| 621 |
} |
| 622 |
} |
| 623 |
|
| 624 |
|
| 625 |
/*
|
| 626 |
0 . T T. T T T T
|
| 627 |
1 L . .L . . . .
|
| 628 |
2 L . .L . . . .
|
| 629 |
3 . T TL . . . .
|
| 630 |
4 L . .L . . . .
|
| 631 |
5 L . .. . . . .
|
| 632 |
*/
|
| 633 |
//FIXME constraint_intra_pred & partitioning & nnz (lets hope this is just a typo in the spec)
|
| 634 |
if(top_type){
|
| 635 |
h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][4]; |
| 636 |
h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][5]; |
| 637 |
h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][6]; |
| 638 |
h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][3]; |
| 639 |
|
| 640 |
h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][9]; |
| 641 |
h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][8]; |
| 642 |
|
| 643 |
h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][12]; |
| 644 |
h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][11]; |
| 645 |
|
| 646 |
}else{
|
| 647 |
h->non_zero_count_cache[4+8*0]= |
| 648 |
h->non_zero_count_cache[5+8*0]= |
| 649 |
h->non_zero_count_cache[6+8*0]= |
| 650 |
h->non_zero_count_cache[7+8*0]= |
| 651 |
|
| 652 |
h->non_zero_count_cache[1+8*0]= |
| 653 |
h->non_zero_count_cache[2+8*0]= |
| 654 |
|
| 655 |
h->non_zero_count_cache[1+8*3]= |
| 656 |
h->non_zero_count_cache[2+8*3]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64; |
| 657 |
|
| 658 |
} |
| 659 |
|
| 660 |
for (i=0; i<2; i++) { |
| 661 |
if(left_type[i]){
|
| 662 |
h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[0+2*i]]; |
| 663 |
h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[1+2*i]]; |
| 664 |
h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[4+2*i]]; |
| 665 |
h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[5+2*i]]; |
| 666 |
}else{
|
| 667 |
h->non_zero_count_cache[3+8*1 + 2*8*i]= |
| 668 |
h->non_zero_count_cache[3+8*2 + 2*8*i]= |
| 669 |
h->non_zero_count_cache[0+8*1 + 8*i]= |
| 670 |
h->non_zero_count_cache[0+8*4 + 8*i]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64; |
| 671 |
} |
| 672 |
} |
| 673 |
|
| 674 |
if( h->pps.cabac ) {
|
| 675 |
// top_cbp
|
| 676 |
if(top_type) {
|
| 677 |
h->top_cbp = h->cbp_table[top_xy]; |
| 678 |
} else if(IS_INTRA(mb_type)) { |
| 679 |
h->top_cbp = 0x1C0;
|
| 680 |
} else {
|
| 681 |
h->top_cbp = 0;
|
| 682 |
} |
| 683 |
// left_cbp
|
| 684 |
if (left_type[0]) { |
| 685 |
h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0; |
| 686 |
} else if(IS_INTRA(mb_type)) { |
| 687 |
h->left_cbp = 0x1C0;
|
| 688 |
} else {
|
| 689 |
h->left_cbp = 0;
|
| 690 |
} |
| 691 |
if (left_type[0]) { |
| 692 |
h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1; |
| 693 |
} |
| 694 |
if (left_type[1]) { |
| 695 |
h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3; |
| 696 |
} |
| 697 |
} |
| 698 |
|
| 699 |
#if 1 |
| 700 |
//FIXME direct mb can skip much of this
|
| 701 |
if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
|
| 702 |
int list;
|
| 703 |
for(list=0; list<1+(h->slice_type==B_TYPE); list++){ |
| 704 |
if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type) && !h->deblocking_filter){
|
| 705 |
/*if(!h->mv_cache_clean[list]){
|
| 706 |
memset(h->mv_cache [list], 0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all?
|
| 707 |
memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t));
|
| 708 |
h->mv_cache_clean[list]= 1;
|
| 709 |
}*/
|
| 710 |
continue;
|
| 711 |
} |
| 712 |
h->mv_cache_clean[list]= 0;
|
| 713 |
|
| 714 |
if(IS_INTER(top_type)){
|
| 715 |
const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride; |
| 716 |
const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride; |
| 717 |
*(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0]; |
| 718 |
*(uint32_t*)h->mv_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 1]; |
| 719 |
*(uint32_t*)h->mv_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 2]; |
| 720 |
*(uint32_t*)h->mv_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 3]; |
| 721 |
h->ref_cache[list][scan8[0] + 0 - 1*8]= |
| 722 |
h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0]; |
| 723 |
h->ref_cache[list][scan8[0] + 2 - 1*8]= |
| 724 |
h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1]; |
| 725 |
}else{
|
| 726 |
*(uint32_t*)h->mv_cache [list][scan8[0] + 0 - 1*8]= |
| 727 |
*(uint32_t*)h->mv_cache [list][scan8[0] + 1 - 1*8]= |
| 728 |
*(uint32_t*)h->mv_cache [list][scan8[0] + 2 - 1*8]= |
| 729 |
*(uint32_t*)h->mv_cache [list][scan8[0] + 3 - 1*8]= 0; |
| 730 |
*(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101; |
| 731 |
} |
| 732 |
|
| 733 |
//FIXME unify cleanup or sth
|
| 734 |
if(IS_INTER(left_type[0])){ |
| 735 |
const int b_xy= h->mb2b_xy[left_xy[0]] + 3; |
| 736 |
const int b8_xy= h->mb2b8_xy[left_xy[0]] + 1; |
| 737 |
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0]]; |
| 738 |
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1]]; |
| 739 |
h->ref_cache[list][scan8[0] - 1 + 0*8]= |
| 740 |
h->ref_cache[list][scan8[0] - 1 + 1*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0]>>1)]; |
| 741 |
}else{
|
| 742 |
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 0*8]= |
| 743 |
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 1*8]= 0; |
| 744 |
h->ref_cache[list][scan8[0] - 1 + 0*8]= |
| 745 |
h->ref_cache[list][scan8[0] - 1 + 1*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE; |
| 746 |
} |
| 747 |
|
| 748 |
if(IS_INTER(left_type[1])){ |
| 749 |
const int b_xy= h->mb2b_xy[left_xy[1]] + 3; |
| 750 |
const int b8_xy= h->mb2b8_xy[left_xy[1]] + 1; |
| 751 |
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[2]]; |
| 752 |
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[3]]; |
| 753 |
h->ref_cache[list][scan8[0] - 1 + 2*8]= |
| 754 |
h->ref_cache[list][scan8[0] - 1 + 3*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[2]>>1)]; |
| 755 |
}else{
|
| 756 |
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 2*8]= |
| 757 |
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 3*8]= 0; |
| 758 |
h->ref_cache[list][scan8[0] - 1 + 2*8]= |
| 759 |
h->ref_cache[list][scan8[0] - 1 + 3*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE; |
| 760 |
assert((!left_type[0]) == (!left_type[1])); |
| 761 |
} |
| 762 |
|
| 763 |
if(for_deblock || (IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred))
|
| 764 |
continue;
|
| 765 |
|
| 766 |
if(IS_INTER(topleft_type)){
|
| 767 |
const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride; |
| 768 |
const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + h->b8_stride; |
| 769 |
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy]; |
| 770 |
h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy]; |
| 771 |
}else{
|
| 772 |
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0; |
| 773 |
h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE; |
| 774 |
} |
| 775 |
|
| 776 |
if(IS_INTER(topright_type)){
|
| 777 |
const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride; |
| 778 |
const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride; |
| 779 |
*(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy]; |
| 780 |
h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy]; |
| 781 |
}else{
|
| 782 |
*(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0; |
| 783 |
h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE; |
| 784 |
} |
| 785 |
|
| 786 |
|
| 787 |
h->ref_cache[list][scan8[5 ]+1] = |
| 788 |
h->ref_cache[list][scan8[7 ]+1] = |
| 789 |
h->ref_cache[list][scan8[13]+1] = //FIXME remove past 3 (init somewhere else) |
| 790 |
h->ref_cache[list][scan8[4 ]] =
|
| 791 |
h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;
|
| 792 |
*(uint32_t*)h->mv_cache [list][scan8[5 ]+1]= |
| 793 |
*(uint32_t*)h->mv_cache [list][scan8[7 ]+1]= |
| 794 |
*(uint32_t*)h->mv_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else) |
| 795 |
*(uint32_t*)h->mv_cache [list][scan8[4 ]]=
|
| 796 |
*(uint32_t*)h->mv_cache [list][scan8[12]]= 0; |
| 797 |
|
| 798 |
if( h->pps.cabac ) {
|
| 799 |
/* XXX beurk, Load mvd */
|
| 800 |
if(IS_INTER(topleft_type)){
|
| 801 |
const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride; |
| 802 |
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy]; |
| 803 |
}else{
|
| 804 |
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 - 1*8]= 0; |
| 805 |
} |
| 806 |
|
| 807 |
if(IS_INTER(top_type)){
|
| 808 |
const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride; |
| 809 |
*(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0]; |
| 810 |
*(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1]; |
| 811 |
*(uint32_t*)h->mvd_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 2]; |
| 812 |
*(uint32_t*)h->mvd_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 3]; |
| 813 |
}else{
|
| 814 |
*(uint32_t*)h->mvd_cache [list][scan8[0] + 0 - 1*8]= |
| 815 |
*(uint32_t*)h->mvd_cache [list][scan8[0] + 1 - 1*8]= |
| 816 |
*(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]= |
| 817 |
*(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0; |
| 818 |
} |
| 819 |
if(IS_INTER(left_type[0])){ |
| 820 |
const int b_xy= h->mb2b_xy[left_xy[0]] + 3; |
| 821 |
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]]; |
| 822 |
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]]; |
| 823 |
}else{
|
| 824 |
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]= |
| 825 |
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0; |
| 826 |
} |
| 827 |
if(IS_INTER(left_type[1])){ |
| 828 |
const int b_xy= h->mb2b_xy[left_xy[1]] + 3; |
| 829 |
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]]; |
| 830 |
*(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]]; |
| 831 |
}else{
|
| 832 |
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]= |
| 833 |
*(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0; |
| 834 |
} |
| 835 |
*(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]= |
| 836 |
*(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]= |
| 837 |
*(uint32_t*)h->mvd_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else) |
| 838 |
*(uint32_t*)h->mvd_cache [list][scan8[4 ]]=
|
| 839 |
*(uint32_t*)h->mvd_cache [list][scan8[12]]= 0; |
| 840 |
|
| 841 |
if(h->slice_type == B_TYPE){
|
| 842 |
fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, 0, 1); |
| 843 |
|
| 844 |
if(IS_DIRECT(top_type)){
|
| 845 |
*(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101; |
| 846 |
}else if(IS_8X8(top_type)){ |
| 847 |
int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride;
|
| 848 |
h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy]; |
| 849 |
h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1]; |
| 850 |
}else{
|
| 851 |
*(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0; |
| 852 |
} |
| 853 |
|
| 854 |
//FIXME interlacing
|
| 855 |
if(IS_DIRECT(left_type[0])){ |
| 856 |
h->direct_cache[scan8[0] - 1 + 0*8]= |
| 857 |
h->direct_cache[scan8[0] - 1 + 2*8]= 1; |
| 858 |
}else if(IS_8X8(left_type[0])){ |
| 859 |
int b8_xy = h->mb2b8_xy[left_xy[0]] + 1; |
| 860 |
h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[b8_xy]; |
| 861 |
h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[b8_xy + h->b8_stride]; |
| 862 |
}else{
|
| 863 |
h->direct_cache[scan8[0] - 1 + 0*8]= |
| 864 |
h->direct_cache[scan8[0] - 1 + 2*8]= 0; |
| 865 |
} |
| 866 |
} |
| 867 |
} |
| 868 |
} |
| 869 |
} |
| 870 |
#endif
|
| 871 |
|
| 872 |
h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);
|
| 873 |
} |
| 874 |
|
| 875 |
static inline void write_back_intra_pred_mode(H264Context *h){ |
| 876 |
MpegEncContext * const s = &h->s;
|
| 877 |
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride; |
| 878 |
|
| 879 |
h->intra4x4_pred_mode[mb_xy][0]= h->intra4x4_pred_mode_cache[7+8*1]; |
| 880 |
h->intra4x4_pred_mode[mb_xy][1]= h->intra4x4_pred_mode_cache[7+8*2]; |
| 881 |
h->intra4x4_pred_mode[mb_xy][2]= h->intra4x4_pred_mode_cache[7+8*3]; |
| 882 |
h->intra4x4_pred_mode[mb_xy][3]= h->intra4x4_pred_mode_cache[7+8*4]; |
| 883 |
h->intra4x4_pred_mode[mb_xy][4]= h->intra4x4_pred_mode_cache[4+8*4]; |
| 884 |
h->intra4x4_pred_mode[mb_xy][5]= h->intra4x4_pred_mode_cache[5+8*4]; |
| 885 |
h->intra4x4_pred_mode[mb_xy][6]= h->intra4x4_pred_mode_cache[6+8*4]; |
| 886 |
} |
| 887 |
|
| 888 |
/**
|
| 889 |
* checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
|
| 890 |
*/
|
| 891 |
static inline int check_intra4x4_pred_mode(H264Context *h){ |
| 892 |
MpegEncContext * const s = &h->s;
|
| 893 |
static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0}; |
| 894 |
static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED}; |
| 895 |
int i;
|
| 896 |
|
| 897 |
if(!(h->top_samples_available&0x8000)){ |
| 898 |
for(i=0; i<4; i++){ |
| 899 |
int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ]; |
| 900 |
if(status<0){ |
| 901 |
av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
|
| 902 |
return -1; |
| 903 |
} else if(status){ |
| 904 |
h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
|
| 905 |
} |
| 906 |
} |
| 907 |
} |
| 908 |
|
| 909 |
if(!(h->left_samples_available&0x8000)){ |
| 910 |
for(i=0; i<4; i++){ |
| 911 |
int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ]; |
| 912 |
if(status<0){ |
| 913 |
av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
|
| 914 |
return -1; |
| 915 |
} else if(status){ |
| 916 |
h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status; |
| 917 |
} |
| 918 |
} |
| 919 |
} |
| 920 |
|
| 921 |
return 0; |
| 922 |
} //FIXME cleanup like next
|
| 923 |
|
| 924 |
/**
|
| 925 |
* checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
|
| 926 |
*/
|
| 927 |
static inline int check_intra_pred_mode(H264Context *h, int mode){ |
| 928 |
MpegEncContext * const s = &h->s;
|
| 929 |
static const int8_t top [7]= {LEFT_DC_PRED8x8, 1,-1,-1}; |
| 930 |
static const int8_t left[7]= { TOP_DC_PRED8x8,-1, 2,-1,DC_128_PRED8x8}; |
| 931 |
|
| 932 |
if(mode < 0 || mode > 6) { |
| 933 |
av_log(h->s.avctx, AV_LOG_ERROR, "out of range intra chroma pred mode at %d %d\n", s->mb_x, s->mb_y);
|
| 934 |
return -1; |
| 935 |
} |
| 936 |
|
| 937 |
if(!(h->top_samples_available&0x8000)){ |
| 938 |
mode= top[ mode ]; |
| 939 |
if(mode<0){ |
| 940 |
av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
|
| 941 |
return -1; |
| 942 |
} |
| 943 |
} |
| 944 |
|
| 945 |
if(!(h->left_samples_available&0x8000)){ |
| 946 |
mode= left[ mode ]; |
| 947 |
if(mode<0){ |
| 948 |
av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra mode at %d %d\n", s->mb_x, s->mb_y);
|
| 949 |
return -1; |
| 950 |
} |
| 951 |
} |
| 952 |
|
| 953 |
return mode;
|
| 954 |
} |
| 955 |
|
| 956 |
/**
|
| 957 |
* gets the predicted intra4x4 prediction mode.
|
| 958 |
*/
|
| 959 |
static inline int pred_intra_mode(H264Context *h, int n){ |
| 960 |
const int index8= scan8[n]; |
| 961 |
const int left= h->intra4x4_pred_mode_cache[index8 - 1]; |
| 962 |
const int top = h->intra4x4_pred_mode_cache[index8 - 8]; |
| 963 |
const int min= FFMIN(left, top); |
| 964 |
|
| 965 |
tprintf("mode:%d %d min:%d\n", left ,top, min);
|
| 966 |
|
| 967 |
if(min<0) return DC_PRED; |
| 968 |
else return min; |
| 969 |
} |
| 970 |
|
| 971 |
static inline void write_back_non_zero_count(H264Context *h){ |
| 972 |
MpegEncContext * const s = &h->s;
|
| 973 |
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride; |
| 974 |
|
| 975 |
h->non_zero_count[mb_xy][0]= h->non_zero_count_cache[7+8*1]; |
| 976 |
h->non_zero_count[mb_xy][1]= h->non_zero_count_cache[7+8*2]; |
| 977 |
h->non_zero_count[mb_xy][2]= h->non_zero_count_cache[7+8*3]; |
| 978 |
h->non_zero_count[mb_xy][3]= h->non_zero_count_cache[7+8*4]; |
| 979 |
h->non_zero_count[mb_xy][4]= h->non_zero_count_cache[4+8*4]; |
| 980 |
h->non_zero_count[mb_xy][5]= h->non_zero_count_cache[5+8*4]; |
| 981 |
h->non_zero_count[mb_xy][6]= h->non_zero_count_cache[6+8*4]; |
| 982 |
|
| 983 |
h->non_zero_count[mb_xy][9]= h->non_zero_count_cache[1+8*2]; |
| 984 |
h->non_zero_count[mb_xy][8]= h->non_zero_count_cache[2+8*2]; |
| 985 |
h->non_zero_count[mb_xy][7]= h->non_zero_count_cache[2+8*1]; |
| 986 |
|
| 987 |
h->non_zero_count[mb_xy][12]=h->non_zero_count_cache[1+8*5]; |
| 988 |
h->non_zero_count[mb_xy][11]=h->non_zero_count_cache[2+8*5]; |
| 989 |
h->non_zero_count[mb_xy][10]=h->non_zero_count_cache[2+8*4]; |
| 990 |
} |
| 991 |
|
| 992 |
/**
|
| 993 |
* gets the predicted number of non zero coefficients.
|
| 994 |
* @param n block index
|
| 995 |
*/
|
| 996 |
static inline int pred_non_zero_count(H264Context *h, int n){ |
| 997 |
const int index8= scan8[n]; |
| 998 |
const int left= h->non_zero_count_cache[index8 - 1]; |
| 999 |
const int top = h->non_zero_count_cache[index8 - 8]; |
| 1000 |
int i= left + top;
|
| 1001 |
|
| 1002 |
if(i<64) i= (i+1)>>1; |
| 1003 |
|
| 1004 |
tprintf("pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31); |
| 1005 |
|
| 1006 |
return i&31; |
| 1007 |
} |
| 1008 |
|
| 1009 |
static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, int list, int part_width){ |
| 1010 |
const int topright_ref= h->ref_cache[list][ i - 8 + part_width ]; |
| 1011 |
|
| 1012 |
if(topright_ref != PART_NOT_AVAILABLE){
|
| 1013 |
*C= h->mv_cache[list][ i - 8 + part_width ];
|
| 1014 |
return topright_ref;
|
| 1015 |
}else{
|
| 1016 |
tprintf("topright MV not available\n");
|
| 1017 |
|
| 1018 |
*C= h->mv_cache[list][ i - 8 - 1 ]; |
| 1019 |
return h->ref_cache[list][ i - 8 - 1 ]; |
| 1020 |
} |
| 1021 |
} |
| 1022 |
|
| 1023 |
/**
|
| 1024 |
* gets the predicted MV.
|
| 1025 |
* @param n the block index
|
| 1026 |
* @param part_width the width of the partition (4, 8,16) -> (1, 2, 4)
|
| 1027 |
* @param mx the x component of the predicted motion vector
|
| 1028 |
* @param my the y component of the predicted motion vector
|
| 1029 |
*/
|
| 1030 |
static inline void pred_motion(H264Context * const h, int n, int part_width, int list, int ref, int * const mx, int * const my){ |
| 1031 |
const int index8= scan8[n]; |
| 1032 |
const int top_ref= h->ref_cache[list][ index8 - 8 ]; |
| 1033 |
const int left_ref= h->ref_cache[list][ index8 - 1 ]; |
| 1034 |
const int16_t * const A= h->mv_cache[list][ index8 - 1 ]; |
| 1035 |
const int16_t * const B= h->mv_cache[list][ index8 - 8 ]; |
| 1036 |
const int16_t * C;
|
| 1037 |
int diagonal_ref, match_count;
|
| 1038 |
|
| 1039 |
assert(part_width==1 || part_width==2 || part_width==4); |
| 1040 |
|
| 1041 |
/* mv_cache
|
| 1042 |
B . . A T T T T
|
| 1043 |
U . . L . . , .
|
| 1044 |
U . . L . . . .
|
| 1045 |
U . . L . . , .
|
| 1046 |
. . . L . . . .
|
| 1047 |
*/
|
| 1048 |
|
| 1049 |
diagonal_ref= fetch_diagonal_mv(h, &C, index8, list, part_width); |
| 1050 |
match_count= (diagonal_ref==ref) + (top_ref==ref) + (left_ref==ref); |
| 1051 |
tprintf("pred_motion match_count=%d\n", match_count);
|
| 1052 |
if(match_count > 1){ //most common |
| 1053 |
*mx= mid_pred(A[0], B[0], C[0]); |
| 1054 |
*my= mid_pred(A[1], B[1], C[1]); |
| 1055 |
}else if(match_count==1){ |
| 1056 |
if(left_ref==ref){
|
| 1057 |
*mx= A[0];
|
| 1058 |
*my= A[1];
|
| 1059 |
}else if(top_ref==ref){ |
| 1060 |
*mx= B[0];
|
| 1061 |
*my= B[1];
|
| 1062 |
}else{
|
| 1063 |
*mx= C[0];
|
| 1064 |
*my= C[1];
|
| 1065 |
} |
| 1066 |
}else{
|
| 1067 |
if(top_ref == PART_NOT_AVAILABLE && diagonal_ref == PART_NOT_AVAILABLE && left_ref != PART_NOT_AVAILABLE){
|
| 1068 |
*mx= A[0];
|
| 1069 |
*my= A[1];
|
| 1070 |
}else{
|
| 1071 |
*mx= mid_pred(A[0], B[0], C[0]); |
| 1072 |
*my= mid_pred(A[1], B[1], C[1]); |
| 1073 |
} |
| 1074 |
} |
| 1075 |
|
| 1076 |
tprintf("pred_motion (%2d %2d %2d) (%2d %2d %2d) (%2d %2d %2d) -> (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], diagonal_ref, C[0], C[1], left_ref, A[0], A[1], ref, *mx, *my, h->s.mb_x, h->s.mb_y, n, list); |
| 1077 |
} |
| 1078 |
|
| 1079 |
/**
|
| 1080 |
* gets the directionally predicted 16x8 MV.
|
| 1081 |
* @param n the block index
|
| 1082 |
* @param mx the x component of the predicted motion vector
|
| 1083 |
* @param my the y component of the predicted motion vector
|
| 1084 |
*/
|
| 1085 |
static inline void pred_16x8_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){ |
| 1086 |
if(n==0){ |
| 1087 |
const int top_ref= h->ref_cache[list][ scan8[0] - 8 ]; |
| 1088 |
const int16_t * const B= h->mv_cache[list][ scan8[0] - 8 ]; |
| 1089 |
|
| 1090 |
tprintf("pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], h->s.mb_x, h->s.mb_y, n, list); |
| 1091 |
|
| 1092 |
if(top_ref == ref){
|
| 1093 |
*mx= B[0];
|
| 1094 |
*my= B[1];
|
| 1095 |
return;
|
| 1096 |
} |
| 1097 |
}else{
|
| 1098 |
const int left_ref= h->ref_cache[list][ scan8[8] - 1 ]; |
| 1099 |
const int16_t * const A= h->mv_cache[list][ scan8[8] - 1 ]; |
| 1100 |
|
| 1101 |
tprintf("pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list); |
| 1102 |
|
| 1103 |
if(left_ref == ref){
|
| 1104 |
*mx= A[0];
|
| 1105 |
*my= A[1];
|
| 1106 |
return;
|
| 1107 |
} |
| 1108 |
} |
| 1109 |
|
| 1110 |
//RARE
|
| 1111 |
pred_motion(h, n, 4, list, ref, mx, my);
|
| 1112 |
} |
| 1113 |
|
| 1114 |
/**
|
| 1115 |
* gets the directionally predicted 8x16 MV.
