FFmpeg: libavcodec/h264dsp.c Source File

00001 /*
00002  * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
00003  * Copyright (c) 2003-2010 Michael Niedermayer <michaelni@gmx.at>
00004  *
00005  * This file is part of FFmpeg.
00006  *
00007  * FFmpeg is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Lesser General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2.1 of the License, or (at your option) any later version.
00011  *
00012  * FFmpeg is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Lesser General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Lesser General Public
00018  * License along with FFmpeg; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00020  */
00021 
00028 #include <stdint.h>
00029 #include "avcodec.h"
00030 #include "h264dsp.h"
00031 
00032 #define BIT_DEPTH 8
00033 #include "h264dsp_template.c"
00034 #undef BIT_DEPTH
00035 
00036 #define BIT_DEPTH 9
00037 #include "h264dsp_template.c"
00038 #undef BIT_DEPTH
00039 
00040 #define BIT_DEPTH 10
00041 #include "h264dsp_template.c"
00042 #undef BIT_DEPTH
00043 
00044 void ff_h264dsp_init(H264DSPContext *c, const int bit_depth)
00045 {
00046 #undef FUNC
00047 #define FUNC(a, depth) a ## _ ## depth ## _c
00048 
00049 #define H264_DSP(depth) \
00050     c->h264_idct_add= FUNC(ff_h264_idct_add, depth);\
00051     c->h264_idct8_add= FUNC(ff_h264_idct8_add, depth);\
00052     c->h264_idct_dc_add= FUNC(ff_h264_idct_dc_add, depth);\
00053     c->h264_idct8_dc_add= FUNC(ff_h264_idct8_dc_add, depth);\
00054     c->h264_idct_add16     = FUNC(ff_h264_idct_add16, depth);\
00055     c->h264_idct8_add4     = FUNC(ff_h264_idct8_add4, depth);\
00056     c->h264_idct_add8      = FUNC(ff_h264_idct_add8, depth);\
00057     c->h264_idct_add16intra= FUNC(ff_h264_idct_add16intra, depth);\
00058     c->h264_luma_dc_dequant_idct= FUNC(ff_h264_luma_dc_dequant_idct, depth);\
00059     c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma_dc_dequant_idct, depth);\
00060 \
00061     c->weight_h264_pixels_tab[0]= FUNC(weight_h264_pixels16x16, depth);\
00062     c->weight_h264_pixels_tab[1]= FUNC(weight_h264_pixels16x8, depth);\
00063     c->weight_h264_pixels_tab[2]= FUNC(weight_h264_pixels8x16, depth);\
00064     c->weight_h264_pixels_tab[3]= FUNC(weight_h264_pixels8x8, depth);\
00065     c->weight_h264_pixels_tab[4]= FUNC(weight_h264_pixels8x4, depth);\
00066     c->weight_h264_pixels_tab[5]= FUNC(weight_h264_pixels4x8, depth);\
00067     c->weight_h264_pixels_tab[6]= FUNC(weight_h264_pixels4x4, depth);\
00068     c->weight_h264_pixels_tab[7]= FUNC(weight_h264_pixels4x2, depth);\
00069     c->weight_h264_pixels_tab[8]= FUNC(weight_h264_pixels2x4, depth);\
00070     c->weight_h264_pixels_tab[9]= FUNC(weight_h264_pixels2x2, depth);\
00071     c->biweight_h264_pixels_tab[0]= FUNC(biweight_h264_pixels16x16, depth);\
00072     c->biweight_h264_pixels_tab[1]= FUNC(biweight_h264_pixels16x8, depth);\
00073     c->biweight_h264_pixels_tab[2]= FUNC(biweight_h264_pixels8x16, depth);\
00074     c->biweight_h264_pixels_tab[3]= FUNC(biweight_h264_pixels8x8, depth);\
00075     c->biweight_h264_pixels_tab[4]= FUNC(biweight_h264_pixels8x4, depth);\
00076     c->biweight_h264_pixels_tab[5]= FUNC(biweight_h264_pixels4x8, depth);\
00077     c->biweight_h264_pixels_tab[6]= FUNC(biweight_h264_pixels4x4, depth);\
00078     c->biweight_h264_pixels_tab[7]= FUNC(biweight_h264_pixels4x2, depth);\
00079     c->biweight_h264_pixels_tab[8]= FUNC(biweight_h264_pixels2x4, depth);\
00080     c->biweight_h264_pixels_tab[9]= FUNC(biweight_h264_pixels2x2, depth);\
00081 \
00082     c->h264_v_loop_filter_luma= FUNC(h264_v_loop_filter_luma, depth);\
00083     c->h264_h_loop_filter_luma= FUNC(h264_h_loop_filter_luma, depth);\
00084     c->h264_h_loop_filter_luma_mbaff= FUNC(h264_h_loop_filter_luma_mbaff, depth);\
00085     c->h264_v_loop_filter_luma_intra= FUNC(h264_v_loop_filter_luma_intra, depth);\
00086     c->h264_h_loop_filter_luma_intra= FUNC(h264_h_loop_filter_luma_intra, depth);\
00087     c->h264_h_loop_filter_luma_mbaff_intra= FUNC(h264_h_loop_filter_luma_mbaff_intra, depth);\
00088     c->h264_v_loop_filter_chroma= FUNC(h264_v_loop_filter_chroma, depth);\
00089     c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma, depth);\
00090     c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma_mbaff, depth);\
00091     c->h264_v_loop_filter_chroma_intra= FUNC(h264_v_loop_filter_chroma_intra, depth);\
00092     c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma_intra, depth);\
00093     c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma_mbaff_intra, depth);\
00094     c->h264_loop_filter_strength= NULL;
00095 
00096     switch (bit_depth) {
00097     case 9:
00098         H264_DSP(9);
00099         break;
00100     case 10:
00101         H264_DSP(10);
00102         break;
00103     default:
00104         H264_DSP(8);
00105         break;
00106     }
00107 
00108     if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth);
00109     if (HAVE_ALTIVEC) ff_h264dsp_init_ppc(c, bit_depth);
00110     if (HAVE_MMX) ff_h264dsp_init_x86(c, bit_depth);
00111 }