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ffmpeg / libavcodec / h264.c @ 6636b7e8

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1 0da71265 Michael Niedermayer
/*
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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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 */
20 115329f1 Diego Biurrun
21 0da71265 Michael Niedermayer
/**
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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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36 2848ce84 Loren Merritt
//#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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/* Compiling in interlaced support reduces the speed
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 * of progressive decoding by about 2%. */
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#define ALLOW_INTERLACE
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#ifdef ALLOW_INTERLACE
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#define MB_MBAFF h->mb_mbaff
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#define MB_FIELD h->mb_field_decoding_flag
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#define FRAME_MBAFF h->mb_aff_frame
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#else
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#define MB_MBAFF 0
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#define MB_FIELD 0
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#define FRAME_MBAFF 0
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#undef  IS_INTERLACED
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#define IS_INTERLACED(mb_type) 0
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#endif
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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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159
/**
160
 * 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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    unsigned 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;
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    int next_mb_skipped;
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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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    DECLARE_ALIGNED_8(uint8_t, non_zero_count_cache[6*8]);
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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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    DECLARE_ALIGNED_8(int16_t, mv_cache[2][5*8][2]);
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    DECLARE_ALIGNED_8(int8_t, ref_cache[2][5*8]);
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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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     */
238
    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 mb_linesize;   ///< may be equal to s->linesize or s->linesize*2, for mbaff
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    int mb_uvlinesize;
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    int emu_edge_width;
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    int emu_edge_height;
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    int halfpel_flag;
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    int thirdpel_flag;
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260 da3b9756 Mike Melanson
    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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    int slice_num;
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    uint8_t *slice_table_base;
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    uint8_t *slice_table;      ///< slice_table_base + 2*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 mb_mbaff;              ///< mb_aff_frame && 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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    /**
309
     * 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;
318 5d18eaad Loren Merritt
    int luma_weight[2][48];
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    int luma_offset[2][48];
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    int chroma_weight[2][48][2];
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    int chroma_offset[2][48][2];
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    int implicit_weight[48][48];
323 115329f1 Diego Biurrun
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    //deblock
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    int deblocking_filter;         ///< disable_deblocking_filter_idc with 1<->0
326 980a82b7 Michael Niedermayer
    int slice_alpha_c0_offset;
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    int slice_beta_offset;
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    int redundant_pic_count;
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331 0da71265 Michael Niedermayer
    int direct_spatial_mv_pred;
332 5ad984c9 Loren Merritt
    int dist_scale_factor[16];
333 5d18eaad Loren Merritt
    int dist_scale_factor_field[32];
334 2f944356 Loren Merritt
    int map_col_to_list0[2][16];
335 5d18eaad Loren Merritt
    int map_col_to_list0_field[2][32];
336 0da71265 Michael Niedermayer
337
    /**
338
     * num_ref_idx_l0/1_active_minus1 + 1
339
     */
340 5d18eaad Loren Merritt
    int ref_count[2];            ///< counts frames or fields, depending on current mb mode
341 17107065 Loren Merritt
    Picture *short_ref[32];
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    Picture *long_ref[32];
343 0da71265 Michael Niedermayer
    Picture default_ref_list[2][32];
344 5d18eaad Loren Merritt
    Picture ref_list[2][48];     ///< 0..15: frame refs, 16..47: mbaff field refs
345 a4dae92b Loren Merritt
    Picture *delayed_pic[16]; //FIXME size?
346 4e4d983e Loren Merritt
    Picture *delayed_output_pic;
347 115329f1 Diego Biurrun
348 0da71265 Michael Niedermayer
    /**
349
     * memory management control operations buffer.
350
     */
351
    MMCO mmco[MAX_MMCO_COUNT];
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    int mmco_index;
353 115329f1 Diego Biurrun
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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
356 115329f1 Diego Biurrun
357 0da71265 Michael Niedermayer
    //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;
362 115329f1 Diego Biurrun
363 68b51e58 Steve L'Homme
    DECLARE_ALIGNED_8(DCTELEM, mb[16*24]);
364 e5017ab8 Laurent Aimar
365
    /**
366
     * Cabac
367
     */
368
    CABACContext cabac;
369 43efd19a Loren Merritt
    uint8_t      cabac_state[460];
370 e5017ab8 Laurent Aimar
    int          cabac_init_idc;
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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;
376 693399ba Laurent Aimar
    /* chroma_pred_mode for i4x4 or i16x16, else 0 */
377 e5017ab8 Laurent Aimar
    uint8_t     *chroma_pred_mode_table;
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    int         last_qscale_diff;
379 9e528114 Laurent Aimar
    int16_t     (*mvd_table[2])[2];
380 68b51e58 Steve L'Homme
    DECLARE_ALIGNED_8(int16_t, mvd_cache[2][5*8][2]);
381 5ad984c9 Loren Merritt
    uint8_t     *direct_table;
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    uint8_t     direct_cache[5*8];
383 e5017ab8 Laurent Aimar
384 e4b36d44 Michael Niedermayer
    uint8_t zigzag_scan[16];
385 548a1c8a Loren Merritt
    uint8_t zigzag_scan8x8[64];
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    uint8_t zigzag_scan8x8_cavlc[64];
387 5d18eaad Loren Merritt
    uint8_t field_scan[16];
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    uint8_t field_scan8x8[64];
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    uint8_t field_scan8x8_cavlc[64];
390 36940eca Loren Merritt
    const uint8_t *zigzag_scan_q0;
391 548a1c8a Loren Merritt
    const uint8_t *zigzag_scan8x8_q0;
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    const uint8_t *zigzag_scan8x8_cavlc_q0;
393 5d18eaad Loren Merritt
    const uint8_t *field_scan_q0;
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    const uint8_t *field_scan8x8_q0;
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    const uint8_t *field_scan8x8_cavlc_q0;
396 115329f1 Diego Biurrun
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    int x264_build;
398 0da71265 Michael Niedermayer
}H264Context;
399
400
static VLC coeff_token_vlc[4];
401
static VLC chroma_dc_coeff_token_vlc;
402
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static VLC total_zeros_vlc[15];
404
static VLC chroma_dc_total_zeros_vlc[3];
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static VLC run_vlc[6];
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static VLC run7_vlc;
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409 8b82a956 Michael Niedermayer
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);
411 6ba71fc4 Loïc Le Loarer
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);
412 8b82a956 Michael Niedermayer
413 70abb407 Loren Merritt
static always_inline uint32_t pack16to32(int a, int b){
414 377ec888 Michael Niedermayer
#ifdef WORDS_BIGENDIAN
415
   return (b&0xFFFF) + (a<<16);
416
#else
417
   return (a&0xFFFF) + (b<<16);
418
#endif
419
}
420
421 0da71265 Michael Niedermayer
/**
422
 * fill a rectangle.
423 5175b937 Loic Le Loarer
 * @param h height of the rectangle, should be a constant
424
 * @param w width of the rectangle, should be a constant
425 0da71265 Michael Niedermayer
 * @param size the size of val (1 or 4), should be a constant
426
 */
427 70abb407 Loren Merritt
static always_inline void fill_rectangle(void *vp, int w, int h, int stride, uint32_t val, int size){
428 af6e2fed Michael Niedermayer
    uint8_t *p= (uint8_t*)vp;
429 0da71265 Michael Niedermayer
    assert(size==1 || size==4);
430 67a82086 Loren Merritt
    assert(w<=4);
431 115329f1 Diego Biurrun
432 0da71265 Michael Niedermayer
    w      *= size;
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    stride *= size;
434 115329f1 Diego Biurrun
435 4733abcb Måns Rullgård
    assert((((long)vp)&(FFMIN(w, STRIDE_ALIGN)-1)) == 0);
436 d9c780a8 Michael Niedermayer
    assert((stride&(w-1))==0);
437 67a82086 Loren Merritt
    if(w==2){
438
        const uint16_t v= size==4 ? val : val*0x0101;
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        *(uint16_t*)(p + 0*stride)= v;
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        if(h==1) return;
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        *(uint16_t*)(p + 1*stride)= v;
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        if(h==2) return;
443 0da71265 Michael Niedermayer
        *(uint16_t*)(p + 2*stride)=
444 67a82086 Loren Merritt
        *(uint16_t*)(p + 3*stride)= v;
445
    }else if(w==4){
446
        const uint32_t v= size==4 ? val : val*0x01010101;
447
        *(uint32_t*)(p + 0*stride)= v;
448
        if(h==1) return;
449
        *(uint32_t*)(p + 1*stride)= v;
450
        if(h==2) return;
451 0da71265 Michael Niedermayer
        *(uint32_t*)(p + 2*stride)=
452 67a82086 Loren Merritt
        *(uint32_t*)(p + 3*stride)= v;
453
    }else if(w==8){
454
    //gcc can't optimize 64bit math on x86_32
455
#if defined(ARCH_X86_64) || (defined(MP_WORDSIZE) && MP_WORDSIZE >= 64)
456
        const uint64_t v= val*0x0100000001ULL;
457
        *(uint64_t*)(p + 0*stride)= v;
458
        if(h==1) return;
459
        *(uint64_t*)(p + 1*stride)= v;
460
        if(h==2) return;
461 0da71265 Michael Niedermayer
        *(uint64_t*)(p + 2*stride)=
462 67a82086 Loren Merritt
        *(uint64_t*)(p + 3*stride)= v;
463
    }else if(w==16){
464
        const uint64_t v= val*0x0100000001ULL;
465 0da71265 Michael Niedermayer
        *(uint64_t*)(p + 0+0*stride)=
466
        *(uint64_t*)(p + 8+0*stride)=
467
        *(uint64_t*)(p + 0+1*stride)=
468 67a82086 Loren Merritt
        *(uint64_t*)(p + 8+1*stride)= v;
469
        if(h==2) return;
470 0da71265 Michael Niedermayer
        *(uint64_t*)(p + 0+2*stride)=
471
        *(uint64_t*)(p + 8+2*stride)=
472
        *(uint64_t*)(p + 0+3*stride)=
473 67a82086 Loren Merritt
        *(uint64_t*)(p + 8+3*stride)= v;
474
#else
475
        *(uint32_t*)(p + 0+0*stride)=
476
        *(uint32_t*)(p + 4+0*stride)= val;
477
        if(h==1) return;
478
        *(uint32_t*)(p + 0+1*stride)=
479
        *(uint32_t*)(p + 4+1*stride)= val;
480
        if(h==2) return;
481
        *(uint32_t*)(p + 0+2*stride)=
482
        *(uint32_t*)(p + 4+2*stride)=
483
        *(uint32_t*)(p + 0+3*stride)=
484
        *(uint32_t*)(p + 4+3*stride)= val;
485
    }else if(w==16){
486
        *(uint32_t*)(p + 0+0*stride)=
487
        *(uint32_t*)(p + 4+0*stride)=
488
        *(uint32_t*)(p + 8+0*stride)=
489
        *(uint32_t*)(p +12+0*stride)=
490
        *(uint32_t*)(p + 0+1*stride)=
491
        *(uint32_t*)(p + 4+1*stride)=
492
        *(uint32_t*)(p + 8+1*stride)=
493
        *(uint32_t*)(p +12+1*stride)= val;
494
        if(h==2) return;
495
        *(uint32_t*)(p + 0+2*stride)=
496
        *(uint32_t*)(p + 4+2*stride)=
497
        *(uint32_t*)(p + 8+2*stride)=
498
        *(uint32_t*)(p +12+2*stride)=
499
        *(uint32_t*)(p + 0+3*stride)=
500
        *(uint32_t*)(p + 4+3*stride)=
501
        *(uint32_t*)(p + 8+3*stride)=
502
        *(uint32_t*)(p +12+3*stride)= val;
503
#endif
504 0da71265 Michael Niedermayer
    }else
505
        assert(0);
506 67a82086 Loren Merritt
    assert(h==4);
507 0da71265 Michael Niedermayer
}
508
509 70abb407 Loren Merritt
static void fill_caches(H264Context *h, int mb_type, int for_deblock){
510 0da71265 Michael Niedermayer
    MpegEncContext * const s = &h->s;
511 7bc9090a Michael Niedermayer
    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
512 0da71265 Michael Niedermayer
    int topleft_xy, top_xy, topright_xy, left_xy[2];
513
    int topleft_type, top_type, topright_type, left_type[2];
514 6867a90b Loic Le Loarer
    int left_block[8];
515 0da71265 Michael Niedermayer
    int i;
516
517 e2e5894a Loren Merritt
    //FIXME deblocking can skip fill_caches much of the time with multiple slices too.
518
    // the actual condition is whether we're on the edge of a slice,
519
    // and even then the intra and nnz parts are unnecessary.
520 5d18eaad Loren Merritt
    if(for_deblock && h->slice_num == 1 && !FRAME_MBAFF)
521 e2e5894a Loren Merritt
        return;
522
523 115329f1 Diego Biurrun
    //wow what a mess, why didn't they simplify the interlacing&intra stuff, i can't imagine that these complex rules are worth it
524
525 6867a90b Loic Le Loarer
    top_xy     = mb_xy  - s->mb_stride;
526
    topleft_xy = top_xy - 1;
527
    topright_xy= top_xy + 1;
528
    left_xy[1] = left_xy[0] = mb_xy-1;
529
    left_block[0]= 0;
530
    left_block[1]= 1;
531
    left_block[2]= 2;
532
    left_block[3]= 3;
533
    left_block[4]= 7;
534
    left_block[5]= 10;
535
    left_block[6]= 8;
536
    left_block[7]= 11;
537 5d18eaad Loren Merritt
    if(FRAME_MBAFF){
538 6867a90b Loic Le Loarer
        const int pair_xy          = s->mb_x     + (s->mb_y & ~1)*s->mb_stride;
539
        const int top_pair_xy      = pair_xy     - s->mb_stride;
540
        const int topleft_pair_xy  = top_pair_xy - 1;
541
        const int topright_pair_xy = top_pair_xy + 1;
542
        const int topleft_mb_frame_flag  = !IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]);
543
        const int top_mb_frame_flag      = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
544
        const int topright_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]);
545
        const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
546
        const int curr_mb_frame_flag = !IS_INTERLACED(mb_type);
547
        const int bottom = (s->mb_y & 1);
548
        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);
549
        if (bottom
550
                ? !curr_mb_frame_flag // bottom macroblock
551
                : (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock
552
                ) {
553
            top_xy -= s->mb_stride;
554
        }
555
        if (bottom
556
                ? !curr_mb_frame_flag // bottom macroblock
557
                : (!curr_mb_frame_flag && !topleft_mb_frame_flag) // top macroblock
558
                ) {
559
            topleft_xy -= s->mb_stride;
560
        }
561
        if (bottom
562
