1 files changed, 185 insertions, 0 deletions
diff --git a/src/modules/bluetooth/bluez5-util.h b/src/modules/bluetooth/bluez5-util.h
new file mode 100644
index 0000000..ff172e0
--- /dev/null
+++ b/src/modules/bluetooth/bluez5-util.h
@@ -0,0 +1,185 @@
+#ifndef foobluez5utilhfoo
+#define foobluez5utilhfoo
+
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2008-2013 João Paulo Rechi Vita
+  Copyrigth 2018-2019 Pali Rohár <pali.rohar@gmail.com>
+
+  PulseAudio 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.
+
+  PulseAudio 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
+  General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <pulsecore/core.h>
+
+#include "a2dp-codec-util.h"
+
+#define PA_BLUETOOTH_UUID_A2DP_SOURCE "0000110a-0000-1000-8000-00805f9b34fb"
+#define PA_BLUETOOTH_UUID_A2DP_SINK   "0000110b-0000-1000-8000-00805f9b34fb"
+
+/* There are two HSP HS UUIDs. The first one (older?) is used both as the HSP
+ * profile identifier and as the HS role identifier, while the second one is
+ * only used to identify the role. As far as PulseAudio is concerned, the two
+ * UUIDs mean exactly the same thing. */
+#define PA_BLUETOOTH_UUID_HSP_HS      "00001108-0000-1000-8000-00805f9b34fb"
+#define PA_BLUETOOTH_UUID_HSP_HS_ALT  "00001131-0000-1000-8000-00805f9b34fb"
+
+#define PA_BLUETOOTH_UUID_HSP_AG      "00001112-0000-1000-8000-00805f9b34fb"
+#define PA_BLUETOOTH_UUID_HFP_HF      "0000111e-0000-1000-8000-00805f9b34fb"
+#define PA_BLUETOOTH_UUID_HFP_AG      "0000111f-0000-1000-8000-00805f9b34fb"
+
+typedef struct pa_bluetooth_transport pa_bluetooth_transport;
+typedef struct pa_bluetooth_device pa_bluetooth_device;
+typedef struct pa_bluetooth_adapter pa_bluetooth_adapter;
+typedef struct pa_bluetooth_discovery pa_bluetooth_discovery;
+typedef struct pa_bluetooth_backend pa_bluetooth_backend;
+
+typedef enum pa_bluetooth_hook {
+    PA_BLUETOOTH_HOOK_DEVICE_CONNECTION_CHANGED,          /* Call data: pa_bluetooth_device */
+    PA_BLUETOOTH_HOOK_DEVICE_UNLINK,                      /* Call data: pa_bluetooth_device */
+    PA_BLUETOOTH_HOOK_TRANSPORT_STATE_CHANGED,            /* Call data: pa_bluetooth_transport */
+    PA_BLUETOOTH_HOOK_TRANSPORT_MICROPHONE_GAIN_CHANGED,  /* Call data: pa_bluetooth_transport */
+    PA_BLUETOOTH_HOOK_TRANSPORT_SPEAKER_GAIN_CHANGED,     /* Call data: pa_bluetooth_transport */
+    PA_BLUETOOTH_HOOK_MAX
+} pa_bluetooth_hook_t;
+
+typedef enum profile {
+    PA_BLUETOOTH_PROFILE_A2DP_SINK,
+    PA_BLUETOOTH_PROFILE_A2DP_SOURCE,
+    PA_BLUETOOTH_PROFILE_HEADSET_HEAD_UNIT,
+    PA_BLUETOOTH_PROFILE_HEADSET_AUDIO_GATEWAY,
+    PA_BLUETOOTH_PROFILE_OFF
+} pa_bluetooth_profile_t;
+#define PA_BLUETOOTH_PROFILE_COUNT PA_BLUETOOTH_PROFILE_OFF
+
+typedef enum pa_bluetooth_transport_state {
+    PA_BLUETOOTH_TRANSPORT_STATE_DISCONNECTED,
+    PA_BLUETOOTH_TRANSPORT_STATE_IDLE,
+    PA_BLUETOOTH_TRANSPORT_STATE_PLAYING
+} pa_bluetooth_transport_state_t;
+
+typedef int (*pa_bluetooth_transport_acquire_cb)(pa_bluetooth_transport *t, bool optional, size_t *imtu, size_t *omtu);
+typedef void (*pa_bluetooth_transport_release_cb)(pa_bluetooth_transport *t);
+typedef void (*pa_bluetooth_transport_destroy_cb)(pa_bluetooth_transport *t);
+typedef void (*pa_bluetooth_transport_set_speaker_gain_cb)(pa_bluetooth_transport *t, uint16_t gain);
+typedef void (*pa_bluetooth_transport_set_microphone_gain_cb)(pa_bluetooth_transport *t, uint16_t gain);
+
+struct pa_bluetooth_transport {
+    pa_bluetooth_device *device;
+
+    char *owner;
+    char *path;
+    pa_bluetooth_profile_t profile;
+
+    uint8_t codec;
+    uint8_t *config;
+    size_t config_size;
+
+    const pa_a2dp_codec *a2dp_codec;
+
+    uint16_t microphone_gain;
+    uint16_t speaker_gain;
+
