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components/bt/host/bluedroid/external/sbc/encoder/include/sbc_encoder.h
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/******************************************************************************
*
* Copyright (C) 1999-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
*
* This file contains constants and structures used by Encoder.
*
******************************************************************************/
#ifndef SBC_ENCODER_H
#define SBC_ENCODER_H
#define ENCODER_VERSION "0025"
#ifdef BUILDCFG
#include "common/bt_target.h"
#endif
/*DEFINES*/
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE (!FALSE)
#endif
#define SBC_MAX_NUM_OF_SUBBANDS 8
#define SBC_MAX_NUM_OF_CHANNELS 2
#define SBC_MAX_NUM_OF_BLOCKS 16
#define SBC_LOUDNESS 0
#define SBC_SNR 1
#define SUB_BANDS_8 8
#define SUB_BANDS_4 4
#define SBC_sf16000 0
#define SBC_sf32000 1
#define SBC_sf44100 2
#define SBC_sf48000 3
#define SBC_MONO 0
#define SBC_DUAL 1
#define SBC_STEREO 2
#define SBC_JOINT_STEREO 3
#define SBC_BLOCK_0 4
#define SBC_BLOCK_1 8
#define SBC_BLOCK_2 12
#define SBC_BLOCK_3 16
#define SBC_NULL 0
#define SBC_MODE_STD 0
#define SBC_MODE_MSBC 1
#define SBC_SYNC_WORD_STD (0x9C)
#define SBC_SYNC_WORD_MSBC (0xAD)
#ifndef SBC_MAX_NUM_FRAME
#define SBC_MAX_NUM_FRAME 1
#endif
#ifndef SBC_DSP_OPT
#define SBC_DSP_OPT FALSE
#endif
/* Set SBC_USE_ARM_PRAGMA to TRUE to use "#pragma arm section zidata" */
#ifndef SBC_USE_ARM_PRAGMA
#define SBC_USE_ARM_PRAGMA FALSE
#endif
/* Set SBC_ARM_ASM_OPT to TRUE in case the target is an ARM */
/* this will replace all the 32 and 64 bit mult by in line assembly code */
#ifndef SBC_ARM_ASM_OPT
#define SBC_ARM_ASM_OPT FALSE
#endif
/* green hill compiler option -> Used to distinguish the syntax for inline assembly code*/
#ifndef SBC_GHS_COMPILER
#define SBC_GHS_COMPILER FALSE
#endif
/* ARM compiler option -> Used to distinguish the syntax for inline assembly code */
#ifndef SBC_ARM_COMPILER
#define SBC_ARM_COMPILER TRUE
#endif
/* Set SBC_IPAQ_OPT to TRUE in case the target is an ARM */
/* 32 and 64 bit mult will be performed using SINT64 ( usualy __int64 ) cast that usualy give optimal performance if supported */
#ifndef SBC_IPAQ_OPT
#define SBC_IPAQ_OPT TRUE
#endif
/* Debug only: set SBC_IS_64_MULT_IN_WINDOW_ACCU to TRUE to use 64 bit multiplication in the windowing */
/* -> not recomended, more MIPS for the same restitution. */
#ifndef SBC_IS_64_MULT_IN_WINDOW_ACCU
#define SBC_IS_64_MULT_IN_WINDOW_ACCU FALSE
#endif /*SBC_IS_64_MULT_IN_WINDOW_ACCU */
/* Set SBC_IS_64_MULT_IN_IDCT to TRUE to use 64 bits multiplication in the DCT of Matrixing */
/* -> more MIPS required for a better audio quality. comparasion with the SIG utilities shows a division by 10 of the RMS */
/* CAUTION: It only apply in the if SBC_FAST_DCT is set to TRUE */
