Libav 0.7.1
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00001 /* 00002 * Copyright (c) 2003-2010 Michael Niedermayer <michaelni@gmx.at> 00003 * 00004 * This file is part of Libav. 00005 * 00006 * Libav is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2.1 of the License, or (at your option) any later version. 00010 * 00011 * Libav is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Lesser General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU Lesser General Public 00017 * License along with Libav; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00019 */ 00020 00027 #ifndef AVCODEC_H264DSP_H 00028 #define AVCODEC_H264DSP_H 00029 00030 #include <stdint.h> 00031 #include "dsputil.h" 00032 00033 //typedef void (*h264_chroma_mc_func)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x, int y); 00034 typedef void (*h264_weight_func)(uint8_t *block, int stride, int log2_denom, int weight, int offset); 00035 typedef void (*h264_biweight_func)(uint8_t *dst, uint8_t *src, int stride, int log2_denom, int weightd, int weights, int offset); 00036 00040 typedef struct H264DSPContext{ 00041 /* weighted MC */ 00042 h264_weight_func weight_h264_pixels_tab[10]; 00043 h264_biweight_func biweight_h264_pixels_tab[10]; 00044 00045 /* loop filter */ 00046 void (*h264_v_loop_filter_luma)(uint8_t *pix/*align 16*/, int stride, int alpha, int beta, int8_t *tc0); 00047 void (*h264_h_loop_filter_luma)(uint8_t *pix/*align 4 */, int stride, int alpha, int beta, int8_t *tc0); 00048 void (*h264_h_loop_filter_luma_mbaff)(uint8_t *pix/*align 16*/, int stride, int alpha, int beta, int8_t *tc0); 00049 /* v/h_loop_filter_luma_intra: align 16 */ 00050 void (*h264_v_loop_filter_luma_intra)(uint8_t *pix, int stride, int alpha, int beta); 00051 void (*h264_h_loop_filter_luma_intra)(uint8_t *pix, int stride, int alpha, int beta); 00052 void (*h264_h_loop_filter_luma_mbaff_intra)(uint8_t *pix/*align 16*/, int stride, int alpha, int beta); 00053 void (*h264_v_loop_filter_chroma)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta, int8_t *tc0); 00054 void (*h264_h_loop_filter_chroma)(uint8_t *pix/*align 4*/, int stride, int alpha, int beta, int8_t *tc0); 00055 void (*h264_h_loop_filter_chroma_mbaff)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta, int8_t *tc0); 00056 void (*h264_v_loop_filter_chroma_intra)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta); 00057 void (*h264_h_loop_filter_chroma_intra)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta); 00058 void (*h264_h_loop_filter_chroma_mbaff_intra)(uint8_t *pix/*align 8*/, int stride, int alpha, int beta); 00059 // h264_loop_filter_strength: simd only. the C version is inlined in h264.c 00060 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], 00061 int bidir, int edges, int step, int mask_mv0, int mask_mv1, int field); 00062 00063 /* IDCT */ 00064 void (*h264_idct_add)(uint8_t *dst/*align 4*/, DCTELEM *block/*align 16*/, int stride); 00065 void (*h264_idct8_add)(uint8_t *dst/*align 8*/, DCTELEM *block/*align 16*/, int stride); 00066 void (*h264_idct_dc_add)(uint8_t *dst/*align 4*/, DCTELEM *block/*align 16*/, int stride); 00067 void (*h264_idct8_dc_add)(uint8_t *dst/*align 8*/, DCTELEM *block/*align 16*/, int stride); 00068 00069 void (*h264_idct_add16)(uint8_t *dst/*align 16*/, const int *blockoffset, DCTELEM *block/*align 16*/, int stride, const uint8_t nnzc[15*8]); 00070 void (*h264_idct8_add4)(uint8_t *dst/*align 16*/, const int *blockoffset, DCTELEM *block/*align 16*/, int stride, const uint8_t nnzc[15*8]); 00071 void (*h264_idct_add8)(uint8_t **dst/*align 16*/, const int *blockoffset, DCTELEM *block/*align 16*/, int stride, const uint8_t nnzc[15*8]); 00072 void (*h264_idct_add16intra)(uint8_t *dst/*align 16*/, const int *blockoffset, DCTELEM *block/*align 16*/, int stride, const uint8_t nnzc[15*8]); 00073 void (*h264_luma_dc_dequant_idct)(DCTELEM *output, DCTELEM *input/*align 16*/, int qmul); 00074 void (*h264_chroma_dc_dequant_idct)(DCTELEM *block, int qmul); 00075 }H264DSPContext; 00076 00077 void ff_h264dsp_init(H264DSPContext *c, const int bit_depth); 00078 void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth); 00079 void ff_h264dsp_init_ppc(H264DSPContext *c, const int bit_depth); 00080 void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth); 00081 00082 #endif /* AVCODEC_H264DSP_H */