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MTU value for transport channel is sent in Open Stream response, which is required to calculate number of frames which can be packed into single media packet. This is to avoid including GPLv2 licensed headers in Audio HAL implementation.
84 lines
2.1 KiB
C
84 lines
2.1 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) 2014 Intel Corporation. All rights reserved.
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*
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; 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 BLUEZ_AUDIO_MTU 1024
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static const char BLUEZ_AUDIO_SK_PATH[] = "\0bluez_audio_socket";
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#define AUDIO_SERVICE_ID 0
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#define AUDIO_STATUS_SUCCESS 0x00
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#define AUDIO_STATUS_FAILED 0x01
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#define AUDIO_OP_STATUS 0x00
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struct audio_status {
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uint8_t code;
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} __attribute__((packed));
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#define AUDIO_OP_OPEN 0x01
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struct audio_preset {
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uint8_t len;
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uint8_t data[0];
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} __attribute__((packed));
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struct audio_cmd_open {
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uint8_t uuid[16];
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uint8_t codec;
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uint8_t presets;
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struct audio_preset preset[0];
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} __attribute__((packed));
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struct audio_rsp_open {
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uint8_t id;
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} __attribute__((packed));
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#define AUDIO_OP_CLOSE 0x02
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struct audio_cmd_close {
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uint8_t id;
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} __attribute__((packed));
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#define AUDIO_OP_OPEN_STREAM 0x03
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struct audio_cmd_open_stream {
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uint8_t id;
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} __attribute__((packed));
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struct audio_rsp_open_stream {
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uint16_t mtu;
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struct audio_preset preset[0];
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} __attribute__((packed));
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#define AUDIO_OP_CLOSE_STREAM 0x04
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struct audio_cmd_close_stream {
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uint8_t id;
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} __attribute__((packed));
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#define AUDIO_OP_RESUME_STREAM 0x05
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struct audio_cmd_resume_stream {
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uint8_t id;
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} __attribute__((packed));
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#define AUDIO_OP_SUSPEND_STREAM 0x06
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struct audio_cmd_suspend_stream {
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uint8_t id;
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} __attribute__((packed));
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