demux/remux pipeline hangs when audio is added

Robert Krakora rob.krakora at messagenetsystems.com
Wed Oct 2 12:45:23 PDT 2013 

Sorry, I was testing with gstreamer 0.10...mis typed gst-launch-0.10 to
gst-launch-1.0...will test with gst-launch-1.0...


On Wed, Oct 2, 2013 at 3:37 PM, Carah Smith <carah29ingress at gmail.com>wrote:

> I do not have the plugin ffmpegcolorspace. I am assuming it is just not
> installed because I am missing a library or something. Can you tell me
> where it is located in the plugin structure? I am using gstreamer 1.0. I
> didn't see it listed on the plugin overview page in the documentation.
>
>
> On Wed, Oct 2, 2013 at 1:22 PM, Robert Krakora <
> rob.krakora at messagenetsystems.com> wrote:
>
>> This works for me...
>>
>> gst-launch-1.0 uridecodebin
>> uri=file:///home/silentm/MessageNet/bbb24p_00.ts name=bin ! queue !
>> ffmpegcolorspace ! xvidenc ! mpegtsmux name=mux ! hlssink bin. ! queue !
>> audioconvert ! faac ! mux.
>>
>>
>> On Wed, Oct 2, 2013 at 2:30 PM, Carah Smith <carah29ingress at gmail.com>wrote:
>>
>>> Sorry, put that on the wrong thread...
>>>
>>>
>>> On Wed, Oct 2, 2013 at 12:29 PM, Carah Smith <carah29ingress at gmail.com>wrote:
>>>
>>>> Thanks! I will try adding queues etc. Robert, I tried your command line
>>>> gst-launch and it still hangs... Here is the output:
>>>>
>>>> gst-launch-1.0 filesrc location=stream_1.ts ! tsdemux name=demux !
>>>> queue ! mpegvideoparse ! mpeg2dec ! x264enc ! mpegtsmux name=mux ! hlssink
>>>> demux. ! queue ! a52dec ! audioconvert ! faac ! mux.
>>>> Setting pipeline to PAUSED ...
>>>> Pipeline is PREROLLING ...
>>>> Redistribute latency...
>>>> Redistribute latency..
>>>>
>>>>
>>>>  Message: 3
>>>>> Date: Wed, 2 Oct 2013 13:46:50 -0400
>>>>> From: Robert Krakora <rob.krakora at messagenetsystems.com>
>>>>> To: Discussion of the development of and with GStreamer
>>>>>         <gstreamer-devel at lists.freedesktop.org>
>>>>> Subject: Re: demux/remux pipeline hangs when audio is added
>>>>> Message-ID:
>>>>>         <
>>>>> CA+Dpatg7NtwTBG_eCHGSPsgpgpk_wwVzz1su2f3_BLdGQhGtoA at mail.gmail.com>
>>>>> Content-Type: text/plain; charset="iso-8859-1"
>>>>>
>>>>>
>>>>> Something like this Tim?
>>>>>
>>>>> gst-launch filesrc location=<path> ! tsdemux name=demux ! queue
>>>>> ! mpegvideoparse ! mpeg2dec ! x264enc ! mpegtsmux name=mux ! hlssink
>>>>> demux.
>>>>> ! queue ! a52dec ! audioconvert ! faac ! mux.
>>>>>
>>>>>
>>>>> On Wed, Oct 2, 2013 at 1:38 PM, Tim-Philipp M?ller <t.i.m at zen.co.uk>
>>>>> wrote:
>>>>>
>>>>> > On Wed, 2013-10-02 at 11:19 -0600, Carah Smith wrote:
>>>>> >
>>>>> > Hi,
>>>>> >
>>>>> > > I am trying to make a pipeline that takes a transport stream in,
>>>>> > > demuxes it, does some transcoding, remuxes, and sends it to a sink.
>>>>> > > I can make it work if I only have video in the pipeline or if I
>>>>> only
>>>>> > > have audio but once I add both, the application hangs. Here is my
>>>>> > > source code (I removed all the error checking for emailing to
>>>>> reduce
>>>>> > > line length):
>>>>> >
>>>>> > You need a queue in each branch right after the demuxer. This is
>>>>> needed
>>>>> > for the "preroll" mechanism to work properly, which blocks the
>>>>> pushing
>>>>> > thread in the sink waiting for the 'Go!', but the pipeline won't
>>>>> start
>>>>> > unless all sinks have data, which they won't get if you don't use
>>>>> > queues.
>>>>> >
>>>>> > You might also want/need a parser in front of each decoder.
>>>>> >
>>>>> > Cheers
>>>>> >  -Tim
>>>>> >
>>>>> >
>>>>> > _______________________________________________
>>>>> > gstreamer-devel mailing list
>>>>> > gstreamer-devel at lists.freedesktop.org
>>>>> > http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>>>> >
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>>
>>>>> Rob Krakora,
