modules/codec/avcodec/copy.h

   1 /*****************************************************************************
   2  * copy.h: Fast YV12/NV12 copy
   3  *****************************************************************************
   4  * Copyright (C) 2009 Laurent Aimar
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir_AT_ videolan _DOT_ org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #ifndef _VLC_AVCODEC_COPY_H
  25 #define _VLC_AVCODEC_COPY_H 1
  26
  27 typedef struct {
  28     void    *base;
  29     uint8_t *buffer;
  30     size_t  size;
  31 } copy_cache_t;
  32
  33 int  CopyInitCache(copy_cache_t *cache, unsigned width);
  34 void CopyCleanCache(copy_cache_t *cache);
  35
  36 void CopyFromNv12(picture_t *dst, uint8_t *src[2], size_t src_pitch[2],
  37                   unsigned width, unsigned height,
  38                   copy_cache_t *cache);
  39 void CopyFromYv12(picture_t *dst, uint8_t *src[3], size_t src_pitch[3],
  40                   unsigned width, unsigned height,
  41                   copy_cache_t *cache);
  42
  43 #endif
  44