[Bug 729099] rtmpsrc: Crash due to unsafe thread handling in librtmp when setting state from PLAYING->PAUSED

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=729099

Jan Alexander Steffens (heftig) <jan.steffens at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |jan.steffens at gmail.com

--- Comment #3 from Jan Alexander Steffens (heftig) <jan.steffens at gmail.com> ---
It seems librtmp advertises only one means of interrupting operations in
progress: Setting the global variable RTMP_ctrlC to 1, then interrupting the
operation using a signal w/o restart, which will cause librtmp to error out on
EINTR.

Obviously, having to change global state is baaad when multiple independent
rtmp elements are being used.

I guess shutting down the socket at rtmp->m_sb.sb_socket is the easiest thing
to do in order to unlock the streaming thread. However, as mentioned above,
screwing with the socket prevents the session from being terminated cleanly.

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