[pulseaudio-discuss] [PATCH 29/56] bluetooth: Implement org.bluez.MediaEndpoint1.SetConfiguration()
jprvita at gmail.com
jprvita at gmail.com
Thu Aug 1 17:40:27 PDT 2013
From: João Paulo Rechi Vita <jprvita at openbossa.org>
---
src/modules/bluetooth/bluez5-util.c | 173 +++++++++++++++++++++++++++++++++++-
src/modules/bluetooth/bluez5-util.h | 5 ++
2 files changed, 176 insertions(+), 2 deletions(-)
diff --git a/src/modules/bluetooth/bluez5-util.c b/src/modules/bluetooth/bluez5-util.c
index b5af536..3eb4db3 100644
--- a/src/modules/bluetooth/bluez5-util.c
+++ b/src/modules/bluetooth/bluez5-util.c
@@ -33,6 +33,8 @@
#include <pulsecore/refcnt.h>
#include <pulsecore/shared.h>
+#include "a2dp-codecs.h"
+
#include "bluez5-util.h"
#define BLUEZ_SERVICE "org.bluez"
@@ -344,12 +346,179 @@ fail:
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
+const char *pa_bluetooth_profile_to_string(pa_bluetooth_profile_t profile) {
+ switch(profile) {
+ case PROFILE_A2DP_SINK:
+ return "a2dp_sink";
+ case PROFILE_A2DP_SOURCE:
+ return "a2dp_source";
+ case PROFILE_OFF:
+ return "off";
+ }
+
+ return NULL;
+}
+
static DBusMessage *endpoint_set_configuration(DBusConnection *conn, DBusMessage *m, void *userdata) {
+ pa_bluetooth_discovery *y = userdata;
+ pa_bluetooth_device *d;
+ pa_bluetooth_transport *t;
+ const char *sender, *path, *endpoint_path, *dev_path = NULL, *uuid = NULL;
+ uint8_t *config = NULL;
+ int size = 0;
+ pa_bluetooth_profile_t p = PROFILE_OFF;
+ DBusMessageIter args, props;
DBusMessage *r;
+ bool old_any_connected;
- pa_assert_se(r = dbus_message_new_error(m, BLUEZ_MEDIA_ENDPOINT_INTERFACE ".Error.NotImplemented",
- "Method not implemented"));
+ if (!dbus_message_iter_init(m, &args) || !pa_streq(dbus_message_get_signature(m), "oa{sv}")) {
+ pa_log_error("Invalid signature for method SetConfiguration()");
+ goto fail2;
+ }
+
+ dbus_message_iter_get_basic(&args, &path);
+
+ if (pa_hashmap_get(y->transports, path)) {
+ pa_log_error("Endpoint SetConfiguration(): Transport %s is already configured.", path);
+ goto fail2;
+ }
+
+ pa_assert_se(dbus_message_iter_next(&args));
+
+ dbus_message_iter_recurse(&args, &props);
+ if (dbus_message_iter_get_arg_type(&props) != DBUS_TYPE_DICT_ENTRY)
+ goto fail;
+
+ /* Read transport properties */
+ while (dbus_message_iter_get_arg_type(&props) == DBUS_TYPE_DICT_ENTRY) {
+ const char *key;
+ DBusMessageIter value, entry;
+ int var;
+
+ dbus_message_iter_recurse(&props, &entry);
+ dbus_message_iter_get_basic(&entry, &key);
+
+ dbus_message_iter_next(&entry);
+ dbus_message_iter_recurse(&entry, &value);
+
+ var = dbus_message_iter_get_arg_type(&value);
+
+ if (pa_streq(key, "UUID")) {
+ if (var != DBUS_TYPE_STRING) {
+ pa_log_error("Property %s of wrong type %c", key, (char)var);
+ goto fail;
+ }
+
+ dbus_message_iter_get_basic(&value, &uuid);
+ } else if (pa_streq(key, "Device")) {
+ if (var != DBUS_TYPE_OBJECT_PATH) {
+ pa_log_error("Property %s of wrong type %c", key, (char)var);
+ goto fail;
+ }
+
+ dbus_message_iter_get_basic(&value, &dev_path);
+ } else if (pa_streq(key, "Configuration")) {
+ DBusMessageIter array;
+ a2dp_sbc_t *c;
+
+ if (var != DBUS_TYPE_ARRAY) {
+ pa_log_error("Property %s of wrong type %c", key, (char)var);
+ goto fail;
+ }
+
+ dbus_message_iter_recurse(&value, &array);
+ var = dbus_message_iter_get_arg_type(&array);
+ if (var != DBUS_TYPE_BYTE) {
+ pa_log_error("%s is an array of wrong type %c", key, (char)var);
+ goto fail;
+ }
+
+ dbus_message_iter_get_fixed_array(&array, &config, &size);
+ c = (a2dp_sbc_t *) config;
+
+ if (c->frequency != SBC_SAMPLING_FREQ_16000 && c->frequency != SBC_SAMPLING_FREQ_32000 &&
+ c->frequency != SBC_SAMPLING_FREQ_44100 && c->frequency != SBC_SAMPLING_FREQ_48000) {
+ pa_log_error("Invalid sampling frequency in configuration");
