Tanu Kaskinen <tanuk <at> iki.fi> writes: > > On Thu, 2012-03-15 at 21:43 +0000, James Lee wrote: > > Tanu Kaskinen <tanuk <at> iki.fi> writes: > > > Regardless of any delays due to the underruns, Pulseaudio will report > > > the current latency to the client, and that latency information should > > > be used to synchronize the video playback with audio. If things get > > > permanently out-of-sync, then either the video player isn't using this > > > information properly, or the alsa driver is acting funny, leading to > > > incorrect latency information. > > > > Any other thoughts on this? If there's any other info I can provide, please let > > me know. Thanks. > > Well, how do you do the a-v sync? Do you actively monitor the audio > latency, or do you check it only at the beginning of the stream, or do > you ignore it altogether? > A/V sync is handled in the decoders based on the current PCR and PTS values for each audio/video frame. Our concern is audio latency through pulse, not A/V synchronization. The latency jumps right after the gap.
