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, const int chroma_format_idc)
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     if (chroma_format_idc == 1)\
00057         c->h264_idct_add8  = FUNC(ff_h264_idct_add8, depth);\
00058     else\
00059         c->h264_idct_add8  = FUNC(ff_h264_idct_add8_422, depth);\
00060     c->h264_idct_add16intra= FUNC(ff_h264_idct_add16intra, depth);\
00061     c->h264_luma_dc_dequant_idct= FUNC(ff_h264_luma_dc_dequant_idct, depth);\
00062     if (chroma_format_idc == 1)\
00063         c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma_dc_dequant_idct, depth);\
00064     else\
00065         c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma422_dc_dequant_idct, depth);\
00066 \
00067     c->weight_h264_pixels_tab[0]= FUNC(weight_h264_pixels16, depth);\
00068     c->weight_h264_pixels_tab[1]= FUNC(weight_h264_pixels8, depth);\
00069     c->weight_h264_pixels_tab[2]= FUNC(weight_h264_pixels4, depth);\
00070     c->weight_h264_pixels_tab[3]= FUNC(weight_h264_pixels2, depth);\
00071     c->biweight_h264_pixels_tab[0]= FUNC(biweight_h264_pixels16, depth);\
00072     c->biweight_h264_pixels_tab[1]= FUNC(biweight_h264_pixels8, depth);\
00073     c->biweight_h264_pixels_tab[2]= FUNC(biweight_h264_pixels4, depth);\
00074     c->biweight_h264_pixels_tab[3]= FUNC(biweight_h264_pixels2, depth);\
00075 \
00076     c->h264_v_loop_filter_luma= FUNC(h264_v_loop_filter_luma, depth);\
00077     c->h264_h_loop_filter_luma= FUNC(h264_h_loop_filter_luma, depth);\
00078     c->h264_h_loop_filter_luma_mbaff= FUNC(h264_h_loop_filter_luma_mbaff, depth);\
00079     c->h264_v_loop_filter_luma_intra= FUNC(h264_v_loop_filter_luma_intra, depth);\
00080     c->h264_h_loop_filter_luma_intra= FUNC(h264_h_loop_filter_luma_intra, depth);\
00081     c->h264_h_loop_filter_luma_mbaff_intra= FUNC(h264_h_loop_filter_luma_mbaff_intra, depth);\
00082     c->h264_v_loop_filter_chroma= FUNC(h264_v_loop_filter_chroma, depth);\
00083     if (chroma_format_idc == 1)\
00084         c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma, depth);\
00085     else\
00086         c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma422, depth);\
00087     if (chroma_format_idc == 1)\
00088         c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma_mbaff, depth);\
00089     else\
00090         c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma422_mbaff, depth);\
00091     c->h264_v_loop_filter_chroma_intra= FUNC(h264_v_loop_filter_chroma_intra, depth);\
00092     if (chroma_format_idc == 1)\
00093         c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma_intra, depth);\
00094     else\
00095         c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma422_intra, depth);\
00096     if (chroma_format_idc == 1)\
00097         c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma_mbaff_intra, depth);\
00098     else\
00099         c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma422_mbaff_intra, depth);\
00100     c->h264_loop_filter_strength= NULL;
00101 
00102     switch (bit_depth) {
00103     case 9:
00104         H264_DSP(9);
00105         break;
00106     case 10:
00107         H264_DSP(10);
00108         break;
00109     default:
00110         H264_DSP(8);
00111         break;
00112     }
00113 
00114     if (ARCH_ARM) ff_h264dsp_init_arm(c, bit_depth, chroma_format_idc);
00115     if (HAVE_ALTIVEC) ff_h264dsp_init_ppc(c, bit_depth, chroma_format_idc);
00116     if (HAVE_MMX) ff_h264dsp_init_x86(c, bit_depth, chroma_format_idc);
00117 }