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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-29 22:00:58 +02:00

101846 Commits

Author SHA1 Message Date
Michael Niedermayer
57f68127da avformat/rpl: Check for EOF and zero framesize
Fixes: Infinite loop
Fixes: 34751/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5439330800762880
Fixes: 34774/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-5851571660390400

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 a0a4a527c3b0819368d9b148542bb7663f39df79)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
350bedf7e2 avcodec/vc2enc: Check for non negative slice bounds
Fixes: invalid shifts
Fixes: Ticket 8221

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f7862e82686b347eb6a9e64fa7ccdf25d5a76b4b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
5664263561 avformat/rpl: Use 64bit in bitrate computation and check it
Fixes: signed integer overflow: 777777776 * 4 cannot be represented in type 'int'
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_RPL_fuzzer-6726188921913344

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 29b244ffc15abe2c24d2145f63048e8b3bdaa303)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
78b71acab7 avcodec/mpegvideo_enc: Reset stuffing bits if they are not supported
Fixes: Assertion failure
Fixes: Ticket8202

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 996797f8ed06e6ccb5287e18a5de88b2b0db31ec)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
478c5d838b avcodec/svq1enc: Do not print debug RD value before it has been computed
Avoids floating point division by 0

Fixes: Ticket8191

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c297f7e57a223da9f0d350e30456d60c8c87f902)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
159403fc9f avcodec/aacpsy: Check bandwidth
Fixes: Ticket8011

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 36dead4bc28ca8aab13c61661f28c68bdefa5e9d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
27727d56bf avcodec/aacenc: Do not divide by lambda_count if it is 0
Avoids Floating point division by 0

Fixes: Ticket8011

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c520b986915a3fdf3a20f6ce0ad5833eccfb7a91)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
2b70d3941f avcodec/aacenc: Use FLT_EPSILON for lambda minimum
(cherry picked from commit 4b89cf7aa49191c7f8a5ae6e9cf6cfc79ff4ee5e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
6e2b18a895 avfilter/vf_yadif: Fix handing of tiny images
Fixes: out of array access
Fixes: Ticket8240
Fixes: CVE-2020-22021

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7971f62120a55c141ec437aa3f0bacc1c1a3526b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
cea03683b9 avfilter/vf_vmafmotion: Check dimensions
Fixes: out of array access
Fixes: Ticket8241
Fixes: Ticket8246
Fixes: CVE-2020-22019
Fixes: CVE-2020-22033

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 82ad1b76751bcfad5005440db48c46a4de5d6f02)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
5f9f689497 avformat/movenc: Check pal_size before use
Fixes: assertion failure
Fixes: out of array read
Fixes: Ticket8190
Fixes: CVE-2020-22015

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4c1afa292520329eecd1cc7631bc59a8cca95c46)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
7fbea837fd avcodec/lpc: Avoid floating point division by 0
Fixes: Ticket7996
Fixes: CVE-2020-20445

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 38d18fb57863bb9c54e68ae44aa780c5c282a184)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
5828700d5c avcodec/aacpsy: Avoid floating point division by 0 of norm_fac
Fixes: Ticket7995
Fixes: CVE-2020-20446

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 223b5e8ac9f6461bb13ed365419ec485c5b2b002)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
05cca35df9 avcodec/aacenc: Avoid 0 lambda
Fixes: Ticket8003
Fixes: CVE-2020-20453

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a7a7f32c8ad0179a1a85d0a8cff35924e6d90be8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
43bdf562c3 avcodec/exr: More strictly check dc_count
Fixes: out of array access
Fixes: exr/deneme

Found-by: Burak Çarıkçı <burakcarikci@crypttech.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 26d3c81bc5ef2f8c3f09d45eaeacfb4b1139a777)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
fa38dfc0ef avcodec/exr: x/ymax cannot be INT_MAX
The code uses x/ymax + 1 so the maximum is INT_MAX-1

