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79 lines
3.6 KiB
79 lines
3.6 KiB
/* |
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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 struct VC1DSPContext { |
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/* vc1 functions */ |
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void (*vc1_inv_trans_8x8)(DCTELEM *b); |
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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_s_overlap)(DCTELEM *top, DCTELEM *bottom); |
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void (*vc1_h_s_overlap)(DCTELEM *left, DCTELEM *right); |
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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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/* Windows Media Image functions */ |
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void (*sprite_h)(uint8_t *dst, const uint8_t *src, int offset, int advance, int count); |
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void (*sprite_v_single)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset, int width); |
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void (*sprite_v_double_noscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width); |
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void (*sprite_v_double_onescale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1, |
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const uint8_t *src2a, int alpha, int width); |
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void (*sprite_v_double_twoscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1, |
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const uint8_t *src2a, const uint8_t *src2b, int offset2, |
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int alpha, int width); |
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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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