PS: This happens when there are B-frames in the h264 stream El vie., 29 sept. 2017 a las 7:10, Sergio Andrés Basurco Mancisidor (< sergi...@coherentsynchro.com>) escribió:
> What I observe is that the NAL units used for a single decoded frame have > different presentation times. In that case I don't know which time to use > for the given frame. > > El vie., 29 sept. 2017 a las 0:19, Ross Finlayson (<finlay...@live555.com>) > escribió: > >> > Indeed I am using Live555 as the RTSP client side, and I'm able to >> connect and receive the NAL units and the sps-pps information from the >> camera. >> > >> > Maybe you're right and my issue is completely on the decoding side, as >> I'm failing to find the timestamp values that will allow me to playback the >> stream. >> > >> > Specifically, I receive a "presentationTimestamp" from Live555 together >> with the NAL unit. I am not certain on how to use it in order to >> synchronize playback. >> >> This “presentationTimestamp” is exactly what you use. It represents the >> (relative) time at which the corresponding NAL unit should be displayed. >> >> Developers who use our software (including you) never need to concern >> themselves with RTP timestamps. (Our software automatically converts RTP >> timestamps to presentation times.) For more information, see >> http://live555.com/liveMedia/faq.html#separate-rtp-streams >> >> >> Ross Finlayson >> Live Networks, Inc. >> http://www.live555.com/ >> >> >> _______________________________________________ >> live-devel mailing list >> live-devel@lists.live555.com >> http://lists.live555.com/mailman/listinfo/live-devel >> >
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