This file is part of PulseAudio.
Copyright 2009 Tanu Kaskinen
+ Copyright 2009 Vincent Filali-Ansary <filali.v@azurdigitalnetworks.net>
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
#endif
#include <pulsecore/core-util.h>
+#include <pulsecore/dbus-util.h>
#include <pulsecore/protocol-dbus.h>
#include "iface-stream.h"
};
enum stream_type type;
char *path;
+ pa_cvolume volume;
+ pa_bool_t is_muted;
+ pa_proplist *proplist;
+
+ pa_dbus_protocol *dbus_protocol;
+ pa_subscription *subscription;
+};
+
+static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata);
+/*static void handle_get_driver(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_owner_module(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_client(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_device(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_sample_format(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_sample_rate(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_channels(DBusConnection *conn, DBusMessage *msg, void *userdata);*/
+static void handle_get_volume(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_set_volume(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_is_muted(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_set_is_muted(DBusConnection *conn, DBusMessage *msg, void *userdata);
+/*static void handle_get_buffer_latency(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_device_latency(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_resample_method(DBusConnection *conn, DBusMessage *msg, void *userdata);*/
+static void handle_get_property_list(DBusConnection *conn, DBusMessage *msg, void *userdata);
+
+static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
+
+/*static void handle_move(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_kill(DBusConnection *conn, DBusMessage *msg, void *userdata);*/
+
+enum property_handler_index {
+ PROPERTY_HANDLER_INDEX,
+/* PROPERTY_HANDLER_DRIVER,
+ PROPERTY_HANDLER_OWNER_MODULE,
+ PROPERTY_HANDLER_CLIENT,
+ PROPERTY_HANDLER_DEVICE,
+ PROPERTY_HANDLER_SAMPLE_FORMAT,
+ PROPERTY_HANDLER_SAMPLE_RATE,
+ PROPERTY_HANDLER_CHANNELS,*/
+ PROPERTY_HANDLER_VOLUME,
+ PROPERTY_HANDLER_IS_MUTED,
+/* PROPERTY_HANDLER_BUFFER_LATENCY,
+ PROPERTY_HANDLER_DEVICE_LATENCY,
+ PROPERTY_HANDLER_RESAMPLE_METHOD,*/
+ PROPERTY_HANDLER_PROPERTY_LIST,
+ PROPERTY_HANDLER_MAX
+};
+
+static pa_dbus_property_handler property_handlers[PROPERTY_HANDLER_MAX] = {
+ [PROPERTY_HANDLER_INDEX] = { .property_name = "Index", .type = "u", .get_cb = handle_get_index, .set_cb = NULL },
+/* [PROPERTY_HANDLER_DRIVER] = { .property_name = "Driver", .type = "s", .get_cb = handle_get_driver, .set_cb = NULL },
+ [PROPERTY_HANDLER_OWNER_MODULE] = { .property_name = "OwnerModule", .type = "o", .get_cb = handle_get_owner_module, .set_cb = NULL },
+ [PROPERTY_HANDLER_CLIENT] = { .property_name = "Client", .type = "o", .get_cb = handle_get_client, .set_cb = NULL },
+ [PROPERTY_HANDLER_DEVICE] = { .property_name = "Device", .type = "o", .get_cb = handle_get_device, .set_cb = NULL },
+ [PROPERTY_HANDLER_SAMPLE_FORMAT] = { .property_name = "SampleFormat", .type = "u", .get_cb = handle_get_sample_format, .set_cb = NULL },
+ [PROPERTY_HANDLER_SAMPLE_RATE] = { .property_name = "SampleRate", .type = "u", .get_cb = handle_get_sample_rate, .set_cb = NULL },
+ [PROPERTY_HANDLER_CHANNELS] = { .property_name = "Channels", .type = "au", .get_cb = handle_get_channels, .set_cb = NULL },*/
+ [PROPERTY_HANDLER_VOLUME] = { .property_name = "Volume", .type = "au", .get_cb = handle_get_volume, .set_cb = handle_set_volume },
+ [PROPERTY_HANDLER_IS_MUTED] = { .property_name = "IsMuted", .type = "b", .get_cb = handle_get_is_muted, .set_cb = handle_set_is_muted },
+/* [PROPERTY_HANDLER_BUFFER_LATENCY] = { .property_name = "BufferLatency", .type = "t", .get_cb = handle_get_buffer_latency, .set_cb = NULL },
