#include <pulsecore/modargs.h>
#include <pulsecore/poll.h>
#include <pulsecore/rtpoll.h>
+#include <pulsecore/shared.h>
#include <pulsecore/socket-util.h>
#include <pulsecore/thread.h>
#include <pulsecore/thread-mq.h>
pa_core *core;
pa_hook_slot *device_connection_changed_slot;
+ pa_hook_slot *transport_state_changed_slot;
pa_bluetooth_discovery *discovery;
pa_bluetooth_device *device;
pa_log_error("SBC decoding error (%li)", (long) decoded);
pa_memblock_release(memchunk.memblock);
pa_memblock_unref(memchunk.memblock);
- return -1;
+ return 0;
}
/* Reset frame length, it can be changed due to bitpool change */
if (n_read < 0)
goto io_fail;
- /* We just read something, so we are supposed to write something, too */
- pending_read_bytes += n_read;
- do_write += pending_read_bytes / u->write_block_size;
- pending_read_bytes = pending_read_bytes % u->write_block_size;
+ if (n_read > 0) {
+ /* We just read something, so we are supposed to write something, too */
+ pending_read_bytes += n_read;
+ do_write += pending_read_bytes / u->write_block_size;
+ pending_read_bytes = pending_read_bytes % u->write_block_size;
+ }
}
}
off:
stop_thread(u);
- pa_assert_se(pa_card_set_profile(u->card, "off", false) >= 0);
+ pa_assert_se(pa_card_set_profile(u->card, pa_hashmap_get(u->card->profiles, "off"), false) >= 0);
return -PA_ERR_IO;
}
return 0;
}
+/* Run from main thread */
+static void handle_transport_state_change(struct userdata *u, struct pa_bluetooth_transport *t) {
+ bool acquire = false;
+ bool release = false;
+ pa_card_profile *cp;
+ pa_device_port *port;
+
+ pa_assert(u);
+ pa_assert(t);
+
+ /* Update profile availability */
+ if (!(cp = pa_hashmap_get(u->card->profiles, pa_bluetooth_profile_to_string(t->profile))))
+ return;
+ pa_card_profile_set_available(cp, transport_state_to_availability(t->state));
+
+ /* Update port availability */
+ pa_assert_se(port = pa_hashmap_get(u->card->ports, u->output_port_name));
+ pa_device_port_set_available(port, get_port_availability(u, PA_DIRECTION_OUTPUT));
+ pa_assert_se(port = pa_hashmap_get(u->card->ports, u->input_port_name));
+ pa_device_port_set_available(port, get_port_availability(u, PA_DIRECTION_INPUT));
+
+ /* Acquire or release transport as needed */
+ acquire = (t->state == PA_BLUETOOTH_TRANSPORT_STATE_PLAYING && u->profile == t->profile);
+ release = (t->state != PA_BLUETOOTH_TRANSPORT_STATE_PLAYING && u->profile == t->profile);
+
+ if (acquire && transport_acquire(u, true) >= 0) {
+ if (u->source) {
+ pa_log_debug("Resuming source %s because its transport state changed to playing", u->source->name);
+
+ /* We remove the IDLE suspend cause, because otherwise
+ * module-loopback doesn't uncork its streams. FIXME: Messing with
+ * the IDLE suspend cause here is wrong, the correct way to handle
+ * this would probably be to uncork the loopback streams not only
+ * when the other end is unsuspended, but also when the other end's
+ * suspend cause changes to IDLE only (currently there's no
+ * notification mechanism for suspend cause changes, though). */
+ pa_source_suspend(u->source, false, PA_SUSPEND_IDLE|PA_SUSPEND_USER);
+ }
+
+ if (u->sink) {
+ pa_log_debug("Resuming sink %s because its transport state changed to playing", u->sink->name);
+
+ /* FIXME: See the previous comment. */
+ pa_sink_suspend(u->sink, false, PA_SUSPEND_IDLE|PA_SUSPEND_USER);
+ }
+ }
+
+ if (release && u->transport_acquired) {
+ /* FIXME: this release is racy, since the audio stream might have
+ * been set up again in the meantime (but not processed yet by PA).
