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/*
* Copyright (c) 2011 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.
*/
/*
* entropy_coding.h
*
* This header file contains all of the functions used to arithmetically
* encode the iSAC bistream
*
*/
#ifndef MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_ENTROPY_CODING_H_
#define MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_ENTROPY_CODING_H_
#include "modules/audio_coding/codecs/isac/fix/source/structs.h"
/* decode complex spectrum (return number of bytes in stream) */
int WebRtcIsacfix_DecodeSpec(Bitstr_dec* streamdata,
int16_t* frQ7,
int16_t* fiQ7,
int16_t AvgPitchGain_Q12);
/* encode complex spectrum */
int WebRtcIsacfix_EncodeSpec(const int16_t* fr,
const int16_t* fi,
Bitstr_enc* streamdata,
int16_t AvgPitchGain_Q12);
/* decode & dequantize LPC Coef */
int WebRtcIsacfix_DecodeLpcCoef(Bitstr_dec* streamdata,
int32_t* LPCCoefQ17,
int32_t* gain_lo_hiQ17,
int16_t* outmodel);
int WebRtcIsacfix_DecodeLpc(int32_t* gain_lo_hiQ17,
int16_t* LPCCoef_loQ15,
int16_t* LPCCoef_hiQ15,
Bitstr_dec* streamdata,
int16_t* outmodel);
/* quantize & code LPC Coef */
int WebRtcIsacfix_EncodeLpc(int32_t* gain_lo_hiQ17,
int16_t* LPCCoef_loQ15,
int16_t* LPCCoef_hiQ15,
int16_t* model,
int32_t* sizeQ11,
Bitstr_enc* streamdata,
IsacSaveEncoderData* encData,
transcode_obj* transcodeParam);
int WebRtcIsacfix_EstCodeLpcGain(int32_t* gain_lo_hiQ17,
Bitstr_enc* streamdata,
IsacSaveEncoderData* encData);
/* decode & dequantize RC */
int WebRtcIsacfix_DecodeRcCoef(Bitstr_dec* streamdata, int16_t* RCQ15);
/* quantize & code RC */
int WebRtcIsacfix_EncodeRcCoef(int16_t* RCQ15, Bitstr_enc* streamdata);
/* decode & dequantize squared Gain */
int WebRtcIsacfix_DecodeGain2(Bitstr_dec* streamdata, int32_t* Gain2);
/* quantize & code squared Gain (input is squared gain) */
int WebRtcIsacfix_EncodeGain2(int32_t* gain2, Bitstr_enc* streamdata);
int WebRtcIsacfix_EncodePitchGain(int16_t* PitchGains_Q12,
Bitstr_enc* streamdata,
IsacSaveEncoderData* encData);
int WebRtcIsacfix_EncodePitchLag(int16_t* PitchLagQ7,
int16_t* PitchGain_Q12,
Bitstr_enc* streamdata,
IsacSaveEncoderData* encData);
int WebRtcIsacfix_DecodePitchGain(Bitstr_dec* streamdata,
int16_t* PitchGain_Q12);
int WebRtcIsacfix_DecodePitchLag(Bitstr_dec* streamdata,
int16_t* PitchGain_Q12,
int16_t* PitchLagQ7);
int WebRtcIsacfix_DecodeFrameLen(Bitstr_dec* streamdata, size_t* framelength);
int WebRtcIsacfix_EncodeFrameLen(int16_t framelength, Bitstr_enc* streamdata);
int WebRtcIsacfix_DecodeSendBandwidth(Bitstr_dec* streamdata, int16_t* BWno);
int WebRtcIsacfix_EncodeReceiveBandwidth(int16_t* BWno, Bitstr_enc* streamdata);
void WebRtcIsacfix_TranscodeLpcCoef(int32_t* tmpcoeffs_gQ6, int16_t* index_gQQ);
// Pointer functions for LPC transforms.
typedef void (*MatrixProduct1)(const int16_t matrix0[],
const int32_t matrix1[],
int32_t matrix_product[],
const int matrix1_index_factor1,
const int matrix0_index_factor1,
const int matrix1_index_init_case,
const int matrix1_index_step,
const int matrix0_index_step,
const int inner_loop_count,
const int mid_loop_count,
const int shift);
typedef void (*MatrixProduct2)(const int16_t matrix0[],
const int32_t matrix1[],
int32_t matrix_product[],
const int matrix0_index_factor,
const int matrix0_index_step);
extern MatrixProduct1 WebRtcIsacfix_MatrixProduct1;
extern MatrixProduct2 WebRtcIsacfix_MatrixProduct2;
void WebRtcIsacfix_MatrixProduct1C(const int16_t matrix0[],
const int32_t matrix1[],
int32_t matrix_product[],
const int matrix1_index_factor1,
const int matrix0_index_factor1,
const int matrix1_index_init_case,
const int matrix1_index_step,
const int matrix0_index_step,
const int inner_loop_count,
const int mid_loop_count,
const int shift);
void WebRtcIsacfix_MatrixProduct2C(const int16_t matrix0[],
const int32_t matrix1[],
int32_t matrix_product[],
const int matrix0_index_factor,
const int matrix0_index_step);
#if defined(WEBRTC_HAS_NEON)
void WebRtcIsacfix_MatrixProduct1Neon(const int16_t matrix0[],
const int32_t matrix1[],
int32_t matrix_product[],
const int matrix1_index_factor1,
const int matrix0_index_factor1,
const int matrix1_index_init_case,
const int matrix1_index_step,
const int matrix0_index_step,
const int inner_loop_count,
const int mid_loop_count,
const int shift);
void WebRtcIsacfix_MatrixProduct2Neon(const int16_t matrix0[],
const int32_t matrix1[],
int32_t matrix_product[],
const int matrix0_index_factor,
const int matrix0_index_step);
#endif
#if defined(MIPS32_LE)
void WebRtcIsacfix_MatrixProduct1MIPS(const int16_t matrix0[],
const int32_t matrix1[],
int32_t matrix_product[],
const int matrix1_index_factor1,
const int matrix0_index_factor1,
const int matrix1_index_init_case,
const int matrix1_index_step,
const int matrix0_index_step,
const int inner_loop_count,
const int mid_loop_count,
const int shift);
void WebRtcIsacfix_MatrixProduct2MIPS(const int16_t matrix0[],
const int32_t matrix1[],
int32_t matrix_product[],
const int matrix0_index_factor,
const int matrix0_index_step);
#endif
#endif // MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_ENTROPY_CODING_H_