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dbusiface-stream: Implement about a half of the Stream D-Bus interface.

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This commit is contained in:
Tanu Kaskinen 2009-08-16 19:42:56 +03:00
parent f0db081223
commit 2bb3eef414
2 changed files with 386 additions and 0 deletions
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383
src/modules/dbus/iface-stream.c
View file

@ -2,6 +2,7 @@
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
@ -24,6 +25,7 @@
#endif
#include <pulsecore/core-util.h>
#include <pulsecore/dbus-util.h>
#include <pulsecore/protocol-dbus.h>
#include "iface-stream.h"
@ -43,8 +45,369 @@ struct pa_dbusiface_stream {
};
enum stream_type type;
char *path;
pa_cvolume volume;
pa_bool_t is_muted;
pa_proplist *proplist;
pa_dbus_protocol *dbus_protocol;
pa_subscription *subscription;
};
static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata);
/*static void handle_get_driver(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_owner_module(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_client(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_device(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_sample_format(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_sample_rate(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_channels(DBusConnection *conn, DBusMessage *msg, void *userdata);*/
static void handle_get_volume(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_set_volume(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_is_muted(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_set_is_muted(DBusConnection *conn, DBusMessage *msg, void *userdata);
/*static void handle_get_buffer_latency(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_device_latency(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_resample_method(DBusConnection *conn, DBusMessage *msg, void *userdata);*/
static void handle_get_property_list(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
/*static void handle_move(DBusConnection *conn, DBusMessage *msg, void *userdata);
static void handle_kill(DBusConnection *conn, DBusMessage *msg, void *userdata);*/
enum property_handler_index {
PROPERTY_HANDLER_INDEX,
/* PROPERTY_HANDLER_DRIVER,
PROPERTY_HANDLER_OWNER_MODULE,
PROPERTY_HANDLER_CLIENT,
PROPERTY_HANDLER_DEVICE,
PROPERTY_HANDLER_SAMPLE_FORMAT,
PROPERTY_HANDLER_SAMPLE_RATE,
PROPERTY_HANDLER_CHANNELS,*/
PROPERTY_HANDLER_VOLUME,
PROPERTY_HANDLER_IS_MUTED,
/* PROPERTY_HANDLER_BUFFER_LATENCY,
PROPERTY_HANDLER_DEVICE_LATENCY,
PROPERTY_HANDLER_RESAMPLE_METHOD,*/
PROPERTY_HANDLER_PROPERTY_LIST,
PROPERTY_HANDLER_MAX
};
static pa_dbus_property_handler property_handlers[PROPERTY_HANDLER_MAX] = {
[PROPERTY_HANDLER_INDEX] = { .property_name = "Index", .type = "u", .get_cb = handle_get_index, .set_cb = NULL },
/* [PROPERTY_HANDLER_DRIVER] = { .property_name = "Driver", .type = "s", .get_cb = handle_get_driver, .set_cb = NULL },
[PROPERTY_HANDLER_OWNER_MODULE] = { .property_name = "OwnerModule", .type = "o", .get_cb = handle_get_owner_module, .set_cb = NULL },
[PROPERTY_HANDLER_CLIENT] = { .property_name = "Client", .type = "o", .get_cb = handle_get_client, .set_cb = NULL },
