202 lines
6.2 KiB
C
202 lines
6.2 KiB
C
|
/******************************************************************************
|
||
|
|
*
|
||
|
|
* 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 "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
|
||
|
|
|
||
|
|
#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 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
|