[gst-devel] mpegts demuxer (was: Sink does not reach STATE_PLAYING)

[Zaheer Merali]

On 2/22/07, Dirk Meyer <dischi at freevo.org> wrote:
> "Zaheer Merali" wrote:
> > On 2/21/07, Dirk Meyer <dischi at freevo.org> wrote:
> >> "Zaheer Merali" wrote:
> >> > Have you tried using the fluendo mpeg demuxers?
> >> >
> >> > They are free software and available at:
> >> >
> >> > https://core.fluendo.com/gstreamer/trac/
> >>
> >> I tried, I don't get the pads for the stream. pad-added is not
> >> called.
> >
> > Do you include the PAT and PMT in your transport stream that you are
> > trying to demux?
>
> No, only the audio and video pids. How could I do this? PAT ist easy,
> it is id 0, but for PMT I need the information from the PAT to add the
> pid to the device to grab.
>

I have code that does this dynamically using dvbsrc and flutsdemux.  I
will point you to the code when I put it somewhere.

> > If not, then you need to specify the elementary stream pids with the
> > parameter es-pids
> >
> > eg. flutsdemux es-pids=1234:1235
>
> OK, I need current SVN, I used gst-fluendo-mpegdemux-0.10.4 from
> Gentoo. With current SVN I can set the pids and get the next problem:

Correct.

>
> | ERROR ffmpeg :0:: header missing skiping one byte
>
> This is ffdec_mp3 but I don't get this error when using the ffmpeg
> demuxer. Swicthing to flump3dec gives me:

ffdec_mp3 is not supported, use mad or flump3dec
>
> | flump3dec flump3dec.c:426:flump3dec_drain_avail: Need -5191485850105409408 more bits to decode this frame
>

Not sure why flump3dec does this for you, I will investigate with the
files you linked to.

> That doesn't look right. This happens with all files that also fail
> using the ffmpeg ts demuxer.
>
> Note: this are not some strange files, they are dvb recordings from
> two different channels. In case someone has an idea, here are two
> files:
>
> http://www.sachmittel.de/dvb-recording1.ts (61 MB)
> http://www.sachmittel.de/dvb-recording2.ts (300 MB)
>
Will examine them and get back to you.

Zaheer