Put music files in the correct group.

BGMApp/BGMApp/Music Players/BGMDecibel.h

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+// This file is part of Background Music.
+//
+// Background Music is free software: you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation, either version 2 of the
+// License, or (at your option) any later version.
+//
+// Background Music is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Background Music. If not, see <http://www.gnu.org/licenses/>.
+
+//
+//  BGMDecibel.h
+//  BGMApp
+//
+//  Copyright © 2016 Kyle Neideck
+//
+
+// Superclass/Protocol Import
+#import "BGMMusicPlayer.h"
+
+
+@interface BGMDecibel : BGMMusicPlayer
+
+@end
+

BGMApp/BGMApp/Music Players/BGMDecibel.m

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+// This file is part of Background Music.
+//
+// Background Music is free software: you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation, either version 2 of the
+// License, or (at your option) any later version.
+//
+// Background Music is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Background Music. If not, see <http://www.gnu.org/licenses/>.
+
+//
+//  BGMDecibel.m
+//  BGMApp
+//
+//  Copyright © 2016 Kyle Neideck
+//
+
+// Self Include
+#import "BGMDecibel.h"
+
+// Auto-generated Scripting Bridge header
+#import "Decibel.h"
+
+// PublicUtility Includes
+#undef CoreAudio_ThreadStampMessages
+#define CoreAudio_ThreadStampMessages 0  // Requires C++
+#include "CADebugMacros.h"
+
+
+@implementation BGMDecibel
+
+BGM_MUSIC_PLAYER_DEFAULT_LOAD_METHOD
+
++ (NSString*) name {
+    return @"Decibel";
+}
+
+- (CFNumberRef) pid {
+    return NULL;
+}
+
++ (CFStringRef) bundleID {
+    return CFSTR("org.sbooth.Decibel");
+}
+
+- (DecibelApplication* __nullable) decibel {
+    return (DecibelApplication*) self.sbApplication;
+}
+
+- (BOOL) isRunning {
+    return self.decibel && [self.decibel isRunning];
+}
+
+- (BOOL) pause {
+    // isPlaying checks isRunning, so we don't need to check it here and waste an Apple event
+    BOOL wasPlaying = [self isPlaying];
+    
+    if (wasPlaying) {
+        DebugMsg("BGMDecibel::pause: Pausing Decibel");
+        [self.decibel pause];
+    }
+    
+    return wasPlaying;
+}
+
+- (BOOL) unpause {
+    // isPaused checks isRunning, so we don't need to check it here and waste an Apple event
+    BOOL wasPaused = [self isPaused];
+    
+    if (wasPaused) {
+        DebugMsg("BGMDecibel::unpause: Unpausing Decibel");
+        [self.decibel playPause];
+    }
+    
+    return wasPaused;
+}
+
+- (BOOL) isPlaying {
+    return [self isRunning] && [self.decibel playing];
+}
+
+- (BOOL) isPaused {
+    return [self isRunning] && ![self.decibel playing];
+}
+
+@end

