[Bug 782697] New: discoverer: mp4 track count is wrong
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Tue May 16 15:18:52 UTC 2017
https://bugzilla.gnome.org/show_bug.cgi?id=782697
Bug ID: 782697
Summary: discoverer: mp4 track count is wrong
Classification: Platform
Product: GStreamer
Version: 1.12.0
OS: Linux
Status: NEW
Severity: normal
Priority: Normal
Component: gst-plugins-base
Assignee: gstreamer-bugs at lists.freedesktop.org
Reporter: fzwoch at gmail.com
QA Contact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
Created attachment 351977
--> https://bugzilla.gnome.org/attachment.cgi?id=351977&action=edit
Gstreamer 1.12
GstDiscoverer lists an unexpected track count for my MP4 file. Unfortunately I
could not get clearance to attach the MP4 file - else I would have.
The MP4 file was created with MP4Box:
MP4Box -add "stream.265":forcesync -add "stream2.265":forcesync out.mp4
The HEVC streams are Bluray compatible streams.
I will attach 3 logs:
a) gst-discoverer-1.0 -v with GStreamer 1.12
b) gst-discoverer-1.0 -v with GStreamer 1.10
c) The output of MP4Box -info out.mp4
As far as I can tell GstDiscoverer reports 4 visual tracks although only 2
tracks should be found.
I can actually use qtdemux and display both tracks (I haven't checked if it
exposes more than 2 tracks though).
I may be able to add an MP4 file if I can get access to some bitstreams that
may be distributed.
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