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/***
This file is part of pavucontrol.
Copyright 2006-2008 Lennart Poettering
Copyright 2008 Sjoerd Simons <sjoerd@luon.net>
pavucontrol is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
pavucontrol 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 General Public License
along with pavucontrol. If not, see <http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <pulse/pulseaudio.h>
#include <pulse/glib-mainloop.h>
#include <pulse/ext-stream-restore.h>
#include <pulse/ext-device-manager.h>
#include <canberra-gtk.h>
#include "pavucontrol.h"
#include "i18n.h"
#include "minimalstreamwidget.h"
#include "channelwidget.h"
#include "streamwidget.h"
#include "cardwidget.h"
#include "sinkwidget.h"
#include "sourcewidget.h"
#include "sinkinputwidget.h"
#include "sourceoutputwidget.h"
#include "rolewidget.h"
#include "mainwindow.h"
static pa_context* context = NULL;
static pa_mainloop_api* api = NULL;
static int n_outstanding = 0;
void show_error(const char *txt) {
char buf[256];
snprintf(buf, sizeof(buf), "%s: %s", txt, pa_strerror(pa_context_errno(context)));
Gtk::MessageDialog dialog(buf, false, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_CLOSE, true);
dialog.run();
Gtk::Main::quit();
}
static void dec_outstanding(MainWindow *w) {
if (n_outstanding <= 0)
return;
if (--n_outstanding <= 0) {
w->get_window()->set_cursor();
w->setConnectionState(true);
}
}
void card_cb(pa_context *, const pa_card_info *i, int eol, void *userdata) {
MainWindow *w = static_cast<MainWindow*>(userdata);
if (eol < 0) {
if (pa_context_errno(context) == PA_ERR_NOENTITY)
return;
show_error(_("Card callback failure"));
return;
}
if (eol > 0) {
dec_outstanding(w);
return;
}
w->updateCard(*i);
}
void sink_cb(pa_context *, const pa_sink_info *i, int eol, void *userdata) {
MainWindow *w = static_cast<MainWindow*>(userdata);
if (eol < 0) {
if (pa_context_errno(context) == PA_ERR_NOENTITY)
return;
show_error(_("Sink callback failure"));
return;
}
if (eol > 0) {
dec_outstanding(w);
return;
}
w->updateSink(*i);
}
void source_cb(pa_context *, const pa_source_info *i, int eol, void *userdata) {
MainWindow *w = static_cast<MainWindow*>(userdata);
if (eol < 0) {
if (pa_context_errno(context) == PA_ERR_NOENTITY)
return;
show_error(_("Source callback failure"));
return;
}
if (eol > 0) {
dec_outstanding(w);
return;
}
w->updateSource(*i);
}
void sink_input_cb(pa_context *, const pa_sink_input_info *i, int eol, void *userdata) {
MainWindow *w = static_cast<MainWindow*>(userdata);
if (eol < 0) {
if (pa_context_errno(context) == PA_ERR_NOENTITY)
return;
show_error(_("Sink input callback failure"));
return;
}
if (eol > 0) {
dec_outstanding(w);
return;
}
w->updateSinkInput(*i);
}
void source_output_cb(pa_context *, const pa_source_output_info *i, int eol, void *userdata) {
MainWindow *w = static_cast<MainWindow*>(userdata);
if (eol < 0) {
if (pa_context_errno(context) == PA_ERR_NOENTITY)
return;
show_error(_("Source output callback failure"));
return;
}
if (eol > 0) {
if (n_outstanding > 0) {
/* At this point all notebook pages have been populated, so
* let's open one that isn't empty */
if (w->sinkInputWidgets.size() > 0)
w->notebook->set_current_page(0);
else if (w->sourceOutputWidgets.size() > 0)
w->notebook->set_current_page(1);
else if (w->sourceWidgets.size() > 0 && w->sinkWidgets.size() == 0)
w->notebook->set_current_page(3);
else
w->notebook->set_current_page(2);
}
dec_outstanding(w);
return;
}
w->updateSourceOutput(*i);
}
void client_cb(pa_context *, const pa_client_info *i, int eol, void *userdata) {
MainWindow *w = static_cast<MainWindow*>(userdata);
if (eol < 0) {
if (pa_context_errno(context) == PA_ERR_NOENTITY)
return;
show_error(_("Client callback failure"));
return;
}
if (eol > 0) {
dec_outstanding(w);
return;
}
w->updateClient(*i);
}
void server_info_cb(pa_context *, const pa_server_info *i, void *userdata) {
MainWindow *w = static_cast<MainWindow*>(userdata);
if (!i) {
show_error(_("Server info callback failure"));
return;
}
w->updateServer(*i);
dec_outstanding(w);
}
void ext_stream_restore_read_cb(
pa_context *,
const pa_ext_stream_restore_info *i,
int eol,
void *userdata) {
MainWindow *w = static_cast<MainWindow*>(userdata);
if (eol < 0) {
dec_outstanding(w);
