├── AudioSample-Info.plist ├── AudioSample.xcodeproj ├── alex.mode1v3 ├── alex.pbxuser ├── project.pbxproj ├── project.xcworkspace │ ├── contents.xcworkspacedata │ └── xcuserdata │ │ └── alex.xcuserdatad │ │ └── WorkspaceSettings.xcsettings └── xcuserdata │ └── alex.xcuserdatad │ ├── xcdebugger │ └── Breakpoints.xcbkptlist │ └── xcschemes │ ├── AudioSample.xcscheme │ └── xcschememanagement.plist ├── AudioSample_Prefix.pch ├── Classes ├── AppleOpenALSupport.c ├── AppleOpenALSupport.h ├── AudioSampleAppDelegate.h ├── AudioSampleAppDelegate.m ├── CMOpenALSound.h ├── CMOpenALSound.m ├── CMOpenALSoundManager.h ├── CMOpenALSoundManager.m ├── DebugOutput.h ├── DebugOutput.m ├── RootViewController.h ├── RootViewController.m └── SynthesizeSingleton.h ├── License ├── MainWindow.xib ├── Readme.markdown ├── RootViewController.xib ├── Start.caf ├── backgroundLoop.m4a ├── engine.caf ├── main.m ├── screen.png ├── volumedown.png └── volumeup.png /AudioSample-Info.plist: 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947 | ToolbarConfiguration 948 | xcode.toolbar.config.snapshots 949 | WindowString 950 | 315 824 300 550 0 0 1440 878 951 | WindowToolIsVisible 952 | Yes 953 | 954 | 955 | Identifier 956 | windowTool.scm 957 | Layout 958 | 959 | 960 | Dock 961 | 962 | 963 | ContentConfiguration 964 | 965 | PBXProjectModuleGUID 966 | 1C78EAB2065D492600B07095 967 | PBXProjectModuleLabel 968 | <No Editor> 969 | PBXSplitModuleInNavigatorKey 970 | 971 | Split0 972 | 973 | PBXProjectModuleGUID 974 | 1C78EAB3065D492600B07095 975 | 976 | SplitCount 977 | 1 978 | 979 | StatusBarVisibility 980 | 1 981 | 982 | GeometryConfiguration 983 | 984 | Frame 985 | {{0, 0}, {452, 0}} 986 | RubberWindowFrame 987 | 743 379 452 308 0 0 1280 1002 988 | 989 | Module 990 | PBXNavigatorGroup 991 | Proportion 992 | 0pt 993 | 994 | 995 | BecomeActive 996 | 1 997 | ContentConfiguration 998 | 999 | PBXProjectModuleGUID 1000 | 1CD052920623707200166675 1001 | PBXProjectModuleLabel 1002 | SCM 1003 | 1004 | GeometryConfiguration 1005 | 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1063 | 1064 | Dock 1065 | 1066 | 1067 | ContentConfiguration 1068 | 1069 | PBXBottomSmartGroupGIDs 1070 | 1071 | 1C77FABC04509CD000000102 1072 | 1073 | PBXProjectModuleGUID 1074 | 1CE0B1FE06471DED0097A5F4 1075 | PBXProjectModuleLabel 1076 | Files 1077 | PBXProjectStructureProvided 1078 | no 1079 | PBXSmartGroupTreeModuleColumnData 1080 | 1081 | PBXSmartGroupTreeModuleColumnWidthsKey 1082 | 1083 | 168 1084 | 1085 | PBXSmartGroupTreeModuleColumnsKey_v4 1086 | 1087 | MainColumn 1088 | 1089 | 1090 | PBXSmartGroupTreeModuleOutlineStateKey_v7 1091 | 1092 | PBXSmartGroupTreeModuleOutlineStateExpansionKey 1093 | 1094 | 1C77FABC04509CD000000102 1095 | 1096 | PBXSmartGroupTreeModuleOutlineStateSelectionKey 1097 | 1098 | 1099 | 0 1100 | 1101 | 1102 | PBXSmartGroupTreeModuleOutlineStateVisibleRectKey 1103 | {{0, 0}, {168, 350}} 1104 | 1105 | PBXTopSmartGroupGIDs 1106 | 1107 | XCIncludePerspectivesSwitch 1108 | 1109 | 1110 | GeometryConfiguration 1111 | 1112 | Frame 1113 | {{0, 0}, {185, 368}} 1114 | GroupTreeTableConfiguration 1115 | 1116 | MainColumn 1117 | 168 1118 | 1119 | RubberWindowFrame 1120 | 21 446 744 409 0 0 1440 878 1121 | 1122 | Module 1123 | PBXSmartGroupTreeModule 1124 | Proportion 1125 | 185pt 1126 | 1127 | 1128 | BecomeActive 1129 | 1130 | ContentConfiguration 1131 | 1132 | PBXProjectModuleGUID 1133 | 1CA1AED706398EBD00589147 1134 | PBXProjectModuleLabel 1135 | Detail 1136 | 1137 | GeometryConfiguration 1138 | 1139 | Frame 1140 | {{190, 0}, {554, 368}} 1141 | RubberWindowFrame 1142 | 21 446 744 409 0 0 1440 878 1143 | 1144 | Module 1145 | XCDetailModule 1146 | Proportion 1147 | 554pt 1148 | 1149 | 1150 | Proportion 1151 | 368pt 1152 | 1153 | 1154 | MajorVersion 1155 | 3 1156 | MinorVersion 1157 | 0 1158 | Name 1159 | Breakpoints 1160 | ServiceClasses 1161 | 1162 | PBXSmartGroupTreeModule 1163 | XCDetailModule 1164 | 1165 | StatusbarIsVisible 1166 | 1167 | TableOfContents 1168 | 1169 | FAAC1EA210D6DC6A00139279 1170 | FAAC1EA310D6DC6A00139279 1171 | 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1231 | 100% 1232 | 1233 | 1234 | Name 1235 | Bookmarks 1236 | ServiceClasses 1237 | 1238 | PBXBookmarksModule 1239 | 1240 | StatusbarIsVisible 1241 | 0 1242 | WindowString 1243 | 538 42 401 187 0 0 1280 1002 1244 | 1245 | 1246 | Identifier 1247 | windowTool.projectFormatConflicts 1248 | Layout 1249 | 1250 | 1251 | Dock 1252 | 1253 | 1254 | Module 1255 | XCProjectFormatConflictsModule 1256 | Proportion 1257 | 100% 1258 | 1259 | 1260 | Proportion 1261 | 100% 1262 | 1263 | 1264 | Name 1265 | Project Format Conflicts 1266 | ServiceClasses 1267 | 1268 | XCProjectFormatConflictsModule 1269 | 1270 | StatusbarIsVisible 1271 | 0 1272 | WindowContentMinSize 1273 | 450 300 1274 | WindowString 1275 | 50 850 472 307 0 0 1440 877 1276 | 1277 | 1278 | Identifier 1279 | windowTool.classBrowser 1280 | Layout 1281 | 1282 | 1283 | Dock 1284 | 1285 | 1286 | BecomeActive 1287 | 1 1288 | ContentConfiguration 1289 | 1290 | OptionsSetName 1291 | Hierarchy, all classes 1292 | PBXProjectModuleGUID 1293 | 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/* End XCConfigurationList section */ 334 | }; 335 | rootObject = 29B97313FDCFA39411CA2CEA /* Project object */; 336 | } 337 | -------------------------------------------------------------------------------- /AudioSample.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /AudioSample.xcodeproj/project.xcworkspace/xcuserdata/alex.xcuserdatad/WorkspaceSettings.xcsettings: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | HasAskedToTakeAutomaticSnapshotBeforeSignificantChanges 6 | 7 | SnapshotAutomaticallyBeforeSignificantChanges 8 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /AudioSample.xcodeproj/xcuserdata/alex.xcuserdatad/xcdebugger/Breakpoints.xcbkptlist: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /AudioSample.xcodeproj/xcuserdata/alex.xcuserdatad/xcschemes/AudioSample.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 32 | 33 | 39 | 40 | 41 | 42 | 51 | 52 | 58 | 59 | 60 | 61 | 62 | 63 | 69 | 70 | 76 | 77 | 78 | 79 | 81 | 82 | 85 | 86 | 87 | -------------------------------------------------------------------------------- /AudioSample.xcodeproj/xcuserdata/alex.xcuserdatad/xcschemes/xcschememanagement.