code.delx.au - pulseaudio/blob - src/modules/dbus/iface-device.c

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2009 Tanu Kaskinen
   5
   6   PulseAudio is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU Lesser General Public License as published
   8   by the Free Software Foundation; either version 2.1 of the License,
   9   or (at your option) any later version.
  10
  11   PulseAudio is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with PulseAudio; if not, write to the Free Software
  18   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  19   USA.
  20 ***/
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <pulsecore/core-util.h>
  27 #include <pulsecore/dbus-util.h>
  28 #include <pulsecore/protocol-dbus.h>
  29
  30 #include "iface-device-port.h"
  31
  32 #include "iface-device.h"
  33
  34 #define SINK_OBJECT_NAME "sink"
  35 #define SOURCE_OBJECT_NAME "source"
  36
  37 static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata);
  38 static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
  39 static void handle_get_driver(DBusConnection *conn, DBusMessage *msg, void *userdata);
  40 static void handle_get_owner_module(DBusConnection *conn, DBusMessage *msg, void *userdata);
  41 static void handle_get_card(DBusConnection *conn, DBusMessage *msg, void *userdata);
  42 static void handle_get_sample_format(DBusConnection *conn, DBusMessage *msg, void *userdata);
  43 static void handle_get_sample_rate(DBusConnection *conn, DBusMessage *msg, void *userdata);
  44 static void handle_get_channels(DBusConnection *conn, DBusMessage *msg, void *userdata);
  45 static void handle_get_volume(DBusConnection *conn, DBusMessage *msg, void *userdata);
  46 static void handle_set_volume(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata);
  47 static void handle_get_has_flat_volume(DBusConnection *conn, DBusMessage *msg, void *userdata);
  48 static void handle_get_has_convertible_to_decibel_volume(DBusConnection *conn, DBusMessage *msg, void *userdata);
  49 static void handle_get_base_volume(DBusConnection *conn, DBusMessage *msg, void *userdata);
  50 static void handle_get_volume_steps(DBusConnection *conn, DBusMessage *msg, void *userdata);
  51 static void handle_get_mute(DBusConnection *conn, DBusMessage *msg, void *userdata);
  52 static void handle_set_mute(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata);
  53 static void handle_get_has_hardware_volume(DBusConnection *conn, DBusMessage *msg, void *userdata);
  54 static void handle_get_has_hardware_mute(DBusConnection *conn, DBusMessage *msg, void *userdata);
  55 static void handle_get_configured_latency(DBusConnection *conn, DBusMessage *msg, void *userdata);
  56 static void handle_get_has_dynamic_latency(DBusConnection *conn, DBusMessage *msg, void *userdata);
  57 static void handle_get_latency(DBusConnection *conn, DBusMessage *msg, void *userdata);
  58 static void handle_get_is_hardware_device(DBusConnection *conn, DBusMessage *msg, void *userdata);
  59 static void handle_get_is_network_device(DBusConnection *conn, DBusMessage *msg, void *userdata);
  60 static void handle_get_state(DBusConnection *conn, DBusMessage *msg, void *userdata);
  61 static void handle_get_ports(DBusConnection *conn, DBusMessage *msg, void *userdata);
  62 static void handle_get_active_port(DBusConnection *conn, DBusMessage *msg, void *userdata);
  63 static void handle_set_active_port(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata);
  64 static void handle_get_property_list(DBusConnection *conn, DBusMessage *msg, void *userdata);
  65
  66 static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
  67
  68 static void handle_suspend(DBusConnection *conn, DBusMessage *msg, void *userdata);
  69 static void handle_get_port_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
  70
  71 static void handle_sink_get_monitor_source(DBusConnection *conn, DBusMessage *msg, void *userdata);
  72
  73 static void handle_sink_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
  74
  75 static void handle_source_get_monitor_of_sink(DBusConnection *conn, DBusMessage *msg, void *userdata);
  76
  77 static void handle_source_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
  78
  79 enum device_type {
  80     DEVICE_TYPE_SINK,
  81     DEVICE_TYPE_SOURCE
  82 };
  83
  84 struct pa_dbusiface_device {
  85     pa_dbusiface_core *core;
  86
  87     union {
  88         pa_sink *sink;
  89         pa_source *source;
  90     };
  91     enum device_type type;
  92     char *path;
  93     pa_cvolume volume;
  94     dbus_bool_t mute;
  95     union {
  96         pa_sink_state_t sink_state;
  97         pa_source_state_t source_state;
  98     };
  99     pa_hashmap *ports;
 100     uint32_t next_port_index;
 101     pa_device_port *active_port;
 102     pa_proplist *proplist;
 103
 104     pa_dbus_protocol *dbus_protocol;
 105     pa_subscription *subscription;
 106 };
 107
 108 enum property_handler_index {
 109     PROPERTY_HANDLER_INDEX,
 110     PROPERTY_HANDLER_NAME,
 111     PROPERTY_HANDLER_DRIVER,
 112     PROPERTY_HANDLER_OWNER_MODULE,
 113     PROPERTY_HANDLER_CARD,
 114     PROPERTY_HANDLER_SAMPLE_FORMAT,
 115     PROPERTY_HANDLER_SAMPLE_RATE,
 116     PROPERTY_HANDLER_CHANNELS,
 117     PROPERTY_HANDLER_VOLUME,
 118     PROPERTY_HANDLER_HAS_FLAT_VOLUME,
 119     PROPERTY_HANDLER_HAS_CONVERTIBLE_TO_DECIBEL_VOLUME,
 120     PROPERTY_HANDLER_BASE_VOLUME,
 121     PROPERTY_HANDLER_VOLUME_STEPS,
 122     PROPERTY_HANDLER_MUTE,
 123     PROPERTY_HANDLER_HAS_HARDWARE_VOLUME,
 124     PROPERTY_HANDLER_HAS_HARDWARE_MUTE,
 125     PROPERTY_HANDLER_CONFIGURED_LATENCY,
 126     PROPERTY_HANDLER_HAS_DYNAMIC_LATENCY,
 127     PROPERTY_HANDLER_LATENCY,
 128     PROPERTY_HANDLER_IS_HARDWARE_DEVICE,
 129     PROPERTY_HANDLER_IS_NETWORK_DEVICE,
 130     PROPERTY_HANDLER_STATE,
 131     PROPERTY_HANDLER_PORTS,
 132     PROPERTY_HANDLER_ACTIVE_PORT,
 133     PROPERTY_HANDLER_PROPERTY_LIST,
 134     PROPERTY_HANDLER_MAX
 135 };
 136
 137 enum sink_property_handler_index {
 138     SINK_PROPERTY_HANDLER_MONITOR_SOURCE,
 139     SINK_PROPERTY_HANDLER_MAX
 140 };
 141
 142 enum source_property_handler_index {
 143     SOURCE_PROPERTY_HANDLER_MONITOR_OF_SINK,
 144     SOURCE_PROPERTY_HANDLER_MAX
 145 };
 146
 147 static pa_dbus_property_handler property_handlers[PROPERTY_HANDLER_MAX] = {
 148     [PROPERTY_HANDLER_INDEX]                             = { .property_name = "Index",                         .type = "u",      .get_cb = handle_get_index,                             .set_cb = NULL },
 149     [PROPERTY_HANDLER_NAME]                              = { .property_name = "Name",                          .type = "s",      .get_cb = handle_get_name,                              .set_cb = NULL },
 150     [PROPERTY_HANDLER_DRIVER]                            = { .property_name = "Driver",                        .type = "s",      .get_cb = handle_get_driver,                            .set_cb = NULL },
 151     [PROPERTY_HANDLER_OWNER_MODULE]                      = { .property_name = "OwnerModule",                   .type = "o",      .get_cb = handle_get_owner_module,                      .set_cb = NULL },
 152     [PROPERTY_HANDLER_CARD]                              = { .property_name = "Card",                          .type = "o",      .get_cb = handle_get_card,                              .set_cb = NULL },
