83032 Commits

Author SHA1 Message Date
Michael Niedermayer
8ea2558ab7 avutil/mem: Optimize fill32() by unrolling and using 64bit
Reviewed-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 12b1338be376a3e5fb606d9fe41b58dc4a9e62c7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-03-24 10:39:03 +01:00
James Almer
a06cd0283e avcodec/hevcdec: decode at most one slice reporting being the first in the picture
Fixes deadlocks when decoding packets containing more than one of the aforementioned
slices when using frame threads.

Tested-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 70c8c8a818f39bc262565ec29fae2baffb3e1660)
2019-03-20 21:43:10 -03:00
Paul B Mahol
4321092be3 avfilter/af_silenceremove: fix possible crash if supplied duration is negative
Signed-off-by: Paul B Mahol <onemda@gmail.com>

Fixes ticket #7697.
(cherry picked from commit 2d1594a8d6a754a426cb53184dccf9cf8c8a94b0)
2019-01-25 00:58:04 +01:00
James Almer
a97ea53ad9 configure: bump year
Happy new year!

(cherry picked from commit 3209d7b3930bab554bf7d97d8041d9d0b88423a8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
n3.2.13
2019-01-15 01:23:01 +01:00
Michael Niedermayer
05ed562862 Update for 3.2.13
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 01:17:07 +01:00
Michael Niedermayer
3389d479ac avcodec/diracdec: Check component quant
Fixes: Timeout
Fixes: 10708/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DIRAC_fuzzer-5730140957442048

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 28c96c2ce2781c2cd147a9f3c299e18ce1dc7ff8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 01:17:07 +01:00
Michael Niedermayer
53319cbe97 avcodec/tests/rangecoder: initialize array to avoid valgrind warning
Found-by: jamrial
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c15972f0af7679b466dd4a10a54ab2f04f9372c8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
f4a9455e03 avcodec/h264_slice: Fix integer overflow in implicit_weight_table()
Fixes: signed integer overflow: 2 * 2132811760 cannot be represented in type 'int'
Fixes: 11156/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-6237685933408256

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 77e56d74f972537aecd5bc2c5c4111e1d6ad0963)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
9f92a1d020 avcodec/exr: set layer_match in all branches
Otherwise it is left to the value from the previous iteration

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 433d2ae4353f3c513a45780845d9d8ca252cd4dc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
aae57535ca avcodec/4xm: Fix returned error codes
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 07607a1db879d0d96e2c91e1354bc4e425937d3a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
a27b49579d avcodec/mjpegbdec: Fix some misplaced {} and spaces
Reviewed-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 11a8d2ccab1fe165eef4578c048d38731dbe1d6f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
David Bryant
0eaff670a7 avformat/wvdec: detect and error out on WavPack DSD files
Not currently supported.

(cherry picked from commit db109373d87b1fa5fe9f3d027d1bb752f725b74a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
gxw
0f9cb4e726 avcodec/mips: Fix failed case: hevc-conformance-AMP_A_Samsung_* when enable msa
The AV_INPUT_BUFFER_PADDING_SIZE has been increased to 64, but the value is still 32
in function ff_hevc_sao_edge_filter_8_msa. So, use AV_INPUT_BUFFER_PADDING_SIZE directly.
Also, use MAX_PB_SIZE directly instead of 64. Fate tests passed.

Reviewed-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f652c7a45c60427db0a89fae665e63b546af6ebb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
6e5238d55f avcodec/fic: Fail on invalid slice size/off
Fixes: Timeout
Fixes: 11486/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FIC_fuzzer-5677133863583744

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 30a7a81cdc2ee2eac6d3271439c43f11b7327b3e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
5a82f570a4 postproc/postprocess_template: remove FF_REG_sp from clobber list
Future gcc may no longer support this

Tested-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c1cbeb87db4bfc6e281e4254a6c7fdd3854fc9b9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
bcf1557736 postproc/postprocess_template: Avoid using %4 for the threshold compare
This avoids problems if %4 is the stack pointer
the constraints do not allow %4 to be the stack pointer but gcc 9 may
no longer support specifying such constraints

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4325527e1c4fd2da119e81933172065ee1274eda)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
a48c69a04e avcodec/rpza: Check that there is enough data for all the blocks
Fixes: Timeout
Fixes: 11547/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RPZA_fuzzer-5678435842654208

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e63517e00a1a8375c7fb3b8c4c64c9a7c3da713e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
b96292c6d3 avcodec/rpza: Move frame allocation to a later point
This will allow performing some fast checks before the slow allocation