|
| 1116 |
* @param n the block index
|
| 1117 |
* @param mx the x component of the predicted motion vector
|
| 1118 |
* @param my the y component of the predicted motion vector
|
| 1119 |
*/
|
| 1120 |
static inline void pred_8x16_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){ |
| 1121 |
if(n==0){ |
| 1122 |
const int left_ref= h->ref_cache[list][ scan8[0] - 1 ]; |
| 1123 |
const int16_t * const A= h->mv_cache[list][ scan8[0] - 1 ]; |
| 1124 |
|
| 1125 |
tprintf("pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list); |
| 1126 |
|
| 1127 |
if(left_ref == ref){
|
| 1128 |
*mx= A[0];
|
| 1129 |
*my= A[1];
|
| 1130 |
return;
|
| 1131 |
} |
| 1132 |
}else{
|
| 1133 |
const int16_t * C;
|
| 1134 |
int diagonal_ref;
|
| 1135 |
|
| 1136 |
diagonal_ref= fetch_diagonal_mv(h, &C, scan8[4], list, 2); |
| 1137 |
|
| 1138 |
tprintf("pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", diagonal_ref, C[0], C[1], h->s.mb_x, h->s.mb_y, n, list); |
| 1139 |
|
| 1140 |
if(diagonal_ref == ref){
|
| 1141 |
*mx= C[0];
|
| 1142 |
*my= C[1];
|
| 1143 |
return;
|
| 1144 |
} |
| 1145 |
} |
| 1146 |
|
| 1147 |
//RARE
|
| 1148 |
pred_motion(h, n, 2, list, ref, mx, my);
|
| 1149 |
} |
| 1150 |
|
| 1151 |
static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my){ |
| 1152 |
const int top_ref = h->ref_cache[0][ scan8[0] - 8 ]; |
| 1153 |
const int left_ref= h->ref_cache[0][ scan8[0] - 1 ]; |
| 1154 |
|
| 1155 |
tprintf("pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
|
| 1156 |
|
| 1157 |
if(top_ref == PART_NOT_AVAILABLE || left_ref == PART_NOT_AVAILABLE
|
| 1158 |
|| (top_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 8 ] == 0) |
| 1159 |
|| (left_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 1 ] == 0)){ |
| 1160 |
|
| 1161 |
*mx = *my = 0;
|
| 1162 |
return;
|
| 1163 |
} |
| 1164 |
|
| 1165 |
pred_motion(h, 0, 4, 0, 0, mx, my); |
| 1166 |
|
| 1167 |
return;
|
| 1168 |
} |
| 1169 |
|
| 1170 |
static inline void direct_dist_scale_factor(H264Context * const h){ |
| 1171 |
const int poc = h->s.current_picture_ptr->poc; |
| 1172 |
const int poc1 = h->ref_list[1][0].poc; |
| 1173 |
int i;
|
| 1174 |
for(i=0; i<h->ref_count[0]; i++){ |
| 1175 |
int poc0 = h->ref_list[0][i].poc; |
| 1176 |
int td = clip(poc1 - poc0, -128, 127); |
| 1177 |
if(td == 0 /* FIXME || pic0 is a long-term ref */){ |
| 1178 |
h->dist_scale_factor[i] = 256;
|
| 1179 |
}else{
|
| 1180 |
int tb = clip(poc - poc0, -128, 127); |
| 1181 |
int tx = (16384 + (ABS(td) >> 1)) / td; |
| 1182 |
h->dist_scale_factor[i] = clip((tb*tx + 32) >> 6, -1024, 1023); |
| 1183 |
} |
| 1184 |
} |
| 1185 |
} |
| 1186 |
static inline void direct_ref_list_init(H264Context * const h){ |
| 1187 |
MpegEncContext * const s = &h->s;
|
| 1188 |
Picture * const ref1 = &h->ref_list[1][0]; |
| 1189 |
Picture * const cur = s->current_picture_ptr;
|
| 1190 |
int list, i, j;
|
| 1191 |
if(cur->pict_type == I_TYPE)
|
| 1192 |
cur->ref_count[0] = 0; |
| 1193 |
if(cur->pict_type != B_TYPE)
|
| 1194 |
cur->ref_count[1] = 0; |
| 1195 |
for(list=0; list<2; list++){ |
| 1196 |
cur->ref_count[list] = h->ref_count[list]; |
| 1197 |
for(j=0; j<h->ref_count[list]; j++) |
| 1198 |
cur->ref_poc[list][j] = h->ref_list[list][j].poc; |
| 1199 |
} |
| 1200 |
if(cur->pict_type != B_TYPE || h->direct_spatial_mv_pred)
|
| 1201 |
return;
|
| 1202 |
for(list=0; list<2; list++){ |
| 1203 |
for(i=0; i<ref1->ref_count[list]; i++){ |
| 1204 |
const int poc = ref1->ref_poc[list][i]; |
| 1205 |
h->map_col_to_list0[list][i] = PART_NOT_AVAILABLE; |
| 1206 |
for(j=0; j<h->ref_count[list]; j++) |
| 1207 |
if(h->ref_list[list][j].poc == poc){
|
| 1208 |
h->map_col_to_list0[list][i] = j; |
| 1209 |
break;
|
| 1210 |
} |
| 1211 |
} |
| 1212 |
} |
| 1213 |
} |
| 1214 |
|
| 1215 |
static inline void pred_direct_motion(H264Context * const h, int *mb_type){ |
| 1216 |
MpegEncContext * const s = &h->s;
|
| 1217 |
const int mb_xy = s->mb_x + s->mb_y*s->mb_stride; |
| 1218 |
const int b8_xy = 2*s->mb_x + 2*s->mb_y*h->b8_stride; |
| 1219 |
const int b4_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride; |
| 1220 |
const int mb_type_col = h->ref_list[1][0].mb_type[mb_xy]; |
| 1221 |
const int16_t (*l1mv0)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[0][b4_xy]; |
| 1222 |
const int16_t (*l1mv1)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[1][b4_xy]; |
| 1223 |
const int8_t *l1ref0 = &h->ref_list[1][0].ref_index[0][b8_xy]; |
| 1224 |
const int8_t *l1ref1 = &h->ref_list[1][0].ref_index[1][b8_xy]; |
| 1225 |
const int is_b8x8 = IS_8X8(*mb_type); |
| 1226 |
int sub_mb_type;
|
| 1227 |
int i8, i4;
|
| 1228 |
|
| 1229 |
if(IS_8X8(mb_type_col) && !h->sps.direct_8x8_inference_flag){
|
| 1230 |
/* FIXME save sub mb types from previous frames (or derive from MVs)
|
| 1231 |
* so we know exactly what block size to use */
|
| 1232 |
sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_4x4 */
|
| 1233 |
*mb_type = MB_TYPE_8x8|MB_TYPE_L0L1; |
| 1234 |
}else if(!is_b8x8 && (IS_16X16(mb_type_col) || IS_INTRA(mb_type_col))){ |
| 1235 |
sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
|
| 1236 |
*mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_16x16 */
|
| 1237 |
}else{
|
| 1238 |
sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
|
| 1239 |
*mb_type = MB_TYPE_8x8|MB_TYPE_L0L1; |
| 1240 |
} |
| 1241 |
if(!is_b8x8)
|
| 1242 |
*mb_type |= MB_TYPE_DIRECT2; |
| 1243 |
|
| 1244 |
tprintf("mb_type = %08x, sub_mb_type = %08x, is_b8x8 = %d, mb_type_col = %08x\n", *mb_type, sub_mb_type, is_b8x8, mb_type_col);
|
| 1245 |
|
| 1246 |
if(h->direct_spatial_mv_pred){
|
| 1247 |
int ref[2]; |
| 1248 |
int mv[2][2]; |
| 1249 |
int list;
|
| 1250 |
|
| 1251 |
/* ref = min(neighbors) */
|
| 1252 |
for(list=0; list<2; list++){ |
| 1253 |
int refa = h->ref_cache[list][scan8[0] - 1]; |
| 1254 |
int refb = h->ref_cache[list][scan8[0] - 8]; |
| 1255 |
int refc = h->ref_cache[list][scan8[0] - 8 + 4]; |
| 1256 |
if(refc == -2) |
| 1257 |
refc = h->ref_cache[list][scan8[0] - 8 - 1]; |
| 1258 |
ref[list] = refa; |
| 1259 |
if(ref[list] < 0 || (refb < ref[list] && refb >= 0)) |
| 1260 |
ref[list] = refb; |
| 1261 |
if(ref[list] < 0 || (refc < ref[list] && refc >= 0)) |
| 1262 |
ref[list] = refc; |
| 1263 |
if(ref[list] < 0) |
| 1264 |
ref[list] = -1;
|
| 1265 |
} |
| 1266 |
|
| 1267 |
if(ref[0] < 0 && ref[1] < 0){ |
| 1268 |
ref[0] = ref[1] = 0; |
| 1269 |
mv[0][0] = mv[0][1] = |
| 1270 |
mv[1][0] = mv[1][1] = 0; |
| 1271 |
}else{
|
| 1272 |
for(list=0; list<2; list++){ |
| 1273 |
if(ref[list] >= 0) |
| 1274 |
pred_motion(h, 0, 4, list, ref[list], &mv[list][0], &mv[list][1]); |
| 1275 |
else
|
| 1276 |
mv[list][0] = mv[list][1] = 0; |
| 1277 |
} |
| 1278 |
} |
| 1279 |
|
| 1280 |
if(ref[1] < 0){ |
| 1281 |
*mb_type &= ~MB_TYPE_P0L1; |
| 1282 |
sub_mb_type &= ~MB_TYPE_P0L1; |
| 1283 |
}else if(ref[0] < 0){ |
| 1284 |
*mb_type &= ~MB_TYPE_P0L0; |
| 1285 |
sub_mb_type &= ~MB_TYPE_P0L0; |
| 1286 |
} |
| 1287 |
|
| 1288 |
if(IS_16X16(*mb_type)){
|
| 1289 |
fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1); |
| 1290 |
fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1); |
| 1291 |
if(!IS_INTRA(mb_type_col)
|
| 1292 |
&& ( (l1ref0[0] == 0 && ABS(l1mv0[0][0]) <= 1 && ABS(l1mv0[0][1]) <= 1) |
| 1293 |
|| (l1ref0[0] < 0 && l1ref1[0] == 0 && ABS(l1mv1[0][0]) <= 1 && ABS(l1mv1[0][1]) <= 1 |
| 1294 |
&& (h->x264_build>33 || !h->x264_build)))){
|
| 1295 |
if(ref[0] > 0) |
| 1296 |
fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv[0][0],mv[0][1]), 4); |
| 1297 |
else
|
| 1298 |
fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4); |
| 1299 |
if(ref[1] > 0) |
| 1300 |
fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv[1][0],mv[1][1]), 4); |
| 1301 |
else
|
| 1302 |
fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, 0, 4); |
| 1303 |
}else{
|
| 1304 |
fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv[0][0],mv[0][1]), 4); |
| 1305 |
fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv[1][0],mv[1][1]), 4); |
| 1306 |
} |
| 1307 |
}else{
|
| 1308 |
for(i8=0; i8<4; i8++){ |
| 1309 |
const int x8 = i8&1; |
| 1310 |
const int y8 = i8>>1; |
| 1311 |
|
| 1312 |
if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
|
| 1313 |
continue;
|
| 1314 |
h->sub_mb_type[i8] = sub_mb_type; |
| 1315 |
|
| 1316 |
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mv[0][0],mv[0][1]), 4); |
| 1317 |
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mv[1][0],mv[1][1]), 4); |
| 1318 |
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1); |
| 1319 |
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1); |
| 1320 |
|
| 1321 |
/* col_zero_flag */
|
| 1322 |
if(!IS_INTRA(mb_type_col) && ( l1ref0[x8 + y8*h->b8_stride] == 0 |
| 1323 |
|| (l1ref0[x8 + y8*h->b8_stride] < 0 && l1ref1[x8 + y8*h->b8_stride] == 0 |
| 1324 |
&& (h->x264_build>33 || !h->x264_build)))){
|
| 1325 |
const int16_t (*l1mv)[2]= l1ref0[x8 + y8*h->b8_stride] == 0 ? l1mv0 : l1mv1; |
| 1326 |
if(IS_SUB_8X8(sub_mb_type)){
|
| 1327 |
const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride]; |
| 1328 |
if(ABS(mv_col[0]) <= 1 && ABS(mv_col[1]) <= 1){ |
| 1329 |
if(ref[0] == 0) |
| 1330 |
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4); |
| 1331 |
if(ref[1] == 0) |
| 1332 |
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4); |
| 1333 |
} |
| 1334 |
}else
|
| 1335 |
for(i4=0; i4<4; i4++){ |
| 1336 |
const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride]; |
| 1337 |
if(ABS(mv_col[0]) <= 1 && ABS(mv_col[1]) <= 1){ |
| 1338 |
if(ref[0] == 0) |
| 1339 |
*(uint32_t*)h->mv_cache[0][scan8[i8*4+i4]] = 0; |
| 1340 |
if(ref[1] == 0) |
| 1341 |
*(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = 0; |
| 1342 |
} |
| 1343 |
} |
| 1344 |
} |
| 1345 |
} |
| 1346 |
} |
| 1347 |
}else{ /* direct temporal mv pred */ |
| 1348 |
if(IS_16X16(*mb_type)){
|
| 1349 |
fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1); |
| 1350 |
if(IS_INTRA(mb_type_col)){
|
| 1351 |
fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1); |
| 1352 |
fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, 0, 4); |
| 1353 |
fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, 0, 4); |
| 1354 |
}else{
|
| 1355 |
const int ref0 = l1ref0[0] >= 0 ? h->map_col_to_list0[0][l1ref0[0]] |
| 1356 |
: h->map_col_to_list0[1][l1ref1[0]]; |
| 1357 |
const int dist_scale_factor = h->dist_scale_factor[ref0]; |
| 1358 |
const int16_t *mv_col = l1ref0[0] >= 0 ? l1mv0[0] : l1mv1[0]; |
| 1359 |
int mv_l0[2]; |
| 1360 |
mv_l0[0] = (dist_scale_factor * mv_col[0] + 128) >> 8; |
| 1361 |
mv_l0[1] = (dist_scale_factor * mv_col[1] + 128) >> 8; |
| 1362 |
fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref0, 1); |
| 1363 |
fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv_l0[0],mv_l0[1]), 4); |
| 1364 |
fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]), 4); |
| 1365 |
} |
| 1366 |
}else{
|
| 1367 |
for(i8=0; i8<4; i8++){ |
| 1368 |
const int x8 = i8&1; |
| 1369 |
const int y8 = i8>>1; |
| 1370 |
int ref0, dist_scale_factor;
|
| 1371 |
const int16_t (*l1mv)[2]= l1mv0; |
| 1372 |
|
| 1373 |
if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
|
| 1374 |
continue;
|
| 1375 |
h->sub_mb_type[i8] = sub_mb_type; |
| 1376 |
if(IS_INTRA(mb_type_col)){
|
| 1377 |
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1); |
| 1378 |
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1); |
| 1379 |
fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4); |
| 1380 |
fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4); |
| 1381 |
continue;
|
| 1382 |
} |
| 1383 |
|
| 1384 |
ref0 = l1ref0[x8 + y8*h->b8_stride]; |
| 1385 |
if(ref0 >= 0) |
| 1386 |
ref0 = h->map_col_to_list0[0][ref0];
|
| 1387 |
else{
|
| 1388 |
ref0 = h->map_col_to_list0[1][l1ref1[x8 + y8*h->b8_stride]];
|
| 1389 |
l1mv= l1mv1; |
| 1390 |
} |
| 1391 |
dist_scale_factor = h->dist_scale_factor[ref0]; |
| 1392 |
|
| 1393 |
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1); |
| 1394 |
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1); |
| 1395 |
if(IS_SUB_8X8(sub_mb_type)){
|
| 1396 |
const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride]; |
| 1397 |
int mx = (dist_scale_factor * mv_col[0] + 128) >> 8; |
| 1398 |
int my = (dist_scale_factor * mv_col[1] + 128) >> 8; |
| 1399 |
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4); |
| 1400 |
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-mv_col[1]), 4); |
| 1401 |
}else
|
| 1402 |
for(i4=0; i4<4; i4++){ |
| 1403 |
const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride]; |
| 1404 |
int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]]; |
| 1405 |
mv_l0[0] = (dist_scale_factor * mv_col[0] + 128) >> 8; |
| 1406 |
mv_l0[1] = (dist_scale_factor * mv_col[1] + 128) >> 8; |
| 1407 |
*(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = |
| 1408 |
pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]); |
| 1409 |
} |
| 1410 |
} |
| 1411 |
} |
| 1412 |
} |
| 1413 |
} |
| 1414 |
|
| 1415 |
static inline void write_back_motion(H264Context *h, int mb_type){ |
| 1416 |
MpegEncContext * const s = &h->s;
|
| 1417 |
const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride; |
| 1418 |
const int b8_xy= 2*s->mb_x + 2*s->mb_y*h->b8_stride; |
| 1419 |
int list;
|
| 1420 |
|
| 1421 |
for(list=0; list<2; list++){ |
| 1422 |
int y;
|
| 1423 |
if(!USES_LIST(mb_type, list)){
|
| 1424 |
if(1){ //FIXME skip or never read if mb_type doesn't use it |
| 1425 |
for(y=0; y<4; y++){ |
| 1426 |
*(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]=
|
| 1427 |
*(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= 0; |
| 1428 |
} |
| 1429 |
if( h->pps.cabac ) {
|
| 1430 |
/* FIXME needed ? */
|
| 1431 |
for(y=0; y<4; y++){ |
| 1432 |
*(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]=
|
| 1433 |
*(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= 0; |
| 1434 |
} |
| 1435 |
} |
| 1436 |
for(y=0; y<2; y++){ |
| 1437 |
s->current_picture.ref_index[list][b8_xy + 0 + y*h->b8_stride]=
|
| 1438 |
s->current_picture.ref_index[list][b8_xy + 1 + y*h->b8_stride]= LIST_NOT_USED;
|
| 1439 |
} |
| 1440 |
} |
| 1441 |
continue;
|
| 1442 |
} |
| 1443 |
|
| 1444 |
for(y=0; y<4; y++){ |
| 1445 |
*(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+0 + 8*y]; |
| 1446 |
*(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+2 + 8*y]; |
| 1447 |
} |
| 1448 |
if( h->pps.cabac ) {
|
| 1449 |
for(y=0; y<4; y++){ |
| 1450 |
*(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+0 + 8*y]; |
| 1451 |
*(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+2 + 8*y]; |
| 1452 |
} |
| 1453 |
} |
| 1454 |
for(y=0; y<2; y++){ |
| 1455 |
s->current_picture.ref_index[list][b8_xy + 0 + y*h->b8_stride]= h->ref_cache[list][scan8[0]+0 + 16*y]; |
| 1456 |
s->current_picture.ref_index[list][b8_xy + 1 + y*h->b8_stride]= h->ref_cache[list][scan8[0]+2 + 16*y]; |
| 1457 |
} |
| 1458 |
} |
| 1459 |
|
| 1460 |
if(h->slice_type == B_TYPE && h->pps.cabac){
|
| 1461 |
if(IS_8X8(mb_type)){
|
| 1462 |
h->direct_table[b8_xy+1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0; |
| 1463 |
h->direct_table[b8_xy+0+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[2]) ? 1 : 0; |
| 1464 |
h->direct_table[b8_xy+1+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[3]) ? 1 : 0; |
| 1465 |
} |
| 1466 |
} |
| 1467 |
} |
| 1468 |
|
| 1469 |
/**
|
| 1470 |
* Decodes a network abstraction layer unit.
|
| 1471 |
* @param consumed is the number of bytes used as input
|
| 1472 |
* @param length is the length of the array
|
| 1473 |
* @param dst_length is the number of decoded bytes FIXME here or a decode rbsp tailing?
|
| 1474 |
* @returns decoded bytes, might be src+1 if no escapes
|
| 1475 |
*/
|
| 1476 |
static uint8_t *decode_nal(H264Context *h, uint8_t *src, int *dst_length, int *consumed, int length){ |
| 1477 |
int i, si, di;
|
| 1478 |
uint8_t *dst; |
| 1479 |
|
| 1480 |
// src[0]&0x80; //forbidden bit
|
| 1481 |
h->nal_ref_idc= src[0]>>5; |
| 1482 |
h->nal_unit_type= src[0]&0x1F; |
| 1483 |
|
| 1484 |
src++; length--; |
| 1485 |
#if 0
|
| 1486 |
for(i=0; i<length; i++)
|
| 1487 |
printf("%2X ", src[i]);
|
| 1488 |
#endif
|
| 1489 |
for(i=0; i+1<length; i+=2){ |
| 1490 |
if(src[i]) continue; |
| 1491 |
if(i>0 && src[i-1]==0) i--; |
| 1492 |
if(i+2<length && src[i+1]==0 && src[i+2]<=3){ |
| 1493 |
if(src[i+2]!=3){ |
| 1494 |
/* startcode, so we must be past the end */
|
| 1495 |
length=i; |
| 1496 |
} |
| 1497 |
break;
|
| 1498 |
} |
| 1499 |
} |
| 1500 |
|
| 1501 |
if(i>=length-1){ //no escaped 0 |
| 1502 |
*dst_length= length; |
| 1503 |
*consumed= length+1; //+1 for the header |
| 1504 |
return src;
|
| 1505 |
} |
| 1506 |
|
| 1507 |
h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length); |
| 1508 |
dst= h->rbsp_buffer; |
| 1509 |
|
| 1510 |
//printf("decoding esc\n");
|
| 1511 |
si=di=0;
|
| 1512 |
while(si<length){
|
| 1513 |
//remove escapes (very rare 1:2^22)
|
| 1514 |
if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){ |
| 1515 |
if(src[si+2]==3){ //escape |
| 1516 |
dst[di++]= 0;
|
| 1517 |
dst[di++]= 0;
|
| 1518 |
si+=3;
|
| 1519 |
continue;
|
| 1520 |
}else //next start code |
| 1521 |
break;
|
| 1522 |
} |
| 1523 |
|
| 1524 |
dst[di++]= src[si++]; |
| 1525 |
} |
| 1526 |
|
| 1527 |
*dst_length= di; |
| 1528 |
*consumed= si + 1;//+1 for the header |
| 1529 |
//FIXME store exact number of bits in the getbitcontext (its needed for decoding)
|
| 1530 |
return dst;
|
| 1531 |
} |
| 1532 |
|
| 1533 |
#if 0
|
| 1534 |
/**
|
| 1535 |
* @param src the data which should be escaped
|
| 1536 |
* @param dst the target buffer, dst+1 == src is allowed as a special case
|
| 1537 |
* @param length the length of the src data
|
| 1538 |
* @param dst_length the length of the dst array
|
| 1539 |
* @returns length of escaped data in bytes or -1 if an error occured
|
| 1540 |
*/
|
| 1541 |
static int encode_nal(H264Context *h, uint8_t *dst, uint8_t *src, int length, int dst_length){
|
| 1542 |
int i, escape_count, si, di;
|
| 1543 |
uint8_t *temp;
|
| 1544 |
|
| 1545 |
assert(length>=0);
|
| 1546 |
assert(dst_length>0);
|
| 1547 |
|
| 1548 |
dst[0]= (h->nal_ref_idc<<5) + h->nal_unit_type;
|
| 1549 |
|
| 1550 |
if(length==0) return 1;
|
| 1551 |
|
| 1552 |
escape_count= 0;
|
| 1553 |
for(i=0; i<length; i+=2){
|
| 1554 |
if(src[i]) continue;
|
| 1555 |
if(i>0 && src[i-1]==0)
|
| 1556 |
i--;
|
| 1557 |
if(i+2<length && src[i+1]==0 && src[i+2]<=3){
|
| 1558 |
escape_count++;
|
| 1559 |
i+=2;
|
| 1560 |
}
|
| 1561 |
}
|
| 1562 |
|
| 1563 |
if(escape_count==0){
|
| 1564 |
if(dst+1 != src)
|
| 1565 |
memcpy(dst+1, src, length);
|
| 1566 |
return length + 1;
|
| 1567 |
}
|
| 1568 |
|
| 1569 |
if(length + escape_count + 1> dst_length)
|
| 1570 |
return -1;
|
| 1571 |
|
| 1572 |
//this should be damn rare (hopefully)
|
| 1573 |
|
| 1574 |
h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length + escape_count);
|
| 1575 |
temp= h->rbsp_buffer;
|
| 1576 |
//printf("encoding esc\n");
|
| 1577 |
|
| 1578 |
si= 0;
|
| 1579 |
di= 0;
|
| 1580 |
while(si < length){
|
| 1581 |
if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
|
| 1582 |
temp[di++]= 0; si++;
|
| 1583 |
temp[di++]= 0; si++;
|
| 1584 |
temp[di++]= 3;
|
| 1585 |
temp[di++]= src[si++];
|
| 1586 |
}
|
| 1587 |
else
|
| 1588 |
temp[di++]= src[si++];
|
| 1589 |
}
|
| 1590 |
memcpy(dst+1, temp, length+escape_count);
|
| 1591 |
|
| 1592 |
assert(di == length+escape_count);
|
| 1593 |
|
| 1594 |
return di + 1;
|
| 1595 |
}
|
| 1596 |
|
| 1597 |
/**
|
| 1598 |
* write 1,10,100,1000,... for alignment, yes its exactly inverse to mpeg4
|
| 1599 |
*/
|
| 1600 |
static void encode_rbsp_trailing(PutBitContext *pb){
|
| 1601 |
int length;
|
| 1602 |
put_bits(pb, 1, 1);
|
| 1603 |
length= (-put_bits_count(pb))&7;
|
| 1604 |
if(length) put_bits(pb, length, 0);
|
| 1605 |
}
|
| 1606 |
#endif
|
| 1607 |
|
| 1608 |
/**
|
| 1609 |
* identifies the exact end of the bitstream
|
| 1610 |
* @return the length of the trailing, or 0 if damaged
|
| 1611 |
*/
|
| 1612 |
static int decode_rbsp_trailing(uint8_t *src){ |
| 1613 |
int v= *src;
|
| 1614 |
int r;
|
| 1615 |
|
| 1616 |
tprintf("rbsp trailing %X\n", v);
|
| 1617 |
|
| 1618 |
for(r=1; r<9; r++){ |
| 1619 |
if(v&1) return r; |
| 1620 |
v>>=1;
|
| 1621 |
} |
| 1622 |
return 0; |
| 1623 |
} |
| 1624 |
|
| 1625 |
/**
|
| 1626 |
* idct tranforms the 16 dc values and dequantize them.
|
| 1627 |
* @param qp quantization parameter
|
| 1628 |
*/
|
| 1629 |
static void h264_luma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){ |
| 1630 |
#define stride 16 |
| 1631 |
int i;
|
| 1632 |
int temp[16]; //FIXME check if this is a good idea |
| 1633 |
static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride}; |
| 1634 |
static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride}; |
| 1635 |
|
| 1636 |
//memset(block, 64, 2*256);
|
| 1637 |
//return;
|
| 1638 |
for(i=0; i<4; i++){ |
| 1639 |
const int offset= y_offset[i]; |
| 1640 |
const int z0= block[offset+stride*0] + block[offset+stride*4]; |
| 1641 |
const int z1= block[offset+stride*0] - block[offset+stride*4]; |
| 1642 |
const int z2= block[offset+stride*1] - block[offset+stride*5]; |
| 1643 |
const int z3= block[offset+stride*1] + block[offset+stride*5]; |
| 1644 |
|
| 1645 |
temp[4*i+0]= z0+z3; |
| 1646 |
temp[4*i+1]= z1+z2; |
| 1647 |
temp[4*i+2]= z1-z2; |
| 1648 |
temp[4*i+3]= z0-z3; |
| 1649 |
} |
| 1650 |
|
| 1651 |
for(i=0; i<4; i++){ |
| 1652 |
const int offset= x_offset[i]; |
| 1653 |
const int z0= temp[4*0+i] + temp[4*2+i]; |
| 1654 |
const int z1= temp[4*0+i] - temp[4*2+i]; |
| 1655 |
const int z2= temp[4*1+i] - temp[4*3+i]; |
| 1656 |
const int z3= temp[4*1+i] + temp[4*3+i]; |
| 1657 |
|
| 1658 |
block[stride*0 +offset]= ((((z0 + z3)*qmul + 128 ) >> 8)); //FIXME think about merging this into decode_resdual |
| 1659 |
block[stride*2 +offset]= ((((z1 + z2)*qmul + 128 ) >> 8)); |
| 1660 |
block[stride*8 +offset]= ((((z1 - z2)*qmul + 128 ) >> 8)); |
| 1661 |
block[stride*10+offset]= ((((z0 - z3)*qmul + 128 ) >> 8)); |
| 1662 |
} |
| 1663 |
} |
| 1664 |
|
| 1665 |
#if 0
|
| 1666 |
/**
|
| 1667 |
* dct tranforms the 16 dc values.