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | SchemeUserState 6 | 7 | AudioSample.xcscheme 8 | 9 | orderHint 10 | 0 11 | 12 | 13 | SuppressBuildableAutocreation 14 | 15 | 1D6058900D05DD3D006BFB54 16 | 17 | primary 18 | 19 | 20 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /AudioSample_Prefix.pch: -------------------------------------------------------------------------------- 1 | // 2 | // Prefix header for all source files of the 'AudioSample' target in the 'AudioSample' project 3 | // 4 | #import 5 | 6 | #ifndef __IPHONE_3_0 7 | #warning "This project uses features only available in iPhone SDK 3.0 and later." 8 | #endif 9 | 10 | 11 | #ifdef __OBJC__ 12 | #import 13 | #import 14 | #endif 15 | -------------------------------------------------------------------------------- /Classes/AppleOpenALSupport.c: -------------------------------------------------------------------------------- 1 | /* 2 | 3 | File: MyOpenALSupport.c 4 | Abstract: OpenAL-related support functions 5 | Version: 1.4 6 | 7 | Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple 8 | Inc. ("Apple") in consideration of your agreement to the following 9 | terms, and your use, installation, modification or redistribution of 10 | this Apple software constitutes acceptance of these terms. If you do 11 | not agree with these terms, please do not use, install, modify or 12 | redistribute this Apple software. 13 | 14 | In consideration of your agreement to abide by the following terms, and 15 | subject to these terms, Apple grants you a personal, non-exclusive 16 | license, under Apple's copyrights in this original Apple software (the 17 | "Apple Software"), to use, reproduce, modify and redistribute the Apple 18 | Software, with or without modifications, in source and/or binary forms; 19 | provided that if you redistribute the Apple Software in its entirety and 20 | without modifications, you must retain this notice and the following 21 | text and disclaimers in all such redistributions of the Apple Software. 22 | Neither the name, trademarks, service marks or logos of Apple Inc. may 23 | be used to endorse or promote products derived from the Apple Software 24 | without specific prior written permission from Apple. Except as 25 | expressly stated in this notice, no other rights or licenses, express or 26 | implied, are granted by Apple herein, including but not limited to any 27 | patent rights that may be infringed by your derivative works or by other 28 | works in which the Apple Software may be incorporated. 29 | 30 | The Apple Software is provided by Apple on an "AS IS" basis. APPLE 31 | MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION 32 | THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS 33 | FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND 34 | OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. 35 | 36 | IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL 37 | OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 38 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 39 | INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, 40 | MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED 41 | AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), 42 | STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE 43 | POSSIBILITY OF SUCH DAMAGE. 44 | 45 | Copyright (C) 2009 Apple Inc. All Rights Reserved. 46 | 47 | 48 | */ 49 | 50 | #include "AppleOpenALSupport.h" 51 | 52 | ALvoid alBufferDataStaticProc(const ALint bid, ALenum format, ALvoid* data, ALsizei size, ALsizei freq) 53 | { 54 | static alBufferDataStaticProcPtr proc = NULL; 55 | 56 | if (proc == NULL) { 57 | proc = (alBufferDataStaticProcPtr) alcGetProcAddress(NULL, (const ALCchar*) "alBufferDataStatic"); 58 | } 59 | 60 | if (proc) 61 | proc(bid, format, data, size, freq); 62 | 63 | return; 64 | } 65 | 66 | void* MyGetOpenALAudioData(CFURLRef inFileURL, ALsizei *outDataSize, ALenum *outDataFormat, ALsizei *outSampleRate, ALdouble *duration) 67 | { 68 | OSStatus err = noErr; 69 | SInt64 theFileLengthInFrames = 0; 70 | AudioStreamBasicDescription theFileFormat; 71 | UInt32 thePropertySize = sizeof(theFileFormat); 72 | ExtAudioFileRef extRef = NULL; 73 | void* theData = NULL; 74 | AudioStreamBasicDescription theOutputFormat; 75 | 76 | // Open a file with ExtAudioFileOpen() 77 | err = ExtAudioFileOpenURL(inFileURL, &extRef); 78 | if(err) { printf("MyGetOpenALAudioData: ExtAudioFileOpenURL FAILED, Error = %ld\n", err); goto Exit; } 79 | 80 | // Get the audio data format 81 | err = ExtAudioFileGetProperty(extRef, kExtAudioFileProperty_FileDataFormat, &thePropertySize, &theFileFormat); 82 | if(err) { printf("MyGetOpenALAudioData: ExtAudioFileGetProperty(kExtAudioFileProperty_FileDataFormat) FAILED, Error = %ld\n", err); goto Exit; } 83 | if (theFileFormat.mChannelsPerFrame > 2) { printf("MyGetOpenALAudioData - Unsupported Format, channel count is greater than stereo\n"); goto Exit;} 84 | 85 | // Set the client format to 16 bit signed integer (native-endian) data 86 | // Maintain the channel count and sample rate of the original source format 87 | theOutputFormat.mSampleRate = theFileFormat.mSampleRate; 88 | theOutputFormat.mChannelsPerFrame = theFileFormat.mChannelsPerFrame; 89 | 90 | theOutputFormat.mFormatID = kAudioFormatLinearPCM; 91 | theOutputFormat.mBytesPerPacket = 2 * theOutputFormat.mChannelsPerFrame; 92 | theOutputFormat.mFramesPerPacket = 1; 93 | theOutputFormat.mBytesPerFrame = 2 * theOutputFormat.mChannelsPerFrame; 94 | theOutputFormat.mBitsPerChannel = 16; 95 | theOutputFormat.mFormatFlags = kAudioFormatFlagsNativeEndian | kAudioFormatFlagIsPacked | kAudioFormatFlagIsSignedInteger; 96 | 97 | // Set the desired client (output) data format 98 | err = ExtAudioFileSetProperty(extRef, kExtAudioFileProperty_ClientDataFormat, sizeof(theOutputFormat), &theOutputFormat); 99 | if(err) { printf("MyGetOpenALAudioData: ExtAudioFileSetProperty(kExtAudioFileProperty_ClientDataFormat) FAILED, Error = %ld\n", err); goto Exit; } 100 | 101 | // Get the total frame count 102 | thePropertySize = sizeof(theFileLengthInFrames); 103 | err = ExtAudioFileGetProperty(extRef, kExtAudioFileProperty_FileLengthFrames, &thePropertySize, &theFileLengthInFrames); 104 | if(err) { printf("MyGetOpenALAudioData: ExtAudioFileGetProperty(kExtAudioFileProperty_FileLengthFrames) FAILED, Error = %ld\n", err); goto Exit; } 105 | 106 | // Read all the data into memory 107 | UInt32 dataSize = theFileLengthInFrames * theOutputFormat.mBytesPerFrame;; 108 | theData = malloc(dataSize); 109 | if (theData) 110 | { 111 | AudioBufferList theDataBuffer; 112 | theDataBuffer.mNumberBuffers = 1; 113 | theDataBuffer.mBuffers[0].mDataByteSize = dataSize; 114 | theDataBuffer.mBuffers[0].mNumberChannels = theOutputFormat.mChannelsPerFrame; 115 | theDataBuffer.mBuffers[0].mData = theData; 116 | 117 | // Read the data into an AudioBufferList 118 | err = ExtAudioFileRead(extRef, (UInt32*)&theFileLengthInFrames, &theDataBuffer); 119 | if(err == noErr) 120 | { 121 | // success 122 | *outDataSize = (ALsizei)dataSize; 123 | *outDataFormat = (theOutputFormat.mChannelsPerFrame > 1) ? AL_FORMAT_STEREO16 : AL_FORMAT_MONO16; 124 | *outSampleRate = (ALsizei)theOutputFormat.mSampleRate; 125 | } 126 | else 127 | { 128 | // failure 129 | free (theData); 130 | theData = NULL; // make sure to return NULL 131 | printf("MyGetOpenALAudioData: ExtAudioFileRead FAILED, Error = %ld\n", err); goto Exit; 132 | } 133 | } 134 | 135 | // Alex(Colombiamug): get the file duration... 136 | // first, get the audioID for the file... 137 | AudioFileID audioID; 138 | UInt32 audioIDSize = sizeof(audioID); 139 | err = ExtAudioFileGetProperty(extRef, kExtAudioFileProperty_AudioFile, &audioIDSize, &audioID); 140 | if(err) { printf("MyGetOpenALAudioData: ExtAudioFileGetProperty(kExtAudioFileProperty_AudioFile) FAILED, Error = %ld\n", err); goto Exit; } 141 | 142 | //now the duration... 143 | double soundDuration; 144 | UInt32 durationSize = sizeof(soundDuration); 145 | err = AudioFileGetProperty(audioID, kAudioFilePropertyEstimatedDuration, &durationSize, &soundDuration); 146 | if(err) { printf("MyGetOpenALAudioData: AudioFileGetProperty(kAudioFilePropertyEstimatedDuration) FAILED, Error = %ld\n", err); goto Exit; } 147 | 148 | *duration = soundDuration; 149 | //printf("Audio duration:%f secs.\n", soundDuration); 150 | 151 | Exit: 152 | // Dispose the ExtAudioFileRef, it is no longer needed 153 | if (extRef) ExtAudioFileDispose(extRef); 154 | return theData; 155 | } 156 | 157 | -------------------------------------------------------------------------------- /Classes/AppleOpenALSupport.h: -------------------------------------------------------------------------------- 1 | /* 2 | 3 | File: MyOpenALSupport.h 4 | Abstract: OpenAL-related support functions 5 | Version: 1.4 6 | 7 | Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple 8 | Inc. ("Apple") in consideration of your agreement to the following 9 | terms, and your use, installation, modification or redistribution of 10 | this Apple software constitutes acceptance of these terms. If you do 11 | not agree with these terms, please do not use, install, modify or 12 | redistribute this Apple software. 13 | 14 | In consideration of your agreement to abide by the following terms, and 15 | subject to these terms, Apple grants you a personal, non-exclusive 16 | license, under Apple's copyrights in this original Apple software (the 17 | "Apple Software"), to use, reproduce, modify and redistribute the Apple 18 | Software, with or without modifications, in source and/or binary forms; 19 | provided that if you redistribute the Apple Software in its entirety and 20 | without modifications, you must retain this notice and the following 21 | text and disclaimers in all such redistributions of the Apple Software. 22 | Neither the name, trademarks, service marks or logos of Apple Inc. may 23 | be used to endorse or promote products derived from the Apple Software 24 | without specific prior written permission from Apple. Except as 25 | expressly stated in this notice, no other rights or licenses, express or 26 | implied, are granted by Apple herein, including but not limited to any 27 | patent rights that may be infringed by your derivative works or by other 28 | works in which the Apple Software may be incorporated. 29 | 30 | The Apple Software is provided by Apple on an "AS IS" basis. APPLE 31 | MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION 32 | THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS 33 | FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND 34 | OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. 35 | 36 | IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL 37 | OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 38 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 39 | INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, 40 | MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED 41 | AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), 42 | STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE 43 | POSSIBILITY OF SUCH DAMAGE. 44 | 45 | Copyright (C) 2009 Apple Inc. All Rights Reserved. 46 | 47 | 48 | */ 49 | 50 | #import 51 | #import 52 | #import 53 | #import 54 | #import 55 | 56 | //typedef ALvoid AL_APIENTRY (*alBufferDataStaticProcPtr) (const ALint bid, ALenum format, ALvoid* data, ALsizei size, ALsizei freq); 57 | ALvoid alBufferDataStaticProc(const ALint bid, ALenum format, ALvoid* data, ALsizei size, ALsizei freq); 58 | 59 | void* MyGetOpenALAudioData(CFURLRef inFileURL, ALsizei *outDataSize, ALenum *outDataFormat, ALsizei *outSampleRate, ALdouble *duration); 60 | 61 | 62 | -------------------------------------------------------------------------------- /Classes/AudioSampleAppDelegate.h: -------------------------------------------------------------------------------- 1 | // 2 | // AudioSampleAppDelegate.h 3 | // AudioSample 4 | // 5 | // Created by Alex Restrepo on 9/14/09. 6 | // Copyright Brainchild 2009. All rights reserved. 7 | // 8 | 9 | @interface AudioSampleAppDelegate : NSObject { 10 | 11 | UIWindow *window; 12 | UINavigationController *navigationController; 13 | } 14 | 15 | @property (nonatomic, retain) IBOutlet UIWindow *window; 16 | @property (nonatomic, retain) IBOutlet UINavigationController *navigationController; 17 | 18 | @end 19 | 20 | -------------------------------------------------------------------------------- /Classes/AudioSampleAppDelegate.m: -------------------------------------------------------------------------------- 1 | // 2 | // AudioSampleAppDelegate.m 3 | // AudioSample 4 | // 5 | // Created by Alex Restrepo on 9/14/09. 