 153     [PROPERTY_HANDLER_SAMPLE_FORMAT]                     = { .property_name = "SampleFormat",                  .type = "u",      .get_cb = handle_get_sample_format,                     .set_cb = NULL },
 154     [PROPERTY_HANDLER_SAMPLE_RATE]                       = { .property_name = "SampleRate",                    .type = "u",      .get_cb = handle_get_sample_rate,                       .set_cb = NULL },
 155     [PROPERTY_HANDLER_CHANNELS]                          = { .property_name = "Channels",                      .type = "au",     .get_cb = handle_get_channels,                          .set_cb = NULL },
 156     [PROPERTY_HANDLER_VOLUME]                            = { .property_name = "Volume",                        .type = "au",     .get_cb = handle_get_volume,                            .set_cb = handle_set_volume },
 157     [PROPERTY_HANDLER_HAS_FLAT_VOLUME]                   = { .property_name = "HasFlatVolume",                 .type = "b",      .get_cb = handle_get_has_flat_volume,                   .set_cb = NULL },
 158     [PROPERTY_HANDLER_HAS_CONVERTIBLE_TO_DECIBEL_VOLUME] = { .property_name = "HasConvertibleToDecibelVolume", .type = "b",      .get_cb = handle_get_has_convertible_to_decibel_volume, .set_cb = NULL },
 159     [PROPERTY_HANDLER_BASE_VOLUME]                       = { .property_name = "BaseVolume",                    .type = "u",      .get_cb = handle_get_base_volume,                       .set_cb = NULL },
 160     [PROPERTY_HANDLER_VOLUME_STEPS]                      = { .property_name = "VolumeSteps",                   .type = "u",      .get_cb = handle_get_volume_steps,                      .set_cb = NULL },
 161     [PROPERTY_HANDLER_MUTE]                              = { .property_name = "Mute",                          .type = "b",      .get_cb = handle_get_mute,                              .set_cb = handle_set_mute },
 162     [PROPERTY_HANDLER_HAS_HARDWARE_VOLUME]               = { .property_name = "HasHardwareVolume",             .type = "b",      .get_cb = handle_get_has_hardware_volume,               .set_cb = NULL },
 163     [PROPERTY_HANDLER_HAS_HARDWARE_MUTE]                 = { .property_name = "HasHardwareMute",               .type = "b",      .get_cb = handle_get_has_hardware_mute,                 .set_cb = NULL },
 164     [PROPERTY_HANDLER_CONFIGURED_LATENCY]                = { .property_name = "ConfiguredLatency",             .type = "t",      .get_cb = handle_get_configured_latency,                .set_cb = NULL },
 165     [PROPERTY_HANDLER_HAS_DYNAMIC_LATENCY]               = { .property_name = "HasDynamicLatency",             .type = "b",      .get_cb = handle_get_has_dynamic_latency,               .set_cb = NULL },
 166     [PROPERTY_HANDLER_LATENCY]                           = { .property_name = "Latency",                       .type = "t",      .get_cb = handle_get_latency,                           .set_cb = NULL },
 167     [PROPERTY_HANDLER_IS_HARDWARE_DEVICE]                = { .property_name = "IsHardwareDevice",              .type = "b",      .get_cb = handle_get_is_hardware_device,                .set_cb = NULL },
 168     [PROPERTY_HANDLER_IS_NETWORK_DEVICE]                 = { .property_name = "IsNetworkDevice",               .type = "b",      .get_cb = handle_get_is_network_device,                 .set_cb = NULL },
 169     [PROPERTY_HANDLER_STATE]                             = { .property_name = "State",                         .type = "u",      .get_cb = handle_get_state,                             .set_cb = NULL },
 170     [PROPERTY_HANDLER_PORTS]                             = { .property_name = "Ports",                         .type = "ao",     .get_cb = handle_get_ports,                             .set_cb = NULL },
 171     [PROPERTY_HANDLER_ACTIVE_PORT]                       = { .property_name = "ActivePort",                    .type = "o",      .get_cb = handle_get_active_port,                       .set_cb = handle_set_active_port },
 172     [PROPERTY_HANDLER_PROPERTY_LIST]                     = { .property_name = "PropertyList",                  .type = "a{say}", .get_cb = handle_get_property_list,                     .set_cb = NULL }
 173 };
 174
 175 static pa_dbus_property_handler sink_property_handlers[SINK_PROPERTY_HANDLER_MAX] = {
 176     [SINK_PROPERTY_HANDLER_MONITOR_SOURCE] = { .property_name = "MonitorSource", .type = "o", .get_cb = handle_sink_get_monitor_source, .set_cb = NULL }
 177 };
 178
 179 static pa_dbus_property_handler source_property_handlers[SOURCE_PROPERTY_HANDLER_MAX] = {
 180     [SOURCE_PROPERTY_HANDLER_MONITOR_OF_SINK] = { .property_name = "MonitorOfSink", .type = "o", .get_cb = handle_source_get_monitor_of_sink, .set_cb = NULL }
 181 };
 182
 183 enum method_handler_index {
 184     METHOD_HANDLER_SUSPEND,
 185     METHOD_HANDLER_GET_PORT_BY_NAME,
 186     METHOD_HANDLER_MAX
 187 };
 188
 189 static pa_dbus_arg_info suspend_args[] = { { "suspend", "b", "in" } };
 190 static pa_dbus_arg_info get_port_by_name_args[] = { { "name", "s", "in" }, { "port", "o", "out" } };
 191
 192 static pa_dbus_method_handler method_handlers[METHOD_HANDLER_MAX] = {
 193     [METHOD_HANDLER_SUSPEND] = {
 194         .method_name = "Suspend",
 195         .arguments = suspend_args,
 196         .n_arguments = sizeof(suspend_args) / sizeof(pa_dbus_arg_info),
 197         .receive_cb = handle_suspend },
 198     [METHOD_HANDLER_GET_PORT_BY_NAME] = {
 199         .method_name = "GetPortByName",
 200         .arguments = get_port_by_name_args,
 201         .n_arguments = sizeof(get_port_by_name_args) / sizeof(pa_dbus_arg_info),
 202         .receive_cb = handle_get_port_by_name }
 203 };
 204
 205 enum signal_index {
 206     SIGNAL_VOLUME_UPDATED,
 207     SIGNAL_MUTE_UPDATED,
 208     SIGNAL_STATE_UPDATED,
 209     SIGNAL_ACTIVE_PORT_UPDATED,
 210     SIGNAL_PROPERTY_LIST_UPDATED,
 211     SIGNAL_MAX
 212 };
 213
 214 static pa_dbus_arg_info volume_updated_args[]        = { { "volume",        "au",     NULL } };
 215 static pa_dbus_arg_info mute_updated_args[]          = { { "muted",         "b",      NULL } };
 216 static pa_dbus_arg_info state_updated_args[]         = { { "state",         "u",      NULL } };
 217 static pa_dbus_arg_info active_port_updated_args[]   = { { "port",          "o",      NULL } };
 218 static pa_dbus_arg_info property_list_updated_args[] = { { "property_list", "a{say}", NULL } };
 219
 220 static pa_dbus_signal_info signals[SIGNAL_MAX] = {
 221     [SIGNAL_VOLUME_UPDATED]        = { .name = "VolumeUpdated",       .arguments = volume_updated_args,        .n_arguments = 1 },
 222     [SIGNAL_MUTE_UPDATED]          = { .name = "MuteUpdated",         .arguments = mute_updated_args,          .n_arguments = 1 },
 223     [SIGNAL_STATE_UPDATED]         = { .name = "StateUpdated",        .arguments = state_updated_args,         .n_arguments = 1 },
 224     [SIGNAL_ACTIVE_PORT_UPDATED]   = { .name = "ActivePortUpdated",   .arguments = active_port_updated_args,   .n_arguments = 1 },
 225     [SIGNAL_PROPERTY_LIST_UPDATED] = { .name = "PropertyListUpdated", .arguments = property_list_updated_args, .n_arguments = 1 }
 226 };
 227
 228 static pa_dbus_interface_info device_interface_info = {
 229     .name = PA_DBUSIFACE_DEVICE_INTERFACE,
 230     .method_handlers = method_handlers,
 231     .n_method_handlers = METHOD_HANDLER_MAX,
 232     .property_handlers = property_handlers,
 233     .n_property_handlers = PROPERTY_HANDLER_MAX,
 234     .get_all_properties_cb = handle_get_all,
 235     .signals = signals,
 236     .n_signals = SIGNAL_MAX
 237 };
 238
