/*
- * H.264/MPEG-4 Part 10 (Base profile) encoder.
+ * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
+ * Copyright (c) 2003-2010 Michael Niedermayer <michaelni@gmx.at>
*
- * DSP functions
+ * This file is part of Libav.
*
- * Copyright (c) 2006 Expertisecentrum Digitale Media, UHasselt
- *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file h264dsp.c
- * H.264 encoder related DSP utils
- *
+ * @file
+ * H.264 / AVC / MPEG4 part10 DSP functions.
+ * @author Michael Niedermayer <michaelni@gmx.at>
*/
-#include "dsputil.h"
+#include <stdint.h>
+#include "avcodec.h"
+#include "h264dsp.h"
+#include "libavutil/common.h"
-extern const uint8_t ff_div6[52];
-extern const uint8_t ff_rem6[52];
+#define BIT_DEPTH 8
+#include "h264dsp_template.c"
+#undef BIT_DEPTH
-#define H264_DCT_PART1(X) \
- a = block[0][X]+block[3][X]; \
- c = block[0][X]-block[3][X]; \
- b = block[1][X]+block[2][X]; \
- d = block[1][X]-block[2][X]; \
- pieces[0][X] = a+b; \
- pieces[2][X] = a-b; \
- pieces[1][X] = (c<<1)+d; \
- pieces[3][X] = c-(d<<1);
+#define BIT_DEPTH 9
+#include "h264dsp_template.c"
+#undef BIT_DEPTH
-#define H264_DCT_PART2(X) \
- a = pieces[X][0]+pieces[X][3]; \
- c = pieces[X][0]-pieces[X][3]; \
- b = pieces[X][1]+pieces[X][2]; \
- d = pieces[X][1]-pieces[X][2]; \
- block[0][X] = a+b; \
- block[2][X] = a-b; \
- block[1][X] = (c<<1)+d; \
- block[3][X] = c-(d<<1);
+#define BIT_DEPTH 10
+#include "h264dsp_template.c"
+#undef BIT_DEPTH
-/**
- * Transform the provided matrix using the H.264 modified DCT.
- * @note
- * we'll always work with transposed input blocks, to avoid having to make a
- * distinction between C and mmx implementations.
- *
- * @param block transposed input block
- */
-static void h264_dct_c(DCTELEM block[4][4])
+void ff_h264dsp_init(H264DSPContext *c, const int bit_depth, const int chroma_format_idc)
{
- DCTELEM pieces[4][4];
- DCTELEM a, b, c, d;
+#undef FUNC
+#define FUNC(a, depth) a ## _ ## depth ## _c
- H264_DCT_PART1(0);
- H264_DCT_PART1(1);
- H264_DCT_PART1(2);
- H264_DCT_PART1(3);
- H264_DCT_PART2(0);
- H264_DCT_PART2(1);
- H264_DCT_PART2(2);
- H264_DCT_PART2(3);
-}
+#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);\
+ if (chroma_format_idc == 1)\
+ c->h264_idct_add8 = FUNC(ff_h264_idct_add8, depth);\
+ else\
+ c->h264_idct_add8 = FUNC(ff_h264_idct_add8_422, 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);\
+ if (chroma_format_idc == 1)\
+ c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma_dc_dequant_idct, depth);\
+ else\
+ c->h264_chroma_dc_dequant_idct= FUNC(ff_h264_chroma422_dc_dequant_idct, depth);\
+\
+ c->weight_h264_pixels_tab[0]= FUNC(weight_h264_pixels16, depth);\
+ c->weight_h264_pixels_tab[1]= FUNC(weight_h264_pixels8, depth);\
+ c->weight_h264_pixels_tab[2]= FUNC(weight_h264_pixels4, depth);\
+ c->weight_h264_pixels_tab[3]= FUNC(weight_h264_pixels2, depth);\
+ c->biweight_h264_pixels_tab[0]= FUNC(biweight_h264_pixels16, depth);\
+ c->biweight_h264_pixels_tab[1]= FUNC(biweight_h264_pixels8, depth);\
+ c->biweight_h264_pixels_tab[2]= FUNC(biweight_h264_pixels4, depth);\
+ c->biweight_h264_pixels_tab[3]= FUNC(biweight_h264_pixels2, 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_h_loop_filter_luma_mbaff= FUNC(h264_h_loop_filter_luma_mbaff, 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_h_loop_filter_luma_mbaff_intra= FUNC(h264_h_loop_filter_luma_mbaff_intra, depth);\
+ c->h264_v_loop_filter_chroma= FUNC(h264_v_loop_filter_chroma, depth);\
+ if (chroma_format_idc == 1)\
+ c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma, depth);\
+ else\
+ c->h264_h_loop_filter_chroma= FUNC(h264_h_loop_filter_chroma422, depth);\
+ if (chroma_format_idc == 1)\
+ c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma_mbaff, depth);\
+ else\
+ c->h264_h_loop_filter_chroma_mbaff= FUNC(h264_h_loop_filter_chroma422_mbaff, depth);\
+ c->h264_v_loop_filter_chroma_intra= FUNC(h264_v_loop_filter_chroma_intra, depth);\
+ if (chroma_format_idc == 1)\
+ c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma_intra, depth);\
+ else\
+ c->h264_h_loop_filter_chroma_intra= FUNC(h264_h_loop_filter_chroma422_intra, depth);\
+ if (chroma_format_idc == 1)\
+ c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma_mbaff_intra, depth);\
+ else\
+ c->h264_h_loop_filter_chroma_mbaff_intra= FUNC(h264_h_loop_filter_chroma422_mbaff_intra, depth);\
+ c->h264_loop_filter_strength= NULL;
-void ff_h264dsp_init(DSPContext* c, AVCodecContext *avctx)
-{
- c->h264_dct = h264_dct_c;
-}
+ 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, chroma_format_idc);
+ if (HAVE_ALTIVEC) ff_h264dsp_init_ppc(c, bit_depth, chroma_format_idc);
+ if (ARCH_X86) ff_h264dsp_init_x86(c, bit_depth, chroma_format_idc);
+}
projects / ffmpeg / blobdiff