[gst-devel] muxing streams

Henrique Ferreiro García henrique.ferreiro at gmail.com
Mon Oct 6 13:24:51 CEST 2008 

I don't want to reencode the streams, just change its container.

O Lun, 06-10-2008 ás 15:06 +0530, Irfan Shaikh escribiu:
> gst-launch filesrc location=filemkv ! decodebin name=d avimux
> name=mux ! filesink location=file.avi d. ! queue ! videoscale !
> ffenc_msmpeg4 ! queue ! mux. d. ! queue ! ffenc_mp2 ! mp3parse !
> queue ! mux.
> 
> 
> If these encoders do not wrk try some other encoders.
> 
> 
> -----Original Message-----
> From: Henrique Ferreiro García [mailto:henrique.ferreiro at gmail.com]
> Sent: Mon 10/6/2008 2:08 PM
> To: Discussion of the development of GStreamer
> Subject: Re: [gst-devel] muxing streams
> 
> The whole story is that I tried with the original file like this:
> 
> $ gst-launch-0.10 filesrc location=file.mkv ! matroskademux name=d
> d.video_00 ! queue ! m.video_00 d.audio_00 ! m.audio_00 avimux
> name=m !
> filesink location=file.avi
> 
> but it gets stuck with this output:
> 
> Setting pipeline to PAUSED ...
> Pipeline is PREROLLING ...
> 
> So I tried demuxing it first using:
> 
> $ gst-launch-0.10 filesrc location=file.mkv ! matroskademux name=d
> d.video_00 ! queue ! filesink location=mkv.0 d.audio_00 ! filesink
> location=mkv.1
> 
> which also gets stuck without putting a queue element between the
> audio
> output and the filesink.
> 
> But then I checked that the video stream extracted seemed to be
> corrupted because it wasn't recognised by the file command and it is
> different from the output produced by mkvextract whose output is
> recognised by file.
> 
> Should I file bug reports for theses issues?
> 
> O Dom, 05-10-2008 ás 21:43 +0200, Mark Nauwelaerts escribiu:
> > Most likely the problem below is that avimux refuses the caps
> because they do
> > not provide width and height, which are not parsed from the stream
> and put in
> > the caps by h264parse.
> > (see also http://bugzilla.gnome.org/show_bug.cgi?id=530513)
> >
> > Besides this, codec_data is not provided either, which may not
> prevent muxing
> > but likely causes problems further down when trying to play.  Having
> no
> > codec_data on the input caps also makes h264parse believe the input
> is
> > bytestream format, which it may not be as it extracted from a
> framed/packetised
> > source.  Bottom line; this approach is (presently) not quite
> recommended.
> >
> > Mark.
> >
> > Henrique Ferreiro García wrote:
> > > I changed the pipeline to:
> > >
> > > gst-launch-0.10 filesrc location=mkv.0 ! h264parse ! queue !
> mux.video_0
> > > avimux name=mux ! filesink location=house.avi filesrc
> location=mkv.1 !
> > > mux.audio_0 --gst-debug=2
> > >
> > > and this was the result:
> > >
> > > Setting pipeline to PAUSED ...
> > > Pipeline is PREROLLING ...
> > > 0:00:00.052419476 11389       0x776610 WARN                avimux
> > > gstavimux.c:614:gst_avi_mux_vidsink_set_caps:<mux> refused caps
> > > video/x-h264
> > > 0:00:00.075471765 11389       0x797770 WARN               basesrc
> > > gstbasesrc.c:2240:gst_base_src_loop:<filesrc0> error: Internal
> data flow
> > > error.
> > > 0:00:00.075544262 11389       0x797770 WARN               basesrc
> > > gstbasesrc.c:2240:gst_base_src_loop:<filesrc0> error: streaming
> task
> > > paused, reason not-negotiated (-4)
> > > ERROR: from element /pipeline0/filesrc0: Internal data flow error.
> > > Additional debug info:
> > > gstbasesrc.c(2240): gst_base_src_loop (): /pipeline0/filesrc0:
> > > streaming task paused, reason not-negotiated (-4)
> > > ERROR: pipeline doesn't want to preroll.
> > > Setting pipeline to NULL ...
> > > FREEING pipeline ..
> > >
> > > O Mar, 30-09-2008 ás 18:04 +0530, ved kpl escribiu:
> > >> Hi,
> > >>
> > >> You probably need the elementary stream parser elements after the
> filesrc.
> > >> The muxer is unware of the data format that is getting.
> > >>
> > >> Ved
> > >>
> > >> On Tue, Sep 30, 2008 at 3:11 PM, Henrique Ferreiro García
> > >> <henrique.ferreiro at gmail.com> wrote:
> > >>> Hi all!
> > >>>
> > >>> I have extracted the video and audio streams from a matroska
> file
> > >>> getting:
> > >>>
> > >>> mkv.0: JVT NAL sequence, H.264 video @ L 31
> > >>> mkv.1: ATSC A/52 aka AC-3 aka Dolby Digital stream, 48 kHz,,
> complete
> > >>> main (CM) 3 front/2 rear, LFE on,, 448 kbit/s reserved Dolby
> Surround
> > >>> mode
> > >>>
> > >>> Afterwards, I have run the following:
> > >>>
> > >>> gst-launch-0.10 filesrc location=mkv.0 ! queue ! mux.video_0
> avimux
> > >>> name=mux ! queue ! filesink location=house.avi filesrc