+ * BlueZ should probably release the transport automatically, and in
+ * that case we would just mark the transport as released */
+
+ /* Remote side closed the stream so we consider it PA_SUSPEND_USER */
+ if (u->source) {
+ pa_log_debug("Suspending source %s because the remote end closed the stream", u->source->name);
+ pa_source_suspend(u->source, true, PA_SUSPEND_USER);
+ }
+
+ if (u->sink) {
+ pa_log_debug("Suspending sink %s because the remote end closed the stream", u->sink->name);
+ pa_sink_suspend(u->sink, true, PA_SUSPEND_USER);
+ }
+ }
+}
+
/* Run from main thread */
static pa_hook_result_t device_connection_changed_cb(pa_bluetooth_discovery *y, const pa_bluetooth_device *d, struct userdata *u) {
pa_assert(d);
return PA_HOOK_OK;
}
+/* Run from main thread */
+static pa_hook_result_t transport_state_changed_cb(pa_bluetooth_discovery *y, pa_bluetooth_transport *t, struct userdata *u) {
+ pa_assert(t);
+ pa_assert(u);
+
+ if (t == u->transport && t->state <= PA_BLUETOOTH_TRANSPORT_STATE_DISCONNECTED)
+ pa_assert_se(pa_card_set_profile(u->card, pa_hashmap_get(u->card->profiles, "off"), false) >= 0);
+
+ if (t->device == u->device)
+ handle_transport_state_change(u, t);
+
+ return PA_HOOK_OK;
+}
+
/* Run from main thread context */
static int device_process_msg(pa_msgobject *obj, int code, void *data, int64_t offset, pa_memchunk *chunk) {
struct bluetooth_msg *u = BLUETOOTH_MSG(obj);
break;
pa_log_debug("Switching the profile to off due to IO thread failure.");
- pa_assert_se(pa_card_set_profile(u->card, "off", false) >= 0);
+ pa_assert_se(pa_card_set_profile(u->card, pa_hashmap_get(u->card->profiles, "off"), false) >= 0);
break;
}
goto fail;
}
- if (!(u->discovery = pa_bluetooth_discovery_get(m->core)))
+ if ((u->discovery = pa_shared_get(u->core, "bluetooth-discovery")))
+ pa_bluetooth_discovery_ref(u->discovery);
+ else {
+ pa_log_error("module-bluez5-discover doesn't seem to be loaded, refusing to load module-bluez5-device");
goto fail;
+ }
if (!(u->device = pa_bluetooth_discovery_get_device_by_path(u->discovery, path))) {
pa_log_error("%s is unknown", path);
pa_hook_connect(pa_bluetooth_discovery_hook(u->discovery, PA_BLUETOOTH_HOOK_DEVICE_CONNECTION_CHANGED),
PA_HOOK_NORMAL, (pa_hook_cb_t) device_connection_changed_cb, u);
+ u->transport_state_changed_slot =
+ pa_hook_connect(pa_bluetooth_discovery_hook(u->discovery, PA_BLUETOOTH_HOOK_TRANSPORT_STATE_CHANGED),
+ PA_HOOK_NORMAL, (pa_hook_cb_t) transport_state_changed_cb, u);
+
if (add_card(u) < 0)
goto fail;
off:
stop_thread(u);
- pa_assert_se(pa_card_set_profile(u->card, "off", false) >= 0);
+ pa_assert_se(pa_card_set_profile(u->card, pa_hashmap_get(u->card->profiles, "off"), false) >= 0);
return 0;
if (u->device_connection_changed_slot)
pa_hook_slot_free(u->device_connection_changed_slot);
+ if (u->transport_state_changed_slot)
+ pa_hook_slot_free(u->transport_state_changed_slot);
+
if (u->sbc_info.buffer)
pa_xfree(u->sbc_info.buffer);
pa_xfree(u);
}
+
+int pa__get_n_used(pa_module *m) {
+ struct userdata *u;
+
+ pa_assert(m);
+ pa_assert_se(u = m->userdata);
+
+ return (u->sink ? pa_sink_linked_by(u->sink) : 0) + (u->source ? pa_source_linked_by(u->source) : 0);
+}