+ [PROPERTY_HANDLER_DEVICE_LATENCY] = { .property_name = "DeviceLatency", .type = "t", .get_cb = handle_get_device_latency, .set_cb = NULL },
+ [PROPERTY_HANDLER_RESAMPLE_METHOD] = { .property_name = "ResampleMethod", .type = "s", .get_cb = handle_get_resample_method, .set_cb = NULL },*/
+ [PROPERTY_HANDLER_PROPERTY_LIST] = { .property_name = "PropertyList", .type = "a{say}", .get_cb = handle_get_property_list, .set_cb = NULL }
+};
+
+/*enum method_handler_index {
+ METHOD_HANDLER_MOVE,
+ METHOD_HANDLER_KILL,
+ METHOD_HANDLER_MAX
+};
+
+static pa_dbus_arg_info move_args[] = { { "device", "o", "in" } };
+
+static pa_dbus_method_handler method_handlers[METHOD_HANDLER_MAX] = {
+ [METHOD_HANDLER_MOVE] = {
+ .method_name = "Move",
+ .arguments = move_args,
+ .n_arguments = sizeof(move_args) / sizeof(pa_dbus_arg_info),
+ .receive_cb = handle_move },
+ [METHOD_HANDLER_KILL] = {
+ .method_name = "Kill",
+ .arguments = NULL,
+ .n_arguments = 0,
+ .receive_cb = handle_kill }
+};*/
+
+enum signal_index {
+/* SIGNAL_DEVICE_UPDATED,
+ SIGNAL_SAMPLE_RATE_UPDATED,*/
+ SIGNAL_VOLUME_UPDATED,
+ SIGNAL_MUTE_UPDATED,
+ SIGNAL_PROPERTY_LIST_UPDATED,
+/* SIGNAL_STREAM_EVENT,*/
+ SIGNAL_MAX
+};
+
+/*static pa_dbus_arg_info device_updated_args[] = { { "device", "o", NULL } };
+static pa_dbus_arg_info sample_rate_updated_args[] = { { "sample_rate", "u", NULL } };*/
+static pa_dbus_arg_info volume_updated_args[] = { { "volume", "au", NULL } };
+static pa_dbus_arg_info mute_updated_args[] = { { "muted", "b", NULL } };
+static pa_dbus_arg_info property_list_updated_args[] = { { "property_list", "a{say}", NULL } };
+/*static pa_dbus_arg_info stream_event_args[] = { { "name", "s", NULL }, { "property_list", "a{say}", NULL } };*/
+
+static pa_dbus_signal_info signals[SIGNAL_MAX] = {
+/* [SIGNAL_DEVICE_UPDATED] = { .name = "DeviceUpdated", .arguments = device_updated_args, .n_arguments = 1 },
+ [SIGNAL_SAMPLE_RATE_UPDATED] = { .name = "SampleRateUpdated", .arguments = sample_rate_updated_args, .n_arguments = 1 },*/
+ [SIGNAL_VOLUME_UPDATED] = { .name = "VolumeUpdated", .arguments = volume_updated_args, .n_arguments = 1 },
+ [SIGNAL_MUTE_UPDATED] = { .name = "MuteUpdated", .arguments = mute_updated_args, .n_arguments = 1 },
+ [SIGNAL_PROPERTY_LIST_UPDATED] = { .name = "PropertyListUpdated", .arguments = property_list_updated_args, .n_arguments = 1 }/*,
+ [SIGNAL_STREAM_EVENT] = { .name = "StreamEvent", .arguments = stream_event_args, .n_arguments = sizeof(stream_event_args) / sizeof(pa_dbus_arg_info) }*/
};
+static pa_dbus_interface_info stream_interface_info = {
+ .name = PA_DBUSIFACE_STREAM_INTERFACE,
+ .method_handlers = /*method_handlers*/ NULL,
+ .n_method_handlers = /*METHOD_HANDLER_MAX*/ 0,
+ .property_handlers = property_handlers,
+ .n_property_handlers = PROPERTY_HANDLER_MAX,
+ .get_all_properties_cb = handle_get_all,
+ .signals = signals,
+ .n_signals = SIGNAL_MAX
+};
+
+static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_stream *s = userdata;
+ dbus_uint32_t idx;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(s);
+
+ idx = (s->type == STREAM_TYPE_PLAYBACK) ? s->sink_input->index : s->source_output->index;
+
+ pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &idx);
+}
+
+static void handle_get_volume(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_stream *s = userdata;
+ dbus_uint32_t volume[PA_CHANNELS_MAX];
+ unsigned i = 0;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(s);
+
+ if (s->type == STREAM_TYPE_RECORD) {
+ pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "Record streams don't have volume.");
+ return;
+ }
+
+ for (i = 0; i < s->volume.channels; ++i)
+ volume[i] = s->volume.values[i];
+
+ pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_UINT32, volume, s->volume.channels);
+}
+
+static void handle_set_volume(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_stream *s = userdata;
+ unsigned stream_channels = 0;
+ dbus_uint32_t *volume = NULL;
+ unsigned n_volume_entries = 0;
+ pa_cvolume new_vol;