                ? !curr_mb_frame_flag // bottom macroblock
563
                : (!curr_mb_frame_flag && !topright_mb_frame_flag) // top macroblock
564
                ) {
565
            topright_xy -= s->mb_stride;
566
        }
567
        if (left_mb_frame_flag != curr_mb_frame_flag) {
568
            left_xy[1] = left_xy[0] = pair_xy - 1;
569
            if (curr_mb_frame_flag) {
570
                if (bottom) {
571
                    left_block[0]= 2;
572
                    left_block[1]= 2;
573
                    left_block[2]= 3;
574
                    left_block[3]= 3;
575
                    left_block[4]= 8;
576
                    left_block[5]= 11;
577
                    left_block[6]= 8;
578
                    left_block[7]= 11;
579
                } else {
580
                    left_block[0]= 0;
581
                    left_block[1]= 0;
582
                    left_block[2]= 1;
583
                    left_block[3]= 1;
584
                    left_block[4]= 7;
585
                    left_block[5]= 10;
586
                    left_block[6]= 7;
587
                    left_block[7]= 10;
588
                }
589
            } else {
590
                left_xy[1] += s->mb_stride;
591
                //left_block[0]= 0;
592
                left_block[1]= 2;
593
                left_block[2]= 0;
594
                left_block[3]= 2;
595
                //left_block[4]= 7;
596
                left_block[5]= 10;
597
                left_block[6]= 7;
598
                left_block[7]= 10;
599
            }
600
        }
601 0da71265 Michael Niedermayer
    }
602
603 826de46e Loïc Le Loarer
    h->top_mb_xy = top_xy;
604
    h->left_mb_xy[0] = left_xy[0];
605
    h->left_mb_xy[1] = left_xy[1];
606 6ba71fc4 Loïc Le Loarer
    if(for_deblock){
607 46f2f05f Michael Niedermayer
        topleft_type = h->slice_table[topleft_xy ] < 255 ? s->current_picture.mb_type[topleft_xy] : 0;
608
        top_type     = h->slice_table[top_xy     ] < 255 ? s->current_picture.mb_type[top_xy]     : 0;
609
        topright_type= h->slice_table[topright_xy] < 255 ? s->current_picture.mb_type[topright_xy]: 0;
610
        left_type[0] = h->slice_table[left_xy[0] ] < 255 ? s->current_picture.mb_type[left_xy[0]] : 0;
611
        left_type[1] = h->slice_table[left_xy[1] ] < 255 ? s->current_picture.mb_type[left_xy[1]] : 0;
612 5d18eaad Loren Merritt
613
        if(FRAME_MBAFF && !IS_INTRA(mb_type)){
614
            int list;
615
            int v = *(uint16_t*)&h->non_zero_count[mb_xy][14];
616
            for(i=0; i<16; i++)
617
                h->non_zero_count_cache[scan8[i]] = (v>>i)&1;
618
            for(list=0; list<1+(h->slice_type==B_TYPE); list++){
619
                if(USES_LIST(mb_type,list)){
620
                    uint32_t *src = (uint32_t*)s->current_picture.motion_val[list][h->mb2b_xy[mb_xy]];
621
                    uint32_t *dst = (uint32_t*)h->mv_cache[list][scan8[0]];
622
                    uint8_t *ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]];
623
                    for(i=0; i<4; i++, dst+=8, src+=h->b_stride){
624
                        dst[0] = src[0];
625
                        dst[1] = src[1];
626
                        dst[2] = src[2];
627
                        dst[3] = src[3];
628
                    }
629
                    *(uint32_t*)&h->ref_cache[list][scan8[ 0]] =
630
                    *(uint32_t*)&h->ref_cache[list][scan8[ 2]] = pack16to32(ref[0],ref[1])*0x0101;
631
                    ref += h->b8_stride;
632
                    *(uint32_t*)&h->ref_cache[list][scan8[ 8]] =
633
                    *(uint32_t*)&h->ref_cache[list][scan8[10]] = pack16to32(ref[0],ref[1])*0x0101;
634
                }else{
635
                    fill_rectangle(&h-> mv_cache[list][scan8[ 0]], 4, 4, 8, 0, 4);
636
                    fill_rectangle(&h->ref_cache[list][scan8[ 0]], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1);
637
                }
638
            }
639
        }
640 46f2f05f Michael Niedermayer
    }else{
641
        topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;
642
        top_type     = h->slice_table[top_xy     ] == h->slice_num ? s->current_picture.mb_type[top_xy]     : 0;
643
        topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;
644
        left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;
645
        left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;
646
    }
647 0da71265 Michael Niedermayer
648
    if(IS_INTRA(mb_type)){
649 115329f1 Diego Biurrun
        h->topleft_samples_available=
650
        h->top_samples_available=
651 0da71265 Michael Niedermayer
        h->left_samples_available= 0xFFFF;
652
        h->topright_samples_available= 0xEEEA;
653
654
        if(!IS_INTRA(top_type) && (top_type==0 || h->pps.constrained_intra_pred)){
655
            h->topleft_samples_available= 0xB3FF;
656
            h->top_samples_available= 0x33FF;
657
            h->topright_samples_available= 0x26EA;
658
        }
659
        for(i=0; i<2; i++){
660
            if(!IS_INTRA(left_type[i]) && (left_type[i]==0 || h->pps.constrained_intra_pred)){
661
                h->topleft_samples_available&= 0xDF5F;
662
                h->left_samples_available&= 0x5F5F;
663
            }
664
        }
665 115329f1 Diego Biurrun
666 0da71265 Michael Niedermayer
        if(!IS_INTRA(topleft_type) && (topleft_type==0 || h->pps.constrained_intra_pred))
667
            h->topleft_samples_available&= 0x7FFF;
668 115329f1 Diego Biurrun
669 0da71265 Michael Niedermayer
        if(!IS_INTRA(topright_type) && (topright_type==0 || h->pps.constrained_intra_pred))
670
            h->topright_samples_available&= 0xFBFF;
671 115329f1 Diego Biurrun
672 0da71265 Michael Niedermayer
        if(IS_INTRA4x4(mb_type)){
673
            if(IS_INTRA4x4(top_type)){
674
                h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4];
675
                h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5];
676
                h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6];
677
                h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3];
678
            }else{
679
                int pred;
680 6fbcaaa0 Loic Le Loarer
                if(!top_type || (IS_INTER(top_type) && h->pps.constrained_intra_pred))
681 0da71265 Michael Niedermayer
                    pred= -1;
682 6fbcaaa0 Loic Le Loarer
                else{
683
                    pred= 2;
684 0da71265 Michael Niedermayer
                }
685
                h->intra4x4_pred_mode_cache[4+8*0]=
686
                h->intra4x4_pred_mode_cache[5+8*0]=
687
                h->intra4x4_pred_mode_cache[6+8*0]=
688
                h->intra4x4_pred_mode_cache[7+8*0]= pred;
689
            }
690
            for(i=0; i<2; i++){
691
                if(IS_INTRA4x4(left_type[i])){
692
                    h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]];
693
                    h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]];
694
                }else{
695
                    int pred;
696 6fbcaaa0 Loic Le Loarer
                    if(!left_type[i] || (IS_INTER(left_type[i]) && h->pps.constrained_intra_pred))
697 0da71265 Michael Niedermayer
                        pred= -1;
698 6fbcaaa0 Loic Le Loarer
                    else{
699
                        pred= 2;
700 0da71265 Michael Niedermayer
                    }
701
                    h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=
702
                    h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred;
703
                }
704
            }
705
        }
706
    }
707 115329f1 Diego Biurrun
708
709 0da71265 Michael Niedermayer
/*
710 115329f1 Diego Biurrun
0 . T T. T T T T
711
1 L . .L . . . .
712
2 L . .L . . . .
713
3 . T TL . . . .
714
4 L . .L . . . .
715
5 L . .. . . . .
716 0da71265 Michael Niedermayer
*/
717
//FIXME constraint_intra_pred & partitioning & nnz (lets hope this is just a typo in the spec)
718
    if(top_type){
719 6867a90b Loic Le Loarer
        h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][4];
720
        h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][5];
721
        h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][6];
722 53c05b1e Michael Niedermayer
        h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][3];
723 115329f1 Diego Biurrun
724 6867a90b Loic Le Loarer
        h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][9];
725 53c05b1e Michael Niedermayer
        h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][8];
726 115329f1 Diego Biurrun
727 6867a90b Loic Le Loarer
        h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][12];
728 53c05b1e Michael Niedermayer
        h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][11];
729 115329f1 Diego Biurrun
730 0da71265 Michael Niedermayer
    }else{
731 115329f1 Diego Biurrun
        h->non_zero_count_cache[4+8*0]=
732 0da71265 Michael Niedermayer
        h->non_zero_count_cache[5+8*0]=
733
        h->non_zero_count_cache[6+8*0]=
734
        h->non_zero_count_cache[7+8*0]=
735 115329f1 Diego Biurrun
736 0da71265 Michael Niedermayer
        h->non_zero_count_cache[1+8*0]=
737
        h->non_zero_count_cache[2+8*0]=
738 115329f1 Diego Biurrun
739 0da71265 Michael Niedermayer
        h->non_zero_count_cache[1+8*3]=
740 3981c385 Michael Niedermayer
        h->non_zero_count_cache[2+8*3]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
741 115329f1 Diego Biurrun
742 0da71265 Michael Niedermayer
    }
743 826de46e Loïc Le Loarer
744 6867a90b Loic Le Loarer
    for (i=0; i<2; i++) {
745
        if(left_type[i]){
746
            h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[0+2*i]];
747
            h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[1+2*i]];
748
            h->non_zero_count_cache[0+8*1 +   8*i]= h->non_zero_count[left_xy[i]][left_block[4+2*i]];
749
            h->non_zero_count_cache[0+8*4 +   8*i]= h->non_zero_count[left_xy[i]][left_block[5+2*i]];
750
        }else{
751 115329f1 Diego Biurrun
            h->non_zero_count_cache[3+8*1 + 2*8*i]=
752
            h->non_zero_count_cache[3+8*2 + 2*8*i]=
753
            h->non_zero_count_cache[0+8*1 +   8*i]=
754 6867a90b Loic Le Loarer
            h->non_zero_count_cache[0+8*4 +   8*i]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64;
755 826de46e Loïc Le Loarer
        }
756
    }
757
758
    if( h->pps.cabac ) {
759
        // top_cbp
760
        if(top_type) {
761
            h->top_cbp = h->cbp_table[top_xy];
762
        } else if(IS_INTRA(mb_type)) {
763
            h->top_cbp = 0x1C0;
764
        } else {
765
            h->top_cbp = 0;
766
        }
767
        // left_cbp
768
        if (left_type[0]) {
769
            h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0;
770
        } else if(IS_INTRA(mb_type)) {
771
            h->left_cbp = 0x1C0;
772
        } else {
773
            h->left_cbp = 0;
774
        }
775
        if (left_type[0]) {
776
            h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1;
777
        }
778
        if (left_type[1]) {
779
            h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3;
780 6867a90b Loic Le Loarer
        }
781 0da71265 Michael Niedermayer
    }
782 6867a90b Loic Le Loarer
783 0da71265 Michael Niedermayer
#if 1
784 5ad984c9 Loren Merritt
    //FIXME direct mb can skip much of this
785 e2e5894a Loren Merritt
    if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
786 0da71265 Michael Niedermayer
        int list;
787 e2e5894a Loren Merritt
        for(list=0; list<1+(h->slice_type==B_TYPE); list++){
788
            if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type) && !h->deblocking_filter){
789 0da71265 Michael Niedermayer
                /*if(!h->mv_cache_clean[list]){
790
                    memset(h->mv_cache [list],  0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all?
791
                    memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t));
792
                    h->mv_cache_clean[list]= 1;
793
                }*/
794 5ad984c9 Loren Merritt
                continue;
795 0da71265 Michael Niedermayer
            }
796
            h->mv_cache_clean[list]= 0;
797 115329f1 Diego Biurrun
798 53b19144 Loren Merritt
            if(USES_LIST(top_type, list)){
799 0da71265 Michael Niedermayer
                const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
800
                const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
801
                *(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0];
802
                *(uint32_t*)h->mv_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 1];
803
                *(uint32_t*)h->mv_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 2];
804
                *(uint32_t*)h->mv_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 3];
805
                h->ref_cache[list][scan8[0] + 0 - 1*8]=
806
                h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0];
807
                h->ref_cache[list][scan8[0] + 2 - 1*8]=
808
                h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1];
809
            }else{
810 115329f1 Diego Biurrun
                *(uint32_t*)h->mv_cache [list][scan8[0] + 0 - 1*8]=
811
                *(uint32_t*)h->mv_cache [list][scan8[0] + 1 - 1*8]=
812
                *(uint32_t*)h->mv_cache [list][scan8[0] + 2 - 1*8]=
813 0da71265 Michael Niedermayer
                *(uint32_t*)h->mv_cache [list][scan8[0] + 3 - 1*8]= 0;
814
                *(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;
815
            }
816
817
            //FIXME unify cleanup or sth
818 53b19144 Loren Merritt
            if(USES_LIST(left_type[0], list)){
819 0da71265 Michael Niedermayer
                const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
820
                const int b8_xy= h->mb2b8_xy[left_xy[0]] + 1;
821
                *(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]];
822
                *(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]];
823 5d18eaad Loren Merritt
                h->ref_cache[list][scan8[0] - 1 + 0*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0]>>1)];
824
                h->ref_cache[list][scan8[0] - 1 + 1*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1]>>1)];
825 0da71265 Michael Niedermayer
            }else{
826
                *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 0*8]=
827
                *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 1*8]= 0;
828
                h->ref_cache[list][scan8[0] - 1 + 0*8]=
829
                h->ref_cache[list][scan8[0] - 1 + 1*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
830
            }
831 115329f1 Diego Biurrun
832 53b19144 Loren Merritt
            if(USES_LIST(left_type[1], list)){
833 0da71265 Michael Niedermayer
                const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
834
                const int b8_xy= h->mb2b8_xy[left_xy[1]] + 1;
835
                *(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]];
836
                *(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]];
837 5d18eaad Loren Merritt
                h->ref_cache[list][scan8[0] - 1 + 2*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[2]>>1)];
838
                h->ref_cache[list][scan8[0] - 1 + 3*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[3]>>1)];
839 0da71265 Michael Niedermayer
            }else{
840
                *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 2*8]=
841
                *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 3*8]= 0;
842
                h->ref_cache[list][scan8[0] - 1 + 2*8]=
843
                h->ref_cache[list][scan8[0] - 1 + 3*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
844 d9c780a8 Michael Niedermayer
                assert((!left_type[0]) == (!left_type[1]));
845 0da71265 Michael Niedermayer
            }
846
847 e2e5894a Loren Merritt
            if(for_deblock || (IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred))
848 46f2f05f Michael Niedermayer
                continue;
849
850 53b19144 Loren Merritt
            if(USES_LIST(topleft_type, list)){
851 e2e5894a Loren Merritt
                const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride;
852
                const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + h->b8_stride;
853
                *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
