ffmpeg / libavcodec / dsputil.h @ 1e2245c2
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/*
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* DSP utils
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* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg 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 FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file libavcodec/dsputil.h
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* DSP utils.
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* note, many functions in here may use MMX which trashes the FPU state, it is
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* absolutely necessary to call emms_c() between dsp & float/double code
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*/
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#ifndef AVCODEC_DSPUTIL_H
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#define AVCODEC_DSPUTIL_H
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#include "libavutil/intreadwrite.h" |
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#include "avcodec.h" |
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//#define DEBUG
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/* dct code */
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typedef short DCTELEM; |
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typedef int DWTELEM; |
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typedef short IDWTELEM; |
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void fdct_ifast (DCTELEM *data);
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void fdct_ifast248 (DCTELEM *data);
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void ff_jpeg_fdct_islow (DCTELEM *data);
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void ff_fdct248_islow (DCTELEM *data);
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void j_rev_dct (DCTELEM *data);
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void j_rev_dct4 (DCTELEM *data);
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void j_rev_dct2 (DCTELEM *data);
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void j_rev_dct1 (DCTELEM *data);
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void ff_wmv2_idct_c(DCTELEM *data);
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void ff_fdct_mmx(DCTELEM *block);
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void ff_fdct_mmx2(DCTELEM *block);
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void ff_fdct_sse2(DCTELEM *block);
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void ff_h264_idct8_add_c(uint8_t *dst, DCTELEM *block, int stride); |
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void ff_h264_idct_add_c(uint8_t *dst, DCTELEM *block, int stride); |
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void ff_h264_idct8_dc_add_c(uint8_t *dst, DCTELEM *block, int stride); |
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void ff_h264_idct_dc_add_c(uint8_t *dst, DCTELEM *block, int stride); |
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void ff_h264_lowres_idct_add_c(uint8_t *dst, int stride, DCTELEM *block); |
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void ff_h264_lowres_idct_put_c(uint8_t *dst, int stride, DCTELEM *block); |
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void ff_h264_idct_add16_c(uint8_t *dst, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]); |
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void ff_h264_idct_add16intra_c(uint8_t *dst, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]); |
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void ff_h264_idct8_add4_c(uint8_t *dst, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]); |
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void ff_h264_idct_add8_c(uint8_t **dest, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]); |
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void ff_vector_fmul_window_c(float *dst, const float *src0, const float *src1, |
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const float *win, float add_bias, int len); |
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void ff_float_to_int16_c(int16_t *dst, const float *src, long len); |
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void ff_float_to_int16_interleave_c(int16_t *dst, const float **src, long len, int channels); |
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/* encoding scans */
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extern const uint8_t ff_alternate_horizontal_scan[64]; |
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extern const uint8_t ff_alternate_vertical_scan[64]; |
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extern const uint8_t ff_zigzag_direct[64]; |
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extern const uint8_t ff_zigzag248_direct[64]; |
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/* pixel operations */
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#define MAX_NEG_CROP 1024 |
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/* temporary */
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extern uint32_t ff_squareTbl[512]; |
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extern uint8_t ff_cropTbl[256 + 2 * MAX_NEG_CROP]; |
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/* VP3 DSP functions */
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void ff_vp3_idct_c(DCTELEM *block/* align 16*/); |
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void ff_vp3_idct_put_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); |
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void ff_vp3_idct_add_c(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); |
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void ff_vp3_v_loop_filter_c(uint8_t *src, int stride, int *bounding_values); |
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void ff_vp3_h_loop_filter_c(uint8_t *src, int stride, int *bounding_values); |
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/* VP6 DSP functions */
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void ff_vp6_filter_diag4_c(uint8_t *dst, uint8_t *src, int stride, |
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const int16_t *h_weights, const int16_t *v_weights); |
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/* 1/2^n downscaling functions from imgconvert.c */
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void ff_img_copy_plane(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); |
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void ff_shrink22(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); |
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void ff_shrink44(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); |
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void ff_shrink88(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); |
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void ff_gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy, |
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int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height); |
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/* minimum alignment rules ;)
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If you notice errors in the align stuff, need more alignment for some ASM code
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for some CPU or need to use a function with less aligned data then send a mail
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to the ffmpeg-devel mailing list, ...
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!warning These alignments might not match reality, (missing attribute((align))
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stuff somewhere possible).
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I (Michael) did not check them, these are just the alignments which I think
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could be reached easily ...
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!future video codecs might need functions with less strict alignment
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*/
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/*
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void get_pixels_c(DCTELEM *block, const uint8_t *pixels, int line_size);
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void diff_pixels_c(DCTELEM *block, const uint8_t *s1, const uint8_t *s2, int stride);
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void put_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size);
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void add_pixels_clamped_c(const DCTELEM *block, uint8_t *pixels, int line_size);
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void clear_blocks_c(DCTELEM *blocks);
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*/
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/* add and put pixel (decoding) */
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// blocksizes for op_pixels_func are 8x4,8x8 16x8 16x16
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//h for op_pixels_func is limited to {width/2, width} but never larger than 16 and never smaller then 4
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typedef void (*op_pixels_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int h); |
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typedef void (*tpel_mc_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, int line_size, int w, int h); |
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typedef void (*qpel_mc_func)(uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride); |
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typedef void (*h264_chroma_mc_func)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x, int y); |
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typedef void (*h264_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int offset); |
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typedef void (*h264_biweight_func)(uint8_t *dst, uint8_t *src, int stride, int log2_denom, int weightd, int weights, int offset); |
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#define DEF_OLD_QPEL(name)\
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void ff_put_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\ |
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void ff_put_no_rnd_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride);\ |
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void ff_avg_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, int stride); |
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DEF_OLD_QPEL(qpel16_mc11_old_c) |
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DEF_OLD_QPEL(qpel16_mc31_old_c) |
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DEF_OLD_QPEL(qpel16_mc12_old_c) |
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DEF_OLD_QPEL(qpel16_mc32_old_c) |
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DEF_OLD_QPEL(qpel16_mc13_old_c) |
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DEF_OLD_QPEL(qpel16_mc33_old_c) |
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DEF_OLD_QPEL(qpel8_mc11_old_c) |
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DEF_OLD_QPEL(qpel8_mc31_old_c) |
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DEF_OLD_QPEL(qpel8_mc12_old_c) |
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DEF_OLD_QPEL(qpel8_mc32_old_c) |
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DEF_OLD_QPEL(qpel8_mc13_old_c) |
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DEF_OLD_QPEL(qpel8_mc33_old_c) |
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#define CALL_2X_PIXELS(a, b, n)\
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static void a(uint8_t *block, const uint8_t *pixels, int line_size, int h){\ |
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b(block , pixels , line_size, h);\ |
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b(block+n, pixels+n, line_size, h);\ |
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} |
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/* motion estimation */
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// h is limited to {width/2, width, 2*width} but never larger than 16 and never smaller then 2
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// although currently h<4 is not used as functions with width <8 are neither used nor implemented
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typedef int (*me_cmp_func)(void /*MpegEncContext*/ *s, uint8_t *blk1/*align width (8 or 16)*/, uint8_t *blk2/*align 1*/, int line_size, int h)/* __attribute__ ((const))*/; |
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// for snow slices
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typedef struct slice_buffer_s slice_buffer; |
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/**
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* Scantable.
