[Live-devel] openRTSP-captured mp4 broken

Michael.Scholz at dlr.de Michael.Scholz at dlr.de
Thu Apr 11 02:14:38 PDT 2013


Ross wrote:
> Michi wrote:
>> Am I correct to think that openRTSP should transcode the raw streams correctly using the -4 option?
>
> In principle, yes (except that our code doesn't do any "transcoding"; it just records already-encoded data).  However, this is difficult to do well, because the ".mp4" file format is ill-suited for what we are trying to do here: Record a file that properly represents incoming audio and video frames that are time-stamped.  But undoubtedly this is one part of our code that could be improved.

The result should be one file containing video and audio.
If mp4 is an ill-suited format, what else would you recommend? Other file format or different workflow? Better to record the video- and audio-session separately and merge afterwards?

Michi



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