Resample_float Class Reference

#include <resample.h>

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Public Member Functions
	Resample_float (File *file, int channels)
	~Resample_float ()
void	reset (int channel=-1)
float	blackman (int i, float offset, float fcn, int l)
int	get_output_size (int channel)
void	read_output (double *output, int channel, int size)
void	resample_chunk (float *input, long in_len, int in_rate, int out_rate, int channel)
int	resample (double *output, long out_len, int in_rate, int out_rate, int channel, long in_position, long out_position)
virtual void	read_chunk (float *input, long len, int &reseek, int iteration)
Data Fields
float **	old
float *	itime
double **	output_temp
long *	output_size
long *	output_temp_start
long	output_allocation
float *	input
long *	input_chunk_end
long	input_size
int	channels
int *	resample_init
float	last_ratio
float	blackfilt [2 *BPC+1][BLACKSIZE]
File *	file
long *	last_out_end

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Detailed Description

Definition at line 76 of file resample.h.

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Constructor & Destructor Documentation

Resample_float::Resample_float	(	File *	file,
		int	channels
	)

Definition at line 327 of file resample.C.

References BLACKSIZE, input, input_chunk_end, input_size, itime, last_out_end, last_ratio, old, output_allocation, output_size, output_temp, output_temp_start, and resample_init.

Resample_float::~Resample_float

(

)

Definition at line 357 of file resample.C.

References channels, input, input_chunk_end, itime, last_out_end, old, output_size, output_temp, and output_temp_start.

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Member Function Documentation

void Resample_float::reset

(

int

channel = -1

)

Definition at line 381 of file resample.C.

References channels, input_chunk_end, last_out_end, output_size, and resample_init.

Referenced by resample().

float Resample_float::blackman	(	int	i,
		float	offset,
		float	fcn,
		int	l
	)

Definition at line 400 of file resample.C.

References e, M_PI, and RenderProfile::x.

Referenced by resample_chunk().

int Resample_float::get_output_size

(

int

channel

)

Definition at line 423 of file resample.C.

References output_size.

void Resample_float::read_output	(	double *	output,
		int	channel,
		int	size
	)

Definition at line 428 of file resample.C.

References memcpy, output_size, and output_temp.

void Resample_float::resample_chunk	(	float *	input,
		long	in_len,
		int	in_rate,
		int	out_rate,
		int	channel
	)

Definition at line 439 of file resample.C.

References blackfilt, blackman(), BLACKSIZE, BPC, channels, itime, last_ratio, MIN, offset, old, output_allocation, output_size, output_temp, resample_init, and RenderProfile::y.

Referenced by resample().

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int Resample_float::resample	(	double *	output,
		long	out_len,
		int	in_rate,
		int	out_rate,
		int	channel,
		long	in_position,
		long	out_position
	)

Definition at line 576 of file resample.C.

References file, File::get_audio_position(), input, input_size, last_out_end, output_size, output_temp, output_temp_start, read_chunk(), REPOSITION, resample_chunk(), and reset().

Referenced by File::read_samples().

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void Resample_float::read_chunk	(	float *	input,
		long	len,
		int &	reseek,
		int	iteration
	)			[virtual]

Definition at line 555 of file resample.C.

References File::current_channel, File::current_sample, file, input_chunk_end, File::read_samples(), and File::set_audio_position().

Referenced by resample().

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Field Documentation

float** Resample_float::old

Definition at line 109 of file resample.h.

Referenced by resample_chunk(), Resample_float(), and ~Resample_float().

float* Resample_float::itime

Definition at line 110 of file resample.h.

Referenced by resample_chunk(), Resample_float(), and ~Resample_float().

double** Resample_float::output_temp

Definition at line 115 of file resample.h.

Referenced by read_output(), resample(), resample_chunk(), Resample_float(), and ~Resample_float().

long* Resample_float::output_size

Definition at line 120 of file resample.h.

Referenced by get_output_size(), read_output(), resample(), resample_chunk(), Resample_float(), reset(), and ~Resample_float().

long* Resample_float::output_temp_start

Definition at line 124 of file resample.h.

Referenced by resample(), Resample_float(), and ~Resample_float().

long Resample_float::output_allocation

Definition at line 126 of file resample.h.

Referenced by resample_chunk(), and Resample_float().

float* Resample_float::input

Definition at line 128 of file resample.h.

Referenced by resample(), Resample_float(), and ~Resample_float().

long* Resample_float::input_chunk_end

Definition at line 130 of file resample.h.

Referenced by read_chunk(), Resample_float(), reset(), and ~Resample_float().

long Resample_float::input_size

Definition at line 131 of file resample.h.

Referenced by resample(), and Resample_float().

int Resample_float::channels

Definition at line 132 of file resample.h.

Referenced by resample_chunk(), reset(), and ~Resample_float().

int* Resample_float::resample_init

Definition at line 133 of file resample.h.

Referenced by resample_chunk(), Resample_float(), and reset().

float Resample_float::last_ratio

Definition at line 135 of file resample.h.

Referenced by resample_chunk(), and Resample_float().

float Resample_float::blackfilt[2 *BPC+1][BLACKSIZE]

Definition at line 136 of file resample.h.

Referenced by resample_chunk().

File* Resample_float::file

Definition at line 137 of file resample.h.

Referenced by read_chunk(), and resample().

long* Resample_float::last_out_end

Definition at line 140 of file resample.h.

Referenced by resample(), Resample_float(), reset(), and ~Resample_float().

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

• hvirtual/cinelerra/resample.h
• hvirtual/cinelerra/resample.C