mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-26 19:01:44 +02:00
80 lines
3.6 KiB
C
80 lines
3.6 KiB
C
/*
|
|
* VC-1 and WMV3 decoder - DSP functions
|
|
* Copyright (c) 2006 Konstantin Shishkov
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* Libav is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* VC-1 and WMV3 decoder
|
|
*
|
|
*/
|
|
|
|
#ifndef AVCODEC_VC1DSP_H
|
|
#define AVCODEC_VC1DSP_H
|
|
|
|
#include "dsputil.h"
|
|
|
|
typedef struct VC1DSPContext {
|
|
/* vc1 functions */
|
|
void (*vc1_inv_trans_8x8)(DCTELEM *b);
|
|
void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, DCTELEM *block);
|
|
void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, DCTELEM *block);
|
|
void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, DCTELEM *block);
|
|
void (*vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, DCTELEM *block);
|
|
void (*vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, DCTELEM *block);
|
|
void (*vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, DCTELEM *block);
|
|
void (*vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, DCTELEM *block);
|
|
void (*vc1_v_overlap)(uint8_t *src, int stride);
|
|
void (*vc1_h_overlap)(uint8_t *src, int stride);
|
|
void (*vc1_v_s_overlap)(DCTELEM *top, DCTELEM *bottom);
|
|
void (*vc1_h_s_overlap)(DCTELEM *left, DCTELEM *right);
|
|
void (*vc1_v_loop_filter4)(uint8_t *src, int stride, int pq);
|
|
void (*vc1_h_loop_filter4)(uint8_t *src, int stride, int pq);
|
|
void (*vc1_v_loop_filter8)(uint8_t *src, int stride, int pq);
|
|
void (*vc1_h_loop_filter8)(uint8_t *src, int stride, int pq);
|
|
void (*vc1_v_loop_filter16)(uint8_t *src, int stride, int pq);
|
|
void (*vc1_h_loop_filter16)(uint8_t *src, int stride, int pq);
|
|
|
|
/* put 8x8 block with bicubic interpolation and quarterpel precision
|
|
* last argument is actually round value instead of height
|
|
*/
|
|
op_pixels_func put_vc1_mspel_pixels_tab[16];
|
|
op_pixels_func avg_vc1_mspel_pixels_tab[16];
|
|
|
|
/* This is really one func used in VC-1 decoding */
|
|
h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3];
|
|
h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3];
|
|
|
|
/* Windows Media Image functions */
|
|
void (*sprite_h)(uint8_t *dst, const uint8_t *src, int offset, int advance, int count);
|
|
void (*sprite_v_single)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset, int width);
|
|
void (*sprite_v_double_noscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width);
|
|
void (*sprite_v_double_onescale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
|
|
const uint8_t *src2a, int alpha, int width);
|
|
void (*sprite_v_double_twoscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
|
|
const uint8_t *src2a, const uint8_t *src2b, int offset2,
|
|
int alpha, int width);
|
|
} VC1DSPContext;
|
|
|
|
void ff_vc1dsp_init(VC1DSPContext* c);
|
|
void ff_vc1dsp_init_altivec(VC1DSPContext* c);
|
|
void ff_vc1dsp_init_mmx(VC1DSPContext* dsp);
|
|
|
|
#endif /* AVCODEC_VC1DSP_H */
|