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https://git.kernel.org/pub/scm/bluetooth/bluez.git
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80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/*
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*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2004-2007 Marcel Holtmann <marcel@holtmann.org>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#define A2DP_CODEC_SBC 0x00
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#define A2DP_CODEC_MPEG12 0x01
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#define A2DP_CODEC_MPEG24 0x02
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#define A2DP_CODEC_ATRAC 0x03
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#define A2DP_SAMPLING_FREQ_16000 (1 << 3)
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#define A2DP_SAMPLING_FREQ_32000 (1 << 2)
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#define A2DP_SAMPLING_FREQ_44100 (1 << 1)
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#define A2DP_SAMPLING_FREQ_48000 1
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#define A2DP_CHANNEL_MODE_MONO (1 << 3)
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#define A2DP_CHANNEL_MODE_DUAL_CHANNEL (1 << 2)
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#define A2DP_CHANNEL_MODE_STEREO (1 << 1)
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#define A2DP_CHANNEL_MODE_JOINT_STEREO 1
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#define A2DP_BLOCK_LENGTH_4 (1 << 3)
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#define A2DP_BLOCK_LENGTH_8 (1 << 2)
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#define A2DP_BLOCK_LENGTH_12 (1 << 1)
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#define A2DP_BLOCK_LENGTH_16 1
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#define A2DP_SUBBANDS_4 (1 << 1)
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#define A2DP_SUBBANDS_8 1
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#define A2DP_ALLOCATION_SNR (1 << 1)
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#define A2DP_ALLOCATION_LOUDNESS 1
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struct sbc_codec_cap {
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struct avdtp_media_codec_capability cap;
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uint8_t channel_mode:4;
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uint8_t frequency:4;
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uint8_t allocation_method:2;
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uint8_t subbands:2;
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uint8_t block_length:4;
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uint8_t min_bitpool;
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uint8_t max_bitpool;
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} __attribute__ ((packed));
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typedef void (*a2dp_stream_cb_t) (struct avdtp *session, struct device *dev,
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struct avdtp_stream *stream,
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void *user_data);
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int a2dp_init(DBusConnection *conn, gboolean enable_sink,
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gboolean enable_source);
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void a2dp_exit(void);
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unsigned int a2dp_source_request_stream(struct avdtp *session,
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struct device *dev,
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gboolean start, a2dp_stream_cb_t cb,
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void *user_data);
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gboolean a2dp_source_cancel_stream(int id);
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gboolean a2dp_source_lock(struct device *dev, struct avdtp *session);
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gboolean a2dp_source_unlock(struct device *dev, struct avdtp *session);
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gboolean a2dp_source_suspend(struct device *dev, struct avdtp *session);
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gboolean a2dp_source_start_stream(struct device *dev, struct avdtp *session);
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