Fixes: Timeout (17 sec -> 65 milli sec)
Fixes: 13264/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CDGRAPHICS_fuzzer-5711167941509120

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

Fixes: Division by 0
Fixes: ffmpeg_zero_division.bin
Found-by: Anatoly Trosinenko <anatoly.trosinenko@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

This consists mostly of the following changes:
- add newly supported pixel formats (RGB555LE, RGB565LE, BGR0)
- select the ZMBV format (c->fmt) and bytes per pixel (c->bypp) based on
  avctx->pix_fmt
- multiply widths/x-values by c->bypp, in places where bytes, not pixels, are
  expected
- disable palette-writing code for non-palette pix_fmts
- make a note about histogram[]'s datatype (it could need increasing if
  ZMBV_BLOCK is increased)
- adjust the c->score_tab length to take up to (and including) 4 times the
  number of pixels in a block
- initialise c->score_tab up to c->bypp * the number of pixels

Note: the ZmbvFormat enum allows for additional bit depths:
- 1,2,4-bit (palette)
- 24-bit (RGB)

At time of writing the specifics of these (e.g. channel order, bit alignment)
are not currently defined, and DOSBox only implements support for 8/15/16/32
bpp.
One might expect the 24-bit format - if implemented - to be BGR24, to have the
same channel order as BGR0.
However, the decoder in zmbv.c has been guessed to use RGB24, so I have chosen
to not contradict this, and omitted specific support for this format.

Looks like the variable 'cur_timestamp' is not used anywhere.
So remove this variable.
Signed-off-by: Jun Li <junli1026@gmail.com>
Reviewed-by: Steven Liu <lq@chinaffmpeg.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: James Almer <jamrial@gmail.com>

Signed-off-by: James Almer <jamrial@gmail.com>

Signed-off-by: James Almer <jamrial@gmail.com>

Replaces the libdav1d internal allocator. It uses an AVBufferPool to reduce the
amount of allocated buffers.
About 5% speed up when decoding 720p or higher streams.

Reviewed-by: "Vittorio Giovara <vittorio.giovara@gmail.com>"
Signed-off-by: James Almer <jamrial@gmail.com>

This is in preparation for the following commit.
Signed-off-by: James Almer <jamrial@gmail.com>

Bump the minimum required version to the first one with the logger API callback.
Reviewed-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>

Fixes: Out of array access
Fixes: 13500/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5769760178962432

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpegReviewed-by: Kieran Kunhya <kierank@obe.tv>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Since db772308 parsing of
mpeg4-extradata lead to a "Failed to parse extradata" warning, because
ff_mpeg4_decode_picture_header returns AVERROR_INVALIDDATA in case that
no VOP was found. This patch adds a parameter to signify whether a
header (where the absence of a VOP does not raise an error) or not is
parsed. The first mode is of course used for parsing headers.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@googlemail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

* commit '5846b496':
  tests: Use a predefined function for lavf-rm test
Merged-by: James Almer <jamrial@gmail.com>

* commit 'dad5fd59':
  tests: Enable CRC test for yuv4mpeg
Merged-by: James Almer <jamrial@gmail.com>

* commit '86291498':
  tests: Drop duplicate variable declaration

This commit is a noop, as it breaks tests like fate-filter-pixfmts
Merged-by: James Almer <jamrial@gmail.com>

* commit 'e22ffb38':
  tests: Unify output directory creation
Merged-by: James Almer <jamrial@gmail.com>

* commit '7e5bde93':
  build: Rename OBJDIRS variable to OUTDIRS
Merged-by: James Almer <jamrial@gmail.com>

Fixes ticket #7783.

Fixes: Out of array access
Fixes: 13552/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IMM4_fuzzer-5767949648920576

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpegReviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>

fix the call of the unsafe version of slice encoding in interlace mode
fix padding line count in sub image with fill in interlace mode

Fixes: 13099/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXV_fuzzer-5665598896340992
Fixes: signed integer overflow: 2147483647 + 7 cannot be represented in type 'int'

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

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

Reduces buffering latency with low bitrate streams, where
8192 bytes can mean several seconds.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Set specific field for repeat in PicStruct if the frame has repeat
flag.

Match the CheckInputPicStruct in MSDK.

Fix #7701.
Signed-off-by: Linjie Fu <linjie.fu@intel.com>
Signed-off-by: Zhong Li <zhong.li@intel.com>

use AVFILTER_DEFINE_CLASS for defining the filter classes
Signed-off-by: Jun Zhao <barryjzhao@tencent.com>

use AVFILTER_DEFINE_CLASS for defining the filter classes
Signed-off-by: Jun Zhao <barryjzhao@tencent.com>

Fixes: Undefined shift
Fixes: 12911/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SCPR_fuzzer-5677102915911680

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

libvpx can be compiled with the VP8 decoder and encoder disabled, and
there's no reason to force their presence if the user only wants VP9.
Signed-off-by: James Almer <jamrial@gmail.com>

Signed-off-by: Guo, Yejun <yejun.guo@intel.com>
Signed-off-by: James Almer <jamrial@gmail.com>

Signed-off-by: Guo, Yejun <yejun.guo@intel.com>
Signed-off-by: James Almer <jamrial@gmail.com>

benchmark on x86_64 :
mainly raw data : 20 -> 39 fps
mainly rle data : 97 -> 119fps