Imported the "pulseaudio" plug-in from DeforaOS Phone

Makefile

@@ -32,6 +32,10 @@ dist:
 		$(PACKAGE)-$(VERSION)/src/Panel/project.conf \
 		$(PACKAGE)-$(VERSION)/src/Panel/applets/keyboard.c \
 		$(PACKAGE)-$(VERSION)/src/Panel/applets/project.conf \
+		$(PACKAGE)-$(VERSION)/src/Phone/Makefile \
+		$(PACKAGE)-$(VERSION)/src/Phone/project.conf \
+		$(PACKAGE)-$(VERSION)/src/Phone/plugins/pulseaudio.c \
+		$(PACKAGE)-$(VERSION)/src/Phone/plugins/project.conf \
 		$(PACKAGE)-$(VERSION)/Makefile \
 		$(PACKAGE)-$(VERSION)/project.conf
 	$(RM) -- $(PACKAGE)-$(VERSION)

src/Makefile

@@ -1,4 +1,4 @@
-SUBDIRS	= Panel
+SUBDIRS	= Panel Phone
 
 
 all: subdirs

src/Phone/Makefile

@@ -0,0 +1,21 @@
+SUBDIRS	= plugins
+
+
+all: subdirs
+
+subdirs:
+	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE)) || exit; done
+
+clean:
+	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE) clean) || exit; done
+
+distclean:
+	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE) distclean) || exit; done
+
+install:
+	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE) install) || exit; done
+
+uninstall:
+	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE) uninstall) || exit; done
+
+.PHONY: all subdirs clean distclean install uninstall

src/Phone/plugins/Makefile

@@ -0,0 +1,44 @@
+TARGETS	= pulseaudio.so
+PREFIX	= /usr/local
+DESTDIR	=
+LIBDIR	= $(PREFIX)/lib
+CC	= cc
+CPPFLAGSF=
+CPPFLAGS=
+CFLAGSF	= -W `pkg-config --cflags libSystem gtk+-2.0`
+CFLAGS	= -Wall -g -O2 -pedantic -fPIC
+AR	= ar
+RANLIB	= ranlib
+CCSHARED= $(CC) -shared
+RM	= rm -f
+LN	= ln -f
+MKDIR	= mkdir -m 0755 -p
+INSTALL	= install
+
+
+all: $(TARGETS)
+
+pulseaudio_OBJS = pulseaudio.o
+pulseaudio_CFLAGS = $(CPPFLAGSF) $(CPPFLAGS) $(CFLAGSF) $(CFLAGS) `pkg-config --cflags libpulse`
+pulseaudio_LDFLAGS = $(LDFLAGSF) $(LDFLAGS) `pkg-config --libs libpulse`
+
+pulseaudio.so: $(pulseaudio_OBJS)
+	$(CCSHARED) -o pulseaudio.so $(pulseaudio_OBJS) $(pulseaudio_LDFLAGS)
+
+pulseaudio.o: pulseaudio.c
+	$(CC) $(pulseaudio_CFLAGS) -c pulseaudio.c
+
+clean:
+	$(RM) -- $(pulseaudio_OBJS)
+
+distclean: clean
+	$(RM) -- $(TARGETS)
+
+install: $(TARGETS)
+	$(MKDIR) $(DESTDIR)$(LIBDIR)/Phone/plugins
+	$(INSTALL) -m 0644 pulseaudio.so $(DESTDIR)$(LIBDIR)/Phone/plugins/pulseaudio.so
+
+uninstall:
+	$(RM) -- $(DESTDIR)$(LIBDIR)/Phone/plugins/pulseaudio.so
+
+.PHONY: all clean distclean install uninstall

src/Phone/plugins/project.conf

@@ -0,0 +1,10 @@
+targets=pulseaudio
+cflags_force=-W `pkg-config --cflags libSystem gtk+-2.0`
+cflags=-Wall -g -O2 -pedantic -fPIC
+
+[pulseaudio]
+type=plugin
+sources=pulseaudio.c
+cflags=`pkg-config --cflags libpulse`
+ldflags=`pkg-config --libs libpulse`
+install=$(LIBDIR)/Phone/plugins

