AW: RTP H264 encoding problem - bad files duration

Julio Franco jeloguin at gmail.com
Mon Sep 21 08:53:34 PDT 2015 

Hi Tim !!!

Tried with splitmuxsink, and the result is the same ... files are generated
correctly, but the duration info in the header is wrong ...

I mean, if I split video chunks every 10 seconds, the duration of the first
chunk is 10, the duration of the second one is 20 ... and so on ... but the
size of each chunk is ok.

And, for example if I play the first chunk in VLC, VLC do nothing in the
first 10 seconds and begin to show video in the second 11 ...



2015-09-21 17:40 GMT+02:00 Tim Müller <tim at centricular.com>:

> On Mon, 2015-09-21 at 07:23 -0700, Julio wrote:
>
> Julio,
>
> multifilesink will not work with mp4mux.
>
> Try the new splitmuxsink (new in 1.5.x).
>
>  Cheers
>   -Tim
>
>
> > Hi Keith.
> >
> > I`ve tried withmatroskamux, qtmux, with no luck !!!.
> >
> > I think the problem is about timestamps ... because the source is a
> > live source ...
> >
> > Is there any way to clrear ( by code ) the pipeline clock, or set the
> > timestamp to 0 ?
> >
> >
> > 2015-09-21 13:55 GMT+02:00 Thornton, Keith [via GStreamer-devel]
> > <[hidden email]>:
> > > And you might like to try qtmux instead of mp4mux
> > >
> > > Von: gstreamer-devel [mailto:[hidden email]] Im Auftrag von Julio
> > > Gesendet: Montag, 21. September 2015 12:25
> > > An: [hidden email]
> > > Betreff: Re: AW: RTP H264 encoding problem - bad files duration
> > >
> > > Hi Keith.
> > >
> > > First of all, thanks for the support !!!
> > >
> > > I've tried with this pipeline:
> > >
> > > gst-launch-1.0 udpsrc port=9000 caps="application/x-rtp,
> > > media=video, clock-rate=(int)90000, encoding-name=H264" !
> > > rtph264depay ! h264parse ! video/x-h264, stream
> > > -format="avc",alignment="au" ! mp4mux fragment-duration=10 !
> > > multifilesin
> > > k next-file=4 max-file-size=10147483
> > > location=C:\\Users\\x51085fr\\Videos\\video-%03d.mp4
> > >
> > > And it works, but only with the first file, the second file is not
> > > playable
> > >
> > > Mediainfo tells me this about first file:
> > >
> > >  General
> > >  Complete name :     C:\Users\x51085fr\Videos\video-000.mp4
> > >  Format :    MPEG-4
> > >  Format profile :    Base Media / Version 2
> > >  Codec ID :  mp42
> > >  File size :         9.68 MiB
> > >  Duration :  9mn 31s
> > >  Overall bit rate :  142 Kbps
> > >  Encoded date :      UTC 2015-09-21 09:20:09
> > >  Tagged date :       UTC 2015-09-21 09:20:09
> > >
> > >
> > >
> > > But I get this info about the second and others ones ...
> > >
> > >  General
> > >  Complete name :     C:\Users\x51085fr\Videos\video-001.mp4
> > >  Format :    QuickTime
> > >  Format/Info :       Original Apple specifications
> > >  File size :         9.44 MiB
> > >  Encoded date :      UTC 2015-09-21 09:20:09
> > >  Tagged date :       UTC 2015-09-21 09:20:09
> > >
> > >
> > > Thanks a lot !!!!
> > >
> > >
> > >
> > >
> > >
> > >
> > > 2015-09-21 10:25 GMT+02:00 Thornton, Keith [via GStreamer-devel]
> > > <[hidden email]>:
> > > Not h264_parse, try h264parse ! video/x-h264,stream
> > > -format=”avc”,alignment=”au” ! mp4mux
> > >
> > >
> > >
> > >
> > > Von: gstreamer-devel [mailto:[hidden email]] Im Auftrag von Julio
> > > Franco
> > > Gesendet: Montag, 21. September 2015 09:52
> > > An: Discussion of the development of and with GStreamer
> > > Betreff: Re: AW: RTP H264 encoding problem - bad files duration
> > >
> > > Tried with this pipeline :
> > >
> > >  gst-launch-1.0 udpsrc port=9000 caps="application/x-rtp,
> > > media=video, clock-rate=(int)90000, encoding-name=H264" !
> > > rtph264depay ! h264_parse ! mp4mux ! fakesink dump=true
> > >
> > > And receive the error: " Downstream is not seekable - will not be
> > > able to create a playable file  "
> > >
> > > I can not set caps properties to h264_parse ...
> > >
> > >
> > >
> > > 2015-09-21 9:42 GMT+02:00 Thornton, Keith <[hidden email]>:
> > > Have you tried putting h264parse and perhaps a caps filter for
> > > stream-format=avc,alignment=au between rtph264depay and mp4mux
> > >
> > > -----Ursprüngliche Nachricht-----
> > > Von: gstreamer-devel [mailto:[hidden email]] Im Auftrag von Julio
> > > Gesendet: Montag, 21. September 2015 09:09
> > > An: [hidden email]
> > > Betreff: Re: AW: RTP H264 encoding problem - bad files duration
> > >
> > > Hi Keith.
> > >
> > > I've tried with miltifilesink, but with the same result. I think
> > > that the problem is packets are comming to me with the start time
> > > udpsrc begin to work, and I´m not able to changue it ....
> > >
> > > And I´m decoding -reencoding because I can not connect directly
> > > rtph264depay to the mp4mux, I get an error " can connect depay to
> > > muxer ".
> > >
> > > Any idea about reset timestamps or something like that ??
> > >
> > > Thanks a lot !!
> > >
> > >
> > >
> > >
> > > --
> > > View this message in context: http://gstreamer-devel.966125.n4.nabb
> > > le.com/RTP-H264-encoding-problem-bad-files-duration
> > > -tp4673714p4673742.html
> > > Sent from the GStreamer-devel mailing list archive at Nabble.com.
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> > > em-bad-files-duration-tp4673714p4673746.html
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> > > View this message in context: Re: AW: RTP H264 encoding problem -
> > > bad files duration
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> > >
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> > >
> >
> > View this message in context: Re: AW: RTP H264 encoding problem - bad
> > files duration
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> --
> Tim Müller, Centricular Ltd - http://www.centricular.com
>
> Join us at the GStreamer Conference: 8-9 October 2015 in Dublin, Ireland
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