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*/
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typedef struct ScanTable{ |
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const uint8_t *scantable;
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uint8_t permutated[64];
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uint8_t raster_end[64];
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#if ARCH_PPC
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/** Used by dct_quantize_altivec to find last-non-zero */
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DECLARE_ALIGNED(16, uint8_t, inverse)[64]; |
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#endif
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} ScanTable; |
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void ff_init_scantable(uint8_t *, ScanTable *st, const uint8_t *src_scantable); |
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void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, |
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int block_w, int block_h, |
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int src_x, int src_y, int w, int h); |
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/**
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* DSPContext.
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*/
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typedef struct DSPContext { |
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/* pixel ops : interface with DCT */
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void (*get_pixels)(DCTELEM *block/*align 16*/, const uint8_t *pixels/*align 8*/, int line_size); |
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void (*diff_pixels)(DCTELEM *block/*align 16*/, const uint8_t *s1/*align 8*/, const uint8_t *s2/*align 8*/, int stride); |
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void (*put_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); |
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void (*put_signed_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); |
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void (*add_pixels_clamped)(const DCTELEM *block/*align 16*/, uint8_t *pixels/*align 8*/, int line_size); |
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void (*add_pixels8)(uint8_t *pixels, DCTELEM *block, int line_size); |
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void (*add_pixels4)(uint8_t *pixels, DCTELEM *block, int line_size); |
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int (*sum_abs_dctelem)(DCTELEM *block/*align 16*/); |
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/**
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* translational global motion compensation.
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*/
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void (*gmc1)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x16, int y16, int rounder); |
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/**
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* global motion compensation.
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*/
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void (*gmc )(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int ox, int oy, |
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int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height); |
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void (*clear_block)(DCTELEM *block/*align 16*/); |
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void (*clear_blocks)(DCTELEM *blocks/*align 16*/); |
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int (*pix_sum)(uint8_t * pix, int line_size); |
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int (*pix_norm1)(uint8_t * pix, int line_size); |
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// 16x16 8x8 4x4 2x2 16x8 8x4 4x2 8x16 4x8 2x4
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me_cmp_func sad[6]; /* identical to pix_absAxA except additional void * */ |
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me_cmp_func sse[6];
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me_cmp_func hadamard8_diff[6];
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me_cmp_func dct_sad[6];
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me_cmp_func quant_psnr[6];
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me_cmp_func bit[6];
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me_cmp_func rd[6];
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me_cmp_func vsad[6];
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me_cmp_func vsse[6];
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me_cmp_func nsse[6];
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me_cmp_func w53[6];
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me_cmp_func w97[6];
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me_cmp_func dct_max[6];
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me_cmp_func dct264_sad[6];
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me_cmp_func me_pre_cmp[6];
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me_cmp_func me_cmp[6];
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me_cmp_func me_sub_cmp[6];
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me_cmp_func mb_cmp[6];
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me_cmp_func ildct_cmp[6]; //only width 16 used |
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me_cmp_func frame_skip_cmp[6]; //only width 8 used |
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int (*ssd_int8_vs_int16)(const int8_t *pix1, const int16_t *pix2, |
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int size);
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/**
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* Halfpel motion compensation with rounding (a+b+1)>>1.
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* this is an array[4][4] of motion compensation functions for 4
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* horizontal blocksizes (8,16) and the 4 halfpel positions<br>
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* *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
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* @param block destination where the result is stored
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* @param pixels source
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* @param line_size number of bytes in a horizontal line of block
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* @param h height
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*/
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op_pixels_func put_pixels_tab[4][4]; |
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/**
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* Halfpel motion compensation with rounding (a+b+1)>>1.
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* This is an array[4][4] of motion compensation functions for 4
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* horizontal blocksizes (8,16) and the 4 halfpel positions<br>
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* *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
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* @param block destination into which the result is averaged (a+b+1)>>1
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* @param pixels source
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* @param line_size number of bytes in a horizontal line of block
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* @param h height
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*/
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op_pixels_func avg_pixels_tab[4][4]; |
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/**
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* Halfpel motion compensation with no rounding (a+b)>>1.
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* this is an array[2][4] of motion compensation functions for 2
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* horizontal blocksizes (8,16) and the 4 halfpel positions<br>
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* *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
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* @param block destination where the result is stored
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* @param pixels source
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* @param line_size number of bytes in a horizontal line of block
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* @param h height
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*/
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op_pixels_func put_no_rnd_pixels_tab[4][4]; |
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/**
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* Halfpel motion compensation with no rounding (a+b)>>1.
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* this is an array[2][4] of motion compensation functions for 2
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* horizontal blocksizes (8,16) and the 4 halfpel positions<br>
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* *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ]
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* @param block destination into which the result is averaged (a+b)>>1
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* @param pixels source
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* @param line_size number of bytes in a horizontal line of block
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* @param h height
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*/
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op_pixels_func avg_no_rnd_pixels_tab[4][4]; |
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void (*put_no_rnd_pixels_l2[2])(uint8_t *block/*align width (8 or 16)*/, const uint8_t *a/*align 1*/, const uint8_t *b/*align 1*/, int line_size, int h); |
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/**
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* Thirdpel motion compensation with rounding (a+b+1)>>1.
