[FFmpeg-trac] #10082(undetermined:new): fftdnoiz memory problem with block=256 option

FFmpeg trac at avcodec.org
Mon Nov 28 13:48:36 EET 2022


#10082: fftdnoiz memory problem with block=256 option
-------------------------------------+-------------------------------------
             Reporter:  castilma     |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug: ffplay aborts when fftdnoiz=block=256 is used.
 How to reproduce:
 {{{
 $ ffplay -f v4l2 -framerate 30 -video_size 640x480 -i /dev/video0 -vf
 fftdnoiz=sigma=15:block=256
 ffplay version n5.1.2 Copyright (c) 2003-2022 the FFmpeg developers
   built with gcc 12.2.0 (GCC)
   configuration: --prefix=/usr --disable-debug --disable-static --disable-
 stripping --enable-amf --enable-avisynth --enable-cuda-llvm --enable-lto
 --enable-fontconfig --enable-gmp --enable-gnutls --enable-gpl --enable-
 ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b
 --enable-libdav1d --enable-libdrm --enable-libfreetype --enable-libfribidi
 --enable-libgsm --enable-libiec61883 --enable-libjack --enable-libmfx
 --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb
 --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-
 libpulse --enable-librav1e --enable-librsvg --enable-libsoxr --enable-
 libspeex --enable-libsrt --enable-libssh --enable-libsvtav1 --enable-
 libtheora --enable-libv4l2 --enable-libvidstab --enable-libvmaf --enable-
 libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-
 libx265 --enable-libxcb --enable-libxml2 --enable-libxvid --enable-libzimg
 --enable-nvdec --enable-nvenc --enable-opencl --enable-opengl --enable-
 shared --enable-version3 --enable-vulkan
   libavutil      57. 28.100 / 57. 28.100
   libavcodec     59. 37.100 / 59. 37.100
   libavformat    59. 27.100 / 59. 27.100
   libavdevice    59.  7.100 / 59.  7.100
   libavfilter     8. 44.100 /  8. 44.100
   libswscale      6.  7.100 /  6.  7.100
   libswresample   4.  7.100 /  4.  7.100
   libpostproc    56.  6.100 / 56.  6.100
 Input #0, video4linux2,v4l2, from '/dev/video0':B sq=    0B f=0/0
   Duration: N/A, start: 246036.396858, bitrate: 147456 kb/s
   Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 640x480,
 147456 kb/s, 30 fps, 30 tbr, 1000k tbn
 malloc_consolidate(): invalid chunk sizeq=  600KB sq=    0B f=0/0
 Abgebrochen
 }}}

 using ffmpeg instead and saving to a file works, but the file has pink
 horizontal line fragments. This sounds like memory corruption.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10082>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker


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