>>>>> Senior Software Engineer
>>>>>
>>>>> MessageNet Systems
>>>>> 101 E Carmel Dr, Suite 105
>>>>> Carmel, IN 46032
>>>>>
>>>>> MessageNetSystems.com<
>>>>> http://www.messagenetcommunicationsystems.com/?utm_source=email+signature&utm_medium=email&utm_campaign=email+signature+to+homepage
>>>>> >
>>>>> Rob.Krakora at MessageNetSystems.com <rob.krakora at messagenetsystems.com>
>>>>>
>>>>> P: 317.566.1677, 212
>>>>> F: 317.663.0808
>>>>>
>>>>> For the latest news, information, and blogs, please be sure to visit,
>>>>> follow, and like us...
>>>>>
>>>>> <
>>>>> http://www.messagenetcommunicationsystems.com/get-the-message-out-blog/?utm_source=email+signature&utm_medium=email&utm_campaign=gmail+signature+to+blog
>>>>> >
>>>>>    <http://www.youtube.com/user/MessageNetConnection/feed>
>>>>> <http://www.linkedin.com/company/messagenet-systems>
>>>>>    <http://twitter.com/MessageNet>  <
>>>>> http://www.facebook.com/MessageNetsystems>
>>>>> -------------- next part --------------
>>>>> An HTML attachment was scrubbed...
>>>>> URL: <
>>>>> http://lists.freedesktop.org/archives/gstreamer-devel/attachments/20131002/d865d46b/attachment.html
>>>>> >
>>>>>
>>>>> ------------------------------
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> gstreamer-devel mailing list
>>>>> gstreamer-devel at lists.freedesktop.org
>>>>> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>>>>
>>>>>
>>>>> End of gstreamer-devel Digest, Vol 33, Issue 11
>>>>> ***********************************************
>>>>>
>>>>
>>>>
>>>
>>> _______________________________________________
>>> gstreamer-devel mailing list
>>> gstreamer-devel at lists.freedesktop.org
>>> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>>
>>>
>>
>>
>> --
>>
>> Rob Krakora,
>> Senior Software Engineer
>>
>> MessageNet Systems
>> 101 E Carmel Dr, Suite 105
>> Carmel, IN 46032
>>
>> MessageNetSystems.com<http://www.messagenetcommunicationsystems.com/?utm_source=email+signature&utm_medium=email&utm_campaign=email+signature+to+homepage>
>> Rob.Krakora at MessageNetSystems.com <rob.krakora at messagenetsystems.com>
>>
>> P: 317.566.1677, 212
>> F: 317.663.0808
>>
>>  For the latest news, information, and blogs, please be sure to visit,
>> follow, and like us...
>>
>>
>> <http://www.messagenetcommunicationsystems.com/get-the-message-out-blog/?utm_source=email+signature&utm_medium=email&utm_campaign=gmail+signature+to+blog>
>>    <http://www.youtube.com/user/MessageNetConnection/feed>  <http://www.linkedin.com/company/messagenet-systems>
>>    <http://twitter.com/MessageNet>  <http://www.facebook.com/MessageNetsystems>
>>
>> _______________________________________________
>> gstreamer-devel mailing list
>> gstreamer-devel at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>
>>
>
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>
>


-- 

Rob Krakora,
Senior Software Engineer

MessageNet Systems
101 E Carmel Dr, Suite 105
Carmel, IN 46032

MessageNetSystems.com<http://www.messagenetcommunicationsystems.com/?utm_source=email+signature&utm_medium=email&utm_campaign=email+signature+to+homepage>
Rob.Krakora at MessageNetSystems.com <rob.krakora at messagenetsystems.com>
P: 317.566.1677, 212
F: 317.663.0808

For the latest news, information, and blogs, please be sure to visit,
follow, and like us...

<http://www.messagenetcommunicationsystems.com/get-the-message-out-blog/?utm_source=email+signature&utm_medium=email&utm_campaign=gmail+signature+to+blog>
   <http://www.youtube.com/user/MessageNetConnection/feed>
<http://www.linkedin.com/company/messagenet-systems>
   <http://twitter.com/MessageNet>  <http://www.facebook.com/MessageNetsystems>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/gstreamer-devel/attachments/20131002/cdcebe2d/attachment.html>

More information about the gstreamer-devel mailing list