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Author SHA1 Message Date
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 3e44bd068f)
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 63e75e09ae)
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 38c4761588)
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 9548dc74d8)
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 299a56c900)
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 578633fc1a)
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: a11aa5f3ed
Fixes: Sin48k16bit1ch.mp4
Reviewed-by: Thilo Borgmann <thilo.borgmann@mail.de>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f7987ce966)
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 0ff60249a5)
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 08d2df4153)
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 f0ce023ddb)
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 011006874c)
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 098314e1e5)
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 efdb564504)
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 f7c3484b26)
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 f8ec1da8ac)
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 7b3881f0da)
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 ee53bb2399)
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 f40e9b1355)
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 f8556b632f)
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 641c1db22b)
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 3344079d30)
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 c093eb3031)
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 7e241a1b73)
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 f27e3ccf06)
 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 9b131e8500)
 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 f9eb440e78)
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 aa726eaed9)
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 67be1ce0c6 . 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 ec20b81302)
 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 61fe481586
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 e2301feabc)
 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 8f588eea8e)
 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 14a6025384)
 2021-05-10 22:20:22 +02:00
James Almer
75c3969292 avformat/mpegts: add missing sample_rate value to Opus extradata 
Finishes fixing ticket #9190.

Signed-off-by: James Almer <jamrial@gmail.com>
 2021-05-02 20:54:59 -03:00
James Almer
40b896a781 avformat/movenc: fix writing dOps atoms 
Don't blindly copy all bytes in extradata past ChannelMappingFamily. Instead
check if ChannelMappingFamily is not 0 and then only write the correct amount
of bytes from ChannelMappingTable, as defined in the spec[1].

Fixes part of ticket #9190.

[1] https://opus-codec.org/docs/opus_in_isobmff.html#4.3.2

Signed-off-by: James Almer <jamrial@gmail.com>
 2021-05-02 20:54:59 -03:00
James Almer
ede71f4f57 avcodec/av1_metadata: don't store the inserted TD OBU in stack 
Fixes: stack-use-after-return
Fixes: clusterfuzz-testcase-minimized-ffmpeg_BSF_AV1_METADATA_fuzzer-5931515701755904
Fixes: clusterfuzz-testcase-minimized-ffmpeg_BSF_AV1_METADATA_fuzzer-6105676541722624

Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Signed-off-by: James Almer <jamrial@gmail.com>
 2021-05-02 20:52:34 -03:00
Andreas Rheinhardt
023bc5d926 avcodec/nellymoserenc: Fix segfault when using unsupported channels/rate 
NellyMoserEncodeContext.avctx is only set in init after these checks,
yet it is used by encode_end().
This is a regression since 0a56bfa71f.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
(cherry picked from commit 652279e35b)
 2021-04-29 02:28:20 +02:00
Brad Smith
7e9b9f24df avutil/cpu: Use HW_NCPUONLINE to detect # of online CPUs with OpenBSD 
Signed-off-by: Brad Smith <brad@comstyle.com>
Signed-off-by: Marton Balint <cus@passwd.hu>
(cherry picked from commit c8fb68ec52)
 2021-04-24 09:24:03 +02:00
Timo Rothenpieler
e3fb0f0c88 avcodec/nvenc: fix lossless tuning logic 
Relying on the order of the enum is bad.
It clashes with the new presets having to sit at the end of the list, so
that they can be properly filtered out by the options parser on builds
with older SDKs.

So this refactors nvenc.c to instead rely on the internal NVENC_LOSSLESS
flag. For this, the preset mapping has to happen much earlier, so it's
moved from nvenc_setup_encoder to nvenc_setup_device and thus runs
before the device capability check.
 2021-04-18 11:43:52 +02:00
Timo Rothenpieler
acb339bb88 avfilter/overlay_cuda: check av_buffer_ref result 2021-04-11 10:22:57 +02:00
Timo Rothenpieler
5873e06460 avfilter/overlay_cuda: hold explicit reference to hw_device_ctx 2021-04-11 10:22:54 +02:00
Andreas Rheinhardt
450f5ae49d avformat/matroskaenc: Fix leak when writing attachment without filename 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
(cherry picked from commit 08c805f4ac)
 2021-04-10 05:17:21 +02:00
Michael Niedermayer
f68ab9de4e Changelog: replace <next> by 4.4 
Found-by: <jamrial>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-04-09 06:26:39 +02:00
Michael Niedermayer
dc91b913b6 RELEASE_NOTES: Based on the version from 4.3 
Name suggested by Lynne, Gyan, Reto, Zane, Jan, Derek

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
n4.4 		2021-04-08 22:55:16 +02:00
Michael Niedermayer
aeba1a4c20 avcodec/msp2dec: Check available space in RLE decoder 
Fixes: out of array read
Fixes: 32968/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSP2_fuzzer-5315296027082752

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 caaf463311)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-04-08 22:55:16 +02:00
Michael Niedermayer
d22550dd61 avformat/mov: check offset for overflow in mov_probe() 
Fixes: Invalid read of size 4
Fixes: ASAN_Deadlysignal.zip

Found-by: Hardik Shah <hardik05@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0f6a3405e8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-04-08 22:55:16 +02:00
Anton Khirnov
2a7f1bc282 lavc/pngdec: always create a copy for APNG_DISPOSE_OP_BACKGROUND 
Calling av_frame_make_writable() from decoders is tricky, especially
when frame threading is used. It is much simpler and safer to just make
a private copy of the frame.
This is not expected to have a major performance impact, since
APNG_DISPOSE_OP_BACKGROUND is not used often and
av_frame_make_writable() would typically make a copy anyway.

Found-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b593abda6c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2021-04-08 22:55:16 +02:00
Marton Balint
25e794a1ea avformat/url: add ff_make_absolulte_url2 to be able to test windows path cases 
Signed-off-by: Marton Balint <cus@passwd.hu>
(cherry picked from commit fb4da90fec)
 2021-04-08 17:38:06 +02:00
Marton Balint
d622923b36 avformat/url: fix ff_make_absolute_url with Windows file paths 
Ugly, but a lot less broken than it was.

Fixes ticket #9166.

Signed-off-by: Marton Balint <cus@passwd.hu>
(cherry picked from commit 5dc5f289ce)
 2021-04-08 17:35:09 +02:00
Anton Khirnov
c64180fac8 lavc/pngdec: improve chunk length check 
The length does not cover the chunk type or CRC.

(cherry picked from commit ae08eec6a1)
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2021-04-08 14:15:30 +02:00
Anton Khirnov
8ee432dc23 lavc/pngdec: restructure exporting frame meta/side data 
This data cannot be stored in PNGDecContext.picture, because the
corresponding chunks may be read after the call to
ff_thread_finish_setup(), at which point modifying shared context data
is a race.

Store intermediate state in the context and then write it directly to
the output frame.

Fixes exporting frame metadata after 5663301560
Fixes #8972

Found-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit 8d74baccff)
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2021-04-08 14:15:30 +02:00