[Live-devel] Live555 RTSP server ---- libav packet->pts always 0

[Franco Miceli]

Thanks Ross.

2016-03-10 13:55 GMT-03:00 Ross Finlayson <finlayson at live555.com>:
>> I have implemented a live streamer based on live555 and am using a
>> receiver based on libav.
>>
>> The live stream is received and played back correctly.
>>
>> My issue is that, although I set a time value to the presentation time
>> (fPresentationTime) in live555, the pts of the packet is always 0 when
>> I receive the packet with av_read_frame.
>>
>> Should I be setting fPresentationTime in some particuar way (using
>> getTimeOfDay now)?
>> Is there any way I can test this with the openRTSP player?
>
> Yes, of course.  The “openRTSP” demo application (a RTSP client) explicitly outputs the ‘presentation time’ for each received frame of data.  Just run it.
>
> IMHO, you should not be using ‘libav’ or ‘ffmpeg’ to implement RTSP/RTP/RTCP (for either servers or clients).  Although these libraries apparently do contain an implementation of these protocols, it is incomplete and buggy (as you have discovered).  Instead, I suggest using our “LIVE555 Streaming Media” code - whose RTSP/RTP/RTCP implementation is far more developed.
>
> In any case, this mailing list is specifically for discussion of the "LIVE555 Streaming Media” software, so discussion of other libraries’ RTSP/RTP/RTCP implementation is off-topic here.
>
>
> Ross Finlayson
> Live Networks, Inc.
> http://www.live555.com/
>
>
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-- 
Eng. Franco Miceli