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88 lines
3.4 KiB
88 lines
3.4 KiB
/* |
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* RV30/40 decoder motion compensation functions |
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* Copyright (c) 2008 Konstantin Shishkov |
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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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* RV30/40 decoder motion compensation functions |
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*/ |
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#ifndef AVCODEC_RV34DSP_H |
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#define AVCODEC_RV34DSP_H |
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#include "dsputil.h" |
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#include "h264chroma.h" |
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typedef void (*rv40_weight_func)(uint8_t *dst/*align width (8 or 16)*/, |
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uint8_t *src1/*align width (8 or 16)*/, |
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uint8_t *src2/*align width (8 or 16)*/, |
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int w1, int w2, ptrdiff_t stride); |
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typedef void (*rv34_inv_transform_func)(int16_t *block); |
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typedef void (*rv34_idct_add_func)(uint8_t *dst, ptrdiff_t stride, int16_t *block); |
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typedef void (*rv34_idct_dc_add_func)(uint8_t *dst, ptrdiff_t stride, |
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int dc); |
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typedef void (*rv40_weak_loop_filter_func)(uint8_t *src, ptrdiff_t stride, |
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int filter_p1, int filter_q1, |
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int alpha, int beta, |
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int lims, int lim_q1, int lim_p1); |
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typedef void (*rv40_strong_loop_filter_func)(uint8_t *src, ptrdiff_t stride, |
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int alpha, int lims, |
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int dmode, int chroma); |
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typedef int (*rv40_loop_filter_strength_func)(uint8_t *src, ptrdiff_t stride, |
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int beta, int beta2, int edge, |
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int *p1, int *q1); |
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typedef struct RV34DSPContext { |
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qpel_mc_func put_pixels_tab[4][16]; |
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qpel_mc_func avg_pixels_tab[4][16]; |
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h264_chroma_mc_func put_chroma_pixels_tab[3]; |
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h264_chroma_mc_func avg_chroma_pixels_tab[3]; |
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/** |
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* Biweight functions, first dimension is transform size (16/8), |
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* second is whether the weight is prescaled by 1/512 to skip |
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* the intermediate shifting. |
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*/ |
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rv40_weight_func rv40_weight_pixels_tab[2][2]; |
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rv34_inv_transform_func rv34_inv_transform; |
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rv34_inv_transform_func rv34_inv_transform_dc; |
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rv34_idct_add_func rv34_idct_add; |
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rv34_idct_dc_add_func rv34_idct_dc_add; |
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rv40_weak_loop_filter_func rv40_weak_loop_filter[2]; |
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rv40_strong_loop_filter_func rv40_strong_loop_filter[2]; |
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rv40_loop_filter_strength_func rv40_loop_filter_strength[2]; |
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} RV34DSPContext; |
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void ff_rv30dsp_init(RV34DSPContext *c); |
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void ff_rv34dsp_init(RV34DSPContext *c); |
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void ff_rv40dsp_init(RV34DSPContext *c); |
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void ff_rv34dsp_init_arm(RV34DSPContext *c); |
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void ff_rv34dsp_init_x86(RV34DSPContext *c); |
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void ff_rv40dsp_init_aarch64(RV34DSPContext *c); |
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void ff_rv40dsp_init_x86(RV34DSPContext *c); |
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void ff_rv40dsp_init_arm(RV34DSPContext *c); |
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#endif /* AVCODEC_RV34DSP_H */
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