[Bug 793836] New: gstvaapidecode: Playback of succession of I-frames fails with AMD card

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=793836

            Bug ID: 793836
           Summary: gstvaapidecode: Playback of succession of I-frames
                    fails with AMD card
    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: aboya at igalia.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
                CC: bsreerenj at gmail.com, vjaquez at igalia.com
     GNOME version: ---

This simple file fails to play on master when using vaapi with amdgpu drivers
in GStreamer master:

$ gst-launch-1.0 videotestsrc pattern=blink num-buffers=3 \
  ! video/x-raw, framerate=3/1 \
  ! x264enc key-int-max=1 \
  ! mp4mux faststart=true movie-timescale=30 trak-timescale=3 \
  ! filesink location=i-frames-non-frag.mp4
$ gst-play-1.0 i-frames-non-frag.mp4 
Press 'k' to see a list of keyboard shortcuts.
Now playing
/home/ntrrgc/Dropbox/igalia/mp4-edts-testcases/i-frames-non-frag.mp4
0:00:00.163746350 53076 0x7fabbc007000 ERROR            vaapidecode
gstvaapidecode.c:755:gst_vaapidecode_handle_frame: decode error -1
0:00:00.164154644 53076 0x7fabbc007000 ERROR            vaapidecode
gstvaapidecode.c:755:gst_vaapidecode_handle_frame: decode error -1
0:00:00.164425618 53076 0x7fabbc007000 ERROR            vaapidecode
gstvaapidecode.c:755:gst_vaapidecode_handle_frame: decode error -1
ERROR No valid frames decoded before end of stream for
file:///home/ntrrgc/Dropbox/igalia/mp4-edts-testcases/i-frames-non-frag.mp4
ERROR debug information:
../subprojects/gst-plugins-base/gst-libs/gst/video/gstvideodecoder.c(1160):
gst_video_decoder_sink_event_default ():
/GstPlayBin:playbin/GstURIDecodeBin:uridecodebin0/GstDecodeBin:decodebin0/GstVaapiDecodeBin:vaapidecodebin0/GstVaapiDecode:vaapidecode0:
no valid frames found
Reached end of play list.

Works fine in GStreamer 1.12.4 from Fedora.

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