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8a708aa99cb0e8d76e52117b1fd89d221f0055e9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
bcc42f1923 avcodec/avcodec: Document the data type for AV_PKT_DATA_MPEGTS_STREAM_ID
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 68e011e4103b9cb5ac2d152d73ca8393065a33fb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
d9010b1d8f avformat/mpegts: Fix side data type for stream id
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ab1319d82f0c77308792fa2d88cbfc73c3e47cb7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
72536017a7 avcodec/mjpegdec: Fix indention of ljpeg_decode_yuv_scan()
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ea30ac1e408246382796f61d645d1e087aed390a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
chcunningham
490a5253ca lavf/id3v2: fail read_apic on EOF reading mimetype
avio_read may return EOF, leaving the mimetype array unitialized. fail
early when this occurs to avoid using the array in an unitialized state.

Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ee1e39a576977fd38c3b94fc56125d31d38833e9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
9925adcd68 avformat/nutenc: Document trailer index assert better
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3a95b73abc868995b08ca2b4d8bbf2cda43184f8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
chcunningham
418f13261f lavf/mov: ensure only one tkhd per trak
Chromium fuzzing produced a whacky file with extra tkhds. This caused
an AVStream that was already in use to be corrupted by assigning it a
new id, which blows up later in mov_read_trun because the
MOVFragmentStreamInfo.index_entry now points OOB.

Reviewed-by: Baptiste Coudurier <baptiste.coudurier@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c9f7b6f7a9fdffa0ab8f3aa84a1f701cf5b3a6e9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
3c2207b10f avcodec/msvideo1: Check for too small dimensions
Such low resolution would result in empty output as a minimum of 4x4 is needed
We could also check for multiple of 4 dimensions but that is not needed

Fixes: Timeout
Fixes: 11191/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSVIDEO1_fuzzer-5739529588178944

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 953bd58861ad933e614510140b05a61e3d1375be)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
4ff4fd4179 avcodec/wmv2dec: Skip I frame if its smaller than 1/8 of the minimal size
Frames that small are not valid and of limited use for error concealment, while
being very computationally intensive to process.

Fixes: Timeout
Fixes: 11168/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV2_fuzzer-5733782032744448

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d6f4341522c3eafb046c47b115d79ce684a899fc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
aa5190d54a avcodec/msmpeg4dec: Skip frame if its smaller than 1/8 of the minimal size
Frames that small are not valid and of limited use for error concealment, while
being very computationally intensive to process.

Fixes: Timeout
Fixes: 11318/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSMPEG4V1_fuzzer-5710884555456512

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 09ec182864d41c990bc18f620eabb77444aeff57)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
f3400e731a avcodec/truemotion2rt: Fix rounding in input size check
Fixes: Timeout
Fixes: 11332/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2RT_fuzzer-5678456612847616

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7f22a4ebc97817fd0968f5ea8295c9a59a6292e0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2019-01-15 00:57:27 +01:00
Michael Niedermayer
dfa3a5ac63 avcodec/truemotion2: fix integer overflows in tm2_low_chroma()
Fixes: 11295/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-4888953459572736

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2ae39d795613f3c6925c59852b625029b747fe42)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-24 22:15:15 +01:00
Michael Niedermayer
de1d2ea6b2 avcodec/pngdec: Check compression method
method 0 (inflate/deflate) is the only specified in the specification and the only supported

Fixes: Timeout
Fixes: 10976/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PNG_fuzzer-5729372588736512

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1f99674ddddcc33f4c37def0a206e31ad7c4c1af)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
0612e6a0d7 avcodec/shorten: Fix integer overflow with offset
Fixes: signed integer overflow: -1625810908 - 582229060 cannot be represented in type 'int'
Fixes: 10977/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5732602018267136

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2f888771cd1ce8d68d4b18a1009650c1f260aaf2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
d10266a96f avcodec/cavsdec: Propagate error codes inside decode_mb_i()
Fixes: Timeout
Fixes: 10702/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CAVS_fuzzer-5669940938407936

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c1cee0565692c541f589aefd7f375d37f55b9d94)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
875a5d055b avcodec/mpegaudio_parser: Consume more than 0 bytes in case of the unsupported mp3adu case
Fixes: Timeout
Fixes: 10966/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MP3ADU_fuzzer-5348695024336896
Fixes: 10969/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MP3ADUFLOAT_fuzzer-5691669402877952

