Hi Dan,
Do you plan to add the support for generating transparent videos to MTL
soon? Please let us know as we need this feature urgently.
Thanks,
Rajiv
On Sat, Mar 23, 2013 at 1:47 PM, Rajiv Kumar <ra...@manusis.com> wrote:
> Hi Dan,
>
> We need this feature for our current project. Could you please let us know
> if there is a plan to add this feature sometime soon?
>
> Is there a work around the problem?
>
> Thanks,
> Rajiv
>
>
> On Fri, Mar 15, 2013 at 1:34 AM, Dan Dennedy <d...@dennedy.org> wrote:
>
>> 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-+
>>
>
>
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