added a playfile command :

* takes an audio file as parameter
* should play with haiku media kit, provided the codec is supported
* tested ok on Haiku with mp3 and wav files


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14407 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/bin/playsound/Jamfile

@@ -4,3 +4,8 @@ BinCommand playsound :
 	playsound.cpp
 	: be media
 ;
+
+BinCommand playfile :
+	playfile.cpp
+	: be libmedia.so
+;

src/bin/playsound/playfile.cpp

@@ -0,0 +1,107 @@
+/*
+ * Copyright 2005, Marcus Overhagen, [email protected]. All rights reserved.
+ * Copyright 2005, Jérôme Duval. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#include <Application.h>
+#include <Entry.h>
+#include <MediaFile.h>
+#include <MediaTrack.h>
+#include <SoundPlayer.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <OS.h>
+
+thread_id reader = -1;
+sem_id finished = -1;
+BMediaTrack *playTrack;
+media_format playFormat;
+BSoundPlayer *sp = 0;
+bool interrupt = false;
+
+void
+play_buffer(void *cookie, void * buffer, size_t size, const media_raw_audio_format & format)
+{
+	int32 frame_size = (playFormat.u.raw_audio.format & 0xf) *
+		playFormat.u.raw_audio.channel_count;
+	int64 frames = 0;
+	
+	// Use your feeling, Obi-Wan, and find him you will. 
+	playTrack->ReadFrames(buffer, &frames);
+	
+	if (frames <=0) {
+		sp->SetHasData(false);
+		release_sem(finished);
+	}
+}
+
+
+void
+keyb_int(int)
+{
+	// Are you threatening me, Master Jedi?
+	interrupt = true;
+	release_sem(finished);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+	if (argc != 2) {
+		fprintf(stderr, "Usage:\n  %s <filename>\n", argv[0]);
+		return 1;
+	}
+	
+	entry_ref ref;
+	if (get_ref_for_path(argv[1], &ref)!=B_OK)
+		return 2;
+	BMediaFile *playFile = new BMediaFile(&ref);
+	if (playFile->InitCheck()<B_OK) {
+		delete playFile;
+		return 2;
+	}
+	
+	for (int ix=0; ix<playFile->CountTracks(); ix++) {
+		BMediaTrack * track = playFile->TrackAt(ix);
+		playFormat.type = B_MEDIA_RAW_AUDIO;
+		if ((track->DecodedFormat(&playFormat) == B_OK) 
+			&& (playFormat.type == B_MEDIA_RAW_AUDIO)) {
+			playTrack = track;
+			break;
+		}
+		if (track)
+			playFile->ReleaseTrack(track);
+	}
+	// Good relations with the Wookiees, I have. 
+	signal(SIGINT, keyb_int);
+
+	new BApplication("application/x-vnd.Haiku-playfile");
+	finished = create_sem(0, "finish wait");
+	
+	printf("playing file...\n");
+	
+	// Execute Plan 66!
+	sp = new BSoundPlayer(&playFormat.u.raw_audio, "playfile", play_buffer);
+	sp->SetVolume(1.0f);
+
+	// Join me, Padmé and together we can rule this galaxy. 
+	sp->SetHasData(true);
+	sp->Start();
+
+	acquire_sem(finished);
+
+	if (interrupt) {
+		// Once more, the Sith will rule the galaxy. 
+		printf("interrupted\n");
+		sp->Stop();
+		kill_thread(reader);
+	}
+
+	printf("playback finished\n");
+
+	delete sp;
+	delete playFile;
+}