copy.h

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00001 /*****************************************************************************
00002  * copy.h: Fast YV12/NV12 copy
00003  *****************************************************************************
00004  * Copyright (C) 2009 Laurent Aimar
00005  * $Id: 93d246af5a131ea004a20b0afac782d955ea74b5 $
00006  *
00007  * Authors: Laurent Aimar <fenrir_AT_ videolan _DOT_ org>
00008  *
00009  * This program is free software; you can redistribute it and/or modify
00010  * it under the terms of the GNU General Public License as published by
00011  * the Free Software Foundation; either version 2 of the License, or
00012  * (at your option) any later version.
00013  *
00014  * This program is distributed in the hope that it will be useful,
00015  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00016  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017  * GNU General Public License for more details.
00018  *
00019  * You should have received a copy of the GNU General Public License
00020  * along with this program; if not, write to the Free Software
00021  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
00022  *****************************************************************************/
00023 
00024 #ifndef _VLC_AVCODEC_COPY_H
00025 #define _VLC_AVCODEC_COPY_H 1
00026 
00027 typedef struct {
00028     void    *base;
00029     uint8_t *buffer;
00030     size_t  size;
00031 } copy_cache_t;
00032 
00033 int  CopyInitCache(copy_cache_t *cache, unsigned width);
00034 void CopyCleanCache(copy_cache_t *cache);
00035 
00036 void CopyFromNv12(picture_t *dst, uint8_t *src[2], size_t src_pitch[2],
00037                   unsigned width, unsigned height,
00038                   copy_cache_t *cache);
00039 void CopyFromYv12(picture_t *dst, uint8_t *src[3], size_t src_pitch[3],
00040                   unsigned width, unsigned height,
00041                   copy_cache_t *cache);
00042 
00043 #endif
00044 

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