newsAdvanced Gtk+ Sequencer - News: GSequencer version 4.0.5 released

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Advanced Gtk+ Sequencer v5.2.0 released posted by jkraehemann, Wed 31 May 2023 03:39:47 PM UTC
Advanced Gtk+ Sequencer v5.0.0 released posted by jkraehemann, Mon 24 Apr 2023 06:22:02 PM UTC
gsequencer-2-5 backport posted by jkraehemann, Sat 18 Mar 2023 02:18:27 PM UTC
GSequencer version 4.0.5 released posted by jkraehemann, Tue 24 May 2022 05:54:00 PM UTC
GSequencer version 4.0.x announcement posted by jkraehemann, Sat 26 Feb 2022 09:47:43 AM UTC

GSequencer version 4.0.5 released

Item posted by Joël Krähemann <jkraehemann> on Tue 24 May 2022 05:54:00 PM UTC.

Today, we released the new GSequencer major release version 4.0.0.

I was working on the version 4.0.x branch for 6 months. We migrated to Gtk4 and libsoup-3.0.

The migration to Gtk4 was a big task. Implementing GtkOrientable was a thing and for sure the removal of GtkContainer. But with these changes we have a better, now. The introduction of AgsConnectableFlags was affecting many objects in following shared libraries:,, and

The hamburger menu replaced the traditional menubar, but it is still available. The editor's machine selector widget has seen some changes. You enable or disable machines by a popover menu. The machines are in order of machine's vertical box.

The wave form editor clipboard was fixed.

uniform API for utility functions

For all audio processing functions we have a matching utility header. The audio processing functions are tied to a boxed type. This struct allows you to prefault memory and adjusting parameters.

  • ags/audio/ags_chorus_util.h
  • ags/audio/ags_envelope_util.h
  • ags/audio/ags_fast_pitch_util.h
  • ags/audio/ags_fluid_iir_filter_util.h
  • ags/audio/ags_fluid_interpolate_4th_order_util.h
  • ags/audio/ags_fluid_interpolate_7th_order_util.h
  • ags/audio/ags_fluid_interpolate_linear_util.h
  • ags/audio/ags_fluid_interpolate_none_util.h
  • ags/audio/ags_fm_synth_util.h
  • ags/audio/ags_frequency_aliase_util.h
  • ags/audio/ags_hq_pitch_util.h
  • ags/audio/ags_lfo_synth_util.h
  • ags/audio/ags_linear_interpolate_util.h
  • ags/audio/ags_noise_util.h
  • ags/audio/ags_peak_util.h
  • ags/audio/ags_phase_shift_util.h
  • ags/audio/ags_resample_util.h
  • ags/audio/ags_sf2_synth_util.h
  • ags/audio/ags_sfz_synth_util.h
  • ags/audio/ags_synth_util.h
  • ags/audio/ags_time_stretch_util.h
  • ags/audio/ags_volume_util.h

Common fields for audio buffers are destination, destination_stride, source and source_stride or for presets buffer_length, format and samplerate. The struct's fields have getter/setter functions in general.

The format field was unified to use these formats:


The destination and source field usually have got the very same format. The functions take 1 argument, the box type struct as a pointer.


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