[Bug 732266] vaapidecode: h264: add support for decoding SVC base layers only

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Tue Aug 22 00:04:44 UTC 2017


https://bugzilla.gnome.org/show_bug.cgi?id=732266

--- Comment #32 from Orestis Floros <orestisf1993 at gmail.com> ---
(In reply to Orestis Floros from comment #31)
> (In reply to Orestis Floros from comment #30)
> > (In reply to sreerenj from comment #29)
> > > Review of attachment 358039 [details] [review] [review] [review]:
> > > 
> > > Can you explain "why it requires"  in the commit message? 
> > > 
> > > Becuase there are other parsed units which were set for
> > > skipping(AU_DELIMITER, FILLTER_DATA) but still we count them for finding
> > > frame_start/au_start.
> > 
> > Actually, It's enough to only remove the START and END flags from PREFIX
> > NALs and leave everything else the same.
> 
> *AU_START and FRAME_START not END

But then it messes up this stream:

gst-launch-1.0 filesrc location=SVCHS-2.264 ! h264parse ! h264parse !
video/x-h264, stream-format=byte-stream, alignment=nal ! vaapih264dec !
vaapisink

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