[gst-devel] Saving a live stream

Tue Apr 21 15:37:22 CEST 2009

Thanks for the info. And sorry for the inconvenience. Below is the error
messages on the receiver pipeline.
I did set gst debug level to 1.

Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
*0:00:02.411903894  4462  0x8b64b30 ERROR               ffmpeg :0:: time
base not set*
ERROR: from element /GstPipeline:pipeline0/ffmux_mp4:ffmux_mp40: Could not
configure supporting library.
Additional debug info:
gstffmpegmux.c(485): gst_ffmpegmux_collected ():
/GstPipeline:pipeline0/ffmux_mp4:ffmux_mp40:
Failed to write file header - check codec settings
Execution ended after 2171823723 ns.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
FREEING pipeline ...

I tried with the muxmp4 also but I the pipeline throws the following errors
and exits.

Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
*ERROR: from element /GstPipeline:pipeline0/GstUDPSrc:udpsrc0: Internal data
flow error.*
Additional debug info:
gstbasesrc.c(2330): gst_base_src_loop ():
/GstPipeline:pipeline0/GstUDPSrc:udpsrc0:
streaming task paused, reason not-negotiated (-4)
Execution ended after 74215528 ns.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
FREEING pipeline ...

Pipeline I used is for receiver is:

gst-launch udpsrc caps="application/x-rtp, media=(string)video,
clock-rate=(int)90000, encoding-name=(string)H264,
profile-level-id=(string)4d4033,
sprop-parameter-sets=(string)\"Z01AM5JSAoP2AiAAAAMDACAAAAYR4wZJ\\,aO4CvIA\\=\",
payload=(int)96, ssrc=(guint)250263704, clock-base=(guint)2304826711,
seqnum-base=(guint)52740" uri=udp://239.220.8.13:5002 ! queue2 !
rtph264depay ! mp4mux ! filesink location=~/Desktop/test.mp4

On Tue, Apr 21, 2009 at 6:49 PM, thiagoss <thiagossantos at gmail.com> wrote:

>
>
> On Tue, Apr 21, 2009 at 9:54 AM, Jyoti <jyoti.d at allaboutif.com> wrote:
>
>> But I am getting error on ffmux_mp4 element.
>> So why are those errors shown?
>>
>
> The log you sent seems to have nothing about the error you receive on the
> console (at least, I couldn't find it). If you don't feel like going further
> into the problem with ffmux_mp4 you can try mp4mux from -bad instead. But
> maybe someone out there knows gst-ffmpeg and the answer for your problem.
>
> Attached is the log of the receiver pipeline.
>> And I could not get the EOS part you mentioned.
>> Could you please elaborate on that?
>>
>
> When you are recording from live pipelines and you stop gst-launch with
> ctrl+c, it simply shuts the pipeline down, no EOS is sent. Some muxers need
> to send data after they receive EOS to finish the file properly, if no EOS
> is received the file ends up in an unconsistent state.
> A new feature has been added to git head and will be in the next core
> release (the prerelease is already up, you might try it from there)
>
>
>
>>
>> Thanks
>>
>> On Tue, Apr 21, 2009 at 3:45 PM, vikram kf <ved.kpl at gmail.com> wrote:
>>
>>> The pipeline needs to shut down gracefully. You will have to send eos
>>> to pipeline.
>>> Ctrl-C won't work as the pipeline is shut down abruptly.
>>> But I guess, eos feature is recently added for gst-launch.
>>>
>>> On Tue, Apr 21, 2009 at 2:36 PM, Jyoti <jyoti.d at allaboutif.com> wrote:
>>> > Hi all,
>>> >
>>> > I am trying to save a live stream in a file. Below are the pipelines &
>>> error
>>> > messages.
>>> >
>>> > Sender side Pipeline:
>>> > gst-launch gstrtpbin name=rtpbin filesrc
>>> > location=~/Desktop/h264-aac/alien.mp4 ! qtdemux name=d d. ! rtph264pay
>>> !
>>> > rtpbin.send_rtp_sink_0 rtpbin.send_rtp_src_0 ! udpsink port=5002
>>> > host=239.220.8.13 rtpbin.send_rtcp_src_0 ! udpsink port=5003
>>> > host=239.220.8.13 sync=false async=false udpsrc port=5007 !
>>> > rtpbin.recv_rtcp_sink_0
>>> >
>>> > Receiver side Pipeline:
>>> > gst-launch udpsrc caps="application/x-rtp, media=(string)video,
>>> > clock-rate=(int)90000, encoding-name=(string)H264,
>>> > profile-level-id=(string)4d4033,
>>> >
>>> sprop-parameter-sets=(string)\"Z01AM5JSAoP2AiAAAAMDACAAAAYR4wZJ\\,aO4CvIA\\=\",
>>> > ssrc=(guint)2050116617, payload=(int)96, clock-base=(guint)3965693777,
>>> > seqnum-base=(guint)4980" port=5002 ! queue2 ! rtph264depay ! ffmux_mp4
>>> !
>>> > filesink location=~/Desktop/test.mp4
>>> >
>>> > ERROR:
>>> >
>>> > Setting pipeline to PAUSED ...
>>> > Pipeline is live and does not need PREROLL ...
>>> > Setting pipeline to PLAYING ...
>>> > New clock: GstSystemClock
>>> > ERROR: from element /GstPipeline:pipeline0/ffmux_mp4:ffmux_mp40: Could
>>> not
>>> > configure supporting library.
>>> > Additional debug info:
>>> > gstffmpegmux.c(485): gst_ffmpegmux_collected ():
>>> > /GstPipeline:pipeline0/ffmux_mp4:ffmux_mp40:
>>> > Failed to write file header - check codec settings
>>> > Execution ended after 2126051332 ns.
>>> > Setting pipeline to PAUSED ...
>>> > Setting pipeline to READY ...
>>> > Setting pipeline to NULL ...
>>> > FREEING pipeline ...
>>> >
>>> > Can anyone suggest the way to save live stream.
>>> >
>>> > Thanks
>>> >
>>> > PS : The file I am streaming on sender side has H264 video content.
>>> >
>>> >
>>> >
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>>
>>
>>
>> ------------------------------------------------------------------------------
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>> 300 plus technical and hands-on sessions. Register today.
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>>
>
>
> --
> Thiago Sousa Santos
>
> Embedded Systems and Pervasive Computing Lab (Embedded)
> Center of Electrical Engineering and Informatics (CEEI)
> Federal University of Campina Grande (UFCG)
>
>
> ------------------------------------------------------------------------------
> Stay on top of everything new and different, both inside and
> around Java (TM) technology - register by April 22, and save
> $200 on the JavaOne (SM) conference, June 2-5, 2009, San Francisco.
> 300 plus technical and hands-on sessions. Register today.
> Use priority code J9JMT32. http://p.sf.net/sfu/p
> _______________________________________________
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> gstreamer-devel at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>
>
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