> location=mkv.1 !
> > >>> queue ! mux.audio_0
> > >>>
> > >>> But the end result is a unplayable file. This is the output from
> > >>> mplayer:
> > >>>
> > >>> AVI file format detected.
> > >>> [aviheader] Video stream found, -vid 0
> > >>> [aviheader] Audio stream found, -aid 1
> > >>> Detected NON-INTERLEAVED AVI file format.
> > >>> VIDEO:  []  0x0  0bpp    nan fps  -17179870.0 kbps (-2097152.0
> kbyte/s)
> > >>> FPS not specified in the header or invalid, use the -fps option.
> > >>>
> ==========================================================================
> > >>> Forced audio codec: mad
> > >>> Opening audio decoder: [pcm] Uncompressed PCM audio decoder
> > >>> Unknown/missing audio format -> no sound
> > >>> ADecoder init failed :(
> > >>> Cannot find codec for audio format 0x0.
> > >>> Read DOCS/HTML/en/codecs.html!
> > >>> Audio: no sound
> > >>> Video: no video
> > >>>
> > >>> Am I doing something wrong?
> > >>>
> > >>> --
> > >>> Henrique Ferreiro García <henrique.ferreiro at gmail.com>
> > >>>
> > >>>
> > >>>
> -------------------------------------------------------------------------
> > >>> This SF.Net email is sponsored by the Moblin Your Move
> Developer's challenge
> > >>> Build the coolest Linux based applications with Moblin SDK & win
> great prizes
> > >>> Grand prize is a trip for two to an Open Source event anywhere
> in the world
> > >>> http://moblin-contest.org/redirect.php?banner_id=100&url=/
> > >>> _______________________________________________
> > >>> gstreamer-devel mailing list
> > >>> gstreamer-devel at lists.sourceforge.net
> > >>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
> > >>>
> > >>
> -------------------------------------------------------------------------
> > >> This SF.Net email is sponsored by the Moblin Your Move
> Developer's challenge
> > >> Build the coolest Linux based applications with Moblin SDK & win
> great prizes
> > >> Grand prize is a trip for two to an Open Source event anywhere in
> the world
> > >> http://moblin-contest.org/redirect.php?banner_id=100&url=/
> > >> _______________________________________________
> > >> gstreamer-devel mailing list
> > >> gstreamer-devel at lists.sourceforge.net
> > >> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
> >
> >
> -------------------------------------------------------------------------
> > This SF.Net email is sponsored by the Moblin Your Move Developer's
> challenge
> > Build the coolest Linux based applications with Moblin SDK & win
> great prizes
> > Grand prize is a trip for two to an Open Source event anywhere in
> the world
> > http://moblin-contest.org/redirect.php?banner_id=100&url=/
> > _______________________________________________
> > gstreamer-devel mailing list
> > gstreamer-devel at lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
> --
> Henrique Ferreiro García <henrique.ferreiro at gmail.com>
> 
> 
> -------------------------------------------------------------------------
> This SF.Net email is sponsored by the Moblin Your Move Developer's
> challenge
> Build the coolest Linux based applications with Moblin SDK & win great
> prizes
> Grand prize is a trip for two to an Open Source event anywhere in the
> world
> http://moblin-contest.org/redirect.php?banner_id=100&url=/
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
> 
> 
> 
> This message (including any attachment) is confidential and may be
> legally privileged. Access to this message by anyone other than the
> intended recipient(s) listed above is unauthorized. If you are not the
> intended recipient you are hereby notified that any disclosure,
> copying, or distribution of the message, or any action taken or
> omission of action by you in reliance upon it, is prohibited and may
> be unlawful. Please immediately notify the sender by reply e-mail and
> permanently delete all copies of the message if you have received this
> message in error.
> 
> -------------------------------------------------------------------------
> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge
> Build the coolest Linux based applications with Moblin SDK & win great prizes
> Grand prize is a trip for two to an Open Source event anywhere in the world
> http://moblin-contest.org/redirect.php?banner_id=100&url=/
> _______________________________________________ gstreamer-devel mailing list gstreamer-devel at lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
-- 
Henrique Ferreiro García <henrique.ferreiro at gmail.com>

More information about the gstreamer-devel mailing list