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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-02-14 22:22:59 +02:00

107805 Commits

Author SHA1 Message Date
Michael Niedermayer
a0f0e6d813
avcodec/sga: Make it clear that the return is intentionally not checked
Related: CID1473496 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 00d029d5c0b7029720265d579389a348220decfb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 19:36:40 +02:00
Michael Niedermayer
8b19671c78
avformat/asfdec_f: Use 64bit for preroll computation
Fixes: CID1500342 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 70b499476213a198ac0f39450cddaea4b34662f5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 18:52:15 +02:00
Michael Niedermayer
66e306b8e3
avformat/argo_asf: Use 64bit in offset intermediate
Fixes: CID1467435 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d9d1f65308d40502015272a3d1cc9f805c77e075)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 18:51:58 +02:00
Michael Niedermayer
1763189d0e
avformat/ape: Use 64bit for final frame size
Fixes: CID1505963 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a2b8d03347930c051358fcbbdc557e57e157d9c9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 18:51:22 +02:00
Michael Niedermayer
b7efe0f704
avdevice/pulse_audio_enc: Use av_rescale() to avoid integer overflow
Fixes: CID1503075 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 6f52b64bcc345842a88a40ddf3873559f1160e34)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 18:34:43 +02:00
Michael Niedermayer
bc5b55a4ca
avcodec/tiff: Assert init_get_bits8() success in unpack_gray()
Helps: CID1441939 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a287f17db22c0c85f0445a1d31139cc70e73205e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 18:33:00 +02:00
Michael Niedermayer
f3424f0470
avcodec/tiff: Assert init_get_bits8() success in horizontal_fill()
Helps: CID1441167 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8814cedb079d5827e07a92e9424c2314bd0a6047)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 18:32:47 +02:00
Michael Niedermayer
3b94cf8b20
swscale/yuv2rgb: Use 64bit for brightness computation
This will not overflow for normal values
Fixes: CID1500280 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit bfc22f364d31d8f2dc2acae1bd03d5894a00b8c5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 18:30:04 +02:00
Michael Niedermayer
b8dfe07c50
swscale/x86/swscale: use a clearer name for INPUT_PLANER_RGB_A_FUNC_CASE
related: CID1497114 Missing break in switch

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3f9daf1c18c2f0fb9e6d0b94af8e92cafc0cf010)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 18:29:48 +02:00
Michael Niedermayer
b2864f699e
avutil/tests/opt: Check av_set_options_string() for failure
This is test code after all so it should test things

Fixes: CID1518990 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e3481730ed9b3b781a0d85370826bcc57d601958)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 18:29:22 +02:00
Michael Niedermayer
3ab1855847
avutil/tests/dict: Check av_dict_set() before get for failure
Failure is possible due to strdup()

Fixes: CID1516764 Dereference null return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e8a1e1899d9ededd78f8ec4722fe80c345bbf8f7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 18:28:56 +02:00
Michael Niedermayer
2f9a4353bb
avdevice/dshow: fix badly indented line
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c4004605b2fa6e2ecbd1cfc2a1da382e4f5237a5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 18:26:40 +02:00
Michael Niedermayer
84953f5c23
avformat/demux: resurrect dead stores
Fixes: CID1473512 Unused value
Fixes: CID1529228 Unused value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 33da5f4e2717cc947cf44ad9a52668694ea4ee82)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 18:24:44 +02:00
Michael Niedermayer
21fe5ce693
avcodec/mscc & mwsc: Check loop counts before use
This could cause timeouts

Fixes: CID1439568 Untrusted loop bound

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit e35fe3d8b9e345527a05b1ae958ac851fe09f1ed)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:13 +02:00
Michael Niedermayer
cb4e45231c
avcodec/mpegvideo_enc: Fix potential overflow in RD
Fixes: CID1500285 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b6b2b01025e016ce29e5add57305384a663edcfc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:13 +02:00
Michael Niedermayer
ed40d4850b
avcodec/mpeg4videodec: assert impossible wrap points
Helps: CID1473517 Uninitialized scalar variable
Helps: CID1473497 Uninitialized scalar variable

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8fc649b931a3cbc3a2dd9b50b75a9261a2fb4b49)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:13 +02:00
Michael Niedermayer
701ca03b00
avcodec/mpeg12dec: Use 64bit in bit computation
I dont think this can actually overflow but 64bit seems reasonable to use

Fixes: CID1521983 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4c725df059dd9a5f2071e204924105b3ceb74cbc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:12 +02:00
Michael Niedermayer
61332f89a6
avcodec/vble: Check av_image_get_buffer_size() for failure
Fixes: CID1461482 Improper use of negative value

Sponsored-by: Sovereign Tech Fund
Reviewed-.by: "Xiang, Haihao" <haihao.xiang@intel.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit dd5379db5d83d8b06654582afe327daa6be678a3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:12 +02:00
Michael Niedermayer
5bc913c235
avcodec/vp3: Replace check by assert
Fixes: CID1452425 Logically dead code

