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# Implement chapter support in more plugins
## Background
[[Bug 540890|https://bugzilla.gnome.org/show_bug.cgi?id=540890]] provides a new API to GStreamer for chapter support in media files. [[Bug 481070|https://bugzilla.gnome.org/show_bug.cgi?id=481070]] implements that API for the matroska format. We need simillar patches for other plugins and make use of that in tools:
### Tools
* gst-discoverer should show the chapter structure
* gst-launch should have a option simillar to "-t" for tags to show chapters
## Resources
* Riff-format: [[http://www.neurophys.wisc.edu/auditory/riff-format.txt|http://www.neurophys.wisc.edu/auditory/riff-format.txt]], see "Cue-Points Chunk"
* Mp4-Format: [[http://xhelmboyx.tripod.com/formats/mp4-layout.txt|http://xhelmboyx.tripod.com/formats/mp4-layout.txt]], see "chapterlist"; also this may be useful: [[http://developer.apple.com/mac/library/documentation/QuickTime/QTFF/index.html|http://developer.apple.com/mac/library/documentation/QuickTime/QTFF/index.html]], see "Chapter List"
**Mentor: **
Back to [[TaskList|TaskList]]
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[[CategoryGSOC2012|CategoryGSOC2012]] [[CategoryTasks|CategoryTasks]]
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