[FFmpeg-user] Synchronizing RTSP signals with FFMPEG

[Miguel Titos]

Thanks, Carl.

It seems you are right :(

The exact model of camera is Ezviz mini O (Hikvision, CS-CV206) https://ezviz.eu/mini-o/

Do you know any similar cam that sends “RTCP sender request" packets?

Thanks again for your help.

> El 27 abr 2018, a las 0:39, Carl Eugen Hoyos <ceffmpeg at gmail.com> escribió:
> 
> 2018-04-26 21:56 GMT+02:00, Miguel Titos <mtitos at verparacreer.net>:
> 
>> ffmpeg version 3.4.2 Copyright (c) 2000-2018 the FFmpeg developers
> 
> Old and unsupported.
> 
>> Input #0, rtsp, from 'rtsp://XXXX':
>>  Metadata:
>>    title           : Media Presentation
>>  Duration: N/A, start: 0.000000, bitrate: N/A
> 
>> Input #1, rtsp, from 'rtsp://XXXX':
>>  Metadata:
>>    title           : Media Presentation
>>  Duration: N/A, start: 0.000000, bitrate: N/A
> 
> I don't think it is possible to synchronize two inputs that provide
> no wallclock timestamps.
> Feel free to test -use_wallclock_as_timestamps but I suspect
> because of the network delay that this has to be done at the
> sender.
> 
> (Not claiming there is no FFmpeg issue here.)
> 
> Carl Eugen
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