[Live-devel] Capturing H.264 content with openRTSP

[David Arnold]

We need to capture streaming H.264 content with openRTSP.  In this case, we
are using openRTSP as a recorder.

The problem is that there is no way to distinguish NAL units in the saved
file (video-H264-1) created by openRTSP. VLC cannot play this file.  The
file is basically unusable.  The byte stream format prefix (0 0 0 1) as
described in annex B of ISO 14496-10 has been removed by our H.264
DeviceSource and openRTSP simply captures raw NAL units and saves them.

Do I need to write a H264FileSink class to reinsert the byte stream format
prefix as described in annex B of ISO 14496-10 and use this class in
playCommon.cpp or is our DeviceSource class doing something incorrectly?

Ideally, we would like to capture the media in a QuickTime container file,
but the QuickTimeFileSink does not currently support H.264 content.  What
would I need to do to QuickTimeFileSink so that QuickTime would be able to
play the container file correctly?

Your suggestions are greatly appreciated.

Thank you,

Dave Arnold
Future Concepts, La Verne

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