AV_LOG_QUIET      198 extra_lib/include/ffmpeg_android/libavutil/log.h #define AV_LOG_MAX_OFFSET (AV_LOG_DEBUG - AV_LOG_QUIET)
AV_LOG_QUIET      182 extra_lib/include/libavutil/log.h #define AV_LOG_MAX_OFFSET (AV_LOG_DEBUG - AV_LOG_QUIET)