[Bug 743311] mpeg2dec does not cope if downstream buffer allocation has stride != width
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Thu Jan 22 10:00:43 PST 2015
https://bugzilla.gnome.org/show_bug.cgi?id=743311
GStreamer | gst-plugins-ugly | git master
--- Comment #10 from Simon Farnsworth <simon at farnz.org.uk> 2015-01-22 18:00:38 UTC ---
Created an attachment (id=295211)
View: https://bugzilla.gnome.org/attachment.cgi?id=295211
Review: https://bugzilla.gnome.org/review?bug=743311&attachment=295211
[PATCH] mpeg2dec: Fix handling of stride
A pipeline like:
gst-launch-1.0 filesrc location=file.ts ! tsdemux ! mpegvideoparse ! mpeg2dec
! vaapisink
would look bad when file.ts contains 704x576 video, because vaapisink would
give you buffers of stride 768, but libmpeg2 was not told about this and
used a stride of 704.
Tell libmpeg2 about the stride from downstream; in the process, teach it to
reject buffer pools that don't meet libmpeg2's chroma stride requirements
Signed-off-by: Simon Farnsworth <simon.farnsworth at onelan.co.uk>
---
ext/mpeg2dec/gstmpeg2dec.c | 41 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 41 insertions(+)
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