cherry picked from commit 5d9f79edef2c11b915bdac3a025b59a32082f409

SAO edge filter uses pre-SAO pixel data on the left and top of the ctb, so
this data must be kept available. This was done previously by having 2
copies of the frame, one before and one after SAO.

This commit reduces the storage to just that, instead of the previous whole
frame.

Commit message taken from patch by Christophe Gisquet <christophe.gisquet@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This could overflow and crash at least on 32 bit systems.
Reviewed-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This can lead to an endless loop by seeking back a few bytes after each
attempted chunk read. Assuming negative sizes are always invalid, this
is easy to fix. Other code in this demuxer treats negative sizes as
invalid as well.

Fixes ticket #4262.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This mimicks what is done for the other instruction sets.
Tested-by: James Almer <jamrial@gmail.com>
Tested-by: Mickaël Raulet <mraulet@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* commit '898276c1':
  r3d: Fix pos type
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'ec524ed1':
  tta: Fix framepos and start_offset types

Conflicts:
	libavformat/tta.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit 'a6653787':
  libopencv: Check kernel_str life cycle

Conflicts:
	libavfilter/vf_libopencv.c

See: f16a6f66Merged-by: Michael Niedermayer <michaelni@gmx.at>

This is currently always true, the assert protects against
future changes to the code breaking this assumtation
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* commit '9b8c8a93':
  svq1dec: Validate the stages value strictly

Not merged, this is wrong, the condition is not possible
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '6f7a3283':
  svq1enc: correctly handle memory error and allocations

Conflicts:
	libavcodec/svq1enc.c

See: 79888388Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '67e9f390':
  isom: Decode Prores 4444 XQ with the existing Prores decoder

See: fe47cba7Merged-by: Michael Niedermayer <michaelni@gmx.at>

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

* commit 'e3528d2a':
  mov: Implement parsing of the "HandlerName" from the MP4 HDLR atom

Conflicts:
	libavformat/mov.c

See: b76bc010Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '27b99d92':
  siff: Return more meaningful error values

Conflicts:
	libavformat/siff.c

See: 29c3ebf5Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '75439bb3':
  siff: K&R formatting cosmetics

Conflicts:
	libavformat/siff.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

industrial cameras usually mark the trigger frame as frame number 0
all frames saved before trigger frame receive a negative sequence number
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

avio_tell can return a negative number.

Bug-Id: CID 1265715
CC: libav-stable@libav.org

Also propagate errors.

CC: libav-stable@libav.org
Bug-Id: CID 1238812

The string might or might not be set depending if there
are args and in case of error it must be freed nonetheless.

CC: libav-stable@libav.org
Bug-Id: CID 739878 / CID 739882

It can be less than -1.

Bug-Id: CID 1194397 / CID 1194398
CC: libav-stable@libav.org

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>

The frames seem to contain a higher bitrate which our decoder is
able to handle.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>

This atom typically is used for a track title. The handler name is stored
as a Pascal string in the QT specs (first byte is the length of the string),
so do not export it.

A second length check based on the first character is added to avoid
overwriting an already specified handler_name (it happens with YouTube
videos for instance, the handler_name get masked), or specifying an
empty string metadata.

The Pascal string fix and the second length check are written
by Clément Bœsch <clement.boesch@smartjog.com>.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

av_add_index_entry() can fail, for example because the parameters are
invalid, or because memory allocation fails. Check this; it can actually
happen with corrupted files.

The second hunk is just for robustness. Just in case functions like
ff_reduce_index() remove entries. (Not sure if this can actually
happen.)

Fixes ticket #4294.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

This is similar to 60392480Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

This avoids a 65536:65536 SAR
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

also add GET_TMP2() macro
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

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

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

This isnt safe due to AVOption accessing this field as int
i just realized a moment after pushing

This reverts commit 0935453e.

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

This adds an option to set the service type in mpegts as defined in ETSI 300 468.

I added what I believe are the most useful service types as pre defined values,
the others can be sent by using their hexdecimal form directly (e.g. -mpegts_service_type digital_radio, -mpegts_service_type 0x07).

I've been using this patch in order to pipe internet radio stream (originally as HLS/m3u8) from ffmpeg to tvheadend,
when the service type set right tvheadend recognize the mpegts stream as a radio channel.

The patch in its original form was written by linuxstb from freenode's hts channel which allowed me pushing it upstream.

This close issue 4118.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

* commit '11e05533':
  Ignore generated file tools/sidxindex.
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '3d5d4623':
  opus: Factor out imdct15 into a standalone component

Conflicts:
	configure
	libavcodec/opus_celt.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

* commit '28df0151':
  configure: Add a dependency on vc1_decoder from vc1_parser

See: 6ac3c8c6Merged-by: Michael Niedermayer <michaelni@gmx.at>

Found-by: Timothy Gu <timothygu99@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>