[PROPERTY_HANDLER_DEVICE] = { .property_name = "Device", .type = "o", .get_cb = handle_get_device, .set_cb = NULL },
[PROPERTY_HANDLER_SAMPLE_FORMAT] = { .property_name = "SampleFormat", .type = "u", .get_cb = handle_get_sample_format, .set_cb = NULL },
[PROPERTY_HANDLER_SAMPLE_RATE] = { .property_name = "SampleRate", .type = "u", .get_cb = handle_get_sample_rate, .set_cb = NULL },
[PROPERTY_HANDLER_CHANNELS] = { .property_name = "Channels", .type = "au", .get_cb = handle_get_channels, .set_cb = NULL },*/
[PROPERTY_HANDLER_VOLUME] = { .property_name = "Volume", .type = "au", .get_cb = handle_get_volume, .set_cb = handle_set_volume },
[PROPERTY_HANDLER_IS_MUTED] = { .property_name = "IsMuted", .type = "b", .get_cb = handle_get_is_muted, .set_cb = handle_set_is_muted },
/* [PROPERTY_HANDLER_BUFFER_LATENCY] = { .property_name = "BufferLatency", .type = "t", .get_cb = handle_get_buffer_latency, .set_cb = NULL },
[PROPERTY_HANDLER_DEVICE_LATENCY] = { .property_name = "DeviceLatency", .type = "t", .get_cb = handle_get_device_latency, .set_cb = NULL },
[PROPERTY_HANDLER_RESAMPLE_METHOD] = { .property_name = "ResampleMethod", .type = "s", .get_cb = handle_get_resample_method, .set_cb = NULL },*/
[PROPERTY_HANDLER_PROPERTY_LIST] = { .property_name = "PropertyList", .type = "a{say}", .get_cb = handle_get_property_list, .set_cb = NULL }
};
/*enum method_handler_index {
METHOD_HANDLER_MOVE,
METHOD_HANDLER_KILL,
METHOD_HANDLER_MAX
};
static pa_dbus_arg_info move_args[] = { { "device", "o", "in" } };
static pa_dbus_method_handler method_handlers[METHOD_HANDLER_MAX] = {
[METHOD_HANDLER_MOVE] = {
.method_name = "Move",
.arguments = move_args,
.n_arguments = sizeof(move_args) / sizeof(pa_dbus_arg_info),
.receive_cb = handle_move },
[METHOD_HANDLER_KILL] = {
.method_name = "Kill",
.arguments = NULL,
.n_arguments = 0,
.receive_cb = handle_kill }
};*/
enum signal_index {
/* SIGNAL_DEVICE_UPDATED,
SIGNAL_SAMPLE_RATE_UPDATED,*/
SIGNAL_VOLUME_UPDATED,
SIGNAL_MUTE_UPDATED,
SIGNAL_PROPERTY_LIST_UPDATED,
/* SIGNAL_STREAM_EVENT,*/
SIGNAL_MAX
};
/*static pa_dbus_arg_info device_updated_args[] = { { "device", "o", NULL } };
static pa_dbus_arg_info sample_rate_updated_args[] = { { "sample_rate", "u", NULL } };*/
static pa_dbus_arg_info volume_updated_args[] = { { "volume", "au", NULL } };
static pa_dbus_arg_info mute_updated_args[] = { { "muted", "b", NULL } };
static pa_dbus_arg_info property_list_updated_args[] = { { "property_list", "a{say}", NULL } };
/*static pa_dbus_arg_info stream_event_args[] = { { "name", "s", NULL }, { "property_list", "a{say}", NULL } };*/
static pa_dbus_signal_info signals[SIGNAL_MAX] = {
/* [SIGNAL_DEVICE_UPDATED] = { .name = "DeviceUpdated", .arguments = device_updated_args, .n_arguments = 1 },
[SIGNAL_SAMPLE_RATE_UPDATED] = { .name = "SampleRateUpdated", .arguments = sample_rate_updated_args, .n_arguments = 1 },*/
[SIGNAL_VOLUME_UPDATED] = { .name = "VolumeUpdated", .arguments = volume_updated_args, .n_arguments = 1 },
[SIGNAL_MUTE_UPDATED] = { .name = "MuteUpdated", .arguments = mute_updated_args, .n_arguments = 1 },
[SIGNAL_PROPERTY_LIST_UPDATED] = { .name = "PropertyListUpdated", .arguments = property_list_updated_args, .n_arguments = 1 }/*,
[SIGNAL_STREAM_EVENT] = { .name = "StreamEvent", .arguments = stream_event_args, .n_arguments = sizeof(stream_event_args) / sizeof(pa_dbus_arg_info) }*/