|
| 1668 |
* @param qp quantization parameter ??? FIXME
|
| 1669 |
*/
|
| 1670 |
static void h264_luma_dc_dct_c(DCTELEM *block/*, int qp*/){
|
| 1671 |
// const int qmul= dequant_coeff[qp][0];
|
| 1672 |
int i;
|
| 1673 |
int temp[16]; //FIXME check if this is a good idea
|
| 1674 |
static const int x_offset[4]={0, 1*stride, 4* stride, 5*stride};
|
| 1675 |
static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
|
| 1676 |
|
| 1677 |
for(i=0; i<4; i++){
|
| 1678 |
const int offset= y_offset[i];
|
| 1679 |
const int z0= block[offset+stride*0] + block[offset+stride*4];
|
| 1680 |
const int z1= block[offset+stride*0] - block[offset+stride*4];
|
| 1681 |
const int z2= block[offset+stride*1] - block[offset+stride*5];
|
| 1682 |
const int z3= block[offset+stride*1] + block[offset+stride*5];
|
| 1683 |
|
| 1684 |
temp[4*i+0]= z0+z3;
|
| 1685 |
temp[4*i+1]= z1+z2;
|
| 1686 |
temp[4*i+2]= z1-z2;
|
| 1687 |
temp[4*i+3]= z0-z3;
|
| 1688 |
}
|
| 1689 |
|
| 1690 |
for(i=0; i<4; i++){
|
| 1691 |
const int offset= x_offset[i];
|
| 1692 |
const int z0= temp[4*0+i] + temp[4*2+i];
|
| 1693 |
const int z1= temp[4*0+i] - temp[4*2+i];
|
| 1694 |
const int z2= temp[4*1+i] - temp[4*3+i];
|
| 1695 |
const int z3= temp[4*1+i] + temp[4*3+i];
|
| 1696 |
|
| 1697 |
block[stride*0 +offset]= (z0 + z3)>>1;
|
| 1698 |
block[stride*2 +offset]= (z1 + z2)>>1;
|
| 1699 |
block[stride*8 +offset]= (z1 - z2)>>1;
|
| 1700 |
block[stride*10+offset]= (z0 - z3)>>1;
|
| 1701 |
}
|
| 1702 |
}
|
| 1703 |
#endif
|
| 1704 |
|
| 1705 |
#undef xStride
|
| 1706 |
#undef stride
|
| 1707 |
|
| 1708 |
static void chroma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){ |
| 1709 |
const int stride= 16*2; |
| 1710 |
const int xStride= 16; |
| 1711 |
int a,b,c,d,e;
|
| 1712 |
|
| 1713 |
a= block[stride*0 + xStride*0]; |
| 1714 |
b= block[stride*0 + xStride*1]; |
| 1715 |
c= block[stride*1 + xStride*0]; |
| 1716 |
d= block[stride*1 + xStride*1]; |
| 1717 |
|
| 1718 |
e= a-b; |
| 1719 |
a= a+b; |
| 1720 |
b= c-d; |
| 1721 |
c= c+d; |
| 1722 |
|
| 1723 |
block[stride*0 + xStride*0]= ((a+c)*qmul) >> 7; |
| 1724 |
block[stride*0 + xStride*1]= ((e+b)*qmul) >> 7; |
| 1725 |
block[stride*1 + xStride*0]= ((a-c)*qmul) >> 7; |
| 1726 |
block[stride*1 + xStride*1]= ((e-b)*qmul) >> 7; |
| 1727 |
} |
| 1728 |
|
| 1729 |
#if 0
|
| 1730 |
static void chroma_dc_dct_c(DCTELEM *block){
|
| 1731 |
const int stride= 16*2;
|
| 1732 |
const int xStride= 16;
|
| 1733 |
int a,b,c,d,e;
|
| 1734 |
|
| 1735 |
a= block[stride*0 + xStride*0];
|
| 1736 |
b= block[stride*0 + xStride*1];
|
| 1737 |
c= block[stride*1 + xStride*0];
|
| 1738 |
d= block[stride*1 + xStride*1];
|
| 1739 |
|
| 1740 |
e= a-b;
|
| 1741 |
a= a+b;
|
| 1742 |
b= c-d;
|
| 1743 |
c= c+d;
|
| 1744 |
|
| 1745 |
block[stride*0 + xStride*0]= (a+c);
|
| 1746 |
block[stride*0 + xStride*1]= (e+b);
|
| 1747 |
block[stride*1 + xStride*0]= (a-c);
|
| 1748 |
block[stride*1 + xStride*1]= (e-b);
|
| 1749 |
}
|
| 1750 |
#endif
|
| 1751 |
|
| 1752 |
/**
|
| 1753 |
* gets the chroma qp.
|
| 1754 |
*/
|
| 1755 |
static inline int get_chroma_qp(int chroma_qp_index_offset, int qscale){ |
| 1756 |
|
| 1757 |
return chroma_qp[clip(qscale + chroma_qp_index_offset, 0, 51)]; |
| 1758 |
} |
| 1759 |
|
| 1760 |
|
| 1761 |
#if 0
|
| 1762 |
static void h264_diff_dct_c(DCTELEM *block, uint8_t *src1, uint8_t *src2, int stride){
|
| 1763 |
int i;
|
| 1764 |
//FIXME try int temp instead of block
|
| 1765 |
|
| 1766 |
for(i=0; i<4; i++){
|
| 1767 |
const int d0= src1[0 + i*stride] - src2[0 + i*stride];
|
| 1768 |
const int d1= src1[1 + i*stride] - src2[1 + i*stride];
|
| 1769 |
const int d2= src1[2 + i*stride] - src2[2 + i*stride];
|
| 1770 |
const int d3= src1[3 + i*stride] - src2[3 + i*stride];
|
| 1771 |
const int z0= d0 + d3;
|
| 1772 |
const int z3= d0 - d3;
|
| 1773 |
const int z1= d1 + d2;
|
| 1774 |
const int z2= d1 - d2;
|
| 1775 |
|
| 1776 |
block[0 + 4*i]= z0 + z1;
|
| 1777 |
block[1 + 4*i]= 2*z3 + z2;
|
| 1778 |
block[2 + 4*i]= z0 - z1;
|
| 1779 |
block[3 + 4*i]= z3 - 2*z2;
|
| 1780 |
}
|
| 1781 |
|
| 1782 |
for(i=0; i<4; i++){
|
| 1783 |
const int z0= block[0*4 + i] + block[3*4 + i];
|
| 1784 |
const int z3= block[0*4 + i] - block[3*4 + i];
|
| 1785 |
const int z1= block[1*4 + i] + block[2*4 + i];
|
| 1786 |
const int z2= block[1*4 + i] - block[2*4 + i];
|
| 1787 |
|
| 1788 |
block[0*4 + i]= z0 + z1;
|
| 1789 |
block[1*4 + i]= 2*z3 + z2;
|
| 1790 |
block[2*4 + i]= z0 - z1;
|
| 1791 |
block[3*4 + i]= z3 - 2*z2;
|
| 1792 |
}
|
| 1793 |
}
|
| 1794 |
#endif
|
| 1795 |
|
| 1796 |
//FIXME need to check that this doesnt overflow signed 32 bit for low qp, i am not sure, it's very close
|
| 1797 |
//FIXME check that gcc inlines this (and optimizes intra & seperate_dc stuff away)
|
| 1798 |
static inline int quantize_c(DCTELEM *block, uint8_t *scantable, int qscale, int intra, int seperate_dc){ |
| 1799 |
int i;
|
| 1800 |
const int * const quant_table= quant_coeff[qscale]; |
| 1801 |
const int bias= intra ? (1<<QUANT_SHIFT)/3 : (1<<QUANT_SHIFT)/6; |
| 1802 |
const unsigned int threshold1= (1<<QUANT_SHIFT) - bias - 1; |
| 1803 |
const unsigned int threshold2= (threshold1<<1); |
| 1804 |
int last_non_zero;
|
| 1805 |
|
| 1806 |
if(seperate_dc){
|
| 1807 |
if(qscale<=18){ |
| 1808 |
//avoid overflows
|
| 1809 |
const int dc_bias= intra ? (1<<(QUANT_SHIFT-2))/3 : (1<<(QUANT_SHIFT-2))/6; |
| 1810 |
const unsigned int dc_threshold1= (1<<(QUANT_SHIFT-2)) - dc_bias - 1; |
| 1811 |
const unsigned int dc_threshold2= (dc_threshold1<<1); |
| 1812 |
|
| 1813 |
int level= block[0]*quant_coeff[qscale+18][0]; |
| 1814 |
if(((unsigned)(level+dc_threshold1))>dc_threshold2){ |
| 1815 |
if(level>0){ |
| 1816 |
level= (dc_bias + level)>>(QUANT_SHIFT-2);
|
| 1817 |
block[0]= level;
|
| 1818 |
}else{
|
| 1819 |
level= (dc_bias - level)>>(QUANT_SHIFT-2);
|
| 1820 |
block[0]= -level;
|
| 1821 |
} |
| 1822 |
// last_non_zero = i;
|
| 1823 |
}else{
|
| 1824 |
block[0]=0; |
| 1825 |
} |
| 1826 |
}else{
|
| 1827 |
const int dc_bias= intra ? (1<<(QUANT_SHIFT+1))/3 : (1<<(QUANT_SHIFT+1))/6; |
| 1828 |
const unsigned int dc_threshold1= (1<<(QUANT_SHIFT+1)) - dc_bias - 1; |
| 1829 |
const unsigned int dc_threshold2= (dc_threshold1<<1); |
| 1830 |
|
| 1831 |
int level= block[0]*quant_table[0]; |
| 1832 |
if(((unsigned)(level+dc_threshold1))>dc_threshold2){ |
| 1833 |
if(level>0){ |
| 1834 |
level= (dc_bias + level)>>(QUANT_SHIFT+1);
|
| 1835 |
block[0]= level;
|
| 1836 |
}else{
|
| 1837 |
level= (dc_bias - level)>>(QUANT_SHIFT+1);
|
| 1838 |
block[0]= -level;
|
| 1839 |
} |
| 1840 |
// last_non_zero = i;
|
| 1841 |
}else{
|
| 1842 |
block[0]=0; |
| 1843 |
} |
| 1844 |
} |
| 1845 |
last_non_zero= 0;
|
| 1846 |
i=1;
|
| 1847 |
}else{
|
| 1848 |
last_non_zero= -1;
|
| 1849 |
i=0;
|
| 1850 |
} |
| 1851 |
|
| 1852 |
for(; i<16; i++){ |
| 1853 |
const int j= scantable[i]; |
| 1854 |
int level= block[j]*quant_table[j];
|
| 1855 |
|
| 1856 |
// if( bias+level >= (1<<(QMAT_SHIFT - 3))
|
| 1857 |
// || bias-level >= (1<<(QMAT_SHIFT - 3))){
|
| 1858 |
if(((unsigned)(level+threshold1))>threshold2){ |
| 1859 |
if(level>0){ |
| 1860 |
level= (bias + level)>>QUANT_SHIFT; |
| 1861 |
block[j]= level; |
| 1862 |
}else{
|
| 1863 |
level= (bias - level)>>QUANT_SHIFT; |
| 1864 |
block[j]= -level; |
| 1865 |
} |
| 1866 |
last_non_zero = i; |
| 1867 |
}else{
|
| 1868 |
block[j]=0;
|
| 1869 |
} |
| 1870 |
} |
| 1871 |
|
| 1872 |
return last_non_zero;
|
| 1873 |
} |
| 1874 |
|
| 1875 |
static void pred4x4_vertical_c(uint8_t *src, uint8_t *topright, int stride){ |
| 1876 |
const uint32_t a= ((uint32_t*)(src-stride))[0]; |
| 1877 |
((uint32_t*)(src+0*stride))[0]= a; |
| 1878 |
((uint32_t*)(src+1*stride))[0]= a; |
| 1879 |
((uint32_t*)(src+2*stride))[0]= a; |
| 1880 |
((uint32_t*)(src+3*stride))[0]= a; |
| 1881 |
} |
| 1882 |
|
| 1883 |
static void pred4x4_horizontal_c(uint8_t *src, uint8_t *topright, int stride){ |
| 1884 |
((uint32_t*)(src+0*stride))[0]= src[-1+0*stride]*0x01010101; |
| 1885 |
((uint32_t*)(src+1*stride))[0]= src[-1+1*stride]*0x01010101; |
| 1886 |
((uint32_t*)(src+2*stride))[0]= src[-1+2*stride]*0x01010101; |
| 1887 |
((uint32_t*)(src+3*stride))[0]= src[-1+3*stride]*0x01010101; |
| 1888 |
} |
| 1889 |
|
| 1890 |
static void pred4x4_dc_c(uint8_t *src, uint8_t *topright, int stride){ |
| 1891 |
const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] |
| 1892 |
+ src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 4) >>3; |
| 1893 |
|
| 1894 |
((uint32_t*)(src+0*stride))[0]= |
| 1895 |
((uint32_t*)(src+1*stride))[0]= |
| 1896 |
((uint32_t*)(src+2*stride))[0]= |
| 1897 |
((uint32_t*)(src+3*stride))[0]= dc* 0x01010101; |
| 1898 |
} |
| 1899 |
|
| 1900 |
static void pred4x4_left_dc_c(uint8_t *src, uint8_t *topright, int stride){ |
| 1901 |
const int dc= ( src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 2) >>2; |
| 1902 |
|
| 1903 |
((uint32_t*)(src+0*stride))[0]= |
| 1904 |
((uint32_t*)(src+1*stride))[0]= |
| 1905 |
((uint32_t*)(src+2*stride))[0]= |
| 1906 |
((uint32_t*)(src+3*stride))[0]= dc* 0x01010101; |
| 1907 |
} |
| 1908 |
|
| 1909 |
static void pred4x4_top_dc_c(uint8_t *src, uint8_t *topright, int stride){ |
| 1910 |
const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] + 2) >>2; |
| 1911 |
|
| 1912 |
((uint32_t*)(src+0*stride))[0]= |
| 1913 |
((uint32_t*)(src+1*stride))[0]= |
| 1914 |
((uint32_t*)(src+2*stride))[0]= |
| 1915 |
((uint32_t*)(src+3*stride))[0]= dc* 0x01010101; |
| 1916 |
} |
| 1917 |
|
| 1918 |
static void pred4x4_128_dc_c(uint8_t *src, uint8_t *topright, int stride){ |
| 1919 |
((uint32_t*)(src+0*stride))[0]= |
| 1920 |
((uint32_t*)(src+1*stride))[0]= |
| 1921 |
((uint32_t*)(src+2*stride))[0]= |
| 1922 |
((uint32_t*)(src+3*stride))[0]= 128U*0x01010101U; |
| 1923 |
} |
| 1924 |
|
| 1925 |
|
| 1926 |
#define LOAD_TOP_RIGHT_EDGE\
|
| 1927 |
const int t4= topright[0];\ |
| 1928 |
const int t5= topright[1];\ |
| 1929 |
const int t6= topright[2];\ |
| 1930 |
const int t7= topright[3];\ |
| 1931 |
|
| 1932 |
#define LOAD_LEFT_EDGE\
|
| 1933 |
const int l0= src[-1+0*stride];\ |
| 1934 |
const int l1= src[-1+1*stride];\ |
| 1935 |
const int l2= src[-1+2*stride];\ |
| 1936 |
const int l3= src[-1+3*stride];\ |
| 1937 |
|
| 1938 |
#define LOAD_TOP_EDGE\
|
| 1939 |
const int t0= src[ 0-1*stride];\ |
| 1940 |
const int t1= src[ 1-1*stride];\ |
| 1941 |
const int t2= src[ 2-1*stride];\ |
| 1942 |
const int t3= src[ 3-1*stride];\ |
| 1943 |
|
| 1944 |
static void pred4x4_down_right_c(uint8_t *src, uint8_t *topright, int stride){ |
| 1945 |
const int lt= src[-1-1*stride]; |
| 1946 |
LOAD_TOP_EDGE |
| 1947 |
LOAD_LEFT_EDGE |
| 1948 |
|
| 1949 |
src[0+3*stride]=(l3 + 2*l2 + l1 + 2)>>2; |
| 1950 |
src[0+2*stride]= |
| 1951 |
src[1+3*stride]=(l2 + 2*l1 + l0 + 2)>>2; |
| 1952 |
src[0+1*stride]= |
| 1953 |
src[1+2*stride]= |
| 1954 |
src[2+3*stride]=(l1 + 2*l0 + lt + 2)>>2; |
| 1955 |
src[0+0*stride]= |
| 1956 |
src[1+1*stride]= |
| 1957 |
src[2+2*stride]= |
| 1958 |
src[3+3*stride]=(l0 + 2*lt + t0 + 2)>>2; |
| 1959 |
src[1+0*stride]= |
| 1960 |
src[2+1*stride]= |
| 1961 |
src[3+2*stride]=(lt + 2*t0 + t1 + 2)>>2; |
| 1962 |
src[2+0*stride]= |
| 1963 |
src[3+1*stride]=(t0 + 2*t1 + t2 + 2)>>2; |
| 1964 |
src[3+0*stride]=(t1 + 2*t2 + t3 + 2)>>2; |
| 1965 |
} |
| 1966 |
|
| 1967 |
static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){ |
| 1968 |
LOAD_TOP_EDGE |
| 1969 |
LOAD_TOP_RIGHT_EDGE |
| 1970 |
// LOAD_LEFT_EDGE
|
| 1971 |
|
| 1972 |
src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2; |
| 1973 |
src[1+0*stride]= |
| 1974 |
src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2; |
| 1975 |
src[2+0*stride]= |
| 1976 |
src[1+1*stride]= |
| 1977 |
src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2; |
| 1978 |
src[3+0*stride]= |
| 1979 |
src[2+1*stride]= |
| 1980 |
src[1+2*stride]= |
| 1981 |
src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2; |
| 1982 |
src[3+1*stride]= |
| 1983 |
src[2+2*stride]= |
| 1984 |
src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2; |
| 1985 |
src[3+2*stride]= |
| 1986 |
src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2; |
| 1987 |
src[3+3*stride]=(t6 + 3*t7 + 2)>>2; |
| 1988 |
} |
| 1989 |
|
| 1990 |
static void pred4x4_vertical_right_c(uint8_t *src, uint8_t *topright, int stride){ |
| 1991 |
const int lt= src[-1-1*stride]; |
| 1992 |
LOAD_TOP_EDGE |
| 1993 |
LOAD_LEFT_EDGE |
| 1994 |
const __attribute__((unused)) int unu= l3; |
| 1995 |
|
| 1996 |
src[0+0*stride]= |
| 1997 |
src[1+2*stride]=(lt + t0 + 1)>>1; |
| 1998 |
src[1+0*stride]= |
| 1999 |
src[2+2*stride]=(t0 + t1 + 1)>>1; |
| 2000 |
src[2+0*stride]= |
| 2001 |
src[3+2*stride]=(t1 + t2 + 1)>>1; |
| 2002 |
src[3+0*stride]=(t2 + t3 + 1)>>1; |
| 2003 |
src[0+1*stride]= |
| 2004 |
src[1+3*stride]=(l0 + 2*lt + t0 + 2)>>2; |
| 2005 |
src[1+1*stride]= |
| 2006 |
src[2+3*stride]=(lt + 2*t0 + t1 + 2)>>2; |
| 2007 |
src[2+1*stride]= |
| 2008 |
src[3+3*stride]=(t0 + 2*t1 + t2 + 2)>>2; |
| 2009 |
src[3+1*stride]=(t1 + 2*t2 + t3 + 2)>>2; |
| 2010 |
src[0+2*stride]=(lt + 2*l0 + l1 + 2)>>2; |
| 2011 |
src[0+3*stride]=(l0 + 2*l1 + l2 + 2)>>2; |
| 2012 |
} |
| 2013 |
|
| 2014 |
static void pred4x4_vertical_left_c(uint8_t *src, uint8_t *topright, int stride){ |
| 2015 |
LOAD_TOP_EDGE |
| 2016 |
LOAD_TOP_RIGHT_EDGE |
| 2017 |
const __attribute__((unused)) int unu= t7; |
| 2018 |
|
| 2019 |
src[0+0*stride]=(t0 + t1 + 1)>>1; |
| 2020 |
src[1+0*stride]= |
| 2021 |
src[0+2*stride]=(t1 + t2 + 1)>>1; |
| 2022 |
src[2+0*stride]= |
| 2023 |
src[1+2*stride]=(t2 + t3 + 1)>>1; |
| 2024 |
src[3+0*stride]= |
| 2025 |
src[2+2*stride]=(t3 + t4+ 1)>>1; |
| 2026 |
src[3+2*stride]=(t4 + t5+ 1)>>1; |
| 2027 |
src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2; |
| 2028 |
src[1+1*stride]= |
| 2029 |
src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2; |
| 2030 |
src[2+1*stride]= |
| 2031 |
src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2; |
| 2032 |
src[3+1*stride]= |
| 2033 |
src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2; |
| 2034 |
src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2; |
| 2035 |
} |
| 2036 |
|
| 2037 |
static void pred4x4_horizontal_up_c(uint8_t *src, uint8_t *topright, int stride){ |
| 2038 |
LOAD_LEFT_EDGE |
| 2039 |
|
| 2040 |
src[0+0*stride]=(l0 + l1 + 1)>>1; |
| 2041 |
src[1+0*stride]=(l0 + 2*l1 + l2 + 2)>>2; |
| 2042 |
src[2+0*stride]= |
| 2043 |
src[0+1*stride]=(l1 + l2 + 1)>>1; |
| 2044 |
src[3+0*stride]= |
| 2045 |
src[1+1*stride]=(l1 + 2*l2 + l3 + 2)>>2; |
| 2046 |
src[2+1*stride]= |
| 2047 |
src[0+2*stride]=(l2 + l3 + 1)>>1; |
| 2048 |
src[3+1*stride]= |
| 2049 |
src[1+2*stride]=(l2 + 2*l3 + l3 + 2)>>2; |
| 2050 |
src[3+2*stride]= |
| 2051 |
src[1+3*stride]= |
| 2052 |
src[0+3*stride]= |
| 2053 |
src[2+2*stride]= |
| 2054 |
src[2+3*stride]= |
| 2055 |
src[3+3*stride]=l3; |
| 2056 |
} |
| 2057 |
|
| 2058 |
static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int stride){ |
| 2059 |
const int lt= src[-1-1*stride]; |
| 2060 |
LOAD_TOP_EDGE |
| 2061 |
LOAD_LEFT_EDGE |
| 2062 |
const __attribute__((unused)) int unu= t3; |
| 2063 |
|
| 2064 |
src[0+0*stride]= |
| 2065 |
src[2+1*stride]=(lt + l0 + 1)>>1; |
| 2066 |
src[1+0*stride]= |
| 2067 |
src[3+1*stride]=(l0 + 2*lt + t0 + 2)>>2; |
| 2068 |
src[2+0*stride]=(lt + 2*t0 + t1 + 2)>>2; |
| 2069 |
src[3+0*stride]=(t0 + 2*t1 + t2 + 2)>>2; |
| 2070 |
src[0+1*stride]= |
| 2071 |
src[2+2*stride]=(l0 + l1 + 1)>>1; |
| 2072 |
src[1+1*stride]= |
| 2073 |
src[3+2*stride]=(lt + 2*l0 + l1 + 2)>>2; |
| 2074 |
src[0+2*stride]= |
| 2075 |
src[2+3*stride]=(l1 + l2+ 1)>>1; |
| 2076 |
src[1+2*stride]= |
| 2077 |
src[3+3*stride]=(l0 + 2*l1 + l2 + 2)>>2; |
| 2078 |
src[0+3*stride]=(l2 + l3 + 1)>>1; |
| 2079 |
src[1+3*stride]=(l1 + 2*l2 + l3 + 2)>>2; |
| 2080 |
} |
| 2081 |
|
| 2082 |
static void pred16x16_vertical_c(uint8_t *src, int stride){ |
| 2083 |
int i;
|
| 2084 |
const uint32_t a= ((uint32_t*)(src-stride))[0]; |
| 2085 |
const uint32_t b= ((uint32_t*)(src-stride))[1]; |
| 2086 |
const uint32_t c= ((uint32_t*)(src-stride))[2]; |
| 2087 |
const uint32_t d= ((uint32_t*)(src-stride))[3]; |
| 2088 |
|
| 2089 |
for(i=0; i<16; i++){ |
| 2090 |
((uint32_t*)(src+i*stride))[0]= a;
|
| 2091 |
((uint32_t*)(src+i*stride))[1]= b;
|
| 2092 |
((uint32_t*)(src+i*stride))[2]= c;
|
| 2093 |
((uint32_t*)(src+i*stride))[3]= d;
|
| 2094 |
} |
| 2095 |
} |
| 2096 |
|
| 2097 |
static void pred16x16_horizontal_c(uint8_t *src, int stride){ |
| 2098 |
int i;
|
| 2099 |
|
| 2100 |
for(i=0; i<16; i++){ |
| 2101 |
((uint32_t*)(src+i*stride))[0]=
|
| 2102 |
((uint32_t*)(src+i*stride))[1]=
|
| 2103 |
((uint32_t*)(src+i*stride))[2]=
|
| 2104 |
((uint32_t*)(src+i*stride))[3]= src[-1+i*stride]*0x01010101; |
| 2105 |
} |
| 2106 |
} |
| 2107 |
|
| 2108 |
static void pred16x16_dc_c(uint8_t *src, int stride){ |
| 2109 |
int i, dc=0; |
| 2110 |
|
| 2111 |
for(i=0;i<16; i++){ |
| 2112 |
dc+= src[-1+i*stride];
|
| 2113 |
} |
| 2114 |
|
| 2115 |
for(i=0;i<16; i++){ |
| 2116 |
dc+= src[i-stride]; |
| 2117 |
} |
| 2118 |
|
| 2119 |
dc= 0x01010101*((dc + 16)>>5); |
| 2120 |
|
| 2121 |
for(i=0; i<16; i++){ |
| 2122 |
((uint32_t*)(src+i*stride))[0]=
|
| 2123 |