6 | // Copyright Brainchild 2009. All rights reserved. 7 | // 8 | 9 | #import "AudioSampleAppDelegate.h" 10 | #import "RootViewController.h" 11 | 12 | 13 | @implementation AudioSampleAppDelegate 14 | 15 | @synthesize window; 16 | @synthesize navigationController; 17 | 18 | 19 | #pragma mark - 20 | #pragma mark Application lifecycle 21 | 22 | - (void)applicationDidFinishLaunching:(UIApplication *)application { 23 | 24 | // Override point for customization after app launch 25 | 26 | [window addSubview:[navigationController view]]; 27 | [window makeKeyAndVisible]; 28 | } 29 | 30 | 31 | - (void)applicationWillTerminate:(UIApplication *)application { 32 | // Save data if appropriate 33 | } 34 | 35 | 36 | #pragma mark - 37 | #pragma mark Memory management 38 | 39 | - (void)dealloc { 40 | [navigationController release]; 41 | [window release]; 42 | [super dealloc]; 43 | } 44 | 45 | 46 | @end 47 | 48 | -------------------------------------------------------------------------------- /Classes/CMOpenALSound.h: -------------------------------------------------------------------------------- 1 | // 2 | // CMOpenALSound.h 3 | // 4 | // Created by Alex Restrepo on 5/19/09. 5 | // Copyright 2009 Colombiamug. All rights reserved. 6 | // 7 | // Portions of this code are adapted from Apple's oalTouch example and 8 | // http://www.gehacktes.net/2009/03/iphone-programming-part-6-multiple-sounds-with-openal/ 9 | // 10 | // This code is released under the creative commons attribution-share alike licence, meaning: 11 | // 12 | // Attribution - You must attribute the work in the manner specified by the author or licensor 13 | // (but not in any way that suggests that they endorse you or your use of the work). 14 | // In this case, simple credit somewhere in your app or documentation will suffice. 15 | // 16 | // Share Alike - If you alter, transform, or build upon this work, you may distribute the resulting 17 | // work only under the same, similar or a compatible license. 18 | // Simply put, if you improve upon it, share! 19 | // 20 | // http://creativecommons.org/licenses/by-sa/3.0/us/ 21 | 22 | #import 23 | #import 24 | #import 25 | #import 26 | 27 | @interface CMOpenALSound : NSObject 28 | { 29 | ALuint bufferID; 30 | ALuint sourceID; //base source ID 31 | ALdouble duration; //duration of the sound in seconds 32 | ALfloat volume; //volume [0 - 1] 33 | ALfloat pitch; //speed 34 | 35 | ALenum error; 36 | ALvoid *bufferData; //holds the actual sound data 37 | 38 | NSMutableArray *temporarySounds; //holds source IDs to temporary sounds (sounds played when the base source was busy) 39 | NSString *sourceFileName; 40 | } 41 | 42 | @property (nonatomic, readonly) ALenum error; 43 | @property (nonatomic, readonly) ALdouble duration; 44 | @property (nonatomic) ALfloat volume; 45 | @property (nonatomic) ALfloat pitch; 46 | @property (nonatomic, copy, readonly) NSString *sourceFileName; 47 | 48 | - (id) initWithSoundFile:(NSString *)file doesLoop:(BOOL)loops; 49 | 50 | - (BOOL) play; 51 | - (BOOL) stop; 52 | - (BOOL) pause; 53 | - (BOOL) rewind; 54 | - (BOOL) isPlaying; 55 | - (BOOL) isAnyPlaying; 56 | @end 57 | -------------------------------------------------------------------------------- /Classes/CMOpenALSound.m: -------------------------------------------------------------------------------- 1 | // 2 | // CMOpenALSound.m 3 | // 4 | // Created by Alex Restrepo on 5/19/09. 5 | // Copyright 2009 Colombiamug. All rights reserved. 6 | // 7 | // Portions of this code are adapted from Apple's oalTouch example and 8 | // http://www.gehacktes.net/2009/03/iphone-programming-part-6-multiple-sounds-with-openal/ 9 | // 10 | // This code is released under the creative commons attribution-share alike licence, meaning: 11 | // 12 | // Attribution - You must attribute the work in the manner specified by the author or licensor 13 | // (but not in any way that suggests that they endorse you or your use of the work). 14 | // In this case, simple credit somewhere in your app or documentation will suffice. 15 | // 16 | // Share Alike - If you alter, transform, or build upon this work, you may distribute the resulting 17 | // work only under the same, similar or a compatible license. 18 | // Simply put, if you improve upon it, share! 19 | // 20 | // http://creativecommons.org/licenses/by-sa/3.0/us/ 21 | 22 | #import "CMOpenALSound.h" 23 | #import "AppleOpenALSupport.h" 24 | #import "DebugOutput.h" 25 | 26 | @interface CMOpenALSound() 27 | @property (nonatomic, retain) NSMutableArray *temporarySounds; 28 | @property (nonatomic, copy) NSString *sourceFileName; 29 | -(BOOL) loadSoundFile:(NSString *)file doesLoop:(BOOL)loops; 30 | @end 31 | 32 | @implementation CMOpenALSound 33 | @synthesize error, temporarySounds, duration, sourceFileName; 34 | 35 | #pragma mark - 36 | #pragma mark init/dealloc 37 | //initialize with a sound file... 38 | - (id) initWithSoundFile:(NSString *)file doesLoop:(BOOL)loops 39 | { 40 | self = [super init]; 41 | if (self != nil) 42 | { 43 | if(![self loadSoundFile:file doesLoop:loops]) 44 | { 45 | debug(@"Failed to load the sound file: %@...", file); 46 | [self release]; 47 | return nil; 48 | } 49 | self.sourceFileName = file; 50 | 51 | //temporary sound queue 52 | self.temporarySounds = [NSMutableArray array]; 53 | 54 | //default volume/pitch 55 | self.volume = 1.0; 56 | self.pitch = 1.0; 57 | } 58 | return self; 59 | } 60 | 61 | - (void) dealloc 62 | { 63 | debug(@"Deallocing sound: sourceID:%u, bufferID:%u", sourceID, bufferID); 64 | 65 | //delete base source... 66 | alDeleteSources(1, &sourceID); 67 | 68 | //and all temporary sources... 69 | for(NSNumber *tmpSourceID in temporarySounds) 70 | { 71 | //tmpSourceID is the source ID for the temporary sound 72 | NSUInteger srcID = [tmpSourceID unsignedIntegerValue]; 73 | alDeleteSources(1, &srcID); 74 | } 75 | [temporarySounds release]; 76 | 77 | //now the buffer, since it wasn't copied to openAL 78 | alDeleteBuffers(1, &bufferID); 79 | 80 | if(bufferData) 81 | { 82 | free(bufferData); 83 | bufferData = NULL; 84 | } 85 | 86 | [sourceFileName release]; 87 | 88 | [super dealloc]; 89 | } 90 | 91 | #pragma mark - 92 | #pragma mark loading 93 | -(BOOL) loadSoundFile:(NSString *)fileName doesLoop:(BOOL)loops 94 | { 95 | ALenum format; 96 | ALsizei size; 97 | ALsizei freq; 98 | error = AL_NO_ERROR; 99 | alGetError(); //clear any previous error... 