Reverse Playback in V1.0

Sebastian Dröge sebastian at
Wed Feb 19 10:50:28 PST 2014

On Mi, 2014-02-19 at 19:46 +0100, Stefan Sauer wrote:
> Hi,
> On 02/19/2014 04:26 AM, Dave wrote:
> > Dear All,
> >
> > I am trying to reverse playback direction on a playbin with the
> > 'gst_event_new_seek' but this is not working.  Thinking this may be a bug in
> > my software, I tried the updated tutorials (basic-tutorial-13) with the same
> > result.  With the tutorial, pressing 'd' shows 'Current rate: -1' in the
> > terminal window but the pipe freezes.  Subsequent presses of 'd' result in
> > 'Unable to retrieve the current position' messages.  No other key presses
> > will start the pipeline playing again.  This is the case using the webm or
> > local DV or MJPEG files in MOV wrappers.  Is there a new method to reverse
> > playback?
> Did you try the files with
> gst-plugins-base/tests/examples/playback/playback-test 0 <file>
> This will bring up the UI to play with the parameters (incl. reverse
> playback).

Also note that there were many bugfixes for reverse playback between
1.2.2 and 1.2.3. So make sure to try with 1.2.3, it might fix a bug
you're running into.

Sebastian Dröge, Centricular Ltd -
Expertise, Straight from the Source
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