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Diffstat (limited to 'embdrv/sbc/encoder/include/sbc_encoder.h')
| -rw-r--r-- | embdrv/sbc/encoder/include/sbc_encoder.h | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/embdrv/sbc/encoder/include/sbc_encoder.h b/embdrv/sbc/encoder/include/sbc_encoder.h new file mode 100644 index 0000000..78ed044 --- /dev/null +++ b/embdrv/sbc/encoder/include/sbc_encoder.h @@ -0,0 +1,202 @@ +/****************************************************************************** + * + * 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 +SBC_API extern void SBC_Encoder(SBC_ENC_PARAMS *strEncParams); +SBC_API extern void SBC_Encoder_Init(SBC_ENC_PARAMS *strEncParams); +#ifdef __cplusplus +} +#endif +#endif |