aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* Microsoft Screen 2 (aka Windows Media Video V9 Screen) decoder
*
* 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
* Microsoft Screen 2 (aka Windows Media Video V9 Screen) decoder DSP routines
*/
#ifndef AVCODEC_MSS2DSP_H
#define AVCODEC_MSS2DSP_H
#include <stddef.h>
#include <stdint.h>
typedef struct MSS2DSPContext {
void (*mss2_blit_wmv9)(uint8_t *dst, ptrdiff_t dst_stride,
const uint8_t *srcy, ptrdiff_t srcy_stride,
const uint8_t *srcu, const uint8_t *srcv,
ptrdiff_t srcuv_stride, int w, int h);
void (*mss2_blit_wmv9_masked)(uint8_t *dst, ptrdiff_t dst_stride,
int maskcolor, const uint8_t *mask,
ptrdiff_t mask_stride,
const uint8_t *srcy, ptrdiff_t srcy_stride,
const uint8_t *srcu, const uint8_t *srcv,
ptrdiff_t srcuv_stride, int w, int h);
void (*mss2_gray_fill_masked)(uint8_t *dst, ptrdiff_t dst_stride,
int maskcolor, const uint8_t *mask,
ptrdiff_t mask_stride, int w, int h);
void (*upsample_plane)(uint8_t *plane, ptrdiff_t plane_stride,
int w, int h);
} MSS2DSPContext;
void ff_mss2dsp_init(MSS2DSPContext *dsp);
#endif /* AVCODEC_MSS2DSP_H */
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