Importing EDE2 code to svn... NOTE: It doesn't compile! Stuff thats broken: edewm, eworkpanel, eiconman,

emenueditor

edewm/Sound.cpp

@@ -0,0 +1,173 @@
+/*
+ * $Id: Sound.cpp 1697 2006-07-21 15:01:05Z karijes $
+ *
+ * Edewm, window manager
+ * Part of Equinox Desktop Environment (EDE).
+ * Copyright (c) 2000-2006 EDE Authors.
+ *
+ * This program is licenced under terms of the
+ * GNU General Public Licence version 2 or newer.
+ * See COPYING for details.
+ */
+
+#include "Sound.h"
+#include "debug.h"
+
+#ifdef SOUND
+	#include <vorbis/vorbisfile.h>
+	#include <vorbis/codec.h>
+#endif
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>	// free
+#include <string.h>	// strdup
+
+SoundSystem::SoundSystem()
+{
+#ifdef SOUND
+	device = NULL;
+	inited = false;
+	down = false;
+#endif
+}
+
+SoundSystem::~SoundSystem()
+{
+#ifdef SOUND
+	if(!down)
+		shutdown();		// just in case
+#endif
+}
+
+void SoundSystem::init(void)
+{
+#ifdef SOUND
+	EPRINTF("Loading sound system\n");
+
+	ao_initialize();
+	default_driver = ao_default_driver_id();
+
+	for(int i = 0; i < KNOWN_SOUNDS; i++)
+	{
+		event_sound[i].allocated = false;
+		event_sound[i].loaded = false;
+		event_sound[i].file_to_play = NULL;
+	}
+
+	inited = true;
+#endif
+}
+
+void SoundSystem::shutdown(void)
+{
+#ifdef SOUND
+	EPRINTF("Shutting down sound system\n");
+
+	ao_shutdown();
+
+	for(int i = 0; i < KNOWN_SOUNDS; i++)
+	{
+		if(event_sound[i].allocated)
+			free(event_sound[i].file_to_play);
+	}
+
+	down = true;
+#endif
+}
+
+void SoundSystem::add(short event, const char* file)
+{
+#ifdef SOUND
+	assert(event < KNOWN_SOUNDS);
+	if(event_sound[event].allocated)
+		free(event_sound[event].file_to_play);
+
+	event_sound[event].file_to_play = strdup(file);
+	event_sound[event].allocated = true;
+	event_sound[event].loaded = true;
+#endif
+}
+
+int SoundSystem::play(short event)
+{
+#ifdef SOUND
+	assert(event < KNOWN_SOUNDS);
+	if(event_sound[event].loaded)
+		play(event_sound[event].file_to_play);
+	else
+		ELOG("Skipping this sound, no file for it");
+#endif
+	return 1;
+}
+
+int SoundSystem::play(const char* fname)
+{
+#ifdef SOUND
+	assert(inited != false);
+	assert(fname != NULL);
+
+	FILE* f = fopen(fname, "rb");
+	if(f == NULL)
+	{
+		ELOG("Can't open %s\n", fname);
+		return 0;
+	}
+
+	OggVorbis_File vf;
+	vorbis_info* vi;
+
+	if(ov_open(f, &vf, NULL, 0) < 0)
+	{
+		ELOG("%s does not appear to be ogg file\n");
+		fclose(f);
+		return 0;
+	}
+
+	// read and print comments
+	char** comm = ov_comment(&vf, -1)->user_comments;
+	vi = ov_info(&vf, -1);
+
+	while(*comm)
+	{
+		ELOG("%s", *comm);
+		comm++;
+	}
+
+	assert(vi != NULL);
+
+	format.bits = 4 * 8;	// TODO: should be word_size * 8
+	format.channels = vi->channels;
+	format.rate = vi->rate;
+	format.byte_format = AO_FMT_NATIVE;
+
+	// now open device
+	device = ao_open_live(default_driver, &format, NULL);
+	if(device == NULL)
+	{
+		ELOG("Can't open device");
+		ov_clear(&vf);
+		return 0;
+	}
+
+	int current_section;
+	while(1)
+	{
+		long ret = ov_read(&vf, pcm_out, sizeof(pcm_out), 0, 2, 1, &current_section);
+		if(ret == 0)
+			break;
+		else if(ret < 0)
+			ELOG("Error in the stream, continuing...");
+		else
+			ao_play(device, pcm_out, ret);
+	}
+
+	ao_close(device);
+	device = NULL;
+
+	// NOTE: fclose(f) is not needed, since ov_clear() will close file
+	ov_clear(&vf);
+#endif	// SOUND
+
+	return 1;
+}