On Thu, Mar 14, 2013 at 11:45 AM, Dan Dennedy <d...@dennedy.org> wrote: > On Wed, Mar 13, 2013 at 10:26 PM, Rajiv Kumar <ra...@manusis.com> wrote: >> Is there a way in MLT to create a video with transparent background? >> > > Yes, when using the decklink consumer, when you set keyer=1, then it > will produce a keyed SDI output. When you are using the avformat > consumer, you need to set mlt_image_format=rgb24a and use a suitable > output format that has alpha channel such as PNG. I do not know what > all video file formats have an alpha channel. Then, you need to either > give MLT source files with an alpha channel or apply a filter that > affects the alpha channel. There are some frei0r plugins that can > alter the alpha channel.
Sorry, I made a mistake. The avformat consumer is not capable of alpha channel output at this time. I will add it to my to-do list. -- +-DRD-+ ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_mar _______________________________________________ Mlt-devel mailing list Mlt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mlt-devel