How to make v4l2src reload buffer in PAUSED state
dlwalter at protonmail.com
Fri Aug 14 18:14:15 UTC 2020
I was trying to send the flush_start and flush_stop using the following but wasn’t having luck getting new images from v4l2src (num-buffers=1)
Is this correct? Am I supposed to send this event to the pipeline object or the v4l2src object?
> To follow your design, you'd simply need to send two events into the
> pipeline, flush-start followed by flush-stop event. You'll have to bump
> multifilesink index each time othewise the index is also reset by the
> flush (and file will
> Now, why this is not idea is because while streaming, cameras run
> algorithm to improve image quality. Meaning that the very first image
> is not always in the best possible shape of what you camera can do.
> What applications open do, is build a pipeline with a "view finder" / a
> live preview of the image. And then can capture images on demand using
> "last-sample" property and gst_video_convert_sample() API. Or, for more
> advance usage, mais use a tee and other sinks, notably appsink.
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