+    pa_bluetooth_transport_state_t state;
+
+    pa_bluetooth_transport_acquire_cb acquire;
+    pa_bluetooth_transport_release_cb release;
+    pa_bluetooth_transport_destroy_cb destroy;
+    pa_bluetooth_transport_set_speaker_gain_cb set_speaker_gain;
+    pa_bluetooth_transport_set_microphone_gain_cb set_microphone_gain;
+    void *userdata;
+};
+
+struct pa_bluetooth_device {
+    pa_bluetooth_discovery *discovery;
+    pa_bluetooth_adapter *adapter;
+
+    bool properties_received;
+    bool tried_to_link_with_adapter;
+    bool valid;
+    bool autodetect_mtu;
+
+    /* Device information */
+    char *path;
+    char *adapter_path;
+    char *alias;
+    char *address;
+    uint32_t class_of_device;
+    pa_hashmap *uuids; /* char* -> char* (hashmap-as-a-set) */
+
+    pa_bluetooth_transport *transports[PA_BLUETOOTH_PROFILE_COUNT];
+
+    pa_time_event *wait_for_profiles_timer;
+};
+
+struct pa_bluetooth_adapter {
+    pa_bluetooth_discovery *discovery;
+    char *path;
+    char *address;
+
+    bool valid;
+};
+
+#ifdef HAVE_BLUEZ_5_OFONO_HEADSET
+pa_bluetooth_backend *pa_bluetooth_ofono_backend_new(pa_core *c, pa_bluetooth_discovery *y);
+void pa_bluetooth_ofono_backend_free(pa_bluetooth_backend *b);
+#else
+static inline pa_bluetooth_backend *pa_bluetooth_ofono_backend_new(pa_core *c, pa_bluetooth_discovery *y) {
+    return NULL;
+}
+static inline void pa_bluetooth_ofono_backend_free(pa_bluetooth_backend *b) {}
+#endif
+
+#ifdef HAVE_BLUEZ_5_NATIVE_HEADSET
+pa_bluetooth_backend *pa_bluetooth_native_backend_new(pa_core *c, pa_bluetooth_discovery *y, bool enable_hs_role);
+void pa_bluetooth_native_backend_free(pa_bluetooth_backend *b);
+void pa_bluetooth_native_backend_enable_hs_role(pa_bluetooth_backend *b, bool enable_hs_role);
+#else
+static inline pa_bluetooth_backend *pa_bluetooth_native_backend_new(pa_core *c, pa_bluetooth_discovery *y, bool enable_hs_role) {
+    return NULL;
+}
+static inline void pa_bluetooth_native_backend_free(pa_bluetooth_backend *b) {}
+static inline void pa_bluetooth_native_backend_enable_hs_role(pa_bluetooth_backend *b, bool enable_hs_role) {}
+#endif
+
+pa_bluetooth_transport *pa_bluetooth_transport_new(pa_bluetooth_device *d, const char *owner, const char *path,
+                                                   pa_bluetooth_profile_t p, const uint8_t *config, size_t size);
+
+void pa_bluetooth_transport_set_state(pa_bluetooth_transport *t, pa_bluetooth_transport_state_t state);
+void pa_bluetooth_transport_put(pa_bluetooth_transport *t);
+void pa_bluetooth_transport_unlink(pa_bluetooth_transport *t);
+void pa_bluetooth_transport_free(pa_bluetooth_transport *t);
+
+bool pa_bluetooth_device_any_transport_connected(const pa_bluetooth_device *d);
+
+pa_bluetooth_device* pa_bluetooth_discovery_get_device_by_path(pa_bluetooth_discovery *y, const char *path);
+pa_bluetooth_device* pa_bluetooth_discovery_get_device_by_address(pa_bluetooth_discovery *y, const char *remote, const char *local);
+
+pa_hook* pa_bluetooth_discovery_hook(pa_bluetooth_discovery *y, pa_bluetooth_hook_t hook);
+
+const char *pa_bluetooth_profile_to_string(pa_bluetooth_profile_t profile);
+
+static inline bool pa_bluetooth_uuid_is_hsp_hs(const char *uuid) {
+    return pa_streq(uuid, PA_BLUETOOTH_UUID_HSP_HS) || pa_streq(uuid, PA_BLUETOOTH_UUID_HSP_HS_ALT);
+}
+
+#define HEADSET_BACKEND_OFONO 0
+#define HEADSET_BACKEND_NATIVE 1
+#define HEADSET_BACKEND_AUTO 2
+
+pa_bluetooth_discovery* pa_bluetooth_discovery_get(pa_core *core, int headset_backend);
+pa_bluetooth_discovery* pa_bluetooth_discovery_ref(pa_bluetooth_discovery *y);
+void pa_bluetooth_discovery_unref(pa_bluetooth_discovery *y);
+void pa_bluetooth_discovery_set_ofono_running(pa_bluetooth_discovery *y, bool is_running);
+#endif