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* this is an array[12] of motion compensation functions for the 9 thirdpe
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* positions<br>
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* *pixels_tab[ xthirdpel + 4*ythirdpel ]
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* @param block destination where the result is stored
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* @param pixels source
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* @param line_size number of bytes in a horizontal line of block
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* @param h height
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*/
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tpel_mc_func put_tpel_pixels_tab[11]; //FIXME individual func ptr per width? |
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tpel_mc_func avg_tpel_pixels_tab[11]; //FIXME individual func ptr per width? |
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qpel_mc_func put_qpel_pixels_tab[2][16]; |
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qpel_mc_func avg_qpel_pixels_tab[2][16]; |
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qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16]; |
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qpel_mc_func avg_no_rnd_qpel_pixels_tab[2][16]; |
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qpel_mc_func put_mspel_pixels_tab[8];
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/**
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* h264 Chroma MC
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*/
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h264_chroma_mc_func put_h264_chroma_pixels_tab[3];
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h264_chroma_mc_func avg_h264_chroma_pixels_tab[3];
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/* This is really one func used in VC-1 decoding */
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h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3];
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h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3];
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qpel_mc_func put_h264_qpel_pixels_tab[4][16]; |
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qpel_mc_func avg_h264_qpel_pixels_tab[4][16]; |
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qpel_mc_func put_2tap_qpel_pixels_tab[4][16]; |
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qpel_mc_func avg_2tap_qpel_pixels_tab[4][16]; |
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h264_weight_func weight_h264_pixels_tab[10];
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h264_biweight_func biweight_h264_pixels_tab[10];
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/* AVS specific */
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qpel_mc_func put_cavs_qpel_pixels_tab[2][16]; |
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qpel_mc_func avg_cavs_qpel_pixels_tab[2][16]; |
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void (*cavs_filter_lv)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2); |
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void (*cavs_filter_lh)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2); |
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void (*cavs_filter_cv)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2); |
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void (*cavs_filter_ch)(uint8_t *pix, int stride, int alpha, int beta, int tc, int bs1, int bs2); |
| 338 |
void (*cavs_idct8_add)(uint8_t *dst, DCTELEM *block, int stride); |
| 339 |
|
| 340 |
me_cmp_func pix_abs[2][4]; |
| 341 |
|
| 342 |
/* huffyuv specific */
|
| 343 |
void (*add_bytes)(uint8_t *dst/*align 16*/, uint8_t *src/*align 16*/, int w); |
| 344 |
void (*add_bytes_l2)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 16*/, int w); |
| 345 |
void (*diff_bytes)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 1*/,int w); |
| 346 |
/**
|
| 347 |
* subtract huffyuv's variant of median prediction
|
| 348 |
* note, this might read from src1[-1], src2[-1]
|
| 349 |
*/
|
| 350 |
void (*sub_hfyu_median_prediction)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int w, int *left, int *left_top); |
| 351 |
void (*add_hfyu_median_prediction)(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int w, int *left, int *left_top); |
| 352 |
int (*add_hfyu_left_prediction)(uint8_t *dst, const uint8_t *src, int w, int left); |
| 353 |
void (*add_hfyu_left_prediction_bgr32)(uint8_t *dst, const uint8_t *src, int w, int *red, int *green, int *blue, int *alpha); |
| 354 |
/* this might write to dst[w] */
|
| 355 |
void (*add_png_paeth_prediction)(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp); |
| 356 |
void (*bswap_buf)(uint32_t *dst, const uint32_t *src, int w); |
| 357 |
|
| 358 |
void (*h264_v_loop_filter_luma)(uint8_t *pix/*align 16*/, int stride, int alpha, int beta, int8_t *tc0); |
| 359 |
void (*h264_h_loop_filter_luma)(uint8_t *pix/*align 4 */, int stride, int alpha, int beta, int8_t *tc0); |
| 360 |
/* v/h_loop_filter_luma_intra: align 16 */
|
| 361 |
void (*h264_v_loop_filter_luma_intra)(uint8_t *pix, int stride, int alpha, int beta); |
| 362 |
void (*h264_h_loop_filter_luma_intra)(uint8_t *pix, int stride, int alpha, int beta); |
| 363 |
void (*h264_v_loop_filter_chroma)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta, int8_t *tc0); |
| 364 |
void (*h264_h_loop_filter_chroma)(uint8_t *pix/*align 4*/, int stride, int alpha, int beta, int8_t *tc0); |
| 365 |
void (*h264_v_loop_filter_chroma_intra)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta); |
| 366 |
void (*h264_h_loop_filter_chroma_intra)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta); |
| 367 |
// h264_loop_filter_strength: simd only. the C version is inlined in h264.c
|
| 368 |
void (*h264_loop_filter_strength)(int16_t bS[2][4][4], uint8_t nnz[40], int8_t ref[2][40], int16_t mv[2][40][2], |
| 369 |
int bidir, int edges, int step, int mask_mv0, int mask_mv1, int field); |
| 370 |
|
| 371 |
void (*h263_v_loop_filter)(uint8_t *src, int stride, int qscale); |
| 372 |
void (*h263_h_loop_filter)(uint8_t *src, int stride, int qscale); |
| 373 |
|
| 374 |
void (*h261_loop_filter)(uint8_t *src, int stride); |
| 375 |
|
| 376 |
void (*x8_v_loop_filter)(uint8_t *src, int stride, int qscale); |
| 377 |
void (*x8_h_loop_filter)(uint8_t *src, int stride, int qscale); |
| 378 |
|
| 379 |
void (*vp3_v_loop_filter)(uint8_t *src, int stride, int *bounding_values); |
| 380 |
void (*vp3_h_loop_filter)(uint8_t *src, int stride, int *bounding_values); |
| 381 |
|
| 382 |
void (*vp6_filter_diag4)(uint8_t *dst, uint8_t *src, int stride, |
| 383 |
const int16_t *h_weights,const int16_t *v_weights); |
| 384 |
|
| 385 |
/* assume len is a multiple of 4, and arrays are 16-byte aligned */
|
| 386 |
void (*vorbis_inverse_coupling)(float *mag, float *ang, int blocksize); |
| 387 |
void (*ac3_downmix)(float (*samples)[256], float (*matrix)[2], int out_ch, int in_ch, int len); |
| 388 |
/* no alignment needed */
|
| 389 |
void (*lpc_compute_autocorr)(const int32_t *data, int len, int lag, double *autoc); |
| 390 |
/* assume len is a multiple of 8, and arrays are 16-byte aligned */
|
| 391 |
void (*vector_fmul)(float *dst, const float *src, int len); |
| 392 |
void (*vector_fmul_reverse)(float *dst, const float *src0, const float *src1, int len); |
| 393 |
/* assume len is a multiple of 8, and src arrays are 16-byte aligned */
|
| 394 |
void (*vector_fmul_add)(float *dst, const float *src0, const float *src1, const float *src2, int len); |
| 395 |
/* assume len is a multiple of 4, and arrays are 16-byte aligned */
|
| 396 |
void (*vector_fmul_window)(float *dst, const float *src0, const float *src1, const float *win, float add_bias, int len); |
| 397 |
/* assume len is a multiple of 8, and arrays are 16-byte aligned */
|
| 398 |
void (*int32_to_float_fmul_scalar)(float *dst, const int *src, float mul, int len); |
| 399 |
void (*vector_clipf)(float *dst /* align 16 */, const float *src /* align 16 */, float min, float max, int len /* align 16 */); |
| 400 |
/**
|
| 401 |
* Multiply a vector of floats by a scalar float. Source and
|
| 402 |
* destination vectors must overlap exactly or not at all.
|
| 403 |
* @param dst result vector, 16-byte aligned
|
| 404 |
* @param src input vector, 16-byte aligned
|
| 405 |
* @param mul scalar value
|
| 406 |
* @param len length of vector, multiple of 4
|
| 407 |
*/
|
| 408 |
void (*vector_fmul_scalar)(float *dst, const float *src, float mul, |
| 409 |
int len);
|
| 410 |
/**
|
| 411 |
* Multiply a vector of floats by concatenated short vectors of
|
| 412 |
* floats and by a scalar float. Source and destination vectors
|
| 413 |
* must overlap exactly or not at all.
