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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.
*/
#ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_FILTERBANK_INTERNAL_H_
#define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_FILTERBANK_INTERNAL_H_
#include "typedefs.h"
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
/* Arguments:
* io: Input/output, in Q0.
* len: Input, sample length.
* coefficient: Input.
* state: Input/output, filter state, in Q4.
*/
void WebRtcIsacfix_HighpassFilterFixDec32(int16_t *io,
int16_t len,
const int16_t *coefficient,
int32_t *state);
typedef void (*AllpassFilter2FixDec16)(
int16_t *data_ch1, // Input and output in channel 1, in Q0
int16_t *data_ch2, // Input and output in channel 2, in Q0
const int16_t *factor_ch1, // Scaling factor for channel 1, in Q15
const int16_t *factor_ch2, // Scaling factor for channel 2, in Q15
const int length, // Length of the data buffers
int32_t *filter_state_ch1, // Filter state for channel 1, in Q16
int32_t *filter_state_ch2); // Filter state for channel 2, in Q16
extern AllpassFilter2FixDec16 WebRtcIsacfix_AllpassFilter2FixDec16;
void WebRtcIsacfix_AllpassFilter2FixDec16C(
int16_t *data_ch1,
int16_t *data_ch2,
const int16_t *factor_ch1,
const int16_t *factor_ch2,
const int length,
int32_t *filter_state_ch1,
int32_t *filter_state_ch2);
#if (defined WEBRTC_DETECT_ARM_NEON) || (defined WEBRTC_ARCH_ARM_NEON)
void WebRtcIsacfix_AllpassFilter2FixDec16Neon(
int16_t *data_ch1,
int16_t *data_ch2,
const int16_t *factor_ch1,
const int16_t *factor_ch2,
const int length,
int32_t *filter_state_ch1,
int32_t *filter_state_ch2);
#endif
#if defined(MIPS_DSP_R1_LE)
void WebRtcIsacfix_AllpassFilter2FixDec16MIPS(
int16_t *data_ch1,
int16_t *data_ch2,
const int16_t *factor_ch1,
const int16_t *factor_ch2,
const int length,
int32_t *filter_state_ch1,
int32_t *filter_state_ch2);
#endif
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif
/* WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_FILTERBANK_INTERNAL_H_ */
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