Fixes playback of HLS streams on MediaTek devices which requires PPS/SPS
to be set in their respective csd-{0,1} buffers.

* commit '1982d0cc':
  fate: Add test for MTS2/MSS4

The timestamps differ because we use a more appropriate timebase.
Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '375cad09':
  rtpdec_vp9: Support parsing the scalability structure

This commit is a noop, see cab23795Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '943f4bea':
  rtpdec_h264: Use avpriv_report_missing_feature instead of a manual av_log

This commit is a noop, see d50b3fe4Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit 'b55e3633':
  rtpdec: Use AVERROR_PATCHWELCOME instead of AVERROR(ENOSYS) for unimplemented features

This commit is a noop, see 94dee906Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '70c77fdf':
  rtpdec_vp9: Update header parsing to spec draft 02

This commit is a noop, see 43880f97Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '33b83d89':
  rtpdec_vp9: Make sure to free the temp buffer on close

This commit is a noop, see 03aa4cd2Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit 'c2674133':
  Revert "mmaldec: autodetect by default" since it breaks linking on systems without mmal libraries

This commit is not merged as the previous one wasn't either.
Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '33ac77e8':
  mmaldec: autodetect by default

This commit is not merged (it will be reverted in the next one to
merge).
Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '74beead9':
  mmaldec: limit internal buffering

See 14a90c9e

The introduction of the MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS check is
merged.
Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '45a954f5':
  mmaldec: print the MMAL format FourCC automatically

This commit is a noop, see d27a12cbMerged-by: Clément Bœsch <clement@stupeflix.com>

* commit '84bba368':
  configure: fix mmal build dependencies

This commit is a noop, see 0badf456Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit 'ce589940':
  mmaldec: send only a single EOS packet on flushing

This commit is a noop, see dafe4cd2Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '46aaad78':
  mmaldec: correct package buffering accounting

This commit is a noop, see a55fbfa4Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '9a382f36':
  mmaldec: add vc1 decoding support

This commit is a noop, see b07cbf67Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit 'd52208e8':
  mmaldec: Add mpeg2 decoding support

This commit is a noop, see 7ebe12fcMerged-by: Clément Bœsch <clement@stupeflix.com>

* commit '2689bb11':
  mmaldec: Fix avpriv_atomic_get usage

This commit is a noop, see da43e9e1Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '366ba2de':
  mmaldec: Use av_assert0() instead of assert()

This commit is a noop, see c0152ebbMerged-by: Clément Bœsch <clement@stupeflix.com>

* commit 'f2422b58':
  testprogs: Mark some tables as static const
Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '5b1409c7':
  fate: Add test for MSS1

Test was already present, see 849e55e5.

The merge removes the audio decoding present in our version and
simplifies the rules.
Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '4b2e6939':
  dds: Add support for monochrome images
Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '6eb25058':
  dds: Drop gray-alpha swapping

This commit is not merged, see 139cbeb7.
Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '39cdbb12':
  dxva2_h264: Unbreak compilation after 3176217c

This commit is a noop. The compilation was fixed in the merge commit
itself (1534ef87). The additional local
unused sps is not merged.
Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '4012fe1e':
  ape: Unbreak adaptcoeffs computation

This commit is a noop, see dd4fb233Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '2e5bde95':
  h264: eliminate max_contexts

This commit is a noop as max_contexts can change and mismatch the
nb_slice_ctx (see 507b01f8).

The file in the Ticket is not decodable anymore, so it was not possible
to check if that code path was triggerable some way or another, or even
test a different fix.
Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit 'e3c9041c':
  h264: allocate some tables per slice contexts, not threads
Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit 'e0652795':
  h264: remove an artificial restriction on the number of slice threads

Tested with multiple runs of fate-h264 THREADS=50 THREAD_TYPE=slice
Merged-by: Clément Bœsch <clement@stupeflix.com>

It has no use afterwards and freeing it before calling ff_flac_parse_picture()
may help prevent OOM issues on memory constrained scenarios.
Signed-off-by: James Almer <jamrial@gmail.com>

Allocate the memory needed for the decoded data rather than the
encoded data.
Signed-off-by: James Almer <jamrial@gmail.com>

phase_shift and phase_mask is removed
generally exact_rational=on is faster than exact_rational=off
Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>

Signed-off-by: Lou Logan <lou@lrcd.com>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes packet pts of samples which contain ctts entries with count <= 0.

* commit '4fd34e63':
  h264: remove pointless setting of some variables in loop_filter
Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit '9c858ce3':
  h264: remove a pointless comment
Merged-by: Clément Bœsch <clement@stupeflix.com>

* commit 'b77fffa1':
  h264: make slice threading work with deblocking_filter=1

again label, and SLICE_SINGLETHREAD error handling are preserved as that
SLICE_SINGLETHREAD can be raised on a remaining case.

slice_context_count is also kept since it's still in use.
Merged-by: Clément Bœsch <clement@stupeflix.com>