100 | 101 | //get the URL for the sound file... 102 | NSBundle *bundle = [NSBundle mainBundle]; 103 | NSString *path = [bundle pathForResource:[fileName stringByDeletingPathExtension] 104 | ofType:[fileName pathExtension]]; 105 | 106 | if(!path) return NO; 107 | 108 | CFURLRef fileURL = (CFURLRef)[[NSURL fileURLWithPath:path] retain]; 109 | 110 | if (!fileURL) 111 | { 112 | debug(@"file: %@ not found.", fileName); 113 | return NO; 114 | } 115 | 116 | // get audio data from file 117 | bufferData = MyGetOpenALAudioData(fileURL, &size, &format, &freq, &duration); 118 | CFRelease(fileURL); 119 | 120 | // grab a buffer ID from openAL 121 | alGenBuffers(1, &bufferID); 122 | 123 | // load the awaiting data blob into the openAL buffer. 124 | // http://developer.apple.com/iphone/library/technotes/tn2008/tn2199.html 125 | // Use the alBufferDataStatic API, found in the oalStaticBufferExtension.h header file, 126 | // instead of the standard alBufferData function. This eliminates extra buffer copies by allowing your application to own 127 | // the audio data memory used by the buffer objects. 128 | alBufferDataStaticProc(bufferID, format, bufferData, size, freq); 129 | 130 | // grab a source ID from openAL, this will be the base source ID 131 | alGenSources(1, &sourceID); 132 | 133 | // attach the buffer to the source 134 | alSourcei(sourceID, AL_BUFFER, bufferID); 135 | 136 | if (loops) 137 | alSourcei(sourceID, AL_LOOPING, AL_TRUE); 138 | 139 | 140 | if((error = alGetError()) != AL_NO_ERROR) 141 | { 142 | debug(@"error loading sound: %x\n", error); 143 | return NO; 144 | } 145 | 146 | return YES; 147 | } 148 | 149 | #pragma mark - 150 | #pragma mark playback 151 | - (void) deleteTemporarySource 152 | { 153 | //dequeue a sourceID from the temporary sound queue 154 | NSUInteger tmpSourceID = [[temporarySounds objectAtIndex:0] unsignedIntegerValue]; 155 | [temporarySounds removeObjectAtIndex:0]; 156 | 157 | debug(@"Deleting temporary source: sourceID: %u, [temporarySounds count]:%u", tmpSourceID, [temporarySounds count]); 158 | //and delete the source to make it available again for another sound. 159 | alDeleteSources(1, &tmpSourceID); 160 | } 161 | 162 | - (BOOL) play 163 | { 164 | if([self isPlaying]) //see if the base source is busy... 165 | { 166 | //if so, create a new source 167 | NSUInteger tmpSourceID; 168 | alGenSources(1, &tmpSourceID); 169 | 170 | //attach the buffer to the source 171 | alSourcei(tmpSourceID, AL_BUFFER, bufferID); 172 | alSourcePlay(tmpSourceID); 173 | 174 | //add the sound id to the play queue so we can dispose of it later 175 | [temporarySounds addObject: [NSNumber numberWithUnsignedInteger:tmpSourceID]]; 176 | 177 | //a "callback" for when the sound is done playing +0.1 secs 178 | [self performSelector:@selector(deleteTemporarySource) 179 | withObject:nil 180 | afterDelay:(duration * pitch) + 0.1]; 181 | 182 | return ((error = alGetError()) != AL_NO_ERROR); 183 | } 184 | 185 | //if the base source isn't busy, just use that one... 186 | alSourcePlay(sourceID); 187 | return ((error = alGetError()) != AL_NO_ERROR); 188 | } 189 | 190 | - (BOOL) stop 191 | { 192 | alSourceStop(sourceID); 193 | return ((error = alGetError()) != AL_NO_ERROR); 194 | } 195 | 196 | - (BOOL) pause 197 | { 198 | alSourcePause(sourceID); 199 | return ((error = alGetError()) != AL_NO_ERROR); 200 | } 201 | 202 | - (BOOL) rewind 203 | { 204 | alSourceRewind(sourceID); 205 | return ((error = alGetError()) != AL_NO_ERROR); 206 | } 207 | 208 | // returns whether the BASE source is playing or not 209 | - (BOOL) isPlaying 210 | { 211 | ALenum state; 212 | alGetSourcei(sourceID, AL_SOURCE_STATE, &state); 213 | 214 | return (state == AL_PLAYING); 215 | } 216 | 217 | // returns YES if the base or any temporary sounds are playing... 218 | - (BOOL) isAnyPlaying 219 | { 220 | return [self isPlaying] || [temporarySounds count] > 0; 221 | } 222 | 223 | #pragma mark - 224 | #pragma mark properties 225 | - (ALfloat) volume 226 | { 227 | return volume; 228 | } 229 | 230 | - (void) setVolume:(ALfloat)newVolume 231 | { 232 | volume = MAX(MIN(newVolume, 1.0f), 0.0f); //cap to 0-1 233 | alSourcef(sourceID, AL_GAIN, volume); 234 | 235 | //now set the volume for any temporary sounds... 236 | 237 | for(NSNumber *tmpSourceID in temporarySounds) 238 | { 239 | //tmpSourceID is the source ID for the temporary sound 240 | alSourcef([tmpSourceID unsignedIntegerValue], AL_GAIN, volume); 241 | } 242 | } 243 | 244 | - (ALfloat) pitch 245 | { 246 | return pitch; 247 | } 248 | 249 | - (void) setPitch:(ALfloat)newPitch 250 | { 251 | pitch = newPitch; 252 | 253 | alSourcef(sourceID, AL_PITCH, pitch); 254 | 255 | for(NSNumber *tmpSourceID in temporarySounds) 256 | { 257 | //tmpSourceID is the source ID for the temporary sound 258 | alSourcef([tmpSourceID unsignedIntegerValue], AL_PITCH, pitch); 259 | } 260 | } 261 | @end 262 | -------------------------------------------------------------------------------- /Classes/CMOpenALSoundManager.h: -------------------------------------------------------------------------------- 1 | // 2 | // CMOpenALSoundManager.h 3 | // 4 | // Created by Alex Restrepo on 5/19/09. 5 | // Copyright 2009 Colombiamug. All rights reserved. 6 | // 7 | // Portions of this code are adapted from Apple's oalTouch example and 8 | // http://www.gehacktes.net/2009/03/iphone-programming-part-6-multiple-sounds-with-openal/ 9 | // 10 | // This code is released under the creative commons attribution-share alike licence, meaning: 11 | // 12 | // Attribution - You must attribute the work in the manner specified by the author or licensor 13 | // (but not in any way that suggests that they endorse you or your use of the work). 14 | // In this case, simple credit somewhere in your app or documentation will suffice. 15 | // 16 | // Share Alike - If you alter, transform, or build upon this work, you may distribute the resulting 17 | // work only under the same, similar or a compatible license. 18 | // Simply put, if you improve upon it, share! 