src/Phone/plugins/pulseaudio.c

@@ -0,0 +1,164 @@
+/* $Id$ */
+/* Copyright (c) 2013-2014 Pierre Pronchery <khorben@defora.org> */
+/* This file is part of DeforaOS Desktop Phone */
+/* This program 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, version 3 of the License.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>. */
+/* TODO:
+ * - optionally loop the audio sample until told to stop
+ * - implement setting the volume (for headset/loudspeaker/audio...) */
+
+
+
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <libintl.h>
+#include <gtk/gtk.h>
+#include <pulse/pulseaudio.h>
+#include <System.h>
+#include <Desktop/Phone.h>
+#define max(a, b) ((a) > (b) ? (a) : (b))
+
+#ifndef PACKAGE
+# define PACKAGE "Phone"
+#endif
+
+
+/* Pulseaudio */
+/* private */
+/* types */
+typedef struct _PhonePlugin
+{
+	PhonePluginHelper * helper;
+
+	guint source;
+
+	pa_threaded_mainloop * pam;
+	pa_context * pac;
+	pa_operation * pao;
+} Pulseaudio;
+
+/* prototypes */
+/* plug-in */
+static Pulseaudio * _pa_init(PhonePluginHelper * helper);
+static void _pa_destroy(Pulseaudio * pa);
+static int _pa_event(Pulseaudio * pa, PhoneEvent * event);
+
+/* useful */
+static void _pa_play(Pulseaudio * pa, char const * sound);
+
+
+/* public */
+/* variables */
+PhonePluginDefinition plugin =
+{
+	"Pulseaudio",
+	"system-config-users",
+	NULL,
+	_pa_init,
+	_pa_destroy,
+	_pa_event,
+	NULL
+};
+
+
+/* private */
+/* functions */
+/* pa_init */
+static Pulseaudio * _pa_init(PhonePluginHelper * helper)
+{
+	Pulseaudio * pa;
+	pa_mainloop_api * mapi = NULL;
+
+#ifdef DEBUG
+	fprintf(stderr, "DEBUG: %s()\n", __func__);
+#endif
+	if((pa = object_new(sizeof(*pa))) == NULL)
+		return NULL;
+	pa->helper = helper;
+	pa->source = 0;
+	pa->pam = pa_threaded_mainloop_new();
+	pa->pac = NULL;
+	pa->pao = NULL;
+	if(pa->pam == NULL)
+	{
+		_pa_destroy(pa);
+		error_set_code(1, "%s", "Could not initialize PulseAudio");
+		return NULL;
+	}
+	mapi = pa_threaded_mainloop_get_api(pa->pam);
+	/* XXX update the context name */
+	if((pa->pac = pa_context_new(mapi, PACKAGE)) == NULL)
+	{
+		_pa_destroy(pa);
+		error_set_code(1, "%s", "Could not initialize PulseAudio");
+		return NULL;
+	}
+	pa_context_connect(pa->pac, NULL, 0, NULL);
+	pa_threaded_mainloop_start(pa->pam);
+	return pa;
+}
+
+
+/* pa_destroy */
+static void _pa_destroy(Pulseaudio * pa)
+{
+#ifdef DEBUG
+	fprintf(stderr, "DEBUG: %s()\n", __func__);
+#endif
+	if(pa->source != 0)
+		g_source_remove(pa->source);
+	if(pa->pao != NULL)
+		pa_operation_cancel(pa->pao);
+	if(pa->pac != NULL)
+		pa_context_unref(pa->pac);
+	pa_threaded_mainloop_free(pa->pam);
+	object_delete(pa);
+}
+
+
+/* pa_event */
+static int _pa_event(Pulseaudio * pa, PhoneEvent * event)
+{
+	switch(event->type)
+	{
+		case PHONE_EVENT_TYPE_AUDIO_PLAY:
+			_pa_play(pa, event->audio_play.sample);
+			break;
+		case PHONE_EVENT_TYPE_AUDIO_STOP:
+			_pa_play(pa, NULL);
+			break;
+		default: /* not relevant */
+			break;
+	}
+	return 0;
+}
+
+
+/* pa_play */
+static void _pa_play(Pulseaudio * pa, char const * sample)
+{
+#ifdef DEBUG
+	fprintf(stderr, "DEBUG: %s(\"%s\")\n", __func__, sample);
+#endif
+	if(sample == NULL)
+	{
+		/* cancel the current sample */
+		if(pa->pao != NULL)
+			pa_operation_cancel(pa->pao);
+		pa->pao = NULL;
+	}
+	else if(pa->pao == NULL)
+		/* FIXME apply the proper volume */
+		pa->pao = pa_context_play_sample(pa->pac, sample, NULL,
+				PA_VOLUME_NORM, NULL, NULL);
+}

src/Phone/project.conf

@@ -0,0 +1,2 @@
+subdirs=plugins
+dist=Makefile

src/project.conf

@@ -1,2 +1,2 @@
-subdirs=Panel
+subdirs=Panel,Phone
 dist=Makefile