[Bug 732266] vaapidecode: h264: add support for decoding SVC base layers only
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Sun Aug 20 19:24:24 UTC 2017
https://bugzilla.gnome.org/show_bug.cgi?id=732266
Orestis Floros <orestisf1993 at gmail.com> changed:
What |Removed |Added
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Attachment #357928|0 |1
is obsolete| |
--- Comment #22 from Orestis Floros <orestisf1993 at gmail.com> ---
Created attachment 358028
--> https://bugzilla.gnome.org/attachment.cgi?id=358028&action=edit
(In reply to sreerenj from comment #21)
> One access unit can have multiple view components, and yes you don't have to
> add the slice_ext in the code for checking the complete_au. Sorry about the
> confusion.
> But ideally, we should add other checkings like "compare the view_ids of
> nals" for vcl boundary detection (even though current code can work without
> that).
I think this requires the previous slice / vlc nalu right? I think h264parse
doesn't keep that.
> BTW I hit a segfault issue while testing your branch:
>
> Generate an mvc sample like this:
> gst-launch-1.0 -v videotestsrc num-buffers=30 blocksize=115200 !
> vaapih264enc num-views=2 ! video/x-h264, profile=stereo-high ! filesink
> location=sample.mvc
>
> playback the stream with only base view
> gst-launch-1.0 filesrc location=sample.mvc ! h264parse ! vaapih264dec
> base-only=true ! vaapisink
Thanks, fixed.
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