Created with mp4creator (mpeg4ip) MP4Box -info Sample_V_mpeg2_A_mpeg1Layer2.mp4 * Movie Info * Timescale 1000 - Duration 1 Fragmented File no - 4 tracks File Brand mp42 - version 0 File has root IOD Scene PL 254 - Graphics PL 254 - OD PL 254 - Visual PL 254 - Audio PL 254 inline profiles included no Track # 1 Info - TrackID 2 - TimeScale 1000 - Duration 1000 Track is present in Root OD Media Type "sdsm" - Media Sub Type "MPEG" - 1 samples MPEG-4 Config: SceneDescription Stream - ObjectTypeIndication 2 Self-synchronized Track # 2 Info - TrackID 1 - TimeScale 1000 - Duration 1000 Track is present in Root OD Media Type "odsm" - Media Sub Type "MPEG" - 1 samples MPEG-4 Config: ObjectDescriptor Stream - ObjectTypeIndication 1 Synchronized on stream 2 Track # 3 Info - TrackID 3 - TimeScale 90000 - Duration 2684842 Media Type "soun" - Media Sub Type "MPEG" - 1142 samples MPEG-4 Config: Audio Stream - ObjectTypeIndication 107 MPEG-1 Audio - 2 Channels - SampleRate 44100 - Layer 2 Synchronized on stream 2 Track # 4 Info - TrackID 4 - TimeScale 90000 - Duration 2703600 Media Type "vide" - Media Sub Type "MPEG" - 751 samples MPEG-4 Config: Visual Stream - ObjectTypeIndication 106 Visual Size 320 x 240 Synchronized on stream 2 ### ObjectTypeIndication 107(0x6B) ObjectTypeIndication 106(0x6a) I am not sure if the ObjectTypeIndication is right for mpeg 2 Video but mp4creator (mpeg4ip) did it that way. http://gpac.sourceforge.net/tutorial/mediatypes.htm VLC (8.0-test2): sound stutter xine-lib1rc5: no video mplayer 1pre5: no video Osmo4(GPAC 0.2.1): all fine