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Bug 565850 - mov files can contain xvid, fmp4 and ac3 tracks
mov files can contain xvid, fmp4 and ac3 tracks
Status: RESOLVED FIXED
Product: GStreamer
Classification: Platform
Component: gst-plugins-good
git master
Other Linux
: Normal normal
: 0.10.14
Assigned To: GStreamer Maintainers
GStreamer Maintainers
Depends on:
Blocks:
 
 
Reported: 2008-12-28 07:07 UTC by j^
Modified: 2009-01-23 08:39 UTC
See Also:
GNOME target: ---
GNOME version: ---

Attachments
patch adding fourccs for xvid, fmp4 and ac-3 audio (1.42 KB, patch)
2008-12-28 07:07 UTC, j^ 		committed Details | Review

Description j^ 2008-12-28 07:07:02 UTC 
mov files, can contain those tracks, this happens if people open an avi in quicktime using perian and extract a part to save it as .mov.
by setting the right caps these tracks can be decoded.
Comment 1 j^ 2008-12-28 07:07:36 UTC 
Created attachment 125420 [details] [review]
patch adding fourccs for xvid, fmp4 and ac-3 audio
Comment 2 Edward Hervey 2008-12-28 09:51:03 UTC 
2008-12-28  Edward Hervey  <edward.hervey@collabora.co.uk>

	Patch by: j^ <j at oil21.org>

	* gst/qtdemux/qtdemux.c: (qtdemux_video_caps),
	(qtdemux_audio_caps):
	Add codec mapping for xvid, fmp4 and ac3 tracks.
	Fixes #565850
Comment 3 David Schleef 2008-12-29 02:14:04 UTC 
How do we know these fourccs are correct, and not something Perian made up?
Comment 4 Edward Hervey 2008-12-29 08:42:09 UTC 
AFAICR, we've always added mapping for 'broken'/'non-standard' applications that produce those files.

Provided they don't create regressions for existing files, I don't see any problems. It's just like adding the 'FMP4' mapping in riff for all those msmpeg4 avis that some versions of mencoder/ffmpeg use to produce for a long time.
Comment 5 Stefan Sauer (gstreamer, gtkdoc dev) 2009-01-02 20:57:01 UTC 
Bug #565777 has another example for such a case. For playback elements its fine, for encoder, formatter, muxer elements its not. For the playback elements its a good idea to add comments in the code for non-standard extensions.