FATE: add a test for the gradfun filter
FATE: add a test for the boxblur filter
FATE: add a test for the drawbox filter
FATE: add a test for the fade filter
FATE: add a test for the unsharp filter
FATE: add a test for the transpose filter
FATE: add a test for the hqdn3d filter
FATE: add a test for the setpts filter
FATE: add a test for the overlay filter
FATE: add a test for the negate filter
FATE: add a test for the channelmap filter
FATE: add a test for the channelsplit filter
FATE: add a test for the volume filter
FATE: add a test for the join filter
vmdav: convert to bytestream2

Signed-off-by: Anton Khirnov <anton@khirnov.net>
flvdec: use the correct audio codec id when parsing metadata
flvdec: read audio sample size and channels metadata

This is needed in order for the FLV demuxer not to detect a codec change when
using the "flv_metadata" option.
Merge commit '1a6d4bd7b60761bd7d955011ce7df4dd6b87b497'

* commit '1a6d4bd7b60761bd7d955011ce7df4dd6b87b497':
  FATE: add a test for the fade filter
  FATE: add a test for the drawbox filter
  FATE: add a test for the boxblur filter
  FATE: add a test for the gradfun filter

Conflicts:
	tests/fate/filter.mak
	tests/ref/fate/filter-gradfun

our gradfun test is renamed to gradfun-ubitux as its name conflicts and
it was requested to be kept. Feel free to rename, change, finetune ...

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'ea290d919a52f0f8c7e30d69328bb011ed13f61a'

* commit 'ea290d919a52f0f8c7e30d69328bb011ed13f61a':
  FATE: add a test for the setpts filter
  FATE: add a test for the hqdn3d filter
  FATE: add a test for the transpose filter
  FATE: add a test for the unsharp filter

Conflicts:
	tests/ref/fate/filter-hqdn3d

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '43a8333a16c796b3d855fb3aaa742103cb62731f'

* commit '43a8333a16c796b3d855fb3aaa742103cb62731f':
  FATE: add a test for the channelsplit filter
  FATE: add a test for the channelmap filter
  FATE: add a test for the negate filter
  FATE: add a test for the overlay filter

Conflicts:
	tests/fate/filter.mak

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