atrac3: fix error handling

decode_tonal_components returns a proper AVERROR.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
atrac3: Error on impossible encoding/channel combinations

Joint stereo encoded mono is impossible.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
atrac3: set the getbits context the right buffer_end

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
imc: Catch a division by zero

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
adpcm: Write the correct number of samples for ima-dk4

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Merge commit '22e76ec635bafdd1d1ec35581a7ac09e69e3c43e'

* commit '22e76ec635bafdd1d1ec35581a7ac09e69e3c43e':
  atrac3: set the getbits context the right buffer_end
  atrac3: fix error handling

Conflicts:
	libavcodec/atrac3.c

No change as these issues have been fixed previously
See: c8f25cafd2f23662bcb1e62965c0c42d6989688a
See: 5eaed6d33689cc6f6e7c07463ede6b387b08afc4

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'bbf6a4aa20bfe3d7869b2218e66063602dfb8aa7'

* commit 'bbf6a4aa20bfe3d7869b2218e66063602dfb8aa7':
  imc: Catch a division by zero
  atrac3: Error on impossible encoding/channel combinations

See: 13451f5520ce6b0afde861b2285dda659f8d4fb4

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '12576afe206d35231ccd61f9033c5fdab6a11e80'

* commit '12576afe206d35231ccd61f9033c5fdab6a11e80':
  adpcm: Write the correct number of samples for ima-dk4

Conflicts:
	libavcodec/adpcm.c

See: f18c873ab5ee3c78d00fdcc2582b39c133faecb4

Merged-by: Michael Niedermayer <michaelni@gmx.at>
add crc24 tables

Signed-off-by: Paul B Mahol <onemda@gmail.com>
tak: use crc table from lavu

Signed-off-by: Paul B Mahol <onemda@gmail.com>
lavf/takdec: check metadata blocks checksum

Signed-off-by: Paul B Mahol <onemda@gmail.com>
lavfi: add aecho filter

Signed-off-by: Paul B Mahol <onemda@gmail.com>
fate/crc fix after master:410192e36958: add crc24 tables

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