};
static pa_dbus_interface_info stream_interface_info = {
.name = PA_DBUSIFACE_STREAM_INTERFACE,
.method_handlers = /*method_handlers*/ NULL,
.n_method_handlers = /*METHOD_HANDLER_MAX*/ 0,
.property_handlers = property_handlers,
.n_property_handlers = PROPERTY_HANDLER_MAX,
.get_all_properties_cb = handle_get_all,
.signals = signals,
.n_signals = SIGNAL_MAX
};
static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata) {
pa_dbusiface_stream *s = userdata;
dbus_uint32_t idx;
pa_assert(conn);
pa_assert(msg);
pa_assert(s);
idx = (s->type == STREAM_TYPE_PLAYBACK) ? s->sink_input->index : s->source_output->index;
pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &idx);
}
static void handle_get_volume(DBusConnection *conn, DBusMessage *msg, void *userdata) {
pa_dbusiface_stream *s = userdata;
dbus_uint32_t volume[PA_CHANNELS_MAX];
unsigned i = 0;
pa_assert(conn);
pa_assert(msg);
pa_assert(s);
if (s->type == STREAM_TYPE_RECORD) {
pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "Record streams don't have volume.");
return;
}
for (i = 0; i < s->volume.channels; ++i)
volume[i] = s->volume.values[i];
pa_dbus_send_basic_array_variant_reply(conn, msg, DBUS_TYPE_UINT32, volume, s->volume.channels);
}
static void handle_set_volume(DBusConnection *conn, DBusMessage *msg, void *userdata) {
pa_dbusiface_stream *s = userdata;
unsigned stream_channels = 0;
dbus_uint32_t *volume = NULL;
unsigned n_volume_entries = 0;
pa_cvolume new_vol;
unsigned i = 0;
pa_assert(conn);
pa_assert(msg);
pa_assert(s);
if (s->type == STREAM_TYPE_RECORD) {
pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "Record streams don't have volume.");
return;
}
pa_cvolume_init(&new_vol);
stream_channels = s->sink_input->channel_map.channels;
new_vol.channels = stream_channels;
if (pa_dbus_get_fixed_array_set_property_arg(conn, msg, DBUS_TYPE_UINT32, &volume, &n_volume_entries) < 0)
return;
if (n_volume_entries != stream_channels) {
pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Expected %u volume entries, got %u.", stream_channels, n_volume_entries);
return;
}
for (i = 0; i < n_volume_entries; ++i) {
if (volume[i] > PA_VOLUME_MAX) {
pa_dbus_send_error(conn, msg, DBUS_ERROR_INVALID_ARGS, "Too large volume value: %u", volume[i]);
return;
}
new_vol.values[i] = volume[i];
}
pa_sink_input_set_volume(s->sink_input, &new_vol, TRUE, TRUE);
pa_dbus_send_empty_reply(conn, msg);
}
static void handle_get_is_muted(DBusConnection *conn, DBusMessage *msg, void *userdata) {
pa_dbusiface_stream *s = userdata;
pa_assert(conn);
pa_assert(msg);
pa_assert(s);
if (s->type == STREAM_TYPE_RECORD) {
pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "Record streams don't have mute.");
return;
}
pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_BOOLEAN, &s->is_muted);
}
static void handle_set_is_muted(DBusConnection *conn, DBusMessage *msg, void *userdata) {
pa_dbusiface_stream *s = userdata;
dbus_bool_t is_muted = FALSE;
pa_assert(conn);
pa_assert(msg);
pa_assert(s);
if (pa_dbus_get_basic_set_property_arg(conn, msg, DBUS_TYPE_BOOLEAN, &is_muted) < 0)
return;
if (s->type == STREAM_TYPE_RECORD) {
pa_dbus_send_error(conn, msg, PA_DBUS_ERROR_NO_SUCH_PROPERTY, "Record streams don't have mute.");
return;
}