Sponsored-by: Sovereign Tech Fund
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 1b991e77b9b19392214f6a788541bea5662de337)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:12 +02:00
Michael Niedermayer
21fd9fb7db
avcodec/jpeg2000dec: remove ST=3 case
Fixes: CID1460979 Logically dead code

Sponsored-by: Sovereign Tech Fund
Reviewed-by: Tomas Härdin <git@haerdin.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4ed4f9a6c0a99c823706bfc4bb4df53f963f2f5a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:11 +02:00
Michael Niedermayer
52af506fdb
avcodec/qsvdec: Check av_image_get_buffer_size() for failure
Fixes: CID1477406 Improper use of negative value

Sponsored-by: Sovereign Tech Fund
Reviewed-by: "Xiang, Haihao" <haihao.xiang@intel.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8789c550faf4587527faf0bd4f6c6c5c64a04ae2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:11 +02:00
Michael Niedermayer
cb03082cfa
avcodec/exr: Fix preview overflow
Fixes: CID1515456 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 36126e4c142e43cc703f4b8c535d388ac5e403a4)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:11 +02:00
Michael Niedermayer
21249e8cbe
avcodec/fmvc: remove dead assignment
Fixes: CID1529220 Unused value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 96c116254527cc40b386f14b77e17fbe2388d5da)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:10 +02:00
Michael Niedermayer
148a3ed506
avcodec/h264_slice: Remove dead sps check
Fixes: CID1439574 Dereference after null check

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a68aa951b21b8b7db0a5200bcfebc0a077a5f094)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:10 +02:00
Michael Niedermayer
0a27f1d331
avcodec/lpc: copy levenson coeffs only when they have been computed
Fixes: CID1473514 Uninitialized scalar variable

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c2d897f3566fdf5c190583c6f5197ead5abec2ed)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:10 +02:00
Michael Niedermayer
353cc497cc
avutil/tests/base64: Check with too short output array
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c304784a86cc7e2af211ed80ce2121e788680a8e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:09 +02:00
Michael Niedermayer
f7fcdeb6a0
libavutil/base64: Try not to write over the array end
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2d216566f258badd07bc58de1e089b6e4175dc46)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:09 +02:00
Michael Niedermayer
ed6b5d6164
avcodec/cbs_av1: Avoid shift overflow
Fixes: CID1465488 Unintentional integer overflow

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit d7924a4f60f2088de1e6790345caba929eb97030)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:09 +02:00
Michael Niedermayer
b76f24c708
fftools/ffplay: Check return of swr_alloc_set_opts2()
This probably makes no difference but its more correct

Fixes: CID1503080 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f44f44155533822922f6d2f24e5c53c14e432612)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:08 +02:00
Michael Niedermayer
b0754513f4
tools/opt_common: Check for malloc failure
Fixes: CID1539100 Negative loop bound

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ba7038043a46420bc86b060dbb13b956ea50ac03)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:08 +02:00
Michael Niedermayer
c3471d55c5
doc/examples/demux_decode: Simplify loop
Fixes: CID1463550 Logically dead code

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 91d27f7e02e5bec4b6e53cc7a7f15df8be017bb3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:08 +02:00
Michael Niedermayer
c379893ebe
avformat/concatdec: Check file
Fixes: null pointer dereference
Fixes: -stream_loop 1 -ss 00:00:05 -i zgclab/ffmpeg_crash/poc2 -codec:v copy -codec:a aac -y output.mp4

Found-by: Wang Dawei and Zhou Geng, from Zhongguancun Laboratory
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a5d1497f33afa17b6a3578b66638e69bf8a558de)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:07 +02:00
Michael Niedermayer
7618da9b2d
avcodec/mpegvideo_enc: Fix 1 line and one column images
Fixes: Ticket10952
Fixes: poc21ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 96449cfeaeb95fcfd7a2b8d9ccf7719e97471ed1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:07 +02:00
Michael Niedermayer
3ca9febc6e
swscale/output: Fix integer overflow in yuv2rgba64_full_1_c_template()
Fixes: signed integer overflow: -1082982400 + -1079364728 cannot be represented in type 'int'
Fixes: 67910/clusterfuzz-testcase-minimized-ffmpeg_SWS_fuzzer-5329011971522560
The input is 9bit in 16bit, the fuzzer fills all 16bit thus generating "invalid" input
No overflow should happen with valid input.

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 1330a73ccadd855542ac4386f75fd72ff0ab5ea1)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:07 +02:00
Michael Niedermayer
91df1b66c7
swscale/output: Fix integer overflow in yuv2rgba64_1_c_template
Fixes: signed integer overflow: -831176 * 9539 cannot be represented in type 'int'
Fixes: 67869/clusterfuzz-testcase-minimized-ffmpeg_SWS_fuzzer-5117342091640832

The input is 9bit in 16bit, the fuzzer fills all 16bit thus generating "invalid" input
No overflow should happen with valid input.

