switch audio stream every 2 seconds

[Lusine]

Hi Folks,

I have 2 input videos and I want to merge these videos. For output audio I want to select 2 seconds audio from the first video, then 2 seconds audio from the second video, then again 2 seconds from the first video and etc. How can I achieve this with gstreamer?

Regards,

Lusine

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[Thibault Saunier-4]

Hello,

You could do that quite easily with the GStreamer Editing Services: https://gstreamer.freedesktop.org/documentation/gst-editing-services/

In term of [ges-launch] it would look like:

```
ges-launch-1.0 +clip f1.mp4 track-types=audio d=2.0 +clip f2.mp4 track-types=audio d=2.0 +clip f1.mp4 track-types=audio d=2.0 +clip f2.mp4 track-types=audio d=2.0
```

Regards,

- Thibault

[ges-launch]: https://gstreamer.freedesktop.org/documentation/tools/ges-launch.html

On Thu, Oct 29, 2020 at 1:21 PM Lusine Hayrapetyan <[hidden email]> wrote:

Hi Folks,

I have 2 input videos and I want to merge these videos. For output audio I want to select 2 seconds audio from the first video, then 2 seconds audio from the second video, then again 2 seconds from the first video and etc. How can I achieve this with gstreamer?

Regards,

Lusine

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[Mandar Joshi]

Hello,

Just in case you want to do it programmatically for more control or may be for a custom written program, decoding everything and then using input-selector and re-encoding everything again should work.

Regards

Mandar

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