@gubu, thanks for the link to the sync video, it is great to see the delay between audio and video. To rule out gstreamer of the equation, I have tried to transcode the video by doing:
gst-launch-1.0 filesrc location=Videos/sync-test.mp4 ! decodebin name=demux demux. ! queue ! audioconvert ! lamemp3enc ! mux. qtmux name=mux ! filesink location=recode.mp4 demux. ! queue ! videoconvert ! x264enc ! mux. The resulting file has correct synchronization, so all points to pulseaudio or android drivers to be the culprit here. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1574729 Title: Audio/Video not in sync on M10/frieza Status in The Avila project: In Progress Status in Canonical System Image: In Progress Status in frieza: In Progress Status in media-hub package in Ubuntu: Invalid Status in pulseaudio package in Ubuntu: In Progress Bug description: Watching a video (either with the media player or the browser) shows a lag between audio and video. It's out of sync for some hundred milliseconds, just enough to be very annoying while watching the video. To manage notifications about this bug go to: https://bugs.launchpad.net/avila/+bug/1574729/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp