/* * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> * * 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 */ #ifndef LOG_H #define LOG_H #include <stdarg.h> /** * Used by av_log */ typedef struct AVCLASS AVClass; struct AVCLASS { const char* class_name; const char* (*item_name)(void*); /* actually passing a pointer to an AVCodecContext or AVFormatContext, which begin with an AVClass. Needed because av_log is in libavcodec and has no visibility of AVIn/OutputFormat */ const struct AVOption *option; }; /* av_log API */ #define AV_LOG_QUIET -1 #define AV_LOG_ERROR 0 #define AV_LOG_INFO 1 #define AV_LOG_DEBUG 2 extern int av_log_level; #ifdef __GNUC__ extern void av_log(void*, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4))); #else extern void av_log(void*, int level, const char *fmt, ...); #endif #if LIBAVUTIL_VERSION_INT < (50<<16) extern void av_vlog(void*, int level, const char *fmt, va_list); extern int av_log_get_level(void); extern void av_log_set_level(int); extern void av_log_set_callback(void (*)(void*, int, const char*, va_list)); extern void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl); #else extern void (*av_vlog)(void*, int, const char*, va_list); #endif #endif /* LOG_H */