 239 static pa_dbus_interface_info sink_interface_info = {
 240     .name = PA_DBUSIFACE_SINK_INTERFACE,
 241     .method_handlers = NULL,
 242     .n_method_handlers = 0,
 243     .property_handlers = sink_property_handlers,
 244     .n_property_handlers = SINK_PROPERTY_HANDLER_MAX,
 245     .get_all_properties_cb = handle_sink_get_all,
 246     .signals = NULL,
 247     .n_signals = 0
 248 };
 249
 250 static pa_dbus_interface_info source_interface_info = {
 251     .name = PA_DBUSIFACE_SOURCE_INTERFACE,
 252     .method_handlers = NULL,
 253     .n_method_handlers = 0,
 254     .property_handlers = source_property_handlers,
 255     .n_property_handlers = SOURCE_PROPERTY_HANDLER_MAX,
 256     .get_all_properties_cb = handle_source_get_all,
 257     .signals = NULL,
 258     .n_signals = 0
 259 };
 260
 261 static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 262     pa_dbusiface_device *d = userdata;
 263     dbus_uint32_t idx = 0;
 264
 265     pa_assert(conn);
 266     pa_assert(msg);
 267     pa_assert(d);
 268
 269     idx = (d->type == DEVICE_TYPE_SINK) ? d->sink->index : d->source->index;
 270
 271     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &idx);
 272 }
 273
 274 static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 275     pa_dbusiface_device *d = userdata;
 276     const char *name = NULL;
 277
 278     pa_assert(conn);
 279     pa_assert(msg);
 280     pa_assert(d);
 281
 282     name = (d->type == DEVICE_TYPE_SINK) ? d->sink->name : d->source->name;
 283
 284     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &name);
 285 }
 286
 287 static void handle_get_driver(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 288     pa_dbusiface_device *d = userdata;
 289     const char *driver = NULL;
 290
 291     pa_assert(conn);
 292     pa_assert(msg);
 293     pa_assert(d);
 294
 295     driver = (d->type == DEVICE_TYPE_SINK) ? d->sink->driver : d->source->driver;
 296
 297     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &driver);
 298 }
 299
 300 static void handle_get_owner_module(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 301     pa_dbusiface_device *d = userdata;
 302     pa_module *owner_module = NULL;
 303     const char *object_path = NULL;
 304
 305     pa_assert(conn);
 306     pa_assert(msg);
 307     pa_assert(d);
 308
 309     owner_module = (d->type == DEVICE_TYPE_SINK) ? d->sink->module : d->source->module;
 310
 311     if (!owner_module) {
 312         if (d->type == DEVICE_TYPE_SINK)
 313             pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
 314                                "Sink %s doesn't have an owner module.", d->sink->name);
 315         else
 316             pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
 317                                "Source %s doesn't have an owner module.", d->source->name);
 318         return;
 319     }
 320
 321     object_path = pa_dbusiface_core_get_module_path(d->core, owner_module);
 322
 323     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &object_path);
 324 }
 325
 326 static void handle_get_card(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 327     pa_dbusiface_device *d = userdata;
 328     pa_card *card = NULL;
 329     const char *object_path = NULL;
 330
 331     pa_assert(conn);
 332     pa_assert(msg);
 333     pa_assert(d);
 334
 335     card = (d->type == DEVICE_TYPE_SINK) ? d->sink->card : d->source->card;
 336
 337     if (!card) {
 338         if (d->type == DEVICE_TYPE_SINK)
 339             pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
 340                                "Sink %s doesn't belong to any card.", d->sink->name);
 341         else
 342             pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
 343                                "Source %s doesn't belong to any card.", d->source->name);
 344         return;
 345     }
 346
 347     object_path = pa_dbusiface_core_get_card_path(d->core, card);
 348
 349     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &object_path);
 350 }
 351
 352 static void handle_get_sample_format(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 353     pa_dbusiface_device *d = userdata;
 354     dbus_uint32_t sample_format = 0;
 355
 356     pa_assert(conn);
 357     pa_assert(msg);
 358     pa_assert(d);
 359
 360     sample_format = (d->type == DEVICE_TYPE_SINK) ? d->sink->sample_spec.format : d->source->sample_spec.format;
 361
 362     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &sample_format);
 363 }
 364
 365 static void handle_get_sample_rate(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 366     pa_dbusiface_device *d = userdata;
 367     dbus_uint32_t sample_rate = 0;
 368
 369     pa_assert(conn);
 370     pa_assert(msg);
 371     pa_assert(d);
 372
 373     sample_rate = (d->type == DEVICE_TYPE_SINK) ? d->sink->sample_spec.rate : d->source->sample_spec.rate;
 374
 375     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &sample_rate);
 376 }
 377
 378 static void handle_get_channels(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 379     pa_dbusiface_device *d = userdata;
 380     pa_channel_map *channel_map = NULL;
 381     dbus_uint32_t channels[PA_CHANNELS_MAX];
 382     unsigned i = 0;
 383
 384     pa_assert(conn);
 385     pa_assert(msg);
 386     pa_assert(d);
 387
 388     channel_map = (d->type == DEVICE_TYPE_SINK) ? &d->sink->channel_map : &d->source->channel_map;
 389
 390     for (i = 0; i < channel_map->channels; ++i)
 391         channels[i] = channel_map->map[i];
 392
 393     pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_UINT32, channels, channel_map->channels);
 394 }
 395
 396 static void handle_get_volume(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 397     pa_dbusiface_device *d = userdata;
 398     dbus_uint32_t volume[PA_CHANNELS_MAX];
 399     unsigned i = 0;
 400
 401     pa_assert(conn);
 402     pa_assert(msg);
 403     pa_assert(d);
 404
 405     for (i = 0; i < d->volume.channels; ++i)
 406         volume[i] = d->volume.values[i];
 407
 408     pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_UINT32, volume, d->volume.channels);
 409 }
 410
 411 static void handle_set_volume(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata) {
 412     pa_dbusiface_device *d = userdata;
 413     DBusMessageIter array_iter;
 414     int device_channels = 0;
 415     dbus_uint32_t *volume = NULL;
 416     int n_volume_entries = 0;
 417     pa_cvolume new_vol;
 418     int i = 0;
 419
 420     pa_assert(conn);
 421     pa_assert(msg);
 422     pa_assert(iter);
 423     pa_assert(d);
 424
 425     pa_cvolume_init(&new_vol);
 426
 427     device_channels = (d->type == DEVICE_TYPE_SINK) ? d->sink->channel_map.channels : d->source->channel_map.channels;
 428
 429     new_vol.channels = device_channels;
 430
 431     dbus_message_iter_recurse(iter, &array_iter);
 432     dbus_message_iter_get_fixed_array(&array_iter, &volume, &n_volume_entries);
 433
 434     if (n_volume_entries != device_channels) {
 435         pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS,
 436                            "Expected %u volume entries, got %i.", device_channels, n_volume_entries);
 437         return;
 438     }
 439
 440     for (i = 0; i < n_volume_entries; ++i) {
 441         if (volume[i] > PA_VOLUME_MAX) {
 442             pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Too large volume value: %u", volume[i]);
 443             return;
 444         }
