Opened 5 years ago
Closed 4 years ago
#7528 closed defect (fixed)
Slice threading for geq causes visual artifacts
Reported by: | llogan | Owned by: | |
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Priority: | important | Component: | avfilter |
Version: | git-master | Keywords: | geq regression |
Cc: | Blocked By: | ||
Blocking: | Reproduced by developer: | no | |
Analyzed by developer: | no |
Description
ac6b0bba79fe4de1281e0f2058646bee23d90224 causes artifacts in this geq example stolen from Gyan:
$ ffmpeg -f lavfi -i nullsrc -vf "geq='st(3,pow(X-(W/2),2)+pow(Y-(H/2),2));if(lte(ld(3),pow(min(W/2,H/2),2)),255,0)':128:128" -frames:v 1 out.png ffmpeg version N-92321-g295fd12d17 Copyright (c) 2000-2018 the FFmpeg developers built with gcc 8.2.1 (GCC) 20180831 configuration: --enable-gpl libavutil 56. 21.100 / 56. 21.100 libavcodec 58. 34.100 / 58. 34.100 libavformat 58. 19.102 / 58. 19.102 libavdevice 58. 4.107 / 58. 4.107 libavfilter 7. 39.100 / 7. 39.100 libswscale 5. 2.100 / 5. 2.100 libswresample 3. 2.100 / 3. 2.100 libpostproc 55. 2.100 / 55. 2.100 Input #0, lavfi, from 'nullsrc': Duration: N/A, start: 0.000000, bitrate: N/A Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 320x240 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> png (native)) Press [q] to stop, [?] for help Output #0, image2, to 'out.png': Metadata: encoder : Lavf58.19.102 Stream #0:0: Video: png, rgb24, 320x240 [SAR 1:1 DAR 4:3], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc58.34.100 png frame= 1 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.04 bitrate=N/A speed=2.05x video:11kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
Output looks normal with -filter_threads 1
/-filter_complex_threads 1
.
Attachments (2)
Change History (4)
by , 5 years ago
comment:1 by , 4 years ago
Status: | new → open |
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comment:2 by , 4 years ago
Resolution: | → fixed |
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Status: | open → closed |
Fixed in c044ac2071fd1ba2b184a35427c98fc5338a9d27.
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