|
| 414 |
* [0]: short vectors of length 2, 8-byte aligned
|
| 415 |
* [1]: short vectors of length 4, 16-byte aligned
|
| 416 |
* @param dst output vector, 16-byte aligned
|
| 417 |
* @param src input vector, 16-byte aligned
|
| 418 |
* @param sv array of pointers to short vectors
|
| 419 |
* @param mul scalar value
|
| 420 |
* @param len number of elements in src and dst, multiple of 4
|
| 421 |
*/
|
| 422 |
void (*vector_fmul_sv_scalar[2])(float *dst, const float *src, |
| 423 |
const float **sv, float mul, int len); |
| 424 |
/**
|
| 425 |
* Multiply short vectors of floats by a scalar float, store
|
| 426 |
* concatenated result.
|
| 427 |
* [0]: short vectors of length 2, 8-byte aligned
|
| 428 |
* [1]: short vectors of length 4, 16-byte aligned
|
| 429 |
* @param dst output vector, 16-byte aligned
|
| 430 |
* @param sv array of pointers to short vectors
|
| 431 |
* @param mul scalar value
|
| 432 |
* @param len number of output elements, multiple of 4
|
| 433 |
*/
|
| 434 |
void (*sv_fmul_scalar[2])(float *dst, const float **sv, |
| 435 |
float mul, int len); |
| 436 |
/**
|
| 437 |
* Calculate the scalar product of two vectors of floats.
|
| 438 |
* @param v1 first vector, 16-byte aligned
|
| 439 |
* @param v2 second vector, 16-byte aligned
|
| 440 |
* @param len length of vectors, multiple of 4
|
| 441 |
*/
|
| 442 |
float (*scalarproduct_float)(const float *v1, const float *v2, int len); |
| 443 |
/**
|
| 444 |
* Calculate the sum and difference of two vectors of floats.
|
| 445 |
* @param v1 first input vector, sum output, 16-byte aligned
|
| 446 |
* @param v2 second input vector, difference output, 16-byte aligned
|
| 447 |
* @param len length of vectors, multiple of 4
|
| 448 |
*/
|
| 449 |
void (*butterflies_float)(float *restrict v1, float *restrict v2, int len); |
| 450 |
|
| 451 |
/* C version: convert floats from the range [384.0,386.0] to ints in [-32768,32767]
|
| 452 |
* simd versions: convert floats from [-32768.0,32767.0] without rescaling and arrays are 16byte aligned */
|
| 453 |
void (*float_to_int16)(int16_t *dst, const float *src, long len); |
| 454 |
void (*float_to_int16_interleave)(int16_t *dst, const float **src, long len, int channels); |
| 455 |
|
| 456 |
/* (I)DCT */
|
| 457 |
void (*fdct)(DCTELEM *block/* align 16*/); |
| 458 |
void (*fdct248)(DCTELEM *block/* align 16*/); |
| 459 |
|
| 460 |
/* IDCT really*/
|
| 461 |
void (*idct)(DCTELEM *block/* align 16*/); |
| 462 |
|
| 463 |
/**
|
| 464 |
* block -> idct -> clip to unsigned 8 bit -> dest.
|
| 465 |
* (-1392, 0, 0, ...) -> idct -> (-174, -174, ...) -> put -> (0, 0, ...)
|
| 466 |
* @param line_size size in bytes of a horizontal line of dest
|
| 467 |
*/
|
| 468 |
void (*idct_put)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); |
| 469 |
|
| 470 |
/**
|
| 471 |
* block -> idct -> add dest -> clip to unsigned 8 bit -> dest.
|
| 472 |
* @param line_size size in bytes of a horizontal line of dest
|
| 473 |
*/
|
| 474 |
void (*idct_add)(uint8_t *dest/*align 8*/, int line_size, DCTELEM *block/*align 16*/); |
| 475 |
|
| 476 |
/**
|
| 477 |
* idct input permutation.
|
| 478 |
* several optimized IDCTs need a permutated input (relative to the normal order of the reference
|
| 479 |
* IDCT)
|
| 480 |
* this permutation must be performed before the idct_put/add, note, normally this can be merged
|
| 481 |
* with the zigzag/alternate scan<br>
|
| 482 |
* an example to avoid confusion:
|
| 483 |
* - (->decode coeffs -> zigzag reorder -> dequant -> reference idct ->...)
|
| 484 |
* - (x -> referece dct -> reference idct -> x)
|
| 485 |
* - (x -> referece dct -> simple_mmx_perm = idct_permutation -> simple_idct_mmx -> x)
|
| 486 |
* - (->decode coeffs -> zigzag reorder -> simple_mmx_perm -> dequant -> simple_idct_mmx ->...)
|
| 487 |
*/
|
| 488 |
uint8_t idct_permutation[64];
|
| 489 |
int idct_permutation_type;
|
| 490 |
#define FF_NO_IDCT_PERM 1 |
| 491 |
#define FF_LIBMPEG2_IDCT_PERM 2 |
| 492 |
#define FF_SIMPLE_IDCT_PERM 3 |
| 493 |
#define FF_TRANSPOSE_IDCT_PERM 4 |
| 494 |
#define FF_PARTTRANS_IDCT_PERM 5 |
| 495 |
#define FF_SSE2_IDCT_PERM 6 |
| 496 |
|
| 497 |
int (*try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale); |
| 498 |
void (*add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale); |
| 499 |
#define BASIS_SHIFT 16 |
| 500 |
#define RECON_SHIFT 6 |
| 501 |
|
| 502 |
void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w); |
| 503 |
#define EDGE_WIDTH 16 |
| 504 |
|
| 505 |
/* h264 functions */
|
| 506 |
/* NOTE!!! if you implement any of h264_idct8_add, h264_idct8_add4 then you must implement all of them
|
| 507 |
NOTE!!! if you implement any of h264_idct_add, h264_idct_add16, h264_idct_add16intra, h264_idct_add8 then you must implement all of them
|
| 508 |
The reason for above, is that no 2 out of one list may use a different permutation.
