[Bug 791010] New: mpeg4: decode error with video has resync marker

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=791010

            Bug ID: 791010
           Summary: mpeg4: decode error with video has resync marker
    Classification: Platform
           Product: GStreamer
           Version: 1.12.x
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gstreamer-vaapi
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: yeye2017 at 163.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
                CC: bsreerenj at gmail.com, vjaquez at igalia.com
     GNOME version: ---

Hi,

While I try to playback video with mpeg4 resync marker video, encounter decode
frame error issue, following:

S/W:
  libvdpau-1.1.1
  vdpau-va-driver-0.7.4
  libva-1.7.0
  gstreamer-1.2.3

Issue: "gst-launch-1.0 playbin uri=file:///home/ye/video.mov
video-sink=glimagesink", encounter decode frame error issue. So, I try to use
more mpeg4 video test, finished I found that it will encounter decode frame
error issue only if video has resync marker. More detail log reference to
attachment...

Track: I can only track to gstvaapidecoder_mpeg4.c decode_packet(...), only
priv->vol_hdr.resync_marker_disable != 0 decode frame ok, means that there is
no resync marker in video, but I can not solved it why it decode frame error
while priv->vol_hdr.resync_marker_disable == 0, I am sorry for my clueless.

Thanks.

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