Only the original webm file seems to be played properly using playbin

Sebastian Dröge sebastian at centricular.com
Thu Dec 5 00:03:49 PST 2013


On Do, 2013-12-05 at 00:47 +0900, Lasse Laursen wrote:
> On 04-12-2013 17:35, Sebastian Dröge wrote:
> > Are you using an NVidia GPU? There seem to be some problems with NVidia
> > and Direct3D and d3dvideosink that cause problems like this.
> >
> > Still needs to be debugged by someone with access to such hardware.
> Good to know. So I can essentially assume that if I use an appsink right 
> after it's split off and been decoded into raw frames (and more 
> importantly before it hits the GPU), I can expect the raw frames to look 
> 'acceptable' despite the fact that they turn out all green and weird 
> using gst-launch?

You mean decoding the video and then re-encoding it or somehow storing
the raw frames? Yes, that should work fine.

See https://bugzilla.gnome.org/show_bug.cgi?id=712809 for the bug with
NVidia GPUs.

> > The missing decoders are all for formats for which you need to get a
> > patent license from the MPEG-LA, depending on the country you're in and
> > your legal requirements. WebM (i.e. Matroska with a VP8 video and Vorbis
> > audio stream) is a free format, that's why the decoders/demuxers for
> > this are included by default.
> >
> > You can install the missing decoders if you select them in the
> > installer, they're listed there as "restricted" codecs. Or just install
> > everything:)
> I should have figured. I snatched a webm recoder and had it chew on the 
> .mpg file. Runs fine now. That'll be a good enough solution for now. I 
> opted for the Miro Video Converter as the XMedia Recoder just crashes 
> upon encoding. Do you happen to have one you can recommend? The Miro one 
> is a little too... Hmmm... How should I say... Idiot-proof? for my liking.

What should the software do, what are your requirements?

-- 
Sebastian Dröge <sebastian at centricular.com>
Centricular Ltd - http://www.centricular.com
Expertise, Straight from the Source
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