Commit Graph

10442 Commits

Author SHA1 Message Date
James Almer
a01eaecf63 avfilter/buffersrc: check for valid sample rate
A sample rate <= 0 is invalid.

Fixes an assert in ffmpeg_enc.c that assumed a valid sample rate would be set.
Fixes ticket #11385.

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 1446e37d3d)
2025-08-04 16:36:00 +02:00
Cosmin Stejerean
8e6c82cefb avfilter/bwdif: account for chroma sub-sampling in min size calculation
The current logic for detecting frames that are too small for the
algorithm does not account for chroma sub-sampling, and so a sample
where the luma plane is large enough, but the chroma planes are not
will not be rejected. In that event, a heap overflow will occur.

This change adjusts the logic to consider the chroma planes and makes
the change to all three bwdif implementations.

Fixes #10688

Signed-off-by: Cosmin Stejerean <cosmin@cosmin.at>
Reviewed-by: Thomas Mundt <tmundt75@gmail.com>
Signed-off-by: Philip Langdale <philipl@overt.org>
(cherry picked from commit 737ede405b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-04 16:35:57 +02:00
Paul B Mahol
3a8f94cf7b avfilter/af_afwtdn: fix crash with EOF handling
(cherry picked from commit b1942734c7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-04 16:35:56 +02:00
Paul B Mahol
28a7db7239 avfilter/vf_colorcorrect: fix memory leaks
(cherry picked from commit 5f87a68cf7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-04 16:35:56 +02:00
Zhao Zhili
785a6df0e4 avfilter/vf_codecview: fix heap buffer overflow
And improve the performance by a little bit.

Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
(cherry picked from commit 99debe5f82)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-04 16:35:56 +02:00
Michael Niedermayer
04e985a5c9 avfilter/vf_v360: Fix NULL pointer use
Fixes: applying zero offset to null pointer
partly Fixes: verysmall.flv

Found-by: Elias Myllymäki <elias.myllymaki04p@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 66e9888bf4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-04 16:35:51 +02:00
Michael Niedermayer
edfcade702 avfilter/af_pan: Fix sscanf() use
Fixes: Memory Data Leak

Found-by: Simcha Kosman <simcha.kosman@cyberark.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b5b6391d64)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-04 16:35:49 +02:00
Michael Niedermayer
ea423f628d avfilter/vf_grayworld: Use the correct pointer for av_log()
Fixes: crash

Found-by: Elias Myllymäki <elias.myllymaki04p@gmail.com>
Reviewed-by: Alexander Strasser <eclipse7@gmx.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9ffa127aa6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-04 16:35:48 +02:00
Michael Niedermayer
25a53dd099 avfilter/vf_addroi: Add missing NULL termination to addroi_var_names[]()
Fixes: out of array read

Found-by: Elias Myllymäki <elias.myllymaki04p@gmail.com>
Reviewed-by: Alexander Strasser <eclipse7@gmx.net>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b72de49295)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-04 16:35:48 +02:00
Michael Niedermayer
b04d1365d3 avfilter/vf_xfade: Compute w2, h2 with float
Fixes: CID1458148 Result is not floating-point
Fixes: CID1458149 Result is not floating-point
Fixes: CID1458150 Result is not floating-point
Fixes: CID1458151 Result is not floating-point
Fixes: CID1458152 Result is not floating-point
Fixes: CID1458154 Result is not floating-point
Fixes: CID1458155 Result is not floating-point
Fixes: CID1458156 Result is not floating-point

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b98125e5a5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-04 16:35:24 +02:00
Michael Niedermayer
4df3cd852f avfilter/vf_v360: Assert that vf was initialized
Maybe helps: CID1504571 Uninitialized scalar variable

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f802d65de0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-04 16:35:24 +02:00
Michael Niedermayer
cbe80399b8 avfilter/vf_tonemap_opencl: Dereference after NULL check
Fixes: CID1437472 Dereference before null check

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e5c0f56ca0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-04 16:35:23 +02:00
Michael Niedermayer
810159a0da avfilter/af_surround: Check output format
Fixes: CID1516994 Out-of-bounds access
Fixes: CID1516996 Out-of-bounds access
Fixes: CID1516999 Out-of-bounds access

