ffmpeg/libavcodec/h264dsp.c

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/*
* H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
* Copyright (c) 2003-2010 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* H.264 / AVC / MPEG4 part10 DSP functions.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
#include <stdint.h>
#include "avcodec.h"
#include "h264dsp.h"
#define BIT_DEPTH 8
#include "h264dsp_internal.h"
#undef BIT_DEPTH
#define BIT_DEPTH 9
#include "h264dsp_internal.h"
#undef BIT_DEPTH
#define BIT_DEPTH 10
#include "h264dsp_internal.h"
#undef BIT_DEPTH
void ff_h264dsp_init(H264DSPContext *c, const int bit_depth)
{
#undef FUNC
#define FUNC(a, depth) a ## _ ## depth ## _c
#define H264_DSP(depth) \
c->h264_idct_add = FUNC(ff_h264_idct_add , depth);\
c->h264_idct8_add = FUNC(ff_h264_idct8_add , depth);\
c->h264_idct_dc_add = FUNC(ff_h264_idct_dc_add , depth);\
c->h264_idct8_dc_add = FUNC(ff_h264_idct8_dc_add , depth);\
c->h264_idct_add16 = FUNC(ff_h264_idct_add16 , depth);\
c->h264_idct8_add4 = FUNC(ff_h264_idct8_add4 , depth);\
c->h264_idct_add8 = FUNC(ff_h264_idct_add8 , depth);\
c->h264_idct_add16intra = FUNC(ff_h264_idct_add16intra , depth);\
c->h264_luma_dc_dequant_idct = FUNC(ff_h264_luma_dc_dequant_idct , depth);\
c->h264_chroma_dc_dequant_idct = FUNC(ff_h264_chroma_dc_dequant_idct , depth);\
\
c->weight_h264_pixels_tab[0] = FUNC( weight_h264_pixels16x16 , depth);\
c->weight_h264_pixels_tab[1] = FUNC( weight_h264_pixels16x8 , depth);\
c->weight_h264_pixels_tab[2] = FUNC( weight_h264_pixels8x16 , depth);\
c->weight_h264_pixels_tab[3] = FUNC( weight_h264_pixels8x8 , depth);\
c->weight_h264_pixels_tab[4] = FUNC( weight_h264_pixels8x4 , depth);\
c->weight_h264_pixels_tab[5] = FUNC( weight_h264_pixels4x8 , depth);\
c->weight_h264_pixels_tab[6] = FUNC( weight_h264_pixels4x4 , depth);\
c->weight_h264_pixels_tab[7] = FUNC( weight_h264_pixels4x2 , depth);\
c->weight_h264_pixels_tab[8] = FUNC( weight_h264_pixels2x4 , depth);\
c->weight_h264_pixels_tab[9] = FUNC( weight_h264_pixels2x2 , depth);\
c->biweight_h264_pixels_tab[0] = FUNC(biweight_h264_pixels16x16 , depth);\
c->biweight_h264_pixels_tab[1] = FUNC(biweight_h264_pixels16x8 , depth);\
c->biweight_h264_pixels_tab[2] = FUNC(biweight_h264_pixels8x16 , depth);\
c->biweight_h264_pixels_tab[3] = FUNC(biweight_h264_pixels8x8 , depth);\
c->biweight_h264_pixels_tab[4] = FUNC(biweight_h264_pixels8x4 , depth);\
c->biweight_h264_pixels_tab[5] = FUNC(biweight_h264_pixels4x8 , depth);\
c->biweight_h264_pixels_tab[6] = FUNC(biweight_h264_pixels4x4 , depth);\
c->biweight_h264_pixels_tab[7] = FUNC(biweight_h264_pixels4x2 , depth);\
c->biweight_h264_pixels_tab[8] = FUNC(biweight_h264_pixels2x4 , depth);\
c->biweight_h264_pixels_tab[9] = FUNC(biweight_h264_pixels2x2 , depth);\
\
c->h264_v_loop_filter_luma = FUNC(h264_v_loop_filter_luma , depth);\
c->h264_h_loop_filter_luma = FUNC(h264_h_loop_filter_luma , depth);\
c->h264_v_loop_filter_luma_intra = FUNC(h264_v_loop_filter_luma_intra , depth);\
c->h264_h_loop_filter_luma_intra = FUNC(h264_h_loop_filter_luma_intra , depth);\
c->h264_v_loop_filter_chroma = FUNC(h264_v_loop_filter_chroma , depth);\
c->h264_h_loop_filter_chroma = FUNC(h264_h_loop_filter_chroma , depth);\
c->h264_v_loop_filter_chroma_intra = FUNC(h264_v_loop_filter_chroma_intra, depth);\
c->h264_h_loop_filter_chroma_intra = FUNC(h264_h_loop_filter_chroma_intra, depth);\
c->h264_loop_filter_strength= NULL;
switch (bit_depth) {
case 9:
H264_DSP(9);
break;
case 10:
H264_DSP(10);
break;
default:
H264_DSP(8);
break;
}
if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth);
if (HAVE_ALTIVEC) ff_h264dsp_init_ppc(c, bit_depth);
if (HAVE_MMX) ff_h264dsp_init_x86(c, bit_depth);
}