[gst-devel] Directshow sync issues

praveen pandey praveen.pande1 at gmail.com
Sat Jan 15 11:41:14 CET 2011


are you able to play video alone?

BR,
Praveen Pandey

On Sat, Jan 15, 2011 at 8:50 AM, KEVIN WEST <keevon at gmail.com> wrote:

> I am running into a strange issue with a few videos and dshowdecwrapper.
>  Basically I will transcode the video, but the output is all wrong.  If you
> open the video, it will show the first frame while playing the entire audio
> stream, and finally it will play the video stream once it hits the end of
> the audio.  I thought there may be some synchronization issues since dshow
> may not be using the same clock as gstreamer, so I implemented an
> IReferenceClock that calls into the gstreamer clock, however this doesn't
> seem to be fixing the issue.
>
> For reference, here is my current pipeline:
>
> gst-launch.exe -v --seek=0 uridecodebin name=dec uri="test.wmv" dec. !
> videoscale ! videorate ! video/x-raw-yuv, width=320, height=240,
> framerate=24000/1001 ! ffmpegcolorspace ! x264enc ! queue2 max-size-bytes=0
> max-size-time=0 max-size-buffers=0 ! mux. dec. ! audioconvert !
> audioresample ! audio/x-raw-int, rate=44100, channels=2 ! faac
> bitrate=128000 ! queue2 max-size-bytes=0 max-size-time=0 max-size-buffers=0
> ! mux. flvmux name=mux ! filesink location="output.flv"
>
> Any ideas what might be going on?
>
> ------------------------------------------------------------------------------
> Protect Your Site and Customers from Malware Attacks
> Learn about various malware tactics and how to avoid them. Understand
> malware threats, the impact they can have on your business, and how you
> can protect your company and customers by using code signing.
> http://p.sf.net/sfu/oracle-sfdevnl
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/gstreamer-devel/attachments/20110115/408c7a0c/attachment.htm>


More information about the gstreamer-devel mailing list