Problem with adding language descriptor in mpegts

[mguinzbourg]

Hi,
I'm trying to pass audio stream language code from the source mpegts  to output mpegts stream. The language code is lost while demuxing-transcoding-muxing process. I traced the problem in the code to the following: in the tsmuxstream.c, line 745, method void tsmux_stream_get_es_descrs  (TsMuxStream * stream, GstMpegtsPMTStream * pmt_stream) (which suppose to write descriptor to the pmt table) the language code is simply ignored for audio type ac3 and for other audio types the descriptor not even created. Can anybody look at this problem or what's involved in fixing this part. This is critical for my project to have audio descriptors with the language code. Thanks! Below is the link to the source file in the repository:  https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/tree/gst/mpegtsmux/tsmux/tsmuxstream.c?h=1.6

[Tim Müller]

On Mon, 2016-03-14 at 13:02 -0700, mguinzbourg wrote:

Hi,

> I'm trying to pass audio stream language code from the source
> mpegts  to output mpegts stream. The language code is lost while
> demuxing-transcoding-muxing process. I traced the problem in the code
> to the following: in the tsmuxstream.c, line 745 (snip) (which
> suppose to write descriptor to the pmt table) the
> language code is simply ignored for audio type ac3 and for other
> audio types the descriptor not even created. Can anybody look at this
> problem or what's involved in fixing this part. This is critical for
> my project to have audio descriptors with the language code. Thanks!

Please file a bug in bugzilla about this, thanks!

https://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer&component=gs
t-plugins-bad

Cheers
 -Tim

--
Tim Müller, Centricular Ltd - http://www.centricular.com


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[mguinzbourg]

bug created: https://bugzilla.gnome.org/show_bug.cgi?id=763647

On 14 March 2016 at 16:53, Tim Müller [via GStreamer-devel] <[hidden email]> wrote:

On Mon, 2016-03-14 at 13:02 -0700, mguinzbourg wrote:

Hi,

> I'm trying to pass audio stream language code from the source
> mpegts  to output mpegts stream. The language code is lost while
> demuxing-transcoding-muxing process. I traced the problem in the code
> to the following: in the tsmuxstream.c, line 745 (snip) (which
> suppose to write descriptor to the pmt table) the
> language code is simply ignored for audio type ac3 and for other
> audio types the descriptor not even created. Can anybody look at this
> problem or what's involved in fixing this part. This is critical for
> my project to have audio descriptors with the language code. Thanks!

Please file a bug in bugzilla about this, thanks!

https://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer&component=gs
t-plugins-bad

Cheers
 -Tim

--
Tim Müller, Centricular Ltd - http://www.centricular.com


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