AV_LOG_DEBUG      164 3rdparty/include/ffmpeg_/libavutil/log.h #define AV_LOG_MAX_OFFSET (AV_LOG_DEBUG - AV_LOG_QUIET)
AV_LOG_DEBUG      206 3rdparty/include/ffmpeg_/libavutil/log.h #    define av_dlog(pctx, ...) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__)
AV_LOG_DEBUG      208 3rdparty/include/ffmpeg_/libavutil/log.h #    define av_dlog(pctx, ...) do { if (0) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__); } while (0)