|
| 509 |
*/
|
| 510 |
void (*h264_idct_add)(uint8_t *dst/*align 4*/, DCTELEM *block/*align 16*/, int stride); |
| 511 |
void (*h264_idct8_add)(uint8_t *dst/*align 8*/, DCTELEM *block/*align 16*/, int stride); |
| 512 |
void (*h264_idct_dc_add)(uint8_t *dst/*align 4*/, DCTELEM *block/*align 16*/, int stride); |
| 513 |
void (*h264_idct8_dc_add)(uint8_t *dst/*align 8*/, DCTELEM *block/*align 16*/, int stride); |
| 514 |
void (*h264_dct)(DCTELEM block[4][4]); |
| 515 |
void (*h264_idct_add16)(uint8_t *dst/*align 16*/, const int *blockoffset, DCTELEM *block/*align 16*/, int stride, const uint8_t nnzc[6*8]); |
| 516 |
void (*h264_idct8_add4)(uint8_t *dst/*align 16*/, const int *blockoffset, DCTELEM *block/*align 16*/, int stride, const uint8_t nnzc[6*8]); |
| 517 |
void (*h264_idct_add8)(uint8_t **dst/*align 16*/, const int *blockoffset, DCTELEM *block/*align 16*/, int stride, const uint8_t nnzc[6*8]); |
| 518 |
void (*h264_idct_add16intra)(uint8_t *dst/*align 16*/, const int *blockoffset, DCTELEM *block/*align 16*/, int stride, const uint8_t nnzc[6*8]); |
| 519 |
|
| 520 |
/* snow wavelet */
|
| 521 |
void (*vertical_compose97i)(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width); |
| 522 |
void (*horizontal_compose97i)(IDWTELEM *b, int width); |
| 523 |
void (*inner_add_yblock)(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8); |
| 524 |
|
| 525 |
void (*prefetch)(void *mem, int stride, int h); |
| 526 |
|
| 527 |
void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height); |
| 528 |
|
| 529 |
/* mlp/truehd functions */
|
| 530 |
void (*mlp_filter_channel)(int32_t *state, const int32_t *coeff, |
| 531 |
int firorder, int iirorder, |
| 532 |
unsigned int filter_shift, int32_t mask, int blocksize, |
| 533 |
int32_t *sample_buffer); |
| 534 |
|
| 535 |
/* vc1 functions */
|
| 536 |
void (*vc1_inv_trans_8x8)(DCTELEM *b);
|
| 537 |
void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, DCTELEM *block); |
| 538 |
void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, DCTELEM *block); |
| 539 |
void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, DCTELEM *block); |
| 540 |
void (*vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, DCTELEM *block); |
| 541 |
void (*vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, DCTELEM *block); |
| 542 |
void (*vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, DCTELEM *block); |
| 543 |
void (*vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, DCTELEM *block); |
| 544 |
void (*vc1_v_overlap)(uint8_t* src, int stride); |
| 545 |
void (*vc1_h_overlap)(uint8_t* src, int stride); |
| 546 |
void (*vc1_v_loop_filter4)(uint8_t *src, int stride, int pq); |
| 547 |
void (*vc1_h_loop_filter4)(uint8_t *src, int stride, int pq); |
| 548 |
void (*vc1_v_loop_filter8)(uint8_t *src, int stride, int pq); |
| 549 |
void (*vc1_h_loop_filter8)(uint8_t *src, int stride, int pq); |
| 550 |
void (*vc1_v_loop_filter16)(uint8_t *src, int stride, int pq); |
| 551 |
void (*vc1_h_loop_filter16)(uint8_t *src, int stride, int pq); |
| 552 |
/* put 8x8 block with bicubic interpolation and quarterpel precision
|
| 553 |
* last argument is actually round value instead of height
|
| 554 |
*/
|
| 555 |
op_pixels_func put_vc1_mspel_pixels_tab[16];
|
| 556 |
op_pixels_func avg_vc1_mspel_pixels_tab[16];
|
| 557 |
|
| 558 |
/* intrax8 functions */
|
| 559 |
void (*x8_spatial_compensation[12])(uint8_t *src , uint8_t *dst, int linesize); |
| 560 |
void (*x8_setup_spatial_compensation)(uint8_t *src, uint8_t *dst, int linesize, |
| 561 |
int * range, int * sum, int edges); |
| 562 |
|
| 563 |
/**
|
| 564 |
* Calculate scalar product of two vectors.
|
| 565 |
* @param len length of vectors, should be multiple of 16
|
| 566 |
* @param shift number of bits to discard from product
|
| 567 |
*/
|
| 568 |
int32_t (*scalarproduct_int16)(int16_t *v1, int16_t *v2/*align 16*/, int len, int shift); |
| 569 |
/* ape functions */
|
| 570 |
/**
|
| 571 |
* Calculate scalar product of v1 and v2,
|
| 572 |
* and v1[i] += v3[i] * mul
|
| 573 |
* @param len length of vectors, should be multiple of 16
|
| 574 |
*/
|
| 575 |
int32_t (*scalarproduct_and_madd_int16)(int16_t *v1/*align 16*/, int16_t *v2, int16_t *v3, int len, int mul); |
| 576 |
|
| 577 |
/* rv30 functions */
|
| 578 |
qpel_mc_func put_rv30_tpel_pixels_tab[4][16]; |
| 579 |
qpel_mc_func avg_rv30_tpel_pixels_tab[4][16]; |
| 580 |
|
| 581 |
/* rv40 functions */
|
| 582 |
qpel_mc_func put_rv40_qpel_pixels_tab[4][16]; |
| 583 |
qpel_mc_func avg_rv40_qpel_pixels_tab[4][16]; |
| 584 |
h264_chroma_mc_func put_rv40_chroma_pixels_tab[3];
|
| 585 |
h264_chroma_mc_func avg_rv40_chroma_pixels_tab[3];
|
| 586 |
} DSPContext; |
| 587 |
|
| 588 |
void dsputil_static_init(void); |
| 589 |
void dsputil_init(DSPContext* p, AVCodecContext *avctx);
|
| 590 |
|
| 591 |
int ff_check_alignment(void); |
| 592 |
|
| 593 |
/**
|
| 594 |
* permute block according to permuatation.
|
| 595 |
* @param last last non zero element in scantable order
|
| 596 |
*/
|
| 597 |
void ff_block_permute(DCTELEM *block, uint8_t *permutation, const uint8_t *scantable, int last); |
| 598 |
|
| 599 |
void ff_set_cmp(DSPContext* c, me_cmp_func *cmp, int type); |
| 600 |
|
| 601 |
#define BYTE_VEC32(c) ((c)*0x01010101UL) |
| 602 |
|
| 603 |
static inline uint32_t rnd_avg32(uint32_t a, uint32_t b) |
| 604 |
{
|
| 605 |
return (a | b) - (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1); |
| 606 |
} |
| 607 |
|
| 608 |
static inline uint32_t no_rnd_avg32(uint32_t a, uint32_t b) |
| 609 |
{
|
| 610 |
return (a & b) + (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1); |
| 611 |
} |
| 612 |
|
| 613 |
static inline int get_penalty_factor(int lambda, int lambda2, int type){ |
| 614 |
switch(type&0xFF){ |
| 615 |
default:
|
| 616 |
case FF_CMP_SAD:
|
| 617 |
return lambda>>FF_LAMBDA_SHIFT;
|
| 618 |
case FF_CMP_DCT:
|
| 619 |
return (3*lambda)>>(FF_LAMBDA_SHIFT+1); |
| 620 |
case FF_CMP_W53:
|
| 621 |
return (4*lambda)>>(FF_LAMBDA_SHIFT); |
| 622 |
case FF_CMP_W97:
|
| 623 |
return (2*lambda)>>(FF_LAMBDA_SHIFT); |
| 624 |
case FF_CMP_SATD:
|
| 625 |
case FF_CMP_DCT264:
|
| 626 |
return (2*lambda)>>FF_LAMBDA_SHIFT; |
| 627 |
case FF_CMP_RD:
|
| 628 |
case FF_CMP_PSNR:
|
| 629 |
case FF_CMP_SSE:
|
| 630 |
case FF_CMP_NSSE:
|
| 631 |
return lambda2>>FF_LAMBDA_SHIFT;
|
| 632 |
case FF_CMP_BIT:
|
| 633 |
return 1; |
| 634 |
} |
| 635 |
} |
| 636 |
|
| 637 |
/**
|
| 638 |
* Empty mmx state.
