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Some were missing, and that's a subset of
ISO/IEC 23001-8:2016

This is a partial revert of f18fef32

This commit fixes the delay imprecision that was depending on the number of
frames asked by the render callback. This also fixes audio glitches (due to
flush/resampling) when this number of frames was changed (when the screen is
OFF for example).

Remove the usage of TPCircularBuffer and multiple atomic variables that start
to make this code way too complicated. Replace it by os_unfair_lock and a block
chain.

os_unfair_lock is a safe spinlock that waits in the kernel in case of thread
contention.

Fallback to pthread_mutex_t if os_unfair_lock is not availaible (before macOS
10.12 / iOS 10.0).

The unfairness of this new lock is not an issue here since both locking threads
(the render callback and the VLC DecoderThread calling aout_DecPlay) will be
automatically paced (and will let the other thread take the lock). Indeed, the
render thread need a sample every 22 or 88ms, and the DecoderThread will wait
for the decoder, wait in the decoder lock, or wait from the aout if the FIFO is
full.

This reverts commit 31018887.

refs #19874

(cherry picked from commit 1f1291aedc994dc218bfc5b9ab3ba0a32c19909b)
Signed-off-by: Hugo Beauzée-Luyssen <hugo@beauzee.fr>

refs #19874

(cherry picked from commit 0720cec581ae3cd6228edd8d6567ad5b30910027)
Signed-off-by: Hugo Beauzée-Luyssen <hugo@beauzee.fr>

And revector a bit
refs #19874

(cherry picked from commit c1becb6c89f222f4d16b4ffd970ce5394d599938)
Signed-off-by: Hugo Beauzée-Luyssen <hugo@beauzee.fr>

:sub-file doesn't accept URL
Signed-off-by: Hugo Beauzée-Luyssen <hugo@beauzee.fr>

We detect whether math functions are located in -lm in configure.ac.
Reuse the deliberable of this check and link libcompat with $(LIBM).
This is required at least for sincos() functions and it has been
reported as required on NetBSD 8.0.
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

Adds support in Media Foundation (MFT) module to use decoders whose FCC is
not found from the hardcoded list. Improves compatibility and adds support
for common uncompressed formats decoders might prefer.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

This commit fixes a crash on Debian Stretch and Ubuntu 17.10 when you fallback
from VDPAU (GLX forced) to SW decoding (EGL by default).

Fixes #19982

Indeed, this variable can be "any" if it was previously reset from preference
settings.

Do the 3 values in one pass. This allow doing tone mapping even on 9.1
compatible GPUs which have a restricted number of instructions/slots.

That only happens when D3D11 is forced on Win7

The calculation was wrong, we should compare the length of the previous block.

Regression from 1f246d26