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https://github.com/mollyim/webrtc.git
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08973eed36
WebRTC internal code should always used include paths that starts from the root of the project and that clearly identify the header file. This allows 'gn check' to actually keep dependencies under control because 'gn check' cannot enforce anything if the include path is not fully qualified (starting from the root of the project). Bug: webrtc:8815 Change-Id: I23fb4fed0c27a4d98bea360315b959af843587bc Reviewed-on: https://webrtc-review.googlesource.com/46101 Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#21847}
189 lines
8.4 KiB
C
189 lines
8.4 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,
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int16_t *RCQ15);
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/* quantize & code RC */
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int WebRtcIsacfix_EncodeRcCoef(int16_t *RCQ15,
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Bitstr_enc *streamdata);
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/* decode & dequantize squared Gain */
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int WebRtcIsacfix_DecodeGain2(Bitstr_dec *streamdata,
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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,
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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,
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size_t *framelength);
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int WebRtcIsacfix_EncodeFrameLen(int16_t framelength,
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Bitstr_enc *streamdata);
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int WebRtcIsacfix_DecodeSendBandwidth(Bitstr_dec *streamdata,
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int16_t *BWno);
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int WebRtcIsacfix_EncodeReceiveBandwidth(int16_t *BWno,
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Bitstr_enc *streamdata);
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void WebRtcIsacfix_TranscodeLpcCoef(int32_t *tmpcoeffs_gQ6,
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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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const int matrix1_index_factor1,
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const int matrix0_index_factor1,
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const int matrix1_index_init_case,
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const int matrix1_index_step,
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const int matrix0_index_step,
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const int inner_loop_count,
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const int mid_loop_count,
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const 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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const int matrix0_index_factor,
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const 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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const int matrix1_index_factor1,
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const int matrix0_index_factor1,
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const int matrix1_index_init_case,
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const int matrix1_index_step,
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const int matrix0_index_step,
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const int inner_loop_count,
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const int mid_loop_count,
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const 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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const int matrix0_index_factor,
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const 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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const int matrix1_index_factor1,
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const int matrix0_index_factor1,
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const int matrix1_index_init_case,
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const int matrix1_index_step,
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const int matrix0_index_step,
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const int inner_loop_count,
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const int mid_loop_count,
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const 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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const int matrix0_index_factor,
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const 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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const int matrix1_index_factor1,
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const int matrix0_index_factor1,
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const int matrix1_index_init_case,
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const int matrix1_index_step,
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const int matrix0_index_step,
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const int inner_loop_count,
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const int mid_loop_count,
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const 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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const int matrix0_index_factor,
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const 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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