lpc.h File Reference

#include "cpu.h"
#include "float.h"
#include "../../../format.h"

Go to the source code of this file.

Functions
void	FLAC__lpc_window_data (const FLAC__int32 in[], const FLAC__real window[], FLAC__real out[], unsigned data_len)
void	FLAC__lpc_compute_autocorrelation (const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
void	FLAC__lpc_compute_lp_coefficients (const FLAC__real autoc[], unsigned *max_order, FLAC__real lp_coeff[][FLAC__MAX_LPC_ORDER], FLAC__double error[])
int	FLAC__lpc_quantize_coefficients (const FLAC__real lp_coeff[], unsigned order, unsigned precision, FLAC__int32 qlp_coeff[], int *shift)
void	FLAC__lpc_compute_residual_from_qlp_coefficients (const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
void	FLAC__lpc_compute_residual_from_qlp_coefficients_wide (const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
void	FLAC__lpc_restore_signal (const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[])
void	FLAC__lpc_restore_signal_wide (const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[])
FLAC__double	FLAC__lpc_compute_expected_bits_per_residual_sample (FLAC__double lpc_error, unsigned total_samples)
FLAC__double	FLAC__lpc_compute_expected_bits_per_residual_sample_with_error_scale (FLAC__double lpc_error, FLAC__double error_scale)
unsigned	FLAC__lpc_compute_best_order (const FLAC__double lpc_error[], unsigned max_order, unsigned total_samples, unsigned overhead_bits_per_order)

Function Documentation

FLAC__lpc_compute_autocorrelation()

void FLAC__lpc_compute_autocorrelation	(	const FLAC__real	data[],
		unsigned	data_len,
		unsigned	lag,
		FLAC__real	autoc[] )

FLAC__lpc_compute_best_order()

unsigned FLAC__lpc_compute_best_order	(	const FLAC__double	lpc_error[],
		unsigned	max_order,
		unsigned	total_samples,
		unsigned	overhead_bits_per_order )

FLAC__lpc_compute_expected_bits_per_residual_sample()

FLAC__double FLAC__lpc_compute_expected_bits_per_residual_sample	(	FLAC__double	lpc_error,
		unsigned	total_samples )

FLAC__lpc_compute_expected_bits_per_residual_sample_with_error_scale()

FLAC__double FLAC__lpc_compute_expected_bits_per_residual_sample_with_error_scale	(	FLAC__double	lpc_error,
		FLAC__double	error_scale )

FLAC__lpc_compute_lp_coefficients()

void FLAC__lpc_compute_lp_coefficients	(	const FLAC__real	autoc[],
		unsigned *	max_order,
		FLAC__real	lp_coeff[][FLAC__MAX_LPC_ORDER],
		FLAC__double	error[] )

FLAC__lpc_compute_residual_from_qlp_coefficients()

void FLAC__lpc_compute_residual_from_qlp_coefficients	(	const FLAC__int32 *	data,
		unsigned	data_len,
		const FLAC__int32	qlp_coeff[],
		unsigned	order,
		int	lp_quantization,
		FLAC__int32	residual[] )

FLAC__lpc_compute_residual_from_qlp_coefficients_wide()

void FLAC__lpc_compute_residual_from_qlp_coefficients_wide	(	const FLAC__int32 *	data,
		unsigned	data_len,
		const FLAC__int32	qlp_coeff[],
		unsigned	order,
		int	lp_quantization,
		FLAC__int32	residual[] )

FLAC__lpc_quantize_coefficients()

int FLAC__lpc_quantize_coefficients	(	const FLAC__real	lp_coeff[],
		unsigned	order,
		unsigned	precision,
		FLAC__int32	qlp_coeff[],
		int *	shift )

FLAC__lpc_restore_signal()

void FLAC__lpc_restore_signal	(	const FLAC__int32	residual[],
		unsigned	data_len,
		const FLAC__int32	qlp_coeff[],
		unsigned	order,
		int	lp_quantization,
		FLAC__int32	data[] )

FLAC__lpc_restore_signal_wide()

void FLAC__lpc_restore_signal_wide	(	const FLAC__int32	residual[],
		unsigned	data_len,
		const FLAC__int32	qlp_coeff[],
		unsigned	order,
		int	lp_quantization,
		FLAC__int32	data[] )

FLAC__lpc_window_data()

void FLAC__lpc_window_data	(	const FLAC__int32	in[],
		const FLAC__real	window[],
		FLAC__real	out[],
		unsigned	data_len )