[gst-devel] VC-1 support on Windows and other platforms
edward.hervey at collabora.co.uk
Sat Mar 29 12:31:59 CET 2008
Even though VC1 support was added a long time ago in ffmpeg,
gst-ffmpeg uses specific revisions of upstream ffmpeg (for reasons
outside the scope of this mail).
The latest release of gst-ffmpeg (0.10.2) was still using a revision
from a long time ago.
The current cvs head of gst-ffmpeg uses a much recent revision, with
which VC1 indeed works.
You could also, if you're on windows, use the directshow wrappers
available in -bad. They will provide VC1 support (amongst other
On Fri, 2008-03-28 at 16:42 -0500, Andreas Schuler wrote:
> Hi all,
> I am currently evaluating GStreamer for a project I am working on. The
> bulk of the content I am dealing with is encoded in VC-1 (WMA for
> audio). I have spent quite a bit of time getting more familiar with
> the GStreamer concepts but I have not been able to play back a WMV
> file (with VC-1 encoded video) yet.
> I have tried using the playbin, playbin2, as well as a custom built
> pipeline (using the decodebin). I also tried with the ASF demuxer so I
> could inspect the video caps at its output. There I was able to
> confirm that the fourcc is correctly identified as WMVC1.
> Despite a number of attempts I have not been able to get my WMV file
> to show any video (audio is working fine). I have tried other files
> (xvid encoded), which are working fine.
> I assumed that this should work since ffmpeg has been supporting VC-1
> decoding for some time now.
> I am using the following versions (mainly because those are the most
> recent Windows binaries available):
> GStreamer: 0.10.17
> gst-plugins-base: 0.10.17
> gst-plugins-good: 0.10.7
> gst-plugins-bad: 0.10.6
> gst-plugins-ugly: 0.10.7
> gst-ffmpeg: 0.10.2
> Can anyone tell me whether VC-1 is currently supported by GStreamer
> (on Windows and other platforms), or whether there must be a problem
> with my setup somehow? Also, if VC-1 currently isn't supported, are
> there any plans to include that in the near future? And, will VC-1
> encoding also available at some point?
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