((uint32_t*)(src+i*stride))[1]=
|
| 2124 |
((uint32_t*)(src+i*stride))[2]=
|
| 2125 |
((uint32_t*)(src+i*stride))[3]= dc;
|
| 2126 |
} |
| 2127 |
} |
| 2128 |
|
| 2129 |
static void pred16x16_left_dc_c(uint8_t *src, int stride){ |
| 2130 |
int i, dc=0; |
| 2131 |
|
| 2132 |
for(i=0;i<16; i++){ |
| 2133 |
dc+= src[-1+i*stride];
|
| 2134 |
} |
| 2135 |
|
| 2136 |
dc= 0x01010101*((dc + 8)>>4); |
| 2137 |
|
| 2138 |
for(i=0; i<16; i++){ |
| 2139 |
((uint32_t*)(src+i*stride))[0]=
|
| 2140 |
((uint32_t*)(src+i*stride))[1]=
|
| 2141 |
((uint32_t*)(src+i*stride))[2]=
|
| 2142 |
((uint32_t*)(src+i*stride))[3]= dc;
|
| 2143 |
} |
| 2144 |
} |
| 2145 |
|
| 2146 |
static void pred16x16_top_dc_c(uint8_t *src, int stride){ |
| 2147 |
int i, dc=0; |
| 2148 |
|
| 2149 |
for(i=0;i<16; i++){ |
| 2150 |
dc+= src[i-stride]; |
| 2151 |
} |
| 2152 |
dc= 0x01010101*((dc + 8)>>4); |
| 2153 |
|
| 2154 |
for(i=0; i<16; i++){ |
| 2155 |
((uint32_t*)(src+i*stride))[0]=
|
| 2156 |
((uint32_t*)(src+i*stride))[1]=
|
| 2157 |
((uint32_t*)(src+i*stride))[2]=
|
| 2158 |
((uint32_t*)(src+i*stride))[3]= dc;
|
| 2159 |
} |
| 2160 |
} |
| 2161 |
|
| 2162 |
static void pred16x16_128_dc_c(uint8_t *src, int stride){ |
| 2163 |
int i;
|
| 2164 |
|
| 2165 |
for(i=0; i<16; i++){ |
| 2166 |
((uint32_t*)(src+i*stride))[0]=
|
| 2167 |
((uint32_t*)(src+i*stride))[1]=
|
| 2168 |
((uint32_t*)(src+i*stride))[2]=
|
| 2169 |
((uint32_t*)(src+i*stride))[3]= 0x01010101U*128U; |
| 2170 |
} |
| 2171 |
} |
| 2172 |
|
| 2173 |
static inline void pred16x16_plane_compat_c(uint8_t *src, int stride, const int svq3){ |
| 2174 |
int i, j, k;
|
| 2175 |
int a;
|
| 2176 |
uint8_t *cm = cropTbl + MAX_NEG_CROP; |
| 2177 |
const uint8_t * const src0 = src+7-stride; |
| 2178 |
const uint8_t *src1 = src+8*stride-1; |
| 2179 |
const uint8_t *src2 = src1-2*stride; // == src+6*stride-1; |
| 2180 |
int H = src0[1] - src0[-1]; |
| 2181 |
int V = src1[0] - src2[ 0]; |
| 2182 |
for(k=2; k<=8; ++k) { |
| 2183 |
src1 += stride; src2 -= stride; |
| 2184 |
H += k*(src0[k] - src0[-k]); |
| 2185 |
V += k*(src1[0] - src2[ 0]); |
| 2186 |
} |
| 2187 |
if(svq3){
|
| 2188 |
H = ( 5*(H/4) ) / 16; |
| 2189 |
V = ( 5*(V/4) ) / 16; |
| 2190 |
|
| 2191 |
/* required for 100% accuracy */
|
| 2192 |
i = H; H = V; V = i; |
| 2193 |
}else{
|
| 2194 |
H = ( 5*H+32 ) >> 6; |
| 2195 |
V = ( 5*V+32 ) >> 6; |
| 2196 |
} |
| 2197 |
|
| 2198 |
a = 16*(src1[0] + src2[16] + 1) - 7*(V+H); |
| 2199 |
for(j=16; j>0; --j) { |
| 2200 |
int b = a;
|
| 2201 |
a += V; |
| 2202 |
for(i=-16; i<0; i+=4) { |
| 2203 |
src[16+i] = cm[ (b ) >> 5 ]; |
| 2204 |
src[17+i] = cm[ (b+ H) >> 5 ]; |
| 2205 |
src[18+i] = cm[ (b+2*H) >> 5 ]; |
| 2206 |
src[19+i] = cm[ (b+3*H) >> 5 ]; |
| 2207 |
b += 4*H;
|
| 2208 |
} |
| 2209 |
src += stride; |
| 2210 |
} |
| 2211 |
} |
| 2212 |
|
| 2213 |
static void pred16x16_plane_c(uint8_t *src, int stride){ |
| 2214 |
pred16x16_plane_compat_c(src, stride, 0);
|
| 2215 |
} |
| 2216 |
|
| 2217 |
static void pred8x8_vertical_c(uint8_t *src, int stride){ |
| 2218 |
int i;
|
| 2219 |
const uint32_t a= ((uint32_t*)(src-stride))[0]; |
| 2220 |
const uint32_t b= ((uint32_t*)(src-stride))[1]; |
| 2221 |
|
| 2222 |
for(i=0; i<8; i++){ |
| 2223 |
((uint32_t*)(src+i*stride))[0]= a;
|
| 2224 |
((uint32_t*)(src+i*stride))[1]= b;
|
| 2225 |
} |
| 2226 |
} |
| 2227 |
|
| 2228 |
static void pred8x8_horizontal_c(uint8_t *src, int stride){ |
| 2229 |
int i;
|
| 2230 |
|
| 2231 |
for(i=0; i<8; i++){ |
| 2232 |
((uint32_t*)(src+i*stride))[0]=
|
| 2233 |
((uint32_t*)(src+i*stride))[1]= src[-1+i*stride]*0x01010101; |
| 2234 |
} |
| 2235 |
} |
| 2236 |
|
| 2237 |
static void pred8x8_128_dc_c(uint8_t *src, int stride){ |
| 2238 |
int i;
|
| 2239 |
|
| 2240 |
for(i=0; i<8; i++){ |
| 2241 |
((uint32_t*)(src+i*stride))[0]=
|
| 2242 |
((uint32_t*)(src+i*stride))[1]= 0x01010101U*128U; |
| 2243 |
} |
| 2244 |
} |
| 2245 |
|
| 2246 |
static void pred8x8_left_dc_c(uint8_t *src, int stride){ |
| 2247 |
int i;
|
| 2248 |
int dc0, dc2;
|
| 2249 |
|
| 2250 |
dc0=dc2=0;
|
| 2251 |
for(i=0;i<4; i++){ |
| 2252 |
dc0+= src[-1+i*stride];
|
| 2253 |
dc2+= src[-1+(i+4)*stride]; |
| 2254 |
} |
| 2255 |
dc0= 0x01010101*((dc0 + 2)>>2); |
| 2256 |
dc2= 0x01010101*((dc2 + 2)>>2); |
| 2257 |
|
| 2258 |
for(i=0; i<4; i++){ |
| 2259 |
((uint32_t*)(src+i*stride))[0]=
|
| 2260 |
((uint32_t*)(src+i*stride))[1]= dc0;
|
| 2261 |
} |
| 2262 |
for(i=4; i<8; i++){ |
| 2263 |
((uint32_t*)(src+i*stride))[0]=
|
| 2264 |
((uint32_t*)(src+i*stride))[1]= dc2;
|
| 2265 |
} |
| 2266 |
} |
| 2267 |
|
| 2268 |
static void pred8x8_top_dc_c(uint8_t *src, int stride){ |
| 2269 |
int i;
|
| 2270 |
int dc0, dc1;
|
| 2271 |
|
| 2272 |
dc0=dc1=0;
|
| 2273 |
for(i=0;i<4; i++){ |
| 2274 |
dc0+= src[i-stride]; |
| 2275 |
dc1+= src[4+i-stride];
|
| 2276 |
} |
| 2277 |
dc0= 0x01010101*((dc0 + 2)>>2); |
| 2278 |
dc1= 0x01010101*((dc1 + 2)>>2); |
| 2279 |
|
| 2280 |
for(i=0; i<4; i++){ |
| 2281 |
((uint32_t*)(src+i*stride))[0]= dc0;
|
| 2282 |
((uint32_t*)(src+i*stride))[1]= dc1;
|
| 2283 |
} |
| 2284 |
for(i=4; i<8; i++){ |
| 2285 |
((uint32_t*)(src+i*stride))[0]= dc0;
|
| 2286 |
((uint32_t*)(src+i*stride))[1]= dc1;
|
| 2287 |
} |
| 2288 |
} |
| 2289 |
|
| 2290 |
|
| 2291 |
static void pred8x8_dc_c(uint8_t *src, int stride){ |
| 2292 |
int i;
|
| 2293 |
int dc0, dc1, dc2, dc3;
|
| 2294 |
|
| 2295 |
dc0=dc1=dc2=0;
|
| 2296 |
for(i=0;i<4; i++){ |
| 2297 |
dc0+= src[-1+i*stride] + src[i-stride];
|
| 2298 |
dc1+= src[4+i-stride];
|
| 2299 |
dc2+= src[-1+(i+4)*stride]; |
| 2300 |
} |
| 2301 |
dc3= 0x01010101*((dc1 + dc2 + 4)>>3); |
| 2302 |
dc0= 0x01010101*((dc0 + 4)>>3); |
| 2303 |
dc1= 0x01010101*((dc1 + 2)>>2); |
| 2304 |
dc2= 0x01010101*((dc2 + 2)>>2); |
| 2305 |
|
| 2306 |
for(i=0; i<4; i++){ |
| 2307 |
((uint32_t*)(src+i*stride))[0]= dc0;
|
| 2308 |
((uint32_t*)(src+i*stride))[1]= dc1;
|
| 2309 |
} |
| 2310 |
for(i=4; i<8; i++){ |
| 2311 |
((uint32_t*)(src+i*stride))[0]= dc2;
|
| 2312 |
((uint32_t*)(src+i*stride))[1]= dc3;
|
| 2313 |
} |
| 2314 |
} |
| 2315 |
|
| 2316 |
static void pred8x8_plane_c(uint8_t *src, int stride){ |
| 2317 |
int j, k;
|
| 2318 |
int a;
|
| 2319 |
uint8_t *cm = cropTbl + MAX_NEG_CROP; |
| 2320 |
const uint8_t * const src0 = src+3-stride; |
| 2321 |
const uint8_t *src1 = src+4*stride-1; |
| 2322 |
const uint8_t *src2 = src1-2*stride; // == src+2*stride-1; |
| 2323 |
int H = src0[1] - src0[-1]; |
| 2324 |
int V = src1[0] - src2[ 0]; |
| 2325 |
for(k=2; k<=4; ++k) { |
| 2326 |
src1 += stride; src2 -= stride; |
| 2327 |
H += k*(src0[k] - src0[-k]); |
| 2328 |
V += k*(src1[0] - src2[ 0]); |
| 2329 |
} |
| 2330 |
H = ( 17*H+16 ) >> 5; |
| 2331 |
V = ( 17*V+16 ) >> 5; |
| 2332 |
|
| 2333 |
a = 16*(src1[0] + src2[8]+1) - 3*(V+H); |
| 2334 |
for(j=8; j>0; --j) { |
| 2335 |
int b = a;
|
| 2336 |
a += V; |
| 2337 |
src[0] = cm[ (b ) >> 5 ]; |
| 2338 |
src[1] = cm[ (b+ H) >> 5 ]; |
| 2339 |
src[2] = cm[ (b+2*H) >> 5 ]; |
| 2340 |
src[3] = cm[ (b+3*H) >> 5 ]; |
| 2341 |
src[4] = cm[ (b+4*H) >> 5 ]; |
| 2342 |
src[5] = cm[ (b+5*H) >> 5 ]; |
| 2343 |
src[6] = cm[ (b+6*H) >> 5 ]; |
| 2344 |
src[7] = cm[ (b+7*H) >> 5 ]; |
| 2345 |
src += stride; |
| 2346 |
} |
| 2347 |
} |
| 2348 |
|
| 2349 |
#define SRC(x,y) src[(x)+(y)*stride]
|
| 2350 |
#define PL(y) \
|
| 2351 |
const int l##y = (SRC(-1,y-1) + 2*SRC(-1,y) + SRC(-1,y+1) + 2) >> 2; |
| 2352 |
#define PREDICT_8x8_LOAD_LEFT \
|
| 2353 |
const int l0 = ((has_topleft ? SRC(-1,-1) : SRC(-1,0)) \ |
| 2354 |
+ 2*SRC(-1,0) + SRC(-1,1) + 2) >> 2; \ |
| 2355 |
PL(1) PL(2) PL(3) PL(4) PL(5) PL(6) \ |
| 2356 |
const int l7 attribute_unused = (SRC(-1,6) + 3*SRC(-1,7) + 2) >> 2 |
| 2357 |
|
| 2358 |
#define PT(x) \
|
| 2359 |
const int t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2; |
| 2360 |
#define PREDICT_8x8_LOAD_TOP \
|
| 2361 |
const int t0 = ((has_topleft ? SRC(-1,-1) : SRC(0,-1)) \ |
| 2362 |
+ 2*SRC(0,-1) + SRC(1,-1) + 2) >> 2; \ |
| 2363 |
PT(1) PT(2) PT(3) PT(4) PT(5) PT(6) \ |
| 2364 |
const int t7 attribute_unused = ((has_topright ? SRC(8,-1) : SRC(7,-1)) \ |
| 2365 |
+ 2*SRC(7,-1) + SRC(6,-1) + 2) >> 2 |
| 2366 |
|
| 2367 |
#define PTR(x) \
|
| 2368 |
t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2; |
| 2369 |
#define PREDICT_8x8_LOAD_TOPRIGHT \
|
| 2370 |
int t8, t9, t10, t11, t12, t13, t14, t15; \
|
| 2371 |
if(has_topright) { \
|
| 2372 |
PTR(8) PTR(9) PTR(10) PTR(11) PTR(12) PTR(13) PTR(14) \ |
| 2373 |
t15 = (SRC(14,-1) + 3*SRC(15,-1) + 2) >> 2; \ |
| 2374 |
} else t8=t9=t10=t11=t12=t13=t14=t15= SRC(7,-1); |
| 2375 |
|
| 2376 |
#define PREDICT_8x8_LOAD_TOPLEFT \
|
| 2377 |
const int lt = (SRC(-1,0) + 2*SRC(-1,-1) + SRC(0,-1) + 2) >> 2 |
| 2378 |
|
| 2379 |
#define PREDICT_8x8_DC(v) \
|
| 2380 |
int y; \
|
| 2381 |
for( y = 0; y < 8; y++ ) { \ |
| 2382 |
((uint32_t*)src)[0] = \
|
| 2383 |
((uint32_t*)src)[1] = v; \
|
| 2384 |
src += stride; \ |
| 2385 |
} |
| 2386 |
|
| 2387 |
static void pred8x8l_128_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride) |
| 2388 |
{
|
| 2389 |
PREDICT_8x8_DC(0x80808080);
|
| 2390 |
} |
| 2391 |
static void pred8x8l_left_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride) |
| 2392 |
{
|
| 2393 |
PREDICT_8x8_LOAD_LEFT; |
| 2394 |
const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7+4) >> 3) * 0x01010101; |
| 2395 |
PREDICT_8x8_DC(dc); |
| 2396 |
} |
| 2397 |
static void pred8x8l_top_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride) |
| 2398 |
{
|
| 2399 |
PREDICT_8x8_LOAD_TOP; |
| 2400 |
const uint32_t dc = ((t0+t1+t2+t3+t4+t5+t6+t7+4) >> 3) * 0x01010101; |
| 2401 |
PREDICT_8x8_DC(dc); |
| 2402 |
} |
| 2403 |
static void pred8x8l_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride) |
| 2404 |
{
|
| 2405 |
PREDICT_8x8_LOAD_LEFT; |
| 2406 |
PREDICT_8x8_LOAD_TOP; |
| 2407 |
const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7
|
| 2408 |
+t0+t1+t2+t3+t4+t5+t6+t7+8) >> 4) * 0x01010101; |
| 2409 |
PREDICT_8x8_DC(dc); |
| 2410 |
} |
| 2411 |
static void pred8x8l_horizontal_c(uint8_t *src, int has_topleft, int has_topright, int stride) |
| 2412 |
{
|
| 2413 |
PREDICT_8x8_LOAD_LEFT; |
| 2414 |
#define ROW(y) ((uint32_t*)(src+y*stride))[0] =\ |
| 2415 |
((uint32_t*)(src+y*stride))[1] = 0x01010101 * l##y |
| 2416 |
ROW(0); ROW(1); ROW(2); ROW(3); ROW(4); ROW(5); ROW(6); ROW(7); |
| 2417 |
#undef ROW
|
| 2418 |
} |
| 2419 |
static void pred8x8l_vertical_c(uint8_t *src, int has_topleft, int has_topright, int stride) |
| 2420 |
{
|
| 2421 |
int y;
|
| 2422 |
PREDICT_8x8_LOAD_TOP; |
| 2423 |
src[0] = t0;
|
| 2424 |
src[1] = t1;
|
| 2425 |
src[2] = t2;
|
| 2426 |
src[3] = t3;
|
| 2427 |
src[4] = t4;
|
| 2428 |
src[5] = t5;
|
| 2429 |
src[6] = t6;
|
| 2430 |
src[7] = t7;
|
| 2431 |
for( y = 1; y < 8; y++ ) |
| 2432 |
*(uint64_t*)(src+y*stride) = *(uint64_t*)src; |
| 2433 |
} |
| 2434 |
static void pred8x8l_down_left_c(uint8_t *src, int has_topleft, int has_topright, int stride) |
| 2435 |
{
|
| 2436 |
PREDICT_8x8_LOAD_TOP; |
| 2437 |
PREDICT_8x8_LOAD_TOPRIGHT; |
| 2438 |
SRC(0,0)= (t0 + 2*t1 + t2 + 2) >> 2; |
| 2439 |
SRC(0,1)=SRC(1,0)= (t1 + 2*t2 + t3 + 2) >> 2; |
| 2440 |
SRC(0,2)=SRC(1,1)=SRC(2,0)= (t2 + 2*t3 + t4 + 2) >> 2; |
| 2441 |
SRC(0,3)=SRC(1,2)=SRC(2,1)=SRC(3,0)= (t3 + 2*t4 + t5 + 2) >> 2; |
| 2442 |
SRC(0,4)=SRC(1,3)=SRC(2,2)=SRC(3,1)=SRC(4,0)= (t4 + 2*t5 + t6 + 2) >> 2; |
| 2443 |
SRC(0,5)=SRC(1,4)=SRC(2,3)=SRC(3,2)=SRC(4,1)=SRC(5,0)= (t5 + 2*t6 + t7 + 2) >> 2; |
| 2444 |
SRC(0,6)=SRC(1,5)=SRC(2,4)=SRC(3,3)=SRC(4,2)=SRC(5,1)=SRC(6,0)= (t6 + 2*t7 + t8 + 2) >> 2; |
| 2445 |
SRC(0,7)=SRC(1,6)=SRC(2,5)=SRC(3,4)=SRC(4,3)=SRC(5,2)=SRC(6,1)=SRC(7,0)= (t7 + 2*t8 + t9 + 2) >> 2; |
| 2446 |
SRC(1,7)=SRC(2,6)=SRC(3,5)=SRC(4,4)=SRC(5,3)=SRC(6,2)=SRC(7,1)= (t8 + 2*t9 + t10 + 2) >> 2; |
| 2447 |
SRC(2,7)=SRC(3,6)=SRC(4,5)=SRC(5,4)=SRC(6,3)=SRC(7,2)= (t9 + 2*t10 + t11 + 2) >> 2; |
| 2448 |
SRC(3,7)=SRC(4,6)=SRC(5,5)=SRC(6,4)=SRC(7,3)= (t10 + 2*t11 + t12 + 2) >> 2; |
| 2449 |
SRC(4,7)=SRC(5,6)=SRC(6,5)=SRC(7,4)= (t11 + 2*t12 + t13 + 2) >> 2; |
| 2450 |
SRC(5,7)=SRC(6,6)=SRC(7,5)= (t12 + 2*t13 + t14 + 2) >> 2; |
| 2451 |
SRC(6,7)=SRC(7,6)= (t13 + 2*t14 + t15 + 2) >> 2; |
| 2452 |
SRC(7,7)= (t14 + 3*t15 + 2) >> 2; |
| 2453 |
} |
| 2454 |
static void pred8x8l_down_right_c(uint8_t *src, int has_topleft, int has_topright, int stride) |
| 2455 |
{
|
| 2456 |
PREDICT_8x8_LOAD_TOP; |
| 2457 |
PREDICT_8x8_LOAD_LEFT; |
| 2458 |
PREDICT_8x8_LOAD_TOPLEFT; |
| 2459 |
SRC(0,7)= (l7 + 2*l6 + l5 + 2) >> 2; |
| 2460 |
SRC(0,6)=SRC(1,7)= (l6 + 2*l5 + l4 + 2) >> 2; |
| 2461 |
SRC(0,5)=SRC(1,6)=SRC(2,7)= (l5 + 2*l4 + l3 + 2) >> 2; |
| 2462 |
SRC(0,4)=SRC(1,5)=SRC(2,6)=SRC(3,7)= (l4 + 2*l3 + l2 + 2) >> 2; |
| 2463 |
SRC(0,3)=SRC(1,4)=SRC(2,5)=SRC(3,6)=SRC(4,7)= (l3 + 2*l2 + l1 + 2) >> 2; |
| 2464 |
SRC(0,2)=SRC(1,3)=SRC(2,4)=SRC(3,5)=SRC(4,6)=SRC(5,7)= (l2 + 2*l1 + l0 + 2) >> 2; |
| 2465 |
SRC(0,1)=SRC(1,2)=SRC(2,3)=SRC(3,4)=SRC(4,5)=SRC(5,6)=SRC(6,7)= (l1 + 2*l0 + lt + 2) >> 2; |
| 2466 |
SRC(0,0)=SRC(1,1)=SRC(2,2)=SRC(3,3)=SRC(4,4)=SRC(5,5)=SRC(6,6)=SRC(7,7)= (l0 + 2*lt + t0 + 2) >> 2; |
| 2467 |
SRC(1,0)=SRC(2,1)=SRC(3,2)=SRC(4,3)=SRC(5,4)=SRC(6,5)=SRC(7,6)= (lt + 2*t0 + t1 + 2) >> 2; |
| 2468 |
SRC(2,0)=SRC(3,1)=SRC(4,2)=SRC(5,3)=SRC(6,4)=SRC(7,5)= (t0 + 2*t1 + t2 + 2) >> 2; |
| 2469 |
SRC(3,0)=SRC(4,1)=SRC(5,2)=SRC(6,3)=SRC(7,4)= (t1 + 2*t2 + t3 + 2) >> 2; |
| 2470 |
SRC(4,0)=SRC(5,1)=SRC(6,2)=SRC(7,3)= (t2 + 2*t3 + t4 + 2) >> 2; |
| 2471 |
SRC(5,0)=SRC(6,1)=SRC(7,2)= (t3 + 2*t4 + t5 + 2) >> 2; |
| 2472 |
SRC(6,0)=SRC(7,1)= (t4 + 2*t5 + t6 + 2) >> 2; |
| 2473 |
SRC(7,0)= (t5 + 2*t6 + t7 + 2) >> 2; |
| 2474 |
|
| 2475 |
} |
| 2476 |
static void pred8x8l_vertical_right_c(uint8_t *src, int has_topleft, int has_topright, int stride) |
| 2477 |
{
|
| 2478 |
PREDICT_8x8_LOAD_TOP; |
| 2479 |
PREDICT_8x8_LOAD_LEFT; |
| 2480 |
PREDICT_8x8_LOAD_TOPLEFT; |
| 2481 |
SRC(0,6)= (l5 + 2*l4 + l3 + 2) >> 2; |
| 2482 |
SRC(0,7)= (l6 + 2*l5 + l4 + 2) >> 2; |
| 2483 |
SRC(0,4)=SRC(1,6)= (l3 + 2*l2 + l1 + 2) >> 2; |
| 2484 |
SRC(0,5)=SRC(1,7)= (l4 + 2*l3 + l2 + 2) >> 2; |
| 2485 |
SRC(0,2)=SRC(1,4)=SRC(2,6)= (l1 + 2*l0 + lt + 2) >> 2; |
| 2486 |
SRC(0,3)=SRC(1,5)=SRC(2,7)= (l2 + 2*l1 + l0 + 2) >> 2; |
| 2487 |
SRC(0,1)=SRC(1,3)=SRC(2,5)=SRC(3,7)= (l0 + 2*lt + t0 + 2) >> 2; |
| 2488 |
SRC(0,0)=SRC(1,2)=SRC(2,4)=SRC(3,6)= (lt + t0 + 1) >> 1; |
| 2489 |
SRC(1,1)=SRC(2,3)=SRC(3,5)=SRC(4,7)= (lt + 2*t0 + t1 + 2) >> 2; |
| 2490 |
SRC(1,0)=SRC(2,2)=SRC(3,4)=SRC(4,6)= (t0 + t1 + 1) >> 1; |
| 2491 |
SRC(2,1)=SRC(3,3)=SRC(4,5)=SRC(5,7)= (t0 + 2*t1 + t2 + 2) >> 2; |
| 2492 |
SRC(2,0)=SRC(3,2)=SRC(4,4)=SRC(5,6)= (t1 + t2 + 1) >> 1; |
| 2493 |
SRC(3,1)=SRC(4,3)=SRC(5,5)=SRC(6,7)= (t1 + 2*t2 + t3 + 2) >> 2; |
| 2494 |
SRC(3,0)=SRC(4,2)=SRC(5,4)=SRC(6,6)= (t2 + t3 + 1) >> 1; |
| 2495 |
SRC(4,1)=SRC(5,3)=SRC(6,5)=SRC(7,7)= (t2 + 2*t3 + t4 + 2) >> 2; |
| 2496 |
SRC(4,0)=SRC(5,2)=SRC(6,4)=SRC(7,6)= (t3 + t4 + 1) >> 1; |
| 2497 |
SRC(5,1)=SRC(6,3)=SRC(7,5)= (t3 + 2*t4 + t5 + 2) >> 2; |
| 2498 |
SRC(5,0)=SRC(6,2)=SRC(7,4)= (t4 + t5 + 1) >> 1; |
| 2499 |
SRC(6,1)=SRC(7,3)= (t4 + 2*t5 + t6 + 2) >> 2; |
| 2500 |
SRC(6,0)=SRC(7,2)= (t5 + t6 + 1) >> 1; |
| 2501 |
SRC(7,1)= (t5 + 2*t6 + t7 + 2) >> 2; |
| 2502 |
SRC(7,0)= (t6 + t7 + 1) >> 1; |
| 2503 |
} |
| 2504 |
static void pred8x8l_horizontal_down_c(uint8_t *src, int has_topleft, int has_topright, int stride) |
| 2505 |
{
|
| 2506 |
PREDICT_8x8_LOAD_TOP; |
| 2507 |
PREDICT_8x8_LOAD_LEFT; |
| 2508 |
PREDICT_8x8_LOAD_TOPLEFT; |
| 2509 |
SRC(0,7)= (l6 + l7 + 1) >> 1; |
| 2510 |
SRC(1,7)= (l5 + 2*l6 + l7 + 2) >> 2; |
| 2511 |
SRC(0,6)=SRC(2,7)= (l5 + l6 + 1) >> 1; |
| 2512 |
SRC(1,6)=SRC(3,7)= (l4 + 2*l5 + l6 + 2) >> 2; |
| 2513 |
SRC(0,5)=SRC(2,6)=SRC(4,7)= (l4 + l5 + 1) >> 1; |
| 2514 |
SRC(1,5)=SRC(3,6)=SRC(5,7)= (l3 + 2*l4 + l5 + 2) >> 2; |
| 2515 |
SRC(0,4)=SRC(2,5)=SRC(4,6)=SRC(6,7)= (l3 + l4 + 1) >> 1; |
| 2516 |
SRC(1,4)=SRC(3,5)=SRC(5,6)=SRC(7,7)= (l2 + 2*l3 + l4 + 2) >> 2; |
| 2517 |
SRC(0,3)=SRC(2,4)=SRC(4,5)=SRC(6,6)= (l2 + l3 + 1) >> 1; |
| 2518 |
SRC(1,3)=SRC(3,4)=SRC(5,5)=SRC(7,6)= (l1 + 2*l2 + l3 + 2) >> 2; |
| 2519 |
SRC(0,2)=SRC(2,3)=SRC(4,4)=SRC(6,5)= (l1 + l2 + 1) >> 1; |
| 2520 |
SRC(1,2)=SRC(3,3)=SRC(5,4)=SRC(7,5)= (l0 + 2*l1 + l2 + 2) >> 2; |
| 2521 |
SRC(0,1)=SRC(2,2)=SRC(4,3)=SRC(6,4)= (l0 + l1 + 1) >> 1; |
| 2522 |
SRC(1,1)=SRC(3,2)=SRC(5,3)=SRC(7,4)= (lt + 2*l0 + l1 + 2) >> 2; |
| 2523 |
SRC(0,0)=SRC(2,1)=SRC(4,2)=SRC(6,3)= (lt + l0 + 1) >> 1; |
| 2524 |
SRC(1,0)=SRC(3,1)=SRC(5,2)=SRC(7,3)= (l0 + 2*lt + t0 + 2) >> 2; |
| 2525 |
SRC(2,0)=SRC(4,1)=SRC(6,2)= (t1 + 2*t0 + lt + 2) >> 2; |
| 2526 |
SRC(3,0)=SRC(5,1)=SRC(7,2)= (t2 + 2*t1 + t0 + 2) >> 2; |
| 2527 |
SRC(4,0)=SRC(6,1)= (t3 + 2*t2 + t1 + 2) >> 2; |
| 2528 |
SRC(5,0)=SRC(7,1)= (t4 + 2*t3 + t2 + 2) >> 2; |
| 2529 |
SRC(6,0)= (t5 + 2*t4 + t3 + 2) >> 2; |
| 2530 |
SRC(7,0)= (t6 + 2*t5 + t4 + 2) >> 2; |
| 2531 |
} |
| 2532 |
static void pred8x8l_vertical_left_c(uint8_t *src, int has_topleft, int has_topright, int stride) |
| 2533 |
{
|
| 2534 |
PREDICT_8x8_LOAD_TOP; |
| 2535 |
PREDICT_8x8_LOAD_TOPRIGHT; |
| 2536 |
SRC(0,0)= (t0 + t1 + 1) >> 1; |
| 2537 |
SRC(0,1)= (t0 + 2*t1 + t2 + 2) >> 2; |
| 2538 |
SRC(0,2)=SRC(1,0)= (t1 + t2 + 1) >> 1; |