854
                h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];
855
            }else{
856
                *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0;
857
                h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
858
            }
859 115329f1 Diego Biurrun
860 53b19144 Loren Merritt
            if(USES_LIST(topright_type, list)){
861 e2e5894a Loren Merritt
                const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;
862
                const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;
863
                *(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
864
                h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy];
865
            }else{
866
                *(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0;
867
                h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
868
            }
869
870 115329f1 Diego Biurrun
871
            h->ref_cache[list][scan8[5 ]+1] =
872
            h->ref_cache[list][scan8[7 ]+1] =
873 3b66c4c5 Kevin Baragona
            h->ref_cache[list][scan8[13]+1] =  //FIXME remove past 3 (init somewhere else)
874 115329f1 Diego Biurrun
            h->ref_cache[list][scan8[4 ]] =
875 0da71265 Michael Niedermayer
            h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;
876
            *(uint32_t*)h->mv_cache [list][scan8[5 ]+1]=
877
            *(uint32_t*)h->mv_cache [list][scan8[7 ]+1]=
878 3b66c4c5 Kevin Baragona
            *(uint32_t*)h->mv_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
879 0da71265 Michael Niedermayer
            *(uint32_t*)h->mv_cache [list][scan8[4 ]]=
880
            *(uint32_t*)h->mv_cache [list][scan8[12]]= 0;
881 9e528114 Laurent Aimar
882
            if( h->pps.cabac ) {
883
                /* XXX beurk, Load mvd */
884 53b19144 Loren Merritt
                if(USES_LIST(top_type, list)){
885 9e528114 Laurent Aimar
                    const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
886
                    *(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0];
887
                    *(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1];
888
                    *(uint32_t*)h->mvd_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 2];
889
                    *(uint32_t*)h->mvd_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 3];
890
                }else{
891 115329f1 Diego Biurrun
                    *(uint32_t*)h->mvd_cache [list][scan8[0] + 0 - 1*8]=
892
                    *(uint32_t*)h->mvd_cache [list][scan8[0] + 1 - 1*8]=
893
                    *(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]=
894 9e528114 Laurent Aimar
                    *(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0;
895
                }
896 53b19144 Loren Merritt
                if(USES_LIST(left_type[0], list)){
897 9e528114 Laurent Aimar
                    const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
898
                    *(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]];
899
                    *(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]];
900
                }else{
901
                    *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]=
902
                    *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0;
903
                }
904 53b19144 Loren Merritt
                if(USES_LIST(left_type[1], list)){
905 9e528114 Laurent Aimar
                    const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
906
                    *(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]];
907
                    *(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]];
908
                }else{
909
                    *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]=
910
                    *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0;
911
                }
912
                *(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]=
913
                *(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]=
914 3b66c4c5 Kevin Baragona
                *(uint32_t*)h->mvd_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else)
915 9e528114 Laurent Aimar
                *(uint32_t*)h->mvd_cache [list][scan8[4 ]]=
916
                *(uint32_t*)h->mvd_cache [list][scan8[12]]= 0;
917 5ad984c9 Loren Merritt
918
                if(h->slice_type == B_TYPE){
919
                    fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, 0, 1);
920
921
                    if(IS_DIRECT(top_type)){
922
                        *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101;
923
                    }else if(IS_8X8(top_type)){
924
                        int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride;
925
                        h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy];
926
                        h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1];
927
                    }else{
928
                        *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0;
929
                    }
930 115329f1 Diego Biurrun
931 5d18eaad Loren Merritt
                    if(IS_DIRECT(left_type[0]))
932
                        h->direct_cache[scan8[0] - 1 + 0*8]= 1;
933
                    else if(IS_8X8(left_type[0]))
934
                        h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[h->mb2b8_xy[left_xy[0]] + 1 + h->b8_stride*(left_block[0]>>1)];
935
                    else
936
                        h->direct_cache[scan8[0] - 1 + 0*8]= 0;
937
938
                    if(IS_DIRECT(left_type[1]))
939 5ad984c9 Loren Merritt
                        h->direct_cache[scan8[0] - 1 + 2*8]= 1;
940 5d18eaad Loren Merritt
                    else if(IS_8X8(left_type[1]))
941
                        h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[h->mb2b8_xy[left_xy[1]] + 1 + h->b8_stride*(left_block[2]>>1)];
942
                    else
943 5ad984c9 Loren Merritt
                        h->direct_cache[scan8[0] - 1 + 2*8]= 0;
944 5d18eaad Loren Merritt
                }
945
            }
946
947
            if(FRAME_MBAFF){
948
#define MAP_MVS\
949
                    MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\
950
                    MAP_F2F(scan8[0] + 0 - 1*8, top_type)\
951
                    MAP_F2F(scan8[0] + 1 - 1*8, top_type)\
952
                    MAP_F2F(scan8[0] + 2 - 1*8, top_type)\
953
                    MAP_F2F(scan8[0] + 3 - 1*8, top_type)\
954
                    MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\
955
                    MAP_F2F(scan8[0] - 1 + 0*8, left_type[0])\
956
                    MAP_F2F(scan8[0] - 1 + 1*8, left_type[0])\
957
                    MAP_F2F(scan8[0] - 1 + 2*8, left_type[1])\
958
                    MAP_F2F(scan8[0] - 1 + 3*8, left_type[1])
959
                if(MB_FIELD){
960
#define MAP_F2F(idx, mb_type)\
961
                    if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
962
                        h->ref_cache[list][idx] <<= 1;\
963
                        h->mv_cache[list][idx][1] /= 2;\
964
                        h->mvd_cache[list][idx][1] /= 2;\
965
                    }
966
                    MAP_MVS
967
#undef MAP_F2F
968
                }else{
969
#define MAP_F2F(idx, mb_type)\
970
                    if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
971
                        h->ref_cache[list][idx] >>= 1;\
972
                        h->mv_cache[list][idx][1] <<= 1;\
973
                        h->mvd_cache[list][idx][1] <<= 1;\
974 5ad984c9 Loren Merritt
                    }
975 5d18eaad Loren Merritt
                    MAP_MVS
976
#undef MAP_F2F
977 5ad984c9 Loren Merritt
                }
978 9e528114 Laurent Aimar
            }
979 0da71265 Michael Niedermayer
        }
980
    }
981
#endif
982 43efd19a Loren Merritt
983
    h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);
984 0da71265 Michael Niedermayer
}
985
986
static inline void write_back_intra_pred_mode(H264Context *h){
987
    MpegEncContext * const s = &h->s;
988 7bc9090a Michael Niedermayer
    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
989 0da71265 Michael Niedermayer
990
    h->intra4x4_pred_mode[mb_xy][0]= h->intra4x4_pred_mode_cache[7+8*1];
991
    h->intra4x4_pred_mode[mb_xy][1]= h->intra4x4_pred_mode_cache[7+8*2];
992
    h->intra4x4_pred_mode[mb_xy][2]= h->intra4x4_pred_mode_cache[7+8*3];
993
    h->intra4x4_pred_mode[mb_xy][3]= h->intra4x4_pred_mode_cache[7+8*4];
994
    h->intra4x4_pred_mode[mb_xy][4]= h->intra4x4_pred_mode_cache[4+8*4];
995
    h->intra4x4_pred_mode[mb_xy][5]= h->intra4x4_pred_mode_cache[5+8*4];
996
    h->intra4x4_pred_mode[mb_xy][6]= h->intra4x4_pred_mode_cache[6+8*4];
997
}
998
999
/**
1000
 * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
1001
 */
1002
static inline int check_intra4x4_pred_mode(H264Context *h){
1003
    MpegEncContext * const s = &h->s;
1004
    static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0};
1005
    static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED};
1006
    int i;
1007 115329f1 Diego Biurrun
1008 0da71265 Michael Niedermayer
    if(!(h->top_samples_available&0x8000)){
1009
        for(i=0; i<4; i++){
1010
            int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ];
1011
            if(status<0){
1012 9b879566 Michel Bardiaux
                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);
1013 0da71265 Michael Niedermayer
                return -1;
1014
            } else if(status){
1015
                h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
1016
            }
1017
        }
1018
    }
1019 115329f1 Diego Biurrun
1020 0da71265 Michael Niedermayer
    if(!(h->left_samples_available&0x8000)){
1021
        for(i=0; i<4; i++){
1022
            int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ];
1023
            if(status<0){
1024 9b879566 Michel Bardiaux
                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);
1025 0da71265 Michael Niedermayer
                return -1;
1026
            } else if(status){
1027
                h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status;
1028
            }
1029
        }
1030
    }
1031
1032
    return 0;
1033
} //FIXME cleanup like next
1034
1035
/**
1036
 * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
1037
 */
1038
static inline int check_intra_pred_mode(H264Context *h, int mode){
1039
    MpegEncContext * const s = &h->s;
1040
    static const int8_t top [7]= {LEFT_DC_PRED8x8, 1,-1,-1};
1041
    static const int8_t left[7]= { TOP_DC_PRED8x8,-1, 2,-1,DC_128_PRED8x8};
1042 115329f1 Diego Biurrun
1043 5175b937 Loic Le Loarer
    if(mode < 0 || mode > 6) {
1044
        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);
1045 7440fe83 Michael Niedermayer
        return -1;
1046 5175b937 Loic Le Loarer
    }
1047 115329f1 Diego Biurrun
1048 0da71265 Michael Niedermayer
    if(!(h->top_samples_available&0x8000)){
1049
        mode= top[ mode ];
1050
        if(mode<0){
1051 9b879566 Michel Bardiaux
            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);
1052 0da71265 Michael Niedermayer
            return -1;
1053
        }
1054
    }
1055 115329f1 Diego Biurrun
1056 0da71265 Michael Niedermayer
    if(!(h->left_samples_available&0x8000)){
1057
        mode= left[ mode ];
1058
        if(mode<0){
1059 9b879566 Michel Bardiaux
            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);
1060 0da71265 Michael Niedermayer
            return -1;
1061 115329f1 Diego Biurrun
        }
1062 0da71265 Michael Niedermayer
    }
1063
1064
    return mode;
1065
}
1066
1067
/**
1068
 * gets the predicted intra4x4 prediction mode.
1069
 */
1070
static inline int pred_intra_mode(H264Context *h, int n){
1071
    const int index8= scan8[n];
1072
    const int left= h->intra4x4_pred_mode_cache[index8 - 1];
1073
    const int top = h->intra4x4_pred_mode_cache[index8 - 8];
1074
    const int min= FFMIN(left, top);
1075
1076 95c26348 Michael Niedermayer
    tprintf("mode:%d %d min:%d\n", left ,top, min);
1077 0da71265 Michael Niedermayer
1078
    if(min<0) return DC_PRED;
1079
    else      return min;
1080
}
1081
1082
static inline void write_back_non_zero_count(H264Context *h){
1083
    MpegEncContext * const s = &h->s;
1084 7bc9090a Michael Niedermayer
    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
1085 0da71265 Michael Niedermayer
1086 6867a90b Loic Le Loarer
    h->non_zero_count[mb_xy][0]= h->non_zero_count_cache[7+8*1];
1087
    h->non_zero_count[mb_xy][1]= h->non_zero_count_cache[7+8*2];
1088
    h->non_zero_count[mb_xy][2]= h->non_zero_count_cache[7+8*3];
1089 53c05b1e Michael Niedermayer
    h->non_zero_count[mb_xy][3]= h->non_zero_count_cache[7+8*4];
1090 6867a90b Loic Le Loarer
    h->non_zero_count[mb_xy][4]= h->non_zero_count_cache[4+8*4];
1091
    h->non_zero_count[mb_xy][5]= h->non_zero_count_cache[5+8*4];
1092
    h->non_zero_count[mb_xy][6]= h->non_zero_count_cache[6+8*4];
1093 115329f1 Diego Biurrun
1094 6867a90b Loic Le Loarer
    h->non_zero_count[mb_xy][9]= h->non_zero_count_cache[1+8*2];
1095 53c05b1e Michael Niedermayer
    h->non_zero_count[mb_xy][8]= h->non_zero_count_cache[2+8*2];
1096 6867a90b Loic Le Loarer
    h->non_zero_count[mb_xy][7]= h->non_zero_count_cache[2+8*1];
1097 53c05b1e Michael Niedermayer
1098 6867a90b Loic Le Loarer
    h->non_zero_count[mb_xy][12]=h->non_zero_count_cache[1+8*5];
1099 53c05b1e Michael Niedermayer
    h->non_zero_count[mb_xy][11]=h->non_zero_count_cache[2+8*5];
1100 6867a90b Loic Le Loarer
    h->non_zero_count[mb_xy][10]=h->non_zero_count_cache[2+8*4];
1101 5d18eaad Loren Merritt
1102
    if(FRAME_MBAFF){
1103
        // store all luma nnzs, for deblocking
1104
        int v = 0, i;
1105
        for(i=0; i<16; i++)
1106
            v += (!!h->non_zero_count_cache[scan8[i]]) << i;
1107
        *(uint16_t*)&h->non_zero_count[mb_xy][14] = v;
1108
    }
1109 0da71265 Michael Niedermayer
}
1110
1111
/**
1112
 * gets the predicted number of non zero coefficients.
1113
 * @param n block index
1114
 */
1115
static inline int pred_non_zero_count(H264Context *h, int n){
1116
    const int index8= scan8[n];
1117
    const int left= h->non_zero_count_cache[index8 - 1];
1118
    const int top = h->non_zero_count_cache[index8 - 8];
1119
    int i= left + top;
1120 115329f1 Diego Biurrun
1121 0da71265 Michael Niedermayer
    if(i<64) i= (i+1)>>1;
1122
1123 95c26348 Michael Niedermayer
    tprintf("pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31);
1124 0da71265 Michael Niedermayer
1125
    return i&31;
1126
}
1127
1128 1924f3ce Michael Niedermayer
static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, int list, int part_width){
1129
    const int topright_ref= h->ref_cache[list][ i - 8 + part_width ];
1130
1131 5d18eaad Loren Merritt
    /* there is no consistent mapping of mvs to neighboring locations that will
1132
     * make mbaff happy, so we can't move all this logic to fill_caches */
1133
    if(FRAME_MBAFF){
1134
        MpegEncContext *s = &h->s;
1135
        const int *mb_types = s->current_picture_ptr->mb_type;
1136
        const int16_t *mv;
1137
        *(uint32_t*)h->mv_cache[list][scan8[0]-2] = 0;
1138
        *C = h->mv_cache[list][scan8[0]-2];
1139
1140
        if(!MB_FIELD
1141
           && (s->mb_y&1) && i < scan8[0]+8 && topright_ref != PART_NOT_AVAILABLE){
1142
            int topright_xy = s->mb_x + (s->mb_y-1)*s->mb_stride + (i == scan8[0]+3);
1143
            if(IS_INTERLACED(mb_types[topright_xy])){
1144
#define SET_DIAG_MV(MV_OP, REF_OP, X4, Y4)\
1145
                const int x4 = X4, y4 = Y4;\
1146
                const int mb_type = mb_types[(x4>>2)+(y4>>2)*s->mb_stride];\
1147
                if(!USES_LIST(mb_type,list) && !IS_8X8(mb_type))\
1148
                    return LIST_NOT_USED;\
1149
                mv = s->current_picture_ptr->motion_val[list][x4 + y4*h->b_stride];\
1150
                h->mv_cache[list][scan8[0]-2][0] = mv[0];\
1151
                h->mv_cache[list][scan8[0]-2][1] = mv[1] MV_OP;\
1152
                return s->current_picture_ptr->ref_index[list][(x4>>1) + (y4>>1)*h->b8_stride] REF_OP;
1153
1154
                SET_DIAG_MV(*2, >>1, s->mb_x*4+(i&7)-4+part_width, s->mb_y*4-1);
1155
            }
1156
        }
1157
        if(topright_ref == PART_NOT_AVAILABLE
1158
           && ((s->mb_y&1) || i >= scan8[0]+8) && (i&7)==4
1159
