avutil.h
资源名称:vlc-1.0.5.zip [点击查看]
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上传日期:2020-07-06
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文件大小:2k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * avutil.h: avutil helper functions
- *****************************************************************************
- * Copyright (C) 1999-2008 the VideoLAN team
- * $Id: 48a5222b26eda3891569f84326f5cdc0a01623c3 $
- *
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
- * Gildas Bazin <gbazin@videolan.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Export libavutil messages to the VLC message system
- *****************************************************************************/
- static inline void LibavutilCallback( void *p_opaque, int i_level,
- const char *psz_format, va_list va )
- {
- AVCodecContext *p_avctx = (AVCodecContext *)p_opaque;
- const AVClass *p_avc;
- p_avc = p_avctx ? p_avctx->av_class : 0;
- #define cln p_avc->class_name
- /* Make sure we can get p_this back */
- if( !p_avctx || !p_avc || !cln ||
- cln[0]!='A' || cln[1]!='V' || cln[2]!='C' || cln[3]!='o' ||
- cln[4]!='d' || cln[5]!='e' || cln[6]!='c' )
- {
- if( i_level == AV_LOG_ERROR ) vfprintf( stderr, psz_format, va );
- return;
- }
- #undef cln
- switch( i_level )
- {
- case AV_LOG_DEBUG:
- case AV_LOG_INFO:
- /* Print debug messages if they were requested */
- if( !p_avctx->debug )
- break;
- case AV_LOG_ERROR:
- case AV_LOG_QUIET:
- vfprintf( stderr, psz_format, va );
- break;
- }
- }