New, also help on dealing with multiple audio streams using gstreamer-rs
Michael Johnson
liquidmikerrs at gmail.com
Thu Dec 17 11:24:52 UTC 2020
Do you have a link to a video that has multiple audio streams for the test
case, I'm only finding single audio stream files
On Thu, 17 Dec 2020, 11:02 Sebastian Dröge, <sebastian at centricular.com>
wrote:
> On Thu, 2020-12-17 at 10:46 +0000, Michael Johnson wrote:
>
> Another point here, connecting to the audio-stream signal and printing the
> current-audio yields -1 until I physically close the window when it gets
> the correct audio stream here
>
>
> That seems wrong, please provide a testcase for that.
>
> Also, I imagine when I want to bind changing stream to a key press I need
> to emit this signal to be caught. But I can't access any data structures
> from the callback, so it'll always chose a constant stream. Am I missing
> something? here
>
>
> You can pass any heap allocated data without references to stack memory
> into the signal handler closure.
>
> A common pattern would be to store your state in a std::sync::Arc to give
> it reference counting, and use a std::sync::Mutex for getting interior
> mutability of whatever state you need to change.
>
> --
>
> Sebastian Dröge, Centricular Ltd · https://www.centricular.com
> <http://www.centricular.com>
>
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>
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