audio file selection crashes QualCoder

[ilippert]

Describe the bug :


Fresh Fedora install, fresh install of QualCoder directly pulled from master.

Initial install does not get VLC right (vlc missing) (even though vlc was instaleld with dnf).

#794 (comment) seems to fix the vlc missing report. But then, when I click on an mp3 file, QualCoder crashes, so, maybe a follow up to #889. But the error message is different now.

To Reproduce :

• Code audio/video
• click on an audio file

leads to crash, core dump.

Expected behavior :


vlc to open

Shell message :

'NoneType' object has no attribute 'stop'
remove: path should be string, bytes or os.PathLike, not NoneType
'NoneType' object has no attribute 'stop'
Segmentation fault (core dumped)

Desktop (please complete the following information):

• OS: Fedora
• Version 40

More Research: managing files
When Manage files and selecting an audio/video files, I get on the shell more detailed errors

'NoneType' object has no attribute 'stop'
remove: path should be string, bytes or os.PathLike, not NoneType
'NoneType' object has no attribute 'stop'
ffmpeg version 6.1.1 Copyright (c) 2000-2023 the FFmpeg developers
  built with gcc 14 (GCC)
  configuration: --prefix=/usr --bindir=/usr/bin --datadir=/usr/share/ffmpeg --docdir=/usr/share/doc/ffmpeg --incdir=/usr/include/ffmpeg --libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64 --optflags='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer' --extra-ldflags='-Wl,-z,relro -Wl,--as-needed -Wl,-z,pack-relative-relocs -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld-errors -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -Wl,--build-id=sha1 ' --extra-cflags=' -I/usr/include/rav1e' --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-amrwbenc --enable-version3 --enable-bzlib --enable-chromaprint --disable-crystalhd --enable-fontconfig --enable-frei0r --enable-gcrypt --enable-gnutls --enable-ladspa --enable-lcms2 --enable-libaom --enable-libdav1d --enable-libass --enable-libbluray --enable-libbs2b --enable-libcodec2 --enable-libcdio --enable-libdrm --enable-libjack --enable-libjxl --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libharfbuzz --enable-libilbc --enable-libmp3lame --enable-libmysofa --enable-nvenc --enable-openal --enable-opencl --enable-opengl --enable-libopenh264 --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-libplacebo --enable-librsvg --enable-librav1e --enable-librubberband --enable-libsmbclient --enable-version3 --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libsvtav1 --enable-libtesseract --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libv4l2 --enable-libvidstab --enable-libvmaf --enable-version3 --enable-vapoursynth --enable-libvpx --enable-vulkan --enable-libshaderc --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libxml2 --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2 --enable-avfilter --enable-libmodplug --enable-postproc --enable-pthreads --disable-static --enable-shared --enable-gpl --disable-debug --disable-stripping --shlibdir=/usr/lib64 --enable-lto --enable-libvpl --enable-runtime-cpudetect
  libavutil      58. 29.100 / 58. 29.100
  libavcodec     60. 31.102 / 60. 31.102
  libavformat    60. 16.100 / 60. 16.100
  libavdevice    60.  3.100 / 60.  3.100
  libavfilter     9. 12.100 /  9. 12.100
  libswscale      7.  5.100 /  7.  5.100
  libswresample   4. 12.100 /  4. 12.100
  libpostproc    57.  3.100 / 57.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/ingmarlippert/Documents/GU/Hessenbox/Teaching/deep.teaching/QualCoder project/deep.teaching.qda/video/IMG_9095.MOV':
  Metadata:
    major_brand     : qt  
    minor_version   : 0
    compatible_brands: qt  
    creation_time   : 2023-11-09T14:42:58.000000Z
    com.apple.quicktime.make: Apple
    com.apple.quicktime.model: iPhone X
    com.apple.quicktime.software: 16.7.1
    com.apple.quicktime.creationdate: 2023-11-03T15:40:58+0100
    com.apple.photos.originating.signature: AQk1C0nCfyBr3RfN7Ogwuwn90KNQ
  Duration: 00:00:56.20, start: 0.000000, bitrate: 22695 kb/s
  Stream #0:0[0x1](und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 93 kb/s (default)
    Metadata:
      creation_time   : 2023-11-09T14:42:58.000000Z
      handler_name    : Core Media Audio
      vendor_id       : [0][0][0][0]
  Stream #0:1[0x2](und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 3840x2160, 22570 kb/s, 24 fps, 24 tbr, 600 tbn (default)
    Metadata:
      creation_time   : 2023-11-09T14:42:58.000000Z
      handler_name    : Core Media Video
      vendor_id       : [0][0][0][0]
      encoder         : H.264
  Stream #0:2[0x3](und): Data: none (mebx / 0x7862656D), 0 kb/s (default)
    Metadata:
      creation_time   : 2023-11-09T14:42:58.000000Z
      handler_name    : Core Media Metadata
  Stream #0:3[0x4](und): Data: none (mebx / 0x7862656D), 0 kb/s (default)
    Metadata:
      creation_time   : 2023-11-09T14:42:58.000000Z
      handler_name    : Core Media Metadata
  Stream #0:4[0x5](und): Data: none (mebx / 0x7862656D), 27 kb/s (default)
    Metadata:
      creation_time   : 2023-11-09T14:42:58.000000Z
      handler_name    : Core Media Metadata
Stream mapping:
  Stream #0:0 (aac) -> aformat:default
  showwavespic:default -> Stream #0:0 (png)
Press [q] to stop, [?] for help
Output #0, image2, to '/home/ingmarlippert/Documents/GU/Hessenbox/Teaching/deep.teaching/QualCoder project/deep.teaching.qda/audio/waveform.png':
  Metadata:
    major_brand     : qt  
    minor_version   : 0
    compatible_brands: qt  
    com.apple.photos.originating.signature: AQk1C0nCfyBr3RfN7Ogwuwn90KNQ
    com.apple.quicktime.make: Apple
    com.apple.quicktime.model: iPhone X
    com.apple.quicktime.software: 16.7.1
    com.apple.quicktime.creationdate: 2023-11-03T15:40:58+0100
    encoder         : Lavf60.16.100
  Stream #0:0: Video: png, rgba(progressive), 1020x100 [SAR 1:1 DAR 51:5], q=2-31, 200 kb/s, 1 fps, 1 tbn
    Metadata:
      encoder         : Lavc60.31.102 png
[image2 @ 0x55bb0ca33a40] The specified filename '/home/ingmarlippert/Documents/GU/Hessenbox/Teaching/deep.teaching/QualCoder project/deep.teaching.qda/audio/waveform.png' does not contain an image sequence pattern or a pattern is invalid.
[image2 @ 0x55bb0ca33a40] Use a pattern such as %03d for an image sequence or use the -update option (with -frames:v 1 if needed) to write a single image.
[out#0/image2 @ 0x55bb0ca33940] video:1kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
frame=    1 fps=0.0 q=-0.0 Lsize=N/A time=00:00:00.00 bitrate=N/A speed=   0x    
Segmentation fault (core dumped)

I note that

'NoneType' object has no attribute 'stop'
remove: path should be string, bytes or os.PathLike, not NoneType

is also appearing without the core dump.

Potential pragmatic question: how to disable the waveform?

[ilippert]

Sorry, I note that the end of the error message seems still to be the same as earlier this year at #889