BGMApp/BGMApp/Music Players/Decibel.h

@@ -0,0 +1,178 @@
+/*
+ * Decibel.h
+ */
+
+#import <AppKit/AppKit.h>
+#import <ScriptingBridge/ScriptingBridge.h>
+
+
+@class DecibelApplication, DecibelDocument, DecibelWindow, DecibelApplication, DecibelTrack;
+
+enum DecibelSaveOptions {
+	DecibelSaveOptionsYes = 'yes ' /* Save the file. */,
+	DecibelSaveOptionsNo = 'no  ' /* Do not save the file. */,
+	DecibelSaveOptionsAsk = 'ask ' /* Ask the user whether or not to save the file. */
+};
+typedef enum DecibelSaveOptions DecibelSaveOptions;
+
+enum DecibelPrintingErrorHandling {
+	DecibelPrintingErrorHandlingStandard = 'lwst' /* Standard PostScript error handling */,
+	DecibelPrintingErrorHandlingDetailed = 'lwdt' /* print a detailed report of PostScript errors */
+};
+typedef enum DecibelPrintingErrorHandling DecibelPrintingErrorHandling;
+
+enum DecibelShuffleMode {
+	DecibelShuffleModeOff = 'off ' /* Off */,
+	DecibelShuffleModeTrack = 'trck' /* Track */,
+	DecibelShuffleModeAlbum = 'albm' /* Album */,
+	DecibelShuffleModeArtist = 'arts' /* Artist */
+};
+typedef enum DecibelShuffleMode DecibelShuffleMode;
+
+enum DecibelRepeatMode {
+	DecibelRepeatModeOff = 'off ' /* Off */,
+	DecibelRepeatModeTrack = 'trck' /* Track */,
+	DecibelRepeatModeAlbum = 'albm' /* Album */,
+	DecibelRepeatModeArtist = 'arts' /* Artist */,
+	DecibelRepeatModeAll = 'all ' /* All */
+};
+typedef enum DecibelRepeatMode DecibelRepeatMode;
+
+@protocol DecibelGenericMethods
+
+- (void) closeSaving:(DecibelSaveOptions)saving savingIn:(NSURL *)savingIn;  // Close a document.
+- (void) saveIn:(NSURL *)in_ as:(id)as;  // Save a document.
+- (void) printWithProperties:(NSDictionary *)withProperties printDialog:(BOOL)printDialog;  // Print a document.
+- (void) delete;  // Delete an object.
+- (void) duplicateTo:(SBObject *)to withProperties:(NSDictionary *)withProperties;  // Copy an object.
+- (void) moveTo:(SBObject *)to;  // Move an object to a new location.
+
+@end
+
+
+
+/*
+ * Standard Suite
+ */
+
+// The application's top-level scripting object.
+@interface DecibelApplication : SBApplication
+
+- (SBElementArray<DecibelDocument *> *) documents;
+- (SBElementArray<DecibelWindow *> *) windows;
+
+@property (copy, readonly) NSString *name;  // The name of the application.
+@property (readonly) BOOL frontmost;  // Is this the active application?
+@property (copy, readonly) NSString *version;  // The version number of the application.
+
+- (id) open:(id)x;  // Open a document.
+- (void) print:(id)x withProperties:(NSDictionary *)withProperties printDialog:(BOOL)printDialog;  // Print a document.
+- (void) quitSaving:(DecibelSaveOptions)saving;  // Quit the application.
+- (BOOL) exists:(id)x;  // Verify that an object exists.
+- (void) play;  // Begin audio playback
+- (void) pause;  // Suspend audio playback
+- (void) stop;  // Stop audio playback
+- (void) playPause;  // Begin or suspend audio playback
+- (void) seekForward;  // Seek forward three seconds
+- (void) seekBackward;  // Seek backward three seconds
+- (void) playSelection;  // Play the selected track, or the first track if more than one are selected
+- (void) playPreviousTrack;  // Play the previous logical track in the playlist
+- (void) playNextTrack;  // Play the next logical track in the playlist
+- (void) addFile:(NSURL *)x;  // Add a file to the playlist
+- (void) playFile:(NSURL *)x;  // Add a file to the playlist and play it
+- (void) playTrackAtIndex:(NSInteger)x;  // Play a track in the playlist
+- (void) increaseDeviceVolume;  // Increase the device volume
+- (void) decreaseDeviceVolume;  // Decrease the device volume
+- (void) increaseDigitalVolume;  // Increase the digital volume
+- (void) decreaseDigitalVolume;  // Decrease the digital volume
+- (void) clearPlaylist;  // Clear the playlist
+- (void) scramblePlaylist;  // Scramble the playlist
+
+@end
+
+// A document.
+@interface DecibelDocument : SBObject <DecibelGenericMethods>
+
+@property (copy, readonly) NSString *name;  // Its name.
