AgsMidiUtil: Advanced Gtk+ Sequencer Audio Reference Manual

AgsMidiUtil

AgsMidiUtil — MIDI util

Functions

glong	ags_midi_util_envelope_to_velocity ()
void	ags_midi_util_velocity_to_envelope ()
glong	ags_midi_util_envelope_to_pressure ()
void	ags_midi_util_pressure_to_envelope ()
guint	ags_midi_util_delta_time_to_offset ()
glong	ags_midi_util_offset_to_delta_time ()

Includes

#include <ags/audio/midi/ags_midi_util.h>

Description

Utility functions for MIDI.

Functions

ags_midi_util_envelope_to_velocity ()

glong
ags_midi_util_envelope_to_velocity (AgsComplex *attack,
                                    AgsComplex *decay,
                                    AgsComplex *sustain,
                                    AgsComplex *release,
                                    AgsComplex *ratio,
                                    guint samplerate,
                                    guint start_frame,
                                    guint end_frame);

Envelope to velocity.

Parameters

attack	attack
decay	decay
sustain	sustain
release	release
ratio	ratio
samplerate	samplerate
start_frame	start frame
end_frame	end frame

Returns

the velocity

Since: 0.7.2

ags_midi_util_velocity_to_envelope ()

void
ags_midi_util_velocity_to_envelope (glong delta_time,
                                    gboolean is_release,
                                    AgsComplex **attack,
                                    AgsComplex **decay,
                                    AgsComplex **sustain,
                                    AgsComplex **release,
                                    AgsComplex **ratio,
                                    guint *samplerate,
                                    guint *start_frame,
                                    guint *end_frame);

Velocity to envelope.

Parameters

delta_time	delta time
is_release	is release
attack	attack
decay	decay
sustain	sustain
release	release
ratio	ratio
samplerate	samplerate
start_frame	start frame
end_frame	end frame

Since: 0.7.2

ags_midi_util_envelope_to_pressure ()

glong
ags_midi_util_envelope_to_pressure (AgsComplex *attack,
                                    AgsComplex *decay,
                                    AgsComplex *sustain,
                                    AgsComplex *release,
                                    AgsComplex *ratio,
                                    guint samplerate,
                                    guint start_frame,
                                    guint end_frame);

Envelope to pressure.

Parameters

attack	attack
decay	decay
sustain	sustain
release	release
ratio	ratio
samplerate	samplerate
start_frame	start frame
end_frame	end frame

Returns

the pressure

Since: 0.7.2

ags_midi_util_pressure_to_envelope ()

void
ags_midi_util_pressure_to_envelope (glong delta_time,
                                    gboolean is_sustain,
                                    AgsComplex **attack,
                                    AgsComplex **decay,
                                    AgsComplex **sustain,
                                    AgsComplex **release,
                                    AgsComplex **ratio,
                                    guint *samplerate,
                                    guint *start_frame,
                                    guint *end_frame);

Pressure to envelope.

Parameters

delta_time	delta time
is_sustain	is sustain
attack	attack
decay	decay
sustain	sustain
release	release
ratio	ratio
samplerate	samplerate
start_frame	start frame
end_frame	end frame

Since: 0.7.2

ags_midi_util_delta_time_to_offset ()

guint
ags_midi_util_delta_time_to_offset (glong delta_time,
                                    gdouble bpm,
                                    gdouble delay_factor,
                                    gdouble *delay,
                                    guint *attack);

Delta time to offset

Parameters

delta_time	delta time
bpm	bpm
delay_factor	delay factor
delay	delay
attack	attack

Returns

the offset

Since: 0.7.2

ags_midi_util_offset_to_delta_time ()

glong
ags_midi_util_offset_to_delta_time (guint x,
                                    gdouble bpm,
                                    gdouble delay_factor);

Offset to delta time

Parameters

x	offset
bpm	bpm
delay_factor	delay factor

Returns

the delta time

Since: 0.7.2

AgsMidiUtil

Functions

Includes

Description

Functions

ags_midi_util_envelope_to_velocity ()

Parameters

Returns

ags_midi_util_velocity_to_envelope ()

Parameters

ags_midi_util_envelope_to_pressure ()

Parameters

Returns

ags_midi_util_pressure_to_envelope ()

Parameters

ags_midi_util_delta_time_to_offset ()

Parameters

Returns

ags_midi_util_offset_to_delta_time ()

Parameters

Returns

Types and Values