It seems impossible to handle interruptions while waiting on a
condition variable otherwise.

In particular, a single vlc_cond_wait_i11e() function would be
intrinsically prone to deadlocks:
 - It would need to acquire the interrupt context lock while the caller
   already holds the mutex corresponding to the condition variable, but
 - the interrupt callback would need to acquire the mutex while holding
   the interrupt context lock.
This would be a classic lock inversion race.

This addition should also enable hooking with other libraries, such as
Glib´s GCancellable.

Be very careful when using these two new functions. VLC does not
support stacking interrupt handlers (at least not currently). So there
MUST NOT be any call to another interruptible function between
vlc_interrupt_register() and vlc_interrupt_unregister().

This implements reading and seeking files and streams.

This provides an abstraction around HTTP requests and responses,
independent of the HTTP version used.

This is a background task to send outgoing HTTP/2 frames. This avoids
blocking other threads if the underlying TCP connection is congested.

This avoids memory copying in the most common case that HTTP/2 headers
fit in a single HTT/2 frame.

Selecting the fullscreen monitor is not supported with native
fullscreen.

Since we have helpers to convert to AnnexB, we just
need to feed the NAL stream to packetizer instead
of parsing, converting and feeding it one by one.

CloseDecoder join the thread and clean up the decoder via CleanDecoder.

This commit improve MediaCodec performances and remove polling every 10 msecs
when DecodeCommon is waiting for an input or an output buffer.

One new thread is used for output: once an input buffer is queued, this thread
will wait indefinitely for a MediaCodec output buffer (this can be cancelled by
a flush).  This buffer will be queued to the video or audio output via
decoder_QueueVideo or decoder_QueueAudio.

This thread, and pf_decode call are locked by the same mutex. Only
mc->dequeue_in/mc->dequeue_out are not locked since these functions can block.

Fixes #15079

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Fixes late frames in sparse video streams (BluRay menus)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Fixes missing overlay when Demux() is not called enough often.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Avoids logging these as unhandled events.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Fix #16075
Signed-off-by: Andrea Giudiceandrea <andreaerdna@libero.it>
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>