Hi,
I'm facing a problem with finding the real start timestamp of a live stream.
I have several streams (http/mp3, http/aac, udp multicast mp3/aac).
For udp streams, i have a slight difference between the "real" start
time of the first packet and the one i compute. For http streams, i
have a difference of 10s (more or less) : the first decoded packet
contains data that have been played/on air 10s before the stream opening
(i listen to the same stream).
I guess that when i open the http stream, the server gives me 10s of the
past, but it's really hard to prove it.
I've tried the start_time_realtime property of AVFormatCtx, but it's
always set to 0 on my streams.
Here is how i initiate the timestamp:
_currentTimestamp =
std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
ret = avformat_open_input(&_iFormatCtx, _filePath, NULL, NULL);
Could someone provide an advice about this?
thanks
Florian
_______________________________________________
libav-api mailing list
[email protected]
https://lists.libav.org/mailman/listinfo/libav-api
