#include <audio_buffer.h>

Inheritance diagram for ARDOUR::AudioBuffer:

Public Member Functions
	AudioBuffer (size_t capacity)

	~AudioBuffer ()

void	silence (framecnt_t len, framecnt_t offset=0)

void	read_from (const Sample *src, framecnt_t len, framecnt_t dst_offset=0, framecnt_t src_offset=0)

void	read_from_with_gain (const Sample *src, framecnt_t len, gain_t gain, framecnt_t dst_offset=0, framecnt_t src_offset=0)

void	read_from (const Buffer &src, framecnt_t len, framecnt_t dst_offset=0, framecnt_t src_offset=0)

void	merge_from (const Buffer &src, framecnt_t len, framecnt_t dst_offset=0, framecnt_t src_offset=0)

void	accumulate_from (const AudioBuffer &src, framecnt_t len, framecnt_t dst_offset=0, framecnt_t src_offset=0)

void	accumulate_from (const Sample *src, framecnt_t len, framecnt_t dst_offset=0, framecnt_t src_offset=0)

void	accumulate_with_gain_from (const AudioBuffer &src, framecnt_t len, gain_t gain_coeff, framecnt_t dst_offset=0, framecnt_t src_offset=0)

void	accumulate_with_gain_from (const Sample *src_raw, framecnt_t len, gain_t gain_coeff, framecnt_t dst_offset=0)

void	accumulate_with_ramped_gain_from (const Sample *src, framecnt_t len, gain_t initial, gain_t target, framecnt_t dst_offset=0)

void	apply_gain (gain_t gain, framecnt_t len)

void	set_data (Sample *data, size_t size)

void	resize (size_t nframes)

const Sample *	data (framecnt_t offset=0) const

Sample *	data (framecnt_t offset=0)

bool	check_silence (pframes_t, pframes_t &) const

void	prepare ()

bool	written () const

void	set_written (bool w)

Public Member Functions inherited from ARDOUR::Buffer
virtual	~Buffer ()

size_t	capacity () const

DataType	type () const

bool	silent () const

virtual void	clear ()

Private Attributes
bool	_owns_data

bool	_written

Sample *	_data
	Actual buffer contents. More...

Additional Inherited Members
Static Public Member Functions inherited from ARDOUR::Buffer
static Buffer *	create (DataType type, size_t capacity)

Protected Member Functions inherited from ARDOUR::Buffer
	Buffer (DataType type)

Protected Attributes inherited from ARDOUR::Buffer
DataType	_type

pframes_t	_capacity

bool	_silent

Detailed Description

Buffer containing audio data.

Definition at line 30 of file audio_buffer.h.

Constructor & Destructor Documentation

AudioBuffer::AudioBuffer ( size_t capacity )

Definition at line 30 of file audio_buffer.cc.

AudioBuffer::~AudioBuffer ( )

Definition at line 43 of file audio_buffer.cc.

Member Function Documentation

void ARDOUR::AudioBuffer::accumulate_from	(	const AudioBuffer &	src,
		framecnt_t	len,
		framecnt_t	dst_offset = `0`,
		framecnt_t	src_offset = `0`
	)

inline

Acumulate (add) len frames src starting at src_offset into self starting at dst_offset

Definition at line 84 of file audio_buffer.h.

void ARDOUR::AudioBuffer::accumulate_from	(	const Sample *	src,
		framecnt_t	len,
		framecnt_t	dst_offset = `0`,
		framecnt_t	src_offset = `0`
	)

inline

Acumulate (add) len frames src starting at src_offset into self starting at dst_offset

Definition at line 98 of file audio_buffer.h.

void ARDOUR::AudioBuffer::accumulate_with_gain_from	(	const AudioBuffer &	src,
		framecnt_t	len,
		gain_t	gain_coeff,
		framecnt_t	dst_offset = `0`,
		framecnt_t	src_offset = `0`
	)

inline

Acumulate (add) len frames src starting at src_offset into self starting at scaling by gain_coeff

Definition at line 113 of file audio_buffer.h.

void ARDOUR::AudioBuffer::accumulate_with_gain_from	(	const Sample *	src_raw,
		framecnt_t	len,
		gain_t	gain_coeff,
		framecnt_t	dst_offset = `0`
	)

inline

Accumulate (add) len frames FROM THE START OF src into self scaling by gain_coeff

