* Added BeBook example quoted in bug #4920 as a test application into the

repository.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@34469 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/kits/media/Jamfile

@@ -22,5 +22,6 @@ SubInclude HAIKU_TOP src tests kits media notificationtest ;
 SubInclude HAIKU_TOP src tests kits media nodetest ;
 SubInclude HAIKU_TOP src tests kits media playwav ;
 SubInclude HAIKU_TOP src tests kits media mp3_reader_test ;
+SubInclude HAIKU_TOP src tests kits media soundplayer ;
 SubInclude HAIKU_TOP src tests kits media wav_reader_test ;
 

src/tests/kits/media/soundplayer/Jamfile

@@ -0,0 +1,6 @@
+SubDir HAIKU_TOP src tests kits media soundplayer ;
+
+SimpleTest <test>SimplePlayerTest
+	: SimplePlayerTest.cpp
+	: media be $(TARGET_LIBSUPC++)
+;

src/tests/kits/media/soundplayer/SimplePlayerTest.cpp

@@ -0,0 +1,63 @@
+//! From BeBook examples.
+
+
+#include <Application.h>
+#include <Sound.h>
+#include <SoundPlayer.h>
+
+
+typedef struct cookie_record {
+	float value;
+	float direction;
+} cookie_record;
+
+
+void
+BufferProc(void* _cookie, void* buffer, size_t size,
+	const media_raw_audio_format& format)
+{
+	// We're going to be cheap and only work for floating-point audio
+
+	if (format.format != media_raw_audio_format::B_AUDIO_FLOAT)
+		return;
+
+	// Now fill the buffer with sound!
+
+	cookie_record* cookie = (cookie_record*)_cookie;
+	uint32 channelCount = format.channel_count;
+	size_t floatSize = size / 4;
+	float* buf = (float*)buffer;
+
+	for (size_t i = 0; i < floatSize; i += channelCount) {
+		for (size_t j = 0; j < channelCount; j++) {
+			buf[i + j] = cookie->value;
+		}
+
+		if (cookie->direction == 1.0 && cookie->value >= 1.0)
+			cookie->direction = -1.0;
+		else if (cookie->direction == -1.0 && cookie->value <= -1.0)
+			cookie->direction = 1.0;
+
+		cookie->value += cookie->direction * (1.0 / 64.0);
+	}
+}
+
+
+int
+main()
+{
+	BApplication app("application/dzwiek");
+
+	cookie_record cookie;
+
+	cookie.value = 0.0;
+	cookie.direction = 1.0;
+
+	BSoundPlayer player("wave_player", BufferProc, NULL, &cookie);
+	player.Start();
+	player.SetHasData(true);
+
+	sleep(5);
+
+	player.Stop();
+}