bt_waveform_viewer_new ()

GtkWidget *
bt_waveform_viewer_new ();

Create a new waveform viewer widget. Use bt_waveform_viewer_set_wave() to pass wave data.

bt_waveform_viewer_set_wave ()

void
bt_waveform_viewer_set_wave (BtWaveformViewer *self,
                             int16_t *data,
                             int channels,
                             int length);

Set wave data to show in the widget.

struct BtWaveformViewer

struct BtWaveformViewer;

waveform view widget

The “loop-begin” property

  “loop-begin”               gint64

First sample of the loop or -1 if there is no loop.

Flags: Write

Allowed values: >= -1

Default value: -1

The “loop-end” property

  “loop-end”                 gint64

First sample after the loop or -1 if there is no loop.

Flags: Write

Allowed values: >= -1

Default value: -1

The “playback-cursor” property

  “playback-cursor”          gint64

Current playback position within a waveform or -1 if sample is not played.

Flags: Write

Allowed values: >= -1

Default value: -1

The “wave-length” property

  “wave-length”              gint64

The current waveform length.

Flags: Read

Allowed values: >= 0

Default value: 0