vp8: Fix pthread_cond and pthread_mutex leaks

CC: libav-stable@libav.org

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
doc/platform: Remove part about dllimport

Only deprecated things need this at all anymore, as we have functions
to access them or they are no longer needed.

The document should not encourage use of deprecated APIs.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
decimate: check for avctx ptr before closing.

Fixes a crash init failed before setting avctx.
Merge remote-tracking branch 'qatar/master'

* qatar/master:
  doc/platform: Remove part about dllimport
  vp8: Fix pthread_cond and pthread_mutex leaks

Conflicts:
	doc/platform.texi

Merged-by: Michael Niedermayer <michaelni@gmx.at>
fate/filter: use aperms to test volume filter.
lavfi/volume: use copy props helper instead of incomplete manual code.
lavfi/volume: use designated initializers for the sample_fmts declaration.
doc/filters: fix width/height typo in crop filter.

Signed-off-by: Clément Bœsch <ubitux@gmail.com>
oma: Validate sample rates

The sample rate index is 3 bits even if currently index 5, 6 and 7 are
not supported.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
lavfi/overlay: fix debug PTS output in try_filter_frame()

The PTS of the input frames must be interpreted according to the input
timebase, which is not the same as the output timebase.
lavu/samplefmt: add av_samples_alloc_array_and_pointers()
examples/resampling_audio: make use of av_samples_alloc_array_and_samples()

Simplify.
cmdutils_common_opts: fix loglevel help text as its inaccurate

ffmpeg and ffplay use the loglevel as well as libpostproc, libswscale
and libswresample.

Also this makes the text shorter

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
cmdutils: allow forcing log line repeation

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
cmdutils: avtool -> fftool
cmdutils: support filters in the help topic system.
opt: attempt to improve options dump output.

Add some indent and remove the '-' prefix for filters.
dvdec: fix lowres=3 with yuv 4:1:1

Fixes Ticket2390

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
doxygen: dont strip code comments

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
doc: Remove list of format fields

These are available in the output of -formats.

Similarily, we do not list the fields for e.g. -codecs.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>