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CHANGELOG.md

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v2.0.3

Bugfixes:

  • MacOS: Fix using Aggregate devices for playback.

v2.0.2

Bugfixes:

  • MacOS: Fix a segfault when reading clock source names for some capture devices.
  • Windows: Adjust the missed event threshold, avoids some rare stuttering.

v2.0.1

Bugfixes:

  • Ignore capture_samplerate when resampling is disabled.
  • Increase Alsa device buffer sizes to avoid errors.

v2.0.0

New features:

  • Add dynamic range compressor.
  • Add websocket commands to read peak and rms history.
  • Add ToggleMute websocket command.
  • Add AdjustVolume websocket command for relative volume changes.
  • Better handling of USB gadget in Alsa backend.
  • Add option to bypass pipeline steps.
  • Bluetooth capture support on Linux via Bluez.
  • Updated resampler with faster lower quality options.
  • Higher precision of biquad filters.
  • More flexible configuration of resampler type and quality.
  • Allow setting optional config parameters to null to use default value.
  • Add "Dummy" convolution filter type for easier CPU load testing.
  • Add title and description fields to various parts of the config.
  • Gain can be specified in dB or linear scale.
  • Websocket command to reset clipped samples counter.
  • Add an always enabled default volume control.
  • Add several volume control channels (faders).
  • Change Loudness filter to only perform loudness compensation.
  • Add more ditherers.
  • Add GeneralNotch biquad type.
  • Add Tilt equalizer biquad combo.
  • Add GraphicEqualizer biquad combo.
  • Support rate adjust for BlachHole on macOS.
  • Add statefile for persisting runtime parameters to file.
  • Websocket command to get pipeline processing capacity utilization.
  • Add commands to read statefile path and updating status.
  • Improved handling of config changes via SIGHUP and websocket.

Changes:

  • Optimize cpu load in general, and of dithering and delay filters in particular.
  • More logical names for dither types.
  • Updated Shibata dither coeffients.
  • Rename Set/GetConfigName websocket commands to Set/GetConfigFilePath.
  • Removed redundantchange_format parameter to simplify CoreAudio device config.

1.0.3

Bugfixes:

  • Volume and Loudness filters keep mute state on config reload.

1.0.2

Bugfixes:

  • Optimize inefficient peak and rms calculations.
  • Switch to stable compiler for release builds, fixes memory leak in pre-built v1.0.1 binary on macOS.

1.0.1

Bugfixes:

  • Alsa: Avoid opening capture and playback devices at the same time since this causes trouble with some devices.

1.0.0

New features:

  • New improved CoreAudio backend.
  • Switch to faster logging library.
  • Improved support for Wasapi loopback capture.
  • Add "Stalled" state.
  • Some Mixer parameters made optional.
  • Delay value can be given in millimetres.
  • Improved Alsa backend.
  • Handle subnormal numbers in IIR filters (Biquad and DiffEq).

0.6.3

Bugfixes:

  • Fix slow start with Alsa plug devices (regression in 0.6.2).

0.6.2

New features:

  • Updated wasapi library.
  • Add FivePointPeq biquad combo.
  • Support wav with extended header.

Bugfixes:

  • Stop properly after failing to start with bad wasapi config.

0.6.1

New features:

  • Add lists of supported device types in help message.

Bugfixes:

  • Fix broken Wasapi shared mode.
  • Correct "built with features" list in help.
  • Correct list of supported device types.

0.6.0

New features:

  • New Wasapi backend with support for exclusive mode and loopback.
  • Do proper shutdown on SIGINT (ctrl-c).
  • Add StopReason websocket command.
  • Add GetPreviousConfig websocket command to get the previously active config.
  • Add option to stop on detected sample rate change.
  • Add support for rate adjust on the ALSA USB gadget capture device (introduced in kernel 5.14).

Bugfixes:

  • Add missing token handling in .wav FIR coefficient filenames.

0.5.2

New features:

  • Peaking, Notch, Bandpass and Allpass filters can be defined with bandwidth.
  • Highshelf and Lowshelf can be defined with Q-value.

0.5.1

New features:

  • Add JACK support.
  • Add GetSupportedDeviceTypes websocket command.

Bugfixes:

  • Handle wav files with extended fmt chunk.
  • Don't allow starting with zero channels.

