012v: remove double ; and return correct error code if ff_get_buffer() fails

Signed-off-by: Paul B Mahol <onemda@gmail.com>
(cherry picked from commit 25160236957647d81e8beecd6c8fb7f1949fc26e)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
error_concealment: Check that the picture is not in a half setup state.

Fixes state becoming inconsistent
Fixes a null pointer dereference

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 23318a57358358e7a4dc551e830e4503f0638cfe)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec_decode_audio: do not trust the channel layout, use the channel count.

Fixes memory corruption

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit d270c3202539e8364c46410e15f7570800e33343)

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

mention changed sample_fmt for audio decoders

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