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CHANGELOG.md

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1.1.0 - Spooks

In this update, some bugs were fixed that got brought up when the application was exposed to the field. Some features were built that didn't initially fit into the release schedule for 1.0.

New features:

  • Added a button to automatically detect the BPM of a track.
  • You can now exclude certain tracks from being selected by the AutoDJ.
  • Added a button to reset the volume waypoints of a track.
  • Added support for the Opus file format.
  • You can now manually adjust the trimming of audio from the start and end of each track.
    • The default for this trim is the automatic silence detection, so the default behaviour is the same.
    • The trim is shown with caliper-like sliders across the bottom of the window.
    • As a background task, the trim is pre-calculated and stored. This improves performance when starting playback of a new track.
    • To facilitate changing the trimming, the silence is now included in the spectrograph. Spectrograph should be re-generated for this version.
  • You can now add a "pause" entry to the playlist, which will cause playback to pause until you press play again.
  • When adjusting the volume within 10 seconds of the start of the track, it now adjusts the volume from the start.
  • Added a system to upgrade configuration files when first running a new version of the application.
  • When the configuration files are incompatible or corrupt, a dialogue will be shown at start-up to ask the user what to do about it.

Bug fixes:

  • Fix adjusting existing waypoints during playback when volume is changed before the last waypoint.
  • Modified waypoints during playback are now properly edited as well, triggering the proper, new volume setpoints.
  • Rapidly restarting the music after stopping it will no longer continue the fade-out.
  • Music now actually stops after the fade-out when stopping playback, rather than continuing at 0 volume.
  • Fix track sometimes sounding incredibly noisy due to mis-aligned audio chunks.
  • Background tasks now process significantly faster.
  • Greatly improved efficiency of loading and playing audio files by preventing copies of the audio data.
  • Fix packaging on newer Ubuntu, newer Debian, newer Python and newer Qt versions.

1.0.0 - Let's Dance

This is the first release of LynDJ. This release has the following features:

  • A graphical interface.
    • The interface has a music library from which songs can be selected.
      • The music library shows all files in a single directory.
      • There is a file browser field to change the currently shown directory.
      • The library can be sorted by any of the track metadata fields.
      • The columns of the library can be resized.
      • Keyboard navigation through the table.
      • A button to queue or dequeue tracks from the library.
      • Track metadata can be changed by right-clicking on a table cell.
      • Double-clicking a track will cause it to be added to the playlist.
    • The interface has a playlist to show the tracks to be played.
      • Each track shows the title, duration and cumulative duration until the file completes playing.
      • The comment for the track is shown when hovered.
      • Tracks are coloured by their speed (BPM) metadata.
      • Selecting tracks in the playlist causes them to be selected in the file browser too, so that all metadata can be found.
      • Tracks can be re-ordered by dragging them around.
      • The currently playing track cannot be re-ordered.
    • The interface has a player to control the currently playing track.
      • A button to start/stop playing.
      • A volume control.
      • A playback progress tracker.
      • An image showing the Fourier transform of the track, giving an indication of what musical cues are coming.
        • Fourier images are pre-generated in the background while the music is not playing.
        • The Fourier image resolution and brightness can be adjusted in the preferences.
    • The divider between the playlist and the library can be dragged to resize both components.
    • A separate window to adjust the application preferences.
    • An about window to show the version of the application and to show what's in the application.
  • A system to store persistent preferences.
    • The window size, state and position is also saved between application runs.
  • A logging system to the terminal and a file.
  • A theme system to allow changing the look-and-feel of the application.
    • The theme can be changed on the fly without restarting the application.
    • Themes can customise colours, sizes, icons/images and fonts.
    • A default theme with a style reminiscent of art-deco.
    • Images can be re-coloured into any colour for the theme using a graphical effect.
  • Tracking metadata for music files.
    • The title, author, comment, BPM and duration can be obtained from the metadata in the file, interacting with other applications.
    • This metadata is stored in a database, and updated if the file is changed.
    • Tracking when a track was last played.
    • Additional fields for the age, style and energy level of a track.
  • An application icon featuring a dancer on a vinyl disc.
  • Audio playback via the PyAudio library.
    • The buffer size for the audio can be adjusted in the preferences.
  • Volume changes are saved and repeated when playing the track again.
    • The volume changes are shown with a graph during playback.
  • Silence is trimmed from the start and end of each track.
  • A configurable amount of seconds of silence between each track.
  • The music gradually fades out when playback is stopped.
  • A system for executing tasks in the background.
    • Some background tasks can only be executed while no music is playing.
    • The progress of executing background tasks is shown with a small icon in the interface.
  • A toggle between mono and stereo.
  • A session end time can be set to remind the DJ when he's going over time and by how much.
  • The AutoDJ will suggest the next track to add to the playlist.
    • The suggested track is shown above the playlist, and can be added with the push of a button.
    • A slider adjusts the energy level of the AutoDJ.
    • A bunch of parameters can be changed to adjust the suggestions of the AutoDJ.
  • A history of the most recently played tracks.
    • The history is located beneath the playlist and can be folded out and in.
  • Added packagers for Linux and Windows.
    • A build system builds the application using PyInstaller.
    • The application is packaged for Linux using AppImage, creating an executable image.
    • The application is packaged for Windows using NSIS, creating an installer.
      • The NSIS installer installs the application in a designated folder.
      • The NSIS installer creates a desktop shortcut and a start menu shortcut.
      • The NSIS installer registers the program.