           && h->ref_cache[list][scan8[0]-1] != PART_NOT_AVAILABLE){
1160
            if(!MB_FIELD
1161
               && IS_INTERLACED(mb_types[h->left_mb_xy[0]])){
1162
                SET_DIAG_MV(*2, >>1, s->mb_x*4-1, (s->mb_y|1)*4+(s->mb_y&1)*2+(i>>4)-1);
1163
            }
1164
            if(MB_FIELD
1165
               && !IS_INTERLACED(mb_types[h->left_mb_xy[0]])
1166
               && i >= scan8[0]+8){
1167
                // leftshift will turn LIST_NOT_USED into PART_NOT_AVAILABLE, but that's ok.
1168
                SET_DIAG_MV(>>1, <<1, s->mb_x*4-1, (s->mb_y&~1)*4 - 1 + ((i-scan8[0])>>3)*2);
1169
            }
1170
        }
1171
#undef SET_DIAG_MV
1172
    }
1173
1174 1924f3ce Michael Niedermayer
    if(topright_ref != PART_NOT_AVAILABLE){
1175
        *C= h->mv_cache[list][ i - 8 + part_width ];
1176
        return topright_ref;
1177
    }else{
1178 95c26348 Michael Niedermayer
        tprintf("topright MV not available\n");
1179
1180 1924f3ce Michael Niedermayer
        *C= h->mv_cache[list][ i - 8 - 1 ];
1181
        return h->ref_cache[list][ i - 8 - 1 ];
1182
    }
1183
}
1184
1185 0da71265 Michael Niedermayer
/**
1186
 * gets the predicted MV.
1187
 * @param n the block index
1188
 * @param part_width the width of the partition (4, 8,16) -> (1, 2, 4)
1189
 * @param mx the x component of the predicted motion vector
1190
 * @param my the y component of the predicted motion vector
1191
 */
1192
static inline void pred_motion(H264Context * const h, int n, int part_width, int list, int ref, int * const mx, int * const my){
1193
    const int index8= scan8[n];
1194
    const int top_ref=      h->ref_cache[list][ index8 - 8 ];
1195
    const int left_ref=     h->ref_cache[list][ index8 - 1 ];
1196
    const int16_t * const A= h->mv_cache[list][ index8 - 1 ];
1197
    const int16_t * const B= h->mv_cache[list][ index8 - 8 ];
1198 1924f3ce Michael Niedermayer
    const int16_t * C;
1199
    int diagonal_ref, match_count;
1200
1201 0da71265 Michael Niedermayer
    assert(part_width==1 || part_width==2 || part_width==4);
1202 1924f3ce Michael Niedermayer
1203 0da71265 Michael Niedermayer
/* mv_cache
1204 115329f1 Diego Biurrun
  B . . A T T T T
1205 0da71265 Michael Niedermayer
  U . . L . . , .
1206
  U . . L . . . .
1207
  U . . L . . , .
1208
  . . . L . . . .
1209
*/
1210 1924f3ce Michael Niedermayer
1211
    diagonal_ref= fetch_diagonal_mv(h, &C, index8, list, part_width);
1212
    match_count= (diagonal_ref==ref) + (top_ref==ref) + (left_ref==ref);
1213 827c91bf Loic Le Loarer
    tprintf("pred_motion match_count=%d\n", match_count);
1214 1924f3ce Michael Niedermayer
    if(match_count > 1){ //most common
1215
        *mx= mid_pred(A[0], B[0], C[0]);
1216
        *my= mid_pred(A[1], B[1], C[1]);
1217
    }else if(match_count==1){
1218
        if(left_ref==ref){
1219
            *mx= A[0];
1220 115329f1 Diego Biurrun
            *my= A[1];
1221 1924f3ce Michael Niedermayer
        }else if(top_ref==ref){
1222
            *mx= B[0];
1223 115329f1 Diego Biurrun
            *my= B[1];
1224 0da71265 Michael Niedermayer
        }else{
1225 1924f3ce Michael Niedermayer
            *mx= C[0];
1226 115329f1 Diego Biurrun
            *my= C[1];
1227 0da71265 Michael Niedermayer
        }
1228
    }else{
1229 1924f3ce Michael Niedermayer
        if(top_ref == PART_NOT_AVAILABLE && diagonal_ref == PART_NOT_AVAILABLE && left_ref != PART_NOT_AVAILABLE){
1230 0da71265 Michael Niedermayer
            *mx= A[0];
1231 115329f1 Diego Biurrun
            *my= A[1];
1232 0da71265 Michael Niedermayer
        }else{
1233 1924f3ce Michael Niedermayer
            *mx= mid_pred(A[0], B[0], C[0]);
1234
            *my= mid_pred(A[1], B[1], C[1]);
1235 0da71265 Michael Niedermayer
        }
1236
    }
1237 115329f1 Diego Biurrun
1238 af6e2fed Michael Niedermayer
    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);
1239 0da71265 Michael Niedermayer
}
1240
1241
/**
1242
 * gets the directionally predicted 16x8 MV.
1243
 * @param n the block index
1244
 * @param mx the x component of the predicted motion vector
1245
 * @param my the y component of the predicted motion vector
1246
 */
1247
static inline void pred_16x8_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
1248
    if(n==0){
1249
        const int top_ref=      h->ref_cache[list][ scan8[0] - 8 ];
1250
        const int16_t * const B= h->mv_cache[list][ scan8[0] - 8 ];
1251
1252 579448a0 Loïc Le Loarer
        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);
1253 115329f1 Diego Biurrun
1254 0da71265 Michael Niedermayer
        if(top_ref == ref){
1255
            *mx= B[0];
1256
            *my= B[1];
1257
            return;
1258
        }
1259
    }else{
1260
        const int left_ref=     h->ref_cache[list][ scan8[8] - 1 ];
1261
        const int16_t * const A= h->mv_cache[list][ scan8[8] - 1 ];
1262 115329f1 Diego Biurrun
1263 579448a0 Loïc Le Loarer
        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);
1264 0da71265 Michael Niedermayer
1265
        if(left_ref == ref){
1266
            *mx= A[0];
1267
            *my= A[1];
1268
            return;
1269
        }
1270
    }
1271
1272
    //RARE
1273
    pred_motion(h, n, 4, list, ref, mx, my);
1274
}
1275
1276
/**
1277
 * gets the directionally predicted 8x16 MV.
1278
 * @param n the block index
1279
 * @param mx the x component of the predicted motion vector
1280
 * @param my the y component of the predicted motion vector
1281
 */
1282
static inline void pred_8x16_motion(H264Context * const h, int n, int list, int ref, int * const mx, int * const my){
1283
    if(n==0){
1284
        const int left_ref=      h->ref_cache[list][ scan8[0] - 1 ];
1285
        const int16_t * const A=  h->mv_cache[list][ scan8[0] - 1 ];
1286 115329f1 Diego Biurrun
1287 579448a0 Loïc Le Loarer
        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);
1288 0da71265 Michael Niedermayer
1289
        if(left_ref == ref){
1290
            *mx= A[0];
1291
            *my= A[1];
1292
            return;
1293
        }
1294
    }else{
1295 1924f3ce Michael Niedermayer
        const int16_t * C;
1296
        int diagonal_ref;
1297
1298
        diagonal_ref= fetch_diagonal_mv(h, &C, scan8[4], list, 2);
1299 115329f1 Diego Biurrun
1300 579448a0 Loïc Le Loarer
        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);
1301 0da71265 Michael Niedermayer
1302 115329f1 Diego Biurrun
        if(diagonal_ref == ref){
1303 0da71265 Michael Niedermayer
            *mx= C[0];
1304
            *my= C[1];
1305
            return;
1306
        }
1307
    }
1308
1309
    //RARE
1310
    pred_motion(h, n, 2, list, ref, mx, my);
1311
}
1312
1313
static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my){
1314
    const int top_ref = h->ref_cache[0][ scan8[0] - 8 ];
1315
    const int left_ref= h->ref_cache[0][ scan8[0] - 1 ];
1316
1317 5175b937 Loic Le Loarer
    tprintf("pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
1318 0da71265 Michael Niedermayer
1319
    if(top_ref == PART_NOT_AVAILABLE || left_ref == PART_NOT_AVAILABLE
1320
       || (top_ref == 0  && *(uint32_t*)h->mv_cache[0][ scan8[0] - 8 ] == 0)
1321
       || (left_ref == 0 && *(uint32_t*)h->mv_cache[0][ scan8[0] - 1 ] == 0)){
1322 115329f1 Diego Biurrun
1323 0da71265 Michael Niedermayer
        *mx = *my = 0;
1324
        return;
1325
    }
1326 115329f1 Diego Biurrun
1327 0da71265 Michael Niedermayer
    pred_motion(h, 0, 4, 0, 0, mx, my);
1328
1329
    return;
1330
}
1331
1332 5ad984c9 Loren Merritt
static inline void direct_dist_scale_factor(H264Context * const h){
1333
    const int poc = h->s.current_picture_ptr->poc;
1334
    const int poc1 = h->ref_list[1][0].poc;
1335
    int i;
1336
    for(i=0; i<h->ref_count[0]; i++){
1337
        int poc0 = h->ref_list[0][i].poc;
1338
        int td = clip(poc1 - poc0, -128, 127);
1339
        if(td == 0 /* FIXME || pic0 is a long-term ref */){
1340
            h->dist_scale_factor[i] = 256;
1341
        }else{
1342
            int tb = clip(poc - poc0, -128, 127);
1343
            int tx = (16384 + (ABS(td) >> 1)) / td;
1344
            h->dist_scale_factor[i] = clip((tb*tx + 32) >> 6, -1024, 1023);
1345
        }
1346
    }
1347 5d18eaad Loren Merritt
    if(FRAME_MBAFF){
1348
        for(i=0; i<h->ref_count[0]; i++){
1349
            h->dist_scale_factor_field[2*i] =
1350
            h->dist_scale_factor_field[2*i+1] = h->dist_scale_factor[i];
1351
        }
1352
    }
1353 5ad984c9 Loren Merritt
}
1354 2f944356 Loren Merritt
static inline void direct_ref_list_init(H264Context * const h){
1355
    MpegEncContext * const s = &h->s;
1356
    Picture * const ref1 = &h->ref_list[1][0];
1357
    Picture * const cur = s->current_picture_ptr;
1358
    int list, i, j;
1359
    if(cur->pict_type == I_TYPE)
1360
        cur->ref_count[0] = 0;
1361
    if(cur->pict_type != B_TYPE)
1362
        cur->ref_count[1] = 0;
1363
    for(list=0; list<2; list++){
1364
        cur->ref_count[list] = h->ref_count[list];
1365
        for(j=0; j<h->ref_count[list]; j++)
1366
            cur->ref_poc[list][j] = h->ref_list[list][j].poc;
1367
    }
1368
    if(cur->pict_type != B_TYPE || h->direct_spatial_mv_pred)
1369
        return;
1370
    for(list=0; list<2; list++){
1371
        for(i=0; i<ref1->ref_count[list]; i++){
1372
            const int poc = ref1->ref_poc[list][i];
1373 171c4076 Loren Merritt
            h->map_col_to_list0[list][i] = 0; /* bogus; fills in for missing frames */
1374 2f944356 Loren Merritt
            for(j=0; j<h->ref_count[list]; j++)
1375
                if(h->ref_list[list][j].poc == poc){
1376
                    h->map_col_to_list0[list][i] = j;
1377
                    break;
1378
                }
1379
        }
1380
    }
1381 5d18eaad Loren Merritt
    if(FRAME_MBAFF){
1382
        for(list=0; list<2; list++){
1383
            for(i=0; i<ref1->ref_count[list]; i++){
1384
                j = h->map_col_to_list0[list][i];
1385
                h->map_col_to_list0_field[list][2*i] = 2*j;
1386
                h->map_col_to_list0_field[list][2*i+1] = 2*j+1;
1387
            }
1388
        }
1389
    }
1390 2f944356 Loren Merritt
}
1391 5ad984c9 Loren Merritt
1392
static inline void pred_direct_motion(H264Context * const h, int *mb_type){
1393
    MpegEncContext * const s = &h->s;
1394
    const int mb_xy =   s->mb_x +   s->mb_y*s->mb_stride;
1395
    const int b8_xy = 2*s->mb_x + 2*s->mb_y*h->b8_stride;
1396
    const int b4_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
1397
    const int mb_type_col = h->ref_list[1][0].mb_type[mb_xy];
1398
    const int16_t (*l1mv0)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[0][b4_xy];
1399 4866bd2b Michael Niedermayer
    const int16_t (*l1mv1)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[1][b4_xy];
1400 5ad984c9 Loren Merritt
    const int8_t *l1ref0 = &h->ref_list[1][0].ref_index[0][b8_xy];
1401 2f944356 Loren Merritt
    const int8_t *l1ref1 = &h->ref_list[1][0].ref_index[1][b8_xy];
1402 5ad984c9 Loren Merritt
    const int is_b8x8 = IS_8X8(*mb_type);
1403
    int sub_mb_type;
1404
    int i8, i4;
1405
1406 5d18eaad Loren Merritt
#define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16|MB_TYPE_INTRA4x4|MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM)
1407 5ad984c9 Loren Merritt
    if(IS_8X8(mb_type_col) && !h->sps.direct_8x8_inference_flag){
1408
        /* FIXME save sub mb types from previous frames (or derive from MVs)
1409
         * so we know exactly what block size to use */
1410
        sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_4x4 */
1411 3622988f Loren Merritt
        *mb_type =    MB_TYPE_8x8|MB_TYPE_L0L1;
1412 5d18eaad Loren Merritt
    }else if(!is_b8x8 && (mb_type_col & MB_TYPE_16x16_OR_INTRA)){
1413 5ad984c9 Loren Merritt
        sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
1414
        *mb_type =    MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_16x16 */
1415
    }else{
1416
        sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
1417 3622988f Loren Merritt
        *mb_type =    MB_TYPE_8x8|MB_TYPE_L0L1;
1418 5ad984c9 Loren Merritt
    }
1419
    if(!is_b8x8)
1420
        *mb_type |= MB_TYPE_DIRECT2;
1421 5d18eaad Loren Merritt
    if(MB_FIELD)
1422
        *mb_type |= MB_TYPE_INTERLACED;
1423 5ad984c9 Loren Merritt
1424 827c91bf Loic Le Loarer
    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);
1425 115329f1 Diego Biurrun
1426 5ad984c9 Loren Merritt
    if(h->direct_spatial_mv_pred){
1427
        int ref[2];
1428
        int mv[2][2];
1429
        int list;
1430
1431 5d18eaad Loren Merritt
        /* FIXME interlacing + spatial direct uses wrong colocated block positions */
1432
1433 5ad984c9 Loren Merritt
        /* ref = min(neighbors) */
1434
        for(list=0; list<2; list++){
1435
            int refa = h->ref_cache[list][scan8[0] - 1];
1436
            int refb = h->ref_cache[list][scan8[0] - 8];
1437
            int refc = h->ref_cache[list][scan8[0] - 8 + 4];
1438
            if(refc == -2)
1439
                refc = h->ref_cache[list][scan8[0] - 8 - 1];
1440
            ref[list] = refa;
1441
            if(ref[list] < 0 || (refb < ref[list] && refb >= 0))
1442
                ref[list] = refb;
1443
            if(ref[list] < 0 || (refc < ref[list] && refc >= 0))
1444
                ref[list] = refc;
1445
            if(ref[list] < 0)
1446
                ref[list] = -1;
1447
        }
1448
1449
        if(ref[0] < 0 && ref[1] < 0){
1450
            ref[0] = ref[1] = 0;
1451
            mv[0][0] = mv[0][1] =
1452
            mv[1][0] = mv[1][1] = 0;
1453
        }else{
1454
            for(list=0; list<2; list++){
1455
                if(ref[list] >= 0)
1456
                    pred_motion(h, 0, 4, list, ref[list], &mv[list][0], &mv[list][1]);
1457
                else
1458
                    mv[list][0] = mv[list][1] = 0;
1459
            }
1460
        }
1461
1462
        if(ref[1] < 0){
1463
            *mb_type &= ~MB_TYPE_P0L1;
1464
            sub_mb_type &= ~MB_TYPE_P0L1;
1465
        }else if(ref[0] < 0){
1466
            *mb_type &= ~MB_TYPE_P0L0;
1467
            sub_mb_type &= ~MB_TYPE_P0L0;
1468
        }
1469
1470
        if(IS_16X16(*mb_type)){
1471 cec93959 Loren Merritt
            fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
1472
            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
1473 115329f1 Diego Biurrun
            if(!IS_INTRA(mb_type_col)
1474 bf4e3bd2 Måns Rullgård
               && (   (l1ref0[0] == 0 && ABS(l1mv0[0][0]) <= 1 && ABS(l1mv0[0][1]) <= 1)
1475
                   || (l1ref0[0]  < 0 && l1ref1[0] == 0 && ABS(l1mv1[0][0]) <= 1 && ABS(l1mv1[0][1]) <= 1
1476
                       && (h->x264_build>33 || !h->x264_build)))){
1477 5ad984c9 Loren Merritt
                if(ref[0] > 0)
1478
                    fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv[0][0],mv[0][1]), 4);
1479
                else
1480
                    fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
1481
                if(ref[1] > 0)
1482
                    fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv[1][0],mv[1][1]), 4);
1483
                else
1484
                    fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);
1485
            }else{
1486
                fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv[0][0],mv[0][1]), 4);
1487
                fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv[1][0],mv[1][1]), 4);
1488
            }
1489
        }else{
1490
            for(i8=0; i8<4; i8++){
1491
                const int x8 = i8&1;
1492
                const int y8 = i8>>1;
1493 115329f1 Diego Biurrun
1494 5ad984c9 Loren Merritt
                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
1495
                    continue;
1496
                h->sub_mb_type[i8] = sub_mb_type;
1497 115329f1 Diego Biurrun
1498 5ad984c9 Loren Merritt
                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mv[0][0],mv[0][1]), 4);
1499
                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mv[1][0],mv[1][1]), 4);
1500 cec93959 Loren Merritt
                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
1501
                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
1502 115329f1 Diego Biurrun
1503 5ad984c9 Loren Merritt
                /* col_zero_flag */
1504 115329f1 Diego Biurrun
                if(!IS_INTRA(mb_type_col) && (   l1ref0[x8 + y8*h->b8_stride] == 0