Fixes: signed integer overflow: 2147483647 + 1 cannot be represented in type 'int'
Fixes: 33158/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5545462457303040

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 48342aa0750f83006582d1598b5f22297f6dbf83)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
5d3c96cf11 avformat/avio: Check av_opt_copy() for failure
Fixes: CID1477416 Unchecked return value

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f8611ae1efc47fbe1aff140c89bee4fd1d62d3e1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
95224c3ffb avformat/moflex: Remove unneeded format variable
Fixes: CID1477423 Uninitialized scalar variable

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 36a3a5050a06ed98e34a94caac7f4daf764cf55c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
567eacd42e avformat/fifo: check for flushed packets and timeshift
Fixes: CID1464151 Dereference after null check

Reviewed-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3e44bd068fc19baeaab3295fce8379c68e4b2b2a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
a6bd1bdd12 avcodec/clearvideo: Check for 0 tile_shift
Fixes: shift exponent -1 is negative
Fixes: 33401/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CLEARVIDEO_fuzzer-5908683596890112

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 63e75e09aef5836330a2786f0a9229ed82239e6b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
3f81371bd4 avcodec/vc1: Check remaining bits in ff_vc1_parse_frame_header()
Fixes: Timeout
Fixes: 33156/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3_fuzzer-6259655027326976

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 38c47615880357314ba30727a85bf7b00989706a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
6f7a7b5ffb avformat/mov: Ignore duplicate CoLL
Fixes: memleak
Fixes: 32146/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5377612845285376

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 9548dc74d8db2bc002e1195dbd076f621f5c3ea1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
409c33e5f8 avformat/mov: Limit nb_chapter_tracks to input size
Fixes: Timeout (15k loop iterations instead of 400m)
Fixes: 31368/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-6601583174483968

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 299a56c9006b2eb8807c3e3efefb91a78fe6b3b2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
ba1cc675eb avformat/utils: Use 64bit earlier in r_frame_rate check
Fixes: signed integer overflow: 1406796319 * 2 cannot be represented in type 'int'
Fixes: 32777/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-5632576913014784

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 578633fc1ac8c02a36a706bd71f775550412d1e1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
0dc1c85644 avcodec/alsdec: Fix decoding error with mono audio files
highest_decoded_channel is modified to serve as meant.

Reported-by: Noboru Harada <noboru@ieee.org>

Regression since: a11aa5f3ed7ee4d2385a7b725d43f6070d790b4c
Fixes: Sin48k16bit1ch.mp4
Reviewed-by: Thilo Borgmann <thilo.borgmann@mail.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f7987ce966aaad841d584988e00454c685bff36f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
5f0c0883c2 avformat/mvdec: Check sample rate in parse_audio_var()
Fixes: signed integer overflow: -635424002382840000 * 16 cannot be represented in type 'long'
Fixes: 33612/clusterfuzz-testcase-minimized-ffmpeg_dem_MV_fuzzer-5704741108711424

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0ff60249a57cba00ab679ca6190a802cc0c7b9c7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
89d8eae0c6 avcodec/faxcompr: Check for end of bitstream in decode_group3_1d_line() and decode_group3_2d_line()
Fixes: infinite loop
Fixes: 33674/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-4816457818046464

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 08d2df41538b583932c1a6772e3c8978a2334107)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
82de510a59 avcodec/utils: treat PAL8 for jpegs similar to other colorspaces
Fixes: out of array access
Fixes: 33713/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5778775641030656
Fixes: 33717/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEGLS_fuzzer-4960397238075392
Fixes: 33718/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMVJPEG_fuzzer-5314270096130048.fuzz
Fixes: 33719/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5352721864589312
Fixes: 33721/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THP_fuzzer-5938892055379968

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 f0ce023ddb8863d16ab650fcc0731851a55db084)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
1abd61e006 avcodec/jpeglsdec: Set alpha plane in PAL8 so image is not 100% transparent
Fixes: tickets/3933/128.jls

