Discussion:
[Bug 778792] New: H.264 decoder leads to stutters of video playback
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"GStreamer" (GNOME Bugzilla)
2017-02-16 20:22:38 UTC
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https://bugzilla.gnome.org/show_bug.cgi?id=778792

Bug ID: 778792
Summary: H.264 decoder leads to stutters of video playback
Classification: Platform
Product: GStreamer
Version: unspecified
OS: Linux
Status: NEW
Severity: normal
Priority: Normal
Component: gstreamer-vaapi
Assignee: gstreamer-***@lists.freedesktop.org
Reporter: ***@vecima.com
QA Contact: gstreamer-***@lists.freedesktop.org
CC: ***@gmail.com, ***@igalia.com
GNOME version: ---

Using gstreamer pipeline:

gst-launch-1.0 filesrc location=./streams/62508/WGN_VU_2016-11-30_09.00.53.ts !
queue max-size-bytes=0 max-size-buffers=0 max-size-time=10000000000 ! tsdemux
name=dmx dmx. ! h264parse ! vaapih264dec ! queue max-size-bytes=0
max-size-buffers=0 max-size-time=10000000000 ! vaapisink

A specific content which is provided as an attachment vaapi leads to the
following errors and stutters in video playback. The provided capture is
decoded flawlessly using other software decoders:

0:00:10.265108270 25883 0x16ec630 ERROR vaapi
gstvaapidecoder_h264.c:2618:find_short_term_reference: found no short-term
reference picture with PicNum = 49
0:00:10.266004175 25883 0x16ec630 ERROR vaapi
gstvaapidecoder_h264.c:2618:find_short_term_reference: found no short-term
reference picture with PicNum = 52
0:00:10.269309769 25883 0x16ec630 ERROR vaapi
gstvaapidecoder_h264.c:2618:find_short_term_reference: found no short-term
reference picture with PicNum = 51
0:00:12.266921394 25883 0x16ec630 ERROR vaapi
gstvaapidecoder_h264.c:2618:find_short_term_reference: found no short-term
reference picture with PicNum = 146
0:00:12.266967034 25883 0x16ec630 ERROR vaapi
gstvaapidecoder_h264.c:2618:find_short_term_reference: found no short-term
reference picture with PicNum = 147
0:00:12.268109413 25883 0x16ec630 ERROR vaapi
gstvaapidecoder_h264.c:2618:find_short_term_reference: found no short-term
reference picture with PicNum = 152
0:00:12.268239254 25883 0x16ec630 ERROR vaapi
gstvaapidecoder_h264.c:2618:find_short_term_reference: found no short-term
reference picture with PicNum = 153
0:00:12.273130175 25883 0x16ec630 ERROR vaapi
gstvaapidecoder_h264.c:2618:find_short_term_reference: found no short-term
reference picture with PicNum = 75
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"GStreamer" (GNOME Bugzilla)
2017-02-17 05:44:07 UTC
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https://bugzilla.gnome.org/show_bug.cgi?id=778792

Hyunjun Ko <***@igalia.com> changed:

What |Removed |Added
----------------------------------------------------------------------------
CC| |***@igalia.com

--- Comment #1 from Hyunjun Ko <***@igalia.com> ---
Thanks for reporting.

Probably you missed attachment. :)
I'll be wating for it.
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"GStreamer" (GNOME Bugzilla)
2017-02-17 18:20:23 UTC
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https://bugzilla.gnome.org/show_bug.cgi?id=778792

--- Comment #2 from Faham Negini <***@vecima.com> ---
sample capture can be found at this here:
https://drive.google.com/file/d/0B-Q7dshLO6yoY0tRa1kyd0lUREU/view?usp=sharing
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"GStreamer" (GNOME Bugzilla)
2017-02-18 07:49:30 UTC
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--- Comment #3 from Hyunjun Ko <***@igalia.com> ---
I can't see the difference between sw codec and vaapi decoder "on the master".
I guess #bug 776979 already fixed your problem.

Could you try on the master again and confirm it's fixed?
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"GStreamer" (GNOME Bugzilla)
2017-02-21 18:07:33 UTC
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https://bugzilla.gnome.org/show_bug.cgi?id=778792

Faham Negini <***@vecima.com> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |DUPLICATE

--- Comment #4 from Faham Negini <***@vecima.com> ---
yeah looks like that patch fixes the issue, I've been testing against 1.11.1
and didn't see that fix, ...thanks

*** This bug has been marked as a duplicate of bug 776979 ***
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