From 78a3c72f60646ab9a44eab94b3afa4652ddeb8db Mon Sep 17 00:00:00 2001 From: João Paulo Rechi Vita Date: Fri, 29 Aug 2008 20:22:14 -0300 Subject: Move bluetooth discover and device modules to src/modules/bluetooth --- src/modules/bluetooth/sbc.h | 97 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 src/modules/bluetooth/sbc.h (limited to 'src/modules/bluetooth/sbc.h') diff --git a/src/modules/bluetooth/sbc.h b/src/modules/bluetooth/sbc.h new file mode 100644 index 00000000..ab47e329 --- /dev/null +++ b/src/modules/bluetooth/sbc.h @@ -0,0 +1,97 @@ +/* + * + * Bluetooth low-complexity, subband codec (SBC) library + * + * Copyright (C) 2004-2008 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_H +#define __SBC_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include + +/* 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 endianess */ +#define SBC_LE 0x00 +#define SBC_BE 0x01 + +struct sbc_struct { + unsigned long flags; + + uint8_t frequency; + uint8_t blocks; + uint8_t subbands; + uint8_t mode; + uint8_t allocation; + uint8_t bitpool; + uint8_t endian; + + void *priv; +}; + +typedef struct sbc_struct sbc_t; + +int sbc_init(sbc_t *sbc, unsigned long flags); +int sbc_reinit(sbc_t *sbc, unsigned long flags); +int sbc_parse(sbc_t *sbc, void *input, int input_len); +int sbc_decode(sbc_t *sbc, void *input, int input_len, void *output, + int output_len, int *len); +int sbc_encode(sbc_t *sbc, void *input, int input_len, void *output, + int output_len, int *written); +int sbc_get_frame_length(sbc_t *sbc); +int sbc_get_frame_duration(sbc_t *sbc); +int sbc_get_codesize(sbc_t *sbc); +void sbc_finish(sbc_t *sbc); + +#ifdef __cplusplus +} +#endif + +#endif /* __SBC_H */ -- cgit