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 011006874cb46325b6bc83234f81879ff421c05f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
2d177dba88 avformat/asfdec_o: Use ff_get_extradata()
Fixes: OOM
Fixes: 27240/clusterfuzz-testcase-minimized-ffmpeg_dem_ASF_O_fuzzer-5937469859823616

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 098314e1e5142aa2b53dc5371a9d01eb09ddd30f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
6f83f6de04 avformat/id3v2: Check end for overflow in id3v2_parse()
Fixes: signed integer overflow: 9223372036840103978 + 67637280 cannot be represented in type 'long'
Fixes: 33341/clusterfuzz-testcase-minimized-ffmpeg_dem_DSF_fuzzer-6408154041679872

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 efdb56450418933965dc6e27f0b1625d25e44a8c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
f0d9b5899a avformat/mxfdec: Fix file position addition
Fixes: signed integer overflow: 9223372036854775805 + 4 cannot be represented in type 'long'
Fixes: 29927/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-5579985228267520

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 f7c3484b2659063043100e8194d5790d2aa1a73c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
c1d3a0638a avformat/wtvdec: Improve size overflow checks in parse_chunks()
Fixes: signed integer overflow: 32 + 2147483647 cannot be represented in type 'int
Fixes: 32967/clusterfuzz-testcase-minimized-ffmpeg_dem_WTV_fuzzer-5132856218222592

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f8ec1da8ac8e3daf2403e744f166ea9557b2d333)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
7f0353bc55 avcodec/faxcompr: Check remaining bits on error in decode_group3_1d_line()
Fixes: Timeout
Fixes: 32886/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-4779761466474496

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 7b3881f0da6da00cb6b5b123328e2fbfca936c47)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
26369e6ca9 avformat/mov: check for pts overflow in mov_read_sidx()
Fixes: signed integer overflow: 9223372036846336888 + 4278255871 cannot be represented in type 'long'
Fixes: 32782/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-6059216516284416

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 ee53bb2399d8f387ac93a18ba0600ca7b04ac634)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
246b3d58a9 avcodec/utils: Check ima wav duration for overflow
Fixes: signed integer overflow: 44331634 * 65 cannot be represented in type 'int'
Fixes: 32120/clusterfuzz-testcase-minimized-ffmpeg_dem_RSD_fuzzer-5760221223583744

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 f40e9b13554d88cbdd6cd2b4a3da2cbea9590f5d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
f4c5abe2d0 avcodec/rv10: Execute whole size check earlier for rv20
Fixes: Timeout
Fixes: 31380/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RV20_fuzzer-5230899257016320

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 f8556b632f4b29e54067ecba6f71ceb8af3806e4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
3d2af8afef avformat/cafdec: Check channels
Fixes: signed integer overflow: -1184429040541376544 * 32 cannot be represented in type 'long'
Fixes: 31788/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-6236746338664448

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 641c1db22bb27752b925293ad93f68843baa43bf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
48be6b27e7 avcodec/exr: increase vlc depth
Fixes: shift exponent -4 is negative
Fixes: 32265/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-465133454137753

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 3344079d3065c99563c65277be89ec694a7ca818)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
b3f458f89f avcodec/dpx: Check bits_per_color earlier
Fixes: shift exponent 251 is too large for 32-bit type 'int'
Fixes: 32147/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DPX_fuzzer-5519111675314176

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 c093eb30311b7148a4da1c7555498187c8cdf0db)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Michael Niedermayer
b2a94f5937 avformat/mvi: Check audio_data_size to be non negative
Fixes: left shift of negative value -224
Fixes: 32144/clusterfuzz-testcase-minimized-ffmpeg_dem_MVI_fuzzer-4971479323246592

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 7e241a1b73bcca768f48ff1851e9e9f3f0752000)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2021-06-18 20:53:56 +02:00
Timo Rothenpieler
8d172d9409 avcodec/nvenc: disable s12m timestamps by default
Leads to weird crashes with valid looking input data for otherwise
unknown reasons.
2021-05-29 23:29:06 +02:00
Martin Storsjö
c813f5e343 aarch64: hevc_idct: Fix overflows in idct_dc
This is marginally slower, but correct for all input values.
The previous implementation failed with certain input seeds, e.g.
"checkasm --test=hevc_idct 98".

Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit f27e3ccf06ee19935d160164ca4a02f28cfc2a27)
2021-05-22 22:33:20 +03:00
Fei Wang
f7468a9c40 avcodec/vaapi_av1: pass full buffer size for each tile
Previously, only the size of a given tile was passed, making the
offset and size marked in VASliceParameterBufferAV1 invalid with
multiple tiles.

Signed-off-by: Fei Wang <fei.w.wang@intel.com>
(cherry picked from commit 9b131e8500709fc7e66bf9049fc0a8f2c302cf9e)
2021-05-20 17:12:40 +03:00
Zane van Iperen
49e3dd7709
avcodec/videotoolboxenc: #define TARGET_CPU_ARM64 to 0 if not provided by the SDK
Fixes build failure on older SDKs without it.

Fixes #9242

(cherry picked from commit f9eb440e788c08c489bb1a6d24dbbe34f4597f1c)
Signed-off-by: Zane van Iperen <zane@zanevaniperen.com>
2021-05-19 10:40:30 +10:00
Anton Khirnov
e87e006121 lavc/pngdec: fix updating reference frames for APNG_DISPOSE_OP_BACKGROUND
They should be treated the same as APNG_DISPOSE_OP_NONE.

Broken in 5663301560.

Fixes #9184.

(cherry picked from commit aa726eaed9848bcf6f615d2d9e6e5dd6174ad570)
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2021-05-14 11:17:33 +02:00
Jan Ekström
70405dd7e3 ffmpeg: return no chosen output if an uninitialized stream is unavailable
Otherwise the rate emulation logic in `transcode_step` never gets
hit, and the unavailability flag never gets reset, leading to an
eternal loop with some rate emulation use cases.

This change was missed during the rework of ffmpeg.c, in which
encoder initialization was moved further down the time line in
commit 67be1ce0c6de330b1c10d1d121819d8a74a7b1f5 . Previously,
as the encoder initialization had happened earlier, this state was
not possible (flow getting as far as hitting the rate emulation logic,
yet not having the encoder initialized yet).

Fixes #9160

(cherry picked from commit ec20b8130269260f3ae1e4642da26ba556814f84)
2021-05-13 18:12:02 +03:00
Andreas Rheinhardt
74bcfe5f85 avcodec/h263, h263data: Move ff_h263_init_rl_inter to h263.c
The SVQ1 decoder does not need mpegvideo or rl.c, but it uses stuff
from h263data.c. But since 61fe481586425a41d45e371de1e875b49882477d
h263data.c called ff_rl_init() and this of course led to build errors
when the SVQ1 decoder is enabled and mpegvideo disabled.

Fix this by moving ff_h263_init_rl_inter() to h263.c.
Fixes ticket #9224.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
(cherry picked from commit e2301feabc2be18e1ee878dcdf643fd78b90c735)
2021-05-12 07:03:32 +02:00
Andreas Rheinhardt
01701019e0 configure: Add missing mpegvideo dependency for IPU decoder
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
(cherry picked from commit 8f588eea8e813304f14e1889cfdc79ab89a88deb)
2021-05-12 07:02:58 +02:00
Andreas Rheinhardt
70d1af5690 avcodec/ttmlenc: Don't confuse capabilities and caps_internal
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
(cherry picked from commit 14a6025384ea7ebb97c6b718fbc91438abf94f37)
2021-05-10 22:20:22 +02:00