|
| 639 |
* this must be called between any dsp function and float/double code.
|
| 640 |
* for example sin(); dsp->idct_put(); emms_c(); cos()
|
| 641 |
*/
|
| 642 |
#define emms_c()
|
| 643 |
|
| 644 |
/* should be defined by architectures supporting
|
| 645 |
one or more MultiMedia extension */
|
| 646 |
int mm_support(void); |
| 647 |
extern int mm_flags; |
| 648 |
|
| 649 |
void dsputil_init_alpha(DSPContext* c, AVCodecContext *avctx);
|
| 650 |
void dsputil_init_arm(DSPContext* c, AVCodecContext *avctx);
|
| 651 |
void dsputil_init_bfin(DSPContext* c, AVCodecContext *avctx);
|
| 652 |
void dsputil_init_mlib(DSPContext* c, AVCodecContext *avctx);
|
| 653 |
void dsputil_init_mmi(DSPContext* c, AVCodecContext *avctx);
|
| 654 |
void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx);
|
| 655 |
void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx);
|
| 656 |
void dsputil_init_sh4(DSPContext* c, AVCodecContext *avctx);
|
| 657 |
void dsputil_init_vis(DSPContext* c, AVCodecContext *avctx);
|
| 658 |
|
| 659 |
#define DECLARE_ALIGNED_16(t, v, ...) DECLARE_ALIGNED(16, t, v) |
| 660 |
#define DECLARE_ALIGNED_8(t, v, ...) DECLARE_ALIGNED(8, t, v) |
| 661 |
|
| 662 |
#if HAVE_MMX
|
| 663 |
|
| 664 |
#undef emms_c
|
| 665 |
|
| 666 |
static inline void emms(void) |
| 667 |
{
|
| 668 |
__asm__ volatile ("emms;":::"memory"); |
| 669 |
} |
| 670 |
|
| 671 |
|
| 672 |
#define emms_c() \
|
| 673 |
{\
|
| 674 |
if (mm_flags & FF_MM_MMX)\
|
| 675 |
emms();\ |
| 676 |
} |
| 677 |
|
| 678 |
#elif ARCH_ARM
|
| 679 |
|
| 680 |
#if HAVE_NEON
|
| 681 |
# define STRIDE_ALIGN 16 |
| 682 |
#endif
|
| 683 |
|
| 684 |
#elif ARCH_PPC
|
| 685 |
|
| 686 |
#define STRIDE_ALIGN 16 |
| 687 |
|
| 688 |
#elif HAVE_MMI
|
| 689 |
|
| 690 |
#define STRIDE_ALIGN 16 |
| 691 |
|
| 692 |
#else
|
| 693 |
|
| 694 |
#define mm_flags 0 |
| 695 |
#define mm_support() 0 |
| 696 |
|
| 697 |
#endif
|
| 698 |
|
| 699 |
#ifndef STRIDE_ALIGN
|
| 700 |
# define STRIDE_ALIGN 8 |
| 701 |
#endif
|
| 702 |
|
| 703 |
#define LOCAL_ALIGNED(a, t, v, s, ...) \
|
| 704 |
uint8_t la_##v[sizeof(t s __VA_ARGS__) + (a)]; \ |
| 705 |
t (*v) __VA_ARGS__ = (void *)FFALIGN((uintptr_t)la_##v, a) |
| 706 |
|
| 707 |
#if HAVE_LOCAL_ALIGNED_8
|
| 708 |
# define LOCAL_ALIGNED_8(t, v, s, ...) DECLARE_ALIGNED_8(t, v) s __VA_ARGS__
|
| 709 |
#else
|
| 710 |
# define LOCAL_ALIGNED_8(t, v, s, ...) LOCAL_ALIGNED(8, t, v, s, __VA_ARGS__) |
| 711 |
#endif
|
| 712 |
|
| 713 |
#if HAVE_LOCAL_ALIGNED_16
|
| 714 |
# define LOCAL_ALIGNED_16(t, v, s, ...) DECLARE_ALIGNED_16(t, v) s __VA_ARGS__
|
| 715 |
#else
|
| 716 |
# define LOCAL_ALIGNED_16(t, v, s, ...) LOCAL_ALIGNED(16, t, v, s, __VA_ARGS__) |
| 717 |
#endif
|
| 718 |
|
| 719 |
/* PSNR */
|
| 720 |
void get_psnr(uint8_t *orig_image[3], uint8_t *coded_image[3], |
| 721 |
int orig_linesize[3], int coded_linesize, |
| 722 |
AVCodecContext *avctx); |
| 723 |
|
| 724 |
/* FFT computation */
|
| 725 |
|
| 726 |
/* NOTE: soon integer code will be added, so you must use the
|
| 727 |
FFTSample type */
|
| 728 |
typedef float FFTSample; |
| 729 |
|
| 730 |
typedef struct FFTComplex { |
| 731 |
FFTSample re, im; |
| 732 |
} FFTComplex; |
| 733 |
|
| 734 |
typedef struct FFTContext { |
| 735 |
int nbits;
|
| 736 |
int inverse;
|
| 737 |
uint16_t *revtab; |
| 738 |
FFTComplex *exptab; |
| 739 |
FFTComplex *exptab1; /* only used by SSE code */
|
| 740 |
FFTComplex *tmp_buf; |
| 741 |
int mdct_size; /* size of MDCT (i.e. number of input data * 2) */ |
| 742 |
int mdct_bits; /* n = 2^nbits */ |
| 743 |
/* pre/post rotation tables */
|
| 744 |
FFTSample *tcos; |
| 745 |
FFTSample *tsin; |
| 746 |
void (*fft_permute)(struct FFTContext *s, FFTComplex *z); |
| 747 |
void (*fft_calc)(struct FFTContext *s, FFTComplex *z); |
| 748 |
void (*imdct_calc)(struct FFTContext *s, FFTSample *output, const FFTSample *input); |
| 749 |
void (*imdct_half)(struct FFTContext *s, FFTSample *output, const FFTSample *input); |
| 750 |
void (*mdct_calc)(struct FFTContext *s, FFTSample *output, const FFTSample *input); |
| 751 |
int split_radix;
|
| 752 |
int permutation;
|
| 753 |
#define FF_MDCT_PERM_NONE 0 |
| 754 |
#define FF_MDCT_PERM_INTERLEAVE 1 |
| 755 |
} FFTContext; |
| 756 |
|
| 757 |
#if CONFIG_HARDCODED_TABLES
|
| 758 |
#define COSTABLE_CONST const |
| 759 |
#define SINTABLE_CONST const |
| 760 |
#define SINETABLE_CONST const |
| 761 |
#else
|
| 762 |
#define COSTABLE_CONST
|
| 763 |
#define SINTABLE_CONST
|
| 764 |
#define SINETABLE_CONST
|
| 765 |
#endif
|
| 766 |
|
| 767 |
#define COSTABLE(size) \
|
| 768 |
COSTABLE_CONST DECLARE_ALIGNED_16(FFTSample, ff_cos_##size)[size/2] |
| 769 |
#define SINTABLE(size) \
|
| 770 |
SINTABLE_CONST DECLARE_ALIGNED_16(FFTSample, ff_sin_##size)[size/2] |
| 771 |
#define SINETABLE(size) \
|
| 772 |
SINETABLE_CONST DECLARE_ALIGNED_16(float, ff_sine_##size)[size] |