0.5.0

New features:

  • Add RMS and Peak measurement for each channel at input and output.
  • Add a Volume filter for volume control.
  • Add exit codes.
  • Adapt check output to be more suitable for scripts.
  • Search for filter coefficient files with relative paths first in config file dir.
  • Add ShibataLow dither types.
  • Add option to write logs to file.
  • Skip processing of channels that are not used in the pipeline.
  • Update to new faster RustFFT.
  • Overriding samplerate also scales chunksize.
  • Use updated faster resampler.
  • Enable experimental neon support in resampler via neon feature.
  • Add Loudness volume control filter.
  • Add mute options in mixer and Gain filters.
  • Add mute function to Volume and Loundness filters, with websocket commands.
  • Add debug feature for extra logging.
  • Improve validation of filters.
  • Setting to enable retry on reads from Alsa capture devices (helps avoiding driver bugs/quirks for some devices).
  • Optionally avoid blocking reads on Alsa capture devices (helps avoiding driver bugs/quirks for some devices).
  • Read FIR coefficients from WAV.
  • Add subsample delay.

Bugfixes:

  • Don't block playback for CoreAudio/Wasapi if there is no data in time.
  • Validate silence_threshold and silence_timeout fields.
  • Fix panic when reloading config if a new filter was defined but not added to the pipeline.
  • Check for mixer parameter changes when reloading config.
  • Token substutution and overrides also work via websocket.
  • Don't exit on SIGHUP when waiting for a config.
  • Fix handling of negative values when reading filter coeffs in S24LE3 format.
  • Gain filters react to mute setting on reload.
  • Fix noise in output when resampling and muting all channels in mixer.
  • Fix handling of negative values for input and output in S24LE format.

0.4.2

Bugfixes:

  • Fix random garbage output when using the Stdout playback device.

0.4.1

Bugfixes:

  • Fix incorrect config checks for LinkwitzRiley and Butterworth biquads.

0.4.0

New features:

  • New commands to get more playback information from the websocket server.
  • Changed all websocket commands to use Json input and output.
  • Added optional support for secure websocket connections (wss).
  • Rename the optional websocket to feature to websocket.
  • Add new optional feature secure-websocket for wss support.
  • Added an option to generate arbitrary length filters for testing convolution cpu load.
  • Possible to use Reload command to restart from inactive state.
  • Handle quirks of the USB audio gadget when used as Alsa capture source.
  • Add loglevel option.
  • Use local time instead of UTC in log messages.
  • Add command line options to override some parameters.
  • Add substitution of $samplerate$ and $channels$ tokens in config.

Bugfixes:

  • Better handling of input device errors, fixes 100% cpu usage after panic.
  • Use Instant instead of SystemTimeto avoid issues when system clock is changed.
  • Fix 100% cpu when Stdin doesn't provide any data.
  • Reduce cpu usage when using PulseAudio.
  • Fix buffer size handling for alsa capture.
  • Fix high frequency noise from synchronous resampler.

0.3.2

New features:

  • New commands to get more information from the websocket server.
  • Possible to skip lines or bytes in coefficient files.
  • Updated Cpal library.
  • Added capture and playback devices Stdin & Stdout.
  • Improved error messages.
  • Improved validation of mixer config.
  • Added option to set which IP address to bind websocket server to.

Bugfixes:

  • Fix websocket exit command.
  • Correct response of setconfigname websocket command.
  • Fix buffer underrun soon after starting Alsa playback.
  • Correct scaling of FIR coefficients when reloading config.

0.3.1

New features:

  • Rate adjust via the resampler also for Wasapi and CoreAudio.

0.3.0

New features:

  • Support for Windows (Wasapi) and macOS (CoreAudio) via the Cpal library.

0.2.2

New features:

  • Fix building on Windows and macOS.
  • Updated versions of several libraries.
  • Improved speed from optimization of several important loops.

0.2.1

New features:

  • Convolver was optimized to be up to a factor 2 faster.

0.2.0

New features:

  • Synchronous resampler that replaces the previous FastSync, BalancedSync and AccurateSync types with a single one called Synchronous. This uses FFT for a major speedup.
  • The Async resamplers have been optimized and are now around a factor 2 faster than before.

Bugfixes:

  • Fixed error when setting Alsa buffer size in some cases.

0.1.0

New features:

  • Support for asynchronous resampling in all backends.
  • Added S24LE3 format (corresponds to Alsa S24_3LE)
  • File capture device can skip a number of bytes at the beginning of a file and then read a limited number of bytes

Other:

  • Alsa backend rewritten to reduce code duplication
  • Improved debug output

0.0.14

Last version without resampling