+ unsigned i = 0;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(s);
+
+ if (s->type == STREAM_TYPE_RECORD) {
+ pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "Record streams don't have volume.");
+ return;
+ }
+
+ pa_cvolume_init(&new_vol);
+
+ stream_channels = s->sink_input->channel_map.channels;
+
+ new_vol.channels = stream_channels;
+
+ if (pa_dbus_get_fixed_array_set_property_arg(conn, msg, DBUS_TYPE_UINT32, &volume, &n_volume_entries) < 0)
+ return;
+
+ if (n_volume_entries != stream_channels) {
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Expected %u volume entries, got %u.", stream_channels, n_volume_entries);
+ return;
+ }
+
+ for (i = 0; i < n_volume_entries; ++i) {
+ if (volume[i] > PA_VOLUME_MAX) {
+ pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Too large volume value: %u", volume[i]);
+ return;
+ }
+ new_vol.values[i] = volume[i];
+ }
+
+ pa_sink_input_set_volume(s->sink_input, &new_vol, TRUE, TRUE);
+
+ pa_dbus_send_empty_reply(conn, msg);
+}
+
+static void handle_get_is_muted(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_stream *s = userdata;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(s);
+
+ if (s->type == STREAM_TYPE_RECORD) {
+ pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "Record streams don't have mute.");
+ return;
+ }
+
+ pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_BOOLEAN, &s->is_muted);
+}
+
+static void handle_set_is_muted(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_stream *s = userdata;
+ dbus_bool_t is_muted = FALSE;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(s);
+
+ if (pa_dbus_get_basic_set_property_arg(conn, msg, DBUS_TYPE_BOOLEAN, &is_muted) < 0)
+ return;
+
+ if (s->type == STREAM_TYPE_RECORD) {
+ pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "Record streams don't have mute.");
+ return;
+ }
+
+ pa_sink_input_set_mute(s->sink_input, is_muted, TRUE);
+
+ pa_dbus_send_empty_reply(conn, msg);
+};
+
+static void handle_get_property_list(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_stream *s = userdata;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(s);
+
+ pa_dbus_send_proplist_variant_reply(conn, msg, s->proplist);
+}
+
+static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+ pa_dbusiface_stream *s = userdata;
+ DBusMessage *reply = NULL;
+ DBusMessageIter msg_iter;
+ DBusMessageIter dict_iter;
+ dbus_uint32_t idx;
+ dbus_uint32_t volume[PA_CHANNELS_MAX];
+ unsigned i = 0;
+
+ pa_assert(conn);
+ pa_assert(msg);
+ pa_assert(s);
+
+ idx = (s->type == STREAM_TYPE_PLAYBACK) ? s->sink_input->index : s->source_output->index;
+ if (s->type == STREAM_TYPE_PLAYBACK) {
+ for (i = 0; i < s->volume.channels; ++i)
+ volume[i] = s->volume.values[i];
+ }
+
+ pa_assert_se((reply = dbus_message_new_method_return(msg)));
+
+ dbus_message_iter_init_append(reply, &msg_iter);
+ pa_assert_se(dbus_message_iter_open_container(&msg_iter, DBUS_TYPE_ARRAY, "{sv}", &dict_iter));
+
+ pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_INDEX].property_name, DBUS_TYPE_UINT32, &idx);
+
+ if (s->type == STREAM_TYPE_PLAYBACK) {
+ pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_VOLUME].property_name, DBUS_TYPE_UINT32, volume, s->volume.channels);
+ pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_IS_MUTED].property_name, DBUS_TYPE_BOOLEAN, &s->is_muted);
+ }
+
+ pa_dbus_append_proplist_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PROPERTY_LIST].property_name, s->proplist);
+
+ pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
+ pa_assert_se(dbus_connection_send(conn, reply, NULL));
+ dbus_message_unref(reply);
+}
+
+static void subscription_cb(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata) {
+ pa_dbusiface_stream *s = userdata;
+
+ pa_assert(c);
+ pa_assert(s);
+
+ if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_CHANGE) {
+ DBusMessage *signal = NULL;
+ pa_proplist *new_proplist = NULL;
+ unsigned i = 0;
+
