lavc: move put_bits_left in put_bits.h
wmapro: make sure there is room to store the current packet

Prevent horrid and hard to trace struct overwrite.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
wmapro: return early on unsupported condition

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
wmapro: check num_vec_coeffs against the actual available buffer

Prevent yet another buffer overwrite.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Merge commit 'afe03092dd693d025d43e1620283d8d285c92772'

* commit 'afe03092dd693d025d43e1620283d8d285c92772':
  lavc: move put_bits_left in put_bits.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'e30b068ef79f604ff439418da07f7e2efd01d4ea'

* commit 'e30b068ef79f604ff439418da07f7e2efd01d4ea':
  wmapro: make sure there is room to store the current packet

The check is replaced by an assert as it is impossible to occur
See: 780d45473c32fa356c8ce385c3ea4692567c3228

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '6652338f43ef623045912d7f28b61adea05d27ae'

* commit '6652338f43ef623045912d7f28b61adea05d27ae':
  wmapro: return early on unsupported condition

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'qatar/master'

* qatar/master:
  wmapro: check num_vec_coeffs against the actual available buffer

Conflicts:
	libavcodec/wmaprodec.c

The check is replaced by an assert.

See: b21ba20cc83c80fe56192fee3626a8087f37d806

Merged-by: Michael Niedermayer <michaelni@gmx.at>
lpc: remove "decay" argument

We never used the rolling-average mode, and this makes av_update_lls 15% faster.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
lpc: use function pointers, in preparation for asm

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
x86: lpc: simd av_update_lls

4x-6x faster on sandybridge

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
x86: lpc: simd av_evaluate_lls

1.5x-1.8x faster on sandybridge

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
lpc: use levinson for the first pass of multipass cholesky

Levinson is faster, and cholesky is only needed if we want to apply different
weights to different samples, which doesn't happen on the first pass.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
doc/muxers: sort muxers by name
doc/muxers: apply various minor fixes to segment documentation
Avoid a null pointer dereference on oom when decoding vc1.

Fixes ticket #2723.
Propagate error return values from the smacker decoder.
Avoid a null pointer dereference on oom when decoding smacker.

Fixes ticket #2728.
Avoid a null pointer dereference on clean-up after oom in ac3 encoder.
Added codec ID to playback DNxHD

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>