| 2539 |
SRC(0,3)=SRC(1,1)= (t1 + 2*t2 + t3 + 2) >> 2; |
| 2540 |
SRC(0,4)=SRC(1,2)=SRC(2,0)= (t2 + t3 + 1) >> 1; |
| 2541 |
SRC(0,5)=SRC(1,3)=SRC(2,1)= (t2 + 2*t3 + t4 + 2) >> 2; |
| 2542 |
SRC(0,6)=SRC(1,4)=SRC(2,2)=SRC(3,0)= (t3 + t4 + 1) >> 1; |
| 2543 |
SRC(0,7)=SRC(1,5)=SRC(2,3)=SRC(3,1)= (t3 + 2*t4 + t5 + 2) >> 2; |
| 2544 |
SRC(1,6)=SRC(2,4)=SRC(3,2)=SRC(4,0)= (t4 + t5 + 1) >> 1; |
| 2545 |
SRC(1,7)=SRC(2,5)=SRC(3,3)=SRC(4,1)= (t4 + 2*t5 + t6 + 2) >> 2; |
| 2546 |
SRC(2,6)=SRC(3,4)=SRC(4,2)=SRC(5,0)= (t5 + t6 + 1) >> 1; |
| 2547 |
SRC(2,7)=SRC(3,5)=SRC(4,3)=SRC(5,1)= (t5 + 2*t6 + t7 + 2) >> 2; |
| 2548 |
SRC(3,6)=SRC(4,4)=SRC(5,2)=SRC(6,0)= (t6 + t7 + 1) >> 1; |
| 2549 |
SRC(3,7)=SRC(4,5)=SRC(5,3)=SRC(6,1)= (t6 + 2*t7 + t8 + 2) >> 2; |
| 2550 |
SRC(4,6)=SRC(5,4)=SRC(6,2)=SRC(7,0)= (t7 + t8 + 1) >> 1; |
| 2551 |
SRC(4,7)=SRC(5,5)=SRC(6,3)=SRC(7,1)= (t7 + 2*t8 + t9 + 2) >> 2; |
| 2552 |
SRC(5,6)=SRC(6,4)=SRC(7,2)= (t8 + t9 + 1) >> 1; |
| 2553 |
SRC(5,7)=SRC(6,5)=SRC(7,3)= (t8 + 2*t9 + t10 + 2) >> 2; |
| 2554 |
SRC(6,6)=SRC(7,4)= (t9 + t10 + 1) >> 1; |
| 2555 |
SRC(6,7)=SRC(7,5)= (t9 + 2*t10 + t11 + 2) >> 2; |
| 2556 |
SRC(7,6)= (t10 + t11 + 1) >> 1; |
| 2557 |
SRC(7,7)= (t10 + 2*t11 + t12 + 2) >> 2; |
| 2558 |
} |
| 2559 |
static void pred8x8l_horizontal_up_c(uint8_t *src, int has_topleft, int has_topright, int stride) |
| 2560 |
{
|
| 2561 |
PREDICT_8x8_LOAD_LEFT; |
| 2562 |
SRC(0,0)= (l0 + l1 + 1) >> 1; |
| 2563 |
SRC(1,0)= (l0 + 2*l1 + l2 + 2) >> 2; |
| 2564 |
SRC(0,1)=SRC(2,0)= (l1 + l2 + 1) >> 1; |
| 2565 |
SRC(1,1)=SRC(3,0)= (l1 + 2*l2 + l3 + 2) >> 2; |
| 2566 |
SRC(0,2)=SRC(2,1)=SRC(4,0)= (l2 + l3 + 1) >> 1; |
| 2567 |
SRC(1,2)=SRC(3,1)=SRC(5,0)= (l2 + 2*l3 + l4 + 2) >> 2; |
| 2568 |
SRC(0,3)=SRC(2,2)=SRC(4,1)=SRC(6,0)= (l3 + l4 + 1) >> 1; |
| 2569 |
SRC(1,3)=SRC(3,2)=SRC(5,1)=SRC(7,0)= (l3 + 2*l4 + l5 + 2) >> 2; |
| 2570 |
SRC(0,4)=SRC(2,3)=SRC(4,2)=SRC(6,1)= (l4 + l5 + 1) >> 1; |
| 2571 |
SRC(1,4)=SRC(3,3)=SRC(5,2)=SRC(7,1)= (l4 + 2*l5 + l6 + 2) >> 2; |
| 2572 |
SRC(0,5)=SRC(2,4)=SRC(4,3)=SRC(6,2)= (l5 + l6 + 1) >> 1; |
| 2573 |
SRC(1,5)=SRC(3,4)=SRC(5,3)=SRC(7,2)= (l5 + 2*l6 + l7 + 2) >> 2; |
| 2574 |
SRC(0,6)=SRC(2,5)=SRC(4,4)=SRC(6,3)= (l6 + l7 + 1) >> 1; |
| 2575 |
SRC(1,6)=SRC(3,5)=SRC(5,4)=SRC(7,3)= (l6 + 3*l7 + 2) >> 2; |
| 2576 |
SRC(0,7)=SRC(1,7)=SRC(2,6)=SRC(2,7)=SRC(3,6)= |
| 2577 |
SRC(3,7)=SRC(4,5)=SRC(4,6)=SRC(4,7)=SRC(5,5)= |
| 2578 |
SRC(5,6)=SRC(5,7)=SRC(6,4)=SRC(6,5)=SRC(6,6)= |
| 2579 |
SRC(6,7)=SRC(7,4)=SRC(7,5)=SRC(7,6)=SRC(7,7)= l7; |
| 2580 |
} |
| 2581 |
#undef PREDICT_8x8_LOAD_LEFT
|
| 2582 |
#undef PREDICT_8x8_LOAD_TOP
|
| 2583 |
#undef PREDICT_8x8_LOAD_TOPLEFT
|
| 2584 |
#undef PREDICT_8x8_LOAD_TOPRIGHT
|
| 2585 |
#undef PREDICT_8x8_DC
|
| 2586 |
#undef PTR
|
| 2587 |
#undef PT
|
| 2588 |
#undef PL
|
| 2589 |
#undef SRC
|
| 2590 |
|
| 2591 |
static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square, int chroma_height, int delta, int list, |
| 2592 |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 2593 |
int src_x_offset, int src_y_offset, |
| 2594 |
qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op){
|
| 2595 |
MpegEncContext * const s = &h->s;
|
| 2596 |
const int mx= h->mv_cache[list][ scan8[n] ][0] + src_x_offset*8; |
| 2597 |
const int my= h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8; |
| 2598 |
const int luma_xy= (mx&3) + ((my&3)<<2); |
| 2599 |
uint8_t * src_y = pic->data[0] + (mx>>2) + (my>>2)*s->linesize; |
| 2600 |
uint8_t * src_cb= pic->data[1] + (mx>>3) + (my>>3)*s->uvlinesize; |
| 2601 |
uint8_t * src_cr= pic->data[2] + (mx>>3) + (my>>3)*s->uvlinesize; |
| 2602 |
int extra_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16; //FIXME increase edge?, IMHO not worth it |
| 2603 |
int extra_height= extra_width;
|
| 2604 |
int emu=0; |
| 2605 |
const int full_mx= mx>>2; |
| 2606 |
const int full_my= my>>2; |
| 2607 |
const int pic_width = 16*s->mb_width; |
| 2608 |
const int pic_height = 16*s->mb_height; |
| 2609 |
|
| 2610 |
assert(pic->data[0]);
|
| 2611 |
|
| 2612 |
if(mx&7) extra_width -= 3; |
| 2613 |
if(my&7) extra_height -= 3; |
| 2614 |
|
| 2615 |
if( full_mx < 0-extra_width |
| 2616 |
|| full_my < 0-extra_height
|
| 2617 |
|| full_mx + 16/*FIXME*/ > pic_width + extra_width |
| 2618 |
|| full_my + 16/*FIXME*/ > pic_height + extra_height){ |
| 2619 |
ff_emulated_edge_mc(s->edge_emu_buffer, src_y - 2 - 2*s->linesize, s->linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height); |
| 2620 |
src_y= s->edge_emu_buffer + 2 + 2*s->linesize; |
| 2621 |
emu=1;
|
| 2622 |
} |
| 2623 |
|
| 2624 |
qpix_op[luma_xy](dest_y, src_y, s->linesize); //FIXME try variable height perhaps?
|
| 2625 |
if(!square){
|
| 2626 |
qpix_op[luma_xy](dest_y + delta, src_y + delta, s->linesize); |
| 2627 |
} |
| 2628 |
|
| 2629 |
if(s->flags&CODEC_FLAG_GRAY) return; |
| 2630 |
|
| 2631 |
if(emu){
|
| 2632 |
ff_emulated_edge_mc(s->edge_emu_buffer, src_cb, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1); |
| 2633 |
src_cb= s->edge_emu_buffer; |
| 2634 |
} |
| 2635 |
chroma_op(dest_cb, src_cb, s->uvlinesize, chroma_height, mx&7, my&7); |
| 2636 |
|
| 2637 |
if(emu){
|
| 2638 |
ff_emulated_edge_mc(s->edge_emu_buffer, src_cr, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1); |
| 2639 |
src_cr= s->edge_emu_buffer; |
| 2640 |
} |
| 2641 |
chroma_op(dest_cr, src_cr, s->uvlinesize, chroma_height, mx&7, my&7); |
| 2642 |
} |
| 2643 |
|
| 2644 |
static inline void mc_part_std(H264Context *h, int n, int square, int chroma_height, int delta, |
| 2645 |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 2646 |
int x_offset, int y_offset, |
| 2647 |
qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put, |
| 2648 |
qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg, |
| 2649 |
int list0, int list1){ |
| 2650 |
MpegEncContext * const s = &h->s;
|
| 2651 |
qpel_mc_func *qpix_op= qpix_put; |
| 2652 |
h264_chroma_mc_func chroma_op= chroma_put; |
| 2653 |
|
| 2654 |
dest_y += 2*x_offset + 2*y_offset*s-> linesize; |
| 2655 |
dest_cb += x_offset + y_offset*s->uvlinesize; |
| 2656 |
dest_cr += x_offset + y_offset*s->uvlinesize; |
| 2657 |
x_offset += 8*s->mb_x;
|
| 2658 |
y_offset += 8*s->mb_y;
|
| 2659 |
|
| 2660 |
if(list0){
|
| 2661 |
Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ]; |
| 2662 |
mc_dir_part(h, ref, n, square, chroma_height, delta, 0,
|
| 2663 |
dest_y, dest_cb, dest_cr, x_offset, y_offset, |
| 2664 |
qpix_op, chroma_op); |
| 2665 |
|
| 2666 |
qpix_op= qpix_avg; |
| 2667 |
chroma_op= chroma_avg; |
| 2668 |
} |
| 2669 |
|
| 2670 |
if(list1){
|
| 2671 |
Picture *ref= &h->ref_list[1][ h->ref_cache[1][ scan8[n] ] ]; |
| 2672 |
mc_dir_part(h, ref, n, square, chroma_height, delta, 1,
|
| 2673 |
dest_y, dest_cb, dest_cr, x_offset, y_offset, |
| 2674 |
qpix_op, chroma_op); |
| 2675 |
} |
| 2676 |
} |
| 2677 |
|
| 2678 |
static inline void mc_part_weighted(H264Context *h, int n, int square, int chroma_height, int delta, |
| 2679 |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 2680 |
int x_offset, int y_offset, |
| 2681 |
qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put, |
| 2682 |
h264_weight_func luma_weight_op, h264_weight_func chroma_weight_op, |
| 2683 |
h264_biweight_func luma_weight_avg, h264_biweight_func chroma_weight_avg, |
| 2684 |
int list0, int list1){ |
| 2685 |
MpegEncContext * const s = &h->s;
|
| 2686 |
|
| 2687 |
dest_y += 2*x_offset + 2*y_offset*s-> linesize; |
| 2688 |
dest_cb += x_offset + y_offset*s->uvlinesize; |
| 2689 |
dest_cr += x_offset + y_offset*s->uvlinesize; |
| 2690 |
x_offset += 8*s->mb_x;
|
| 2691 |
y_offset += 8*s->mb_y;
|
| 2692 |
|
| 2693 |
if(list0 && list1){
|
| 2694 |
/* don't optimize for luma-only case, since B-frames usually
|
| 2695 |
* use implicit weights => chroma too. */
|
| 2696 |
uint8_t *tmp_cb = s->obmc_scratchpad; |
| 2697 |
uint8_t *tmp_cr = tmp_cb + 8*s->uvlinesize;
|
| 2698 |
uint8_t *tmp_y = tmp_cr + 8*s->uvlinesize;
|
| 2699 |
int refn0 = h->ref_cache[0][ scan8[n] ]; |
| 2700 |
int refn1 = h->ref_cache[1][ scan8[n] ]; |
| 2701 |
|
| 2702 |
mc_dir_part(h, &h->ref_list[0][refn0], n, square, chroma_height, delta, 0, |
| 2703 |
dest_y, dest_cb, dest_cr, |
| 2704 |
x_offset, y_offset, qpix_put, chroma_put); |
| 2705 |
mc_dir_part(h, &h->ref_list[1][refn1], n, square, chroma_height, delta, 1, |
| 2706 |
tmp_y, tmp_cb, tmp_cr, |
| 2707 |
x_offset, y_offset, qpix_put, chroma_put); |
| 2708 |
|
| 2709 |
if(h->use_weight == 2){ |
| 2710 |
int weight0 = h->implicit_weight[refn0][refn1];
|
| 2711 |
int weight1 = 64 - weight0; |
| 2712 |
luma_weight_avg( dest_y, tmp_y, s-> linesize, 5, weight0, weight1, 0); |
| 2713 |
chroma_weight_avg(dest_cb, tmp_cb, s->uvlinesize, 5, weight0, weight1, 0); |
| 2714 |
chroma_weight_avg(dest_cr, tmp_cr, s->uvlinesize, 5, weight0, weight1, 0); |
| 2715 |
}else{
|
| 2716 |
luma_weight_avg(dest_y, tmp_y, s->linesize, h->luma_log2_weight_denom, |
| 2717 |
h->luma_weight[0][refn0], h->luma_weight[1][refn1], |
| 2718 |
h->luma_offset[0][refn0] + h->luma_offset[1][refn1]); |
| 2719 |
chroma_weight_avg(dest_cb, tmp_cb, s->uvlinesize, h->chroma_log2_weight_denom, |
| 2720 |
h->chroma_weight[0][refn0][0], h->chroma_weight[1][refn1][0], |
| 2721 |
h->chroma_offset[0][refn0][0] + h->chroma_offset[1][refn1][0]); |
| 2722 |
chroma_weight_avg(dest_cr, tmp_cr, s->uvlinesize, h->chroma_log2_weight_denom, |
| 2723 |
h->chroma_weight[0][refn0][1], h->chroma_weight[1][refn1][1], |
| 2724 |
h->chroma_offset[0][refn0][1] + h->chroma_offset[1][refn1][1]); |
| 2725 |
} |
| 2726 |
}else{
|
| 2727 |
int list = list1 ? 1 : 0; |
| 2728 |
int refn = h->ref_cache[list][ scan8[n] ];
|
| 2729 |
Picture *ref= &h->ref_list[list][refn]; |
| 2730 |
mc_dir_part(h, ref, n, square, chroma_height, delta, list, |
| 2731 |
dest_y, dest_cb, dest_cr, x_offset, y_offset, |
| 2732 |
qpix_put, chroma_put); |
| 2733 |
|
| 2734 |
luma_weight_op(dest_y, s->linesize, h->luma_log2_weight_denom, |
| 2735 |
h->luma_weight[list][refn], h->luma_offset[list][refn]); |
| 2736 |
if(h->use_weight_chroma){
|
| 2737 |
chroma_weight_op(dest_cb, s->uvlinesize, h->chroma_log2_weight_denom, |
| 2738 |
h->chroma_weight[list][refn][0], h->chroma_offset[list][refn][0]); |
| 2739 |
chroma_weight_op(dest_cr, s->uvlinesize, h->chroma_log2_weight_denom, |
| 2740 |
h->chroma_weight[list][refn][1], h->chroma_offset[list][refn][1]); |
| 2741 |
} |
| 2742 |
} |
| 2743 |
} |
| 2744 |
|
| 2745 |
static inline void mc_part(H264Context *h, int n, int square, int chroma_height, int delta, |
| 2746 |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 2747 |
int x_offset, int y_offset, |
| 2748 |
qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put, |
| 2749 |
qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg, |
| 2750 |
h264_weight_func *weight_op, h264_biweight_func *weight_avg, |
| 2751 |
int list0, int list1){ |
| 2752 |
if((h->use_weight==2 && list0 && list1 |
| 2753 |
&& (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ] != 32)) |
| 2754 |
|| h->use_weight==1)
|
| 2755 |
mc_part_weighted(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr, |
| 2756 |
x_offset, y_offset, qpix_put, chroma_put, |
| 2757 |
weight_op[0], weight_op[3], weight_avg[0], weight_avg[3], list0, list1); |
| 2758 |
else
|
| 2759 |
mc_part_std(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr, |
| 2760 |
x_offset, y_offset, qpix_put, chroma_put, qpix_avg, chroma_avg, list0, list1); |
| 2761 |
} |
| 2762 |
|
| 2763 |
static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
| 2764 |
qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),
|
| 2765 |
qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),
|
| 2766 |
h264_weight_func *weight_op, h264_biweight_func *weight_avg){
|
| 2767 |
MpegEncContext * const s = &h->s;
|
| 2768 |
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride; |
| 2769 |
const int mb_type= s->current_picture.mb_type[mb_xy]; |
| 2770 |
|
| 2771 |
assert(IS_INTER(mb_type)); |
| 2772 |
|
| 2773 |
if(IS_16X16(mb_type)){
|
| 2774 |
mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0, |
| 2775 |
qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0], |
| 2776 |
&weight_op[0], &weight_avg[0], |
| 2777 |
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1)); |
| 2778 |
}else if(IS_16X8(mb_type)){ |
| 2779 |
mc_part(h, 0, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 0, |
| 2780 |
qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0], |
| 2781 |
&weight_op[1], &weight_avg[1], |
| 2782 |
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1)); |
| 2783 |
mc_part(h, 8, 0, 4, 8, dest_y, dest_cb, dest_cr, 0, 4, |
| 2784 |
qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0], |
| 2785 |
&weight_op[1], &weight_avg[1], |
| 2786 |
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1)); |
| 2787 |
}else if(IS_8X16(mb_type)){ |
| 2788 |
mc_part(h, 0, 0, 8, 8*s->linesize, dest_y, dest_cb, dest_cr, 0, 0, |
| 2789 |
qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1], |
| 2790 |
&weight_op[2], &weight_avg[2], |
| 2791 |
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1)); |
| 2792 |
mc_part(h, 4, 0, 8, 8*s->linesize, dest_y, dest_cb, dest_cr, 4, 0, |
| 2793 |
qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1], |
| 2794 |
&weight_op[2], &weight_avg[2], |
| 2795 |
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1)); |
| 2796 |
}else{
|
| 2797 |
int i;
|
| 2798 |
|
| 2799 |
assert(IS_8X8(mb_type)); |
| 2800 |
|
| 2801 |
for(i=0; i<4; i++){ |
| 2802 |
const int sub_mb_type= h->sub_mb_type[i]; |
| 2803 |
const int n= 4*i; |
| 2804 |
int x_offset= (i&1)<<2; |
| 2805 |
int y_offset= (i&2)<<1; |
| 2806 |
|
| 2807 |
if(IS_SUB_8X8(sub_mb_type)){
|
| 2808 |
mc_part(h, n, 1, 4, 0, dest_y, dest_cb, dest_cr, x_offset, y_offset, |
| 2809 |
qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1], |
| 2810 |
&weight_op[3], &weight_avg[3], |
| 2811 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| 2812 |
}else if(IS_SUB_8X4(sub_mb_type)){ |
| 2813 |
mc_part(h, n , 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset, |
| 2814 |
qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1], |
| 2815 |
&weight_op[4], &weight_avg[4], |
| 2816 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| 2817 |
mc_part(h, n+2, 0, 2, 4, dest_y, dest_cb, dest_cr, x_offset, y_offset+2, |
| 2818 |
qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1], |
| 2819 |
&weight_op[4], &weight_avg[4], |
| 2820 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| 2821 |
}else if(IS_SUB_4X8(sub_mb_type)){ |
| 2822 |
mc_part(h, n , 0, 4, 4*s->linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset, |
| 2823 |
qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2], |
| 2824 |
&weight_op[5], &weight_avg[5], |
| 2825 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| 2826 |
mc_part(h, n+1, 0, 4, 4*s->linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset, |
| 2827 |
qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2], |
| 2828 |
&weight_op[5], &weight_avg[5], |
| 2829 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| 2830 |
}else{
|
| 2831 |
int j;
|
| 2832 |
assert(IS_SUB_4X4(sub_mb_type)); |
| 2833 |
for(j=0; j<4; j++){ |
| 2834 |
int sub_x_offset= x_offset + 2*(j&1); |
| 2835 |
int sub_y_offset= y_offset + (j&2); |
| 2836 |
mc_part(h, n+j, 1, 2, 0, dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset, |
| 2837 |
qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2], |
| 2838 |
&weight_op[6], &weight_avg[6], |
| 2839 |
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1)); |
| 2840 |
} |
| 2841 |
} |
| 2842 |
} |
| 2843 |
} |
| 2844 |
} |
| 2845 |
|
| 2846 |
static void decode_init_vlc(H264Context *h){ |
| 2847 |
static int done = 0; |
| 2848 |
|
| 2849 |
if (!done) {
|
| 2850 |
int i;
|
| 2851 |
done = 1;
|
| 2852 |
|
| 2853 |
init_vlc(&chroma_dc_coeff_token_vlc, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 4*5, |
| 2854 |
&chroma_dc_coeff_token_len [0], 1, 1, |
| 2855 |
&chroma_dc_coeff_token_bits[0], 1, 1, 1); |
| 2856 |
|
| 2857 |
for(i=0; i<4; i++){ |
| 2858 |
init_vlc(&coeff_token_vlc[i], COEFF_TOKEN_VLC_BITS, 4*17, |
| 2859 |
&coeff_token_len [i][0], 1, 1, |
| 2860 |
&coeff_token_bits[i][0], 1, 1, 1); |
| 2861 |
} |
| 2862 |
|
| 2863 |
for(i=0; i<3; i++){ |
| 2864 |
init_vlc(&chroma_dc_total_zeros_vlc[i], CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 4,
|
| 2865 |
&chroma_dc_total_zeros_len [i][0], 1, 1, |
| 2866 |
&chroma_dc_total_zeros_bits[i][0], 1, 1, 1); |
| 2867 |
} |
| 2868 |
for(i=0; i<15; i++){ |
| 2869 |
init_vlc(&total_zeros_vlc[i], TOTAL_ZEROS_VLC_BITS, 16,
|
| 2870 |
&total_zeros_len [i][0], 1, 1, |
| 2871 |
&total_zeros_bits[i][0], 1, 1, 1); |
| 2872 |
} |
| 2873 |
|
| 2874 |
for(i=0; i<6; i++){ |
| 2875 |
init_vlc(&run_vlc[i], RUN_VLC_BITS, 7,
|
| 2876 |
&run_len [i][0], 1, 1, |
| 2877 |
&run_bits[i][0], 1, 1, 1); |
| 2878 |
} |
| 2879 |
init_vlc(&run7_vlc, RUN7_VLC_BITS, 16,
|
| 2880 |
&run_len [6][0], 1, 1, |
| 2881 |
&run_bits[6][0], 1, 1, 1); |
| 2882 |
} |
| 2883 |
} |
| 2884 |
|
| 2885 |
/**
|
| 2886 |
* Sets the intra prediction function pointers.