pa_sink_input_set_mute(s->sink_input, is_muted, TRUE);
pa_dbus_send_empty_reply(conn, msg);
};
static void handle_get_property_list(DBusConnection *conn, DBusMessage *msg, void *userdata) {
pa_dbusiface_stream *s = userdata;
pa_assert(conn);
pa_assert(msg);
pa_assert(s);
pa_dbus_send_proplist_variant_reply(conn, msg, s->proplist);
}
static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
pa_dbusiface_stream *s = userdata;
DBusMessage *reply = NULL;
DBusMessageIter msg_iter;
DBusMessageIter dict_iter;
dbus_uint32_t idx;
dbus_uint32_t volume[PA_CHANNELS_MAX];
unsigned i = 0;
pa_assert(conn);
pa_assert(msg);
pa_assert(s);
idx = (s->type == STREAM_TYPE_PLAYBACK) ? s->sink_input->index : s->source_output->index;
if (s->type == STREAM_TYPE_PLAYBACK) {
for (i = 0; i < s->volume.channels; ++i)
volume[i] = s->volume.values[i];
}
pa_assert_se((reply = dbus_message_new_method_return(msg)));
dbus_message_iter_init_append(reply, &msg_iter);
pa_assert_se(dbus_message_iter_open_container(&msg_iter, DBUS_TYPE_ARRAY, "{sv}", &dict_iter));
pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_INDEX].property_name, DBUS_TYPE_UINT32, &idx);
if (s->type == STREAM_TYPE_PLAYBACK) {
pa_dbus_append_basic_array_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_VOLUME].property_name, DBUS_TYPE_UINT32, volume, s->volume.channels);
pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_IS_MUTED].property_name, DBUS_TYPE_BOOLEAN, &s->is_muted);
}
pa_dbus_append_proplist_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PROPERTY_LIST].property_name, s->proplist);
pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
pa_assert_se(dbus_connection_send(conn, reply, NULL));
dbus_message_unref(reply);
}
static void subscription_cb(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata) {
pa_dbusiface_stream *s = userdata;
pa_assert(c);
pa_assert(s);
if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_CHANGE) {
DBusMessage *signal = NULL;
pa_proplist *new_proplist = NULL;
unsigned i = 0;
pa_assert(((s->type == STREAM_TYPE_PLAYBACK)
&& ((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SINK_INPUT))
|| ((s->type == STREAM_TYPE_RECORD)
&& ((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT)));
if (s->type == STREAM_TYPE_PLAYBACK) {
pa_cvolume new_volume;
pa_bool_t new_muted = FALSE;
pa_sink_input_get_volume(s->sink_input, &new_volume, TRUE);
if (!pa_cvolume_equal(&s->volume, &new_volume)) {
dbus_uint32_t volume[PA_CHANNELS_MAX];
dbus_uint32_t *volume_ptr = volume;
s->volume = new_volume;
for (i = 0; i < s->volume.channels; ++i)
volume[i] = s->volume.values[i];
pa_assert_se(signal = dbus_message_new_signal(s->path,
PA_DBUSIFACE_STREAM_INTERFACE,
signals[SIGNAL_VOLUME_UPDATED].name));
pa_assert_se(dbus_message_append_args(signal,
DBUS_TYPE_ARRAY, DBUS_TYPE_UINT32, &volume_ptr, s->volume.channels,
DBUS_TYPE_INVALID));
pa_dbus_protocol_send_signal(s->dbus_protocol, signal);
dbus_message_unref(signal);
signal = NULL;
}
new_muted = pa_sink_input_get_mute(s->sink_input);
if (s->is_muted != new_muted) {
s->is_muted = new_muted;
pa_assert_se(signal = dbus_message_new_signal(s->path,
PA_DBUSIFACE_STREAM_INTERFACE,
signals[SIGNAL_MUTE_UPDATED].name));
pa_assert_se(dbus_message_append_args(signal, DBUS_TYPE_BOOLEAN, &s->is_muted, DBUS_TYPE_INVALID));
