[gst-devel] seeking with audio and video doesn't work

Thomas Holzmann holzi1 at gmx.at
Fri Aug 24 11:33:36 CEST 2007


Only with the search flag GST_SEEK_FLAG_KEY_UNIT my application doesn't 
freeze completely any more. It only freezes a few seconds and then 
continues playing but on the same position the video was before seeking 
and not on the Position I wanted to seek to.

And once again, does soeone has a hint for me?


Thomas Holzmann wrote:
> Hello,
> I've created a pipeline to get audio and video of a video file into my 
> application with appsink. First I only focused on video and seeking 
> worked fine. But now I've also added audio elements to get also audio in 
> my application and since then seeking doesn't work any more. My 
> application freezes if I try to seek.
> Playing works ok, although audio becomes too late if I play some time...
> The pipeline looks something like this:
> uridecodebin uri=file:///dummy/uri/dummy.avi name=decode decode. ! 
> videorate ! ffmpegcolorspace ! appsink decode. ! audioconvert ! 
> audioresample ! appsink
> And I'm seeking with this command:
> gst_element_seek_simple( file_decode_, GST_FORMAT_TIME,
> I've also tried it with other seek flags but with no success.
> Does maybe someone has an advice for me?
> Thanks.
> Thomas
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