19 | // 20 | // http://creativecommons.org/licenses/by-sa/3.0/us/ 21 | 22 | #import 23 | #import 24 | #import 25 | #import 26 | #import 27 | 28 | #define USE_AS_SINGLETON 0 //Set this to 0 if you want to use this class as a regular class instead of as a singleton. 29 | 30 | @class CMOpenALSound; 31 | 32 | @interface CMOpenALSoundManager : NSObject 33 | { 34 | AVAudioPlayer *backgroundAudio; // background music 35 | 36 | NSMutableDictionary *soundDictionary; // stores our soundkeys 37 | NSArray *soundFileNames; // array that holds the filenames for the sounds, they will be referenced by index 38 | 39 | BOOL isiPodAudioPlaying; // ipod playing music? 40 | 41 | float backgroundMusicVolume; 42 | float soundEffectsVolume; 43 | 44 | BOOL interrupted; 45 | NSString *currentBackgroundAudioFile; 46 | } 47 | 48 | @property (nonatomic, retain) NSArray *soundFileNames; 49 | @property (nonatomic, readonly) BOOL isiPodAudioPlaying; 50 | @property (nonatomic) float backgroundMusicVolume; 51 | @property (nonatomic) float soundEffectsVolume; 52 | 53 | #if USE_AS_SINGLETON 54 | + (CMOpenALSoundManager *) sharedCMOpenALSoundManager; 55 | #endif 56 | 57 | - (void) purgeSounds; // purges all sounds from memory, in case of a memory warning... 58 | - (void) beginInterruption; // handle os sound interruptions 59 | - (void) endInterruption; 60 | 61 | - (void) playBackgroundMusic:(NSString *)file; //file is the filename to play (from your main bundle) 62 | - (void) playBackgroundMusic:(NSString *)file forcePlay:(BOOL)forcePlay; //if forcePlay is YES, iPod audio will be stopped. 63 | - (void) stopBackgroundMusic; 64 | - (void) pauseBackgroundMusic; 65 | - (void) resumeBackgroundMusic; 66 | 67 | - (void) playSoundWithID:(NSUInteger)soundID; //id is the index in the sound filename array 68 | - (void) stopSoundWithID:(NSUInteger)soundID; 69 | - (void) pauseSoundWithID:(NSUInteger)soundID; 70 | - (void) rewindSoundWithID:(NSUInteger)soundID; 71 | 72 | - (BOOL) isPlayingSoundWithID:(NSUInteger)soundID; 73 | - (BOOL) isBackGroundMusicPlaying; 74 | @end 75 | -------------------------------------------------------------------------------- /Classes/CMOpenALSoundManager.m: -------------------------------------------------------------------------------- 1 | // 2 | // CMOpenALSoundManager.m 3 | // 4 | // Created by Alex Restrepo on 5/19/09. 5 | // Copyright 2009 Colombiamug. All rights reserved. 6 | // 7 | // Portions of this code are adapted from Apple's oalTouch example and 8 | // http://www.gehacktes.net/2009/03/iphone-programming-part-6-multiple-sounds-with-openal/ 9 | // 10 | // This code is released under the creative commons attribution-share alike licence, meaning: 11 | // 12 | // Attribution - You must attribute the work in the manner specified by the author or licensor 13 | // (but not in any way that suggests that they endorse you or your use of the work). 14 | // In this case, simple credit somewhere in your app or documentation will suffice. 15 | // 16 | // Share Alike - If you alter, transform, or build upon this work, you may distribute the resulting 17 | // work only under the same, similar or a compatible license. 18 | // Simply put, if you improve upon it, share! 19 | // 20 | // http://creativecommons.org/licenses/by-sa/3.0/us/ 21 | 22 | #import "CMOpenALSoundManager.h" 23 | #import "CMOpenALSound.h" 24 | #import "SynthesizeSingleton.h" 25 | #import "DebugOutput.h" 26 | 27 | @interface CMOpenALSoundManager() 28 | @property (nonatomic, retain) NSMutableDictionary *soundDictionary; 29 | @property (nonatomic, retain) AVAudioPlayer *backgroundAudio; 30 | @property (nonatomic) BOOL interrupted; 31 | @property (nonatomic) BOOL isiPodAudioPlaying; 32 | @property (nonatomic, copy) NSString *currentBackgroundAudioFile; 33 | @end 34 | 35 | @interface CMOpenALSoundManager(private) 36 | - (NSString *) keyForSoundID:(NSUInteger)soundID; 37 | - (void) setupAudioCategorySilenceIpod:(BOOL)silenceIpod; 38 | - (void) shutdownOpenAL; 39 | - (BOOL) startupOpenAL; 40 | @end 41 | 42 | //audio interruption callback... 43 | void interruptionListenerCallback (void *inUserData, UInt32 interruptionState) 44 | { 45 | CMOpenALSoundManager *soundMgr = (CMOpenALSoundManager *) inUserData; 46 | 47 | if (interruptionState == kAudioSessionBeginInterruption) 48 | { 49 | debug(@"Start audio interruption"); 50 | [soundMgr beginInterruption]; 51 | soundMgr.interrupted = YES; 52 | } 53 | else if ((interruptionState == kAudioSessionEndInterruption) && soundMgr.interrupted) 54 | { 55 | debug(@"Stop audio interruption"); 56 | [soundMgr endInterruption]; 57 | soundMgr.interrupted = NO; 58 | } 59 | } 60 | 61 | @implementation CMOpenALSoundManager 62 | @synthesize soundDictionary, soundFileNames, backgroundAudio, isiPodAudioPlaying, interrupted, currentBackgroundAudioFile; 63 | 64 | #if USE_AS_SINGLETON 65 | SYNTHESIZE_SINGLETON_FOR_CLASS(CMOpenALSoundManager); 66 | #endif 67 | 68 | #pragma mark - 69 | #pragma mark init/dealloc 70 | - (id) init 71 | { 72 | self = [super init]; 73 | if (self != nil) 74 | { 75 | //create audio session. 76 | OSStatus status = AudioSessionInitialize(NULL, NULL, interruptionListenerCallback, self); 77 | if (status != kAudioSessionNoError) 78 | { 79 | debug(@"AudioSessionInitialize failed! %d", status); 80 | } 81 | 82 | self.soundDictionary = [NSMutableDictionary dictionary]; 83 | self.soundEffectsVolume = 1.0; 84 | self.backgroundMusicVolume = 1.0; 85 | 86 | //isiPodAudioPlaying = YES; 87 | [self endInterruption]; 88 | } 89 | return self; 90 | } 91 | 92 | // start up openAL 93 | -(BOOL) startupOpenAL 94 | { 95 | ALCcontext *context = NULL; 96 | ALCdevice *device = NULL; 97 | 98 | // Initialization 99 | device = alcOpenDevice(NULL); // select the "preferred device" 100 | if(!device) return NO; 101 | 102 | // use the device to make a context 103 | context = alcCreateContext(device, NULL); 104 | if(!context) return NO; 105 | 106 | // set my context to the currently active one 107 | alcMakeContextCurrent(context); 108 | 109 | debug(@"oal inited ok"); 110 | return YES; 111 | } 112 | 113 | - (void) dealloc 114 | { 115 | debug(@"CMOpenALSoundManager dealloc"); 116 | 117 | [self shutdownOpenAL]; 118 | 119 | [backgroundAudio release]; 120 | [soundFileNames release]; 121 | [soundDictionary