/* * * Bluetooth low-complexity, subband codec (SBC) library * * Copyright (C) 2008-2010 Nokia Corporation * Copyright (C) 2004-2010 Marcel Holtmann * Copyright (C) 2004-2005 Henryk Ploetz * Copyright (C) 2005-2006 Brad Midgley * * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * */ #ifndef __SBC_ENC_H #define __SBC_ENC_H #ifdef __cplusplus extern "C" { #endif //typedef unsigned char uint8 ,u8 ,U8 ,uint8_t; //typedef unsigned short int uint16 ,UINT16 ,U16 ,u16 ,uint16_t; //typedef unsigned int uint32 ,UINT32,U32 ,u32 ,uint32_t ,uintptr_t; //typedef signed char sint8 ,s8 ,S8,int8 ,int8_t; //typedef signed short int sint16 ,SINT16 ,S16 ,s16,int16,INT16,int16_t ; //typedef signed int sint32 ,SINT32,S32 ,s32,int32 ,INT32;//,; //typedef unsigned int size_t,ssize_t; //typedef int int32_t ; //typedef unsigned __int64 int64_t; //typedef __int64 uint64_t ; //#include "typedef.h" //#include //#include #include #ifndef __GNUC__ #define SBC_ENCODE #endif /* sampling frequency */ #define SBC_FREQ_16000 0x00 #define SBC_FREQ_32000 0x01 #define SBC_FREQ_44100 0x02 #define SBC_FREQ_48000 0x03 /* blocks */ #define SBC_BLK_4 0x00 #define SBC_BLK_8 0x01 #define SBC_BLK_12 0x02 #define SBC_BLK_16 0x03 /* channel mode */ #define SBC_MODE_MONO 0x00 #define SBC_MODE_DUAL_CHANNEL 0x01 #define SBC_MODE_STEREO 0x02 #define SBC_MODE_JOINT_STEREO 0x03 /* allocation method */ #define SBC_AM_LOUDNESS 0x00 #define SBC_AM_SNR 0x01 /* subbands */ #define SBC_SB_4 0x00 #define SBC_SB_8 0x01 /* Data endianness */ #define SBC_LE 0x00 #define SBC_BE 0x01 typedef struct sbc_struct { unsigned int flags; unsigned char frequency; unsigned char blocks; unsigned char subbands; unsigned char mode; unsigned char allocation; unsigned char bitpool; unsigned char endian; void *priv; void *priv_alloc_base; } sbc_t; unsigned int sbc_enc_query(void); int sbc_init(sbc_t *sbc, unsigned long flags, void *priv); int sbc_reinit(sbc_t *sbc, unsigned long flags); unsigned int sbc_parse(sbc_t *sbc, const void *input, size_t input_len); /* Decodes ONE input block into ONE output block */ unsigned int sbc_decode(sbc_t *sbc, const void *input, size_t input_len, void *output, size_t output_len, size_t *written); /* Encodes ONE input block into ONE output block */ unsigned int sbc_encode(sbc_t *sbc, const void *input, size_t input_len, void *output, size_t output_len, unsigned int *written); /* Returns the output block size in bytes */ //size_t sbc_get_frame_length(sbc_t *sbc); /* Returns the time one input/output block takes to play in msec*/ unsigned sbc_get_frame_duration(sbc_t *sbc); /* Returns the input block size in bytes */ //size_t sbc_get_codesize(sbc_t *sbc); const char *sbc_get_implementation_info(sbc_t *sbc); void sbc_finish(sbc_t *sbc); //#define htons(x) ( ( (((unsigned short)(x)) >>8) & 0xff) | ((((unsigned short)(x)) & 0xff)<<8) ) #ifdef __cplusplus } #endif struct option { const char *name; int has_arg; int *flag; int val; }; #endif /* __SBC_ENC_H */