convert wmv to ogv

[Mark Howell]

On 06/18/2015 01:19 PM, Jerry Geis wrote:
> Mark - thanks that gets me closer, one too many "!" ...
> >If you are trying to name the decodebin "demux", remove the "!" in
> >"...decodebin ! name=demux..." ?
> now I get:
>
> gst-launch filesrc location=../trailer_videos/Amazon_1080.wmv '!' 
> decodebin name=demux '!' queue '!' ffmpegcolorspace '!' theoraenc '!' 
> oggmux name=mux '!' filesink location=../Amazon.ogv demux. '!' queue 
> '!' progressreport '!' audioconvert '!' audioresample '!' vorbisenc 
> '!' mux.
> Setting pipeline to PAUSED ...
> Pipeline is PREROLLING ...
> Missing element: video/x-fluendo-va decoder
> Redistribute latency...
> ^CCaught interrupt -- handling interrupt.
> Interrupt: Stopping pipeline ...
> ERROR: pipeline doesn't want to preroll.
> Setting pipeline to NULL ...
> Freeing pipeline ...
>
> Thoughts? thanks again.
>
> Jerry
>
>
> [snip]

Just thoughts on how to proceed, I don't have a ready answer. I rarely 
use decodebin, but it looks like it is trying to find a decoder for 
video cap video/x-fluendo-va, that it can't load for some reason, or 
doesn't exist on your system.

Try using GST_DEBUG=<blah>:<x> (see 
http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gst-running.html) 
in front of gst-launch to watch the file format discovery and caps 
negotiation. Be prepared for an avalanche of output.

Also to see what you have installed that handles video/x-fluendo-va, try:

$ gst-inspect -a | grep x-fluendo-va

Perhaps that file can be decoded with filesrc ! avidemux ! ffdec_wmv<n> ?

Last, obligatory suggestion to use gstreamer 1.x if you can 
(gst-launch-1.0; gst-launch on your system might link to gstreamer 0.10 
stuff).

Cheers,

Mark.
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