The Chromecast protocol is not a client server, all requests don't get an
answer and we can receive unexpected broadcasts.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

AddPendingEvent is protected in wxWindow so orignial example code don't compile. Access to this method should be made by using wxWindow::GetEventHandler()
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Close #16338

Since helpers use p_intf.

If set to true, then the user asked to store the password.

If open fails, either the file doesn't exist or permissions are wrong.

TODO: fix libdsm to return the good error code in case or bad permissions.

Deactivated by default since secret is not encrypted.

To use it (for test purpose only):
./vlc --keystore=plaintext --keystore-plaintext-file=<my_file> <url>

For future plaintext module.

as in 2012 spec

Since n2.9-dev-1400-g31741ae, the VLC avcodec plug-in will fail to
initialize hwaccel. This is by FFmpeg design.

If block comes from sys from previous read
and reaches zero payload, it will be double freed.

(happens when removing stream_filters between
demux/access)