[Libav-user] H264 decoding problem

Arash Cordi arash.cordi at gmail.com
Thu Sep 6 09:41:09 CEST 2012

> 2012-08-19 10:21:55.008 RTPlayer[333:12f03] Unknown NAL code: 28 (2350
> bits)

NAL Unit 28 is a fragment unit (FU-A) you need to defragment NAL units
before sending then to ffmpeg

PPS and SPS frames are sent in a NAL Unit 24 (STAP-A) at the start of
check this link for a complete description for defragmenting NAL Units :


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