[Bug 767699] New: decodebin/vaapi: regression: linking with autovideosink

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=767699

            Bug ID: 767699
           Summary: decodebin/vaapi: regression: linking with
                    autovideosink
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gstreamer-vaapi
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: vjaquez at igalia.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
                CC: bsreerenj at gmail.com, vjaquez at igalia.com
     GNOME version: ---

This pipeline fails

$ gst-launch-1.0 filesrc location= ~/patterns/517748282_4.mp4 ! decodebin !
autovideosink

The output is:

Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
libva info: VA-API version 0.39.2
libva info: va_getDriverName() returns 0
libva info: Trying to open /opt/gnome/jh/lib/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_39
libva info: va_openDriver() returns 0
Got context from element 'vaapidecode': gst.vaapi.Display=context,
gst.vaapi.Display=(GstVaapiDisplay)NULL;
Redistribute latency...
WARNING: from element /GstPipeline:pipeline0/GstDecodeBin:decodebin0: Delayed
linking failed.
Additional debug info:
./grammar.y(506): void gst_parse_no_more_pads(GstElement *, gpointer) ():
/GstPipeline:pipeline0/GstDecodeBin:decodebin0:
failed delayed linking some pad of GstDecodeBin named decodebin0 to some pad of
GstAutoVideoSink named autovideosink0
ERROR: from element
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstQTDemux:qtdemux0: GStreamer
encountered a general stream error.
Additional debug info:
qtdemux.c(5766): gst_qtdemux_loop ():
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstQTDemux:qtdemux0:
streaming stopped, reason not-linked
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Freeing pipeline ...

Nonetheless, in branch 1.8 is working.

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