diff examples/example-audio.c @ 203:d3ef968745f5

core: rework audio API - sound: module to play sounds (several at once), - music: loopable music that can only be played one at once.
author David Demelier <markand@malikania.fr>
date Mon, 09 Nov 2020 21:18:41 +0100
parents examples/example-sound.c@c3a40062acc2
children 133926e08d6e
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/example-audio.c	Mon Nov 09 21:18:41 2020 +0100
@@ -0,0 +1,155 @@
+/*
+ * example-sound.c -- show how to use sounds
+ *
+ * Copyright (c) 2020 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <core/clock.h>
+#include <core/core.h>
+#include <core/event.h>
+#include <core/music.h>
+#include <core/painter.h>
+#include <core/panic.h>
+#include <core/sound.h>
+#include <core/sys.h>
+#include <core/util.h>
+#include <core/window.h>
+
+#include <ui/label.h>
+#include <ui/theme.h>
+#include <ui/ui.h>
+
+/* https://freesound.org/people/VABsounds/sounds/423658 */
+#include <assets/musics/vabsounds-romance.h>
+#include <assets/sounds/fire.h>
+
+#define W 1280
+#define H 720
+
+static struct music music;
+static struct sound sound;
+
+static struct label label_music = {
+	.text = "Music: <Space> play, <f> fade in, <s> fade out, <p> pause, <r> resume, <q> stop, <l> loop.",
+	.x = 10,
+	.y = 10,
+	.flags = LABEL_FLAGS_SHADOW
+};
+
+static struct label label_sound = {
+	.text = "Sound: click anywhere to pop a sound.",
+	.x = 10,
+	.y = 30,
+	.flags = LABEL_FLAGS_SHADOW
+};
+
+static void
+init(void)
+{
+	if (!core_init() || !ui_init())
+		panic();
+	if (!window_open("Example - Audio", W, H))
+		panic();
+	if (!music_openmem(&music, musics_vabsounds_romance, sizeof (musics_vabsounds_romance)))
+		panic();
+	if (!sound_openmem(&sound, sounds_fire, sizeof (sounds_fire)))
+		panic();
+}
+
+static void
+quit(void)
+{
+	window_finish();
+	ui_finish();
+	core_finish();
+}
+
+static void
+run(void)
+{
+	struct clock clock = {0};
+
+	clock_start(&clock);
+
+	for (;;) {
+		union event ev;
+		unsigned int elapsed = clock_elapsed(&clock);
+
+		clock_start(&clock);
+
+		while (event_poll(&ev)) {
+			switch (ev.type) {
+			case EVENT_CLICKDOWN:
+				if (!sound_play(&sound, -1, 0))
+					panic();
+				break;
+			case EVENT_KEYDOWN:
+				switch (ev.key.key) {
+				case KEY_f:
+					music_play(&music, 0, 500);
+					break;
+				case KEY_s:
+					music_stop(500);
+					break;
+				case KEY_p:
+					music_pause();
+					break;
+				case KEY_r:
+					music_resume();
+					break;
+				case KEY_q:
+					music_stop(0);
+					break;
+				case KEY_l:
+					music_play(&music, MUSIC_LOOP, 0);
+					break;
+				case KEY_SPACE:
+					music_play(&music, 0, 0);
+					break;
+				default:
+					break;
+				}
+				break;
+			case EVENT_QUIT:
+				return;
+			default:
+				break;
+			}
+		}
+
+		painter_set_color(0x006554ff);
+		painter_clear();
+		label_draw(&label_music);
+		label_draw(&label_sound);
+		painter_present();
+
+		if ((elapsed = clock_elapsed(&clock)) < 20)
+			delay(20 - elapsed);
+	}
+
+	music_finish(&music);
+	sound_finish(&sound);
+}
+
+int
+main(int argc, char **argv)
+{
+	(void)argc;
+	(void)argv;
+
+	init();
+	run();
+	quit();
+}