Le vendredi 31 mai 2019 à 12:07 -0400, Sven Van Asbroeck a écrit : > Hello Nicholas, thank you so much for investigating. > > On Fri, May 31, 2019 at 11:34 AM Nicolas Dufresne <nicolas@xxxxxxxxxxxx> wrote: > > Now, if that pipeline was live, this would be a problem. > > This is where my gstreamer knowledge gets really hazy. > What does it mean for a pipeline to be 'live' ? > Would this be a problem when playing a 1080p30 h264 > video from a file? Playback from file is not live. That basically means that the input of your pipeline is not paced. You can read it as fast as you can, and you don't have a limited amount of time to deal with it. An example live pipeline would be: v4l2src ! v4l2h264enc ! rtph264pay ! udpsink In this case, if v4l2h264 has too much latency, or is too slow, the capture driver will start skipping captures, loosing information. The latency is mostly for the case you have multiple streams though (e.g. audio and video). Nicolas
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