Volume control
[Audio]

Simple volume control. More...

Typedefs
typedef struct gavl_volume_control_s	gavl_volume_control_t
	Opaque structure for a volume control.
Functions
GAVL_PUBLIC gavl_volume_control_t *	gavl_volume_control_create ()
	Create volume control.
GAVL_PUBLIC void	gavl_volume_control_destroy (gavl_volume_control_t *ctrl)
	Destroys a volume control and frees all associated memory.
GAVL_PUBLIC void	gavl_volume_control_set_format (gavl_volume_control_t ctrl, const gavl_audio_format_t format)
	Set format for a volume control.
GAVL_PUBLIC void	gavl_volume_control_set_volume (gavl_volume_control_t *ctrl, float volume)
	Set volume for a volume control.
GAVL_PUBLIC void	gavl_volume_control_apply (gavl_volume_control_t ctrl, gavl_audio_frame_t frame)
	Apply a volume control for an audio frame.

Detailed Description

Simple volume control.

This is a very simple software volume control.

typedef struct gavl_volume_control_s gavl_volume_control_t

Opaque structure for a volume control.

You don't want to know what's inside.

GAVL_PUBLIC gavl_volume_control_t* gavl_volume_control_create ( )

Create volume control.

GAVL_PUBLIC void gavl_volume_control_destroy ( gavl_volume_control_t * ctrl )

Destroys a volume control and frees all associated memory.

Parameters:

ctrl

A volume control

GAVL_PUBLIC void gavl_volume_control_set_format	(	gavl_volume_control_t *	ctrl,
		const gavl_audio_format_t *	format
	)

Set format for a volume control.

Parameters:

	ctrl	A volume control
	format	The format subsequent frames will be passed with This function can be called multiple times with one instance

GAVL_PUBLIC void gavl_volume_control_set_volume	(	gavl_volume_control_t *	ctrl,
		float	volume
	)

Set volume for a volume control.

Parameters:

	ctrl	A volume control
	volume	Volume in dB (must be <= 0.0 to prevent overflows)

GAVL_PUBLIC void gavl_volume_control_apply	(	gavl_volume_control_t *	ctrl,
		gavl_audio_frame_t *	frame
	)

Apply a volume control for an audio frame.

Parameters:

	ctrl	A volume control
	frame	An audio frame