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  • #299

Closed
Open
Opened Jun 26, 2018 by Bugzilla Migration User@bugzilla-migration

Supporting GLMemory in playbin

Submitted by Snir Sheriber @snir

Link to original bug (#796680)

Description

Hi,

When the only available decoder for playbin is a decoder that uses GLMemory, playbin fails to build the pipeline if its sink does not support GlMemory (complains about missing components)

for example:

Assuming the only available h264\h265\vp8... decoder is nvdec (its src pad supports only GLMemory)

Trying:
"gst-launch-1.0 playbin uri=file:///path/to/h264/file video-sink=ximagesink"
will fail (although building it manually could work)

while trying:
"gst-launch-1.0 playbin uri=file:///path/to/h264/file (video-sink=glimagesink)"
will work.

I may be wrong with addressing this issue (opened it under gstreamer core) but seems to me its the lack of GLMemory support in playsink (cannot download/upload from gl input) is this a missing feature? bug? expected behavior?

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Reference: gstreamer/gstreamer#299