g_debug(_("Failed to initialize stream_restore extension: %s"), pa_strerror(pa_context_errno(context)));
w->deleteEventRoleWidget();
return;
}
if (eol > 0) {
dec_outstanding(w);
return;
}
w->updateRole(*i);
}
static void ext_stream_restore_subscribe_cb(pa_context *c, void *userdata) {
MainWindow *w = static_cast<MainWindow*>(userdata);
pa_operation *o;
if (!(o = pa_ext_stream_restore_read(c, ext_stream_restore_read_cb, w))) {
show_error(_("pa_ext_stream_restore_read() failed"));
return;
}
pa_operation_unref(o);
}
void ext_device_manager_read_cb(
pa_context *,
const pa_ext_device_manager_info *,
int eol,
void *userdata) {
MainWindow *w = static_cast<MainWindow*>(userdata);
if (eol < 0) {
dec_outstanding(w);
g_debug(_("Failed to initialize device manager extension: %s"), pa_strerror(pa_context_errno(context)));
return;
}
w->canRenameDevices = true;
if (eol > 0) {
dec_outstanding(w);
return;
}
/* Do something with a widget when this part is written */
}
static void ext_device_manager_subscribe_cb(pa_context *c, void *userdata) {
MainWindow *w = static_cast<MainWindow*>(userdata);
pa_operation *o;
if (!(o = pa_ext_device_manager_read(c, ext_device_manager_read_cb, w))) {
show_error(_("pa_ext_device_manager_read() failed"));
return;
}
pa_operation_unref(o);
}
void subscribe_cb(pa_context *c, pa_subscription_event_type_t t, uint32_t index, void *userdata) {
MainWindow *w = static_cast<MainWindow*>(userdata);
switch (t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) {
case PA_SUBSCRIPTION_EVENT_SINK:
if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE)
w->removeSink(index);
else {
pa_operation *o;
if (!(o = pa_context_get_sink_info_by_index(c, index, sink_cb, w))) {
show_error(_("pa_context_get_sink_info_by_index() failed"));
return;
}
pa_operation_unref(o);
}
break;
case PA_SUBSCRIPTION_EVENT_SOURCE:
if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE)
w->removeSource(index);
else {
pa_operation *o;
if (!(o = pa_context_get_source_info_by_index(c, index, source_cb, w))) {
show_error(_("pa_context_get_source_info_by_index() failed"));
return;
}
pa_operation_unref(o);
}
break;
case PA_SUBSCRIPTION_EVENT_SINK_INPUT:
if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE)
w->removeSinkInput(index);
else {
pa_operation *o;
if (!(o = pa_context_get_sink_input_info(c, index, sink_input_cb, w))) {
show_error(_("pa_context_get_sink_input_info() failed"));
return;
}
pa_operation_unref(o);
}
break;
case PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT:
if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE)
w->removeSourceOutput(index);
else {
pa_operation *o;
if (!(o = pa_context_get_source_output_info(c, index, source_output_cb, w))) {
show_error(_("pa_context_get_sink_input_info() failed"));
return;
}
pa_operation_unref(o);
}
break;
case PA_SUBSCRIPTION_EVENT_CLIENT:
if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE)
w->removeClient(index);
else {
pa_operation *o;
if (!(o = pa_context_get_client_info(c, index, client_cb, w))) {
show_error(_("pa_context_get_client_info() failed"));
return;
}
pa_operation_unref(o);
}
break;
case PA_SUBSCRIPTION_EVENT_SERVER: {
pa_operation *o;
if (!(o = pa_context_get_server_info(c, server_info_cb, w))) {
show_error(_("pa_context_get_server_info() failed"));
return;
}
pa_operation_unref(o);
}
break;
case PA_SUBSCRIPTION_EVENT_CARD:
if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE)
w->removeCard(index);
else {
pa_operation *o;
if (!(o = pa_context_get_card_info_by_index(c, index, card_cb, w))) {
show_error(_("pa_context_get_card_info_by_index() failed"));
return;
}
pa_operation_unref(o);
}
break;
}
}
/* Forward Declaration */
gboolean connect_to_pulse(gpointer userdata);
void context_state_callback(pa_context *c, void *userdata) {
MainWindow *w = static_cast<MainWindow*>(userdata);
g_assert(c);
switch (pa_context_get_state(c)) {
case PA_CONTEXT_UNCONNECTED:
case PA_CONTEXT_CONNECTING:
case PA_CONTEXT_AUTHORIZING:
case PA_CONTEXT_SETTING_NAME:
break;
case PA_CONTEXT_READY: {
pa_operation *o;
/* Create event widget immediately so it's first in the list */
w->createEventRoleWidget();
pa_context_set_subscribe_callback(c, subscribe_cb, w);
if (!(o = pa_context_subscribe(c, (pa_subscription_mask_t)
(PA_SUBSCRIPTION_MASK_SINK|
PA_SUBSCRIPTION_MASK_SOURCE|