| 773 |
extern COSTABLE(16); |
| 774 |
extern COSTABLE(32); |
| 775 |
extern COSTABLE(64); |
| 776 |
extern COSTABLE(128); |
| 777 |
extern COSTABLE(256); |
| 778 |
extern COSTABLE(512); |
| 779 |
extern COSTABLE(1024); |
| 780 |
extern COSTABLE(2048); |
| 781 |
extern COSTABLE(4096); |
| 782 |
extern COSTABLE(8192); |
| 783 |
extern COSTABLE(16384); |
| 784 |
extern COSTABLE(32768); |
| 785 |
extern COSTABLE(65536); |
| 786 |
extern COSTABLE_CONST FFTSample* const ff_cos_tabs[17]; |
| 787 |
|
| 788 |
/**
|
| 789 |
* Initializes the cosine table in ff_cos_tabs[index]
|
| 790 |
* \param index index in ff_cos_tabs array of the table to initialize
|
| 791 |
*/
|
| 792 |
void ff_init_ff_cos_tabs(int index); |
| 793 |
|
| 794 |
extern SINTABLE(16); |
| 795 |
extern SINTABLE(32); |
| 796 |
extern SINTABLE(64); |
| 797 |
extern SINTABLE(128); |
| 798 |
extern SINTABLE(256); |
| 799 |
extern SINTABLE(512); |
| 800 |
extern SINTABLE(1024); |
| 801 |
extern SINTABLE(2048); |
| 802 |
extern SINTABLE(4096); |
| 803 |
extern SINTABLE(8192); |
| 804 |
extern SINTABLE(16384); |
| 805 |
extern SINTABLE(32768); |
| 806 |
extern SINTABLE(65536); |
| 807 |
|
| 808 |
/**
|
| 809 |
* Sets up a complex FFT.
|
| 810 |
* @param nbits log2 of the length of the input array
|
| 811 |
* @param inverse if 0 perform the forward transform, if 1 perform the inverse
|
| 812 |
*/
|
| 813 |
int ff_fft_init(FFTContext *s, int nbits, int inverse); |
| 814 |
void ff_fft_permute_c(FFTContext *s, FFTComplex *z);
|
| 815 |
void ff_fft_calc_c(FFTContext *s, FFTComplex *z);
|
| 816 |
|
| 817 |
void ff_fft_init_altivec(FFTContext *s);
|
| 818 |
void ff_fft_init_mmx(FFTContext *s);
|
| 819 |
void ff_fft_init_arm(FFTContext *s);
|
| 820 |
|
| 821 |
/**
|
| 822 |
* Do the permutation needed BEFORE calling ff_fft_calc().
|
| 823 |
*/
|
| 824 |
static inline void ff_fft_permute(FFTContext *s, FFTComplex *z) |
| 825 |
{
|
| 826 |
s->fft_permute(s, z); |
| 827 |
} |
| 828 |
/**
|
| 829 |
* Do a complex FFT with the parameters defined in ff_fft_init(). The
|
| 830 |
* input data must be permuted before. No 1.0/sqrt(n) normalization is done.
|
| 831 |
*/
|
| 832 |
static inline void ff_fft_calc(FFTContext *s, FFTComplex *z) |
| 833 |
{
|
| 834 |
s->fft_calc(s, z); |
| 835 |
} |
| 836 |
void ff_fft_end(FFTContext *s);
|
| 837 |
|
| 838 |
/* MDCT computation */
|
| 839 |
|
| 840 |
static inline void ff_imdct_calc(FFTContext *s, FFTSample *output, const FFTSample *input) |
| 841 |
{
|
| 842 |
s->imdct_calc(s, output, input); |
| 843 |
} |
| 844 |
static inline void ff_imdct_half(FFTContext *s, FFTSample *output, const FFTSample *input) |
| 845 |
{
|
| 846 |
s->imdct_half(s, output, input); |
| 847 |
} |
| 848 |
|
| 849 |
static inline void ff_mdct_calc(FFTContext *s, FFTSample *output, |
| 850 |
const FFTSample *input)
|
| 851 |
{
|
| 852 |
s->mdct_calc(s, output, input); |
| 853 |
} |
| 854 |
|
| 855 |
/**
|
| 856 |
* Generate a Kaiser-Bessel Derived Window.
|
| 857 |
* @param window pointer to half window
|
| 858 |
* @param alpha determines window shape
|
| 859 |
* @param n size of half window
|
| 860 |
*/
|
| 861 |
void ff_kbd_window_init(float *window, float alpha, int n); |
| 862 |
|
| 863 |
/**
|
| 864 |
* Generate a sine window.
|
| 865 |
* @param window pointer to half window
|
| 866 |
* @param n size of half window
|
| 867 |
*/
|
| 868 |
void ff_sine_window_init(float *window, int n); |
| 869 |
/**
|
| 870 |
* initialize the specified entry of ff_sine_windows
|
| 871 |
*/
|
| 872 |
void ff_init_ff_sine_windows(int index); |
| 873 |
extern SINETABLE( 32); |
| 874 |
extern SINETABLE( 64); |
| 875 |
extern SINETABLE( 128); |
| 876 |
extern SINETABLE( 256); |
| 877 |
extern SINETABLE( 512); |
| 878 |
extern SINETABLE(1024); |
| 879 |
extern SINETABLE(2048); |
| 880 |
extern SINETABLE(4096); |
| 881 |
extern SINETABLE_CONST float * const ff_sine_windows[13]; |
| 882 |
|
| 883 |
int ff_mdct_init(FFTContext *s, int nbits, int inverse, double scale); |
| 884 |
void ff_imdct_calc_c(FFTContext *s, FFTSample *output, const FFTSample *input); |
| 885 |
void ff_imdct_half_c(FFTContext *s, FFTSample *output, const FFTSample *input); |
| 886 |
void ff_mdct_calc_c(FFTContext *s, FFTSample *output, const FFTSample *input); |
| 887 |
void ff_mdct_end(FFTContext *s);
|
| 888 |
|
| 889 |
/* Real Discrete Fourier Transform */
|
| 890 |
|
| 891 |
enum RDFTransformType {
|
| 892 |
RDFT, |
| 893 |
IRDFT, |
| 894 |
RIDFT, |
| 895 |
IRIDFT, |
| 896 |
}; |
| 897 |
|
| 898 |
typedef struct { |
| 899 |
int nbits;
|
| 900 |
int inverse;
|
| 901 |
int sign_convention;
|
| 902 |
|
| 903 |
/* pre/post rotation tables */
|
| 904 |
const FFTSample *tcos;
|
| 905 |
SINTABLE_CONST FFTSample *tsin; |
| 906 |
FFTContext fft; |
| 907 |
} RDFTContext; |
| 908 |
|
| 909 |
/**
|
| 910 |
* Sets up a real FFT.