1505
                                              || (l1ref0[x8 + y8*h->b8_stride] < 0 && l1ref1[x8 + y8*h->b8_stride] == 0
1506 bf4e3bd2 Måns Rullgård
                                                  && (h->x264_build>33 || !h->x264_build)))){
1507 4866bd2b Michael Niedermayer
                    const int16_t (*l1mv)[2]= l1ref0[x8 + y8*h->b8_stride] == 0 ? l1mv0 : l1mv1;
1508 f1f17e54 Loren Merritt
                    if(IS_SUB_8X8(sub_mb_type)){
1509
                        const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
1510
                        if(ABS(mv_col[0]) <= 1 && ABS(mv_col[1]) <= 1){
1511
                            if(ref[0] == 0)
1512
                                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
1513
                            if(ref[1] == 0)
1514
                                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
1515
                        }
1516
                    }else
1517 5ad984c9 Loren Merritt
                    for(i4=0; i4<4; i4++){
1518 4866bd2b Michael Niedermayer
                        const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
1519 5ad984c9 Loren Merritt
                        if(ABS(mv_col[0]) <= 1 && ABS(mv_col[1]) <= 1){
1520
                            if(ref[0] == 0)
1521
                                *(uint32_t*)h->mv_cache[0][scan8[i8*4+i4]] = 0;
1522
                            if(ref[1] == 0)
1523
                                *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = 0;
1524
                        }
1525
                    }
1526
                }
1527
            }
1528
        }
1529
    }else{ /* direct temporal mv pred */
1530 5d18eaad Loren Merritt
        const int *map_col_to_list0[2] = {h->map_col_to_list0[0], h->map_col_to_list0[1]};
1531
        const int *dist_scale_factor = h->dist_scale_factor;
1532
1533
        if(FRAME_MBAFF){
1534
            if(IS_INTERLACED(*mb_type)){
1535
                map_col_to_list0[0] = h->map_col_to_list0_field[0];
1536
                map_col_to_list0[1] = h->map_col_to_list0_field[1];
1537
                dist_scale_factor = h->dist_scale_factor_field;
1538
            }
1539
            if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col)){
1540
                /* FIXME assumes direct_8x8_inference == 1 */
1541
                const int pair_xy = s->mb_x + (s->mb_y&~1)*s->mb_stride;
1542
                int mb_types_col[2];
1543
                int y_shift;
1544
1545
                *mb_type = MB_TYPE_8x8|MB_TYPE_L0L1
1546
                         | (is_b8x8 ? 0 : MB_TYPE_DIRECT2)
1547
                         | (*mb_type & MB_TYPE_INTERLACED);
1548
                sub_mb_type = MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_16x16;
1549
1550
                if(IS_INTERLACED(*mb_type)){
1551
                    /* frame to field scaling */
1552
                    mb_types_col[0] = h->ref_list[1][0].mb_type[pair_xy];
1553
                    mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
1554
                    if(s->mb_y&1){
1555
                        l1ref0 -= 2*h->b8_stride;
1556
                        l1ref1 -= 2*h->b8_stride;
1557
                        l1mv0 -= 4*h->b_stride;
1558
                        l1mv1 -= 4*h->b_stride;
1559
                    }
1560
                    y_shift = 0;
1561
1562
                    if(   (mb_types_col[0] & MB_TYPE_16x16_OR_INTRA)
1563
                       && (mb_types_col[1] & MB_TYPE_16x16_OR_INTRA)
1564
                       && !is_b8x8)
1565
                        *mb_type |= MB_TYPE_16x8;
1566
                    else
1567
                        *mb_type |= MB_TYPE_8x8;
1568
                }else{
1569
                    /* field to frame scaling */
1570
                    /* col_mb_y = (mb_y&~1) + (topAbsDiffPOC < bottomAbsDiffPOC ? 0 : 1)
1571
                     * but in MBAFF, top and bottom POC are equal */
1572
                    int dy = (s->mb_y&1) ? 1 : 2;
1573
                    mb_types_col[0] =
1574
                    mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
1575
                    l1ref0 += dy*h->b8_stride;
1576
                    l1ref1 += dy*h->b8_stride;
1577
                    l1mv0 += 2*dy*h->b_stride;
1578
                    l1mv1 += 2*dy*h->b_stride;
1579
                    y_shift = 2;
1580
1581
                    if((mb_types_col[0] & (MB_TYPE_16x16_OR_INTRA|MB_TYPE_16x8))
1582
                       && !is_b8x8)
1583
                        *mb_type |= MB_TYPE_16x16;
1584
                    else
1585
                        *mb_type |= MB_TYPE_8x8;
1586
                }
1587
1588
                for(i8=0; i8<4; i8++){
1589
                    const int x8 = i8&1;
1590
                    const int y8 = i8>>1;
1591
                    int ref0, scale;
1592
                    const int16_t (*l1mv)[2]= l1mv0;
1593
1594
                    if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
1595
                        continue;
1596
                    h->sub_mb_type[i8] = sub_mb_type;
1597
1598
                    fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
1599
                    if(IS_INTRA(mb_types_col[y8])){
1600
                        fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
1601
                        fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
1602
                        fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
1603
                        continue;
1604
                    }
1605
1606
                    ref0 = l1ref0[x8 + (y8*2>>y_shift)*h->b8_stride];
1607
                    if(ref0 >= 0)
1608
                        ref0 = map_col_to_list0[0][ref0*2>>y_shift];
1609
                    else{
1610
                        ref0 = map_col_to_list0[1][l1ref1[x8 + (y8*2>>y_shift)*h->b8_stride]*2>>y_shift];
1611
                        l1mv= l1mv1;
1612
                    }
1613
                    scale = dist_scale_factor[ref0];
1614
                    fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
1615
1616
                    {
1617
                        const int16_t *mv_col = l1mv[x8*3 + (y8*6>>y_shift)*h->b_stride];
1618
                        int my_col = (mv_col[1]<<y_shift)/2;
1619
                        int mx = (scale * mv_col[0] + 128) >> 8;
1620
                        int my = (scale * my_col + 128) >> 8;
1621
                        fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
1622
                        fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-my_col), 4);
1623
                    }
1624
                }
1625
                return;
1626
            }
1627
        }
1628
1629
        /* one-to-one mv scaling */
1630
1631 5ad984c9 Loren Merritt
        if(IS_16X16(*mb_type)){
1632
            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1);
1633
            if(IS_INTRA(mb_type_col)){
1634
                fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
1635
                fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
1636
                fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);
1637
            }else{
1638 5d18eaad Loren Merritt
                const int ref0 = l1ref0[0] >= 0 ? map_col_to_list0[0][l1ref0[0]]
1639
                                                : map_col_to_list0[1][l1ref1[0]];
1640
                const int scale = dist_scale_factor[ref0];
1641 8583bef8 Michael Niedermayer
                const int16_t *mv_col = l1ref0[0] >= 0 ? l1mv0[0] : l1mv1[0];
1642 5ad984c9 Loren Merritt
                int mv_l0[2];
1643 5d18eaad Loren Merritt
                mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
1644
                mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
1645 5ad984c9 Loren Merritt
                fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref0, 1);
1646
                fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv_l0[0],mv_l0[1]), 4);
1647
                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);
1648
            }
1649
        }else{
1650
            for(i8=0; i8<4; i8++){
1651
                const int x8 = i8&1;
1652
                const int y8 = i8>>1;
1653 5d18eaad Loren Merritt
                int ref0, scale;
1654 bf4e3bd2 Måns Rullgård
                const int16_t (*l1mv)[2]= l1mv0;
1655 8583bef8 Michael Niedermayer
1656 5ad984c9 Loren Merritt
                if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
1657
                    continue;
1658
                h->sub_mb_type[i8] = sub_mb_type;
1659 5d18eaad Loren Merritt
                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
1660 5ad984c9 Loren Merritt
                if(IS_INTRA(mb_type_col)){
1661
                    fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
1662
                    fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
1663
                    fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
1664
                    continue;
1665
                }
1666 115329f1 Diego Biurrun
1667 5ad984c9 Loren Merritt
                ref0 = l1ref0[x8 + y8*h->b8_stride];
1668 2f944356 Loren Merritt
                if(ref0 >= 0)
1669 5d18eaad Loren Merritt
                    ref0 = map_col_to_list0[0][ref0];
1670 8583bef8 Michael Niedermayer
                else{
1671 5d18eaad Loren Merritt
                    ref0 = map_col_to_list0[1][l1ref1[x8 + y8*h->b8_stride]];
1672 8583bef8 Michael Niedermayer
                    l1mv= l1mv1;
1673
                }
1674 5d18eaad Loren Merritt
                scale = dist_scale_factor[ref0];
1675 115329f1 Diego Biurrun
1676 5ad984c9 Loren Merritt
                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
1677 f1f17e54 Loren Merritt
                if(IS_SUB_8X8(sub_mb_type)){
1678
                    const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
1679 5d18eaad Loren Merritt
                    int mx = (scale * mv_col[0] + 128) >> 8;
1680
                    int my = (scale * mv_col[1] + 128) >> 8;
1681 f1f17e54 Loren Merritt
                    fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
1682
                    fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-mv_col[1]), 4);
1683
                }else
1684 5ad984c9 Loren Merritt
                for(i4=0; i4<4; i4++){
1685 8583bef8 Michael Niedermayer
                    const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
1686 5ad984c9 Loren Merritt
                    int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]];
1687 5d18eaad Loren Merritt
                    mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
1688
                    mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
1689 5ad984c9 Loren Merritt
                    *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] =
1690
                        pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
1691
                }
1692
            }
1693
        }
1694
    }
1695
}
1696
1697 0da71265 Michael Niedermayer
static inline void write_back_motion(H264Context *h, int mb_type){
1698
    MpegEncContext * const s = &h->s;
1699
    const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
1700
    const int b8_xy= 2*s->mb_x + 2*s->mb_y*h->b8_stride;
1701
    int list;
1702
1703 2ea39252 Loren Merritt
    if(!USES_LIST(mb_type, 0))
1704
        fill_rectangle(&s->current_picture.ref_index[0][b8_xy], 2, 2, h->b8_stride, (uint8_t)LIST_NOT_USED, 1);
1705
1706 0da71265 Michael Niedermayer
    for(list=0; list<2; list++){
1707
        int y;
1708 53b19144 Loren Merritt
        if(!USES_LIST(mb_type, list))
1709 5ad984c9 Loren Merritt
            continue;
1710 115329f1 Diego Biurrun
1711 0da71265 Michael Niedermayer
        for(y=0; y<4; y++){
1712
            *(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];
1713
            *(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];
1714
        }
1715 9e528114 Laurent Aimar
        if( h->pps.cabac ) {
1716
            for(y=0; y<4; y++){
1717
                *(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+0 + 8*y];
1718
                *(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+2 + 8*y];
1719
            }
1720
        }
1721 53b19144 Loren Merritt
1722
        {
1723
            uint8_t *ref_index = &s->current_picture.ref_index[list][b8_xy];
1724
            ref_index[0+0*h->b8_stride]= h->ref_cache[list][scan8[0]];
1725
            ref_index[1+0*h->b8_stride]= h->ref_cache[list][scan8[4]];
1726
            ref_index[0+1*h->b8_stride]= h->ref_cache[list][scan8[8]];
1727
            ref_index[1+1*h->b8_stride]= h->ref_cache[list][scan8[12]];
1728 0da71265 Michael Niedermayer
        }
1729
    }
1730 115329f1 Diego Biurrun
1731 5ad984c9 Loren Merritt
    if(h->slice_type == B_TYPE && h->pps.cabac){
1732
        if(IS_8X8(mb_type)){
1733 53b19144 Loren Merritt
            uint8_t *direct_table = &h->direct_table[b8_xy];
1734
            direct_table[1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0;
1735
            direct_table[0+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[2]) ? 1 : 0;
1736
            direct_table[1+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[3]) ? 1 : 0;
1737 5ad984c9 Loren Merritt
        }
1738
    }
1739 0da71265 Michael Niedermayer
}
1740
1741
/**
1742
 * Decodes a network abstraction layer unit.
1743
 * @param consumed is the number of bytes used as input
1744
 * @param length is the length of the array
1745 3b66c4c5 Kevin Baragona
 * @param dst_length is the number of decoded bytes FIXME here or a decode rbsp tailing?
1746 115329f1 Diego Biurrun
 * @returns decoded bytes, might be src+1 if no escapes
1747 0da71265 Michael Niedermayer
 */
1748
static uint8_t *decode_nal(H264Context *h, uint8_t *src, int *dst_length, int *consumed, int length){
1749
    int i, si, di;
1750
    uint8_t *dst;
1751
1752 bb270c08 Diego Biurrun
//    src[0]&0x80;                //forbidden bit
1753 0da71265 Michael Niedermayer
    h->nal_ref_idc= src[0]>>5;
1754
    h->nal_unit_type= src[0]&0x1F;
1755
1756
    src++; length--;
1757 115329f1 Diego Biurrun
#if 0
1758 0da71265 Michael Niedermayer
    for(i=0; i<length; i++)
1759
        printf("%2X ", src[i]);
1760
#endif
1761
    for(i=0; i+1<length; i+=2){
1762
        if(src[i]) continue;
1763
        if(i>0 && src[i-1]==0) i--;
1764
        if(i+2<length && src[i+1]==0 && src[i+2]<=3){
1765
            if(src[i+2]!=3){
1766
                /* startcode, so we must be past the end */
1767
                length=i;
1768
            }
1769
            break;
1770
        }
1771
    }
1772
1773
    if(i>=length-1){ //no escaped 0
1774
        *dst_length= length;
1775
        *consumed= length+1; //+1 for the header
1776 115329f1 Diego Biurrun
        return src;
1777 0da71265 Michael Niedermayer
    }
1778
1779
    h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length);
1780
    dst= h->rbsp_buffer;
1781
1782 3b66c4c5 Kevin Baragona
//printf("decoding esc\n");
1783 0da71265 Michael Niedermayer
    si=di=0;
1784 115329f1 Diego Biurrun
    while(si<length){
1785 0da71265 Michael Niedermayer
        //remove escapes (very rare 1:2^22)
1786
        if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
1787
            if(src[si+2]==3){ //escape
1788
                dst[di++]= 0;
1789
                dst[di++]= 0;
1790
                si+=3;
1791 c8470cc1 Michael Niedermayer
                continue;
1792 0da71265 Michael Niedermayer
            }else //next start code
1793
                break;
1794
        }
1795
1796
        dst[di++]= src[si++];
1797
    }
1798
1799
    *dst_length= di;
1800
    *consumed= si + 1;//+1 for the header
1801
//FIXME store exact number of bits in the getbitcontext (its needed for decoding)
1802
    return dst;
1803
}
1804
1805 e5017ab8 Laurent Aimar
#if 0
1806 0da71265 Michael Niedermayer
/**
1807
 * @param src the data which should be escaped
1808
 * @param dst the target buffer, dst+1 == src is allowed as a special case
1809
 * @param length the length of the src data
1810
 * @param dst_length the length of the dst array
1811
 * @returns length of escaped data in bytes or -1 if an error occured
1812
 */
1813
static int encode_nal(H264Context *h, uint8_t *dst, uint8_t *src, int length, int dst_length){
1814
    int i, escape_count, si, di;
1815
    uint8_t *temp;
1816 115329f1 Diego Biurrun

1817 0da71265 Michael Niedermayer
    assert(length>=0);
1818
    assert(dst_length>0);
1819 115329f1 Diego Biurrun

1820 0da71265 Michael Niedermayer
    dst[0]= (h->nal_ref_idc<<5) + h->nal_unit_type;
1821

1822
    if(length==0) return 1;
1823

1824
    escape_count= 0;
1825
    for(i=0; i<length; i+=2){
1826
        if(src[i]) continue;
1827 115329f1 Diego Biurrun
        if(i>0 && src[i-1]==0)
1828 0da71265 Michael Niedermayer
            i--;
1829
        if(i+2<length && src[i+1]==0 && src[i+2]<=3){
1830
            escape_count++;
1831
            i+=2;
1832
        }
1833
    }
1834 115329f1 Diego Biurrun

1835
    if(escape_count==0){
1836 0da71265 Michael Niedermayer
        if(dst+1 != src)
1837
            memcpy(dst+1, src, length);
1838
        return length + 1;
1839
    }
1840 115329f1 Diego Biurrun

1841 0da71265 Michael Niedermayer
    if(length + escape_count + 1> dst_length)
1842
        return -1;
1843

1844
    //this should be damn rare (hopefully)
1845

1846
    h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length + escape_count);
1847
    temp= h->rbsp_buffer;
1848
//printf("encoding esc\n");
1849 115329f1 Diego Biurrun

1850 0da71265 Michael Niedermayer
    si= 0;
1851
    di= 0;
1852
    while(si < length){
1853
        if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
1854
            temp[di++]= 0; si++;
1855
            temp[di++]= 0; si++;
1856 115329f1 Diego Biurrun
            temp[di++]= 3;
1857 0da71265 Michael Niedermayer
            temp[di++]= src[si++];
1858
        }
1859
        else
1860
            temp[di++]= src[si++];
1861
    }
1862
    memcpy(dst+1, temp, length+escape_count);
1863 115329f1 Diego Biurrun

1864 0da71265 Michael Niedermayer
    assert(di == length+escape_count);
1865 115329f1 Diego Biurrun

1866 0da71265 Michael Niedermayer
    return di + 1;
1867
}
1868

1869
/**
1870
 * write 1,10,100,1000,... for alignment, yes its exactly inverse to mpeg4
1871
 */
1872
static void encode_rbsp_trailing(PutBitContext *pb){
1873
    int length;
1874
    put_bits(pb, 1, 1);
1875 fe455f33 Alex Beregszaszi
    length= (-put_bits_count(pb))&7;
1876 0da71265 Michael Niedermayer
    if(length) put_bits(pb, length, 0);
1877
}
1878 e5017ab8 Laurent Aimar
#endif
1879 0da71265 Michael Niedermayer
1880
/**
1881
 * identifies the exact end of the bitstream
1882
 * @return the length of the trailing, or 0 if damaged
1883
 */
1884
static int decode_rbsp_trailing(uint8_t *src){
1885
    int v= *src;
1886
    int r;
1887
1888 95c26348 Michael Niedermayer
    tprintf("rbsp trailing %X\n", v);
1889 0da71265 Michael Niedermayer
1890
    for(r=1; r<9; r++){
1891
        if(v&1) return r;
1892
        v>>=1;
1893
    }
1894
    return 0;
1895
}
1896
1897
/**
1898
 * idct tranforms the 16 dc values and dequantize them.
1899
 * @param qp quantization parameter
1900
 */
1901 239ea04c Loren Merritt
static void h264_luma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
1902 0da71265 Michael Niedermayer
#define stride 16
1903
    int i;
1904
    int temp[16]; //FIXME check if this is a good idea
1905
    static const int x_offset[4]={0, 1*stride, 4* stride,  5*stride};
1906
    static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
1907
1908
//memset(block, 64, 2*256);
1909
//return;
1910
    for(i=0; i<4; i++){
1911
        const int offset= y_offset[i];
1912
        const int z0= block[offset+stride*0] + block[offset+stride*4];
1913
        const int z1= block[offset+stride*0] - block[offset+stride*4];
1914
        const int z2= block[offset+stride*1] - block[offset+stride*5];
1915
        const int z3= block[offset+stride*1] + block[offset+stride*5];
1916
1917
        temp[4*i+0]= z0+z3;
1918
        temp[4*i+1]= z1+z2;
1919
        temp[4*i+2]= z1-z2;
1920
        temp[4*i+3]= z0-z3;
1921
    }
1922
1923
    for(i=0; i<4; i++){
1924
        const int offset= x_offset[i];
1925
        const int z0= temp[4*0+i] + temp[4*2+i];
1926
        const int z1= temp[4*0+i] - temp[4*2+i];
1927
        const int z2= temp[4*1+i] - temp[4*3+i];
1928
        const int z3= temp[4*1+i] + temp[4*3+i];
1929
1930 239ea04c Loren Merritt
        block[stride*0 +offset]= ((((z0 + z3)*qmul + 128 ) >> 8)); //FIXME think about merging this into decode_resdual
1931
        block[stride*2 +offset]= ((((z1 + z2)*qmul + 128 ) >> 8));
1932
        block[stride*8 +offset]= ((((z1 - z2)*qmul + 128 ) >> 8));
1933
        block[stride*10+offset]= ((((z0 - z3)*qmul + 128 ) >> 8));
1934 0da71265 Michael Niedermayer
    }
1935
}
1936
1937 e5017ab8 Laurent Aimar
#if 0
1938 0da71265 Michael Niedermayer
/**
1939
 * dct tranforms the 16 dc values.
1940
 * @param qp quantization parameter ??? FIXME
1941
 */
1942
static void h264_luma_dc_dct_c(DCTELEM *block/*, int qp*/){
1943
//    const int qmul= dequant_coeff[qp][0];
1944
    int i;
1945
    int temp[16]; //FIXME check if this is a good idea
1946
    static const int x_offset[4]={0, 1*stride, 4* stride,  5*stride};
1947
    static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
1948

1949
    for(i=0; i<4; i++){
1950
        const int offset= y_offset[i];
1951
        const int z0= block[offset+stride*0] + block[offset+stride*4];
1952
        const int z1= block[offset+stride*0] - block[offset+stride*4];
1953
        const int z2= block[offset+stride*1] - block[offset+stride*5];
1954
        const int z3= block[offset+stride*1] + block[offset+stride*5];
1955

1956
        temp[4*i+0]= z0+z3;
1957
        temp[4*i+1]= z1+z2;
1958
        temp[4*i+2]= z1-z2;
1959
        temp[4*i+3]= z0-z3;
1960
    }
1961

1962
    for(i=0; i<4; i++){
1963
        const int offset= x_offset[i];
1964
        const int z0= temp[4*0+i] + temp[4*2+i];
1965
        const int z1= temp[4*0+i] - temp[4*2+i];
1966
        const int z2= temp[4*1+i] - temp[4*3+i];
1967
        const int z3= temp[4*1+i] + temp[4*3+i];
1968

1969
        block[stride*0 +offset]= (z0 + z3)>>1;
1970
        block[stride*2 +offset]= (z1 + z2)>>1;
1971
        block[stride*8 +offset]= (z1 - z2)>>1;
1972
        block[stride*10+offset]= (z0 - z3)>>1;
1973
    }
1974
}
1975 e5017ab8 Laurent Aimar
#endif
1976
1977 0da71265 Michael Niedermayer
#undef xStride
1978
#undef stride
1979
1980 239ea04c Loren Merritt
static void chroma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
1981 0da71265 Michael Niedermayer
    const int stride= 16*2;
1982
    const int xStride= 16;
1983
    int a,b,c,d,e;
1984
1985
    a= block[stride*0 + xStride*0];
1986
    b= block[stride*0 + xStride*1];
1987
    c= block[stride*1 + xStride*0];
1988
    d= block[stride*1 + xStride*1];
1989
1990
    e= a-b;
1991
    a= a+b;
1992
    b= c-d;
1993
    c= c+d;
1994
1995 239ea04c Loren Merritt
    block[stride*0 + xStride*0]= ((a+c)*qmul) >> 7;
1996
    block[stride*0 + xStride*1]= ((e+b)*qmul) >> 7;
1997
    block[stride*1 + xStride*0]= ((a-c)*qmul) >> 7;
1998
    block[stride*1 + xStride*1]= ((e-b)*qmul) >> 7;
1999 0da71265 Michael Niedermayer
}
2000
2001 e5017ab8 Laurent Aimar
#if 0
2002 0da71265 Michael Niedermayer
static void chroma_dc_dct_c(DCTELEM *block){
2003
    const int stride= 16*2;
2004
    const int xStride= 16;
2005
    int a,b,c,d,e;
2006

2007
    a= block[stride*0 + xStride*0];
2008
    b= block[stride*0 + xStride*1];
2009
    c= block[stride*1 + xStride*0];
2010
    d= block[stride*1 + xStride*1];
2011

2012
    e= a-b;
2013
    a= a+b;
2014
    b= c-d;
2015
    c= c+d;
2016

2017
    block[stride*0 + xStride*0]= (a+c);
2018
    block[stride*0 + xStride*1]= (e+b);
2019
    block[stride*1 + xStride*0]= (a-c);
2020
    block[stride*1 + xStride*1]= (e-b);
2021
}
2022 e5017ab8 Laurent Aimar
#endif
2023 0da71265 Michael Niedermayer
2024
/**
2025
 * gets the chroma qp.
2026
 */
2027 6ba71fc4 Loïc Le Loarer
static inline int get_chroma_qp(int chroma_qp_index_offset, int qscale){
2028 115329f1 Diego Biurrun
2029 6ba71fc4 Loïc Le Loarer
    return chroma_qp[clip(qscale + chroma_qp_index_offset, 0, 51)];
2030 0da71265 Michael Niedermayer
}
2031
2032
2033 e5017ab8 Laurent Aimar
#if 0
2034 0da71265 Michael Niedermayer
static void h264_diff_dct_c(DCTELEM *block, uint8_t *src1, uint8_t *src2, int stride){
2035
    int i;
2036
    //FIXME try int temp instead of block
2037 115329f1 Diego Biurrun

2038 0da71265 Michael Niedermayer
    for(i=0; i<4; i++){
2039
        const int d0= src1[0 + i*stride] - src2[0 + i*stride];
2040
        const int d1= src1[1 + i*stride] - src2[1 + i*stride];
2041
        const int d2= src1[2 + i*stride] - src2[2 + i*stride];
2042
        const int d3= src1[3 + i*stride] - src2[3 + i*stride];
2043
        const int z0= d0 + d3;
2044
        const int z3= d0 - d3;
2045
        const int z1= d1 + d2;
2046
        const int z2= d1 - d2;
2047 115329f1 Diego Biurrun

2048 0da71265 Michael Niedermayer
        block[0 + 4*i]=   z0 +   z1;
2049
        block[1 + 4*i]= 2*z3 +   z2;
2050
        block[2 + 4*i]=   z0 -   z1;
2051
        block[3 + 4*i]=   z3 - 2*z2;
2052 115329f1 Diego Biurrun
    }
2053 0da71265 Michael Niedermayer

2054
    for(i=0; i<4; i++){
2055
        const int z0= block[0*4 + i] + block[3*4 + i];
2056
        const int z3= block[0*4 + i] - block[3*4 + i];
2057
        const int z1= block[1*4 + i] + block[2*4 + i];
2058
        const int z2= block[1*4 + i] - block[2*4 + i];
2059 115329f1 Diego Biurrun

