I have a file that only contains the mdat atom in a MP4 container. The data in the mdat contains AVC data. I know the encoding parameters for the data. The format does not appea
I found what michael was talking about defined in section 5.2.3 of ISO 14496-15.
Sebastian's answer refers to section 5.2.4.1.1 and 5.3.4.1.2.
You will not be able to parse the slices in the 'mdat' box without copies of the SPS and PPS from the 'avcC' box (defined in section 5.2.4.1.1)