[Bug 620323] mpegaudioparse: Add support for LAME tags and adjust segments based on the padding information from it

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Tue Mar 29 11:40:39 UTC 2016


https://bugzilla.gnome.org/show_bug.cgi?id=620323

--- Comment #31 from Christoph Reiter (lazka) <reiter.christoph at gmail.com> ---
> My proposal indeed relies on constant frame sizes. However, from what I've seen in the mpegaudioparse source, the frame size depends on the MPEG version and layer numbers (see gstmpegaudioparse.c:733). Can these change in the middle of a bitstream?

It also depends on the bitrate and that usually changes every frame. That's why
we have xiph/vbri tags to detect the duration and have a seek table despite
variable size frames.

You can see the frame sizes using "GST_DEBUG=mpegaudioparse:5"

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