mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
84 lines
3.8 KiB
84 lines
3.8 KiB
/* |
|
* VC-1 and WMV3 decoder - DSP functions |
|
* Copyright (c) 2006 Konstantin Shishkov |
|
* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg 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. |
|
* |
|
* FFmpeg 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 FFmpeg; 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" |
|
#include "hpeldsp.h" |
|
#include "h264chroma.h" |
|
|
|
typedef void (*vc1op_pixels_func)(uint8_t *block/*align width (8 or 16)*/, const uint8_t *pixels/*align 1*/, ptrdiff_t line_size, int h); |
|
|
|
typedef struct VC1DSPContext { |
|
/* vc1 functions */ |
|
void (*vc1_inv_trans_8x8)(int16_t *b); |
|
void (*vc1_inv_trans_8x4)(uint8_t *dest, int line_size, int16_t *block); |
|
void (*vc1_inv_trans_4x8)(uint8_t *dest, int line_size, int16_t *block); |
|
void (*vc1_inv_trans_4x4)(uint8_t *dest, int line_size, int16_t *block); |
|
void (*vc1_inv_trans_8x8_dc)(uint8_t *dest, int line_size, int16_t *block); |
|
void (*vc1_inv_trans_8x4_dc)(uint8_t *dest, int line_size, int16_t *block); |
|
void (*vc1_inv_trans_4x8_dc)(uint8_t *dest, int line_size, int16_t *block); |
|
void (*vc1_inv_trans_4x4_dc)(uint8_t *dest, int line_size, int16_t *block); |
|
void (*vc1_v_overlap)(uint8_t *src, int stride); |
|
void (*vc1_h_overlap)(uint8_t *src, int stride); |
|
void (*vc1_v_s_overlap)(int16_t *top, int16_t *bottom); |
|
void (*vc1_h_s_overlap)(int16_t *left, int16_t *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 |
|
*/ |
|
vc1op_pixels_func put_vc1_mspel_pixels_tab[16]; |
|
vc1op_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_arm(VC1DSPContext* dsp); |
|
void ff_vc1dsp_init_ppc(VC1DSPContext *c); |
|
void ff_vc1dsp_init_x86(VC1DSPContext* dsp); |
|
|
|
#endif /* AVCODEC_VC1DSP_H */
|
|
|