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add wide (64-bit) versions of the FIR filter and inverse filter, remove unused arg from quantizing routine

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Josh Coalson
2002-10-04 05:25:54 +00:00
parent b070fe6023
commit eac1024aea
2 changed files with 78 additions and 10 deletions
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5
src/libFLAC/include/private/lpc.h
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@@ -80,7 +80,6 @@ void FLAC__lpc_compute_lp_coefficients(const FLAC__real autoc[], unsigned max_or
* IN FLAC__MIN_QLP_COEFF_PRECISION < precision
* desired precision (in bits, including sign
* bit) of largest coefficient
* IN bits_per_sample > 0 bits per sample of the originial signal
* OUT qlp_coeff[0,order-1] quantized coefficients
* OUT shift # of bits to shift right to get approximated
* LP coefficients. NOTE: could be negative.
@@ -90,7 +89,7 @@ void FLAC__lpc_compute_lp_coefficients(const FLAC__real autoc[], unsigned max_or
* 2 => coefficients are all zero, which is bad. 'shift' is
* unset.
*/
int FLAC__lpc_quantize_coefficients(const FLAC__real lp_coeff[], unsigned order, unsigned precision, unsigned bits_per_sample, FLAC__int32 qlp_coeff[], int *shift);
int FLAC__lpc_quantize_coefficients(const FLAC__real lp_coeff[], unsigned order, unsigned precision, FLAC__int32 qlp_coeff[], int *shift);
/*
* FLAC__lpc_compute_residual_from_qlp_coefficients()
@@ -106,6 +105,7 @@ int FLAC__lpc_quantize_coefficients(const FLAC__real lp_coeff[], unsigned order,
* OUT residual[0,data_len-1] residual signal
*/
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[]);
#ifndef FLAC__NO_ASM
#ifdef FLAC__CPU_IA32
#ifdef FLAC__HAS_NASM
@@ -131,6 +131,7 @@ void FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx(const FLAC__i
* OUT data[0,data_len-1] original 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[]);
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[]);
#ifndef FLAC__NO_ASM
#ifdef FLAC__CPU_IA32
#ifdef FLAC__HAS_NASM