#ifndef SBC_IS_64_MULT_IN_IDCT
#define SBC_IS_64_MULT_IN_IDCT FALSE
#endif /*SBC_IS_64_MULT_IN_IDCT */
/* set SBC_IS_64_MULT_IN_QUANTIZER to TRUE to use 64 bits multiplication in the quantizer */
/* setting this flag to FALSE add whistling noise at 5.5 and 11 KHz usualy not perceptible by human's hears. */
#ifndef SBC_IS_64_MULT_IN_QUANTIZER
#define SBC_IS_64_MULT_IN_QUANTIZER TRUE
#endif /*SBC_IS_64_MULT_IN_IDCT */
/* Debug only: set this flag to FALSE to disable fast DCT algorithm */
#ifndef SBC_FAST_DCT
#define SBC_FAST_DCT TRUE
#endif /*SBC_FAST_DCT */
/* In case we do not use joint stereo mode the flag save some RAM and ROM in case it is set to FALSE */
#ifndef SBC_JOINT_STE_INCLUDED
#define SBC_JOINT_STE_INCLUDED TRUE
#endif
/* TRUE -> application should provide PCM buffer, FALSE PCM buffer reside in SBC_ENC_PARAMS */
#ifndef SBC_NO_PCM_CPY_OPTION
#define SBC_NO_PCM_CPY_OPTION FALSE
#endif
#define MINIMUM_ENC_VX_BUFFER_SIZE (8*10*2)
#ifndef ENC_VX_BUFFER_SIZE
#define ENC_VX_BUFFER_SIZE (MINIMUM_ENC_VX_BUFFER_SIZE + 64)
/*#define ENC_VX_BUFFER_SIZE MINIMUM_ENC_VX_BUFFER_SIZE + 1024*/
#endif
#ifndef SBC_FOR_EMBEDDED_LINUX
#define SBC_FOR_EMBEDDED_LINUX FALSE
#endif
/*constants used for index calculation*/
#define SBC_BLK (SBC_MAX_NUM_OF_CHANNELS * SBC_MAX_NUM_OF_SUBBANDS)
#include "sbc_types.h"
typedef struct SBC_ENC_PARAMS_TAG {
SINT16 s16SamplingFreq; /* 16k, 32k, 44.1k or 48k*/
SINT16 s16ChannelMode; /* mono, dual, streo or joint streo*/
SINT16 s16NumOfSubBands; /* 4 or 8 */
SINT16 s16NumOfChannels;
SINT16 s16NumOfBlocks; /* 4, 8, 12 or 16*/
SINT16 s16AllocationMethod; /* loudness or SNR*/
SINT16 s16BitPool; /* 16*numOfSb for mono & dual;
32*numOfSb for stereo & joint stereo */
UINT16 u16BitRate;
UINT8 sbc_mode; /* SBC_MODE_STD or SBC_MODE_MSBC */
UINT8 u8NumPacketToEncode; /* number of sbc frame to encode. Default is 1 */
#if (SBC_JOINT_STE_INCLUDED == TRUE)
SINT16 as16Join[SBC_MAX_NUM_OF_SUBBANDS]; /*1 if JS, 0 otherwise*/
#endif
SINT16 s16MaxBitNeed;
SINT16 as16ScaleFactor[SBC_MAX_NUM_OF_CHANNELS * SBC_MAX_NUM_OF_SUBBANDS];
SINT16 *ps16NextPcmBuffer;
#if (SBC_NO_PCM_CPY_OPTION == TRUE)
SINT16 *ps16PcmBuffer;
#else
SINT16 as16PcmBuffer[SBC_MAX_NUM_FRAME * SBC_MAX_NUM_OF_BLOCKS * SBC_MAX_NUM_OF_CHANNELS * SBC_MAX_NUM_OF_SUBBANDS];
#endif
SINT16 s16ScartchMemForBitAlloc[16];
SINT32 s32SbBuffer[SBC_MAX_NUM_OF_CHANNELS * SBC_MAX_NUM_OF_SUBBANDS * SBC_MAX_NUM_OF_BLOCKS];
SINT16 as16Bits[SBC_MAX_NUM_OF_CHANNELS * SBC_MAX_NUM_OF_SUBBANDS];
UINT8 *pu8Packet;
UINT8 *pu8NextPacket;
UINT16 FrameHeader;
UINT16 u16PacketLength;
} SBC_ENC_PARAMS;
#ifdef __cplusplus
extern "C"
{
#endif
extern void SBC_Encoder(SBC_ENC_PARAMS *strEncParams);
extern void SBC_Encoder_Init(SBC_ENC_PARAMS *strEncParams);
#ifdef __cplusplus
}
#endif
#endif
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