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62238097c9
This is a safe cleanup change since top-level const applied to parameters in function declarations (that are not also definitions) are ignored by the compiler. Hence, such changes do not change the type of the declared functions and are simply no-ops. Bug: webrtc:13610 Change-Id: Ibafb92c45119a6d8bdb6f9109aa8dad6385163a9 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/249086 Reviewed-by: Niels Moller <nisse@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Ali Tofigh <alito@webrtc.org> Cr-Commit-Position: refs/heads/main@{#35802}
177 lines
7.9 KiB
C
177 lines
7.9 KiB
C
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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/*
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* entropy_coding.h
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*
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* This header file contains all of the functions used to arithmetically
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* encode the iSAC bistream
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*
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*/
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#ifndef MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_ENTROPY_CODING_H_
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#define MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_ENTROPY_CODING_H_
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#include "modules/audio_coding/codecs/isac/fix/source/structs.h"
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/* decode complex spectrum (return number of bytes in stream) */
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int WebRtcIsacfix_DecodeSpec(Bitstr_dec* streamdata,
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int16_t* frQ7,
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int16_t* fiQ7,
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int16_t AvgPitchGain_Q12);
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/* encode complex spectrum */
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int WebRtcIsacfix_EncodeSpec(const int16_t* fr,
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const int16_t* fi,
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Bitstr_enc* streamdata,
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int16_t AvgPitchGain_Q12);
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/* decode & dequantize LPC Coef */
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int WebRtcIsacfix_DecodeLpcCoef(Bitstr_dec* streamdata,
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int32_t* LPCCoefQ17,
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int32_t* gain_lo_hiQ17,
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int16_t* outmodel);
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int WebRtcIsacfix_DecodeLpc(int32_t* gain_lo_hiQ17,
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int16_t* LPCCoef_loQ15,
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int16_t* LPCCoef_hiQ15,
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Bitstr_dec* streamdata,
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int16_t* outmodel);
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/* quantize & code LPC Coef */
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int WebRtcIsacfix_EncodeLpc(int32_t* gain_lo_hiQ17,
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int16_t* LPCCoef_loQ15,
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int16_t* LPCCoef_hiQ15,
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int16_t* model,
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int32_t* sizeQ11,
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Bitstr_enc* streamdata,
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IsacSaveEncoderData* encData,
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transcode_obj* transcodeParam);
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int WebRtcIsacfix_EstCodeLpcGain(int32_t* gain_lo_hiQ17,
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Bitstr_enc* streamdata,
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IsacSaveEncoderData* encData);
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/* decode & dequantize RC */
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int WebRtcIsacfix_DecodeRcCoef(Bitstr_dec* streamdata, int16_t* RCQ15);
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/* quantize & code RC */
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int WebRtcIsacfix_EncodeRcCoef(int16_t* RCQ15, Bitstr_enc* streamdata);
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/* decode & dequantize squared Gain */
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int WebRtcIsacfix_DecodeGain2(Bitstr_dec* streamdata, int32_t* Gain2);
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/* quantize & code squared Gain (input is squared gain) */
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int WebRtcIsacfix_EncodeGain2(int32_t* gain2, Bitstr_enc* streamdata);
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int WebRtcIsacfix_EncodePitchGain(int16_t* PitchGains_Q12,
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Bitstr_enc* streamdata,
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IsacSaveEncoderData* encData);
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int WebRtcIsacfix_EncodePitchLag(int16_t* PitchLagQ7,
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int16_t* PitchGain_Q12,
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Bitstr_enc* streamdata,
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IsacSaveEncoderData* encData);
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int WebRtcIsacfix_DecodePitchGain(Bitstr_dec* streamdata,
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int16_t* PitchGain_Q12);
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int WebRtcIsacfix_DecodePitchLag(Bitstr_dec* streamdata,
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int16_t* PitchGain_Q12,
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int16_t* PitchLagQ7);
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int WebRtcIsacfix_DecodeFrameLen(Bitstr_dec* streamdata, size_t* framelength);
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int WebRtcIsacfix_EncodeFrameLen(int16_t framelength, Bitstr_enc* streamdata);
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int WebRtcIsacfix_DecodeSendBandwidth(Bitstr_dec* streamdata, int16_t* BWno);
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int WebRtcIsacfix_EncodeReceiveBandwidth(int16_t* BWno, Bitstr_enc* streamdata);
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void WebRtcIsacfix_TranscodeLpcCoef(int32_t* tmpcoeffs_gQ6, int16_t* index_gQQ);
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// Pointer functions for LPC transforms.
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typedef void (*MatrixProduct1)(const int16_t matrix0[],
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const int32_t matrix1[],
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int32_t matrix_product[],
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int matrix1_index_factor1,
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int matrix0_index_factor1,
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int matrix1_index_init_case,
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int matrix1_index_step,
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int matrix0_index_step,
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int inner_loop_count,
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int mid_loop_count,
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int shift);
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typedef void (*MatrixProduct2)(const int16_t matrix0[],
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const int32_t matrix1[],
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int32_t matrix_product[],
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int matrix0_index_factor,
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int matrix0_index_step);
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extern MatrixProduct1 WebRtcIsacfix_MatrixProduct1;
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extern MatrixProduct2 WebRtcIsacfix_MatrixProduct2;
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void WebRtcIsacfix_MatrixProduct1C(const int16_t matrix0[],
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const int32_t matrix1[],
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int32_t matrix_product[],
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int matrix1_index_factor1,
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int matrix0_index_factor1,
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int matrix1_index_init_case,
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int matrix1_index_step,
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int matrix0_index_step,
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int inner_loop_count,
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int mid_loop_count,
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int shift);
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void WebRtcIsacfix_MatrixProduct2C(const int16_t matrix0[],
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const int32_t matrix1[],
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int32_t matrix_product[],
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int matrix0_index_factor,
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int matrix0_index_step);
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#if defined(WEBRTC_HAS_NEON)
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void WebRtcIsacfix_MatrixProduct1Neon(const int16_t matrix0[],
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const int32_t matrix1[],
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int32_t matrix_product[],
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int matrix1_index_factor1,
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int matrix0_index_factor1,
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int matrix1_index_init_case,
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int matrix1_index_step,
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int matrix0_index_step,
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int inner_loop_count,
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int mid_loop_count,
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int shift);
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void WebRtcIsacfix_MatrixProduct2Neon(const int16_t matrix0[],
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const int32_t matrix1[],
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int32_t matrix_product[],
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int matrix0_index_factor,
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int matrix0_index_step);
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#endif
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#if defined(MIPS32_LE)
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void WebRtcIsacfix_MatrixProduct1MIPS(const int16_t matrix0[],
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const int32_t matrix1[],
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int32_t matrix_product[],
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int matrix1_index_factor1,
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int matrix0_index_factor1,
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int matrix1_index_init_case,
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int matrix1_index_step,
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int matrix0_index_step,
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int inner_loop_count,
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int mid_loop_count,
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int shift);
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void WebRtcIsacfix_MatrixProduct2MIPS(const int16_t matrix0[],
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const int32_t matrix1[],
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int32_t matrix_product[],
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int matrix0_index_factor,
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int matrix0_index_step);
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#endif
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#endif // MODULES_AUDIO_CODING_CODECS_ISAC_FIX_SOURCE_ENTROPY_CODING_H_
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