+ pa_assert(((s->type == STREAM_TYPE_PLAYBACK)
+ && ((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SINK_INPUT))
+ || ((s->type == STREAM_TYPE_RECORD)
+ && ((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT)));
+
+ if (s->type == STREAM_TYPE_PLAYBACK) {
+ pa_cvolume new_volume;
+ pa_bool_t new_muted = FALSE;
+
+ pa_sink_input_get_volume(s->sink_input, &new_volume, TRUE);
+
+ if (!pa_cvolume_equal(&s->volume, &new_volume)) {
+ dbus_uint32_t volume[PA_CHANNELS_MAX];
+ dbus_uint32_t *volume_ptr = volume;
+
+ s->volume = new_volume;
+
+ for (i = 0; i < s->volume.channels; ++i)
+ volume[i] = s->volume.values[i];
+
+ pa_assert_se(signal = dbus_message_new_signal(s->path,
+ PA_DBUSIFACE_STREAM_INTERFACE,
+ signals[SIGNAL_VOLUME_UPDATED].name));
+ pa_assert_se(dbus_message_append_args(signal,
+ DBUS_TYPE_ARRAY, DBUS_TYPE_UINT32, &volume_ptr, s->volume.channels,
+ DBUS_TYPE_INVALID));
+
+ pa_dbus_protocol_send_signal(s->dbus_protocol, signal);
+ dbus_message_unref(signal);
+ signal = NULL;
+ }
+
+ new_muted = pa_sink_input_get_mute(s->sink_input);
+
+ if (s->is_muted != new_muted) {
+ s->is_muted = new_muted;
+
+ pa_assert_se(signal = dbus_message_new_signal(s->path,
+ PA_DBUSIFACE_STREAM_INTERFACE,
+ signals[SIGNAL_MUTE_UPDATED].name));
+ pa_assert_se(dbus_message_append_args(signal, DBUS_TYPE_BOOLEAN, &s->is_muted, DBUS_TYPE_INVALID));
+
+ pa_dbus_protocol_send_signal(s->dbus_protocol, signal);
+ dbus_message_unref(signal);
+ signal = NULL;
+ }
+ }
+
+ new_proplist = (s->type == STREAM_TYPE_PLAYBACK) ? s->sink_input->proplist : s->source_output->proplist;
+
+ if (!pa_proplist_equal(s->proplist, new_proplist)) {
+ DBusMessageIter msg_iter;
+
+ pa_proplist_update(s->proplist, PA_UPDATE_SET, new_proplist);
+
+ pa_assert_se(signal = dbus_message_new_signal(s->path,
+ PA_DBUSIFACE_STREAM_INTERFACE,
+ signals[SIGNAL_PROPERTY_LIST_UPDATED].name));
+ dbus_message_iter_init_append(signal, &msg_iter);
+ pa_dbus_append_proplist(&msg_iter, s->proplist);
+
+ pa_dbus_protocol_send_signal(s->dbus_protocol, signal);
+ dbus_message_unref(signal);
+ signal = NULL;
+ }
+ }
+}
+
pa_dbusiface_stream *pa_dbusiface_stream_new_playback(pa_dbusiface_core *core, pa_sink_input *sink_input) {
pa_dbusiface_stream *s;
s->sink_input = pa_sink_input_ref(sink_input);
s->type = STREAM_TYPE_PLAYBACK;
s->path = pa_sprintf_malloc("%s/%s%u", PA_DBUS_CORE_OBJECT_PATH, PLAYBACK_OBJECT_NAME, sink_input->index);
+ pa_sink_input_get_volume(sink_input, &s->volume, TRUE);
+ s->is_muted = pa_sink_input_get_mute(sink_input);
+ s->proplist = pa_proplist_copy(sink_input->proplist);
+ s->dbus_protocol = pa_dbus_protocol_get(sink_input->core);
+ s->subscription = pa_subscription_new(sink_input->core, PA_SUBSCRIPTION_MASK_SINK_INPUT, subscription_cb, s);
+
+ pa_assert_se(pa_dbus_protocol_add_interface(s->dbus_protocol, s->path, &stream_interface_info, s) >= 0);
return s;
}
s->source_output = pa_source_output_ref(source_output);
s->type = STREAM_TYPE_RECORD;
s->path = pa_sprintf_malloc("%s/%s%u", PA_DBUS_CORE_OBJECT_PATH, RECORD_OBJECT_NAME, source_output->index);
+ pa_cvolume_init(&s->volume);
+ s->is_muted = FALSE;
+ s->proplist = pa_proplist_copy(source_output->proplist);
+ s->dbus_protocol = pa_dbus_protocol_get(source_output->core);
+ s->subscription = pa_subscription_new(source_output->core, PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT, subscription_cb, s);
+
+ pa_assert_se(pa_dbus_protocol_add_interface(s->dbus_protocol, s->path, &stream_interface_info, s) >= 0);
return s;
}
void pa_dbusiface_stream_free(pa_dbusiface_stream *s) {
pa_assert(s);
+ pa_assert_se(pa_dbus_protocol_remove_interface(s->dbus_protocol, s->path, stream_interface_info.name) >= 0);
+
if (s->type == STREAM_TYPE_PLAYBACK)
pa_sink_input_unref(s->sink_input);
else
pa_source_output_unref(s->source_output);
+ pa_proplist_free(s->proplist);
+ pa_dbus_protocol_unref(s->dbus_protocol);
+ pa_subscription_free(s->subscription);
+
pa_xfree(s->path);
pa_xfree(s);
}