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Hello,<br>
<br>
On 16/02/11 15:05, Babineau, Denis wrote:
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<p class="MsoNormal" style="">Hi<o:p></o:p></p>
<p class="MsoNormal" style=""><o:p> </o:p></p>
<p class="MsoNormal" style="">I’m experimenting with gst-launch
and different pipelines trying to get a better understanding
of the flow. Ultimately
I’d want to be able to mux multiple streams from different
sources
(files). However I’m having problems just demuxing and
remuxing a single
file.<o:p></o:p></p>
<p class="MsoNormal" style=""><o:p> </o:p></p>
<p class="MsoNormal" style="">The following works, however I
have to decode and re-encode which I don’t want to do:<o:p></o:p></p>
<p class="MsoNormal" style=""><o:p> </o:p></p>
<p class="MsoNormal" style="">gst-launch -v filesrc
location=test.ogg
! oggdemux name=demux demux. ! queue ! theoradec ! theoraenc !
queue ! mux.
demux. ! queue ! vorbisdec ! vorbisenc ! queue ! mux. oggmux
name=mux !
filesink location=new.ogg<o:p></o:p></p>
<p class="MsoNormal" style=""><o:p> </o:p></p>
<p class="MsoNormal" style="">The following doesn’t
work, everything looks ok, it goes to PLAYING but it just
stalls there and I
get an empty file:<o:p></o:p></p>
<p class="MsoNormal" style=""><o:p> </o:p></p>
<p class="MsoNormal" style="">gst-launch -v filesrc
location=test.ogg
! oggdemux name=demux demux. ! "video/x-theora" ! queue ! mux.
demux.
! "audio/x-vorbis" ! queue ! mux. oggmux name=mux ! filesink
location=new.ogg<o:p></o:p></p>
<p class="MsoNormal" style=""><o:p> </o:p></p>
<p class="MsoNormal" style="">I tried different permutations,
with queues, without queues but I can’t figure out why it’s
stalling ..<o:p></o:p></p>
<p class="MsoNormal" style=""><o:p> </o:p></p>
<p class="MsoNormal" style="">Thanks<o:p></o:p></p>
<p class="MsoNormal" style=""><o:p> </o:p></p>
<p class="MsoNormal" style="">Denis<span style="font-size: 10pt;
font-family: "Arial","sans-serif";
color: rgb(6, 42, 94);"><o:p></o:p></span></p>
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<br>
I had a similar problem some time ago (in a python program, not with
gst-launch). The solution was using a "multiqueue".<br>
<br>
Here is the thread (you can see the python programs in the files
attached to the posts):<br>
<br>
<a class="moz-txt-link-freetext" href="http://gstreamer-devel.966125.n4.nabble.com/Simple-ogg-pipeline-doesn-t-work-td3076883.html">http://gstreamer-devel.966125.n4.nabble.com/Simple-ogg-pipeline-doesn-t-work-td3076883.html</a><br>
<br>
Documentation:<br>
<br>
<a class="moz-txt-link-freetext" href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-plugins/html/gstreamer-plugins-multiqueue.html">http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-plugins/html/gstreamer-plugins-multiqueue.html</a><br>
<br>
Hope that helps,<br>
<br>
Andrés<br>
<br>
<br>
<br>
<br>
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