release]; 122 | [currentBackgroundAudioFile release]; 123 | 124 | [super dealloc]; 125 | } 126 | 127 | - (void) shutdownOpenAL 128 | { 129 | //self.backgroundAudio = nil; 130 | //self.soundFileNames = nil; 131 | //self.soundDictionary = nil; 132 | 133 | ALCcontext *context = NULL; 134 | ALCdevice *device = NULL; 135 | 136 | //Get active context (there can only be one) 137 | context = alcGetCurrentContext(); 138 | 139 | //Get device for active context 140 | device = alcGetContextsDevice(context); 141 | 142 | //Release context 143 | alcDestroyContext(context); 144 | 145 | //Close device 146 | alcCloseDevice(device); 147 | } 148 | 149 | #pragma mark - 150 | #pragma mark audio session mgmt 151 | 152 | - (void) beginInterruption 153 | { 154 | debug(@"begin interruption"); 155 | [self stopBackgroundMusic]; 156 | [self purgeSounds]; 157 | [self shutdownOpenAL]; 158 | 159 | if(!self.isiPodAudioPlaying) 160 | { 161 | UInt32 sessionCategory = kAudioSessionCategory_MediaPlayback; 162 | AudioSessionSetProperty(kAudioSessionProperty_AudioCategory, sizeof(sessionCategory), &sessionCategory); 163 | AudioSessionSetActive(YES); 164 | } 165 | else 166 | { 167 | UInt32 sessionCategory = kAudioSessionCategory_UserInterfaceSoundEffects; 168 | AudioSessionSetProperty(kAudioSessionProperty_AudioCategory, sizeof(sessionCategory), &sessionCategory); 169 | AudioSessionSetActive(YES); 170 | } 171 | 172 | AudioSessionSetActive(NO); 173 | } 174 | 175 | - (void) endInterruption 176 | { 177 | debug(@"end interruption"); 178 | [self setupAudioCategorySilenceIpod: NO]; 179 | [self startupOpenAL]; 180 | 181 | AudioSessionSetActive(YES); 182 | } 183 | 184 | - (void) setupAudioCategorySilenceIpod:(BOOL)silenceIpod; 185 | { 186 | UInt32 audioIsAlreadyPlaying; 187 | UInt32 propertySize = sizeof(audioIsAlreadyPlaying); 188 | 189 | 190 | //query audio hw to see if ipod is playing... 191 | OSStatus err = AudioSessionGetProperty(kAudioSessionProperty_OtherAudioIsPlaying, &propertySize, &audioIsAlreadyPlaying); 192 | if(err) 193 | debug(@"AudioSessionGetProperty error:%i",err); 194 | 195 | debug(@"kAudioSessionProperty_OtherAudioIsPlaying = %@", audioIsAlreadyPlaying ? @"YES" : @"NO"); 196 | 197 | if(audioIsAlreadyPlaying && !silenceIpod) 198 | { 199 | self.isiPodAudioPlaying = YES; 200 | 201 | //register session as ambient sound so our effects mix with ipod audio 202 | UInt32 sessionCategory = kAudioSessionCategory_AmbientSound; 203 | AudioSessionSetProperty(kAudioSessionProperty_AudioCategory, sizeof(sessionCategory), &sessionCategory); 204 | } 205 | else 206 | { 207 | self.isiPodAudioPlaying = NO; 208 | 209 | //register session as solo ambient sound so the ipod is silenced, and we can use hardware codecs for background audio 210 | UInt32 sessionCategory = kAudioSessionCategory_SoloAmbientSound; 211 | AudioSessionSetProperty(kAudioSessionProperty_AudioCategory, sizeof(sessionCategory), &sessionCategory); 212 | } 213 | } 214 | 215 | #pragma mark - 216 | #pragma mark cleanup 217 | - (void) purgeSounds 218 | { 219 | //call this if you get a memory warning, to unload all sounds from memory 220 | [self.soundDictionary removeAllObjects]; 221 | 222 | //if there's a background audio that's not playing, remove that too... 223 | if(![backgroundAudio isPlaying]) 224 | { 225 | self.backgroundAudio = nil; 226 | self.currentBackgroundAudioFile = nil; 227 | } 228 | } 229 | 230 | #pragma mark - 231 | #pragma mark background music playback 232 | // plays a file as the background audio... 233 | - (void) playBackgroundMusic:(NSString *)file 234 | { 235 | [self playBackgroundMusic:file forcePlay:NO]; 236 | } 237 | 238 | - (void) playBackgroundMusic:(NSString *)file forcePlay:(BOOL)forcePlay 239 | { 240 | if(forcePlay) //if we want to kill other audio sources, like the iPod... 241 | { 242 | [backgroundAudio stop]; //if there's audio already playing... 243 | [self setupAudioCategorySilenceIpod:YES]; 244 | } 245 | 246 | if(isiPodAudioPlaying) //if other background audio is playing bail out... 247 | { 248 | debug(@"Sry, ipod is playing... can't play file %@",file); 249 | return; 250 | } 251 | 252 | if(self.backgroundAudio && [self.currentBackgroundAudioFile isEqualToString:file]) 253 | { 254 | [self.backgroundAudio play]; 255 | return; //already playing 256 | } 257 | 258 | NSString *soundFilePath = [[NSBundle mainBundle] pathForResource: [file stringByDeletingPathExtension] 259 | ofType: [file pathExtension]]; 260 | 261 | NSURL *fileURL = [[NSURL alloc] initFileURLWithPath: soundFilePath]; 262 | 263 | NSError *error = nil; 264 | AVAudioPlayer *player = [[AVAudioPlayer alloc] initWithContentsOfURL:fileURL 265 | error:&error]; 266 | 267 | [fileURL release]; 268 | 269 | if(error) 270 | { 271 | //TODO:chequear por errores 272 | debug(@"***** ERROR creando backgroundMusicPlayer file:%@", file); 273 | [player release]; 274 | return; 275 | } 276 | 277 | self.currentBackgroundAudioFile = file; 278 | [player setNumberOfLoops:-1]; //loop forever 279 | player.volume = backgroundMusicVolume; 280 | [player play]; 281 | 282 | self.backgroundAudio = player; 283 | [player release]; 284 | } 285 | 286 | - (void) stopBackgroundMusic 287 | { 288 | [backgroundAudio stop]; 289 | } 290 | 291 | - (void) pauseBackgroundMusic 292 | { 293 | [backgroundAudio pause]; 294 | } 295 | 296 | - (void) resumeBackgroundMusic 297 | { 298 | [backgroundAudio play]; 299 | } 300 | 301 | #pragma mark - 302 | #pragma mark effects playback 303 | // grab the filename (key) from the filenames array 304 | - (NSString *) keyForSoundID:(NSUInteger)soundID 305 | { 306 | if(soundID < 0 || soundID >= [soundFileNames count]) 307 | return nil; 308 | 309 | return [[soundFileNames objectAtIndex:soundID] lastPathComponent]; 310 | } 311 | 312 | - (void) playSoundWithID:(NSUInteger)soundID 313 | { 314 | //get sound key 315 | NSString *soundFile = [self keyForSoundID:soundID]; 316 | if(!soundFile) return; 317 | 318 | CMOpenALSound *sound = [soundDictionary objectForKey:soundFile]; 319 | 320 | if(!sound) 321 | { 322 | //create a new sound 323 | sound = [[CMOpenALSound alloc] initWithSoundFile:soundFile doesLoop:NO]; //this will return nil on failure 324 | 325 | if(!sound) //error 326 | return; 327 | 328 | [soundDictionary setObject:sound forKey:soundFile]; 329 | [sound