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corrscope/CHANGELOG.md

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0.7.0 (unreleased)

Major Changes

  • Enable chroma subsampling by default (may affect saved projects) (#331)
  • Improve FPS by reducing rendering overhead (#335)

Changelog

  • Add menu items linking to config folder and Github repository (#343)
  • Fix FFmpeg URL, switch to static FFmpeg to reduce user error (#332, #358)
  • Fix bug where videos were truncated if first channel was shorter than the rest (#360)

0.6.1

Long delayed... sorry.

Major Changes

  • Fix bug where narrow pulse waves were erroneously detected as silence (#306)
  • Fix Windows-only crash when opening a non-ASCII path and restarting corrscope (#311)
  • Fix bug where unrecognized fonts would cause corrscope to crash (#313)
  • Fix bug where pip install corrscope failed on Linux because PyQt5-sip was pinned to 4.x (#319)

Changelog

  • On Windows, use locale-specific font, not hard-coded Segoe UI (#322)

0.6.0

Features

  • Rewrite pitch tracking to avoid false negatives (#274)
    • Previously, we rescaled the buffer to maximize spectral similarity between data 2 frames ago and data now.
    • Now we rescale the buffer to maximize spectral similarity between the buffer and data now.
  • Improve period calculation, add maximum frequency cap (#294)
    • Fixes incorrectly high frequency with low bass notes
    • Fixes incorrectly high frequency with treble-heavy waveforms

Major Changes

  • Update default options for new projects (#275)
    • Stereo grid opacity = 0.25
    • Render FPS Divisor = 2 (preview-only, faster)
    • Trigger Width = 60 ms
  • Always enable midline color, remove color checkbox (#291)
    • Can be disabled separately for h/v
  • Enable grid color #55aaff for new projects (#300)

Changelog

  • Increase GUI maximum Trigger/Render Width to 200 ms
  • Update trigger GUI, merge all edge-related triggers (#299)
  • Rewrite FPS printing code
  • Add test to ensure cancelling render terminates FFmpeg quickly
  • Add support for excluding fields from always_dump="*" (#268)
    • Don't dump viewport_width/height by default

0.5.1

This is a bugfix release, since master has regressions in pitch tracking.

Changelog

  • Improve GUI dialog path defaults (#277)
  • Display all GUI errors in dialog box, instead of crashing (#279)
  • Display dialog and terminate ffmpeg, when closing project with preview/render active (#280)

0.5.0

Breaking Changes

  • Reorganize GUI, move trigger options to tab
  • Improve NES triangle triggering, switch data window to Gaussian (#244)
  • Remove mean responsiveness (always set to 1)
    • To improve triangle waves, use sign triggering instead.

Features

  • Add sign triggering (37d2c08a)
  • Add support for per-channel labels (#256)
    • Some fonts may not work or display the wrong weight, due to Matplotlib issues.
  • Add configurable grid line width (#265)
  • Add Ctrl+Tab or Ctrl+PageUp/Down shortcuts to switch GUI tabs (#246)

Changelog

  • Quit GUI when pressing Ctrl-C in terminal (#252)
  • Rewrite resolution division system to use internal DPI (#264)
  • Refactor renderer API (c8239558)
  • Add renderer debugging visualizations (development only)

0.4.0

Breaking Changes

  • Set default mean responsiveness to 0.05 instead of 1 (even in unmodified older files, oops)
  • Always use full-resolution rendering, when rendering to file (make trigger/render subsampling preview-only)
  • Remove buffer falloff from GUI (defaults to 0.5)
  • Lag prevention is no longer increased, when trigger subsampling or trigger width × are >1

Features

  • Add Help menu (online help manual)
  • Add custom stereo downmix modes
    • Allow left-only triggering, downmixing specific channels to mono, etc.
  • Add post-triggering for finding zero-crossing edges
  • Add optional slope-based triggering
    • Previous edge-triggering was area-based and located zero crossings

Changelog

  • Add trigger "buffer responsiveness" option
  • Remove dependency on more_itertools

0.3.1

Breaking Changes

  • Fix time-traveling bug by reverting "Increase trigger diameter to improve bass stability" from 0.3.0

Changelog

  • Rebuild UI in Python, not .ui XML
  • Show stack trace dialog when loading config fails
  • Show stack trace dialog if exceptions raised before playback begins

0.3.0

Breaking Changes

  • Increase trigger diameter to improve bass stability
  • Line width is now measured in pixels. (previously, 1 pt = 4/3 px)
  • Tweak default config settings: white lines, gray midlines, 1 column, vertical orientation.
    • Enable preview-only resolution divisor by default, to boost speed

Features

  • Add pitch-tracking trigger checkbox
    • Waves should no longer jump around when pitch changes.
    • Rapidly repeating pitch changes (less than 6 frames apart) are skipped for performance.
    • Pitch tracking may increase CPU usage on noise channels. See https://github.com/corrscope/corrscope/issues/213 for details
  • Add stereo rendering support
    • Located in stereo tab in GUI
  • Add per-channel amplification support
  • Add color picker to GUI
  • Add unit suffixes to GUI spinboxes

Changelog

  • Prevent YAML dump from line-breaking long paths
  • Dump Config.show_internals to YAML by default
  • Add non-GUI option to disable antialiasing (does not improve performance)

0.2.0 and before

See https://github.com/corrscope/corrscope/releases.