[Interest] Video file generation from Qt application, other than FFmpeg

[Phil Weinstein]

Samuel, thanks for your response.

It looks like *FFmpeg* is really NOT an option for *commercial 
applications* -- See for example: https://www.ffmpeg.org/legal.html (see 
especially the "Note that FFmpeg ..." sentence and the last two 
paragraphs on the page).

I see that *OpenCV* ... http://opencv.org/ ... states that it's "free 
for both academic and commercial use", but there seem to be issues with 
this, e.g. as raised on this thread: "OpenCV Free for Commercial use" 
... 
http://answers.opencv.org/question/73877/opencv-free-for-commercial-use/

We really need to be squeaky clean on licensing. So we may be willing to 
pay a reasonable fee for the ability to *generate (create) video FILES* 
given a sequence of QImages or QPixmaps. (Or at least with the 
possibility of getting frame image DATA from either of those Qt classes 
into the thing).

Can anyone point me to authoritative information delineating why /and 
how/ these things CAN be used in commercial applications?

- Phil


On 1/21/2016 1:46 PM, Samuel Gaist wrote:
> On 21 janv. 2016, at 21:15, Phil Weinstein<philw at indra.com>  wrote:
>
>> We will not be able to use the FFmpeg library for video generation from our Qt application. Are there any other tools/products usable with Qt which can do basic generation of video files, given a sequence of QImages or QPixmaps? We don't need audio with the video.
>>
>> (Sorry for the repost. My original message went deep into a completely unrelated thread).
> Hi,
>
> Out of curiosity, why can't you use ffmpeg ?
>
> There's VLClib that you can use but it's also ffmpeg based so it could be problematic.
>
> OpenCV can also create video files.
>
> Hope it helps
> Samuel
>

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