mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
97 lines
4.4 KiB
C
97 lines
4.4 KiB
C
/*
|
|
* Copyright (C) 2010 David Conrad
|
|
* Copyright (C) 2010 Ronald S. Bultje
|
|
*
|
|
* 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
|
|
* VP8 compatible video decoder
|
|
*/
|
|
|
|
#ifndef AVCODEC_VP8DSP_H
|
|
#define AVCODEC_VP8DSP_H
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
typedef void (*vp8_mc_func)(uint8_t *dst/*align 8*/, ptrdiff_t dstStride,
|
|
uint8_t *src/*align 1*/, ptrdiff_t srcStride,
|
|
int h, int x, int y);
|
|
|
|
typedef struct VP8DSPContext {
|
|
void (*vp8_luma_dc_wht)(int16_t block[4][4][16], int16_t dc[16]);
|
|
void (*vp8_luma_dc_wht_dc)(int16_t block[4][4][16], int16_t dc[16]);
|
|
void (*vp8_idct_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
|
|
void (*vp8_idct_dc_add)(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
|
|
void (*vp8_idct_dc_add4y)(uint8_t *dst, int16_t block[4][16],
|
|
ptrdiff_t stride);
|
|
void (*vp8_idct_dc_add4uv)(uint8_t *dst, int16_t block[4][16],
|
|
ptrdiff_t stride);
|
|
|
|
// loop filter applied to edges between macroblocks
|
|
void (*vp8_v_loop_filter16y)(uint8_t *dst, ptrdiff_t stride,
|
|
int flim_E, int flim_I, int hev_thresh);
|
|
void (*vp8_h_loop_filter16y)(uint8_t *dst, ptrdiff_t stride,
|
|
int flim_E, int flim_I, int hev_thresh);
|
|
void (*vp8_v_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,
|
|
int flim_E, int flim_I, int hev_thresh);
|
|
void (*vp8_h_loop_filter8uv)(uint8_t *dstU, uint8_t *dstV, ptrdiff_t stride,
|
|
int flim_E, int flim_I, int hev_thresh);
|
|
|
|
// loop filter applied to inner macroblock edges
|
|
void (*vp8_v_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride,
|
|
int flim_E, int flim_I, int hev_thresh);
|
|
void (*vp8_h_loop_filter16y_inner)(uint8_t *dst, ptrdiff_t stride,
|
|
int flim_E, int flim_I, int hev_thresh);
|
|
void (*vp8_v_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV,
|
|
ptrdiff_t stride,
|
|
int flim_E, int flim_I, int hev_thresh);
|
|
void (*vp8_h_loop_filter8uv_inner)(uint8_t *dstU, uint8_t *dstV,
|
|
ptrdiff_t stride,
|
|
int flim_E, int flim_I, int hev_thresh);
|
|
|
|
void (*vp8_v_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim);
|
|
void (*vp8_h_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim);
|
|
|
|
/**
|
|
* first dimension: width>>3, height is assumed equal to width
|
|
* second dimension: 0 if no vertical interpolation is needed;
|
|
* 1 4-tap vertical interpolation filter (my & 1)
|
|
* 2 6-tap vertical interpolation filter (!(my & 1))
|
|
* third dimension: same as second dimension, for horizontal interpolation
|
|
* so something like put_vp8_epel_pixels_tab[width>>3][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my)
|
|
*/
|
|
vp8_mc_func put_vp8_epel_pixels_tab[3][3][3];
|
|
vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3];
|
|
} VP8DSPContext;
|
|
|
|
void ff_put_vp8_pixels16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
|
|
int h, int x, int y);
|
|
void ff_put_vp8_pixels8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
|
|
int h, int x, int y);
|
|
void ff_put_vp8_pixels4_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
|
|
int h, int x, int y);
|
|
|
|
void ff_vp8dsp_init(VP8DSPContext *c);
|
|
void ff_vp8dsp_init_x86(VP8DSPContext *c);
|
|
void ff_vp8dsp_init_arm(VP8DSPContext *c);
|
|
void ff_vp8dsp_init_ppc(VP8DSPContext *c);
|
|
|
|
#endif /* AVCODEC_VP8DSP_H */
|