[gstreamer-bugs] [Bug 583875] adding variants to mpegtsmux

GStreamer (bugzilla.gnome.org) bugzilla-daemon at bugzilla.gnome.org
Tue May 26 11:19:21 PDT 2009


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  GStreamer | gst-plugins-bad | Ver: 0.10.22

Edward Hervey changed:

           What    |Removed                     |Added
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                 CC|                            |bilboed at gmail.com




------- Comment #7 from Edward Hervey  2009-05-26 18:19 UTC -------
Let's not confuse everything here.

The packet-size is outside of the scope of mpeg-ts. It's not compulsory (hell,
if I want to add 20 bytes of padding after each packet, it's because of my
transport medium. mpeg-ts demuxers know how to discard that). it would actually
make sense to have a property on the muxer to specify the output packet size
(>= 188).

As for the variants, the idea is to give a hint as to what internal layout
and/or specifications are being used.

AVCHD/HDV have specific specifications regarding:
 * what kind of streams they contain
 * what bitrate
 * what layout
 * what interleave frequency
 * what private streams
 * ...

That's what the variant means.

One could add a variant for bluray meaning that the mpeg-ts stream either comes
from a bluray disk/source or that the muxer is outputting mpeg-ts streams which
sticks to the bluray mpeg-ts specifications.

For info, the HDV specs are iec-61834-11. I have still to find the official
AVCHD specifications.


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