MPEG-4 Audio MPEG-4 Audio AAC LC - 2 Channel(s) - SampleRate 48000Įxtracting individual tracks to raw format: $ MP4Box -raw 1 29c3-5400-en-hacking_cisco_phones_h264.mp4Įxtracting MPEG-4 AVC-H264 stream to h264 MPEG-4 Config: Audio Stream - ObjectTypeIndication 0x40 Media Info: Language 'English' - Type 'soun:mp4a' - 153285 samples Pixel Aspect Ratio 64:45 - Indicated track size 1024 x 576 MPEG-4 Config: Visual Stream - ObjectTypeIndication 0x21ĪVC Info: 1 SPS - 1 PPS - Profile Main Level 3 Visual Track layout: x=0 y=0 width=1024 height=576 Media Info: Language 'Undetermined' - Type 'vide:avc1' - 81752 samples Track # 1 Info - TrackID 1 - TimeScale 25 - Duration 00:54:30.080 Retrieve information about the file (Note: You could also do this with mediainfo): $ MP4Box -info 29c3-5400-en-hacking_cisco_phones_h264.mp4Īlbum: Chaos Communication Congress 2012 (29C3) For other containers like Matroska there are projects and tools like MKVToolNix.

For MP4 I would recommend the MP4Box tool from the gpac package. The best way would be to use a tool that just handles the container.

Ffmpeg extract audio from avi