+ goto fail;
+ }
+
+ if (c->channel_mode != SBC_CHANNEL_MODE_MONO && c->channel_mode != SBC_CHANNEL_MODE_DUAL_CHANNEL &&
+ c->channel_mode != SBC_CHANNEL_MODE_STEREO && c->channel_mode != SBC_CHANNEL_MODE_JOINT_STEREO) {
+ pa_log_error("Invalid channel mode in configuration");
+ goto fail;
+ }
+
+ if (c->allocation_method != SBC_ALLOCATION_SNR && c->allocation_method != SBC_ALLOCATION_LOUDNESS) {
+ pa_log_error("Invalid allocation method in configuration");
+ goto fail;
+ }
+
+ if (c->subbands != SBC_SUBBANDS_4 && c->subbands != SBC_SUBBANDS_8) {
+ pa_log_error("Invalid SBC subbands in configuration");
+ goto fail;
+ }
+
+ if (c->block_length != SBC_BLOCK_LENGTH_4 && c->block_length != SBC_BLOCK_LENGTH_8 &&
+ c->block_length != SBC_BLOCK_LENGTH_12 && c->block_length != SBC_BLOCK_LENGTH_16) {
+ pa_log_error("Invalid block length in configuration");
+ goto fail;
+ }
+ }
+
+ dbus_message_iter_next(&props);
+ }
+
+ d = pa_bluetooth_discovery_get_device_by_path(y, dev_path);
+ if (!d) {
+ pa_log_warn("SetConfiguration() received for unknown device %s", dev_path);
+ d = device_create(y, dev_path);
+ if (!d)
+ goto fail;
+ /* If this point is reached the InterfacesAdded signal is probably on it's way */
+ }
+
+ endpoint_path = dbus_message_get_path(m);
+ if (pa_streq(endpoint_path, A2DP_SOURCE_ENDPOINT)) {
+ if (pa_streq(uuid, A2DP_SOURCE_UUID))
+ p = PROFILE_A2DP_SINK;
+ } else if (pa_streq(endpoint_path, A2DP_SINK_ENDPOINT)) {
+ if (pa_streq(uuid, A2DP_SINK_UUID))
+ p = PROFILE_A2DP_SOURCE;
+ }
+
+ if (p == PROFILE_OFF) {
+ pa_log_error("UUID %s of transport %s incompatible with endpoint %s", uuid, path, endpoint_path);
+ goto fail;
+ }
+
+ if (d->transports[p] != NULL) {
+ pa_log_error("Cannot configure transport %s because profile %s is already used", path, pa_bluetooth_profile_to_string(p));
+ goto fail2;
+ }
+
+ old_any_connected = pa_bluetooth_device_any_transport_connected(d);
+
+ sender = dbus_message_get_sender(m);
+
+ t = pa_bluetooth_transport_new(d, sender, path, p, config, size, bluez5_transport_acquire_cb, bluez5_transport_release_cb, NULL);
+ d->transports[p] = t;
+
+ pa_log_debug("Transport %s available for profile %s", t->path, pa_bluetooth_profile_to_string(t->profile));
+
+ pa_assert_se(r = dbus_message_new_method_return(m));
+ pa_assert_se(dbus_connection_send(pa_dbus_connection_get(y->connection), r, NULL));
+ dbus_message_unref(r);
+
+ if (old_any_connected != pa_bluetooth_device_any_transport_connected(d))
+ pa_hook_fire(&y->hooks[PA_BLUETOOTH_HOOK_DEVICE_CONNECTION_CHANGED], d);
+
+ return NULL;
+
+fail:
+ pa_log_error("Endpoint SetConfiguration(): invalid arguments");
+fail2:
+ pa_assert_se(r = dbus_message_new_error(m, "org.bluez.Error.InvalidArguments", "Unable to set configuration"));
return r;
}
diff --git a/src/modules/bluetooth/bluez5-util.h b/src/modules/bluetooth/bluez5-util.h
index 487ccfb..efdd714 100644
--- a/src/modules/bluetooth/bluez5-util.h
+++ b/src/modules/bluetooth/bluez5-util.h
@@ -24,6 +24,9 @@
#include <pulsecore/core.h>
+#define A2DP_SOURCE_UUID "0000110a-0000-1000-8000-00805f9b34fb"
+#define A2DP_SINK_UUID "0000110b-0000-1000-8000-00805f9b34fb"
+
typedef struct pa_bluetooth_transport pa_bluetooth_transport;
typedef struct pa_bluetooth_device pa_bluetooth_device;
typedef struct pa_bluetooth_discovery pa_bluetooth_discovery;
@@ -96,6 +99,8 @@ pa_bluetooth_device* pa_bluetooth_discovery_get_device_by_address(pa_bluetooth_d
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);
+
pa_bluetooth_discovery* pa_bluetooth_discovery_get(pa_core *core);
pa_bluetooth_discovery* pa_bluetooth_discovery_ref(pa_bluetooth_discovery *y);
void pa_bluetooth_discovery_unref(pa_bluetooth_discovery *y);
--
1.7.11.7
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