AudioTransport

#include "transport.hh"

Public Member Functions
void	advance (uint nsamples)
	AudioTransport (SpeakerArrangement speakerarrangement, uint samplerate)
bool	running () const
void	running (bool r)
int64	sample_from_tick (int64 tick) const
int64	sample_to_tick (int64 sample) const
void	set_beat (TickSignature::Beat b)
void	set_tick (int64 newtick)
void	tempo (const TickSignature &ticksignature)
void	tempo (double newbpm, uint8 newnumerator, uint8 newdenominator)
void	update_current ()

Public Attributes
int32	current_bar
int64	current_bar_tick
int8	current_beat
float	current_bpm
int64	current_frame
int32	current_minutes
double	current_seconds
double	current_semiquaver
int64	current_tick
const double	inyquist
const double	isamplerate
int64	next_bar_tick
const uint	nyquist
const uint	samplerate
const SpeakerArrangement	speaker_arrangement
TickSignature	tick_sig

Static Public Attributes
static constexpr int64	ppqn

Detailed Description

Transport information for AudioSignal processing.

Constructor & Destructor Documentation

AudioTransport()

AudioTransport ( SpeakerArrangement speakerarrangement, uint samplerate )

explicit

Member Function Documentation

running() [1/2]

bool running

(

)

const

running() [2/2]

void running

(

bool

r

)

tempo() [1/2]

void tempo	(	double	newbpm,
		uint8	newnumerator,
		uint8	newdenominator
	)

tempo() [2/2]

void tempo

(

const TickSignature &

ticksignature

)

set_tick()

void set_tick

(

int64

newtick

)

set_beat()

void set_beat

(

TickSignature::Beat

b

)

advance()

void advance

(

uint

nsamples

)

update_current()

void update_current

(

)

sample_to_tick()

int64 sample_to_tick

(

int64

sample

)

const

sample_from_tick()

int64 sample_from_tick

(

int64

tick

)

const

Member Data Documentation

ppqn

constexpr int64 ppqn

staticconstexpr

samplerate

const uint samplerate

Sample rate (mixing frequency) in Hz used for rendering.

nyquist

const uint nyquist

Half the `samplerate`.

isamplerate

const double isamplerate

Precalculated `1.0 / samplerate`.

inyquist

const double inyquist

Precalculated `1.0 / nyquist`.

speaker_arrangement

const SpeakerArrangement speaker_arrangement

Audio output configuration.

tick_sig

TickSignature tick_sig

current_frame

int64 current_frame

Number of sample frames processed since playback start.

current_tick

int64 current_tick

current_bar

int32 current_bar

Bar of *current_tick* position.

current_beat

int8 current_beat

Beat within bar of *current_tick* position.

current_semiquaver

double current_semiquaver

The sixteenth with fraction within beat.

current_bpm

float current_bpm

Running tempo in beats per minute.

current_minutes

int32 current_minutes

Minute of *current_tick* position.

current_seconds

double current_seconds

Seconds of *current_tick* position.

current_bar_tick

int64 current_bar_tick

next_bar_tick

int64 next_bar_tick