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92ea95e34a
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC from src/webrtc to src/ (in order to preserve an healthy git history). This CL takes care of fixing header guards, #include paths, etc... NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578 Reviewed-on: https://webrtc-review.googlesource.com/1561 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19846}
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 "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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