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-rw-r--r--src/output/pulse_output_plugin.c105
1 files changed, 104 insertions, 1 deletions
diff --git a/src/output/pulse_output_plugin.c b/src/output/pulse_output_plugin.c
index c24a356f2..39c8222c5 100644
--- a/src/output/pulse_output_plugin.c
+++ b/src/output/pulse_output_plugin.c
@@ -20,12 +20,15 @@
#include "pulse_output_plugin.h"
#include "output_api.h"
#include "mixer_list.h"
+#include "mixer/pulse_mixer_plugin.h"
#include <glib.h>
#include <pulse/thread-mainloop.h>
#include <pulse/context.h>
#include <pulse/stream.h>
+#include <pulse/introspect.h>
+#include <pulse/subscribe.h>
#include <pulse/error.h>
#include <assert.h>
@@ -41,6 +44,65 @@ pulse_output_quark(void)
return g_quark_from_static_string("pulse_output");
}
+void
+pulse_output_set_mixer(struct pulse_output *po, struct pulse_mixer *pm)
+{
+ assert(po != NULL);
+ assert(po->mixer == NULL);
+ assert(pm != NULL);
+
+ po->mixer = pm;
+
+ pa_threaded_mainloop_lock(po->mainloop);
+
+ if (po->context != NULL &&
+ pa_context_get_state(po->context) == PA_CONTEXT_READY) {
+ pulse_mixer_on_connect(pm, po->context);
+
+ if (po->stream != NULL &&
+ pa_stream_get_state(po->stream) == PA_STREAM_READY)
+ pulse_mixer_on_change(pm, po->context, po->stream);
+ }
+
+ pa_threaded_mainloop_unlock(po->mainloop);
+}
+
+void
+pulse_output_clear_mixer(struct pulse_output *po, struct pulse_mixer *pm)
+{
+ assert(po != NULL);
+ assert(pm != NULL);
+ assert(po->mixer == pm);
+
+ po->mixer = NULL;
+}
+
+bool
+pulse_output_set_volume(struct pulse_output *po,
+ const struct pa_cvolume *volume, GError **error_r)
+{
+ pa_operation *o;
+
+ if (po->context == NULL || po->stream == NULL ||
+ pa_stream_get_state(po->stream) != PA_STREAM_READY) {
+ g_set_error(error_r, pulse_output_quark(), 0, "disconnected");
+ return false;
+ }
+
+ o = pa_context_set_sink_input_volume(po->context,
+ pa_stream_get_index(po->stream),
+ volume, NULL, NULL);
+ if (o == NULL) {
+ g_set_error(error_r, pulse_output_quark(), 0,
+ "failed to set PulseAudio volume: %s",
+ pa_strerror(pa_context_errno(po->context)));
+ return false;
+ }
+
+ pa_operation_unref(o);
+ return true;
+}
+
/**
* \brief waits for a pulseaudio operation to finish, frees it and
* unlocks the mainloop
@@ -81,15 +143,24 @@ pulse_output_stream_success_cb(G_GNUC_UNUSED pa_stream *s,
pa_threaded_mainloop_signal(po->mainloop, 0);
}
-void
+static void
pulse_output_context_state_cb(struct pa_context *context, void *userdata)
{
struct pulse_output *po = userdata;
switch (pa_context_get_state(context)) {
case PA_CONTEXT_READY:
+ if (po->mixer != NULL)
+ pulse_mixer_on_connect(po->mixer, context);
+
+ pa_threaded_mainloop_signal(po->mainloop, 0);
+ break;
+
case PA_CONTEXT_TERMINATED:
case PA_CONTEXT_FAILED:
+ if (po->mixer != NULL)
+ pulse_mixer_on_disconnect(po->mixer);
+
/* the caller thread might be waiting for these
states */
pa_threaded_mainloop_signal(po->mainloop, 0);
@@ -103,6 +174,27 @@ pulse_output_context_state_cb(struct pa_context *context, void *userdata)
}
}
+static void
+pulse_output_subscribe_cb(pa_context *context,
+ pa_subscription_event_type_t t,
+ uint32_t idx, void *userdata)
+{
+ struct pulse_output *po = userdata;
+ pa_subscription_event_type_t facility
+ = t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK;
+ pa_subscription_event_type_t type
+ = t & PA_SUBSCRIPTION_EVENT_TYPE_MASK;
+
+ if (po->mixer != NULL &&
+ facility == PA_SUBSCRIPTION_EVENT_SINK_INPUT &&
+ po->stream != NULL &&
+ pa_stream_get_state(po->stream) == PA_STREAM_READY &&
+ idx == pa_stream_get_index(po->stream) &&
+ (type == PA_SUBSCRIPTION_EVENT_NEW ||
+ type == PA_SUBSCRIPTION_EVENT_CHANGE))
+ pulse_mixer_on_change(po->mixer, context, po->stream);
+}
+
/**
* Attempt to connect asynchronously to the PulseAudio server.
*
@@ -143,6 +235,8 @@ pulse_output_setup_context(struct pulse_output *po, GError **error_r)
pa_context_set_state_callback(po->context,
pulse_output_context_state_cb, po);
+ pa_context_set_subscribe_callback(po->context,
+ pulse_output_subscribe_cb, po);
if (!pulse_output_connect(po, error_r)) {
pa_context_unref(po->context);
@@ -283,8 +377,17 @@ pulse_output_stream_state_cb(pa_stream *stream, void *userdata)
switch (pa_stream_get_state(stream)) {
case PA_STREAM_READY:
+ if (po->mixer != NULL)
+ pulse_mixer_on_change(po->mixer, po->context, stream);
+
+ pa_threaded_mainloop_signal(po->mainloop, 0);
+ break;
+
case PA_STREAM_FAILED:
case PA_STREAM_TERMINATED:
+ if (po->mixer != NULL)
+ pulse_mixer_on_disconnect(po->mixer);
+
pa_threaded_mainloop_signal(po->mainloop, 0);
break;