 445         new_vol.values[i] = volume[i];
 446     }
 447
 448     if (d->type == DEVICE_TYPE_SINK)
 449         pa_sink_set_volume(d->sink, &new_vol, TRUE, TRUE);
 450     else
 451         pa_source_set_volume(d->source, &new_vol, TRUE);
 452
 453     pa_dbus_send_empty_reply(conn, msg);
 454 }
 455
 456 static void handle_get_has_flat_volume(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 457     pa_dbusiface_device *d = userdata;
 458     dbus_bool_t has_flat_volume = FALSE;
 459
 460     pa_assert(conn);
 461     pa_assert(msg);
 462     pa_assert(d);
 463
 464     has_flat_volume = (d->type == DEVICE_TYPE_SINK) ? (d->sink->flags & PA_SINK_FLAT_VOLUME) : FALSE;
 465
 466     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_BOOLEAN, &has_flat_volume);
 467 }
 468
 469 static void handle_get_has_convertible_to_decibel_volume(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 470     pa_dbusiface_device *d = userdata;
 471     dbus_bool_t has_convertible_to_decibel_volume = FALSE;
 472
 473     pa_assert(conn);
 474     pa_assert(msg);
 475     pa_assert(d);
 476
 477     has_convertible_to_decibel_volume = (d->type == DEVICE_TYPE_SINK)
 478                                         ? (d->sink->flags & PA_SINK_DECIBEL_VOLUME)
 479                                         : (d->source->flags & PA_SOURCE_DECIBEL_VOLUME);
 480
 481     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_BOOLEAN, &has_convertible_to_decibel_volume);
 482 }
 483
 484 static void handle_get_base_volume(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 485     pa_dbusiface_device *d = userdata;
 486     dbus_uint32_t base_volume;
 487
 488     pa_assert(conn);
 489     pa_assert(msg);
 490     pa_assert(d);
 491
 492     base_volume = (d->type == DEVICE_TYPE_SINK) ? d->sink->base_volume : d->source->base_volume;
 493
 494     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &base_volume);
 495 }
 496
 497 static void handle_get_volume_steps(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 498     pa_dbusiface_device *d = userdata;
 499     dbus_uint32_t volume_steps;
 500
 501     pa_assert(conn);
 502     pa_assert(msg);
 503     pa_assert(d);
 504
 505     volume_steps = (d->type == DEVICE_TYPE_SINK) ? d->sink->n_volume_steps : d->source->n_volume_steps;
 506
 507     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &volume_steps);
 508 }
 509
 510 static void handle_get_mute(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 511     pa_dbusiface_device *d = userdata;
 512
 513     pa_assert(conn);
 514     pa_assert(msg);
 515     pa_assert(d);
 516
 517     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_BOOLEAN, &d->mute);
 518 }
 519
 520 static void handle_set_mute(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata) {
 521     pa_dbusiface_device *d = userdata;
 522     dbus_bool_t mute = FALSE;
 523
 524     pa_assert(conn);
 525     pa_assert(msg);
 526     pa_assert(iter);
 527     pa_assert(d);
 528
 529     dbus_message_iter_get_basic(iter, &mute);
 530
 531     if (d->type == DEVICE_TYPE_SINK)
 532         pa_sink_set_mute(d->sink, mute, TRUE);
 533     else
 534         pa_source_set_mute(d->source, mute, TRUE);
 535
 536     pa_dbus_send_empty_reply(conn, msg);
 537 }
 538
 539 static void handle_get_has_hardware_volume(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 540     pa_dbusiface_device *d = userdata;
 541     dbus_bool_t has_hardware_volume = FALSE;
 542
 543     pa_assert(conn);
 544     pa_assert(msg);
 545     pa_assert(d);
 546
 547     has_hardware_volume = (d->type == DEVICE_TYPE_SINK)
 548                           ? (d->sink->flags & PA_SINK_HW_VOLUME_CTRL)
 549                           : (d->source->flags & PA_SOURCE_HW_VOLUME_CTRL);
 550
 551     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_BOOLEAN, &has_hardware_volume);
 552 }
 553
 554 static void handle_get_has_hardware_mute(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 555     pa_dbusiface_device *d = userdata;
 556     dbus_bool_t has_hardware_mute = FALSE;
 557
 558     pa_assert(conn);
 559     pa_assert(msg);
 560     pa_assert(d);
 561
 562     has_hardware_mute = (d->type == DEVICE_TYPE_SINK)
 563                         ? (d->sink->flags & PA_SINK_HW_MUTE_CTRL)
 564                         : (d->source->flags & PA_SOURCE_HW_MUTE_CTRL);
 565
 566     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_BOOLEAN, &has_hardware_mute);
 567 }
 568
 569 static void handle_get_configured_latency(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 570     pa_dbusiface_device *d = userdata;
 571     dbus_uint64_t configured_latency = 0;
 572
 573     pa_assert(conn);
 574     pa_assert(msg);
 575     pa_assert(d);
 576
 577     configured_latency = (d->type == DEVICE_TYPE_SINK)
 578                          ? pa_sink_get_requested_latency(d->sink)
 579                          : pa_source_get_requested_latency(d->source);
 580
 581     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT64, &configured_latency);
 582 }
 583
 584 static void handle_get_has_dynamic_latency(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 585     pa_dbusiface_device *d = userdata;
 586     dbus_bool_t has_dynamic_latency = FALSE;
 587
 588     pa_assert(conn);
 589     pa_assert(msg);
 590     pa_assert(d);
 591
 592     has_dynamic_latency = (d->type == DEVICE_TYPE_SINK)
 593                           ? (d->sink->flags & PA_SINK_DYNAMIC_LATENCY)
 594                           : (d->source->flags & PA_SOURCE_DYNAMIC_LATENCY);
 595
 596     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_BOOLEAN, &has_dynamic_latency);
 597 }
 598
 599 static void handle_get_latency(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 600     pa_dbusiface_device *d = userdata;
 601     dbus_uint64_t latency = 0;
 602
 603     pa_assert(conn);
 604     pa_assert(msg);
 605     pa_assert(d);
 606
 607     if (d->type == DEVICE_TYPE_SINK && !(d->sink->flags & PA_SINK_LATENCY))
 608         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
 609                            "Sink %s doesn't support latency querying.", d->sink->name);
 610     else if (d->type == DEVICE_TYPE_SOURCE && !(d->source->flags & PA_SOURCE_LATENCY))
 611         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
 612                            "Source %s doesn't support latency querying.", d->source->name);
 613     return;
 614
 615     latency = (d->type == DEVICE_TYPE_SINK) ? pa_sink_get_latency(d->sink) : pa_source_get_latency(d->source);
 616
 617     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT64, &latency);
 618 }
 619
 620 static void handle_get_is_hardware_device(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 621     pa_dbusiface_device *d = userdata;
 622     dbus_bool_t is_hardware_device = FALSE;
 623
 624     pa_assert(conn);
 625     pa_assert(msg);
 626     pa_assert(d);
 627
 628     is_hardware_device = (d->type == DEVICE_TYPE_SINK)
 629                          ? (d->sink->flags & PA_SINK_HARDWARE)
 630                          : (d->source->flags & PA_SOURCE_HARDWARE);
 631
 632     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_BOOLEAN, &is_hardware_device);
 633 }
 634
 635 static void handle_get_is_network_device(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 636     pa_dbusiface_device *d = userdata;
 637     dbus_bool_t is_network_device = FALSE;
 638
 639     pa_assert(conn);
 640     pa_assert(msg);
 641     pa_assert(d);
 642
