AVFMT_TS_NONSTRICT  435 libavformat/avformat.h #define AVFMT_TS_NONSTRICT 0x8020000 //we try to be compatible to the ABIs of ffmpeg and major forks
AVFMT_TS_NONSTRICT  437 libavformat/avformat.h #define AVFMT_TS_NONSTRICT 0x20000