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 a56559e688ffde40fcda5588123ffcb978da86d7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:06 +02:00
Michael Niedermayer
d71036b455
avcodec/avs3_parser: assert the return value of init_get_bits()
Fixes: CID1492867 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f9218e4d52e16494ed816651a110dfe0ad22638c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:06 +02:00
Michael Niedermayer
4408336d9e
avcodec/avs2_parser: Assert init_get_bits8() success with const size 15
Fixes: CID1506708 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a7c4f119c91bcb3791a3c242ee61a5c60379db4f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:06 +02:00
Michael Niedermayer
a17885a73d
avformat/mxfdec: Check body_offset
Fixes: signed integer overflow: 538976288 - -9223372036315799520 cannot be represented in type 'long'
Fixes: 68060/clusterfuzz-testcase-minimized-ffmpeg_dem_MXF_fuzzer-5523457266745344

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Tomas Härdin <git@haerdin.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 20a6bfda0f7c6447ac94611736cee6e9ce6972a0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:05 +02:00
Michael Niedermayer
a2e4f3e5f4
avformat/kvag: Check sample_rate
Fixes: Division by 0
Fixes: -copyts -start_at_zero -itsoffset 00:00:01 -itsscale 1 -ss 00:00:02  -i zgclab/ffmpeg_crash/poc1 output.mp4

Found-by: Wang Dawei and Zhou Geng, from Zhongguancun Laboratory
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c26a762ea1bf028a33554a5f7a18d8dd7d82f5a8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:22:05 +02:00
Michael Niedermayer
06cc1197e5
avcodec/ac3_parser: Check init_get_bits8() for failure
Fixes: CID1420393 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Reviewed-by: Lynne <dev@lynne.ee>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 63415168dbd96475372e37ae0fd47bafe151e2f0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:13:57 +02:00
Michael Niedermayer
dc9d2eb69d
avcodec/pngdec: Check last AVFrame before deref
Fixes: NULL pointer dereference
Fixes: 68184/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APNG_fuzzer-4926478069334016

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 091fdce87e88c8622d8af89ffa6cbb0dc20c3816)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:13:56 +02:00
Michael Niedermayer
2f0919b26a
avcodec/hevcdec: Check ref frame
Fixes: NULL pointer dereferences
Fixes: 68197/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-6382538823106560

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 5eb05f44503da3fdff82f1fed8ee2706d9841a9a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:13:56 +02:00
Michael Niedermayer
b9867cade3
doc/examples/vaapi_transcode: Simplify loop
Fixes: CID1428858(1/2) Logically dead code

Sponsored-by: Sovereign Tech Fund
Reviewed-by: "mypopy@gmail.com" <mypopy@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c9c11a0866d45827201b034349bceb2dc58a3499)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:13:55 +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 02301017d28422e4d0a4badb16f2226e70ec534a)
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 e7174e66ac6025cea4b8e590525314d3aea6a134)
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 25cb66369e7b81bd280f0bdd6d51a0e2e11881e3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-06-13 11:13:49 +02:00
llyyr
1f3baf7218
lavc/vp9: reset segmentation fields when segmentation isn't enabled
Fields under the segmentation switch are never reset on a new frame, and
retain the value from the previous frame. This bugs out a bunch of
hwaccel drivers when segmentation is disabled but update_map isn't
reset because they don't ignore values behind switches. This commit also
resets the temporal field, though it may not be required.

We also do this for vp8 [1] so this commit is just mirroring the vp8
logic.

This fixes an issue with certain samples [2] that causes blocky
artifacts with vaapi, d3d11va and cuda (and possibly others).
Mesa worked around [3] this by ignoring these fields if
segmentation.enabled is 0, but d3d11va still displays blocky artifacts.

[1] 2e877090f9:/libavcodec/vp8.c#l797
[2] https://github.com/mpv-player/mpv/issues/13533
[3] https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27816

Signed-off-by: llyyr <llyyr.public@gmail.com>
2024-05-27 12:39:43 +02:00
Brad Smith
389861c021 configure: enable ffnvcodec, nvenc, nvdec for FreeBSD
Signed-off-by: Brad Smith <brad@comstyle.com>
(cherry picked from commit 43b1a956789bf0d5796769427d40c78e460c247f)
Signed-off-by: Brad Smith <brad@comstyle.com>
2024-05-26 19:38:51 -04:00
Andreas Rheinhardt
41c2da99f7 avcodec/x86/vp3dsp_init: Set correct function pointer, fix crash
Regression since fd172185580c1ccdcfb90bbfdb59fa806fad3117;
triggered by vp4/KTkvw8dg1J8.avi in the FATE suite, but not
when running fate as this code is not used when the bitexact
flag is set.

Bisecting done by ami_stuff, patch from user Mika Fischer
in ticket #10027 (which this commit fixes).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
(cherry picked from commit c3ca90a92e7211aef8ad1d044518a34f6ba137d7)
2024-05-22 17:36:16 +02:00
Brad Smith
2d50a0e84a avutil/ppc/cpu: Also use the machdep.altivec sysctl on NetBSD
Use the machdep.altivec sysctl on NetBSD for AltiVec detection
as is done with OpenBSD.

(cherry picked from commit 115c96b9bd53e775f425f23d5b73fa0a9dedbd08)
Signed-off-by: Brad Smith <brad@comstyle.com>
2024-05-18 19:26:52 -04:00