 643     is_network_device = (d->type == DEVICE_TYPE_SINK)
 644                         ? (d->sink->flags & PA_SINK_NETWORK)
 645                         : (d->source->flags & PA_SOURCE_NETWORK);
 646
 647     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_BOOLEAN, &is_network_device);
 648 }
 649
 650 static void handle_get_state(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 651     pa_dbusiface_device *d = userdata;
 652     dbus_uint32_t state;
 653
 654     pa_assert(conn);
 655     pa_assert(msg);
 656     pa_assert(d);
 657
 658     state = (d->type == DEVICE_TYPE_SINK) ? d->sink_state : d->source_state;
 659
 660     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &state);
 661 }
 662
 663 /* The caller frees the array, but not the strings. */
 664 static const char **get_ports(pa_dbusiface_device *d, unsigned *n) {
 665     const char **ports;
 666     unsigned i = 0;
 667     void *state = NULL;
 668     pa_dbusiface_device_port *port = NULL;
 669
 670     pa_assert(d);
 671     pa_assert(n);
 672
 673     *n = pa_hashmap_size(d->ports);
 674
 675     if (*n == 0)
 676         return NULL;
 677
 678     ports = pa_xnew(const char *, *n);
 679
 680     PA_HASHMAP_FOREACH(port, d->ports, state)
 681         ports[i++] = pa_dbusiface_device_port_get_path(port);
 682
 683     return ports;
 684 }
 685
 686 static void handle_get_ports(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 687     pa_dbusiface_device *d = userdata;
 688     const char **ports = NULL;
 689     unsigned n_ports = 0;
 690
 691     pa_assert(conn);
 692     pa_assert(msg);
 693     pa_assert(d);
 694
 695     ports = get_ports(d, &n_ports);
 696
 697     pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, ports, n_ports);
 698
 699     pa_xfree(ports);
 700 }
 701
 702 static void handle_get_active_port(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 703     pa_dbusiface_device *d = userdata;
 704     const char *active_port;
 705
 706     pa_assert(conn);
 707     pa_assert(msg);
 708     pa_assert(d);
 709
 710     if (!d->active_port) {
 711         pa_assert(pa_hashmap_isempty(d->ports));
 712
 713         if (d->type == DEVICE_TYPE_SINK)
 714             pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
 715                                "The sink %s has no ports, and therefore there's no active port either.", d->sink->name);
 716         else
 717             pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
 718                                "The source %s has no ports, and therefore there's no active port either.", d->source->name);
 719         return;
 720     }
 721
 722     active_port = pa_dbusiface_device_port_get_path(pa_hashmap_get(d->ports, d->active_port->name));
 723
 724     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &active_port);
 725 }
 726
 727 static void handle_set_active_port(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata) {
 728     pa_dbusiface_device *d = userdata;
 729     const char *new_active_path;
 730     pa_dbusiface_device_port *new_active;
 731     int r;
 732
 733     pa_assert(conn);
 734     pa_assert(msg);
 735     pa_assert(iter);
 736     pa_assert(d);
 737
 738     if (!d->active_port) {
 739         pa_assert(pa_hashmap_isempty(d->ports));
 740
 741         if (d->type == DEVICE_TYPE_SINK)
 742             pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
 743                                "The sink %s has no ports, and therefore there's no active port either.", d->sink->name);
 744         else
 745             pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY,
 746                                "The source %s has no ports, and therefore there's no active port either.", d->source->name);
 747         return;
 748     }
 749
 750     dbus_message_iter_get_basic(iter, &new_active_path);
 751
 752     if (!(new_active = pa_hashmap_get(d->ports, new_active_path))) {
 753         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "No such port: %s", new_active_path);
 754         return;
 755     }
 756
 757     if (d->type == DEVICE_TYPE_SINK) {
 758         if ((r = pa_sink_set_port(d->sink, pa_dbusiface_device_port_get_name(new_active), TRUE)) < 0) {
 759             pa_dbus_send_error(conn, msg, DBUS_ERROR_FAILED,
 760                                "Internal error in PulseAudio: pa_sink_set_port() failed with error code %i.", r);
 761             return;
 762         }
 763     } else {
 764         if ((r = pa_source_set_port(d->source, pa_dbusiface_device_port_get_name(new_active), TRUE)) < 0) {
 765             pa_dbus_send_error(conn, msg, DBUS_ERROR_FAILED,
 766                                "Internal error in PulseAudio: pa_source_set_port() failed with error code %i.", r);
 767             return;
 768         }
 769     }
 770
 771     pa_dbus_send_empty_reply(conn, msg);
 772 }
 773
 774 static void handle_get_property_list(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 775     pa_dbusiface_device *d = userdata;
 776
 777     pa_assert(conn);
 778     pa_assert(msg);
 779     pa_assert(d);
 780
 781     pa_dbus_send_proplist_variant_reply(conn, msg, d->proplist);
 782 }
 783
 784 static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 785     pa_dbusiface_device *d = userdata;
 786     DBusMessage *reply = NULL;
 787     DBusMessageIter msg_iter;
 788     DBusMessageIter dict_iter;
 789     dbus_uint32_t idx = 0;
 790     const char *name = NULL;
 791     const char *driver = NULL;
 792     pa_module *owner_module = NULL;
 793     const char *owner_module_path = NULL;
 794     pa_card *card = NULL;
 795     const char *card_path = NULL;
 796     dbus_uint32_t sample_format = 0;
 797     dbus_uint32_t sample_rate = 0;
 798     pa_channel_map *channel_map = NULL;
 799     dbus_uint32_t channels[PA_CHANNELS_MAX];
 800     dbus_uint32_t volume[PA_CHANNELS_MAX];
 801     dbus_bool_t has_flat_volume = FALSE;
 802     dbus_bool_t has_convertible_to_decibel_volume = FALSE;
 803     dbus_uint32_t base_volume = 0;
 804     dbus_uint32_t volume_steps = 0;
 805     dbus_bool_t has_hardware_volume = FALSE;
 806     dbus_bool_t has_hardware_mute = FALSE;
 807     dbus_uint64_t configured_latency = 0;
 808     dbus_bool_t has_dynamic_latency = FALSE;
 809     dbus_uint64_t latency = 0;
 810     dbus_bool_t is_hardware_device = FALSE;
 811     dbus_bool_t is_network_device = FALSE;
 812     dbus_uint32_t state = 0;
 813     const char **ports = NULL;
 814     unsigned n_ports = 0;
 815     const char *active_port = NULL;
 816     unsigned i = 0;
 817
 818     pa_assert(conn);
 819     pa_assert(msg);
 820     pa_assert(d);
 821
 822     if (d->type == DEVICE_TYPE_SINK) {
 823         idx = d->sink->index;
 824         name = d->sink->name;
 825         driver = d->sink->driver;
 826         owner_module = d->sink->module;
 827         card = d->sink->card;
 828         sample_format = d->sink->sample_spec.format;
 829         sample_rate = d->sink->sample_spec.rate;
 830         channel_map = &d->sink->channel_map;
 831         has_flat_volume = d->sink->flags & PA_SINK_FLAT_VOLUME;
 832         has_convertible_to_decibel_volume = d->sink->flags & PA_SINK_DECIBEL_VOLUME;
 833         base_volume = d->sink->base_volume;
 834         volume_steps = d->sink->n_volume_steps;
 835         has_hardware_volume = d->sink->flags & PA_SINK_HW_VOLUME_CTRL;
 836         has_hardware_mute = d->sink->flags & PA_SINK_HW_MUTE_CTRL;
 837         configured_latency = pa_sink_get_requested_latency(d->sink);