2060 0da71265 Michael Niedermayer
        block[0*4 + i]=   z0 +   z1;
2061
        block[1*4 + i]= 2*z3 +   z2;
2062
        block[2*4 + i]=   z0 -   z1;
2063
        block[3*4 + i]=   z3 - 2*z2;
2064
    }
2065
}
2066 e5017ab8 Laurent Aimar
#endif
2067 0da71265 Michael Niedermayer
2068 3b66c4c5 Kevin Baragona
//FIXME need to check that this doesnt overflow signed 32 bit for low qp, i am not sure, it's very close
2069 0da71265 Michael Niedermayer
//FIXME check that gcc inlines this (and optimizes intra & seperate_dc stuff away)
2070
static inline int quantize_c(DCTELEM *block, uint8_t *scantable, int qscale, int intra, int seperate_dc){
2071
    int i;
2072
    const int * const quant_table= quant_coeff[qscale];
2073
    const int bias= intra ? (1<<QUANT_SHIFT)/3 : (1<<QUANT_SHIFT)/6;
2074
    const unsigned int threshold1= (1<<QUANT_SHIFT) - bias - 1;
2075
    const unsigned int threshold2= (threshold1<<1);
2076
    int last_non_zero;
2077
2078
    if(seperate_dc){
2079
        if(qscale<=18){
2080
            //avoid overflows
2081
            const int dc_bias= intra ? (1<<(QUANT_SHIFT-2))/3 : (1<<(QUANT_SHIFT-2))/6;
2082
            const unsigned int dc_threshold1= (1<<(QUANT_SHIFT-2)) - dc_bias - 1;
2083
            const unsigned int dc_threshold2= (dc_threshold1<<1);
2084
2085
            int level= block[0]*quant_coeff[qscale+18][0];
2086
            if(((unsigned)(level+dc_threshold1))>dc_threshold2){
2087
                if(level>0){
2088
                    level= (dc_bias + level)>>(QUANT_SHIFT-2);
2089
                    block[0]= level;
2090
                }else{
2091
                    level= (dc_bias - level)>>(QUANT_SHIFT-2);
2092
                    block[0]= -level;
2093
                }
2094
//                last_non_zero = i;
2095
            }else{
2096
                block[0]=0;
2097
            }
2098
        }else{
2099
            const int dc_bias= intra ? (1<<(QUANT_SHIFT+1))/3 : (1<<(QUANT_SHIFT+1))/6;
2100
            const unsigned int dc_threshold1= (1<<(QUANT_SHIFT+1)) - dc_bias - 1;
2101
            const unsigned int dc_threshold2= (dc_threshold1<<1);
2102
2103
            int level= block[0]*quant_table[0];
2104
            if(((unsigned)(level+dc_threshold1))>dc_threshold2){
2105
                if(level>0){
2106
                    level= (dc_bias + level)>>(QUANT_SHIFT+1);
2107
                    block[0]= level;
2108
                }else{
2109
                    level= (dc_bias - level)>>(QUANT_SHIFT+1);
2110
                    block[0]= -level;
2111
                }
2112
//                last_non_zero = i;
2113
            }else{
2114
                block[0]=0;
2115
            }
2116
        }
2117
        last_non_zero= 0;
2118
        i=1;
2119
    }else{
2120
        last_non_zero= -1;
2121
        i=0;
2122
    }
2123
2124
    for(; i<16; i++){
2125
        const int j= scantable[i];
2126
        int level= block[j]*quant_table[j];
2127
2128
//        if(   bias+level >= (1<<(QMAT_SHIFT - 3))
2129
//           || bias-level >= (1<<(QMAT_SHIFT - 3))){
2130
        if(((unsigned)(level+threshold1))>threshold2){
2131
            if(level>0){
2132
                level= (bias + level)>>QUANT_SHIFT;
2133
                block[j]= level;
2134
            }else{
2135
                level= (bias - level)>>QUANT_SHIFT;
2136
                block[j]= -level;
2137
            }
2138
            last_non_zero = i;
2139
        }else{
2140
            block[j]=0;
2141
        }
2142
    }
2143
2144
    return last_non_zero;
2145
}
2146
2147
static void pred4x4_vertical_c(uint8_t *src, uint8_t *topright, int stride){
2148
    const uint32_t a= ((uint32_t*)(src-stride))[0];
2149
    ((uint32_t*)(src+0*stride))[0]= a;
2150
    ((uint32_t*)(src+1*stride))[0]= a;
2151
    ((uint32_t*)(src+2*stride))[0]= a;
2152
    ((uint32_t*)(src+3*stride))[0]= a;
2153
}
2154
2155
static void pred4x4_horizontal_c(uint8_t *src, uint8_t *topright, int stride){
2156
    ((uint32_t*)(src+0*stride))[0]= src[-1+0*stride]*0x01010101;
2157
    ((uint32_t*)(src+1*stride))[0]= src[-1+1*stride]*0x01010101;
2158
    ((uint32_t*)(src+2*stride))[0]= src[-1+2*stride]*0x01010101;
2159
    ((uint32_t*)(src+3*stride))[0]= src[-1+3*stride]*0x01010101;
2160
}
2161
2162
static void pred4x4_dc_c(uint8_t *src, uint8_t *topright, int stride){
2163
    const int dc= (  src[-stride] + src[1-stride] + src[2-stride] + src[3-stride]
2164
                   + src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 4) >>3;
2165 115329f1 Diego Biurrun
2166
    ((uint32_t*)(src+0*stride))[0]=
2167
    ((uint32_t*)(src+1*stride))[0]=
2168
    ((uint32_t*)(src+2*stride))[0]=
2169
    ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
2170 0da71265 Michael Niedermayer
}
2171
2172
static void pred4x4_left_dc_c(uint8_t *src, uint8_t *topright, int stride){
2173
    const int dc= (  src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 2) >>2;
2174 115329f1 Diego Biurrun
2175
    ((uint32_t*)(src+0*stride))[0]=
2176
    ((uint32_t*)(src+1*stride))[0]=
2177
    ((uint32_t*)(src+2*stride))[0]=
2178
    ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
2179 0da71265 Michael Niedermayer
}
2180
2181
static void pred4x4_top_dc_c(uint8_t *src, uint8_t *topright, int stride){
2182
    const int dc= (  src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] + 2) >>2;
2183 115329f1 Diego Biurrun
2184
    ((uint32_t*)(src+0*stride))[0]=
2185
    ((uint32_t*)(src+1*stride))[0]=
2186
    ((uint32_t*)(src+2*stride))[0]=
2187
    ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
2188 0da71265 Michael Niedermayer
}
2189
2190
static void pred4x4_128_dc_c(uint8_t *src, uint8_t *topright, int stride){
2191 115329f1 Diego Biurrun
    ((uint32_t*)(src+0*stride))[0]=
2192
    ((uint32_t*)(src+1*stride))[0]=
2193
    ((uint32_t*)(src+2*stride))[0]=
2194 0da71265 Michael Niedermayer
    ((uint32_t*)(src+3*stride))[0]= 128U*0x01010101U;
2195
}
2196
2197
2198
#define LOAD_TOP_RIGHT_EDGE\
2199
    const int t4= topright[0];\
2200
    const int t5= topright[1];\
2201
    const int t6= topright[2];\
2202
    const int t7= topright[3];\
2203
2204
#define LOAD_LEFT_EDGE\
2205
    const int l0= src[-1+0*stride];\
2206
    const int l1= src[-1+1*stride];\
2207
    const int l2= src[-1+2*stride];\
2208
    const int l3= src[-1+3*stride];\
2209
2210
#define LOAD_TOP_EDGE\
2211
    const int t0= src[ 0-1*stride];\
2212
    const int t1= src[ 1-1*stride];\
2213
    const int t2= src[ 2-1*stride];\
2214
    const int t3= src[ 3-1*stride];\
2215
2216
static void pred4x4_down_right_c(uint8_t *src, uint8_t *topright, int stride){
2217
    const int lt= src[-1-1*stride];
2218
    LOAD_TOP_EDGE
2219
    LOAD_LEFT_EDGE
2220
2221 115329f1 Diego Biurrun
    src[0+3*stride]=(l3 + 2*l2 + l1 + 2)>>2;
2222 0da71265 Michael Niedermayer
    src[0+2*stride]=
2223 115329f1 Diego Biurrun
    src[1+3*stride]=(l2 + 2*l1 + l0 + 2)>>2;
2224 0da71265 Michael Niedermayer
    src[0+1*stride]=
2225
    src[1+2*stride]=
2226 115329f1 Diego Biurrun
    src[2+3*stride]=(l1 + 2*l0 + lt + 2)>>2;
2227 0da71265 Michael Niedermayer
    src[0+0*stride]=
2228
    src[1+1*stride]=
2229
    src[2+2*stride]=
2230 115329f1 Diego Biurrun
    src[3+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
2231 0da71265 Michael Niedermayer
    src[1+0*stride]=
2232
    src[2+1*stride]=
2233
    src[3+2*stride]=(lt + 2*t0 + t1 + 2)>>2;
2234
    src[2+0*stride]=
2235
    src[3+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
2236
    src[3+0*stride]=(t1 + 2*t2 + t3 + 2)>>2;
2237 4cfbf61b Falk Hüffner
}
2238 0da71265 Michael Niedermayer
2239
static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){
2240 115329f1 Diego Biurrun
    LOAD_TOP_EDGE
2241
    LOAD_TOP_RIGHT_EDGE
2242
//    LOAD_LEFT_EDGE
2243 0da71265 Michael Niedermayer
2244
    src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2;
2245
    src[1+0*stride]=
2246
    src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2;
2247
    src[2+0*stride]=
2248
    src[1+1*stride]=
2249
    src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2;
2250
    src[3+0*stride]=
2251
    src[2+1*stride]=
2252
    src[1+2*stride]=
2253
    src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2;
2254
    src[3+1*stride]=
2255
    src[2+2*stride]=
2256
    src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2;
2257
    src[3+2*stride]=
2258
    src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;
2259
    src[3+3*stride]=(t6 + 3*t7 + 2)>>2;
2260 4cfbf61b Falk Hüffner
}
2261 0da71265 Michael Niedermayer
2262
static void pred4x4_vertical_right_c(uint8_t *src, uint8_t *topright, int stride){
2263
    const int lt= src[-1-1*stride];
2264 115329f1 Diego Biurrun
    LOAD_TOP_EDGE
2265
    LOAD_LEFT_EDGE
2266 0da71265 Michael Niedermayer
    const __attribute__((unused)) int unu= l3;
2267
2268
    src[0+0*stride]=
2269
    src[1+2*stride]=(lt + t0 + 1)>>1;
2270
    src[1+0*stride]=
2271
    src[2+2*stride]=(t0 + t1 + 1)>>1;
2272
    src[2+0*stride]=
2273
    src[3+2*stride]=(t1 + t2 + 1)>>1;
2274
    src[3+0*stride]=(t2 + t3 + 1)>>1;
2275
    src[0+1*stride]=
2276
    src[1+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
2277
    src[1+1*stride]=
2278
    src[2+3*stride]=(lt + 2*t0 + t1 + 2)>>2;
2279
    src[2+1*stride]=
2280
    src[3+3*stride]=(t0 + 2*t1 + t2 + 2)>>2;
2281
    src[3+1*stride]=(t1 + 2*t2 + t3 + 2)>>2;
2282
    src[0+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
2283
    src[0+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
2284 4cfbf61b Falk Hüffner
}
2285 0da71265 Michael Niedermayer
2286
static void pred4x4_vertical_left_c(uint8_t *src, uint8_t *topright, int stride){
2287 115329f1 Diego Biurrun
    LOAD_TOP_EDGE
2288
    LOAD_TOP_RIGHT_EDGE
2289 0da71265 Michael Niedermayer
    const __attribute__((unused)) int unu= t7;
2290
2291
    src[0+0*stride]=(t0 + t1 + 1)>>1;
2292
    src[1+0*stride]=
2293
    src[0+2*stride]=(t1 + t2 + 1)>>1;
2294
    src[2+0*stride]=
2295
    src[1+2*stride]=(t2 + t3 + 1)>>1;
2296
    src[3+0*stride]=
2297
    src[2+2*stride]=(t3 + t4+ 1)>>1;
2298
    src[3+2*stride]=(t4 + t5+ 1)>>1;
2299
    src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
2300
    src[1+1*stride]=
2301
    src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
2302
    src[2+1*stride]=
2303
    src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
2304
    src[3+1*stride]=
2305
    src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
2306
    src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;
2307 4cfbf61b Falk Hüffner
}
2308 0da71265 Michael Niedermayer
2309
static void pred4x4_horizontal_up_c(uint8_t *src, uint8_t *topright, int stride){
2310 115329f1 Diego Biurrun
    LOAD_LEFT_EDGE
2311 0da71265 Michael Niedermayer
2312
    src[0+0*stride]=(l0 + l1 + 1)>>1;
2313
    src[1+0*stride]=(l0 + 2*l1 + l2 + 2)>>2;
2314
    src[2+0*stride]=
2315
    src[0+1*stride]=(l1 + l2 + 1)>>1;
2316
    src[3+0*stride]=
2317
    src[1+1*stride]=(l1 + 2*l2 + l3 + 2)>>2;
2318
    src[2+1*stride]=
2319
    src[0+2*stride]=(l2 + l3 + 1)>>1;
2320
    src[3+1*stride]=
2321
    src[1+2*stride]=(l2 + 2*l3 + l3 + 2)>>2;
2322
    src[3+2*stride]=
2323
    src[1+3*stride]=
2324
    src[0+3*stride]=
2325
    src[2+2*stride]=
2326
    src[2+3*stride]=
2327
    src[3+3*stride]=l3;
2328 4cfbf61b Falk Hüffner
}
2329 115329f1 Diego Biurrun
2330 0da71265 Michael Niedermayer
static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int stride){
2331
    const int lt= src[-1-1*stride];
2332 115329f1 Diego Biurrun
    LOAD_TOP_EDGE
2333
    LOAD_LEFT_EDGE
2334 0da71265 Michael Niedermayer
    const __attribute__((unused)) int unu= t3;
2335
2336
    src[0+0*stride]=
2337
    src[2+1*stride]=(lt + l0 + 1)>>1;
2338
    src[1+0*stride]=
2339
    src[3+1*stride]=(l0 + 2*lt + t0 + 2)>>2;
2340
    src[2+0*stride]=(lt + 2*t0 + t1 + 2)>>2;
2341
    src[3+0*stride]=(t0 + 2*t1 + t2 + 2)>>2;
2342
    src[0+1*stride]=
2343
    src[2+2*stride]=(l0 + l1 + 1)>>1;
2344
    src[1+1*stride]=
2345
    src[3+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
2346
    src[0+2*stride]=
2347
    src[2+3*stride]=(l1 + l2+ 1)>>1;
2348
    src[1+2*stride]=
2349
    src[3+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
2350
    src[0+3*stride]=(l2 + l3 + 1)>>1;
2351
    src[1+3*stride]=(l1 + 2*l2 + l3 + 2)>>2;
2352 4cfbf61b Falk Hüffner
}
2353 0da71265 Michael Niedermayer
2354
static void pred16x16_vertical_c(uint8_t *src, int stride){
2355
    int i;
2356
    const uint32_t a= ((uint32_t*)(src-stride))[0];
2357
    const uint32_t b= ((uint32_t*)(src-stride))[1];
2358
    const uint32_t c= ((uint32_t*)(src-stride))[2];
2359
    const uint32_t d= ((uint32_t*)(src-stride))[3];
2360 115329f1 Diego Biurrun
2361 0da71265 Michael Niedermayer
    for(i=0; i<16; i++){
2362
        ((uint32_t*)(src+i*stride))[0]= a;
2363
        ((uint32_t*)(src+i*stride))[1]= b;
2364
        ((uint32_t*)(src+i*stride))[2]= c;
2365
        ((uint32_t*)(src+i*stride))[3]= d;
2366
    }
2367
}
2368
2369
static void pred16x16_horizontal_c(uint8_t *src, int stride){
2370
    int i;
2371
2372
    for(i=0; i<16; i++){
2373
        ((uint32_t*)(src+i*stride))[0]=
2374
        ((uint32_t*)(src+i*stride))[1]=
2375
        ((uint32_t*)(src+i*stride))[2]=
2376
        ((uint32_t*)(src+i*stride))[3]= src[-1+i*stride]*0x01010101;
2377
    }
2378
}
2379
2380
static void pred16x16_dc_c(uint8_t *src, int stride){
2381
    int i, dc=0;
2382
2383
    for(i=0;i<16; i++){
2384
        dc+= src[-1+i*stride];
2385
    }
2386 115329f1 Diego Biurrun
