[Libav-user] is avio_write() thread-safe

[Michael Armes]

I'm going to cut and paste from a previous answer I've given on this forum:

"See https://stackoverflow.com/questions/13888915/thread-safety-of-libav-
ffmpeg for more details. There are a few particular methods that have
thread safety
concerns: writing frames is one. Opening a codec is also not thread safe:
https://stackoverflow.com/questions/15366441/ffmpeg
-which-functions-are-multithreading-safe ."

Follow the directions in the StackOverflow response to create your own lock
manager. It's relatively straightforward.

On Fri, Aug 2, 2019 at 10:19 AM Gonzalo Garramuño <ggarra13 at gmail.com>
wrote:

>
> El 1/8/19 a las 10:35, qw escribió:
>
> Hi,
>
> I have one question:
>
> Is avio_write() thread-safe?
>
> Are those functions thread-safe, i.e. fprintf() and fflush() ?
>
> No.
>
> --
> Gonzalo Garramuño
>
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