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

There should be no case that needs this and its a potential for
creating corner cases
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

The size 0 special case causes side data to be created which is
different and a special case if for any reasons size = 0 is passed

Fixes: multiple runtime error: null pointer passed as argument 1, which is declared to never be null
Fixes: 653/clusterfuzz-testcase-5773837415219200

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

Fixes: 653/clusterfuzz-testcase-5773837415219200
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes: runtime error: shift exponent 34 is too large for 32-bit type 'int'

Fixes: 653/clusterfuzz-testcase-5773837415219200
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

Fixes #6181.
Signed-off-by: Paul B Mahol <onemda@gmail.com>

Fixes undefined behaviour and a gcc warning:
libswresample/rematrix.c:376:47: warning: iteration 64 invokes undefined behavior

This should fix the fate failure due to a truncated last frame.
Alternatively the frame could be dropped.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

MSVC doesn't support the %s time format, and instead of returning an
error the invalid parameter handler is invoked which (by default)
terminates the process.

Reviewed-by：Steven Liu <lq@chinaffmpeg.org>
Signed-off-by: Hendrik Leppkes <h.leppkes@gmail.com>

refer to ticket id: #6170

rename file from temp to origin name after complete current segment
Reviewed-by: Aman Gupta <ffmpeg@tmm1.net>
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>

Fixes: 669/clusterfuzz-testcase-4847965409640448

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

avcodec/pngdec: Fix runtime error: left shift of 152 by 24 places cannot be represented in type 'int'

Fixes: 666/clusterfuzz-testcase-6581447227867136

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

Fixes: 664/clusterfuzz-testcase-4917047475568640

The change to fate is due to a truncated last frames which is now detected as damaged.

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

Fixes: 665/clusterfuzz-testcase-4863789881098240

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

res was 0 and divided K which made it infinity which caused K to
overflow.
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>

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

It shouldn't really matter but it doesn't hurt.
Signed-off-by: Paul B Mahol <onemda@gmail.com>

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

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

avcodec/vp3dsp: Fix multiple signed integer overflow: 46341 * 47523 cannot be represented in type 'int'

Fixes: 664/clusterfuzz-testcase-4917047475568640

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

This also fixes several integer overflows by checking each value before
use.
Fixes: 662/clusterfuzz-testcase-4898131432964096

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

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

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

Fixes a compilation warning:
passing argument 2 of ‘apply_param_change’ discards ‘const’ qualifier from pointer target type

Since the PVQ search has been well fuzzed and is guaranteed to never
break SUM(abs(y[])) == K, the assert is no longer needed.
Also the assert only prevented coding the wrong vector index but didn't
prevent crashes during searching for it, which made the assert rather
informational than practical.
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>

Since the probelm mentioned only happened when the phase was negative
(e.g. the sum had to be decreased), only discarding dimensions with a
zero pulse in that case restored the search's previously low distortion
at low Ks when the phase is never negative.
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>

avcodec/ituh263dec: Fix runtime error: left shift of 1342177279 by 1 places cannot be represented in type 'int'

Fixes: 659/clusterfuzz-testcase-5866673603084288

Huge DMV could be created by an encoder ignoring the spec

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

Fixes: 657/clusterfuzz-testcase-6674741433729024
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpegSigned-off-by: Michael Niedermayer <michael@niedermayer.cc>

This is not necessarily specific to fuzzed files

Fixes: Multiple integer overflows
Fixes: 656/clusterfuzz-testcase-6463814516080640
Fixes: 658/clusterfuzz-testcase-6691260146384896

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

(cherry picked from commit ade370a4)
(cherry picked from commit 2d518aec)

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

So users can see which filters support the 'enable' option.
Signed-off-by: Lou Logan <lou@lrcd.com>

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

Stops writing out of dst array.
Signed-off-by: Paul B Mahol <onemda@gmail.com>

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

Apparently using 0x0001 opcode solely is not correct.
Try this instead.
Signed-off-by: Paul B Mahol <onemda@gmail.com>

Fixes #6081. Some dictionary keys are not present on OS X 10.8.
This loads the symbols and uses a default value if not present.
Signed-off-by: Rick Kern <kernrj@gmail.com>

Fixes: 647/clusterfuzz-testcase-5195745823031296

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

avcodec/mips/Makefile: corrected conditional build of version 1 of vc1dsp optimizations for loongson mmi
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>