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Bug 729485 - avfvideosrc: Cannot reconfigure caps
avfvideosrc: Cannot reconfigure caps
Status: RESOLVED FIXED
Product: GStreamer
Classification: Platform
Component: gst-plugins-bad
git master
Other Mac OS
: Normal normal
: 1.7.2
Assigned To: GStreamer Maintainers
GStreamer Maintainers
Depends on:
Blocks:
 
 
Reported: 2014-05-03 22:51 UTC by Robert Swain
Modified: 2016-01-19 21:14 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description Robert Swain 2014-05-03 22:51:16 UTC 
Once avfvideosrc caps are fixated in setCaps, setCaps is not allowed to be called again without taking down the element to stop it from running. A simple test to demonstrate this can be achieved with a pipeline as follows:

avfvideosrc ! capsfilter ! fakesink

And then switch the caps on the caps filter after having the pipeline run for a second or two.

This actually hits an assertion:

ERROR:avfvideosrc.m:585:__30-[GstAVFVideoSrcImpl setCaps:]_block_invoke: assertion failed: (![session isRunning])
Abort trap: 6
Comment 1 Sebastian Dröge (slomo) 2016-01-19 21:14:36 UTC 
This is fixed now, last commit that reenabled it all is:

commit b0f5d4f1d59ded0057ae4f27d8ea530e87c0e88f
Author: Alessandro Decina <alessandro.d@gmail.com>
Date:   Wed Jan 6 16:50:00 2016 +1100

    applemedia: avfvideosrc: enable renegotiation
    
    We can actually renegotiate now, so remove old check which disabled it.