+@property (readonly) BOOL modified;  // Has it been modified since the last save?
+@property (copy, readonly) NSURL *file;  // Its location on disk, if it has one.
+
+
+@end
+
+// A window.
+@interface DecibelWindow : SBObject <DecibelGenericMethods>
+
+@property (copy, readonly) NSString *name;  // The title of the window.
+- (NSInteger) id;  // The unique identifier of the window.
+@property NSInteger index;  // The index of the window, ordered front to back.
+@property NSRect bounds;  // The bounding rectangle of the window.
+@property (readonly) BOOL closeable;  // Does the window have a close button?
+@property (readonly) BOOL miniaturizable;  // Does the window have a minimize button?
+@property BOOL miniaturized;  // Is the window minimized right now?
+@property (readonly) BOOL resizable;  // Can the window be resized?
+@property BOOL visible;  // Is the window visible right now?
+@property (readonly) BOOL zoomable;  // Does the window have a zoom button?
+@property BOOL zoomed;  // Is the window zoomed right now?
+@property (copy, readonly) DecibelDocument *document;  // The document whose contents are displayed in the window.
+
+
+@end
+
+
+
+/*
+ * Decibel Scripting Suite
+ */
+
+// The Decibel application class.
+@interface DecibelApplication (DecibelScriptingSuite)
+
+- (SBElementArray<DecibelTrack *> *) tracks;
+
+@property (readonly) BOOL playing;  // Is the player currently playing?
+@property (readonly) BOOL shuffling;  // Is the player currently shuffling?
+@property (readonly) BOOL repeating;  // Is the player currently repeating?
+@property (copy, readonly) DecibelTrack *nowPlaying;  // The track that is currently playing?
+@property double deviceVolume;  // The current device volume
+@property double digitalVolume;  // The current digital volume
+@property double playbackPosition;  // The current playback position [0, 1]
+@property double playbackTime;  // The current playback time in seconds
+@property (readonly) BOOL canPlay;  // Is the player currently playing?
+@property (readonly) BOOL canPlayPreviousTrack;  // Is the player currently playing?
+@property (readonly) BOOL canPlayNextTrack;  // Is the player currently playing?
+@property (readonly) BOOL canAdjustDeviceVolume;  // Can the device volume be adjusted?
+@property DecibelShuffleMode shuffleMode;  // Player shuffle mode
+@property DecibelRepeatMode repeatMode;  // Player repeat mode
+@property (copy, readonly) SBObject *currentPlaylist;  // The current playlist
+
+@end
+
+// A track in the playlist
+@interface DecibelTrack : SBObject <DecibelGenericMethods>
+
+- (NSString *) id;  // The track's ID
+@property (copy, readonly) NSURL *file;  // The track's location
+@property (readonly) double duration;  // The track's duration in seconds
+@property (readonly) double sampleRate;  // The track's sample rate in Hz
+@property (readonly) NSInteger bitDepth;  // The bit depth
+@property (readonly) NSInteger channels;  // The track's channels
+@property (copy) NSString *title;  // The track's title
+@property (copy) NSString *artist;  // The track's artist
+@property (copy) NSString *albumTitle;  // The track's album title
+@property (copy) NSString *albumArtist;  // The track's album artist
+@property NSInteger trackNumber;  // The track's track number
+@property NSInteger trackTotal;  // The total number of tracks on the album
+@property NSInteger discNumber;  // The disc number containing the track
+@property NSInteger discTotal;  // The total number of discs (for multidisc albums)
+@property BOOL partOfACompilation;  // Is the track part of a compilation?
+@property (copy) NSString *genre;  // The track's genre
+@property (copy) NSString *composer;  // The track's composer
+@property (copy) NSString *releaseDate;  // The track's release date
+@property (copy) NSString *ISRC;  // The track's ISRC
+@property (copy) id MCN;  // The track's MCN
+
+- (void) playTrack;  // Play a track in the playlist
+
+@end
+