Android Question Create video from photos

Almog · Sep 29, 2018

Hello,

Does anybody know if there is a way to create video from list of images with milisecond per photo, and also save the video?

Thanks in advance

MarkusR · Sep 29, 2018

the simplest is this
https://en.wikipedia.org/wiki/Motion_JPEG

or uncompressed bmp into avi is fast, u need compress later.

Erel · Sep 30, 2018

Example of creating a MJPEG stream: https://www.b4x.com/android/forum/threads/73792/#content

Almog · Sep 30, 2018

Erel said:
Example of creating a MJPEG stream: https://www.b4x.com/android/forum/threads/73792/#content

Thank you

Almog · Sep 30, 2018

MarkusR said:
the simplest is this
https://en.wikipedia.org/wiki/Motion_JPEG

or uncompressed bmp into avi is fast, u need compress later.

Thank you

ilan · Dec 31, 2018

i am also looking for a way to do that, i found this thread but i cannot understand how to do that. Erelslink from comment #3 is unclear to me how it show you how to create a video file from an array of bitmaps.

can someone please put some light in the darkness
thanx

Erel · Jan 1, 2019

If you want to create a real video then MJPEG is not really suitable. It can be useful if you want to create a short low FPS, silent "video".

ilan · Jan 1, 2019

Erel said:
If you want to create a real video then MJPEG is not really suitable. It can be useful if you want to create a short low FPS, silent "video".

i understand, acctually what i wanted to do is creating a slideshow of images with background music and export as a mp4 file. i saw that android has support for it using jcodec. i found this:

https://stackoverflow.com/questions...te-a-video-from-an-array-of-images-in-android

B4X:

import org.jcodec.api.awt.SequenceEncoder;
...
SequenceEncoder enc = new SequenceEncoder(new File("filename"));
// GOP size will be supported in 0.2
// enc.getEncoder().setKeyInterval(25);
for(...) {
    BufferedImage image = ... // Obtain an image to encode
    enc.encodeImage(image);
}
enc.finish();

i think it should be possible to do that with inline java code. i will try and see if i can get it to work.

inakigarm · Jan 1, 2019

ilan said:
i think it should be possible to do that with inline java code. i will try and see if i can get it to work.

From jcodec github, it seems that this could work also for Java SE (B4J)

CaptKronos · Jan 1, 2019

You could try using this library though it doesn't provide an option for adding sound to the video.

https://www.b4x.com/android/forum/threads/bitmaps-to-video.92465/

ilan · Jan 1, 2019

CaptKronos said:
You could try using this library though it doesn't provide an option for adding sound to the video.

https://www.b4x.com/android/forum/threads/bitmaps-to-video.92465/

Thanx a lot i will have a look at it

Android Question Create video from photos

Almog

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Erel

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