pa_dbus_protocol_send_signal(s->dbus_protocol, signal);
dbus_message_unref(signal);
signal = NULL;
}
}
new_proplist = (s->type == STREAM_TYPE_PLAYBACK) ? s->sink_input->proplist : s->source_output->proplist;
if (!pa_proplist_equal(s->proplist, new_proplist)) {
DBusMessageIter msg_iter;
pa_proplist_update(s->proplist, PA_UPDATE_SET, new_proplist);
pa_assert_se(signal = dbus_message_new_signal(s->path,
PA_DBUSIFACE_STREAM_INTERFACE,
signals[SIGNAL_PROPERTY_LIST_UPDATED].name));
dbus_message_iter_init_append(signal, &msg_iter);
pa_dbus_append_proplist(&msg_iter, s->proplist);
pa_dbus_protocol_send_signal(s->dbus_protocol, signal);
dbus_message_unref(signal);
signal = NULL;
}
}
}
pa_dbusiface_stream *pa_dbusiface_stream_new_playback(pa_dbusiface_core *core, pa_sink_input *sink_input) {
pa_dbusiface_stream *s;
@ -55,6 +418,13 @@ pa_dbusiface_stream *pa_dbusiface_stream_new_playback(pa_dbusiface_core *core, p
s->sink_input = pa_sink_input_ref(sink_input);
s->type = STREAM_TYPE_PLAYBACK;
s->path = pa_sprintf_malloc("%s/%s%u", PA_DBUS_CORE_OBJECT_PATH, PLAYBACK_OBJECT_NAME, sink_input->index);
pa_sink_input_get_volume(sink_input, &s->volume, TRUE);
s->is_muted = pa_sink_input_get_mute(sink_input);
s->proplist = pa_proplist_copy(sink_input->proplist);
s->dbus_protocol = pa_dbus_protocol_get(sink_input->core);
s->subscription = pa_subscription_new(sink_input->core, PA_SUBSCRIPTION_MASK_SINK_INPUT, subscription_cb, s);
pa_assert_se(pa_dbus_protocol_add_interface(s->dbus_protocol, s->path, &stream_interface_info, s) >= 0);
return s;
}
@ -69,6 +439,13 @@ pa_dbusiface_stream *pa_dbusiface_stream_new_record(pa_dbusiface_core *core, pa_
s->source_output = pa_source_output_ref(source_output);
s->type = STREAM_TYPE_RECORD;
s->path = pa_sprintf_malloc("%s/%s%u", PA_DBUS_CORE_OBJECT_PATH, RECORD_OBJECT_NAME, source_output->index);
pa_cvolume_init(&s->volume);
s->is_muted = FALSE;
s->proplist = pa_proplist_copy(source_output->proplist);
s->dbus_protocol = pa_dbus_protocol_get(source_output->core);
s->subscription = pa_subscription_new(source_output->core, PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT, subscription_cb, s);
pa_assert_se(pa_dbus_protocol_add_interface(s->dbus_protocol, s->path, &stream_interface_info, s) >= 0);
return s;
}
@ -76,11 +453,17 @@ pa_dbusiface_stream *pa_dbusiface_stream_new_record(pa_dbusiface_core *core, pa_
void pa_dbusiface_stream_free(pa_dbusiface_stream *s) {
pa_assert(s);
pa_assert_se(pa_dbus_protocol_remove_interface(s->dbus_protocol, s->path, stream_interface_info.name) >= 0);
if (s->type == STREAM_TYPE_PLAYBACK)
pa_sink_input_unref(s->sink_input);
else
pa_source_output_unref(s->source_output);
pa_proplist_free(s->proplist);
pa_dbus_protocol_unref(s->dbus_protocol);
pa_subscription_free(s->subscription);
pa_xfree(s->path);
pa_xfree(s);
}

3
src/modules/dbus/iface-stream.h
View file

@ -28,11 +28,14 @@
* documentation.
*/
#include <pulsecore/protocol-dbus.h>
#include <pulsecore/sink-input.h>
#include <pulsecore/source-output.h>
#include "iface-core.h"
#define PA_DBUSIFACE_STREAM_INTERFACE PA_DBUS_CORE_INTERFACE ".Stream"
typedef struct pa_dbusiface_stream pa_dbusiface_stream;
pa_dbusiface_stream *pa_dbusiface_stream_new_playback(pa_dbusiface_core *core, pa_sink_input *sink_input);