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#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 */
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));
#else
extern void (*av_vlog)(void*, int, const char*, va_list);
#endif
#endif /* LOG_H */
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