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117 lines
5.8 KiB
117 lines
5.8 KiB
/* |
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* Copyright (c) 2003-2010 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/** |
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* @file |
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* H.264 DSP functions. |
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* @author Michael Niedermayer <michaelni@gmx.at> |
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*/ |
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#ifndef AVCODEC_H264DSP_H |
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#define AVCODEC_H264DSP_H |
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#include <stdint.h> |
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#include "dsputil.h" |
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typedef void (*h264_weight_func)(uint8_t *block, int stride, int height, |
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int log2_denom, int weight, int offset); |
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typedef void (*h264_biweight_func)(uint8_t *dst, uint8_t *src, |
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int stride, int height, int log2_denom, |
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int weightd, int weights, int offset); |
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/** |
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* Context for storing H.264 DSP functions |
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*/ |
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typedef struct H264DSPContext { |
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/* weighted MC */ |
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h264_weight_func weight_h264_pixels_tab[4]; |
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h264_biweight_func biweight_h264_pixels_tab[4]; |
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/* loop filter */ |
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void (*h264_v_loop_filter_luma)(uint8_t *pix /*align 16*/, int stride, |
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int alpha, int beta, int8_t *tc0); |
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void (*h264_h_loop_filter_luma)(uint8_t *pix /*align 4 */, int stride, |
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int alpha, int beta, int8_t *tc0); |
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void (*h264_h_loop_filter_luma_mbaff)(uint8_t *pix /*align 16*/, int stride, |
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int alpha, int beta, int8_t *tc0); |
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/* v/h_loop_filter_luma_intra: align 16 */ |
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void (*h264_v_loop_filter_luma_intra)(uint8_t *pix, int stride, |
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int alpha, int beta); |
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void (*h264_h_loop_filter_luma_intra)(uint8_t *pix, int stride, |
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int alpha, int beta); |
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void (*h264_h_loop_filter_luma_mbaff_intra)(uint8_t *pix /*align 16*/, |
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int stride, int alpha, int beta); |
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void (*h264_v_loop_filter_chroma)(uint8_t *pix /*align 8*/, int stride, |
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int alpha, int beta, int8_t *tc0); |
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void (*h264_h_loop_filter_chroma)(uint8_t *pix /*align 4*/, int stride, |
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int alpha, int beta, int8_t *tc0); |
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void (*h264_h_loop_filter_chroma_mbaff)(uint8_t *pix /*align 8*/, |
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int stride, int alpha, int beta, |
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int8_t *tc0); |
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void (*h264_v_loop_filter_chroma_intra)(uint8_t *pix /*align 8*/, |
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int stride, int alpha, int beta); |
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void (*h264_h_loop_filter_chroma_intra)(uint8_t *pix /*align 8*/, |
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int stride, int alpha, int beta); |
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void (*h264_h_loop_filter_chroma_mbaff_intra)(uint8_t *pix /*align 8*/, |
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int stride, int alpha, int beta); |
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// h264_loop_filter_strength: simd only. the C version is inlined in h264.c |
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void (*h264_loop_filter_strength)(int16_t bS[2][4][4], uint8_t nnz[40], |
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int8_t ref[2][40], int16_t mv[2][40][2], |
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int bidir, int edges, int step, |
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int mask_mv0, int mask_mv1, int field); |
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/* IDCT */ |
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void (*h264_idct_add)(uint8_t *dst /*align 4*/, |
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DCTELEM *block /*align 16*/, int stride); |
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void (*h264_idct8_add)(uint8_t *dst /*align 8*/, |
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DCTELEM *block /*align 16*/, int stride); |
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void (*h264_idct_dc_add)(uint8_t *dst /*align 4*/, |
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DCTELEM *block /*align 16*/, int stride); |
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void (*h264_idct8_dc_add)(uint8_t *dst /*align 8*/, |
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DCTELEM *block /*align 16*/, int stride); |
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void (*h264_idct_add16)(uint8_t *dst /*align 16*/, const int *blockoffset, |
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DCTELEM *block /*align 16*/, int stride, |
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const uint8_t nnzc[15 * 8]); |
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void (*h264_idct8_add4)(uint8_t *dst /*align 16*/, const int *blockoffset, |
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DCTELEM *block /*align 16*/, int stride, |
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const uint8_t nnzc[15 * 8]); |
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void (*h264_idct_add8)(uint8_t **dst /*align 16*/, const int *blockoffset, |
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DCTELEM *block /*align 16*/, int stride, |
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const uint8_t nnzc[15 * 8]); |
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void (*h264_idct_add16intra)(uint8_t *dst /*align 16*/, const int *blockoffset, |
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DCTELEM *block /*align 16*/, |
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int stride, const uint8_t nnzc[15 * 8]); |
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void (*h264_luma_dc_dequant_idct)(DCTELEM *output, |
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DCTELEM *input /*align 16*/, int qmul); |
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void (*h264_chroma_dc_dequant_idct)(DCTELEM *block, int qmul); |
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} H264DSPContext; |
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void ff_h264dsp_init(H264DSPContext *c, const int bit_depth, |
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const int chroma_format_idc); |
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void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth, |
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const int chroma_format_idc); |
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void ff_h264dsp_init_ppc(H264DSPContext *c, const int bit_depth, |
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const int chroma_format_idc); |
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void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth, |
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const int chroma_format_idc); |
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#endif /* AVCODEC_H264DSP_H */
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