A simple player that can play 44.1 kHz 16 bit stereo wav files using BSoundPlayer

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4572 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/kits/media/Jamfile

@@ -12,4 +12,5 @@ SimpleTest TimedEventQueueTest : TimedEventQueueTest.cpp
 
 SubInclude OBOS_TOP src tests kits media notificationtest ;
 SubInclude OBOS_TOP src tests kits media nodetest ;
+SubInclude OBOS_TOP src tests kits media playwav ;
 

src/tests/kits/media/playwav/Jamfile

@@ -0,0 +1,8 @@
+SubDir OBOS_TOP src tests kits media playwav ;
+
+UsePrivateHeaders media ;
+
+SimpleTest playwav
+	: playwav.cpp
+	: media be root
+;

src/tests/kits/media/playwav/playwav.cpp

@@ -0,0 +1,104 @@
+#include <Application.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <OS.h>
+
+#define USE_NEW_PLAYER 0
+
+#if USE_NEW_PLAYER
+  #define NAMESPACE	BExperimental::
+  #include "NewSoundPlayer.h"
+#else
+  #define NAMESPACE
+  #include <SoundPlayer.h>
+#endif
+
+#define FILENAME "/boot/home/test1.wav"
+#define SIZE	2048
+
+port_id port = -1;
+sem_id finished = -1;
+int fd = -1;
+NAMESPACE BSoundPlayer *sp = 0;
+
+inline float abs(float f) { return f < 0 ? -f : f; }
+
+void PlayBuffer(void *cookie, void * buffer, size_t size, const media_raw_audio_format & format)
+{
+	size_t portsize = port_buffer_size(port);
+	int32 code;
+	
+	read_port(port, &code, buffer, portsize);
+
+	if (size != portsize) {
+		sp->SetHasData(false);
+		release_sem(finished);
+	}
+}
+
+int32 filereader(void *arg)
+{
+	char buffer[SIZE];
+	int size;
+	
+	printf("file reader started\n");
+	
+	for (;;) {
+		size = read(fd, buffer, SIZE);
+		write_port(port, 0, buffer, size);
+		if (size != SIZE)
+			break;
+	}
+
+	write_port(port, 0, buffer, 0);
+
+	printf("file reader finished\n");
+
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	fd = open((argc > 1) ? argv[1] : FILENAME, O_RDONLY);
+	if (fd < 0)
+		return -1;
+		
+	lseek(fd, 44, SEEK_SET); // skip wav header
+
+	new BApplication("application/x-vnd.playfile");
+	finished = create_sem(0, "finish wait");
+	port = create_port(64, "buffer");
+	
+	media_raw_audio_format format;
+	format = media_raw_audio_format::wildcard;
+	format.frame_rate = 44100;
+	format.channel_count = 2;
+	format.format = media_raw_audio_format::B_AUDIO_SHORT;
+	format.byte_order = B_MEDIA_LITTLE_ENDIAN;
+	format.buffer_size = 2048;
+
+	printf("spawning reader thread...\n");
+	
+	resume_thread(spawn_thread(filereader, "filereader", 8, 0));
+	
+	snooze(1000000);
+
+	printf("playing soundfile...\n");
+	
+	sp = new NAMESPACE BSoundPlayer(&format, "sound player test", PlayBuffer);
+
+	sp->SetHasData(true);
+	sp->Start();
+
+	sp->SetVolume(1.0f);
+
+	// wait for playback end
+	acquire_sem(finished);
+
+	printf("\nplayback finished\n");
+
+	delete sp;
+	
+	close(fd);
+}