[FFmpeg-user] Synchronizing RTSP signals with FFMPEG

Carl Eugen Hoyos ceffmpeg at gmail.com
Fri Apr 27 01:39:24 EEST 2018


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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