 838         has_dynamic_latency = d->sink->flags & PA_SINK_DYNAMIC_LATENCY;
 839         latency = pa_sink_get_latency(d->sink);
 840         is_hardware_device = d->sink->flags & PA_SINK_HARDWARE;
 841         is_network_device = d->sink->flags & PA_SINK_NETWORK;
 842         state = pa_sink_get_state(d->sink);
 843     } else {
 844         idx = d->source->index;
 845         name = d->source->name;
 846         driver = d->source->driver;
 847         owner_module = d->source->module;
 848         card = d->source->card;
 849         sample_format = d->source->sample_spec.format;
 850         sample_rate = d->source->sample_spec.rate;
 851         channel_map = &d->source->channel_map;
 852         has_flat_volume = FALSE;
 853         has_convertible_to_decibel_volume = d->source->flags & PA_SOURCE_DECIBEL_VOLUME;
 854         base_volume = d->source->base_volume;
 855         volume_steps = d->source->n_volume_steps;
 856         has_hardware_volume = d->source->flags & PA_SOURCE_HW_VOLUME_CTRL;
 857         has_hardware_mute = d->source->flags & PA_SOURCE_HW_MUTE_CTRL;
 858         configured_latency = pa_source_get_requested_latency(d->source);
 859         has_dynamic_latency = d->source->flags & PA_SOURCE_DYNAMIC_LATENCY;
 860         latency = pa_source_get_latency(d->source);
 861         is_hardware_device = d->source->flags & PA_SOURCE_HARDWARE;
 862         is_network_device = d->source->flags & PA_SOURCE_NETWORK;
 863         state = pa_source_get_state(d->source);
 864     }
 865     if (owner_module)
 866         owner_module_path = pa_dbusiface_core_get_module_path(d->core, owner_module);
 867     if (card)
 868         card_path = pa_dbusiface_core_get_card_path(d->core, card);
 869     for (i = 0; i < channel_map->channels; ++i)
 870         channels[i] = channel_map->map[i];
 871     for (i = 0; i < d->volume.channels; ++i)
 872         volume[i] = d->volume.values[i];
 873     ports = get_ports(d, &n_ports);
 874     if (d->active_port)
 875         active_port = pa_dbusiface_device_port_get_path(pa_hashmap_get(d->ports, d->active_port->name));
 876
 877     pa_assert_se((reply = dbus_message_new_method_return(msg)));
 878
 879     dbus_message_iter_init_append(reply, &msg_iter);
 880     pa_assert_se(dbus_message_iter_open_container(&msg_iter, DBUS_TYPE_ARRAY, "{sv}", &dict_iter));
 881
 882     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_INDEX].property_name, DBUS_TYPE_UINT32, &idx);
 883     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_NAME].property_name, DBUS_TYPE_STRING, &name);
 884     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_DRIVER].property_name, DBUS_TYPE_STRING, &driver);
 885
 886     if (owner_module)
 887         pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_OWNER_MODULE].property_name, DBUS_TYPE_OBJECT_PATH, &owner_module_path);
 888
 889     if (card)
 890         pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_CARD].property_name, DBUS_TYPE_OBJECT_PATH, &card_path);
 891
 892     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SAMPLE_FORMAT].property_name, DBUS_TYPE_UINT32, &sample_format);
 893     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SAMPLE_RATE].property_name, DBUS_TYPE_UINT32, &sample_rate);
 894     pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_CHANNELS].property_name, DBUS_TYPE_UINT32, channels, channel_map->channels);
 895     pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_VOLUME].property_name, DBUS_TYPE_UINT32, volume, d->volume.channels);
 896     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_HAS_FLAT_VOLUME].property_name, DBUS_TYPE_BOOLEAN, &has_flat_volume);
 897     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_HAS_CONVERTIBLE_TO_DECIBEL_VOLUME].property_name, DBUS_TYPE_BOOLEAN, &has_convertible_to_decibel_volume);
 898     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_BASE_VOLUME].property_name, DBUS_TYPE_UINT32, &base_volume);
 899     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_VOLUME_STEPS].property_name, DBUS_TYPE_UINT32, &volume_steps);
 900     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_MUTE].property_name, DBUS_TYPE_BOOLEAN, &d->mute);
 901     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_HAS_HARDWARE_VOLUME].property_name, DBUS_TYPE_BOOLEAN, &has_hardware_volume);
 902     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_HAS_HARDWARE_MUTE].property_name, DBUS_TYPE_BOOLEAN, &has_hardware_mute);
 903     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_CONFIGURED_LATENCY].property_name, DBUS_TYPE_UINT64, &configured_latency);
 904     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_HAS_DYNAMIC_LATENCY].property_name, DBUS_TYPE_BOOLEAN, &has_dynamic_latency);
 905     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_LATENCY].property_name, DBUS_TYPE_UINT64, &latency);
 906     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_IS_HARDWARE_DEVICE].property_name, DBUS_TYPE_BOOLEAN, &is_hardware_device);
 907     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_IS_NETWORK_DEVICE].property_name, DBUS_TYPE_BOOLEAN, &is_network_device);
 908     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_STATE].property_name, DBUS_TYPE_UINT32, &state);
 909     pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PORTS].property_name, DBUS_TYPE_OBJECT_PATH, ports, n_ports);
 910
 911     if (active_port)
 912         pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_ACTIVE_PORT].property_name, DBUS_TYPE_OBJECT_PATH, &active_port);
 913
 914     pa_dbus_append_proplist_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PROPERTY_LIST].property_name, d->proplist);
 915
 916     pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
 917
 918     pa_assert_se(dbus_connection_send(conn, reply, NULL));
 919
 920     dbus_message_unref(reply);
 921
 922     pa_xfree(ports);
 923 }
 924
 925 static void handle_suspend(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 926     pa_dbusiface_device *d = userdata;
 927     dbus_bool_t suspend = FALSE;
 928
 929     pa_assert(conn);
 930     pa_assert(msg);
 931     pa_assert(d);
 932
 933     pa_assert_se(dbus_message_get_args(msg, NULL, DBUS_TYPE_BOOLEAN, &suspend, DBUS_TYPE_INVALID));
 934
 935     if ((d->type == DEVICE_TYPE_SINK) && (pa_sink_suspend(d->sink, suspend, PA_SUSPEND_USER) < 0)) {
 936         pa_dbus_send_error(conn, msg, DBUS_ERROR_FAILED, "Internal error in PulseAudio: pa_sink_suspend() failed.");
 937         return;
 938     } else if ((d->type == DEVICE_TYPE_SOURCE) && (pa_source_suspend(d->source, suspend, PA_SUSPEND_USER) < 0)) {
 939         pa_dbus_send_error(conn, msg, DBUS_ERROR_FAILED, "Internal error in PulseAudio: pa_source_suspend() failed.");
 940         return;
 941     }
 942
 943     pa_dbus_send_empty_reply(conn, msg);
 944 }
 945
 946 static void handle_get_port_by_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 947     pa_dbusiface_device *d = userdata;
 948     const char *port_name = NULL;
 949     pa_dbusiface_device_port *port = NULL;
 950     const char *port_path = NULL;
 951
 952     pa_assert(conn);
 953     pa_assert(msg);
 954     pa_assert(d);
 955
 956     pa_assert_se(dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &port_name, DBUS_TYPE_INVALID));
 957
 958     if (!(port = pa_hashmap_get(d->ports, port_name))) {
 959         if (d->type == DEVICE_TYPE_SINK)
 960             pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND,
 961                                "%s: No such port on sink %s.", port_name, d->sink->name);
 962         else
 963             pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND,
 964                                "%s: No such port on source %s.", port_name, d->source->name);
 965         return;
 966     }
 967
 968     port_path = pa_dbusiface_device_port_get_path(port);
 969
 970     pa_dbus_send_basic_value_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &port_path);
 971 }
 972
 973 static void handle_sink_get_monitor_source(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 974     pa_dbusiface_device *d = userdata;
 975     const char *monitor_source = NULL;
 976
 977     pa_assert(conn);
 978     pa_assert(msg);
 979     pa_assert(d);
 980     pa_assert(d->type == DEVICE_TYPE_SINK);
 981
 982     monitor_source = pa_dbusiface_core_get_source_path(d->core, d->sink->monitor_source);
 983
 984     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &monitor_source);
 985 }
 986
 987 static void handle_sink_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
 988     pa_dbusiface_device *d = userdata;
 989     DBusMessage *reply = NULL;
 990     DBusMessageIter msg_iter;
 991     DBusMessageIter dict_iter;
 992     const char *monitor_source = NULL;
 993
 994     pa_assert(conn);
 995     pa_assert(msg);
 996     pa_assert(d);
 997     pa_assert(d->type == DEVICE_TYPE_SINK);
 998
 999     monitor_source = pa_dbusiface_core_get_source_path(d->core, d->sink->monitor_source);
1000
1001     pa_assert_se((reply = dbus_message_new_method_return(msg)));
1002
1003     dbus_message_iter_init_append(reply, &msg_iter);
1004     pa_assert_se(dbus_message_iter_open_container(&msg_iter, DBUS_TYPE_ARRAY, "{sv}", &dict_iter));
1005
1006     pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[SINK_PROPERTY_HANDLER_MONITOR_SOURCE].property_name, DBUS_TYPE_OBJECT_PATH, &monitor_source);
1007
1008     pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
1009
1010     pa_assert_se(dbus_connection_send(conn, reply, NULL));
1011
1012     dbus_message_unref(reply);
1013 }
1014
1015 static void handle_source_get_monitor_of_sink(DBusConnection *conn, DBusMessage *msg, void *userdata) {
1016     pa_dbusiface_device *d = userdata;
1017     const char *monitor_of_sink = NULL;
1018
1019     pa_assert(conn);
1020     pa_assert(msg);
1021     pa_assert(d);
1022     pa_assert(d->type == DEVICE_TYPE_SOURCE);
1023
1024     if (!d->source->monitor_of) {
1025         pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "Source %s is not a monitor source.", d->source->name);
1026         return;
1027     }
1028
1029     monitor_of_sink = pa_dbusiface_core_get_sink_path(d->core, d->source->monitor_of);
1030
1031     pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &monitor_of_sink);
1032 }
1033
1034 static void handle_source_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
1035     pa_dbusiface_device *d = userdata;
1036     DBusMessage *reply = NULL;
1037     DBusMessageIter msg_iter;
1038     DBusMessageIter dict_iter;
1039     const char *monitor_of_sink = NULL;
1040
1041     pa_assert(conn);
1042     pa_assert(msg);
1043     pa_assert(d);
1044     pa_assert(d->type == DEVICE_TYPE_SOURCE);
1045
1046     if (d->source->monitor_of)
1047         monitor_of_sink = pa_dbusiface_core_get_sink_path(d->core, d->source->monitor_of);
1048
1049     pa_assert_se((reply = dbus_message_new_method_return(msg)));
1050
1051     dbus_message_iter_init_append(reply, &msg_iter);
1052     pa_assert_se(dbus_message_iter_open_container(&msg_iter, DBUS_TYPE_ARRAY, "{sv}", &dict_iter));
1053
1054     if (monitor_of_sink)
1055         pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[SOURCE_PROPERTY_HANDLER_MONITOR_OF_SINK].property_name, DBUS_TYPE_OBJECT_PATH, &monitor_of_sink);
1056
1057     pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
1058
1059     pa_assert_se(dbus_connection_send(conn, reply, NULL));
1060
1061     dbus_message_unref(reply);
1062 }
1063
1064 static void subscription_cb(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata) {
1065     pa_dbusiface_device *d = userdata;
1066     DBusMessage *signal_msg = NULL;
1067     const pa_cvolume *new_volume = NULL;
1068     pa_bool_t new_mute = FALSE;
1069     pa_sink_state_t new_sink_state = 0;
1070     pa_source_state_t new_source_state = 0;
1071     pa_device_port *new_active_port = NULL;
1072     pa_proplist *new_proplist = NULL;
1073     unsigned i = 0;
1074
1075     pa_assert(c);
1076     pa_assert(d);
1077
1078     if ((d->type == DEVICE_TYPE_SINK && idx != d->sink->index) || (d->type == DEVICE_TYPE_SOURCE && idx != d->source->index))
1079         return;
1080
1081     if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) != PA_SUBSCRIPTION_EVENT_CHANGE)
1082         return;
1083
1084     pa_assert(((d->type == DEVICE_TYPE_SINK)
1085                 && ((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SINK))
1086               || ((d->type == DEVICE_TYPE_SOURCE)
1087                    && ((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SOURCE)));
1088
1089     new_volume = (d->type == DEVICE_TYPE_SINK)
1090                  ? pa_sink_get_volume(d->sink, FALSE)
1091                  : pa_source_get_volume(d->source, FALSE);
1092
1093     if (!pa_cvolume_equal(&d->volume, new_volume)) {
1094         dbus_uint32_t volume[PA_CHANNELS_MAX];
1095         dbus_uint32_t *volume_ptr = volume;
1096
1097         d->volume = *new_volume;
1098
1099         for (i = 0; i < d->volume.channels; ++i)
1100             volume[i] = d->volume.values[i];
1101
1102         pa_assert_se(signal_msg = dbus_message_new_signal(d->path,
1103                                                           PA_DBUSIFACE_DEVICE_INTERFACE,
1104                                                           signals[SIGNAL_VOLUME_UPDATED].name));
1105         pa_assert_se(dbus_message_append_args(signal_msg,
1106                                               DBUS_TYPE_ARRAY, DBUS_TYPE_UINT32, &volume_ptr, d->volume.channels,
1107                                               DBUS_TYPE_INVALID));
1108
1109         pa_dbus_protocol_send_signal(d->dbus_protocol, signal_msg);
1110         dbus_message_unref(signal_msg);
1111         signal_msg = NULL;
1112     }
1113
1114     new_mute = (d->type == DEVICE_TYPE_SINK) ? pa_sink_get_mute(d->sink, FALSE) : pa_source_get_mute(d->source, FALSE);
1115
1116     if (d->mute != new_mute) {
1117         d->mute = new_mute;
1118
1119         pa_assert_se(signal_msg = dbus_message_new_signal(d->path,
1120                                                           PA_DBUSIFACE_DEVICE_INTERFACE,
1121                                                           signals[SIGNAL_MUTE_UPDATED].name));
1122         pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_BOOLEAN, &d->mute, DBUS_TYPE_INVALID));
1123
1124         pa_dbus_protocol_send_signal(d->dbus_protocol, signal_msg);
1125         dbus_message_unref(signal_msg);
1126         signal_msg = NULL;
1127     }
1128
1129     if (d->type == DEVICE_TYPE_SINK)
1130         new_sink_state = pa_sink_get_state(d->sink);
1131     else
1132         new_source_state = pa_source_get_state(d->source);
1133
1134     if ((d->type == DEVICE_TYPE_SINK && d->sink_state != new_sink_state)
1135         || (d->type == DEVICE_TYPE_SOURCE && d->source_state != new_source_state)) {
1136         dbus_uint32_t state = 0;
1137
1138         if (d->type == DEVICE_TYPE_SINK)
1139             d->sink_state = new_sink_state;
1140         else
1141             d->source_state = new_source_state;
1142
1143         state = (d->type == DEVICE_TYPE_SINK) ? d->sink_state : d->source_state;
1144
1145         pa_assert_se(signal_msg = dbus_message_new_signal(d->path,
1146                                                           PA_DBUSIFACE_DEVICE_INTERFACE,
1147                                                           signals[SIGNAL_STATE_UPDATED].name));
1148         pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_UINT32, &state, DBUS_TYPE_INVALID));
1149
1150         pa_dbus_protocol_send_signal(d->dbus_protocol, signal_msg);
1151         dbus_message_unref(signal_msg);
1152         signal_msg = NULL;
1153     }
1154
1155     new_active_port = (d->type == DEVICE_TYPE_SINK) ? d->sink->active_port : d->source->active_port;
1156
1157     if (d->active_port != new_active_port) {
1158         const char *object_path = NULL;
1159
1160         d->active_port = new_active_port;
1161         object_path = pa_dbusiface_device_port_get_path(pa_hashmap_get(d->ports, d->active_port->name));
1162
1163         pa_assert_se(signal_msg = dbus_message_new_signal(d->path,
1164                                                           PA_DBUSIFACE_DEVICE_INTERFACE,
1165                                                           signals[SIGNAL_ACTIVE_PORT_UPDATED].name));
1166         pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &object_path, DBUS_TYPE_INVALID));
1167
1168         pa_dbus_protocol_send_signal(d->dbus_protocol, signal_msg);
1169         dbus_message_unref(signal_msg);
1170         signal_msg = NULL;
1171     }
1172
1173     new_proplist = (d->type == DEVICE_TYPE_SINK) ? d->sink->proplist : d->source->proplist;
1174
1175     if (!pa_proplist_equal(d->proplist, new_proplist)) {
1176         DBusMessageIter msg_iter;
1177
1178         pa_proplist_update(d->proplist, PA_UPDATE_SET, new_proplist);
1179
1180         pa_assert_se(signal_msg = dbus_message_new_signal(d->path,
1181                                                           PA_DBUSIFACE_DEVICE_INTERFACE,
1182                                                           signals[SIGNAL_PROPERTY_LIST_UPDATED].name));
1183         dbus_message_iter_init_append(signal_msg, &msg_iter);
1184         pa_dbus_append_proplist(&msg_iter, d->proplist);
1185
1186         pa_dbus_protocol_send_signal(d->dbus_protocol, signal_msg);
1187         dbus_message_unref(signal_msg);
1188         signal_msg = NULL;
1189     }
1190 }
1191
1192 pa_dbusiface_device *pa_dbusiface_device_new_sink(pa_dbusiface_core *core, pa_sink *sink) {
1193     pa_dbusiface_device *d = NULL;
1194
1195     pa_assert(core);
1196     pa_assert(sink);
1197
1198     d = pa_xnew0(pa_dbusiface_device, 1);
1199     d->core = core;
1200     d->sink = pa_sink_ref(sink);
1201     d->type = DEVICE_TYPE_SINK;
1202     d->path = pa_sprintf_malloc("%s/%s%u", PA_DBUS_CORE_OBJECT_PATH, SINK_OBJECT_NAME, sink->index);
1203     d->volume = *pa_sink_get_volume(sink, FALSE);
1204     d->mute = pa_sink_get_mute(sink, FALSE);
1205     d->sink_state = pa_sink_get_state(sink);
1206     d->ports = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
1207     d->next_port_index = 0;
1208     d->active_port = NULL;
1209     d->proplist = pa_proplist_copy(sink->proplist);
1210     d->dbus_protocol = pa_dbus_protocol_get(sink->core);
1211     d->subscription = pa_subscription_new(sink->core, PA_SUBSCRIPTION_MASK_SINK, subscription_cb, d);
1212
1213     if (sink->ports) {
1214         pa_device_port *port;
1215         void *state = NULL;
1216
1217         PA_HASHMAP_FOREACH(port, sink->ports, state) {
1218             pa_dbusiface_device_port *p = pa_dbusiface_device_port_new(d, sink->core, port, d->next_port_index++);
1219             pa_hashmap_put(d->ports, pa_dbusiface_device_port_get_name(p), p);
1220         }
1221         pa_assert_se(d->active_port = sink->active_port);
1222     }
1223
1224     pa_assert_se(pa_dbus_protocol_add_interface(d->dbus_protocol, d->path, &device_interface_info, d) >= 0);
1225     pa_assert_se(pa_dbus_protocol_add_interface(d->dbus_protocol, d->path, &sink_interface_info, d) >= 0);
1226
1227     return d;
1228 }
1229
1230 pa_dbusiface_device *pa_dbusiface_device_new_source(pa_dbusiface_core *core, pa_source *source) {
1231     pa_dbusiface_device *d = NULL;
1232
1233     pa_assert(core);
1234     pa_assert(source);
1235
1236     d = pa_xnew0(pa_dbusiface_device, 1);
1237     d->core = core;
1238     d->source = pa_source_ref(source);
1239     d->type = DEVICE_TYPE_SOURCE;
1240     d->path = pa_sprintf_malloc("%s/%s%u", PA_DBUS_CORE_OBJECT_PATH, SOURCE_OBJECT_NAME, source->index);
1241     d->volume = *pa_source_get_volume(source, FALSE);
1242     d->mute = pa_source_get_mute(source, FALSE);
1243     d->source_state = pa_source_get_state(source);
1244     d->ports = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
1245     d->next_port_index = 0;
1246     d->active_port = NULL;
1247     d->proplist = pa_proplist_copy(source->proplist);
1248     d->dbus_protocol = pa_dbus_protocol_get(source->core);
1249     d->subscription = pa_subscription_new(source->core, PA_SUBSCRIPTION_MASK_SOURCE, subscription_cb, d);
1250
1251     if (source->ports) {
1252         pa_device_port *port;
1253         void *state = NULL;
1254
1255         PA_HASHMAP_FOREACH(port, source->ports, state) {
1256             pa_dbusiface_device_port *p = pa_dbusiface_device_port_new(d, source->core, port, d->next_port_index++);
1257             pa_hashmap_put(d->ports, pa_dbusiface_device_port_get_name(p), p);
1258         }
1259         pa_assert_se(d->active_port = source->active_port);
1260     }
1261
1262     pa_assert_se(pa_dbus_protocol_add_interface(d->dbus_protocol, d->path, &device_interface_info, d) >= 0);
1263     pa_assert_se(pa_dbus_protocol_add_interface(d->dbus_protocol, d->path, &source_interface_info, d) >= 0);
1264
1265     return d;
1266 }
1267
1268 static void port_free_cb(void *p, void *userdata) {
1269     pa_dbusiface_device_port *port = p;
1270
1271     pa_assert(port);
1272
1273     pa_dbusiface_device_port_free(port);
1274 }
1275
1276 void pa_dbusiface_device_free(pa_dbusiface_device *d) {
1277     pa_assert(d);
1278
1279     pa_assert_se(pa_dbus_protocol_remove_interface(d->dbus_protocol, d->path, device_interface_info.name) >= 0);
1280
1281     if (d->type == DEVICE_TYPE_SINK) {
1282         pa_assert_se(pa_dbus_protocol_remove_interface(d->dbus_protocol, d->path, sink_interface_info.name) >= 0);
1283         pa_sink_unref(d->sink);
1284
1285     } else {
1286         pa_assert_se(pa_dbus_protocol_remove_interface(d->dbus_protocol, d->path, source_interface_info.name) >= 0);
1287         pa_source_unref(d->source);
1288     }
1289     pa_hashmap_free(d->ports, port_free_cb, NULL);
1290     pa_proplist_free(d->proplist);
1291     pa_dbus_protocol_unref(d->dbus_protocol);
1292     pa_subscription_free(d->subscription);
1293
1294     pa_xfree(d->path);
1295     pa_xfree(d);
1296 }
1297
1298 const char *pa_dbusiface_device_get_path(pa_dbusiface_device *d) {
1299     pa_assert(d);
1300
1301     return d->path;
1302 }
1303
1304 pa_sink *pa_dbusiface_device_get_sink(pa_dbusiface_device *d) {
1305     pa_assert(d);
1306     pa_assert(d->type == DEVICE_TYPE_SINK);
1307
1308     return d->sink;
1309 }
1310
1311 pa_source *pa_dbusiface_device_get_source(pa_dbusiface_device *d) {
1312     pa_assert(d);
1313     pa_assert(d->type == DEVICE_TYPE_SOURCE);
1314
1315     return d->source;
1316 }