unable to seek live recorded file

[sivaits4u]

hi ppl,
I am trying to use gstreamer to record a live streame(audio and video).
I am successful in recording this as an mkv file using matroskamux (h264 +lame). everything works fine able to play with  sync but i am not able to seek the file while playing.

and my pipeline is here which receives rtp audio video and creates a mkv file :
gst-launch-0.10 gstrtpbin name=rtpbin latency=200 udpsrc caps="application/x-rtp,media=(string)video,clock-rate=(int)90000,encoding-name=(string)H264"  port=9000 ! rtpbin.recv_rtp_sink_0  rtpbin. ! rtph264depay ! h264parse  ! queue  ! mux. udpsrc port=9001 ! rtpbin.recv_rtcp_sink_0  udpsrc caps="application/x-rtp,media=(string)audio,clock-rate=(int)8000,encoding-name=(string)PCMU" port=9500 ! rtpbin.recv_rtp_sink_1 rtpbin. ! rtppcmudepay ! mulawdec ! audioconvert ! audioresample ! lame ! queue ! mux. udpsrc port=9501 ! rtpbin.recv_rtcp_sink_1 matroskamux name=mux ! queue !  filesink location=test.mkv sync=false -v

i am not able to seek it when playing it using any player like vlc

i want to know if there is any option we have specify like do-timestamp=true  anywhere in my pipeline. i tried this option for udpsrc as well but that didn't work for me.
any timestamping method i have to use ?

can anybody suggest me how to record my stream to seek it like a regualr mp4 or any other file. (anyway using code/cmdline pipliene).
please give me suggestions i will try it.

thanks,
bujji

[Tim-Philipp Müller-2]

On Fri, 2011-12-09 at 02:16 -0800, sivaits4u wrote:

> I am trying to use gstreamer to record a live streame(audio and video).
> I am successful in recording this as an mkv file using matroskamux (h264
> +lame). everything works fine able to play with  sync but i am not able to
> seek the file while playing.
>
> and my pipeline is here which receives rtp audio video and creates a mkv
> file :
> gst-launch-0.10 gstrtpbin name=rtpbin latency=200 udpsrc
> caps="application/x-rtp,media=(string)video,clock-rate=(int)90000,encoding-name=(string)H264"
> port=9000 ! rtpbin.recv_rtp_sink_0  rtpbin. ! rtph264depay ! h264parse  !
> queue  ! mux. udpsrc port=9001 ! rtpbin.recv_rtcp_sink_0  udpsrc
> caps="application/x-rtp,media=(string)audio,clock-rate=(int)8000,encoding-name=(string)PCMU"
> port=9500 ! rtpbin.recv_rtp_sink_1 rtpbin. ! rtppcmudepay ! mulawdec !
> audioconvert ! audioresample ! lame ! queue ! mux. udpsrc port=9501 !
> rtpbin.recv_rtcp_sink_1 matroskamux name=mux ! queue !  filesink
> location=test.mkv sync=false -v
>
> i am not able to seek it when playing it using any player like vlc

Try passing the -e option to gst-launch.

Cheers
 -Tim

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[sivaits4u]

hi Tim,
thanks for your reply. it works fine.
but i want it do it in  receiver pipeline application code(C/python) using gsteamer not as commandline pipeline.
i tried to google to get the equivalent option in a pipeline do that but no luck.

is there any api or any option available ?
please help

thanks,
bujji

[Tim-Philipp Müller-2]

On Sat, 2011-12-10 at 07:41 -0800, sivaits4u wrote:
> thanks for your reply. it works fine.
> but i want it do it in  receiver pipeline application code(C/python) using
> gsteamer not as commandline pipeline.
> i tried to google to get the equivalent option in a pipeline do that but no
> luck.
>
> is there any api or any option available ?

Do gst_element_send_event (pipeline, gst_event_new_eos ()) and wait for
the EOS message on the pipeline's bus, then shut down the pipeline (set
to GST_STATE_NULL).

Cheers
 -Tim

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