|
| 2887 |
*/
|
| 2888 |
static void init_pred_ptrs(H264Context *h){ |
| 2889 |
// MpegEncContext * const s = &h->s;
|
| 2890 |
|
| 2891 |
h->pred4x4[VERT_PRED ]= pred4x4_vertical_c; |
| 2892 |
h->pred4x4[HOR_PRED ]= pred4x4_horizontal_c; |
| 2893 |
h->pred4x4[DC_PRED ]= pred4x4_dc_c; |
| 2894 |
h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_c; |
| 2895 |
h->pred4x4[DIAG_DOWN_RIGHT_PRED]= pred4x4_down_right_c; |
| 2896 |
h->pred4x4[VERT_RIGHT_PRED ]= pred4x4_vertical_right_c; |
| 2897 |
h->pred4x4[HOR_DOWN_PRED ]= pred4x4_horizontal_down_c; |
| 2898 |
h->pred4x4[VERT_LEFT_PRED ]= pred4x4_vertical_left_c; |
| 2899 |
h->pred4x4[HOR_UP_PRED ]= pred4x4_horizontal_up_c; |
| 2900 |
h->pred4x4[LEFT_DC_PRED ]= pred4x4_left_dc_c; |
| 2901 |
h->pred4x4[TOP_DC_PRED ]= pred4x4_top_dc_c; |
| 2902 |
h->pred4x4[DC_128_PRED ]= pred4x4_128_dc_c; |
| 2903 |
|
| 2904 |
h->pred8x8l[VERT_PRED ]= pred8x8l_vertical_c; |
| 2905 |
h->pred8x8l[HOR_PRED ]= pred8x8l_horizontal_c; |
| 2906 |
h->pred8x8l[DC_PRED ]= pred8x8l_dc_c; |
| 2907 |
h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= pred8x8l_down_left_c; |
| 2908 |
h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= pred8x8l_down_right_c; |
| 2909 |
h->pred8x8l[VERT_RIGHT_PRED ]= pred8x8l_vertical_right_c; |
| 2910 |
h->pred8x8l[HOR_DOWN_PRED ]= pred8x8l_horizontal_down_c; |
| 2911 |
h->pred8x8l[VERT_LEFT_PRED ]= pred8x8l_vertical_left_c; |
| 2912 |
h->pred8x8l[HOR_UP_PRED ]= pred8x8l_horizontal_up_c; |
| 2913 |
h->pred8x8l[LEFT_DC_PRED ]= pred8x8l_left_dc_c; |
| 2914 |
h->pred8x8l[TOP_DC_PRED ]= pred8x8l_top_dc_c; |
| 2915 |
h->pred8x8l[DC_128_PRED ]= pred8x8l_128_dc_c; |
| 2916 |
|
| 2917 |
h->pred8x8[DC_PRED8x8 ]= pred8x8_dc_c; |
| 2918 |
h->pred8x8[VERT_PRED8x8 ]= pred8x8_vertical_c; |
| 2919 |
h->pred8x8[HOR_PRED8x8 ]= pred8x8_horizontal_c; |
| 2920 |
h->pred8x8[PLANE_PRED8x8 ]= pred8x8_plane_c; |
| 2921 |
h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_c; |
| 2922 |
h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_c; |
| 2923 |
h->pred8x8[DC_128_PRED8x8 ]= pred8x8_128_dc_c; |
| 2924 |
|
| 2925 |
h->pred16x16[DC_PRED8x8 ]= pred16x16_dc_c; |
| 2926 |
h->pred16x16[VERT_PRED8x8 ]= pred16x16_vertical_c; |
| 2927 |
h->pred16x16[HOR_PRED8x8 ]= pred16x16_horizontal_c; |
| 2928 |
h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_c; |
| 2929 |
h->pred16x16[LEFT_DC_PRED8x8]= pred16x16_left_dc_c; |
| 2930 |
h->pred16x16[TOP_DC_PRED8x8 ]= pred16x16_top_dc_c; |
| 2931 |
h->pred16x16[DC_128_PRED8x8 ]= pred16x16_128_dc_c; |
| 2932 |
} |
| 2933 |
|
| 2934 |
static void free_tables(H264Context *h){ |
| 2935 |
av_freep(&h->intra4x4_pred_mode); |
| 2936 |
av_freep(&h->chroma_pred_mode_table); |
| 2937 |
av_freep(&h->cbp_table); |
| 2938 |
av_freep(&h->mvd_table[0]);
|
| 2939 |
av_freep(&h->mvd_table[1]);
|
| 2940 |
av_freep(&h->direct_table); |
| 2941 |
av_freep(&h->non_zero_count); |
| 2942 |
av_freep(&h->slice_table_base); |
| 2943 |
av_freep(&h->top_borders[1]);
|
| 2944 |
av_freep(&h->top_borders[0]);
|
| 2945 |
h->slice_table= NULL;
|
| 2946 |
|
| 2947 |
av_freep(&h->mb2b_xy); |
| 2948 |
av_freep(&h->mb2b8_xy); |
| 2949 |
|
| 2950 |
av_freep(&h->s.obmc_scratchpad); |
| 2951 |
} |
| 2952 |
|
| 2953 |
static void init_dequant8_coeff_table(H264Context *h){ |
| 2954 |
int i,q,x;
|
| 2955 |
h->dequant8_coeff[0] = h->dequant8_buffer[0]; |
| 2956 |
h->dequant8_coeff[1] = h->dequant8_buffer[1]; |
| 2957 |
|
| 2958 |
for(i=0; i<2; i++ ){ |
| 2959 |
if(i && !memcmp(h->pps.scaling_matrix8[0], h->pps.scaling_matrix8[1], 64*sizeof(uint8_t))){ |
| 2960 |
h->dequant8_coeff[1] = h->dequant8_buffer[0]; |
| 2961 |
break;
|
| 2962 |
} |
| 2963 |
|
| 2964 |
for(q=0; q<52; q++){ |
| 2965 |
int shift = div6[q];
|
| 2966 |
int idx = rem6[q];
|
| 2967 |
for(x=0; x<64; x++) |
| 2968 |
h->dequant8_coeff[i][q][x] = ((uint32_t)dequant8_coeff_init[idx][ |
| 2969 |
dequant8_coeff_init_scan[((x>>1)&12) | (x&3)] ] * h->pps.scaling_matrix8[i][x]) << shift; |
| 2970 |
} |
| 2971 |
} |
| 2972 |
} |
| 2973 |
|
| 2974 |
static void init_dequant4_coeff_table(H264Context *h){ |
| 2975 |
int i,j,q,x;
|
| 2976 |
const int transpose = (h->s.dsp.h264_idct_add != ff_h264_idct_add_c); //FIXME ugly |
| 2977 |
for(i=0; i<6; i++ ){ |
| 2978 |
h->dequant4_coeff[i] = h->dequant4_buffer[i]; |
| 2979 |
for(j=0; j<i; j++){ |
| 2980 |
if(!memcmp(h->pps.scaling_matrix4[j], h->pps.scaling_matrix4[i], 16*sizeof(uint8_t))){ |
| 2981 |
h->dequant4_coeff[i] = h->dequant4_buffer[j]; |
| 2982 |
break;
|
| 2983 |
} |
| 2984 |
} |
| 2985 |
if(j<i)
|
| 2986 |
continue;
|
| 2987 |
|
| 2988 |
for(q=0; q<52; q++){ |
| 2989 |
int shift = div6[q] + 2; |
| 2990 |
int idx = rem6[q];
|
| 2991 |
for(x=0; x<16; x++) |
| 2992 |
h->dequant4_coeff[i][q][transpose ? (x>>2)|((x<<2)&0xF) : x] = |
| 2993 |
((uint32_t)dequant4_coeff_init[idx][(x&1) + ((x>>2)&1)] * |
| 2994 |
h->pps.scaling_matrix4[i][x]) << shift; |
| 2995 |
} |
| 2996 |
} |
| 2997 |
} |
| 2998 |
|
| 2999 |
static void init_dequant_tables(H264Context *h){ |
| 3000 |
int i,x;
|
| 3001 |
init_dequant4_coeff_table(h); |
| 3002 |
if(h->pps.transform_8x8_mode)
|
| 3003 |
init_dequant8_coeff_table(h); |
| 3004 |
if(h->sps.transform_bypass){
|
| 3005 |
for(i=0; i<6; i++) |
| 3006 |
for(x=0; x<16; x++) |
| 3007 |
h->dequant4_coeff[i][0][x] = 1<<6; |
| 3008 |
if(h->pps.transform_8x8_mode)
|
| 3009 |
for(i=0; i<2; i++) |
| 3010 |
for(x=0; x<64; x++) |
| 3011 |
h->dequant8_coeff[i][0][x] = 1<<6; |
| 3012 |
} |
| 3013 |
} |
| 3014 |
|
| 3015 |
|
| 3016 |
/**
|
| 3017 |
* allocates tables.
|
| 3018 |
* needs width/height
|
| 3019 |
*/
|
| 3020 |
static int alloc_tables(H264Context *h){ |
| 3021 |
MpegEncContext * const s = &h->s;
|
| 3022 |
const int big_mb_num= s->mb_stride * (s->mb_height+1); |
| 3023 |
int x,y;
|
| 3024 |
|
| 3025 |
CHECKED_ALLOCZ(h->intra4x4_pred_mode, big_mb_num * 8 * sizeof(uint8_t)) |
| 3026 |
|
| 3027 |
CHECKED_ALLOCZ(h->non_zero_count , big_mb_num * 16 * sizeof(uint8_t)) |
| 3028 |
CHECKED_ALLOCZ(h->slice_table_base , big_mb_num * sizeof(uint8_t))
|
| 3029 |
CHECKED_ALLOCZ(h->top_borders[0] , s->mb_width * (16+8+8) * sizeof(uint8_t)) |
| 3030 |
CHECKED_ALLOCZ(h->top_borders[1] , s->mb_width * (16+8+8) * sizeof(uint8_t)) |
| 3031 |
CHECKED_ALLOCZ(h->cbp_table, big_mb_num * sizeof(uint16_t))
|
| 3032 |
|
| 3033 |
if( h->pps.cabac ) {
|
| 3034 |
CHECKED_ALLOCZ(h->chroma_pred_mode_table, big_mb_num * sizeof(uint8_t))
|
| 3035 |
CHECKED_ALLOCZ(h->mvd_table[0], 32*big_mb_num * sizeof(uint16_t)); |
| 3036 |
CHECKED_ALLOCZ(h->mvd_table[1], 32*big_mb_num * sizeof(uint16_t)); |
| 3037 |
CHECKED_ALLOCZ(h->direct_table, 32*big_mb_num * sizeof(uint8_t)); |
| 3038 |
} |
| 3039 |
|
| 3040 |
memset(h->slice_table_base, -1, big_mb_num * sizeof(uint8_t)); |
| 3041 |
h->slice_table= h->slice_table_base + s->mb_stride + 1;
|
| 3042 |
|
| 3043 |
CHECKED_ALLOCZ(h->mb2b_xy , big_mb_num * sizeof(uint32_t));
|
| 3044 |
CHECKED_ALLOCZ(h->mb2b8_xy , big_mb_num * sizeof(uint32_t));
|
| 3045 |
for(y=0; y<s->mb_height; y++){ |
| 3046 |
for(x=0; x<s->mb_width; x++){ |
| 3047 |
const int mb_xy= x + y*s->mb_stride; |
| 3048 |
const int b_xy = 4*x + 4*y*h->b_stride; |
| 3049 |
const int b8_xy= 2*x + 2*y*h->b8_stride; |
| 3050 |
|
| 3051 |
h->mb2b_xy [mb_xy]= b_xy; |
| 3052 |
h->mb2b8_xy[mb_xy]= b8_xy; |
| 3053 |
} |
| 3054 |
} |
| 3055 |
|
| 3056 |
s->obmc_scratchpad = NULL;
|
| 3057 |
|
| 3058 |
if(!h->dequant4_coeff[0]) |
| 3059 |
init_dequant_tables(h); |
| 3060 |
|
| 3061 |
return 0; |
| 3062 |
fail:
|
| 3063 |
free_tables(h); |
| 3064 |
return -1; |
| 3065 |
} |
| 3066 |
|
| 3067 |
static void common_init(H264Context *h){ |
| 3068 |
MpegEncContext * const s = &h->s;
|
| 3069 |
|
| 3070 |
s->width = s->avctx->width; |
| 3071 |
s->height = s->avctx->height; |
| 3072 |
s->codec_id= s->avctx->codec->id; |
| 3073 |
|
| 3074 |
init_pred_ptrs(h); |
| 3075 |
|
| 3076 |
h->dequant_coeff_pps= -1;
|
| 3077 |
s->unrestricted_mv=1;
|
| 3078 |
s->decode=1; //FIXME |
| 3079 |
|
| 3080 |
memset(h->pps.scaling_matrix4, 16, 6*16*sizeof(uint8_t)); |
| 3081 |
memset(h->pps.scaling_matrix8, 16, 2*64*sizeof(uint8_t)); |
| 3082 |
} |
| 3083 |
|
| 3084 |
static int decode_init(AVCodecContext *avctx){ |
| 3085 |
H264Context *h= avctx->priv_data; |
| 3086 |
MpegEncContext * const s = &h->s;
|
| 3087 |
|
| 3088 |
MPV_decode_defaults(s); |
| 3089 |
|
| 3090 |
s->avctx = avctx; |
| 3091 |
common_init(h); |
| 3092 |
|
| 3093 |
s->out_format = FMT_H264; |
| 3094 |
s->workaround_bugs= avctx->workaround_bugs; |
| 3095 |
|
| 3096 |
// set defaults
|
| 3097 |
// s->decode_mb= ff_h263_decode_mb;
|
| 3098 |
s->low_delay= 1;
|
| 3099 |
avctx->pix_fmt= PIX_FMT_YUV420P; |
| 3100 |
|
| 3101 |
decode_init_vlc(h); |
| 3102 |
|
| 3103 |
if(avctx->extradata_size > 0 && avctx->extradata && |
| 3104 |
*(char *)avctx->extradata == 1){ |
| 3105 |
h->is_avc = 1;
|
| 3106 |
h->got_avcC = 0;
|
| 3107 |
} else {
|
| 3108 |
h->is_avc = 0;
|
| 3109 |
} |
| 3110 |
|
| 3111 |
return 0; |
| 3112 |
} |
| 3113 |
|
| 3114 |
static int frame_start(H264Context *h){ |
| 3115 |
MpegEncContext * const s = &h->s;
|
| 3116 |
int i;
|
| 3117 |
|
| 3118 |
if(MPV_frame_start(s, s->avctx) < 0) |
| 3119 |
return -1; |
| 3120 |
ff_er_frame_start(s); |
| 3121 |
|
| 3122 |
assert(s->linesize && s->uvlinesize); |
| 3123 |
|
| 3124 |
for(i=0; i<16; i++){ |
| 3125 |
h->block_offset[i]= 4*((scan8[i] - scan8[0])&7) + 4*s->linesize*((scan8[i] - scan8[0])>>3); |
| 3126 |
h->block_offset[24+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->linesize*((scan8[i] - scan8[0])>>3); |
| 3127 |
} |
| 3128 |
for(i=0; i<4; i++){ |
| 3129 |
h->block_offset[16+i]=
|
| 3130 |
h->block_offset[20+i]= 4*((scan8[i] - scan8[0])&7) + 4*s->uvlinesize*((scan8[i] - scan8[0])>>3); |
| 3131 |
h->block_offset[24+16+i]= |
| 3132 |
h->block_offset[24+20+i]= 4*((scan8[i] - scan8[0])&7) + 8*s->uvlinesize*((scan8[i] - scan8[0])>>3); |
| 3133 |
} |
| 3134 |
|
| 3135 |
/* can't be in alloc_tables because linesize isn't known there.
|
| 3136 |
* FIXME: redo bipred weight to not require extra buffer? */
|
| 3137 |
if(!s->obmc_scratchpad)
|
| 3138 |
s->obmc_scratchpad = av_malloc(16*s->linesize + 2*8*s->uvlinesize); |
| 3139 |
|
| 3140 |
// s->decode= (s->flags&CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.reference /*|| h->contains_intra*/ || 1;
|
| 3141 |
return 0; |
| 3142 |
} |
| 3143 |
|
| 3144 |
static inline void backup_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){ |
| 3145 |
MpegEncContext * const s = &h->s;
|
| 3146 |
int i;
|
| 3147 |
|
| 3148 |
src_y -= linesize; |
| 3149 |
src_cb -= uvlinesize; |
| 3150 |
src_cr -= uvlinesize; |
| 3151 |
|
| 3152 |
// There are two lines saved, the line above the the top macroblock of a pair,
|
| 3153 |
// and the line above the bottom macroblock
|
| 3154 |
h->left_border[0]= h->top_borders[0][s->mb_x][15]; |
| 3155 |
for(i=1; i<17; i++){ |
| 3156 |
h->left_border[i]= src_y[15+i* linesize];
|
| 3157 |
} |
| 3158 |
|
| 3159 |
*(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y + 16*linesize); |
| 3160 |
*(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+16*linesize); |
| 3161 |
|
| 3162 |
if(!(s->flags&CODEC_FLAG_GRAY)){
|
| 3163 |
h->left_border[17 ]= h->top_borders[0][s->mb_x][16+7]; |
| 3164 |
h->left_border[17+9]= h->top_borders[0][s->mb_x][24+7]; |
| 3165 |
for(i=1; i<9; i++){ |
| 3166 |
h->left_border[i+17 ]= src_cb[7+i*uvlinesize]; |
| 3167 |
h->left_border[i+17+9]= src_cr[7+i*uvlinesize]; |
| 3168 |
} |
| 3169 |
*(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+8*uvlinesize); |
| 3170 |
*(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+8*uvlinesize); |
| 3171 |
} |
| 3172 |
} |
| 3173 |
|
| 3174 |
static inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){ |
| 3175 |
MpegEncContext * const s = &h->s;
|
| 3176 |
int temp8, i;
|
| 3177 |
uint64_t temp64; |
| 3178 |
int deblock_left = (s->mb_x > 0); |
| 3179 |
int deblock_top = (s->mb_y > 0); |
| 3180 |
|
| 3181 |
src_y -= linesize + 1;
|
| 3182 |
src_cb -= uvlinesize + 1;
|
| 3183 |
src_cr -= uvlinesize + 1;
|
| 3184 |
|
| 3185 |
#define XCHG(a,b,t,xchg)\
|
| 3186 |
t= a;\ |
| 3187 |
if(xchg)\
|
| 3188 |
a= b;\ |
| 3189 |
b= t; |
| 3190 |
|
| 3191 |
if(deblock_left){
|
| 3192 |
for(i = !deblock_top; i<17; i++){ |
| 3193 |
XCHG(h->left_border[i ], src_y [i* linesize], temp8, xchg); |
| 3194 |
} |
| 3195 |
} |
| 3196 |
|
| 3197 |
if(deblock_top){
|
| 3198 |
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg); |
| 3199 |
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1); |
| 3200 |
if(s->mb_x+1 < s->mb_width){ |
| 3201 |
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x+1]), *(uint64_t*)(src_y +17), temp64, 1); |
| 3202 |
} |
| 3203 |
} |
| 3204 |
|
| 3205 |
if(!(s->flags&CODEC_FLAG_GRAY)){
|
| 3206 |
if(deblock_left){
|
| 3207 |
for(i = !deblock_top; i<9; i++){ |
| 3208 |
XCHG(h->left_border[i+17 ], src_cb[i*uvlinesize], temp8, xchg);
|
| 3209 |
XCHG(h->left_border[i+17+9], src_cr[i*uvlinesize], temp8, xchg); |
| 3210 |
} |
| 3211 |
} |
| 3212 |
if(deblock_top){
|
| 3213 |
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1); |
| 3214 |
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1); |
| 3215 |
} |
| 3216 |
} |
| 3217 |
} |
| 3218 |
|
| 3219 |
static inline void backup_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize){ |
| 3220 |
MpegEncContext * const s = &h->s;
|
| 3221 |
int i;
|
| 3222 |
|
| 3223 |
src_y -= 2 * linesize;
|
| 3224 |
src_cb -= 2 * uvlinesize;
|
| 3225 |
src_cr -= 2 * uvlinesize;
|
| 3226 |
|
| 3227 |
// There are two lines saved, the line above the the top macroblock of a pair,
|
| 3228 |
// and the line above the bottom macroblock
|
| 3229 |
h->left_border[0]= h->top_borders[0][s->mb_x][15]; |
| 3230 |
h->left_border[1]= h->top_borders[1][s->mb_x][15]; |
| 3231 |
for(i=2; i<34; i++){ |
| 3232 |
h->left_border[i]= src_y[15+i* linesize];
|
| 3233 |
} |
| 3234 |
|
| 3235 |
*(uint64_t*)(h->top_borders[0][s->mb_x]+0)= *(uint64_t*)(src_y + 32*linesize); |
| 3236 |
*(uint64_t*)(h->top_borders[0][s->mb_x]+8)= *(uint64_t*)(src_y +8+32*linesize); |
| 3237 |
*(uint64_t*)(h->top_borders[1][s->mb_x]+0)= *(uint64_t*)(src_y + 33*linesize); |
| 3238 |
*(uint64_t*)(h->top_borders[1][s->mb_x]+8)= *(uint64_t*)(src_y +8+33*linesize); |
| 3239 |
|
| 3240 |
if(!(s->flags&CODEC_FLAG_GRAY)){
|
| 3241 |
h->left_border[34 ]= h->top_borders[0][s->mb_x][16+7]; |
| 3242 |
h->left_border[34+ 1]= h->top_borders[1][s->mb_x][16+7]; |
| 3243 |
h->left_border[34+18 ]= h->top_borders[0][s->mb_x][24+7]; |
| 3244 |
h->left_border[34+18+1]= h->top_borders[1][s->mb_x][24+7]; |
| 3245 |
for(i=2; i<18; i++){ |
| 3246 |
h->left_border[i+34 ]= src_cb[7+i*uvlinesize]; |
| 3247 |
h->left_border[i+34+18]= src_cr[7+i*uvlinesize]; |
| 3248 |
} |
| 3249 |
*(uint64_t*)(h->top_borders[0][s->mb_x]+16)= *(uint64_t*)(src_cb+16*uvlinesize); |
| 3250 |
*(uint64_t*)(h->top_borders[0][s->mb_x]+24)= *(uint64_t*)(src_cr+16*uvlinesize); |
| 3251 |
*(uint64_t*)(h->top_borders[1][s->mb_x]+16)= *(uint64_t*)(src_cb+17*uvlinesize); |
| 3252 |
*(uint64_t*)(h->top_borders[1][s->mb_x]+24)= *(uint64_t*)(src_cr+17*uvlinesize); |
| 3253 |
} |
| 3254 |
} |
| 3255 |
|
| 3256 |
static inline void xchg_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg){ |
| 3257 |
MpegEncContext * const s = &h->s;
|
| 3258 |
int temp8, i;
|
| 3259 |
uint64_t temp64; |
| 3260 |
int deblock_left = (s->mb_x > 0); |
| 3261 |
int deblock_top = (s->mb_y > 0); |
| 3262 |
|
| 3263 |
tprintf("xchg_pair_border: src_y:%p src_cb:%p src_cr:%p ls:%d uvls:%d\n", src_y, src_cb, src_cr, linesize, uvlinesize);
|
| 3264 |
|
| 3265 |
src_y -= 2 * linesize + 1; |
| 3266 |
src_cb -= 2 * uvlinesize + 1; |
| 3267 |
src_cr -= 2 * uvlinesize + 1; |
| 3268 |
|
| 3269 |
#define XCHG(a,b,t,xchg)\
|
| 3270 |
t= a;\ |
| 3271 |
if(xchg)\
|
| 3272 |
a= b;\ |
| 3273 |
b= t; |
| 3274 |
|
| 3275 |
if(deblock_left){
|
| 3276 |
for(i = (!deblock_top)<<1; i<34; i++){ |
| 3277 |
XCHG(h->left_border[i ], src_y [i* linesize], temp8, xchg); |
| 3278 |
} |
| 3279 |
} |
| 3280 |
|
| 3281 |
if(deblock_top){
|
| 3282 |
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+0), *(uint64_t*)(src_y +1), temp64, xchg); |
| 3283 |
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1); |
| 3284 |
XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+0), *(uint64_t*)(src_y +1 +linesize), temp64, xchg); |
| 3285 |
XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+8), *(uint64_t*)(src_y +9 +linesize), temp64, 1); |
| 3286 |
} |
| 3287 |
|
| 3288 |
if(!(s->flags&CODEC_FLAG_GRAY)){
|
| 3289 |
if(deblock_left){
|
| 3290 |
for(i = (!deblock_top) << 1; i<18; i++){ |
| 3291 |
XCHG(h->left_border[i+34 ], src_cb[i*uvlinesize], temp8, xchg);
|
| 3292 |
XCHG(h->left_border[i+34+18], src_cr[i*uvlinesize], temp8, xchg); |
| 3293 |
} |
| 3294 |
} |
| 3295 |
if(deblock_top){
|
| 3296 |
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+16), *(uint64_t*)(src_cb+1), temp64, 1); |
| 3297 |
XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+24), *(uint64_t*)(src_cr+1), temp64, 1); |
| 3298 |
XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+16), *(uint64_t*)(src_cb+1 +uvlinesize), temp64, 1); |
| 3299 |
XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+24), *(uint64_t*)(src_cr+1 +uvlinesize), temp64, 1); |
| 3300 |
} |
| 3301 |
} |
| 3302 |
} |
| 3303 |
|
| 3304 |
static void hl_decode_mb(H264Context *h){ |
| 3305 |
MpegEncContext * const s = &h->s;
|
| 3306 |
const int mb_x= s->mb_x; |
| 3307 |
const int mb_y= s->mb_y; |
| 3308 |
const int mb_xy= mb_x + mb_y*s->mb_stride; |
| 3309 |
const int mb_type= s->current_picture.mb_type[mb_xy]; |
| 3310 |
uint8_t *dest_y, *dest_cb, *dest_cr; |
| 3311 |
int linesize, uvlinesize /*dct_offset*/; |
| 3312 |
int i;
|
| 3313 |
int *block_offset = &h->block_offset[0]; |
| 3314 |
const unsigned int bottom = mb_y & 1; |
| 3315 |
const int transform_bypass = (s->qscale == 0 && h->sps.transform_bypass); |
| 3316 |
void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride); |
| 3317 |
|
| 3318 |
if(!s->decode)
|
| 3319 |
return;
|
| 3320 |
|
| 3321 |
dest_y = s->current_picture.data[0] + (mb_y * 16* s->linesize ) + mb_x * 16; |
| 3322 |
dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8; |
| 3323 |
dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8; |
| 3324 |
|
| 3325 |
if (h->mb_field_decoding_flag) {
|
| 3326 |
linesize = s->linesize * 2;
|
| 3327 |
uvlinesize = s->uvlinesize * 2;
|
| 3328 |
block_offset = &h->block_offset[24];
|
| 3329 |
if(mb_y&1){ //FIXME move out of this func? |
| 3330 |
dest_y -= s->linesize*15;
|
| 3331 |
dest_cb-= s->uvlinesize*7;
|
| 3332 |
dest_cr-= s->uvlinesize*7;
|
| 3333 |
} |
| 3334 |
} else {
|
| 3335 |
linesize = s->linesize; |
| 3336 |
uvlinesize = s->uvlinesize; |
| 3337 |
// dct_offset = s->linesize * 16;
|
| 3338 |
} |
| 3339 |
|
| 3340 |
idct_add = transform_bypass |
| 3341 |
? IS_8x8DCT(mb_type) ? s->dsp.add_pixels8 : s->dsp.add_pixels4 |
| 3342 |
: IS_8x8DCT(mb_type) ? s->dsp.h264_idct8_add : s->dsp.h264_idct_add; |
| 3343 |
|
| 3344 |
if (IS_INTRA_PCM(mb_type)) {
|
| 3345 |
unsigned int x, y; |
| 3346 |
|
| 3347 |
// The pixels are stored in h->mb array in the same order as levels,
|
| 3348 |
// copy them in output in the correct order.