Definition at line 133 of file audio_buffer.h.

void ARDOUR::AudioBuffer::accumulate_with_ramped_gain_from	(	const Sample *	src,
		framecnt_t	len,
		gain_t	initial,
		gain_t	target,
		framecnt_t	dst_offset = `0`
	)

inline

Accumulate (add) len frames FROM THE START OF src into self scaling by gain_coeff

Definition at line 148 of file audio_buffer.h.

void ARDOUR::AudioBuffer::apply_gain	(	gain_t	gain,
		framecnt_t	len
	)

inline

Definition at line 165 of file audio_buffer.h.

bool AudioBuffer::check_silence	(	pframes_t	nframes,
		pframes_t &	n
	)		const

Definition at line 72 of file audio_buffer.cc.

const Sample* ARDOUR::AudioBuffer::data ( framecnt_t offset = 0 ) const

inline

Definition at line 187 of file audio_buffer.h.

Sample* ARDOUR::AudioBuffer::data ( framecnt_t offset = 0 )

inline

Definition at line 192 of file audio_buffer.h.

void ARDOUR::AudioBuffer::merge_from	(	const Buffer &	src,
		framecnt_t	len,
		framecnt_t	dst_offset = `0`,
		framecnt_t	src_offset = `0`
	)

inlinevirtual

Acumulate (add) len frames src starting at src_offset into self starting at dst_offset

Implements ARDOUR::Buffer.

Definition at line 77 of file audio_buffer.h.

void ARDOUR::AudioBuffer::prepare ( )

inline

Definition at line 200 of file audio_buffer.h.

void ARDOUR::AudioBuffer::read_from	(	const Sample *	src,
		framecnt_t	len,
		framecnt_t	dst_offset = `0`,
		framecnt_t	src_offset = `0`
	)

inline

Read len frames src starting at src_offset into self starting at @ dst_offset

Definition at line 39 of file audio_buffer.h.

void ARDOUR::AudioBuffer::read_from	(	const Buffer &	src,
		framecnt_t	len,
		framecnt_t	dst_offset = `0`,
		framecnt_t	src_offset = `0`
	)

inlinevirtual

Read len frames src starting at src_offset into self starting at @ dst_offset

Implements ARDOUR::Buffer.

Definition at line 61 of file audio_buffer.h.

void ARDOUR::AudioBuffer::read_from_with_gain	(	const Sample *	src,
		framecnt_t	len,
		gain_t	gain,
		framecnt_t	dst_offset = `0`,
		framecnt_t	src_offset = `0`
	)

inline

Definition at line 48 of file audio_buffer.h.

void AudioBuffer::resize ( size_t nframes )

virtual

Reallocate the buffer used internally to handle at least of data

Constructor MUST have been passed capacity!=0 or this will die (to prevent mem leaks).

Implements ARDOUR::Buffer.

Definition at line 50 of file audio_buffer.cc.

void ARDOUR::AudioBuffer::set_data	(	Sample *	data,
		size_t	size
	)

inline

Set the data contained by this buffer manually (for setting directly to jack buffer).

Constructor MUST have been passed capacity=0 or this will die (to prevent mem leaks).

Definition at line 173 of file audio_buffer.h.

void ARDOUR::AudioBuffer::set_written ( bool w )

inline

Definition at line 202 of file audio_buffer.h.

void AudioBuffer::silence	(	framecnt_t	len,
		framecnt_t	offset = `0`
	)

virtual

Clear (eg zero, or empty) buffer

Implements ARDOUR::Buffer.

Definition at line 83 of file audio_buffer.cc.

bool ARDOUR::AudioBuffer::written ( ) const

inline

Definition at line 201 of file audio_buffer.h.

Member Data Documentation

Sample* ARDOUR::AudioBuffer::_data

private

Actual buffer contents.

Definition at line 207 of file audio_buffer.h.

bool ARDOUR::AudioBuffer::_owns_data

private

Definition at line 205 of file audio_buffer.h.

bool ARDOUR::AudioBuffer::_written

private

Definition at line 206 of file audio_buffer.h.

The documentation for this class was generated from the following files:

/usr/local/music/src/ardour/4.0/libs/ardour/ardour/audio_buffer.h
/usr/local/music/src/ardour/4.0/libs/ardour/audio_buffer.cc

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation