diff options
Diffstat (limited to 'src/modules/dbus/iface-stream.c')
| -rw-r--r-- | src/modules/dbus/iface-stream.c | 1000 |
1 files changed, 1000 insertions, 0 deletions
diff --git a/src/modules/dbus/iface-stream.c b/src/modules/dbus/iface-stream.c new file mode 100644 index 0000000..ade62ca --- /dev/null +++ b/src/modules/dbus/iface-stream.c @@ -0,0 +1,1000 @@ +/*** + 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 + by the Free Software Foundation; either version 2.1 of the License, + or (at your option) any later version. + + PulseAudio is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with PulseAudio; if not, see <http://www.gnu.org/licenses/>. +***/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <pulsecore/core-util.h> +#include <pulsecore/dbus-util.h> +#include <pulsecore/protocol-dbus.h> + +#include "iface-stream.h" + +#define PLAYBACK_OBJECT_NAME "playback_stream" +#define RECORD_OBJECT_NAME "record_stream" + +enum stream_type { + STREAM_TYPE_PLAYBACK, + STREAM_TYPE_RECORD +}; + +struct pa_dbusiface_stream { + pa_dbusiface_core *core; + + union { + pa_sink_input *sink_input; + pa_source_output *source_output; + }; + enum stream_type type; + char *path; + union { + pa_sink *sink; + pa_source *source; + }; + uint32_t sample_rate; + pa_cvolume volume; + dbus_bool_t mute; + pa_proplist *proplist; + + bool has_volume; + + pa_dbus_protocol *dbus_protocol; + pa_hook_slot *send_event_slot; + pa_hook_slot *move_finish_slot; + pa_hook_slot *volume_changed_slot; + pa_hook_slot *mute_changed_slot; + pa_hook_slot *proplist_changed_slot; + pa_hook_slot *state_changed_slot; +}; + +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, DBusMessageIter *iter, void *userdata); +static void handle_get_mute(DBusConnection *conn, DBusMessage *msg, void *userdata); +static void handle_set_mute(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, 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_MUTE, + 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_MUTE] = { .property_name = "Mute", .type = "b", .get_cb = handle_get_mute, .set_cb = handle_set_mute }, + [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, + .n_method_handlers = METHOD_HANDLER_MAX, + .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); +} + +/* The returned string has to be freed with pa_xfree() by the caller. */ +static char *stream_to_string(pa_dbusiface_stream *s) { + if (s->type == STREAM_TYPE_PLAYBACK) + return pa_sprintf_malloc("Playback stream %u", (unsigned) s->sink_input->index); + else + return pa_sprintf_malloc("Record stream %u", (unsigned) s->source_output->index); +} + +static void handle_get_driver(DBusConnection *conn, DBusMessage *msg, void *userdata) { + pa_dbusiface_stream *s = userdata; + const char *driver = NULL; + + pa_assert(conn); + pa_assert(msg); + pa_assert(s); + + driver = (s->type == STREAM_TYPE_PLAYBACK) ? s->sink_input->driver : s->source_output->driver; + + if (!driver) { + char *str = stream_to_string(s); + + pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "%s doesn't have a driver.", str); + pa_xfree(str); + + return; + } + + pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &driver); +} + +static void handle_get_owner_module(DBusConnection *conn, DBusMessage *msg, void *userdata) { + pa_dbusiface_stream *s = userdata; + pa_module *owner_module = NULL; + const char *object_path = NULL; + + pa_assert(conn); + pa_assert(msg); + pa_assert(s); + + owner_module = (s->type == STREAM_TYPE_PLAYBACK) ? s->sink_input->module : s->source_output->module; + + if (!owner_module) { + char *str = stream_to_string(s); + + pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "%s doesn't have an owner module.", str); + pa_xfree(str); + + return; + } + + object_path = pa_dbusiface_core_get_module_path(s->core, owner_module); + + pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &object_path); +} + +static void handle_get_client(DBusConnection *conn, DBusMessage *msg, void *userdata) { + pa_dbusiface_stream *s = userdata; + pa_client *client = NULL; + const char *object_path = NULL; + + pa_assert(conn); + pa_assert(msg); + pa_assert(s); + + client = (s->type == STREAM_TYPE_PLAYBACK) ? s->sink_input->client : s->source_output->client; + + if (!client) { + char *str = stream_to_string(s); + + pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "%s isn't associated to any client.", str); + pa_xfree(str); + + return; + } + + object_path = pa_dbusiface_core_get_client_path(s->core, client); + + pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &object_path); +} + +static void handle_get_device(DBusConnection *conn, DBusMessage *msg, void *userdata) { + pa_dbusiface_stream *s = userdata; + const char *device = NULL; + + pa_assert(conn); + pa_assert(msg); + pa_assert(s); + + if (s->type == STREAM_TYPE_PLAYBACK) + device = pa_dbusiface_core_get_sink_path(s->core, s->sink); + else + device = pa_dbusiface_core_get_source_path(s->core, s->source); + + pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_OBJECT_PATH, &device); +} + +static void handle_get_sample_format(DBusConnection *conn, DBusMessage *msg, void *userdata) { + pa_dbusiface_stream *s = userdata; + dbus_uint32_t sample_format = 0; + + pa_assert(conn); + pa_assert(msg); + pa_assert(s); + + sample_format = (s->type == STREAM_TYPE_PLAYBACK) + ? s->sink_input->sample_spec.format + : s->source_output->sample_spec.format; + + pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &sample_format); +} + +static void handle_get_sample_rate(DBusConnection *conn, DBusMessage *msg, void *userdata) { + pa_dbusiface_stream *s = userdata; + + pa_assert(conn); + pa_assert(msg); + pa_assert(s); + + pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &s->sample_rate); +} + +static void handle_get_channels(DBusConnection *conn, DBusMessage *msg, void *userdata) { + pa_dbusiface_stream *s = userdata; + pa_channel_map *channel_map = NULL; + dbus_uint32_t channels[PA_CHANNELS_MAX]; + unsigned i = 0; + + pa_assert(conn); + pa_assert(msg); + pa_assert(s); + + channel_map = (s->type == STREAM_TYPE_PLAYBACK) ? &s->sink_input->channel_map : &s->source_output->channel_map; + + for (i = 0; i < channel_map->channels; ++i) + channels[i] = channel_map->map[i]; + + pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_UINT32, channels, channel_map->channels); +} + +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->has_volume) { + char *str = stream_to_string(s); + + pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "%s doesn't have volume.", str); + pa_xfree(str); + + 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, DBusMessageIter *iter, void *userdata) { + pa_dbusiface_stream *s = userdata; + bool volume_writable = true; + DBusMessageIter array_iter; + int stream_channels = 0; + dbus_uint32_t *volume = NULL; + int n_volume_entries = 0; + pa_cvolume new_vol; + int i = 0; + + pa_assert(conn); + pa_assert(msg); + pa_assert(iter); + pa_assert(s); + + volume_writable = (s->type == STREAM_TYPE_PLAYBACK) ? s->sink_input->volume_writable : false; + + if (!s->has_volume || !volume_writable) { + char *str = stream_to_string(s); + + if (!s->has_volume) + pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "%s doesn't have volume.", str); + else if (!volume_writable) + pa_dbus_send_error(conn, msg, DBUS_ERROR_ACCESS_DENIED, "%s has read-only volume.", str); + pa_xfree(str); + + return; + } + + stream_channels = s->sink_input->channel_map.channels; + + dbus_message_iter_recurse(iter, &array_iter); + dbus_message_iter_get_fixed_array(&array_iter, &volume, &n_volume_entries); + + if (n_volume_entries != stream_channels && n_volume_entries != 1) { + pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, + "Expected %u volume entries, got %u.", stream_channels, n_volume_entries); + return; + } + + pa_cvolume_init(&new_vol); + new_vol.channels = n_volume_entries; + + for (i = 0; i < n_volume_entries; ++i) { + if (!PA_VOLUME_IS_VALID(volume[i])) { + pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Invalid volume: %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_mute(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->mute); +} + +static void handle_set_mute(DBusConnection *conn, DBusMessage *msg, DBusMessageIter *iter, void *userdata) { + pa_dbusiface_stream *s = userdata; + dbus_bool_t mute = FALSE; + + pa_assert(conn); + pa_assert(msg); + pa_assert(iter); + pa_assert(s); + + dbus_message_iter_get_basic(iter, &mute); + + 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, mute, true); + + pa_dbus_send_empty_reply(conn, msg); +} + +static void handle_get_buffer_latency(DBusConnection *conn, DBusMessage *msg, void *userdata) { + pa_dbusiface_stream *s = userdata; + dbus_uint64_t buffer_latency = 0; + + pa_assert(conn); + pa_assert(msg); + pa_assert(s); + + if (s->type == STREAM_TYPE_PLAYBACK) + buffer_latency = pa_sink_input_get_latency(s->sink_input, NULL); + else + buffer_latency = pa_source_output_get_latency(s->source_output, NULL); + + pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT64, &buffer_latency); +} + +static void handle_get_device_latency(DBusConnection *conn, DBusMessage *msg, void *userdata) { + pa_dbusiface_stream *s = userdata; + dbus_uint64_t device_latency = 0; + + pa_assert(conn); + pa_assert(msg); + pa_assert(s); + + if (s->type == STREAM_TYPE_PLAYBACK) + pa_sink_input_get_latency(s->sink_input, &device_latency); + else + pa_source_output_get_latency(s->source_output, &device_latency); + + pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT64, &device_latency); +} + +static void handle_get_resample_method(DBusConnection *conn, DBusMessage *msg, void *userdata) { + pa_dbusiface_stream *s = userdata; + const char *resample_method = NULL; + + pa_assert(conn); + pa_assert(msg); + pa_assert(s); + + if (s->type == STREAM_TYPE_PLAYBACK) + resample_method = pa_resample_method_to_string(s->sink_input->actual_resample_method); + else + resample_method = pa_resample_method_to_string(s->source_output->actual_resample_method); + + if (!resample_method) + resample_method = ""; + + pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &resample_method); +} + +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 = 0; + const char *driver = NULL; + pa_module *owner_module = NULL; + const char *owner_module_path = NULL; + pa_client *client = NULL; + const char *client_path = NULL; + const char *device = NULL; + dbus_uint32_t sample_format = 0; + pa_channel_map *channel_map = NULL; + dbus_uint32_t channels[PA_CHANNELS_MAX]; + dbus_uint32_t volume[PA_CHANNELS_MAX]; + dbus_uint64_t buffer_latency = 0; + dbus_uint64_t device_latency = 0; + const char *resample_method = NULL; + unsigned i = 0; + + pa_assert(conn); + pa_assert(msg); + pa_assert(s); + + if (s->has_volume) { + for (i = 0; i < s->volume.channels; ++i) + volume[i] = s->volume.values[i]; + } + + if (s->type == STREAM_TYPE_PLAYBACK) { + idx = s->sink_input->index; + driver = s->sink_input->driver; + owner_module = s->sink_input->module; + client = s->sink_input->client; + device = pa_dbusiface_core_get_sink_path(s->core, s->sink); + sample_format = s->sink_input->sample_spec.format; + channel_map = &s->sink_input->channel_map; + buffer_latency = pa_sink_input_get_latency(s->sink_input, &device_latency); + resample_method = pa_resample_method_to_string(s->sink_input->actual_resample_method); + } else { + idx = s->source_output->index; + driver = s->source_output->driver; + owner_module = s->source_output->module; + client = s->source_output->client; + device = pa_dbusiface_core_get_source_path(s->core, s->source); + sample_format = s->source_output->sample_spec.format; + channel_map = &s->source_output->channel_map; + buffer_latency = pa_source_output_get_latency(s->source_output, &device_latency); + resample_method = pa_resample_method_to_string(s->source_output->actual_resample_method); + } + if (owner_module) + owner_module_path = pa_dbusiface_core_get_module_path(s->core, owner_module); + if (client) + client_path = pa_dbusiface_core_get_client_path(s->core, client); + for (i = 0; i < channel_map->channels; ++i) + channels[i] = channel_map->map[i]; + if (!resample_method) + resample_method = ""; + + 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 (driver) + pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_DRIVER].property_name, DBUS_TYPE_STRING, &driver); + + if (owner_module) + pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_OWNER_MODULE].property_name, DBUS_TYPE_OBJECT_PATH, &owner_module_path); + + if (client) + pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_CLIENT].property_name, DBUS_TYPE_OBJECT_PATH, &client_path); + + pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_DEVICE].property_name, DBUS_TYPE_OBJECT_PATH, &device); + pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SAMPLE_FORMAT].property_name, DBUS_TYPE_UINT32, &sample_format); + pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_SAMPLE_RATE].property_name, DBUS_TYPE_UINT32, &s->sample_rate); + pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_CHANNELS].property_name, DBUS_TYPE_UINT32, channels, channel_map->channels); + + if (s->has_volume) { + 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_MUTE].property_name, DBUS_TYPE_BOOLEAN, &s->mute); + } + + pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_BUFFER_LATENCY].property_name, DBUS_TYPE_UINT64, &buffer_latency); + pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_DEVICE_LATENCY].property_name, DBUS_TYPE_UINT64, &device_latency); + pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_RESAMPLE_METHOD].property_name, DBUS_TYPE_STRING, &resample_method); + 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 handle_move(DBusConnection *conn, DBusMessage *msg, void *userdata) { + pa_dbusiface_stream *s = userdata; + const char *device = NULL; + + pa_assert(conn); + pa_assert(msg); + pa_assert(s); + + pa_assert_se(dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &device, DBUS_TYPE_INVALID)); + + if (s->type == STREAM_TYPE_PLAYBACK) { + pa_sink *sink = pa_dbusiface_core_get_sink(s->core, device); + + if (!sink) { + pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "%s: No such sink.", device); + return; + } + + if (pa_sink_input_move_to(s->sink_input, sink, true) < 0) { + pa_dbus_send_error(conn, msg, DBUS_ERROR_FAILED, + "Moving playback stream %u to sink %s failed.", s->sink_input->index, sink->name); + return; + } + } else { + pa_source *source = pa_dbusiface_core_get_source(s->core, device); + + if (!source) { + pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NOT_FOUND, "%s: No such source.", device); + return; + } + + if (pa_source_output_move_to(s->source_output, source, true) < 0) { + pa_dbus_send_error(conn, msg, DBUS_ERROR_FAILED, + "Moving record stream %u to source %s failed.", s->source_output->index, source->name); + return; + } + } + + pa_dbus_send_empty_reply(conn, msg); +} + +static void handle_kill(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_PLAYBACK) + pa_sink_input_kill(s->sink_input); + else + pa_source_output_kill(s->source_output); + + pa_dbus_send_empty_reply(conn, msg); +} + +static void check_and_signal_rate(pa_dbusiface_stream *s) { + DBusMessage *signal_msg = NULL; + uint32_t new_sample_rate = 0; + + pa_assert(s); + + new_sample_rate = (s->type == STREAM_TYPE_PLAYBACK) + ? s->sink_input->sample_spec.rate + : s->source_output->sample_spec.rate; + + if (s->sample_rate != new_sample_rate) { + s->sample_rate = new_sample_rate; + + pa_assert_se(signal_msg = dbus_message_new_signal(s->path, + PA_DBUSIFACE_STREAM_INTERFACE, + signals[SIGNAL_SAMPLE_RATE_UPDATED].name)); + pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_UINT32, &s->sample_rate, DBUS_TYPE_INVALID)); + + pa_dbus_protocol_send_signal(s->dbus_protocol, signal_msg); + dbus_message_unref(signal_msg); + } +} + +static pa_hook_result_t move_finish_cb(void *hook_data, void *call_data, void *slot_data) { + pa_dbusiface_stream *s = slot_data; + const char *new_device_path = NULL; + DBusMessage *signal_msg = NULL; + + if ((s->type == STREAM_TYPE_PLAYBACK && s->sink_input != call_data) || + (s->type == STREAM_TYPE_RECORD && s->source_output != call_data)) + return PA_HOOK_OK; + + if (s->type == STREAM_TYPE_PLAYBACK) { + pa_sink *new_sink = s->sink_input->sink; + + if (s->sink != new_sink) { + pa_sink_unref(s->sink); + s->sink = pa_sink_ref(new_sink); + + new_device_path = pa_dbusiface_core_get_sink_path(s->core, new_sink); + + pa_assert_se(signal_msg = dbus_message_new_signal(s->path, + PA_DBUSIFACE_STREAM_INTERFACE, + signals[SIGNAL_DEVICE_UPDATED].name)); + pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &new_device_path, DBUS_TYPE_INVALID)); + + pa_dbus_protocol_send_signal(s->dbus_protocol, signal_msg); + dbus_message_unref(signal_msg); + } + } else { + pa_source *new_source = s->source_output->source; + + if (s->source != new_source) { + pa_source_unref(s->source); + s->source = pa_source_ref(new_source); + + new_device_path = pa_dbusiface_core_get_source_path(s->core, new_source); + + pa_assert_se(signal_msg = dbus_message_new_signal(s->path, + PA_DBUSIFACE_STREAM_INTERFACE, + signals[SIGNAL_DEVICE_UPDATED].name)); + pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_OBJECT_PATH, &new_device_path, DBUS_TYPE_INVALID)); + + pa_dbus_protocol_send_signal(s->dbus_protocol, signal_msg); + dbus_message_unref(signal_msg); + } + } + + check_and_signal_rate(s); + + return PA_HOOK_OK; +} + +static pa_hook_result_t volume_changed_cb(void *hook_data, void *call_data, void *slot_data) { + pa_dbusiface_stream *s = slot_data; + DBusMessage *signal_msg = NULL; + unsigned i = 0; + + if ((s->type == STREAM_TYPE_PLAYBACK && s->sink_input != call_data) || + (s->type == STREAM_TYPE_RECORD && s->source_output != call_data)) + return PA_HOOK_OK; + + if (s->type == STREAM_TYPE_PLAYBACK && s->has_volume) { + pa_cvolume new_volume; + + 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_msg = dbus_message_new_signal(s->path, + PA_DBUSIFACE_STREAM_INTERFACE, + signals[SIGNAL_VOLUME_UPDATED].name)); + pa_assert_se(dbus_message_append_args(signal_msg, + DBUS_TYPE_ARRAY, DBUS_TYPE_UINT32, &volume_ptr, s->volume.channels, + DBUS_TYPE_INVALID)); + + pa_dbus_protocol_send_signal(s->dbus_protocol, signal_msg); + dbus_message_unref(signal_msg); + } + } + + return PA_HOOK_OK; +} + +static pa_hook_result_t mute_changed_cb(void *hook_data, void *call_data, void *slot_data) { + pa_dbusiface_stream *s = slot_data; + DBusMessage *signal_msg = NULL; + + if ((s->type == STREAM_TYPE_PLAYBACK && s->sink_input != call_data) || + (s->type == STREAM_TYPE_RECORD && s->source_output != call_data)) + return PA_HOOK_OK; + + if (s->type == STREAM_TYPE_PLAYBACK) { + bool new_mute = false; + + new_mute = s->sink_input->muted; + + if (s->mute != new_mute) { + s->mute = new_mute; + + pa_assert_se(signal_msg = dbus_message_new_signal(s->path, + PA_DBUSIFACE_STREAM_INTERFACE, + signals[SIGNAL_MUTE_UPDATED].name)); + pa_assert_se(dbus_message_append_args(signal_msg, DBUS_TYPE_BOOLEAN, &s->mute, DBUS_TYPE_INVALID)); + + pa_dbus_protocol_send_signal(s->dbus_protocol, signal_msg); + dbus_message_unref(signal_msg); + signal_msg = NULL; + } + } + + return PA_HOOK_OK; +} + +static pa_hook_result_t proplist_changed_cb(void *hook_data, void *call_data, void *slot_data) { + pa_dbusiface_stream *s = slot_data; + DBusMessage *signal_msg = NULL; + pa_proplist *new_proplist = NULL; + + if ((s->type == STREAM_TYPE_PLAYBACK && s->sink_input != call_data) || + (s->type == STREAM_TYPE_RECORD && s->source_output != call_data)) + return PA_HOOK_OK; + + 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_msg = dbus_message_new_signal(s->path, + PA_DBUSIFACE_STREAM_INTERFACE, + signals[SIGNAL_PROPERTY_LIST_UPDATED].name)); + dbus_message_iter_init_append(signal_msg, &msg_iter); + pa_dbus_append_proplist(&msg_iter, s->proplist); + + pa_dbus_protocol_send_signal(s->dbus_protocol, signal_msg); + dbus_message_unref(signal_msg); + } + + return PA_HOOK_OK; +} + +static pa_hook_result_t state_changed_cb(void *hook_data, void *call_data, void *slot_data) { + pa_dbusiface_stream *s = slot_data; + + pa_assert(s); + + if ((s->type == STREAM_TYPE_PLAYBACK && s->sink_input != call_data) || + (s->type == STREAM_TYPE_RECORD && s->source_output != call_data)) + return PA_HOOK_OK; + + check_and_signal_rate(s); + + return PA_HOOK_OK; +} + +static pa_hook_result_t send_event_cb(void *hook_data, void *call_data, void *slot_data) { + pa_dbusiface_stream *s = slot_data; + DBusMessage *signal_msg = NULL; + DBusMessageIter msg_iter; + const char *name = NULL; + pa_proplist *property_list = NULL; + + pa_assert(call_data); + pa_assert(s); + + if (s->type == STREAM_TYPE_PLAYBACK) { + pa_sink_input_send_event_hook_data *data = call_data; + + if (data->sink_input != s->sink_input) + return PA_HOOK_OK; + + name = data->event; + property_list = data->data; + } else { + pa_source_output_send_event_hook_data *data = call_data; + + if (data->source_output != s->source_output) + return PA_HOOK_OK; + + name = data->event; + property_list = data->data; + } + + pa_assert_se(signal_msg = dbus_message_new_signal(s->path, + PA_DBUSIFACE_STREAM_INTERFACE, + signals[SIGNAL_STREAM_EVENT].name)); + dbus_message_iter_init_append(signal_msg, &msg_iter); + pa_assert_se(dbus_message_iter_append_basic(&msg_iter, DBUS_TYPE_STRING, &name)); + pa_dbus_append_proplist(&msg_iter, property_list); + + pa_dbus_protocol_send_signal(s->dbus_protocol, signal_msg); + dbus_message_unref(signal_msg); + + return PA_HOOK_OK; +} + +pa_dbusiface_stream *pa_dbusiface_stream_new_playback(pa_dbusiface_core *core, pa_sink_input *sink_input) { + pa_dbusiface_stream *s; + + pa_assert(core); + pa_assert(sink_input); + + s = pa_xnew(pa_dbusiface_stream, 1); + s->core = core; + 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); + s->sink = pa_sink_ref(sink_input->sink); + s->sample_rate = sink_input->sample_spec.rate; + s->has_volume = pa_sink_input_is_volume_readable(sink_input); + + if (s->has_volume) + pa_sink_input_get_volume(sink_input, &s->volume, true); + else + pa_cvolume_init(&s->volume); + + s->mute = sink_input->muted; + s->proplist = pa_proplist_copy(sink_input->proplist); + s->dbus_protocol = pa_dbus_protocol_get(sink_input->core); + s->send_event_slot = pa_hook_connect(&sink_input->core->hooks[PA_CORE_HOOK_SINK_INPUT_SEND_EVENT], + PA_HOOK_NORMAL, + send_event_cb, + s); + s->move_finish_slot = pa_hook_connect(&sink_input->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE_FINISH], + PA_HOOK_NORMAL, move_finish_cb, s); + s->volume_changed_slot = pa_hook_connect(&sink_input->core->hooks[PA_CORE_HOOK_SINK_INPUT_VOLUME_CHANGED], + PA_HOOK_NORMAL, volume_changed_cb, s); + s->mute_changed_slot = pa_hook_connect(&sink_input->core->hooks[PA_CORE_HOOK_SINK_INPUT_MUTE_CHANGED], + PA_HOOK_NORMAL, mute_changed_cb, s); + s->proplist_changed_slot = pa_hook_connect(&sink_input->core->hooks[PA_CORE_HOOK_SINK_INPUT_PROPLIST_CHANGED], + PA_HOOK_NORMAL, proplist_changed_cb, s); + s->state_changed_slot = pa_hook_connect(&sink_input->core->hooks[PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED], + PA_HOOK_NORMAL, state_changed_cb, s); + + pa_assert_se(pa_dbus_protocol_add_interface(s->dbus_protocol, s->path, &stream_interface_info, s) >= 0); + + return s; +} + +pa_dbusiface_stream *pa_dbusiface_stream_new_record(pa_dbusiface_core *core, pa_source_output *source_output) { + pa_dbusiface_stream *s; + + pa_assert(core); + pa_assert(source_output); + + s = pa_xnew(pa_dbusiface_stream, 1); + s->core = core; + 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); + s->source = pa_source_ref(source_output->source); + s->sample_rate = source_output->sample_spec.rate; + pa_cvolume_init(&s->volume); + s->mute = false; + s->proplist = pa_proplist_copy(source_output->proplist); + s->has_volume = false; + s->dbus_protocol = pa_dbus_protocol_get(source_output->core); + s->send_event_slot = pa_hook_connect(&source_output->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_SEND_EVENT], + PA_HOOK_NORMAL, + send_event_cb, + s); + s->move_finish_slot = pa_hook_connect(&source_output->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_FINISH], + PA_HOOK_NORMAL, move_finish_cb, s); + s->volume_changed_slot = pa_hook_connect(&source_output->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_VOLUME_CHANGED], + PA_HOOK_NORMAL, volume_changed_cb, s); + s->mute_changed_slot = pa_hook_connect(&source_output->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MUTE_CHANGED], + PA_HOOK_NORMAL, mute_changed_cb, s); + s->proplist_changed_slot = pa_hook_connect(&source_output->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_PROPLIST_CHANGED], + PA_HOOK_NORMAL, proplist_changed_cb, s); + s->state_changed_slot = pa_hook_connect(&source_output->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_STATE_CHANGED], + PA_HOOK_NORMAL, state_changed_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); + pa_sink_unref(s->sink); + } else { + pa_source_output_unref(s->source_output); + pa_source_unref(s->source); + } + + pa_proplist_free(s->proplist); + pa_dbus_protocol_unref(s->dbus_protocol); + pa_hook_slot_free(s->send_event_slot); + pa_hook_slot_free(s->move_finish_slot); + pa_hook_slot_free(s->volume_changed_slot); + pa_hook_slot_free(s->mute_changed_slot); + pa_hook_slot_free(s->proplist_changed_slot); + pa_hook_slot_free(s->state_changed_slot); + + pa_xfree(s->path); + pa_xfree(s); +} + +const char *pa_dbusiface_stream_get_path(pa_dbusiface_stream *s) { + pa_assert(s); + + return s->path; +} |