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/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/*
* lpc_masking_model.h
*
* LPC functions
*
*/
#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_LPC_MASKING_MODEL_H_
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_LPC_MASKING_MODEL_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "structs.h"
void WebRtcIsacfix_GetVars(const WebRtc_Word16 *input,
const WebRtc_Word16 *pitchGains_Q12,
WebRtc_UWord32 *oldEnergy,
WebRtc_Word16 *varscale);
void WebRtcIsacfix_GetLpcCoef(WebRtc_Word16 *inLoQ0,
WebRtc_Word16 *inHiQ0,
MaskFiltstr_enc *maskdata,
WebRtc_Word16 snrQ10,
const WebRtc_Word16 *pitchGains_Q12,
WebRtc_Word32 *gain_lo_hiQ17,
WebRtc_Word16 *lo_coeffQ15,
WebRtc_Word16 *hi_coeffQ15);
typedef int32_t (*CalculateResidualEnergy)(int lpc_order,
int32_t q_val_corr,
int q_val_polynomial,
int16_t* a_polynomial,
int32_t* corr_coeffs,
int* q_val_residual_energy);
extern CalculateResidualEnergy WebRtcIsacfix_CalculateResidualEnergy;
int32_t WebRtcIsacfix_CalculateResidualEnergyC(int lpc_order,
int32_t q_val_corr,
int q_val_polynomial,
int16_t* a_polynomial,
int32_t* corr_coeffs,
int* q_val_residual_energy);
#if (defined WEBRTC_DETECT_ARM_NEON) || (defined WEBRTC_ARCH_ARM_NEON)
int32_t WebRtcIsacfix_CalculateResidualEnergyNeon(int lpc_order,
int32_t q_val_corr,
int q_val_polynomial,
int16_t* a_polynomial,
int32_t* corr_coeffs,
int* q_val_residual_energy);
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_LPC_MASKING_MODEL_H_ */
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