|
| 3349 |
for(i=0; i<16; i++) { |
| 3350 |
for (y=0; y<4; y++) { |
| 3351 |
for (x=0; x<4; x++) { |
| 3352 |
*(dest_y + block_offset[i] + y*linesize + x) = h->mb[i*16+y*4+x]; |
| 3353 |
} |
| 3354 |
} |
| 3355 |
} |
| 3356 |
for(i=16; i<16+4; i++) { |
| 3357 |
for (y=0; y<4; y++) { |
| 3358 |
for (x=0; x<4; x++) { |
| 3359 |
*(dest_cb + block_offset[i] + y*uvlinesize + x) = h->mb[i*16+y*4+x]; |
| 3360 |
} |
| 3361 |
} |
| 3362 |
} |
| 3363 |
for(i=20; i<20+4; i++) { |
| 3364 |
for (y=0; y<4; y++) { |
| 3365 |
for (x=0; x<4; x++) { |
| 3366 |
*(dest_cr + block_offset[i] + y*uvlinesize + x) = h->mb[i*16+y*4+x]; |
| 3367 |
} |
| 3368 |
} |
| 3369 |
} |
| 3370 |
} else {
|
| 3371 |
if(IS_INTRA(mb_type)){
|
| 3372 |
if(h->deblocking_filter) {
|
| 3373 |
if (h->mb_aff_frame) {
|
| 3374 |
if (!bottom)
|
| 3375 |
xchg_pair_border(h, dest_y, dest_cb, dest_cr, s->linesize, s->uvlinesize, 1);
|
| 3376 |
} else {
|
| 3377 |
xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1);
|
| 3378 |
} |
| 3379 |
} |
| 3380 |
|
| 3381 |
if(!(s->flags&CODEC_FLAG_GRAY)){
|
| 3382 |
h->pred8x8[ h->chroma_pred_mode ](dest_cb, uvlinesize); |
| 3383 |
h->pred8x8[ h->chroma_pred_mode ](dest_cr, uvlinesize); |
| 3384 |
} |
| 3385 |
|
| 3386 |
if(IS_INTRA4x4(mb_type)){
|
| 3387 |
if(!s->encoding){
|
| 3388 |
if(IS_8x8DCT(mb_type)){
|
| 3389 |
for(i=0; i<16; i+=4){ |
| 3390 |
uint8_t * const ptr= dest_y + block_offset[i];
|
| 3391 |
const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ]; |
| 3392 |
h->pred8x8l[ dir ](ptr, (h->topleft_samples_available<<i)&0x8000,
|
| 3393 |
(h->topright_samples_available<<(i+1))&0x8000, linesize); |
| 3394 |
if(h->non_zero_count_cache[ scan8[i] ])
|
| 3395 |
idct_add(ptr, h->mb + i*16, linesize);
|
| 3396 |
} |
| 3397 |
}else
|
| 3398 |
for(i=0; i<16; i++){ |
| 3399 |
uint8_t * const ptr= dest_y + block_offset[i];
|
| 3400 |
uint8_t *topright; |
| 3401 |
const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ]; |
| 3402 |
int tr;
|
| 3403 |
|
| 3404 |
if(dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED){
|
| 3405 |
const int topright_avail= (h->topright_samples_available<<i)&0x8000; |
| 3406 |
assert(mb_y || linesize <= block_offset[i]); |
| 3407 |
if(!topright_avail){
|
| 3408 |
tr= ptr[3 - linesize]*0x01010101; |
| 3409 |
topright= (uint8_t*) &tr; |
| 3410 |
}else
|
| 3411 |
topright= ptr + 4 - linesize;
|
| 3412 |
}else
|
| 3413 |
topright= NULL;
|
| 3414 |
|
| 3415 |
h->pred4x4[ dir ](ptr, topright, linesize); |
| 3416 |
if(h->non_zero_count_cache[ scan8[i] ]){
|
| 3417 |
if(s->codec_id == CODEC_ID_H264)
|
| 3418 |
idct_add(ptr, h->mb + i*16, linesize);
|
| 3419 |
else
|
| 3420 |
svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, 0); |
| 3421 |
} |
| 3422 |
} |
| 3423 |
} |
| 3424 |
}else{
|
| 3425 |
h->pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize); |
| 3426 |
if(s->codec_id == CODEC_ID_H264){
|
| 3427 |
if(!transform_bypass)
|
| 3428 |
h264_luma_dc_dequant_idct_c(h->mb, s->qscale, h->dequant4_coeff[IS_INTRA(mb_type) ? 0:3][s->qscale][0]); |
| 3429 |
}else
|
| 3430 |
svq3_luma_dc_dequant_idct_c(h->mb, s->qscale); |
| 3431 |
} |
| 3432 |
if(h->deblocking_filter) {
|
| 3433 |
if (h->mb_aff_frame) {
|
| 3434 |
if (bottom) {
|
| 3435 |
uint8_t *pair_dest_y = s->current_picture.data[0] + ((mb_y-1) * 16* s->linesize ) + mb_x * 16; |
| 3436 |
uint8_t *pair_dest_cb = s->current_picture.data[1] + ((mb_y-1) * 8 * s->uvlinesize) + mb_x * 8; |
| 3437 |
uint8_t *pair_dest_cr = s->current_picture.data[2] + ((mb_y-1) * 8 * s->uvlinesize) + mb_x * 8; |
| 3438 |
s->mb_y--; |
| 3439 |
xchg_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize, 0);
|
| 3440 |
s->mb_y++; |
| 3441 |
} |
| 3442 |
} else {
|
| 3443 |
xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0);
|
| 3444 |
} |
| 3445 |
} |
| 3446 |
}else if(s->codec_id == CODEC_ID_H264){ |
| 3447 |
hl_motion(h, dest_y, dest_cb, dest_cr, |
| 3448 |
s->dsp.put_h264_qpel_pixels_tab, s->dsp.put_h264_chroma_pixels_tab, |
| 3449 |
s->dsp.avg_h264_qpel_pixels_tab, s->dsp.avg_h264_chroma_pixels_tab, |
| 3450 |
s->dsp.weight_h264_pixels_tab, s->dsp.biweight_h264_pixels_tab); |
| 3451 |
} |
| 3452 |
|
| 3453 |
|
| 3454 |
if(!IS_INTRA4x4(mb_type)){
|
| 3455 |
if(s->codec_id == CODEC_ID_H264){
|
| 3456 |
const int di = IS_8x8DCT(mb_type) ? 4 : 1; |
| 3457 |
for(i=0; i<16; i+=di){ |
| 3458 |
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below |
| 3459 |
uint8_t * const ptr= dest_y + block_offset[i];
|
| 3460 |
idct_add(ptr, h->mb + i*16, linesize);
|
| 3461 |
} |
| 3462 |
} |
| 3463 |
}else{
|
| 3464 |
for(i=0; i<16; i++){ |
| 3465 |
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below |
| 3466 |
uint8_t * const ptr= dest_y + block_offset[i];
|
| 3467 |
svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, IS_INTRA(mb_type) ? 1 : 0); |
| 3468 |
} |
| 3469 |
} |
| 3470 |
} |
| 3471 |
} |
| 3472 |
|
| 3473 |
if(!(s->flags&CODEC_FLAG_GRAY)){
|
| 3474 |
idct_add = transform_bypass ? s->dsp.add_pixels4 : s->dsp.h264_idct_add; |
| 3475 |
if(!transform_bypass){
|
| 3476 |
chroma_dc_dequant_idct_c(h->mb + 16*16, h->chroma_qp, h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp][0]); |
| 3477 |
chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp][0]); |
| 3478 |
} |
| 3479 |
if(s->codec_id == CODEC_ID_H264){
|
| 3480 |
for(i=16; i<16+4; i++){ |
| 3481 |
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ |
| 3482 |
uint8_t * const ptr= dest_cb + block_offset[i];
|
| 3483 |
idct_add(ptr, h->mb + i*16, uvlinesize);
|
| 3484 |
} |
| 3485 |
} |
| 3486 |
for(i=20; i<20+4; i++){ |
| 3487 |
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ |
| 3488 |
uint8_t * const ptr= dest_cr + block_offset[i];
|
| 3489 |
idct_add(ptr, h->mb + i*16, uvlinesize);
|
| 3490 |
} |
| 3491 |
} |
| 3492 |
}else{
|
| 3493 |
for(i=16; i<16+4; i++){ |
| 3494 |
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ |
| 3495 |
uint8_t * const ptr= dest_cb + block_offset[i];
|
| 3496 |
svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, chroma_qp[s->qscale + 12] - 12, 2); |
| 3497 |
} |
| 3498 |
} |
| 3499 |
for(i=20; i<20+4; i++){ |
| 3500 |
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ |
| 3501 |
uint8_t * const ptr= dest_cr + block_offset[i];
|
| 3502 |
svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, chroma_qp[s->qscale + 12] - 12, 2); |
| 3503 |
} |
| 3504 |
} |
| 3505 |
} |
| 3506 |
} |
| 3507 |
} |
| 3508 |
if(h->deblocking_filter) {
|
| 3509 |
if (h->mb_aff_frame) {
|
| 3510 |
const int mb_y = s->mb_y - 1; |
| 3511 |
uint8_t *pair_dest_y, *pair_dest_cb, *pair_dest_cr; |
| 3512 |
const int mb_xy= mb_x + mb_y*s->mb_stride; |
| 3513 |
const int mb_type_top = s->current_picture.mb_type[mb_xy]; |
| 3514 |
const int mb_type_bottom= s->current_picture.mb_type[mb_xy+s->mb_stride]; |
| 3515 |
uint8_t tmp = s->current_picture.data[1][384]; |
| 3516 |
if (!bottom) return; |
| 3517 |
pair_dest_y = s->current_picture.data[0] + (mb_y * 16* s->linesize ) + mb_x * 16; |
| 3518 |
pair_dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8; |
| 3519 |
pair_dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8; |
| 3520 |
|
| 3521 |
backup_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize); |
| 3522 |
// TODO deblock a pair
|
| 3523 |
// top
|
| 3524 |
s->mb_y--; |
| 3525 |
tprintf("call mbaff filter_mb mb_x:%d mb_y:%d pair_dest_y = %p, dest_y = %p\n", mb_x, mb_y, pair_dest_y, dest_y);
|
| 3526 |
fill_caches(h, mb_type_top, 1); //FIXME don't fill stuff which isn't used by filter_mb |
| 3527 |
filter_mb(h, mb_x, mb_y, pair_dest_y, pair_dest_cb, pair_dest_cr, linesize, uvlinesize); |
| 3528 |
if (tmp != s->current_picture.data[1][384]) { |
| 3529 |
tprintf("modified pixel 8,1 (1)\n");
|
| 3530 |
} |
| 3531 |
// bottom
|
| 3532 |
s->mb_y++; |
| 3533 |
tprintf("call mbaff filter_mb\n");
|
| 3534 |
fill_caches(h, mb_type_bottom, 1); //FIXME don't fill stuff which isn't used by filter_mb |
| 3535 |
filter_mb(h, mb_x, mb_y+1, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
|
| 3536 |
if (tmp != s->current_picture.data[1][384]) { |
| 3537 |
tprintf("modified pixel 8,1 (2)\n");
|
| 3538 |
} |
| 3539 |
} else {
|
| 3540 |
tprintf("call filter_mb\n");
|
| 3541 |
backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize); |
| 3542 |
fill_caches(h, mb_type, 1); //FIXME don't fill stuff which isn't used by filter_mb |
| 3543 |
filter_mb(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize); |
| 3544 |
} |
| 3545 |
} |
| 3546 |
} |
| 3547 |
|
| 3548 |
/**
|
| 3549 |
* fills the default_ref_list.
|
| 3550 |
*/
|
| 3551 |
static int fill_default_ref_list(H264Context *h){ |
| 3552 |
MpegEncContext * const s = &h->s;
|
| 3553 |
int i;
|
| 3554 |
int smallest_poc_greater_than_current = -1; |
| 3555 |
Picture sorted_short_ref[32];
|
| 3556 |
|
| 3557 |
if(h->slice_type==B_TYPE){
|
| 3558 |
int out_i;
|
| 3559 |
int limit= INT_MIN;
|
| 3560 |
|
| 3561 |
/* sort frame according to poc in B slice */
|
| 3562 |
for(out_i=0; out_i<h->short_ref_count; out_i++){ |
| 3563 |
int best_i=INT_MIN;
|
| 3564 |
int best_poc=INT_MAX;
|
| 3565 |
|
| 3566 |
for(i=0; i<h->short_ref_count; i++){ |
| 3567 |
const int poc= h->short_ref[i]->poc; |
| 3568 |
if(poc > limit && poc < best_poc){
|
| 3569 |
best_poc= poc; |
| 3570 |
best_i= i; |
| 3571 |
} |
| 3572 |
} |
| 3573 |
|
| 3574 |
assert(best_i != INT_MIN); |
| 3575 |
|
| 3576 |
limit= best_poc; |
| 3577 |
sorted_short_ref[out_i]= *h->short_ref[best_i]; |
| 3578 |
tprintf("sorted poc: %d->%d poc:%d fn:%d\n", best_i, out_i, sorted_short_ref[out_i].poc, sorted_short_ref[out_i].frame_num);
|
| 3579 |
if (-1 == smallest_poc_greater_than_current) { |
| 3580 |
if (h->short_ref[best_i]->poc >= s->current_picture_ptr->poc) {
|
| 3581 |
smallest_poc_greater_than_current = out_i; |
| 3582 |
} |
| 3583 |
} |
| 3584 |
} |
| 3585 |
} |
| 3586 |
|
| 3587 |
if(s->picture_structure == PICT_FRAME){
|
| 3588 |
if(h->slice_type==B_TYPE){
|
| 3589 |
int list;
|
| 3590 |
tprintf("current poc: %d, smallest_poc_greater_than_current: %d\n", s->current_picture_ptr->poc, smallest_poc_greater_than_current);
|
| 3591 |
|
| 3592 |
// find the largest poc
|
| 3593 |
for(list=0; list<2; list++){ |
| 3594 |
int index = 0; |
| 3595 |
int j= -99; |
| 3596 |
int step= list ? -1 : 1; |
| 3597 |
|
| 3598 |
for(i=0; i<h->short_ref_count && index < h->ref_count[list]; i++, j+=step) { |
| 3599 |
while(j<0 || j>= h->short_ref_count){ |
| 3600 |
if(j != -99 && step == (list ? -1 : 1)) |
| 3601 |
return -1; |
| 3602 |
step = -step; |
| 3603 |
j= smallest_poc_greater_than_current + (step>>1);
|
| 3604 |
} |
| 3605 |
if(sorted_short_ref[j].reference != 3) continue; |
| 3606 |
h->default_ref_list[list][index ]= sorted_short_ref[j]; |
| 3607 |
h->default_ref_list[list][index++].pic_id= sorted_short_ref[j].frame_num; |
| 3608 |
} |
| 3609 |
|
| 3610 |
for(i = 0; i < 16 && index < h->ref_count[ list ]; i++){ |
| 3611 |
if(h->long_ref[i] == NULL) continue; |
| 3612 |
if(h->long_ref[i]->reference != 3) continue; |
| 3613 |
|
| 3614 |
h->default_ref_list[ list ][index ]= *h->long_ref[i]; |
| 3615 |
h->default_ref_list[ list ][index++].pic_id= i;; |
| 3616 |
} |
| 3617 |
|
| 3618 |
if(list && (smallest_poc_greater_than_current<=0 || smallest_poc_greater_than_current>=h->short_ref_count) && (1 < index)){ |
| 3619 |
// swap the two first elements of L1 when
|
| 3620 |
// L0 and L1 are identical
|
| 3621 |
Picture temp= h->default_ref_list[1][0]; |
| 3622 |
h->default_ref_list[1][0] = h->default_ref_list[1][1]; |
| 3623 |
h->default_ref_list[1][1] = temp; |
| 3624 |
} |
| 3625 |
|
| 3626 |
if(index < h->ref_count[ list ])
|
| 3627 |
memset(&h->default_ref_list[list][index], 0, sizeof(Picture)*(h->ref_count[ list ] - index)); |
| 3628 |
} |
| 3629 |
}else{
|
| 3630 |
int index=0; |
| 3631 |
for(i=0; i<h->short_ref_count; i++){ |
| 3632 |
if(h->short_ref[i]->reference != 3) continue; //FIXME refernce field shit |
| 3633 |
h->default_ref_list[0][index ]= *h->short_ref[i];
|
| 3634 |
h->default_ref_list[0][index++].pic_id= h->short_ref[i]->frame_num;
|
| 3635 |
} |
| 3636 |
for(i = 0; i < 16; i++){ |
| 3637 |
if(h->long_ref[i] == NULL) continue; |
| 3638 |
if(h->long_ref[i]->reference != 3) continue; |
| 3639 |
h->default_ref_list[0][index ]= *h->long_ref[i];
|
| 3640 |
h->default_ref_list[0][index++].pic_id= i;;
|
| 3641 |
} |
| 3642 |
if(index < h->ref_count[0]) |
| 3643 |
memset(&h->default_ref_list[0][index], 0, sizeof(Picture)*(h->ref_count[0] - index)); |
| 3644 |
} |
| 3645 |
}else{ //FIELD |
| 3646 |
if(h->slice_type==B_TYPE){
|
| 3647 |
}else{
|
| 3648 |
//FIXME second field balh
|
| 3649 |
} |
| 3650 |
} |
| 3651 |
#ifdef TRACE
|
| 3652 |
for (i=0; i<h->ref_count[0]; i++) { |
| 3653 |
tprintf("List0: %s fn:%d 0x%p\n", (h->default_ref_list[0][i].long_ref ? "LT" : "ST"), h->default_ref_list[0][i].pic_id, h->default_ref_list[0][i].data[0]); |
| 3654 |
} |
| 3655 |
if(h->slice_type==B_TYPE){
|
| 3656 |
for (i=0; i<h->ref_count[1]; i++) { |
| 3657 |
tprintf("List1: %s fn:%d 0x%p\n", (h->default_ref_list[1][i].long_ref ? "LT" : "ST"), h->default_ref_list[1][i].pic_id, h->default_ref_list[0][i].data[0]); |
| 3658 |
} |
| 3659 |
} |
| 3660 |
#endif
|
| 3661 |
return 0; |
| 3662 |
} |
| 3663 |
|
| 3664 |
static void print_short_term(H264Context *h); |
| 3665 |
static void print_long_term(H264Context *h); |
| 3666 |
|
| 3667 |
static int decode_ref_pic_list_reordering(H264Context *h){ |
| 3668 |
MpegEncContext * const s = &h->s;
|
| 3669 |
int list, index;
|
| 3670 |
|
| 3671 |
print_short_term(h); |
| 3672 |
print_long_term(h); |
| 3673 |
if(h->slice_type==I_TYPE || h->slice_type==SI_TYPE) return 0; //FIXME move before func |
| 3674 |
|
| 3675 |
for(list=0; list<2; list++){ |
| 3676 |
memcpy(h->ref_list[list], h->default_ref_list[list], sizeof(Picture)*h->ref_count[list]);
|
| 3677 |
|
| 3678 |
if(get_bits1(&s->gb)){
|
| 3679 |
int pred= h->curr_pic_num;
|
| 3680 |
|
| 3681 |
for(index=0; ; index++){ |
| 3682 |
int reordering_of_pic_nums_idc= get_ue_golomb(&s->gb);
|
| 3683 |
int pic_id;
|
| 3684 |
int i;
|
| 3685 |
Picture *ref = NULL;
|
| 3686 |
|
| 3687 |
if(reordering_of_pic_nums_idc==3) |
| 3688 |
break;
|
| 3689 |
|
| 3690 |
if(index >= h->ref_count[list]){
|
| 3691 |
av_log(h->s.avctx, AV_LOG_ERROR, "reference count overflow\n");
|
| 3692 |
return -1; |
| 3693 |
} |
| 3694 |
|
| 3695 |
if(reordering_of_pic_nums_idc<3){ |
| 3696 |
if(reordering_of_pic_nums_idc<2){ |
| 3697 |
const int abs_diff_pic_num= get_ue_golomb(&s->gb) + 1; |
| 3698 |
|
| 3699 |
if(abs_diff_pic_num >= h->max_pic_num){
|
| 3700 |
av_log(h->s.avctx, AV_LOG_ERROR, "abs_diff_pic_num overflow\n");
|
| 3701 |
return -1; |
| 3702 |
} |
| 3703 |
|
| 3704 |
if(reordering_of_pic_nums_idc == 0) pred-= abs_diff_pic_num; |
| 3705 |
else pred+= abs_diff_pic_num;
|
| 3706 |
pred &= h->max_pic_num - 1;
|
| 3707 |
|
| 3708 |
for(i= h->short_ref_count-1; i>=0; i--){ |
| 3709 |
ref = h->short_ref[i]; |
| 3710 |
assert(ref->reference == 3);
|
| 3711 |
assert(!ref->long_ref); |
| 3712 |
if(ref->data[0] != NULL && ref->frame_num == pred && ref->long_ref == 0) // ignore non existing pictures by testing data[0] pointer |
| 3713 |
break;
|
| 3714 |
} |
| 3715 |
if(i>=0) |
| 3716 |
ref->pic_id= ref->frame_num; |
| 3717 |
}else{
|
| 3718 |
pic_id= get_ue_golomb(&s->gb); //long_term_pic_idx
|
| 3719 |
ref = h->long_ref[pic_id]; |
| 3720 |
ref->pic_id= pic_id; |
| 3721 |
assert(ref->reference == 3);
|
| 3722 |
assert(ref->long_ref); |
| 3723 |
i=0;
|
| 3724 |
} |
| 3725 |
|
| 3726 |
if (i < 0) { |
| 3727 |
av_log(h->s.avctx, AV_LOG_ERROR, "reference picture missing during reorder\n");
|
| 3728 |
memset(&h->ref_list[list][index], 0, sizeof(Picture)); //FIXME |
| 3729 |
} else {
|
| 3730 |
for(i=index; i+1<h->ref_count[list]; i++){ |
| 3731 |
if(ref->long_ref == h->ref_list[list][i].long_ref && ref->pic_id == h->ref_list[list][i].pic_id)
|
| 3732 |
break;
|
| 3733 |
} |
| 3734 |
for(; i > index; i--){
|
| 3735 |
h->ref_list[list][i]= h->ref_list[list][i-1];
|
| 3736 |
} |
| 3737 |
h->ref_list[list][index]= *ref; |
| 3738 |
} |
| 3739 |
}else{
|
| 3740 |
av_log(h->s.avctx, AV_LOG_ERROR, "illegal reordering_of_pic_nums_idc\n");
|
| 3741 |
return -1; |
| 3742 |
} |
| 3743 |
} |
| 3744 |
} |
| 3745 |
|
| 3746 |
if(h->slice_type!=B_TYPE) break; |
| 3747 |
} |
| 3748 |
for(list=0; list<2; list++){ |
| 3749 |
for(index= 0; index < h->ref_count[list]; index++){ |
| 3750 |
if(!h->ref_list[list][index].data[0]) |
| 3751 |
h->ref_list[list][index]= s->current_picture; |
| 3752 |
} |
| 3753 |
if(h->slice_type!=B_TYPE) break; |
| 3754 |
} |
| 3755 |
|
| 3756 |
if(h->slice_type==B_TYPE && !h->direct_spatial_mv_pred)
|
| 3757 |
direct_dist_scale_factor(h); |
| 3758 |
direct_ref_list_init(h); |
| 3759 |
return 0; |
| 3760 |
} |
| 3761 |
|
| 3762 |
static int pred_weight_table(H264Context *h){ |
| 3763 |
MpegEncContext * const s = &h->s;
|
| 3764 |
int list, i;
|
| 3765 |
int luma_def, chroma_def;
|
| 3766 |
|
| 3767 |
h->use_weight= 0;
|
| 3768 |
h->use_weight_chroma= 0;
|
| 3769 |
h->luma_log2_weight_denom= get_ue_golomb(&s->gb); |
| 3770 |
h->chroma_log2_weight_denom= get_ue_golomb(&s->gb); |
| 3771 |
luma_def = 1<<h->luma_log2_weight_denom;
|
| 3772 |
chroma_def = 1<<h->chroma_log2_weight_denom;
|
| 3773 |
|
| 3774 |
for(list=0; list<2; list++){ |
| 3775 |
for(i=0; i<h->ref_count[list]; i++){ |
| 3776 |
int luma_weight_flag, chroma_weight_flag;
|
| 3777 |
|
| 3778 |
luma_weight_flag= get_bits1(&s->gb); |
| 3779 |
if(luma_weight_flag){
|
| 3780 |
h->luma_weight[list][i]= get_se_golomb(&s->gb); |
| 3781 |
h->luma_offset[list][i]= get_se_golomb(&s->gb); |
| 3782 |
if( h->luma_weight[list][i] != luma_def
|
| 3783 |
|| h->luma_offset[list][i] != 0)
|
| 3784 |
h->use_weight= 1;
|
| 3785 |
}else{
|
| 3786 |
h->luma_weight[list][i]= luma_def; |
| 3787 |
h->luma_offset[list][i]= 0;
|
| 3788 |
} |
| 3789 |
|
| 3790 |
chroma_weight_flag= get_bits1(&s->gb); |
| 3791 |
if(chroma_weight_flag){
|
| 3792 |
int j;
|
| 3793 |
for(j=0; j<2; j++){ |
| 3794 |
h->chroma_weight[list][i][j]= get_se_golomb(&s->gb); |
| 3795 |
h->chroma_offset[list][i][j]= get_se_golomb(&s->gb); |
| 3796 |
if( h->chroma_weight[list][i][j] != chroma_def
|
| 3797 |
|| h->chroma_offset[list][i][j] != 0)
|
| 3798 |
h->use_weight_chroma= 1;
|
| 3799 |
} |
| 3800 |
}else{
|
| 3801 |
int j;
|
| 3802 |
for(j=0; j<2; j++){ |
| 3803 |
h->chroma_weight[list][i][j]= chroma_def; |
| 3804 |
h->chroma_offset[list][i][j]= 0;
|
| 3805 |
} |
| 3806 |
} |
| 3807 |
} |
| 3808 |
if(h->slice_type != B_TYPE) break; |
| 3809 |
} |
| 3810 |
h->use_weight= h->use_weight || h->use_weight_chroma; |
| 3811 |
return 0; |
| 3812 |
} |
| 3813 |
|
| 3814 |
static void implicit_weight_table(H264Context *h){ |
| 3815 |
MpegEncContext * const s = &h->s;
|
| 3816 |
int ref0, ref1;
|
| 3817 |
int cur_poc = s->current_picture_ptr->poc;
|
| 3818 |
|
| 3819 |
if( h->ref_count[0] == 1 && h->ref_count[1] == 1 |
| 3820 |
&& h->ref_list[0][0].poc + h->ref_list[1][0].poc == 2*cur_poc){ |
| 3821 |
h->use_weight= 0;
|
| 3822 |
h->use_weight_chroma= 0;
|
| 3823 |
return;
|
| 3824 |
} |
| 3825 |
|
| 3826 |
h->use_weight= 2;
|
| 3827 |
h->use_weight_chroma= 2;
|
| 3828 |
h->luma_log2_weight_denom= 5;
|
| 3829 |
h->chroma_log2_weight_denom= 5;
|
| 3830 |
|
| 3831 |
/* FIXME: MBAFF */
|
| 3832 |
for(ref0=0; ref0 < h->ref_count[0]; ref0++){ |
| 3833 |
int poc0 = h->ref_list[0][ref0].poc; |
| 3834 |
for(ref1=0; ref1 < h->ref_count[1]; ref1++){ |
| 3835 |
int poc1 = h->ref_list[1][ref1].poc; |
| 3836 |
int td = clip(poc1 - poc0, -128, 127); |
| 3837 |
if(td){
|
| 3838 |
int tb = clip(cur_poc - poc0, -128, 127); |
| 3839 |
int tx = (16384 + (ABS(td) >> 1)) / td; |
| 3840 |
int dist_scale_factor = clip((tb*tx + 32) >> 6, -1024, 1023) >> 2; |
| 3841 |
if(dist_scale_factor < -64 || dist_scale_factor > 128) |
| 3842 |
h->implicit_weight[ref0][ref1] = 32;
|
| 3843 |
else
|
| 3844 |
h->implicit_weight[ref0][ref1] = 64 - dist_scale_factor;
|
| 3845 |
}else
|
| 3846 |
h->implicit_weight[ref0][ref1] = 32;
|
| 3847 |
} |
| 3848 |
} |
| 3849 |
} |
| 3850 |
|
| 3851 |
static inline void unreference_pic(H264Context *h, Picture *pic){ |
| 3852 |
int i;
|
| 3853 |
pic->reference=0;
|
| 3854 |
if(pic == h->delayed_output_pic)
|
| 3855 |
pic->reference=1;
|
| 3856 |
else{
|
| 3857 |
for(i = 0; h->delayed_pic[i]; i++) |
| 3858 |
if(pic == h->delayed_pic[i]){
|
| 3859 |
pic->reference=1;
|
| 3860 |
break;
|
| 3861 |
} |
| 3862 |
} |
| 3863 |
} |
| 3864 |
|
| 3865 |
/**
|
| 3866 |
* instantaneous decoder refresh.
