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https://github.com/FFmpeg/FFmpeg.git
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6a786b15c3
Merging these functions allows merging some loops, which makes the
results (particularly after SIMD optimizations) much faster.
(cherry picked from commit f8bed30d8b)
72 lines
2.8 KiB
C
72 lines
2.8 KiB
C
/*
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* VC-1 and WMV3 decoder - DSP functions
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* Copyright (c) 2006 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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* VC-1 and WMV3 decoder
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*
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*/
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#ifndef AVCODEC_VC1DSP_H
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#define AVCODEC_VC1DSP_H
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#include "dsputil.h"
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typedef void (*vc1_idct_func)(uint8_t *dest, int line_size, DCTELEM *block);
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typedef struct VC1DSPContext {
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/* vc1 functions */
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vc1_idct_func vc1_inv_trans_8x8_add;
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vc1_idct_func vc1_inv_trans_8x8_put_signed[2];
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vc1_idct_func vc1_inv_trans_8x8_put[2];
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void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, DCTELEM *block);
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void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, DCTELEM *block);
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void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, DCTELEM *block);
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void (*vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, DCTELEM *block);
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void (*vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, DCTELEM *block);
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void (*vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, DCTELEM *block);
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void (*vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, DCTELEM *block);
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void (*vc1_v_overlap)(uint8_t* src, int stride);
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void (*vc1_h_overlap)(uint8_t* src, int stride);
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void (*vc1_v_loop_filter4)(uint8_t *src, int stride, int pq);
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void (*vc1_h_loop_filter4)(uint8_t *src, int stride, int pq);
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void (*vc1_v_loop_filter8)(uint8_t *src, int stride, int pq);
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void (*vc1_h_loop_filter8)(uint8_t *src, int stride, int pq);
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void (*vc1_v_loop_filter16)(uint8_t *src, int stride, int pq);
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void (*vc1_h_loop_filter16)(uint8_t *src, int stride, int pq);
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/* put 8x8 block with bicubic interpolation and quarterpel precision
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* last argument is actually round value instead of height
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*/
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op_pixels_func put_vc1_mspel_pixels_tab[16];
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op_pixels_func avg_vc1_mspel_pixels_tab[16];
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/* This is really one func used in VC-1 decoding */
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h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3];
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h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3];
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} VC1DSPContext;
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void ff_vc1dsp_init(VC1DSPContext* c);
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void ff_vc1dsp_init_altivec(VC1DSPContext* c);
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void ff_vc1dsp_init_mmx(VC1DSPContext* dsp);
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#endif /* AVCODEC_VC1DSP_H */
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