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit df91af140c5543cfbbed187f696e79b554d2c135)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
c2af767c3e avutil/integer: Fix integer overflow in av_mul_i()
Found-by: fate
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3cc3cb663bf3061e40356392d2f7638de6a479fe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
e6f8f6a7ee avcodec/msrle: Check that the input is large enough to contain a end of picture code
Fixes: Timeout
Fixes: 10625/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSRLE_fuzzer-5659651283091456

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 203ccb8746997777ce66beadd53b4631d217b9cd)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
353ef58a82 avcodec/jpeg2000dec: Fix off by 1 error in JPEG2000_PGOD_CPRL handling
Fixes: assertion failure
Fixes: 10785/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5672160496975872

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 305e523105f6f59e7572050f19edc9f4671c036c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
1effc4baa1 avcodec/mpeg4videodec: Fix typo in sprite delta check
Fixes: Integer overflow
Fixes: 10890/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5636062181851136

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b737317a8813e671c00b8ac7023c47e48ffeb1c8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
72268fbdc3 avcodec/h264_cavlc: Check mb_skip_run
Fixes: 10300/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-6292205497483264
Fixes: signed integer overflow: -2147483648 - 1 cannot be represented in type 'int'

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f72b9904fefa79d799d0f6ecc8bd97ce52658725)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
f266eca585 avcodec/ra144: Fix integer overflow in add_wav()
Fixes: signed integer overflow: -2144033225 + -5208934 cannot be represented in type 'int'
Fixes: 10633/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RA_144_fuzzer-5679133791617024

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c6282141cba20934d9801f31134872fabbd6ba3e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
77d35ab734 avformat/utils: Never store negative values in last_IP_duration
Fixes: integer overflow compute_pkt_fields()
Fixes: compute_pkt_usan

Reported-by: Thomas Guilbert <tguilbert@chromium.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 079d1a7175c4b881631a7e7f449c4c13b761cdeb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
9181ecd2e6 avformat/utils: Fix integer overflow in discontinuity check
Fixes: signed integer overflow: 7738135736989908991 - -7954308516317364223 cannot be represented in type 'long'
Fixes: find_stream_info_usan

Reported-by: Thomas Guilbert <tguilbert@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4e19cfcfa3944fe4cf97bea758f72f104dcaebad)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
72babd45c8 avcodec/unary: Improve get_unary() docs
Found-by: kierank
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ad89e203bfedf25df00e2a6ed9196170d772f25b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
7bcc4d7ea7 avcodec/dvdsubdec: Sanity check len in decode_rle()
Fixes: Timeout
Fixes: 9778/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DVDSUB_fuzzer-5186007132536832

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e7b023e1db9fb13175929c02a02846d03510ec91)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
64bccfd11d avcodec/mpeg4videodec: Fix undefined shift in get_amv()
Fixes: runtime error: shift exponent -1 is negative
Fixes: 9938/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-5653783529914368

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c88afa44c4823aba7b6f4a1b01fd6a4169643c57)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
2baee6dd1b avcodec/zmbv: Check that the decompressed data size is correct
This checks the value exactly for intra frames and checks it against a
minimum for inter frames as they can be variable.

Fixes: Timeout
Fixes: 10182/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ZMBV_fuzzer-6245951174344704

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e33b28cc79d164fff22bfee750c9283587c00bc4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
5fe92631fc avcodec/zmbv: Update decomp_len in raw frames
decomp_len is used in raw frames, so it should not be left at the value from
whatever was decoded previously (which may be any other frame)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3d201b83cda03fd9e866acafee82d7ce88260e66)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
3b20cd4f65 avcodec/shorten: Fix bitstream end check in read_header()
Fixes: Timeout
Fixes: 9961/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5687856176562176

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 28b80c2d52d82eb4f73af5f818dab60946bcf299)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
9f0e0a4cf2 avcodec/dvdsubdec: Avoid branch in decode_run_8bit()
Speed improvment 35.5 sec -> 34.7sec

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 71bf0330505e2108935d05c5c018ec65eac4b946)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
59c463f4cc avcodec/h264_refs: Document last if() in ff_h264_execute_ref_pic_marking()
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 697984b9db4d4d199680f43ac3eb662cd1d37eff)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00
Michael Niedermayer
a90f6d3e90 avcodec/ra144: Fix undefined integer overflow in add_wav()
Fixes: signed integer overflow: -26884 * 91439 cannot be represented in type 'int'
Fixes: 9687/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RA_144_fuzzer-4995588121690112

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 93a203662f6ff1bb9fd2e966bf7df27e9bdb1916)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2018-11-18 02:35:03 +01:00