[Bug 782778] h264parse: Alignment of input caps no longer set to a default value

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Thu Jun 29 19:01:10 UTC 2017


https://bugzilla.gnome.org/show_bug.cgi?id=782778

Nicolas Dufresne (stormer) <nicolas at ndufresne.ca> changed:

           What    |Removed                     |Added
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                 CC|                            |nicolas at ndufresne.ca

--- Comment #3 from Nicolas Dufresne (stormer) <nicolas at ndufresne.ca> ---
The reported bug here isn't clear. I have put some H264 bytestream into a file.
If I run that, without filter:

  gst-launch-1.0 -v filesrc location=test.h264 ! h264parse ! fakesink

I get AVC/au. If I add a capsfilter like this:

  gst-launch-1.0 -v filesrc location=test.h264 ! h264parse !
video/x-h264,stream-format=byte-stream ! fakesink

It's properly negotiated, and I get ByteStream/au. To me the default choice is
not idea, in general we tend to argue that when downstream does not specify
anything it's preferred to produce byte-stream, so at least this would return
in similar same file:

   gst-launch-1.0 -v filesrc location=test.h264 ! h264parse ! filesink
location=out.h264

Is that what you are reporting ?

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