|
| 3867 |
*/
|
| 3868 |
static void idr(H264Context *h){ |
| 3869 |
int i;
|
| 3870 |
|
| 3871 |
for(i=0; i<16; i++){ |
| 3872 |
if (h->long_ref[i] != NULL) { |
| 3873 |
unreference_pic(h, h->long_ref[i]); |
| 3874 |
h->long_ref[i]= NULL;
|
| 3875 |
} |
| 3876 |
} |
| 3877 |
h->long_ref_count=0;
|
| 3878 |
|
| 3879 |
for(i=0; i<h->short_ref_count; i++){ |
| 3880 |
unreference_pic(h, h->short_ref[i]); |
| 3881 |
h->short_ref[i]= NULL;
|
| 3882 |
} |
| 3883 |
h->short_ref_count=0;
|
| 3884 |
} |
| 3885 |
|
| 3886 |
/* forget old pics after a seek */
|
| 3887 |
static void flush_dpb(AVCodecContext *avctx){ |
| 3888 |
H264Context *h= avctx->priv_data; |
| 3889 |
int i;
|
| 3890 |
for(i=0; i<16; i++) |
| 3891 |
h->delayed_pic[i]= NULL;
|
| 3892 |
h->delayed_output_pic= NULL;
|
| 3893 |
idr(h); |
| 3894 |
if(h->s.current_picture_ptr)
|
| 3895 |
h->s.current_picture_ptr->reference= 0;
|
| 3896 |
} |
| 3897 |
|
| 3898 |
/**
|
| 3899 |
*
|
| 3900 |
* @return the removed picture or NULL if an error occurs
|
| 3901 |
*/
|
| 3902 |
static Picture * remove_short(H264Context *h, int frame_num){ |
| 3903 |
MpegEncContext * const s = &h->s;
|
| 3904 |
int i;
|
| 3905 |
|
| 3906 |
if(s->avctx->debug&FF_DEBUG_MMCO)
|
| 3907 |
av_log(h->s.avctx, AV_LOG_DEBUG, "remove short %d count %d\n", frame_num, h->short_ref_count);
|
| 3908 |
|
| 3909 |
for(i=0; i<h->short_ref_count; i++){ |
| 3910 |
Picture *pic= h->short_ref[i]; |
| 3911 |
if(s->avctx->debug&FF_DEBUG_MMCO)
|
| 3912 |
av_log(h->s.avctx, AV_LOG_DEBUG, "%d %d %p\n", i, pic->frame_num, pic);
|
| 3913 |
if(pic->frame_num == frame_num){
|
| 3914 |
h->short_ref[i]= NULL;
|
| 3915 |
memmove(&h->short_ref[i], &h->short_ref[i+1], (h->short_ref_count - i - 1)*sizeof(Picture*)); |
| 3916 |
h->short_ref_count--; |
| 3917 |
return pic;
|
| 3918 |
} |
| 3919 |
} |
| 3920 |
return NULL; |
| 3921 |
} |
| 3922 |
|
| 3923 |
/**
|
| 3924 |
*
|
| 3925 |
* @return the removed picture or NULL if an error occurs
|
| 3926 |
*/
|
| 3927 |
static Picture * remove_long(H264Context *h, int i){ |
| 3928 |
Picture *pic; |
| 3929 |
|
| 3930 |
pic= h->long_ref[i]; |
| 3931 |
h->long_ref[i]= NULL;
|
| 3932 |
if(pic) h->long_ref_count--;
|
| 3933 |
|
| 3934 |
return pic;
|
| 3935 |
} |
| 3936 |
|
| 3937 |
/**
|
| 3938 |
* print short term list
|
| 3939 |
*/
|
| 3940 |
static void print_short_term(H264Context *h) { |
| 3941 |
uint32_t i; |
| 3942 |
if(h->s.avctx->debug&FF_DEBUG_MMCO) {
|
| 3943 |
av_log(h->s.avctx, AV_LOG_DEBUG, "short term list:\n");
|
| 3944 |
for(i=0; i<h->short_ref_count; i++){ |
| 3945 |
Picture *pic= h->short_ref[i]; |
| 3946 |
av_log(h->s.avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", i, pic->frame_num, pic->poc, pic->data[0]); |
| 3947 |
} |
| 3948 |
} |
| 3949 |
} |
| 3950 |
|
| 3951 |
/**
|
| 3952 |
* print long term list
|
| 3953 |
*/
|
| 3954 |
static void print_long_term(H264Context *h) { |
| 3955 |
uint32_t i; |
| 3956 |
if(h->s.avctx->debug&FF_DEBUG_MMCO) {
|
| 3957 |
av_log(h->s.avctx, AV_LOG_DEBUG, "long term list:\n");
|
| 3958 |
for(i = 0; i < 16; i++){ |
| 3959 |
Picture *pic= h->long_ref[i]; |
| 3960 |
if (pic) {
|
| 3961 |
av_log(h->s.avctx, AV_LOG_DEBUG, "%d fn:%d poc:%d %p\n", i, pic->frame_num, pic->poc, pic->data[0]); |
| 3962 |
} |
| 3963 |
} |
| 3964 |
} |
| 3965 |
} |
| 3966 |
|
| 3967 |
/**
|
| 3968 |
* Executes the reference picture marking (memory management control operations).
|
| 3969 |
*/
|
| 3970 |
static int execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){ |
| 3971 |
MpegEncContext * const s = &h->s;
|
| 3972 |
int i, j;
|
| 3973 |
int current_is_long=0; |
| 3974 |
Picture *pic; |
| 3975 |
|
| 3976 |
if((s->avctx->debug&FF_DEBUG_MMCO) && mmco_count==0) |
| 3977 |
av_log(h->s.avctx, AV_LOG_DEBUG, "no mmco here\n");
|
| 3978 |
|
| 3979 |
for(i=0; i<mmco_count; i++){ |
| 3980 |
if(s->avctx->debug&FF_DEBUG_MMCO)
|
| 3981 |
av_log(h->s.avctx, AV_LOG_DEBUG, "mmco:%d %d %d\n", h->mmco[i].opcode, h->mmco[i].short_frame_num, h->mmco[i].long_index);
|
| 3982 |
|
| 3983 |
switch(mmco[i].opcode){
|
| 3984 |
case MMCO_SHORT2UNUSED:
|
| 3985 |
pic= remove_short(h, mmco[i].short_frame_num); |
| 3986 |
if(pic)
|
| 3987 |
unreference_pic(h, pic); |
| 3988 |
else if(s->avctx->debug&FF_DEBUG_MMCO) |
| 3989 |
av_log(h->s.avctx, AV_LOG_DEBUG, "mmco: remove_short() failure\n");
|
| 3990 |
break;
|
| 3991 |
case MMCO_SHORT2LONG:
|
| 3992 |
pic= remove_long(h, mmco[i].long_index); |
| 3993 |
if(pic) unreference_pic(h, pic);
|
| 3994 |
|
| 3995 |
h->long_ref[ mmco[i].long_index ]= remove_short(h, mmco[i].short_frame_num); |
| 3996 |
h->long_ref[ mmco[i].long_index ]->long_ref=1;
|
| 3997 |
h->long_ref_count++; |
| 3998 |
break;
|
| 3999 |
case MMCO_LONG2UNUSED:
|
| 4000 |
pic= remove_long(h, mmco[i].long_index); |
| 4001 |
if(pic)
|
| 4002 |
unreference_pic(h, pic); |
| 4003 |
else if(s->avctx->debug&FF_DEBUG_MMCO) |
| 4004 |
av_log(h->s.avctx, AV_LOG_DEBUG, "mmco: remove_long() failure\n");
|
| 4005 |
break;
|
| 4006 |
case MMCO_LONG:
|
| 4007 |
pic= remove_long(h, mmco[i].long_index); |
| 4008 |
if(pic) unreference_pic(h, pic);
|
| 4009 |
|
| 4010 |
h->long_ref[ mmco[i].long_index ]= s->current_picture_ptr; |
| 4011 |
h->long_ref[ mmco[i].long_index ]->long_ref=1;
|
| 4012 |
h->long_ref_count++; |
| 4013 |
|
| 4014 |
current_is_long=1;
|
| 4015 |
break;
|
| 4016 |
case MMCO_SET_MAX_LONG:
|
| 4017 |
assert(mmco[i].long_index <= 16);
|
| 4018 |
// just remove the long term which index is greater than new max
|
| 4019 |
for(j = mmco[i].long_index; j<16; j++){ |
| 4020 |
pic = remove_long(h, j); |
| 4021 |
if (pic) unreference_pic(h, pic);
|
| 4022 |
} |
| 4023 |
break;
|
| 4024 |
case MMCO_RESET:
|
| 4025 |
while(h->short_ref_count){
|
| 4026 |
pic= remove_short(h, h->short_ref[0]->frame_num);
|
| 4027 |
unreference_pic(h, pic); |
| 4028 |
} |
| 4029 |
for(j = 0; j < 16; j++) { |
| 4030 |
pic= remove_long(h, j); |
| 4031 |
if(pic) unreference_pic(h, pic);
|
| 4032 |
} |
| 4033 |
break;
|
| 4034 |
default: assert(0); |
| 4035 |
} |
| 4036 |
} |
| 4037 |
|
| 4038 |
if(!current_is_long){
|
| 4039 |
pic= remove_short(h, s->current_picture_ptr->frame_num); |
| 4040 |
if(pic){
|
| 4041 |
unreference_pic(h, pic); |
| 4042 |
av_log(h->s.avctx, AV_LOG_ERROR, "illegal short term buffer state detected\n");
|
| 4043 |
} |
| 4044 |
|
| 4045 |
if(h->short_ref_count)
|
| 4046 |
memmove(&h->short_ref[1], &h->short_ref[0], h->short_ref_count*sizeof(Picture*)); |
| 4047 |
|
| 4048 |
h->short_ref[0]= s->current_picture_ptr;
|
| 4049 |
h->short_ref[0]->long_ref=0; |
| 4050 |
h->short_ref_count++; |
| 4051 |
} |
| 4052 |
|
| 4053 |
print_short_term(h); |
| 4054 |
print_long_term(h); |
| 4055 |
return 0; |
| 4056 |
} |
| 4057 |
|
| 4058 |
static int decode_ref_pic_marking(H264Context *h){ |
| 4059 |
MpegEncContext * const s = &h->s;
|
| 4060 |
int i;
|
| 4061 |
|
| 4062 |
if(h->nal_unit_type == NAL_IDR_SLICE){ //FIXME fields |
| 4063 |
s->broken_link= get_bits1(&s->gb) -1;
|
| 4064 |
h->mmco[0].long_index= get_bits1(&s->gb) - 1; // current_long_term_idx |
| 4065 |
if(h->mmco[0].long_index == -1) |
| 4066 |
h->mmco_index= 0;
|
| 4067 |
else{
|
| 4068 |
h->mmco[0].opcode= MMCO_LONG;
|
| 4069 |
h->mmco_index= 1;
|
| 4070 |
} |
| 4071 |
}else{
|
| 4072 |
if(get_bits1(&s->gb)){ // adaptive_ref_pic_marking_mode_flag |
| 4073 |
for(i= 0; i<MAX_MMCO_COUNT; i++) { |
| 4074 |
MMCOOpcode opcode= get_ue_golomb(&s->gb);; |
| 4075 |
|
| 4076 |
h->mmco[i].opcode= opcode; |
| 4077 |
if(opcode==MMCO_SHORT2UNUSED || opcode==MMCO_SHORT2LONG){
|
| 4078 |
h->mmco[i].short_frame_num= (h->frame_num - get_ue_golomb(&s->gb) - 1) & ((1<<h->sps.log2_max_frame_num)-1); //FIXME fields |
| 4079 |
/* if(h->mmco[i].short_frame_num >= h->short_ref_count || h->short_ref[ h->mmco[i].short_frame_num ] == NULL){
|
| 4080 |
av_log(s->avctx, AV_LOG_ERROR, "illegal short ref in memory management control operation %d\n", mmco);
|
| 4081 |
return -1;
|
| 4082 |
}*/
|
| 4083 |
} |
| 4084 |
if(opcode==MMCO_SHORT2LONG || opcode==MMCO_LONG2UNUSED || opcode==MMCO_LONG || opcode==MMCO_SET_MAX_LONG){
|
| 4085 |
h->mmco[i].long_index= get_ue_golomb(&s->gb); |
| 4086 |
if(/*h->mmco[i].long_index >= h->long_ref_count || h->long_ref[ h->mmco[i].long_index ] == NULL*/ h->mmco[i].long_index >= 16){ |
| 4087 |
av_log(h->s.avctx, AV_LOG_ERROR, "illegal long ref in memory management control operation %d\n", opcode);
|
| 4088 |
return -1; |
| 4089 |
} |
| 4090 |
} |
| 4091 |
|
| 4092 |
if(opcode > MMCO_LONG){
|
| 4093 |
av_log(h->s.avctx, AV_LOG_ERROR, "illegal memory management control operation %d\n", opcode);
|
| 4094 |
return -1; |
| 4095 |
} |
| 4096 |
if(opcode == MMCO_END)
|
| 4097 |
break;
|
| 4098 |
} |
| 4099 |
h->mmco_index= i; |
| 4100 |
}else{
|
| 4101 |
assert(h->long_ref_count + h->short_ref_count <= h->sps.ref_frame_count); |
| 4102 |
|
| 4103 |
if(h->long_ref_count + h->short_ref_count == h->sps.ref_frame_count){ //FIXME fields |
| 4104 |
h->mmco[0].opcode= MMCO_SHORT2UNUSED;
|
| 4105 |
h->mmco[0].short_frame_num= h->short_ref[ h->short_ref_count - 1 ]->frame_num; |
| 4106 |
h->mmco_index= 1;
|
| 4107 |
}else
|
| 4108 |
h->mmco_index= 0;
|
| 4109 |
} |
| 4110 |
} |
| 4111 |
|
| 4112 |
return 0; |
| 4113 |
} |
| 4114 |
|
| 4115 |
static int init_poc(H264Context *h){ |
| 4116 |
MpegEncContext * const s = &h->s;
|
| 4117 |
const int max_frame_num= 1<<h->sps.log2_max_frame_num; |
| 4118 |
int field_poc[2]; |
| 4119 |
|
| 4120 |
if(h->nal_unit_type == NAL_IDR_SLICE){
|
| 4121 |
h->frame_num_offset= 0;
|
| 4122 |
}else{
|
| 4123 |
if(h->frame_num < h->prev_frame_num)
|
| 4124 |
h->frame_num_offset= h->prev_frame_num_offset + max_frame_num; |
| 4125 |
else
|
| 4126 |
h->frame_num_offset= h->prev_frame_num_offset; |
| 4127 |
} |
| 4128 |
|
| 4129 |
if(h->sps.poc_type==0){ |
| 4130 |
const int max_poc_lsb= 1<<h->sps.log2_max_poc_lsb; |
| 4131 |
|
| 4132 |
if(h->nal_unit_type == NAL_IDR_SLICE){
|
| 4133 |
h->prev_poc_msb= |
| 4134 |
h->prev_poc_lsb= 0;
|
| 4135 |
} |
| 4136 |
|
| 4137 |
if (h->poc_lsb < h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb >= max_poc_lsb/2) |
| 4138 |
h->poc_msb = h->prev_poc_msb + max_poc_lsb; |
| 4139 |
else if(h->poc_lsb > h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb < -max_poc_lsb/2) |
| 4140 |
h->poc_msb = h->prev_poc_msb - max_poc_lsb; |
| 4141 |
else
|
| 4142 |
h->poc_msb = h->prev_poc_msb; |
| 4143 |
//printf("poc: %d %d\n", h->poc_msb, h->poc_lsb);
|
| 4144 |
field_poc[0] =
|
| 4145 |
field_poc[1] = h->poc_msb + h->poc_lsb;
|
| 4146 |
if(s->picture_structure == PICT_FRAME)
|
| 4147 |
field_poc[1] += h->delta_poc_bottom;
|
| 4148 |
}else if(h->sps.poc_type==1){ |
| 4149 |
int abs_frame_num, expected_delta_per_poc_cycle, expectedpoc;
|
| 4150 |
int i;
|
| 4151 |
|
| 4152 |
if(h->sps.poc_cycle_length != 0) |
| 4153 |
abs_frame_num = h->frame_num_offset + h->frame_num; |
| 4154 |
else
|
| 4155 |
abs_frame_num = 0;
|
| 4156 |
|
| 4157 |
if(h->nal_ref_idc==0 && abs_frame_num > 0) |
| 4158 |
abs_frame_num--; |
| 4159 |
|
| 4160 |
expected_delta_per_poc_cycle = 0;
|
| 4161 |
for(i=0; i < h->sps.poc_cycle_length; i++) |
| 4162 |
expected_delta_per_poc_cycle += h->sps.offset_for_ref_frame[ i ]; //FIXME integrate during sps parse
|
| 4163 |
|
| 4164 |
if(abs_frame_num > 0){ |
| 4165 |
int poc_cycle_cnt = (abs_frame_num - 1) / h->sps.poc_cycle_length; |
| 4166 |
int frame_num_in_poc_cycle = (abs_frame_num - 1) % h->sps.poc_cycle_length; |
| 4167 |
|
| 4168 |
expectedpoc = poc_cycle_cnt * expected_delta_per_poc_cycle; |
| 4169 |
for(i = 0; i <= frame_num_in_poc_cycle; i++) |
| 4170 |
expectedpoc = expectedpoc + h->sps.offset_for_ref_frame[ i ]; |
| 4171 |
} else
|
| 4172 |
expectedpoc = 0;
|
| 4173 |
|
| 4174 |
if(h->nal_ref_idc == 0) |
| 4175 |
expectedpoc = expectedpoc + h->sps.offset_for_non_ref_pic; |
| 4176 |
|
| 4177 |
field_poc[0] = expectedpoc + h->delta_poc[0]; |
| 4178 |
field_poc[1] = field_poc[0] + h->sps.offset_for_top_to_bottom_field; |
| 4179 |
|
| 4180 |
if(s->picture_structure == PICT_FRAME)
|
| 4181 |
field_poc[1] += h->delta_poc[1]; |
| 4182 |
}else{
|
| 4183 |
int poc;
|
| 4184 |
if(h->nal_unit_type == NAL_IDR_SLICE){
|
| 4185 |
poc= 0;
|
| 4186 |
}else{
|
| 4187 |
if(h->nal_ref_idc) poc= 2*(h->frame_num_offset + h->frame_num); |
| 4188 |
else poc= 2*(h->frame_num_offset + h->frame_num) - 1; |
| 4189 |
} |
| 4190 |
field_poc[0]= poc;
|
| 4191 |
field_poc[1]= poc;
|
| 4192 |
} |
| 4193 |
|
| 4194 |
if(s->picture_structure != PICT_BOTTOM_FIELD)
|
| 4195 |
s->current_picture_ptr->field_poc[0]= field_poc[0]; |
| 4196 |
if(s->picture_structure != PICT_TOP_FIELD)
|
| 4197 |
s->current_picture_ptr->field_poc[1]= field_poc[1]; |
| 4198 |
if(s->picture_structure == PICT_FRAME) // FIXME field pix? |
| 4199 |
s->current_picture_ptr->poc= FFMIN(field_poc[0], field_poc[1]); |
| 4200 |
|
| 4201 |
return 0; |
| 4202 |
} |
| 4203 |
|
| 4204 |
/**
|
| 4205 |
* decodes a slice header.
|
| 4206 |
* this will allso call MPV_common_init() and frame_start() as needed
|
| 4207 |
*/
|
| 4208 |
static int decode_slice_header(H264Context *h){ |
| 4209 |
MpegEncContext * const s = &h->s;
|
| 4210 |
int first_mb_in_slice, pps_id;
|
| 4211 |
int num_ref_idx_active_override_flag;
|
| 4212 |
static const uint8_t slice_type_map[5]= {P_TYPE, B_TYPE, I_TYPE, SP_TYPE, SI_TYPE}; |
| 4213 |
int slice_type;
|
| 4214 |
int default_ref_list_done = 0; |
| 4215 |
|
| 4216 |
s->current_picture.reference= h->nal_ref_idc != 0;
|
| 4217 |
s->dropable= h->nal_ref_idc == 0;
|
| 4218 |
|
| 4219 |
first_mb_in_slice= get_ue_golomb(&s->gb); |
| 4220 |
|
| 4221 |
slice_type= get_ue_golomb(&s->gb); |
| 4222 |
if(slice_type > 9){ |
| 4223 |
av_log(h->s.avctx, AV_LOG_ERROR, "slice type too large (%d) at %d %d\n", h->slice_type, s->mb_x, s->mb_y);
|
| 4224 |
return -1; |
| 4225 |
} |
| 4226 |
if(slice_type > 4){ |
| 4227 |
slice_type -= 5;
|
| 4228 |
h->slice_type_fixed=1;
|
| 4229 |
}else
|
| 4230 |
h->slice_type_fixed=0;
|
| 4231 |
|
| 4232 |
slice_type= slice_type_map[ slice_type ]; |
| 4233 |
if (slice_type == I_TYPE
|
| 4234 |
|| (h->slice_num != 0 && slice_type == h->slice_type) ) {
|
| 4235 |
default_ref_list_done = 1;
|
| 4236 |
} |
| 4237 |
h->slice_type= slice_type; |
| 4238 |
|
| 4239 |
s->pict_type= h->slice_type; // to make a few old func happy, it's wrong though
|
| 4240 |
|
| 4241 |
pps_id= get_ue_golomb(&s->gb); |
| 4242 |
if(pps_id>255){ |
| 4243 |
av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
|
| 4244 |
return -1; |
| 4245 |
} |
| 4246 |
h->pps= h->pps_buffer[pps_id]; |
| 4247 |
if(h->pps.slice_group_count == 0){ |
| 4248 |
av_log(h->s.avctx, AV_LOG_ERROR, "non existing PPS referenced\n");
|
| 4249 |
return -1; |
| 4250 |
} |
| 4251 |
|
| 4252 |
h->sps= h->sps_buffer[ h->pps.sps_id ]; |
| 4253 |
if(h->sps.log2_max_frame_num == 0){ |
| 4254 |
av_log(h->s.avctx, AV_LOG_ERROR, "non existing SPS referenced\n");
|
| 4255 |
return -1; |
| 4256 |
} |
| 4257 |
|
| 4258 |
if(h->dequant_coeff_pps != pps_id){
|
| 4259 |
h->dequant_coeff_pps = pps_id; |
| 4260 |
init_dequant_tables(h); |
| 4261 |
} |
| 4262 |
|
| 4263 |
s->mb_width= h->sps.mb_width; |
| 4264 |
s->mb_height= h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
|
| 4265 |
|
| 4266 |
h->b_stride= s->mb_width*4 + 1; |
| 4267 |
h->b8_stride= s->mb_width*2 + 1; |
| 4268 |
|
| 4269 |
s->width = 16*s->mb_width - 2*(h->sps.crop_left + h->sps.crop_right ); |
| 4270 |
if(h->sps.frame_mbs_only_flag)
|
| 4271 |
s->height= 16*s->mb_height - 2*(h->sps.crop_top + h->sps.crop_bottom); |
| 4272 |
else
|
| 4273 |
s->height= 16*s->mb_height - 4*(h->sps.crop_top + h->sps.crop_bottom); //FIXME recheck |
| 4274 |
|
| 4275 |
if (s->context_initialized
|
| 4276 |
&& ( s->width != s->avctx->width || s->height != s->avctx->height)) {
|
| 4277 |
free_tables(h); |
| 4278 |
MPV_common_end(s); |
| 4279 |
} |
| 4280 |
if (!s->context_initialized) {
|
| 4281 |
if (MPV_common_init(s) < 0) |
| 4282 |
return -1; |
| 4283 |
|
| 4284 |
if(s->dsp.h264_idct_add == ff_h264_idct_add_c){ //FIXME little ugly |
| 4285 |
memcpy(h->zigzag_scan, zigzag_scan, 16*sizeof(uint8_t)); |
| 4286 |
memcpy(h-> field_scan, field_scan, 16*sizeof(uint8_t)); |
| 4287 |
}else{
|
| 4288 |
int i;
|
| 4289 |
for(i=0; i<16; i++){ |
| 4290 |
#define T(x) (x>>2) | ((x<<2) & 0xF) |
| 4291 |
h->zigzag_scan[i] = T(zigzag_scan[i]); |
| 4292 |
h-> field_scan[i] = T( field_scan[i]); |
| 4293 |
} |
| 4294 |
} |
| 4295 |
if(h->sps.transform_bypass){ //FIXME same ugly |
| 4296 |
h->zigzag_scan_q0 = zigzag_scan; |
| 4297 |
h->field_scan_q0 = field_scan; |
| 4298 |
}else{
|
| 4299 |
h->zigzag_scan_q0 = h->zigzag_scan; |
| 4300 |
h->field_scan_q0 = h->field_scan; |
| 4301 |
} |
| 4302 |
|
| 4303 |
alloc_tables(h); |
| 4304 |
|
| 4305 |
s->avctx->width = s->width; |
| 4306 |
s->avctx->height = s->height; |
| 4307 |
s->avctx->sample_aspect_ratio= h->sps.sar; |
| 4308 |
if(!s->avctx->sample_aspect_ratio.den)
|
| 4309 |
s->avctx->sample_aspect_ratio.den = 1;
|
| 4310 |
|
| 4311 |
if(h->sps.timing_info_present_flag){
|
| 4312 |
s->avctx->time_base= (AVRational){h->sps.num_units_in_tick, h->sps.time_scale};
|
| 4313 |
} |
| 4314 |
} |
| 4315 |
|
| 4316 |
if(h->slice_num == 0){ |
| 4317 |
if(frame_start(h) < 0) |
| 4318 |
return -1; |
| 4319 |
} |
| 4320 |
|
| 4321 |
s->current_picture_ptr->frame_num= //FIXME frame_num cleanup
|
| 4322 |
h->frame_num= get_bits(&s->gb, h->sps.log2_max_frame_num); |
| 4323 |
|
| 4324 |
h->mb_aff_frame = 0;
|
| 4325 |
if(h->sps.frame_mbs_only_flag){
|