Building a pipeline to merge two audio tracks, use a video track, and add a watermark

Frans van Berckel fberckel at
Thu Mar 24 10:47:47 PDT 2011

Would the GNonLin plug-in fits what you are looking for?

Frans van Berckel

On Thu, 2011-03-24 at 13:31 -0400, Ayron Jungren wrote:
> Hello,
> I'm trying to build a pipeline that accepts three files as input (two
> videos, and an alpha PNG). The pipeline needs to combine the two audio
> tracks from the videos, use the video track of the first video file
> (ignoring the video track of the second), and add in the alpha PNG as a
> watermark. I've tried gst-launch but I can't seem to get the pipeline
> right. I'm not against using the C API either, and I've read over the
> documentation on fd.o, but I can't think of a good starting point to
> build the right pipeline. Any assistance would be greatly appreciated.
> Ayron Jungren

More information about the gstreamer-devel mailing list