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 22ee55a1da)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-04 16:35:23 +02:00
Michael Niedermayer
41cbd79341 avfilter/vf_xfade_opencl: Check ff_inlink_consume_frame() for failure
Fixes: CID1458127 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 43b62b7e0c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-04 16:35:23 +02:00
Marton Balint
56a67d122c avfilter/split: consume all frames before forwarding inlink status
Signed-off-by: Marton Balint <cus@passwd.hu>
(cherry picked from commit 28a7b9c863)
2025-07-06 23:00:01 +02:00
Paul B Mahol
f6efc1e8aa avfilter/split: fix EOF passing to inlink
(cherry picked from commit 374184a4dc)
2025-07-06 22:59:48 +02:00
Paul B Mahol
e09bd41752 avfilter/avfiltergraph: fix regression in picking channel layout
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 1b3f4842c1)
2025-05-22 19:42:33 -03:00
Marton Balint
cde3c5fc0c avfilter/f_loop: fix aloop activate logic
The logic did not follow the documented behaviour and that caused skipping of
some audio in the loop and in the leftover buffer.

Example command line which should produce a smooth sine wave for the whole
duration of the output:

ffmpeg -f lavfi -i "sine=r=48000:f=480:d=4" -af "aloop=loop=4:start=48000:size=48000" out.wav

Fixes ticket #11283.

Signed-off-by: Marton Balint <cus@passwd.hu>
(cherry picked from commit fe18ed3f2a)
2024-11-17 22:54:08 +01:00
Marton Balint
ff0f25a154 avfilter/f_loop: fix length of aloop leftover buffer
If the audio loop stops inside an audio frame, the leftover buffer contains the
end of the frame, which is not looped. The length supposed to be the part which
was not written to the loop buffer, so we need to drain exactly that number of
bytes from the leftover buffer.

Signed-off-by: Marton Balint <cus@passwd.hu>
(cherry picked from commit b33a594160)
2024-11-17 22:39:23 +01:00
Michael Niedermayer
d63a35fcf1 avfilter/vf_scale: Check ff_scale_adjust_dimensions() for failure
Helps: CID1513722 Operands don't affect result

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2a8fb3c2cc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-22 14:24:19 +02:00
Michael Niedermayer
a579bc48ec avfilter/scale_eval: Use 64bit, check values in ff_scale_adjust_dimensions()
Found by reviewing CID1513722 Operands don't affect result

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ad9df8bcfe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-22 10:49:30 +02:00
Michael Niedermayer
f3600aff21 avfilter/vf_lut3d: Check av_scanf()
Fixes: CID1604398 Unchecked return value
Fixes: CID1604542 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ace2e25720)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-22 10:47:13 +02:00
Michael Niedermayer
b07d36fe69 avfilter/vf_elbg: Use unsigned for shifting into the top bit
Fixes: part of CID1355110 Overflowed constant

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2af95b9214)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-22 10:46:30 +02:00
Michael Niedermayer
0f843c76ee avfilter/vf_deshake_opencl: Ensure that the first iteration initializes the best variables
Fixes: CID1452759 Uninitialized scalar variable

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9385847af4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-22 10:45:22 +02:00
Michael Niedermayer
7481e2bb30 avfilter/vf_convolution_opencl: Assert that the filter name is one of the filters
Helps with: CID1439572 Uninitialized pointer read

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 19a5a8997c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-22 01:04:24 +02:00
Michael Niedermayer
1264f27110 avfilter/vf_bm3d: Dont round MSE2SSE to an integer
Fixes: CID1439581 Result is not floating-point

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ec18ec9fc1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-21 22:24:11 +02:00
Michael Niedermayer
221dc6bb5e avfilter/af_aderivative: Free out on error
Fixes: CID1197065 Resource leak

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 382e9e79f3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-21 21:09:23 +02:00
Michael Niedermayer
5b2860a722 avfilter/af_pan: check nb_output_channels before use
Fixes: CID1500281 Out-of-bounds write
Fixes: CID1500331 Out-of-bounds write

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5fe8bf4aa5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-21 20:06:30 +02:00
Michael Niedermayer
5929007ac5 avfilter/af_mcompand: compute half frequency in double
Fixes: CID1422217 Result is not floating-point

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2d0d502ff1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-21 20:03:19 +02:00
Michael Niedermayer
0003e3cd19 avfilter/af_channelsplit: Assert that av_channel_layout_channel_from_index() succeeds
Maybe Helps: CID1503077 Bad bit shift operation

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cef720ab42)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-21 20:03:00 +02:00
Michael Niedermayer
e3dd030ef8 avfilter/af_aresample: Cleanup on av_channel_layout_copy() failure
Fixes: CID1503078 Resource leak

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7a0ea15c7a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-21 20:02:43 +02:00
Michael Niedermayer
085422937f avfilter/vf_avgblur: Check plane instead of AVFrame
Fixes: CID1551694 Use after free (false positive based on assuming that out == in and one is freed and one used)