PA_SUBSCRIPTION_MASK_SINK_INPUT|
PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT|
PA_SUBSCRIPTION_MASK_CLIENT|
PA_SUBSCRIPTION_MASK_SERVER|
PA_SUBSCRIPTION_MASK_CARD), NULL, NULL))) {
show_error(_("pa_context_subscribe() failed"));
return;
}
pa_operation_unref(o);
/* Keep track of the outstanding callbacks for UI tweaks */
n_outstanding = 0;
if (!(o = pa_context_get_server_info(c, server_info_cb, w))) {
show_error(_("pa_context_get_server_info() failed"));
return;
}
pa_operation_unref(o);
n_outstanding++;
if (!(o = pa_context_get_client_info_list(c, client_cb, w))) {
show_error(_("pa_context_client_info_list() failed"));
return;
}
pa_operation_unref(o);
n_outstanding++;
if (!(o = pa_context_get_card_info_list(c, card_cb, w))) {
show_error(_("pa_context_get_card_info_list() failed"));
return;
}
pa_operation_unref(o);
n_outstanding++;
if (!(o = pa_context_get_sink_info_list(c, sink_cb, w))) {
show_error(_("pa_context_get_sink_info_list() failed"));
return;
}
pa_operation_unref(o);
n_outstanding++;
if (!(o = pa_context_get_source_info_list(c, source_cb, w))) {
show_error(_("pa_context_get_source_info_list() failed"));
return;
}
pa_operation_unref(o);
n_outstanding++;
if (!(o = pa_context_get_sink_input_info_list(c, sink_input_cb, w))) {
show_error(_("pa_context_get_sink_input_info_list() failed"));
return;
}
pa_operation_unref(o);
n_outstanding++;
if (!(o = pa_context_get_source_output_info_list(c, source_output_cb, w))) {
show_error(_("pa_context_get_source_output_info_list() failed"));
return;
}
pa_operation_unref(o);
n_outstanding++;
/* These calls are not always supported */
if ((o = pa_ext_stream_restore_read(c, ext_stream_restore_read_cb, w))) {
pa_operation_unref(o);
n_outstanding++;
pa_ext_stream_restore_set_subscribe_cb(c, ext_stream_restore_subscribe_cb, w);
if ((o = pa_ext_stream_restore_subscribe(c, 1, NULL, NULL)))
pa_operation_unref(o);
} else
g_debug(_("Failed to initialize stream_restore extension: %s"), pa_strerror(pa_context_errno(context)));
if ((o = pa_ext_device_manager_read(c, ext_device_manager_read_cb, w))) {
pa_operation_unref(o);
n_outstanding++;
pa_ext_device_manager_set_subscribe_cb(c, ext_device_manager_subscribe_cb, w);
if ((o = pa_ext_device_manager_subscribe(c, 1, NULL, NULL)))
pa_operation_unref(o);
} else
g_debug(_("Failed to initialize device manager extension: %s"), pa_strerror(pa_context_errno(context)));
break;
}
case PA_CONTEXT_FAILED:
g_debug(_("Connection failed, attempting reconnect"));
w->setConnectionState(false);
w->removeAllWidgets();
w->updateDeviceVisibility();
pa_context_unref(context);
context = NULL;
g_timeout_add_seconds(1, connect_to_pulse, w);
return;
case PA_CONTEXT_TERMINATED:
default:
Gtk::Main::quit();
return;
}
}
pa_context* get_context(void) {
return context;
}
gboolean connect_to_pulse(gpointer userdata) {
MainWindow *w = static_cast<MainWindow*>(userdata);
if (context)
return false;
pa_proplist *proplist = pa_proplist_new();
pa_proplist_sets(proplist, PA_PROP_APPLICATION_NAME, _("PulseAudio Volume Control"));
pa_proplist_sets(proplist, PA_PROP_APPLICATION_ID, "org.PulseAudio.pavucontrol");
pa_proplist_sets(proplist, PA_PROP_APPLICATION_ICON_NAME, "audio-card");
pa_proplist_sets(proplist, PA_PROP_APPLICATION_VERSION, PACKAGE_VERSION);
context = pa_context_new_with_proplist(api, NULL, proplist);
g_assert(context);
pa_proplist_free(proplist);
pa_context_set_state_callback(context, context_state_callback, w);
if (pa_context_connect(context, NULL, PA_CONTEXT_NOFAIL, NULL) < 0) {
show_error(_("Fatal Error: Unable to connect context"));
Gtk::Main::quit();
return false;
}
return false;
}
int main(int argc, char *argv[]) {
/* Initialize the i18n stuff */
bindtextdomain(GETTEXT_PACKAGE, LOCALEDIR);
bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
textdomain(GETTEXT_PACKAGE);
signal(SIGPIPE, SIG_IGN);
Gtk::Main kit(argc, argv);
ca_context_set_driver(ca_gtk_context_get(), "pulse");
MainWindow* mainWindow = MainWindow::create();
pa_glib_mainloop *m = pa_glib_mainloop_new(g_main_context_default());
g_assert(m);
api = pa_glib_mainloop_get_api(m);
g_assert(api);
connect_to_pulse(mainWindow);
Gtk::Main::run(*mainWindow);
delete mainWindow;
if (context)
pa_context_unref(context);
pa_glib_mainloop_free(m);
}
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