As long as the original encoder captured things in sync, nothing more is needed.
Chris > Is there anything special the encoder has to do to make sure the post > processor can sync the audio and video or is the information in the > respective codecs(H.264, AAC) enough for the processor to sync the > two? > > On Wed, Apr 11, 2012 at 3:03 AM, Ruediger Rolf > <[email protected]>wrote: > > > From my point of view Chris answer was right. If we talk about a > > single stream video the CA may capture it as one or two files > > depending on your capture hardware. If you have two files > > Matterhorn muxs the audio and video files together into a single > > file (prepare-av operation). The engage side simply plays one file > > that includes audio and video. > > > > If we have multistream recordings the audio that was recorded will > > be muxed to every video track in the prepare-av workflow operation. > > The engage player plays the left video in the display with audio > > and the audio of the right video is ignored (this behaviour may be > > changed in an upcoming release). > > > > I hope that answers your question? > > > > Rüdiger > > > > > > > > Am 11.04.2012 04:40, schrieb Greg Logan: > > > > On 4/10/2012 2:12 PM, Christopher Brooks wrote: > >> > >>> The capture agent captures audio and video in sync, and they are > >>> muxed into a single file in the encode step of the workflow. > >>> > >> Nope, not quite. The capture agent captures audio and video in > >> sync, but the output to the engage player is actually N files (N > >> being, most commonly, two). I'll have to let one of the engage > >> developers answer this, but I wanted to clarify that Chris is > >> incorrect. > >> > >> G > >> > >> Chris > >>> -----Original Message----- > >>> From: Shane Phelan<[email protected]> > >>> Sender: > >>> matterhorn-users-bounces@**opencastproject.org<[email protected]> > >>> Date: Tue, 10 Apr 2012 15:50:40 To: Matterhorn > >>> Users<matterhorn-users@**opencastproject.org<[email protected]> > >>> > > >>> Reply-to: Matterhorn > >>> Users<matterhorn-users@**opencastproject.org<[email protected]> > >>> > > >>> Subject: [Matterhorn-users] Audio Video Sync > >>> > >>> ______________________________**_________________ > >>> Matterhorn-users mailing list > >>> Matterhorn-users@**opencastproject.org<[email protected]> > >>> http://lists.opencastproject.**org/mailman/listinfo/**matterhorn-users<http://lists.opencastproject.org/mailman/listinfo/matterhorn-users> > >>> > >>> > >>> ______________________________**_________________ > >>> Matterhorn-users mailing list > >>> Matterhorn-users@**opencastproject.org<[email protected]> > >>> http://lists.opencastproject.**org/mailman/listinfo/**matterhorn-users<http://lists.opencastproject.org/mailman/listinfo/matterhorn-users> > >>> > >> ______________________________**_________________ > >> Matterhorn-users mailing list > >> Matterhorn-users@**opencastproject.org<[email protected]> > >> http://lists.opencastproject.**org/mailman/listinfo/**matterhorn-users<http://lists.opencastproject.org/mailman/listinfo/matterhorn-users> > >> > > > > > > -- > > > > ______________________________**__________________ > > Rüdiger Rolf, M.A. > > Universität Osnabrück - Zentrum virtUOS > > Heger-Tor-Wall 12, 49069 Osnabrück > > Telefon: (0541) 969-6511 - Fax: (0541) 969-16511 > > E-Mail: [email protected] > > Internet: www.virtuos.uni-osnabrueck.de > > > > > > ______________________________**_________________ > > Matterhorn-users mailing list > > Matterhorn-users@**opencastproject.org<[email protected]> > > http://lists.opencastproject.**org/mailman/listinfo/**matterhorn-users<http://lists.opencastproject.org/mailman/listinfo/matterhorn-users> > > -- Christopher Brooks, BSc, MSc ARIES Laboratory, University of Saskatchewan Web: http://www.cs.usask.ca/~cab938 Phone: 1.306.966.1442 Mail: Advanced Research in Intelligent Educational Systems Laboratory Department of Computer Science University of Saskatchewan 176 Thorvaldson Building 110 Science Place Saskatoon, SK S7N 5C9 _______________________________________________ Matterhorn-users mailing list [email protected] http://lists.opencastproject.org/mailman/listinfo/matterhorn-users
