Detect MPEG4/H264 I-Frame (IDR) in RTP stream

Question

I need to detect MPEG4 I-Frame in RTP packet. I know how to remove RTP header and get the MPEG4 frame in it, but I can\'t figure out how to identify the I-Frame.

Doe

Answer 1

This worked for me:
- Figure out the "payload type", for example: Payload type: DynamicRTP-Type-96 (96)
- Tell wireshark which stream is H264: File->preferences->protocols->H264. Enter 96 as payload type.
- Filter on slice_type:"h264.slice_type eq 7"