[Bug 786173] New: vaapi h264 decoder corrupted frame when there is resolution change
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Fri Aug 11 19:00:17 UTC 2017
https://bugzilla.gnome.org/show_bug.cgi?id=786173
Bug ID: 786173
Summary: vaapi h264 decoder corrupted frame when there is
resolution change
Classification: Platform
Product: GStreamer
Version: git master
OS: Linux
Status: NEW
Severity: normal
Priority: Normal
Component: gstreamer-vaapi
Assignee: gstreamer-bugs at lists.freedesktop.org
Reporter: matteo.valdina at gmail.com
QA Contact: gstreamer-bugs at lists.freedesktop.org
CC: bsreerenj at gmail.com, vjaquez at igalia.com
GNOME version: ---
Created attachment 357440
--> https://bugzilla.gnome.org/attachment.cgi?id=357440&action=edit
Test application
I'm writing a test application that encode and decode an H.264 stream.
The two pipeline (encoder pipeline and decoder pipeline) are connected via an
udpsink and udpsrc on the loopback.
The problem is when the encoder changes resolution, the output on the decoder
is corrupted. I tested with VLC and it is able to show correctly the stream.
>From logs on the decoder side, I can see that the h264parse send the new caps
to vaapidecodebin but the vaapidecode negotiate something like sink pad new
resolution src pad old resolution.
In attachment my test source code.
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