[Bug 764604] New: decodebin: fail to link to capsfilter when forcing H264 format (1.8 regression)

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Mon Apr 4 16:34:10 UTC 2016


https://bugzilla.gnome.org/show_bug.cgi?id=764604

            Bug ID: 764604
           Summary: decodebin: fail to link to capsfilter when forcing
                    H264 format (1.8 regression)
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: gdesmott at gnome.org
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

The following pipeline is working with 1.6 but not 1.8:

gst-launch-1.0 uridecodebin
uri="rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov" !
video/x-h264,stream-format=avc ! fakesink


Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Progress: (open) Opening Stream
Progress: (connect) Connecting to
rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov
Progress: (open) Retrieving server options
Progress: (open) Retrieving media info
Progress: (request) SETUP stream 0
Progress: (request) SETUP stream 1
Progress: (open) Opened Stream
Setting pipeline to PLAYING ...
New clock: GstSystemClock
Progress: (request) Sending PLAY request
Progress: (request) Sending PLAY request
Progress: (request) Sent PLAY request
** (gst-launch-1.0:9118): DEBUG: alloc_len: 36
** (gst-launch-1.0:9118): DEBUG: alloc_len: 829
WARNING: from element /GstPipeline:pipeline0/GstURIDecodeBin:uridecodebin0:
Delayed linking failed.
Additional debug info:
./grammar.y(506): gst_parse_no_more_pads ():
/GstPipeline:pipeline0/GstURIDecodeBin:uridecodebin0:
failed delayed linking some pad of GstURIDecodeBin named uridecodebin0 to some
pad of GstFakeSink named fakesink0
^Chandling interrupt.
Interrupt: Stopping pipeline ...
Execution ended after 0:00:03.718089881
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...

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