Fixes: 1773/clusterfuzz-testcase-minimized-4832523987189760

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>

Leads to setting of DefaultDuration in Matroska muxer based on frame rate instead of timebase.
Fixes playback in Chrome.
Signed-off-by: Peter Große <pegro@friiks.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

dashenc: Don't output frameRates at both AS and Representation-level. Only output maxFrameRate at AS-level.

Fix conformance regarding section "3.2.4. Presence of Attributes and
Element" of the "Guidelines for Implementation: DASH-IF Interoperability
Points V4.1" (http://dashif.org/guidelines/)
Signed-off-by: Anton Schubert <ischluff@mailbox.org>
Signed-off-by: Peter Große <pegro@friiks.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Peter Große <pegro@friiks.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes: 1b8ef01f ("dashenc: add webm support")
Signed-off-by: Peter Große <pegro@friiks.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

This patch is inspired by the ffmpeg webm_chunk muxer and fixes that all resulting
tracks have the same track number.
Signed-off-by: Peter Große <pegro@friiks.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Anton Schubert <ischluff@mailbox.org>
Signed-off-by: Peter Große <pegro@friiks.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes ticket #6770.

Found-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>

The fields can be accessed directly, so these are not needed anymore.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>

Remove the silly second notice.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>

The fields can be accessed directly, so these are not needed anymore.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>

Signed-off-by: Paul B Mahol <onemda@gmail.com>

Signed-off-by: Steven Liu <lq@onvideo.cn>

fix ticket id: #6776
fix code logic error, need not check first segment.
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>

fix ticket id: #6777
when use argument hls_segment_filename, the basename_size will be 0
Signed-off-by: Steven Liu <lq@onvideo.cn>

It has no effect whatsoever since the major bump.
Replace the flag's documentation to reflect this as well.
Signed-off-by: James Almer <jamrial@gmail.com>

Found-by: James Almer

* commit '8fd8f91e':
  qsvenc: Make sure the interlaced encoding works
  qsvenc: Use MFXVideoENCODE_Query() to update the parameters

This commit is a noop, see
dd831976
ae5b67eeMerged-by: James Almer <jamrial@gmail.com>

* commit 'e00db9f7':
  checkasm: hevc: Add a hevc_ prefix to the add_residual functions
Merged-by: James Almer <jamrial@gmail.com>

* commit '1731c353':
  mm: Skip unexpected audio packets

This commit is a noop. The generic code already drops packets from
non-existant streams.
Merged-by: James Almer <jamrial@gmail.com>

* commit 'f2c469b7':
  mjpeg: Report non-3 component rgb lossless as not supported

[15:56:27] <jamrial> michaelni: can't reproduce the failure f2c469b7 is trying to "fix"
[15:56:30] <jamrial> do we support what that commit claims is unsupported?
[16:56:54] <michaelni> jamrial, yes, we support lossless rgba

This commit is a noop.
Merged-by: James Almer <jamrial@gmail.com>

Previously alac encoder was used, from a first glance I thought it is bitexact,
but it turns out it is using floating point arithmetic as well, so probably it
is not. Fixes fate failures on mingw32/64.
Signed-off-by: Marton Balint <cus@passwd.hu>

* commit '279e3aaa':
  flv: Validate the packet size
Merged-by: James Almer <jamrial@gmail.com>

This is needed since e0250cf3 as that uses end-buf2
Note, there are more than 16 bytes allocated beyond "end"

Fixes: regression (segfault) with probetest
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Sasi Inguva <isasi@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Required by comformance XSD [1].

[1] https://github.com/Dash-Industry-Forum/Conformance-and-reference-source/blob/master/conformance/MPDValidator/schemas/DASH-MPD.xsdSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Peter Große <pegro@friiks.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

* commit '48097815':
  travis: Exclude gcc for the macOS target
Merged-by: James Almer <jamrial@gmail.com>

* commit '5352802d':
  dca: Account for lfe when checking for the channel count

This commit is a noop.
Merged-by: James Almer <jamrial@gmail.com>

* commit '37f57354':
  swscale: Convert the check check_image_pointers helper to a macro

[14:52:50] <jamrial> michaelni, ubitux: 37f57354 yay or nay? we don't have the warnings mentioned there because we cast the argument
[14:54:10] <@ubitux> i don't really see the improvement, no opinion
[15:04:14] <michaelni> jamrial, functions are better/cleaner than macros
[15:04:20] <michaelni> IMHO that is

This commit is a noop.
Merged-by: James Almer <jamrial@gmail.com>

* commit 'f56fa95c':
  swscale: Do not shift negative values directly

14:30:21] <jamrial> michaelni: do you prefer how f56fa95c (libav) handles left shift of negative value, or how we're currently doing it?
[14:30:31] <jamrial> ours is cleaner looking, IMO
[14:30:57] <@ubitux> i agree
[14:31:13] <@ubitux> if we didn't forget any, i think this commit is better noop'ed
[14:31:57] <jamrial> ubitux: we even have a bunch of other cases this commit doesn't handle that i'd have to manually change, so yeah, i'm leaning towards nooping it
[14:34:04] <michaelni> jamrial, +1, ours as its cleaner

This commit is a noop.
Merged-by: James Almer <jamrial@gmail.com>

* commit '378460fe':
  utvideodec: Support for gradient prediction
  utvideodec: Reuse the huffyuv add_left
  utvideodec: Support ULY4 and ULH4
  utvideodec: Support UQRA and UQRG
  swscale: Add gbrap10 output
  swscale: Add input support for gbrap10 pixel format
  pixfmt: Add gbrap10 pixel format
  utvideodec: Support UQY2

This commit is a noop, see
115e63c8
8100426f
9d30690f
b828788d
84efdabc
c62cb9bf
ea93052d
faa94a57Merged-by: James Almer <jamrial@gmail.com>

* commit '9e4a5eb5':
  avformat: Free the internal codec context at the end
Merged-by: James Almer <jamrial@gmail.com>