I mean, I used "muxing.c" to generate the OGG file.That means both audio and video stream should have the same length,isnt it ?
On Thu, Apr 12, 2012 at 3:31 PM, Gagandeep Bawa <[email protected] > wrote: > You have to check your video frame rate. I worked on IPhone recorded > videos files and it varies between 15 to 30. > > > On Thu, Apr 12, 2012 at 11:58 AM, ashika umanga > <[email protected]>wrote: > >> When I encode an OGG file with Theora+Speex , my video length is longer >> than the audio playback. >> Anytips on this ? >> >> On Thu, Apr 12, 2012 at 2:51 PM, Gagandeep Bawa < >> [email protected]> wrote: >> >>> Hi, >>> >>> These PTS and DTS used for sync between audio and video data while >>> encoding and presentation. Check below link for more details. >>> >>> *http://dranger.com/ffmpeg/tutorial05.html* >>> >>> Thanks, >>> Gagan >>> >>> On Thu, Apr 12, 2012 at 11:14 AM, ashika umanga <[email protected] >>> > wrote: >>> >>>> Greetings all, >>>> >>>> I am writing a wrapper class for video/audio encoding by following the >>>> "muxing.c". >>>> http://ffmpeg.org/doxygen/trunk/muxing_8c-source.html >>>> >>>> I see in the example that before writing frames to the file ,is checks >>>> whether the PTS value of audiostream is >>>> lesser than that of videostream. >>>> >>>> code snippet: >>>> >>>> if (!video_st || (video_st && audio_st && audio_pts < video_pts)) { >>>> write_audio_frame(oc, audio_st); >>>> } else { >>>> write_video_frame(oc, video_st); >>>> picture->pts++; >>>> } >>>> >>>> Can someone explain why this test is done? Whats the connection between >>>> PTS values ? >>>> >>>> >>>> >>>> _______________________________________________ >>>> Libav-user mailing list >>>> [email protected] >>>> http://ffmpeg.org/mailman/listinfo/libav-user >>>> >>>> >>> >>> >>> _______________________________________________ >>> Libav-user mailing list >>> [email protected] >>> http://ffmpeg.org/mailman/listinfo/libav-user >>> >>> >> >> _______________________________________________ >> Libav-user mailing list >> [email protected] >> http://ffmpeg.org/mailman/listinfo/libav-user >> >> > > > -- > > Thanks & Regards, > Gagandeep, Tech Lead Mobility > > +91- 7307470044 > > > ------------------------------------------------------------------------------- > > Ironroad IT India Pvt. Ltd. > > IT-6, C-6,SEBIZ SQUARE, Sector-67, Mohali, Punjab, India > > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > >
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