is posible to make a video that keeps alpha channel of png pictures and Were is clip speed control in 1.3?

Although OpenShot can use PNG images with transparency, layering and mixing them together, and even on top of other video tracks, when OpenShot exports the video, it will no longer maintain the transparency. No video formats that I know of support an alpha channel, and if you export as an image sequence, it will always merge the video tracks on top of a black background, effectively removing the transparency.

As far as speed controls, assuming you are importing these "slides" as PNG images, you can just set the default image length in the OpenShot preferences to 7, 10, 15, 30 seconds (however many seconds makes sense), and add all the slides to your timeline with the "Add to Timeline" menu. Good luck!

Thanks!
-Jonathan

Thanks for responding so soon, I appreciate very much.

I read that some formats like quicktime indeed supports the transparency but I'm not shure with which codec they can do that, Please think about this as a technical challenge that I'm want to overcome, but thanks anyway.

About the second question, its just that I see in the manual page that you can import a video clip and then after you add to the timeline you can adjust the speed I n order to make it faster or slower . I just find it. It is for already rendered videos only.

Thanks for all. I believe Openshot is fantastic, greatly improved from Cinelerra days and you know I believe every addition that you do its going to be a great success. Congratulations guys!

> To: <email address hidden>
> From: <email address hidden>
> Subject: Re: [Question #155509]: is posible to make a video that keeps alpha channel of png pictures and Were is clip speed control in 1.3?
> Date: Mon, 2 May 2011 19:16:00 +0000
>
> Your question #155509 on OpenShot Video Editor changed:
> https://answers.launchpad.net/openshot/+question/155509
>
> Status: Open => Answered
>
> Jonathan Thomas proposed the following answer:
> Although OpenShot can use PNG images with transparency, layering and
> mixing them together, and even on top of other video tracks, when
> OpenShot exports the video, it will no longer maintain the transparency

Thanks Jonathan Thomas, that solved my question.

This is a great software, very usable and dependable in a broad sense, I just discover the arrangement of 4 images its grat! I just going to use it wright now.

Thanks for all, all the luck with this project.

Do you have an Spanish language translator yet?

I'm glad I was able to help. =) We have many Spanish translators currently, but can always use translation help when new strings are added: https://translations.launchpad.net/openshot. Thanks!

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