*
* BlueZ - Bluetooth protocol stack for Linux
*
- * Copyright (C) 2004-2009 Marcel Holtmann <marcel@holtmann.org>
+ * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
#include <sys/un.h>
#include <errno.h>
-#define BT_SUGGESTED_BUFFER_SIZE 128
+#define BT_SUGGESTED_BUFFER_SIZE 512
#define BT_IPC_SOCKET_NAME "\0/org/bluez/audio"
/* Generic message header definition, except for RESPONSE messages */
/* Messages names */
#define BT_GET_CAPABILITIES 0
-#define BT_SET_CONFIGURATION 1
-#define BT_NEW_STREAM 2
-#define BT_START_STREAM 3
-#define BT_STOP_STREAM 4
+#define BT_OPEN 1
+#define BT_SET_CONFIGURATION 2
+#define BT_NEW_STREAM 3
+#define BT_START_STREAM 4
+#define BT_STOP_STREAM 5
+#define BT_CLOSE 6
#define BT_CONTROL 7
+#define BT_DELAY_REPORT 8
#define BT_CAPABILITIES_TRANSPORT_A2DP 0
#define BT_CAPABILITIES_TRANSPORT_SCO 1
struct bt_get_capabilities_req {
bt_audio_msg_header_t h;
- char device[18]; /* Address of the remote Device */
+ char source[18]; /* Address of the local Device */
+ char destination[18];/* Address of the remote Device */
+ char object[128]; /* DBus object path */
uint8_t transport; /* Requested transport */
uint8_t flags; /* Requested flags */
+ uint8_t seid; /* Requested capability configuration */
} __attribute__ ((packed));
/**
- * SBC Codec parameters as per A2DP profile 1.0 § 4.3
+ * SBC Codec parameters as per A2DP profile 1.0 § 4.3
*/
-#define BT_A2DP_CODEC_SBC 0x00
-#define BT_A2DP_CODEC_MPEG12 0x01
-#define BT_A2DP_CODEC_MPEG24 0x02
-#define BT_A2DP_CODEC_ATRAC 0x03
+/* A2DP seid are 6 bytes long so HSP/HFP are assigned to 7-8 bits */
+#define BT_A2DP_SEID_RANGE (1 << 6) - 1
+
+#define BT_A2DP_SBC_SOURCE 0x00
+#define BT_A2DP_SBC_SINK 0x01
+#define BT_A2DP_MPEG12_SOURCE 0x02
+#define BT_A2DP_MPEG12_SINK 0x03
+#define BT_A2DP_MPEG24_SOURCE 0x04
+#define BT_A2DP_MPEG24_SINK 0x05
+#define BT_A2DP_ATRAC_SOURCE 0x06
+#define BT_A2DP_ATRAC_SINK 0x07
+#define BT_A2DP_UNKNOWN_SOURCE 0x08
+#define BT_A2DP_UNKNOWN_SINK 0x09
#define BT_SBC_SAMPLING_FREQ_16000 (1 << 3)
#define BT_SBC_SAMPLING_FREQ_32000 (1 << 2)
#define BT_PCM_FLAG_NREC 0x01
#define BT_PCM_FLAG_PCM_ROUTING 0x02
+#define BT_WRITE_LOCK (1 << 1)
+#define BT_READ_LOCK 1
+
typedef struct {
+ uint8_t seid;
uint8_t transport;
uint8_t type;
uint8_t length;
+ uint8_t configured;
+ uint8_t lock;
uint8_t data[0];
} __attribute__ ((packed)) codec_capabilities_t;
struct bt_get_capabilities_rsp {
bt_audio_msg_header_t h;
+ char source[18]; /* Address of the local Device */
+ char destination[18];/* Address of the remote Device */
+ char object[128]; /* DBus object path */
uint8_t data[0]; /* First codec_capabilities_t */
} __attribute__ ((packed));
+struct bt_open_req {
+ bt_audio_msg_header_t h;
+ char source[18]; /* Address of the local Device */
+ char destination[18];/* Address of the remote Device */
+ char object[128]; /* DBus object path */
+ uint8_t seid; /* Requested capability configuration to lock */
+ uint8_t lock; /* Requested lock */
+} __attribute__ ((packed));
+
+struct bt_open_rsp {
+ bt_audio_msg_header_t h;
+ char source[18]; /* Address of the local Device */
+ char destination[18];/* Address of the remote Device */
+ char object[128]; /* DBus object path */
+} __attribute__ ((packed));
+
struct bt_set_configuration_req {
bt_audio_msg_header_t h;
- char device[18]; /* Address of the remote Device */
- uint8_t access_mode; /* Requested access mode */
codec_capabilities_t codec; /* Requested codec */
} __attribute__ ((packed));
struct bt_set_configuration_rsp {
bt_audio_msg_header_t h;
- uint8_t transport; /* Granted transport */
- uint8_t access_mode; /* Granted access mode */
uint16_t link_mtu; /* Max length that transport supports */
} __attribute__ ((packed));
bt_audio_msg_header_t h;
} __attribute__ ((packed));
+struct bt_close_req {
+ bt_audio_msg_header_t h;
+} __attribute__ ((packed));
+
+struct bt_close_rsp {
+ bt_audio_msg_header_t h;
+} __attribute__ ((packed));
+
struct bt_suspend_stream_ind {
bt_audio_msg_header_t h;
} __attribute__ ((packed));
uint8_t key; /* Control Key */
} __attribute__ ((packed));
+struct bt_delay_report_req {
+ bt_audio_msg_header_t h;
+ uint16_t delay;
+} __attribute__ ((packed));
+
+struct bt_delay_report_ind {
+ bt_audio_msg_header_t h;
+ uint16_t delay;
+} __attribute__ ((packed));
+
/* Function declaration */
/* Opens a connection to the audio service: return a socket descriptor */