2387 0da71265 Michael Niedermayer
    for(i=0;i<16; i++){
2388
        dc+= src[i-stride];
2389
    }
2390
2391
    dc= 0x01010101*((dc + 16)>>5);
2392
2393
    for(i=0; i<16; i++){
2394
        ((uint32_t*)(src+i*stride))[0]=
2395
        ((uint32_t*)(src+i*stride))[1]=
2396
        ((uint32_t*)(src+i*stride))[2]=
2397
        ((uint32_t*)(src+i*stride))[3]= dc;
2398
    }
2399
}
2400
2401
static void pred16x16_left_dc_c(uint8_t *src, int stride){
2402
    int i, dc=0;
2403
2404
    for(i=0;i<16; i++){
2405
        dc+= src[-1+i*stride];
2406
    }
2407 115329f1 Diego Biurrun
2408 0da71265 Michael Niedermayer
    dc= 0x01010101*((dc + 8)>>4);
2409
2410
    for(i=0; i<16; i++){
2411
        ((uint32_t*)(src+i*stride))[0]=
2412
        ((uint32_t*)(src+i*stride))[1]=
2413
        ((uint32_t*)(src+i*stride))[2]=
2414
        ((uint32_t*)(src+i*stride))[3]= dc;
2415
    }
2416
}
2417
2418
static void pred16x16_top_dc_c(uint8_t *src, int stride){
2419
    int i, dc=0;
2420
2421
    for(i=0;i<16; i++){
2422
        dc+= src[i-stride];
2423
    }
2424
    dc= 0x01010101*((dc + 8)>>4);
2425
2426
    for(i=0; i<16; i++){
2427
        ((uint32_t*)(src+i*stride))[0]=
2428
        ((uint32_t*)(src+i*stride))[1]=
2429
        ((uint32_t*)(src+i*stride))[2]=
2430
        ((uint32_t*)(src+i*stride))[3]= dc;
2431
    }
2432
}
2433
2434
static void pred16x16_128_dc_c(uint8_t *src, int stride){
2435
    int i;
2436
2437
    for(i=0; i<16; i++){
2438
        ((uint32_t*)(src+i*stride))[0]=
2439
        ((uint32_t*)(src+i*stride))[1]=
2440
        ((uint32_t*)(src+i*stride))[2]=
2441
        ((uint32_t*)(src+i*stride))[3]= 0x01010101U*128U;
2442
    }
2443
}
2444
2445 8b82a956 Michael Niedermayer
static inline void pred16x16_plane_compat_c(uint8_t *src, int stride, const int svq3){
2446 30f73fc7 Michael Niedermayer
  int i, j, k;
2447
  int a;
2448
  uint8_t *cm = cropTbl + MAX_NEG_CROP;
2449
  const uint8_t * const src0 = src+7-stride;
2450
  const uint8_t *src1 = src+8*stride-1;
2451
  const uint8_t *src2 = src1-2*stride;      // == src+6*stride-1;
2452
  int H = src0[1] - src0[-1];
2453
  int V = src1[0] - src2[ 0];
2454
  for(k=2; k<=8; ++k) {
2455
    src1 += stride; src2 -= stride;
2456
    H += k*(src0[k] - src0[-k]);
2457
    V += k*(src1[0] - src2[ 0]);
2458
  }
2459 8b82a956 Michael Niedermayer
  if(svq3){
2460
    H = ( 5*(H/4) ) / 16;
2461
    V = ( 5*(V/4) ) / 16;
2462 2e26c8d2 Mike Melanson
2463
    /* required for 100% accuracy */
2464
    i = H; H = V; V = i;
2465 8b82a956 Michael Niedermayer
  }else{
2466
    H = ( 5*H+32 ) >> 6;
2467
    V = ( 5*V+32 ) >> 6;
2468
  }
2469 30f73fc7 Michael Niedermayer
2470
  a = 16*(src1[0] + src2[16] + 1) - 7*(V+H);
2471
  for(j=16; j>0; --j) {
2472
    int b = a;
2473
    a += V;
2474
    for(i=-16; i<0; i+=4) {
2475
      src[16+i] = cm[ (b    ) >> 5 ];
2476
      src[17+i] = cm[ (b+  H) >> 5 ];
2477
      src[18+i] = cm[ (b+2*H) >> 5 ];
2478
      src[19+i] = cm[ (b+3*H) >> 5 ];
2479
      b += 4*H;
2480 0da71265 Michael Niedermayer
    }
2481 30f73fc7 Michael Niedermayer
    src += stride;
2482
  }
2483 0da71265 Michael Niedermayer
}
2484
2485 8b82a956 Michael Niedermayer
static void pred16x16_plane_c(uint8_t *src, int stride){
2486
    pred16x16_plane_compat_c(src, stride, 0);
2487
}
2488
2489 0da71265 Michael Niedermayer
static void pred8x8_vertical_c(uint8_t *src, int stride){
2490
    int i;
2491
    const uint32_t a= ((uint32_t*)(src-stride))[0];
2492
    const uint32_t b= ((uint32_t*)(src-stride))[1];
2493 115329f1 Diego Biurrun
2494 0da71265 Michael Niedermayer
    for(i=0; i<8; i++){
2495
        ((uint32_t*)(src+i*stride))[0]= a;
2496
        ((uint32_t*)(src+i*stride))[1]= b;
2497
    }
2498
}
2499
2500
static void pred8x8_horizontal_c(uint8_t *src, int stride){
2501
    int i;
2502
2503
    for(i=0; i<8; i++){
2504
        ((uint32_t*)(src+i*stride))[0]=
2505
        ((uint32_t*)(src+i*stride))[1]= src[-1+i*stride]*0x01010101;
2506
    }
2507
}
2508
2509
static void pred8x8_128_dc_c(uint8_t *src, int stride){
2510
    int i;
2511
2512 43efd19a Loren Merritt
    for(i=0; i<8; i++){
2513 115329f1 Diego Biurrun
        ((uint32_t*)(src+i*stride))[0]=
2514 0da71265 Michael Niedermayer
        ((uint32_t*)(src+i*stride))[1]= 0x01010101U*128U;
2515
    }
2516
}
2517
2518
static void pred8x8_left_dc_c(uint8_t *src, int stride){
2519
    int i;
2520
    int dc0, dc2;
2521
2522
    dc0=dc2=0;
2523
    for(i=0;i<4; i++){
2524
        dc0+= src[-1+i*stride];
2525
        dc2+= src[-1+(i+4)*stride];
2526
    }
2527
    dc0= 0x01010101*((dc0 + 2)>>2);
2528
    dc2= 0x01010101*((dc2 + 2)>>2);
2529
2530
    for(i=0; i<4; i++){
2531
        ((uint32_t*)(src+i*stride))[0]=
2532
        ((uint32_t*)(src+i*stride))[1]= dc0;
2533
    }
2534
    for(i=4; i<8; i++){
2535
        ((uint32_t*)(src+i*stride))[0]=
2536
        ((uint32_t*)(src+i*stride))[1]= dc2;
2537
    }
2538
}
2539
2540
static void pred8x8_top_dc_c(uint8_t *src, int stride){
2541
    int i;
2542
    int dc0, dc1;
2543
2544
    dc0=dc1=0;
2545
    for(i=0;i<4; i++){
2546
        dc0+= src[i-stride];
2547
        dc1+= src[4+i-stride];
2548
    }
2549
    dc0= 0x01010101*((dc0 + 2)>>2);
2550
    dc1= 0x01010101*((dc1 + 2)>>2);
2551
2552
    for(i=0; i<4; i++){
2553
        ((uint32_t*)(src+i*stride))[0]= dc0;
2554
        ((uint32_t*)(src+i*stride))[1]= dc1;
2555
    }
2556
    for(i=4; i<8; i++){
2557
        ((uint32_t*)(src+i*stride))[0]= dc0;
2558
        ((uint32_t*)(src+i*stride))[1]= dc1;
2559
    }
2560
}
2561
2562
2563
static void pred8x8_dc_c(uint8_t *src, int stride){
2564
    int i;
2565
    int dc0, dc1, dc2, dc3;
2566
2567
    dc0=dc1=dc2=0;
2568
    for(i=0;i<4; i++){
2569
        dc0+= src[-1+i*stride] + src[i-stride];
2570
        dc1+= src[4+i-stride];
2571
        dc2+= src[-1+(i+4)*stride];
2572
    }
2573
    dc3= 0x01010101*((dc1 + dc2 + 4)>>3);
2574
    dc0= 0x01010101*((dc0 + 4)>>3);
2575
    dc1= 0x01010101*((dc1 + 2)>>2);
2576
    dc2= 0x01010101*((dc2 + 2)>>2);
2577
2578
    for(i=0; i<4; i++){
2579
        ((uint32_t*)(src+i*stride))[0]= dc0;
2580
        ((uint32_t*)(src+i*stride))[1]= dc1;
2581
    }
2582
    for(i=4; i<8; i++){
2583
        ((uint32_t*)(src+i*stride))[0]= dc2;
2584
        ((uint32_t*)(src+i*stride))[1]= dc3;
2585
    }
2586
}
2587
2588
static void pred8x8_plane_c(uint8_t *src, int stride){
2589 30f73fc7 Michael Niedermayer
  int j, k;
2590
  int a;
2591
  uint8_t *cm = cropTbl + MAX_NEG_CROP;
2592
  const uint8_t * const src0 = src+3-stride;
2593
  const uint8_t *src1 = src+4*stride-1;
2594
  const uint8_t *src2 = src1-2*stride;      // == src+2*stride-1;
2595
  int H = src0[1] - src0[-1];
2596
  int V = src1[0] - src2[ 0];
2597
  for(k=2; k<=4; ++k) {
2598
    src1 += stride; src2 -= stride;
2599
    H += k*(src0[k] - src0[-k]);
2600
    V += k*(src1[0] - src2[ 0]);
2601
  }
2602
  H = ( 17*H+16 ) >> 5;
2603
  V = ( 17*V+16 ) >> 5;
2604
2605
  a = 16*(src1[0] + src2[8]+1) - 3*(V+H);
2606
  for(j=8; j>0; --j) {
2607
    int b = a;
2608
    a += V;
2609
    src[0] = cm[ (b    ) >> 5 ];
2610
    src[1] = cm[ (b+  H) >> 5 ];
2611
    src[2] = cm[ (b+2*H) >> 5 ];
2612
    src[3] = cm[ (b+3*H) >> 5 ];
2613
    src[4] = cm[ (b+4*H) >> 5 ];
2614
    src[5] = cm[ (b+5*H) >> 5 ];
2615
    src[6] = cm[ (b+6*H) >> 5 ];
2616
    src[7] = cm[ (b+7*H) >> 5 ];
2617
    src += stride;
2618
  }
2619 0da71265 Michael Niedermayer
}
2620
2621 43efd19a Loren Merritt
#define SRC(x,y) src[(x)+(y)*stride]
2622
#define PL(y) \
2623
    const int l##y = (SRC(-1,y-1) + 2*SRC(-1,y) + SRC(-1,y+1) + 2) >> 2;
2624
#define PREDICT_8x8_LOAD_LEFT \
2625
    const int l0 = ((has_topleft ? SRC(-1,-1) : SRC(-1,0)) \
2626
                     + 2*SRC(-1,0) + SRC(-1,1) + 2) >> 2; \
2627
    PL(1) PL(2) PL(3) PL(4) PL(5) PL(6) \
2628 bf4e3bd2 Måns Rullgård
    const int l7 attribute_unused = (SRC(-1,6) + 3*SRC(-1,7) + 2) >> 2
2629 43efd19a Loren Merritt
2630
#define PT(x) \
2631
    const int t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
2632
#define PREDICT_8x8_LOAD_TOP \
2633
    const int t0 = ((has_topleft ? SRC(-1,-1) : SRC(0,-1)) \
2634
                     + 2*SRC(0,-1) + SRC(1,-1) + 2) >> 2; \
2635
    PT(1) PT(2) PT(3) PT(4) PT(5) PT(6) \
2636 bf4e3bd2 Måns Rullgård
    const int t7 attribute_unused = ((has_topright ? SRC(8,-1) : SRC(7,-1)) \
2637 fb3ca6ba Måns Rullgård
                     + 2*SRC(7,-1) + SRC(6,-1) + 2) >> 2
2638 43efd19a Loren Merritt
2639
#define PTR(x) \
2640
    t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
2641
#define PREDICT_8x8_LOAD_TOPRIGHT \
2642
    int t8, t9, t10, t11, t12, t13, t14, t15; \
2643
    if(has_topright) { \
2644
        PTR(8) PTR(9) PTR(10) PTR(11) PTR(12) PTR(13) PTR(14) \
2645
        t15 = (SRC(14,-1) + 3*SRC(15,-1) + 2) >> 2; \
2646
    } else t8=t9=t10=t11=t12=t13=t14=t15= SRC(7,-1);
2647
2648
#define PREDICT_8x8_LOAD_TOPLEFT \
2649 fb3ca6ba Måns Rullgård
    const int lt = (SRC(-1,0) + 2*SRC(-1,-1) + SRC(0,-1) + 2) >> 2
2650 43efd19a Loren Merritt
2651
#define PREDICT_8x8_DC(v) \
2652
    int y; \
2653
    for( y = 0; y < 8; y++ ) { \
2654
        ((uint32_t*)src)[0] = \
2655
        ((uint32_t*)src)[1] = v; \
2656
        src += stride; \
2657
    }
2658
2659
static void pred8x8l_128_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2660
{
2661
    PREDICT_8x8_DC(0x80808080);
2662
}
2663
static void pred8x8l_left_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2664
{
2665
    PREDICT_8x8_LOAD_LEFT;
2666
    const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7+4) >> 3) * 0x01010101;
2667
    PREDICT_8x8_DC(dc);
2668
}
2669
static void pred8x8l_top_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2670
{
2671
    PREDICT_8x8_LOAD_TOP;
2672
    const uint32_t dc = ((t0+t1+t2+t3+t4+t5+t6+t7+4) >> 3) * 0x01010101;
2673
    PREDICT_8x8_DC(dc);
2674
}
2675
static void pred8x8l_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2676
{
2677
    PREDICT_8x8_LOAD_LEFT;
2678
    PREDICT_8x8_LOAD_TOP;
2679
    const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7
2680
                         +t0+t1+t2+t3+t4+t5+t6+t7+8) >> 4) * 0x01010101;
2681
    PREDICT_8x8_DC(dc);
2682
}
2683
static void pred8x8l_horizontal_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2684
{
2685
    PREDICT_8x8_LOAD_LEFT;
2686
#define ROW(y) ((uint32_t*)(src+y*stride))[0] =\
2687
               ((uint32_t*)(src+y*stride))[1] = 0x01010101 * l##y
2688
    ROW(0); ROW(1); ROW(2); ROW(3); ROW(4); ROW(5); ROW(6); ROW(7);
2689
#undef ROW
2690
}
2691
static void pred8x8l_vertical_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2692
{
2693
    int y;
2694
    PREDICT_8x8_LOAD_TOP;
2695
    src[0] = t0;
2696
    src[1] = t1;
2697
    src[2] = t2;
2698
    src[3] = t3;
2699
    src[4] = t4;
2700
    src[5] = t5;
2701
    src[6] = t6;
2702
    src[7] = t7;
2703
    for( y = 1; y < 8; y++ )
2704
        *(uint64_t*)(src+y*stride) = *(uint64_t*)src;
2705
}
2706
static void pred8x8l_down_left_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2707
{
2708
    PREDICT_8x8_LOAD_TOP;
2709
    PREDICT_8x8_LOAD_TOPRIGHT;
2710
    SRC(0,0)= (t0 + 2*t1 + t2 + 2) >> 2;
2711
    SRC(0,1)=SRC(1,0)= (t1 + 2*t2 + t3 + 2) >> 2;
2712
    SRC(0,2)=SRC(1,1)=SRC(2,0)= (t2 + 2*t3 + t4 + 2) >> 2;
2713
    SRC(0,3)=SRC(1,2)=SRC(2,1)=SRC(3,0)= (t3 + 2*t4 + t5 + 2) >> 2;
2714
    SRC(0,4)=SRC(1,3)=SRC(2,2)=SRC(3,1)=SRC(4,0)= (t4 + 2*t5 + t6 + 2) >> 2;
2715
    SRC(0,5)=SRC(1,4)=SRC(2,3)=SRC(3,2)=SRC(4,1)=SRC(5,0)= (t5 + 2*t6 + t7 + 2) >> 2;
2716
    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;
2717
    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;
2718
    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;
2719
    SRC(2,7)=SRC(3,6)=SRC(4,5)=SRC(5,4)=SRC(6,3)=SRC(7,2)= (t9 + 2*t10 + t11 + 2) >> 2;
2720
    SRC(3,7)=SRC(4,6)=SRC(5,5)=SRC(6,4)=SRC(7,3)= (t10 + 2*t11 + t12 + 2) >> 2;
2721
    SRC(4,7)=SRC(5,6)=SRC(6,5)=SRC(7,4)= (t11 + 2*t12 + t13 + 2) >> 2;
2722
    SRC(5,7)=SRC(6,6)=SRC(7,5)= (t12 + 2*t13 + t14 + 2) >> 2;
2723
    SRC(6,7)=SRC(7,6)= (t13 + 2*t14 + t15 + 2) >> 2;
2724
    SRC(7,7)= (t14 + 3*t15 + 2) >> 2;
2725
}
2726
static void pred8x8l_down_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2727
{
2728
    PREDICT_8x8_LOAD_TOP;
2729
    PREDICT_8x8_LOAD_LEFT;
2730
    PREDICT_8x8_LOAD_TOPLEFT;
2731
    SRC(0,7)= (l7 + 2*l6 + l5 + 2) >> 2;
2732
    SRC(0,6)=SRC(1,7)= (l6 + 2*l5 + l4 + 2) >> 2;
2733
    SRC(0,5)=SRC(1,6)=SRC(2,7)= (l5 + 2*l4 + l3 + 2) >> 2;
2734
    SRC(0,4)=SRC(1,5)=SRC(2,6)=SRC(3,7)= (l4 + 2*l3 + l2 + 2) >> 2;
2735
    SRC(0,3)=SRC(1,4)=SRC(2,5)=SRC(3,6)=SRC(4,7)= (l3 + 2*l2 + l1 + 2) >> 2;
2736
    SRC(0,2)=SRC(1,3)=SRC(2,4)=SRC(3,5)=SRC(4,6)=SRC(5,7)= (l2 + 2*l1 + l0 + 2) >> 2;
2737
    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;
2738
    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;
2739
    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;
2740
    SRC(2,0)=SRC(3,1)=SRC(4,2)=SRC(5,3)=SRC(6,4)=SRC(7,5)= (t0 + 2*t1 + t2 + 2) >> 2;
2741
    SRC(3,0)=SRC(4,1)=SRC(5,2)=SRC(6,3)=SRC(7,4)= (t1 + 2*t2 + t3 + 2) >> 2;
2742
    SRC(4,0)=SRC(5,1)=SRC(6,2)=SRC(7,3)= (t2 + 2*t3 + t4 + 2) >> 2;
2743
    SRC(5,0)=SRC(6,1)=SRC(7,2)= (t3 + 2*t4 + t5 + 2) >> 2;
2744
    SRC(6,0)=SRC(7,1)= (t4 + 2*t5 + t6 + 2) >> 2;
2745
    SRC(7,0)= (t5 + 2*t6 + t7 + 2) >> 2;
2746 115329f1 Diego Biurrun
2747 43efd19a Loren Merritt
}
2748
static void pred8x8l_vertical_right_c(uint8_t *src, int has_topleft, int has_topright, int stride)
2749
{
2750
    PREDICT_8x8_LOAD_TOP;
2