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c296d4fdec)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-21 20:01:59 +02:00
Michael Niedermayer
6b977edd82 avfilter/drawutils: Fix depthb computation
Fixes: CID1496940 Logically dead code

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 34f821e448)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-07-21 20:00:12 +02:00
Michael Niedermayer
293b368b81 avfilter/vf_rotate: Check ff_draw_init2() return value
Fixes: NULL pointer dereference
Fixes: 3_343

Found-by: De3mond
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9c9f095e30)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 22:17:27 +02:00
Michael Niedermayer
d9ccbd71f4 avfilter/vf_thumbnail_cuda: Set ret before checking it
Fixes: CID1418336 Logically dead code

Sponsored-by: Sovereign Tech Fund
Reviewed-by: Timo Rothenpieler <timo@rothenpieler.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 02301017d2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:13:55 +02:00
Michael Niedermayer
601e4fb1f0 avfilter/signature_lookup: Dont copy uninitialized stuff around
Fixes: CID1403238 Uninitialized pointer read
Fixes: CID1403239 Uninitialized pointer read

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e7174e66ac)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:13:55 +02:00
Michael Niedermayer
32af5cb10a avfilter/signature_lookup: Fix 2 differences to the refernce SW
Fixes: CID1403227 Division or modulo by float zero

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 25cb66369e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:13:49 +02:00
Michael Niedermayer
e5c1bcee03 avfilter/vf_signature: Dont crash on no frames
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3d5f03bbc8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:04:49 +02:00
Michael Niedermayer
fa60a00f84 avfilter/signature_lookup: Do not dereference NULL pointers after malloc failure
Fixes: CID 1403229 Dereference after null check

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 98ae1ad7cf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:04:40 +02:00
Michael Niedermayer
e14a302889 avfilter/signature_lookup: dont leave uncleared pointers in sll_free()
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6c50482951)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:04:40 +02:00
Michael Niedermayer
4b3ce97dc8 avfilter/vf_minterpolate: Check pts before division
Fixes: FPE
Fixes: tickets/10758/poc20ffmpeg

Discovered by Zeng Yunxiang

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 68146f06f8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:04:39 +02:00
Michael Niedermayer
87ef16a690 avfilter/vf_vidstabdetect: Avoid double AVERRORS
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bb04235d72)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:04:38 +02:00
Michael Niedermayer
ae6912b982 avfilter/vf_swaprect: round coordinates down
Fixes: out of array access:
Fixes: tickets/10745/poc12ffmpeg

Found-by: Li Zeyuan and Zeng Yunxiang.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7deaca71b3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:04:38 +02:00
Michael Niedermayer
75e95bbc7e avfilter/vf_swaprect: Use height for vertical variables
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9f4c5bd7d2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:04:37 +02:00
Michael Niedermayer
6fe4f88a77 avfilter/vf_swaprect: assert that rectangles are within memory
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9d1ba698d2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:04:37 +02:00
Michael Niedermayer
4e9f83c65a avfilter/af_alimiter: Check nextpos before use
Fixes: out of array read
Fixes: tickets/10744/poc11ffmpeg

Found-by: Li Zeyuan and Zeng Yunxiang.
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a88b06f9ee)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:04:37 +02:00
Michael Niedermayer
ef0895572f avfilter/f_reverse: Apply PTS compensation only when pts is available
Fixes: out of array access
Fixes: tickets/10753/poc16ffmpeg

Regression since: 45dc668aea
Found-by: Zeng Yunxiang
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 61e73851a3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:04:36 +02:00
Michael Niedermayer
27197d8711 avfilter/af_stereowiden: Check length
Fixes: out of array access
Fixes: tickets/10746/poc13ffmpeg

Found-by: Zeng Yunxiang
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 50f0f8c53c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:04:36 +02:00
Michael Niedermayer
9f52c6184f avfilter/vf_weave: Fix odd height handling
Fixes: out of array access
Fixes: tickets/10743/poc10ffmpeg

Found-by: Zeng Yunxiang and Li Zeyuan
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0ecc1f0e48)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:04:36 +02:00
Michael Niedermayer
37a8ed60f1 avfilter/vf_gradfun: Do not overread last line
The code works in steps of 2 lines and lacks support for odd height
Implementing odd height support is better but for now this fixes the
out of array access

Fixes: out of array access
Fixes: tickets/10702/poc6ffmpe

Found-by: Zeng Yunxiang
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e4d2666bdc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-04-03 02:04:35 +02:00