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  1. /*
  2.  * Microsoft Screen 2 (aka Windows Media Video V9 Screen) decoder
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.  * FFmpeg is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * FFmpeg is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with FFmpeg; if not, write to the Free Software
  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19.  */
  20.  
  21. /**
  22.  * @file
  23.  * Microsoft Screen 2 (aka Windows Media Video V9 Screen) decoder DSP routines
  24.  */
  25.  
  26. #ifndef AVCODEC_MSS2DSP_H
  27. #define AVCODEC_MSS2DSP_H
  28.  
  29. #include <stdint.h>
  30.  
  31. typedef struct MSS2DSPContext {
  32.     void (*mss2_blit_wmv9)(uint8_t *dst, int dst_stride,
  33.                            const uint8_t *srcy, int srcy_stride,
  34.                            const uint8_t *srcu, const uint8_t *srcv,
  35.                            int srcuv_stride, int w, int h);
  36.     void (*mss2_blit_wmv9_masked)(uint8_t *dst, int dst_stride,
  37.                                   int maskcolor, const uint8_t *mask,
  38.                                   int mask_stride,
  39.                                   const uint8_t *srcy, int srcy_stride,
  40.                                   const uint8_t *srcu, const uint8_t *srcv,
  41.                                   int srcuv_stride, int w, int h);
  42.     void (*mss2_gray_fill_masked)(uint8_t *dst, int dst_stride,
  43.                                   int maskcolor, const uint8_t *mask,
  44.                                   int mask_stride, int w, int h);
  45.     void (*upsample_plane)(uint8_t *plane, int plane_stride, int w, int h);
  46. } MSS2DSPContext;
  47.  
  48. void ff_mss2dsp_init(MSS2DSPContext *dsp);
  49.  
  50. #endif /* AVCODEC_MSS2DSP_H */
  51.