[gst-devel] Writing a transport stream to the disk and reading itat the same time

[irfanshaikh]

Hi,

I suggest you to first play the video file using mplayer. So that you come
to know about the audio video codec sequence as to know whetehr audo or
video comes first.Based on that you can use the respective decoders as per
sequence in mplayer.If audio comes first use audio decoder,  else video.....
Try changing the demux or the decoder elements by trial and error.I also had
faced the same problem, some time ago, it worked out when i changed the
respective decoder.
Hope it works for you too .

Regards,
Irfan

  -----Original Message-----
  From: gstreamer-devel-bounces at lists.sourceforge.net
[mailto:gstreamer-devel-bounces at lists.sourceforge.net]On Behalf Of Julien
Pauty
  Sent: Tuesday, September 16, 2008 12:46 AM
  To: gstreamer-devel at lists.sourceforge.net
  Subject: [gst-devel] Writing a transport stream to the disk and reading
itat the same time


  Hello,

  I have an application with two pipelines. The first pipeline writes to the
disk the transport streams provided by a dvbbasebin. My second pipeline
reads the transport streams from the disk.

  My problem is that playing stops after a few seconds. I'm waiting a few
seconds before starting playing to be sure that enough data has been saved,
but this is not sufficient. My pipeling looks like this: filesrc !
flutsdemux ! queue ! audiodec ! audiosink ! queue! videodec ! videosink . If
I use the playbin instead of my custom pipeline, it works. However, I still
want to use my pipeline, because it can seek through the transport stream,
whereas I'm not able to seek with the playbin.

  With a big file I don't have this problem, suggesting some buffering
problem. My debbuging session tends to show that, if the file is small
(<10meg) the filesrc reads the whole file and send an EOS event. I thought
that I may need some prerolling and I tried to insert a queue between the
filesrc and the demuxer, but this does not help.

  I think it's possible to do it since the playbin can handle this.
Unfortunally sources of the playbin are rather complex.

  Any idea is welcomed,

  Cheers,

  Julien

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