#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)));
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 */