|
| 911 |
* @param nbits log2 of the length of the input array
|
| 912 |
* @param trans the type of transform
|
| 913 |
*/
|
| 914 |
int ff_rdft_init(RDFTContext *s, int nbits, enum RDFTransformType trans); |
| 915 |
void ff_rdft_calc(RDFTContext *s, FFTSample *data);
|
| 916 |
void ff_rdft_end(RDFTContext *s);
|
| 917 |
|
| 918 |
/* Discrete Cosine Transform */
|
| 919 |
|
| 920 |
typedef struct { |
| 921 |
int nbits;
|
| 922 |
int inverse;
|
| 923 |
FFTSample *data; |
| 924 |
RDFTContext rdft; |
| 925 |
const float *costab; |
| 926 |
FFTSample *csc2; |
| 927 |
} DCTContext; |
| 928 |
|
| 929 |
/**
|
| 930 |
* Sets up (Inverse)DCT.
|
| 931 |
* @param nbits log2 of the length of the input array
|
| 932 |
* @param inverse >0 forward transform, <0 inverse transform
|
| 933 |
*/
|
| 934 |
int ff_dct_init(DCTContext *s, int nbits, int inverse); |
| 935 |
void ff_dct_calc(DCTContext *s, FFTSample *data);
|
| 936 |
void ff_dct_end (DCTContext *s);
|
| 937 |
|
| 938 |
#define WRAPPER8_16(name8, name16)\
|
| 939 |
static int name16(void /*MpegEncContext*/ *s, uint8_t *dst, uint8_t *src, int stride, int h){\ |
| 940 |
return name8(s, dst , src , stride, h)\
|
| 941 |
+name8(s, dst+8 , src+8 , stride, h);\ |
| 942 |
} |
| 943 |
|
| 944 |
#define WRAPPER8_16_SQ(name8, name16)\
|
| 945 |
static int name16(void /*MpegEncContext*/ *s, uint8_t *dst, uint8_t *src, int stride, int h){\ |
| 946 |
int score=0;\ |
| 947 |
score +=name8(s, dst , src , stride, 8);\
|
| 948 |
score +=name8(s, dst+8 , src+8 , stride, 8);\ |
| 949 |
if(h==16){\ |
| 950 |
dst += 8*stride;\
|
| 951 |
src += 8*stride;\
|
| 952 |
score +=name8(s, dst , src , stride, 8);\
|
| 953 |
score +=name8(s, dst+8 , src+8 , stride, 8);\ |
| 954 |
}\ |
| 955 |
return score;\
|
| 956 |
} |
| 957 |
|
| 958 |
|
| 959 |
static inline void copy_block2(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
| 960 |
{
|
| 961 |
int i;
|
| 962 |
for(i=0; i<h; i++) |
| 963 |
{
|
| 964 |
AV_WN16(dst , AV_RN16(src )); |
| 965 |
dst+=dstStride; |
| 966 |
src+=srcStride; |
| 967 |
} |
| 968 |
} |
| 969 |
|
| 970 |
static inline void copy_block4(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
| 971 |
{
|
| 972 |
int i;
|
| 973 |
for(i=0; i<h; i++) |
| 974 |
{
|
| 975 |
AV_WN32(dst , AV_RN32(src )); |
| 976 |
dst+=dstStride; |
| 977 |
src+=srcStride; |
| 978 |
} |
| 979 |
} |
| 980 |
|
| 981 |
static inline void copy_block8(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
| 982 |
{
|
| 983 |
int i;
|
| 984 |
for(i=0; i<h; i++) |
| 985 |
{
|
| 986 |
AV_WN32(dst , AV_RN32(src )); |
| 987 |
AV_WN32(dst+4 , AV_RN32(src+4 )); |
| 988 |
dst+=dstStride; |
| 989 |
src+=srcStride; |
| 990 |
} |
| 991 |
} |
| 992 |
|
| 993 |
static inline void copy_block9(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
| 994 |
{
|
| 995 |
int i;
|
| 996 |
for(i=0; i<h; i++) |
| 997 |
{
|
| 998 |
AV_WN32(dst , AV_RN32(src )); |
| 999 |
AV_WN32(dst+4 , AV_RN32(src+4 )); |
| 1000 |
dst[8]= src[8]; |
| 1001 |
dst+=dstStride; |
| 1002 |
src+=srcStride; |
| 1003 |
} |
| 1004 |
} |
| 1005 |
|
| 1006 |
static inline void copy_block16(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
| 1007 |
{
|
| 1008 |
int i;
|
| 1009 |
for(i=0; i<h; i++) |
| 1010 |
{
|
| 1011 |
AV_WN32(dst , AV_RN32(src )); |
| 1012 |
AV_WN32(dst+4 , AV_RN32(src+4 )); |
| 1013 |
AV_WN32(dst+8 , AV_RN32(src+8 )); |
| 1014 |
AV_WN32(dst+12, AV_RN32(src+12)); |
| 1015 |
dst+=dstStride; |
| 1016 |
src+=srcStride; |
| 1017 |
} |
| 1018 |
} |
| 1019 |
|
| 1020 |
static inline void copy_block17(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h) |
| 1021 |
{
|
| 1022 |
int i;
|
| 1023 |
for(i=0; i<h; i++) |
| 1024 |
{
|
| 1025 |
AV_WN32(dst , AV_RN32(src )); |
| 1026 |
AV_WN32(dst+4 , AV_RN32(src+4 )); |
| 1027 |
AV_WN32(dst+8 , AV_RN32(src+8 )); |
| 1028 |
AV_WN32(dst+12, AV_RN32(src+12)); |
| 1029 |
dst[16]= src[16]; |
| 1030 |
dst+=dstStride; |
| 1031 |
src+=srcStride; |
| 1032 |
} |
| 1033 |
} |
| 1034 |
|
| 1035 |
#endif /* AVCODEC_DSPUTIL_H */ |