release]; 330 | } 331 | 332 | [sound play]; 333 | sound.volume = self.soundEffectsVolume; 334 | } 335 | 336 | - (void) stopSoundWithID:(NSUInteger)soundID 337 | { 338 | NSString *soundFile = [self keyForSoundID:soundID]; 339 | if(!soundFile) return; 340 | 341 | CMOpenALSound *sound = [soundDictionary objectForKey:soundFile]; 342 | [sound stop]; 343 | } 344 | 345 | - (void) pauseSoundWithID:(NSUInteger)soundID 346 | { 347 | NSString *soundFile = [self keyForSoundID:soundID]; 348 | if(!soundFile) return; 349 | 350 | CMOpenALSound *sound = [soundDictionary objectForKey:soundFile]; 351 | [sound stop]; 352 | } 353 | 354 | - (void) rewindSoundWithID:(NSUInteger)soundID 355 | { 356 | NSString *soundFile = [self keyForSoundID:soundID]; 357 | if(!soundFile) return; 358 | 359 | CMOpenALSound *sound = [soundDictionary objectForKey:soundFile]; 360 | [sound rewind]; 361 | } 362 | 363 | - (BOOL) isPlayingSoundWithID:(NSUInteger)soundID 364 | { 365 | NSString *soundFile = [self keyForSoundID:soundID]; 366 | if(!soundFile) return NO; 367 | 368 | CMOpenALSound *sound = [soundDictionary objectForKey:soundFile]; 369 | return [sound isAnyPlaying]; 370 | } 371 | 372 | - (BOOL) isBackGroundMusicPlaying 373 | { 374 | return [backgroundAudio isPlaying]; 375 | } 376 | 377 | #pragma mark - 378 | #pragma mark properties 379 | - (float) backgroundMusicVolume 380 | { 381 | return backgroundMusicVolume; 382 | } 383 | 384 | - (void) setBackgroundMusicVolume:(float) newVolume 385 | { 386 | backgroundMusicVolume = newVolume; 387 | backgroundAudio.volume = newVolume; 388 | } 389 | 390 | - (float) soundEffectsVolume 391 | { 392 | return soundEffectsVolume; 393 | } 394 | 395 | - (void) setSoundEffectsVolume:(float) newVolume 396 | { 397 | soundEffectsVolume = newVolume; 398 | for(NSString *key in soundDictionary) 399 | { 400 | ((CMOpenALSound *)[soundDictionary objectForKey:key]).volume = newVolume; 401 | } 402 | } 403 | @end 404 | -------------------------------------------------------------------------------- /Classes/DebugOutput.h: -------------------------------------------------------------------------------- 1 | /************************************************************************ 2 | * DebugOutput.h 3 | * 4 | * Definitions for DebugOutput class 5 | * John Muchow 6 | * http://iphonedevelopertips.com/cocoa/filename-and-line-number-with-nslog-part-ii.html 7 | ************************************************************************/ 8 | 9 | // Show full path of filename? 10 | #define DEBUG_SHOW_FULLPATH NO 11 | 12 | // Enable debug (NSLog) wrapper code? 13 | #define DEBUG 1 14 | 15 | //Use NSLog or CFShow 16 | #define USE_NSLOG 0 17 | 18 | #if DEBUG 19 | #define debug(format,...) [[DebugOutput sharedDebug] output:__FILE__ lineNumber:__LINE__ input:(format), ##__VA_ARGS__] 20 | #else 21 | #define debug(format,...) 22 | #endif 23 | 24 | @interface DebugOutput : NSObject 25 | { 26 | } 27 | + (DebugOutput *) sharedDebug; 28 | -(void)output:(char*)fileName lineNumber:(int)lineNumber input:(NSString*)input, ...; 29 | @end 30 | -------------------------------------------------------------------------------- /Classes/DebugOutput.m: -------------------------------------------------------------------------------- 1 | /************************************************************************ 2 | * DebugOutput.m 3 | * 4 | * Singleton class for wrapping NSLog messages, adding functionality 5 | * for displaying filename and line numbers. Also includes configuration 6 | * options to "turn off" all debug (NSLog) messages 7 | ************************************************************************/ 8 | #import "DebugOutput.h" 9 | 10 | @implementation DebugOutput 11 | 12 | static DebugOutput *sharedDebugInstance = nil; 13 | 14 | /*---------------------------------------------------------------------*/ 15 | + (DebugOutput *) sharedDebug 16 | { 17 | @synchronized(self) 18 | { 19 | if (sharedDebugInstance == nil) 20 | { 21 | [[self alloc] init]; 22 | } 23 | } 24 | return sharedDebugInstance; 25 | } 26 | 27 | /*---------------------------------------------------------------------*/ 28 | + (id) allocWithZone:(NSZone *) zone 29 | { 30 | @synchronized(self) 31 | { 32 | if (sharedDebugInstance == nil) 33 | { 34 | sharedDebugInstance = [super allocWithZone:zone]; 35 | return sharedDebugInstance; 36 | } 37 | } 38 | return nil; 39 | } 40 | 41 | /*---------------------------------------------------------------------*/ 42 | - (id)copyWithZone:(NSZone *)zone 43 | { 44 | return self; 45 | } 46 | 47 | /*---------------------------------------------------------------------*/ 48 | - (id)retain 49 | { 50 | return self; 51 | } 52 | 53 | /*---------------------------------------------------------------------*/ 54 | - (oneway void)release 55 | { 56 | // No action required... 57 | } 58 | 59 | /*---------------------------------------------------------------------*/ 60 | - (unsigned)retainCount 61 | { 62 | return UINT_MAX; // An object that cannot be released 63 | } 64 | 65 | /*---------------------------------------------------------------------*/ 66 | - (id)autorelease 67 | { 68 | return self; 69 | } 70 | 71 | /*---------------------------------------------------------------------*/ 72 | -(void)output:(char*)fileName lineNumber:(int)lineNumber input:(NSString*)input, ... 73 | { 74 | va_list argList; 75 | NSString *filePath, *formatStr; 76 | 77 | // Build the path string 78 | filePath = [[NSString alloc] initWithBytes:fileName length:strlen(fileName) encoding:NSUTF8StringEncoding]; 79 | 80 | // Process arguments, resulting in a format string 81 | va_start(argList, input); 82 | formatStr = [[NSString alloc] initWithFormat:input arguments:argList]; 83 | va_end(argList); 84 | 85 | 86 | // Call NSLog, prepending the filename and line number 87 | #if USE_NSLOG 88 | NSLog(@"%s[%d]: %@",[((DEBUG_SHOW_FULLPATH) ? filePath : [filePath lastPathComponent]) UTF8String], lineNumber, formatStr); 89 | #else 90 | CFShow([NSString stringWithFormat: @"%s[%d]: %@",[((DEBUG_SHOW_FULLPATH) ? filePath : [filePath lastPathComponent]) UTF8String], lineNumber, formatStr]); 91 | #endif 92 | 93 | [filePath release]; 94 | [formatStr release]; 95 | } 96 | 97 | @end -------------------------------------------------------------------------------- /Classes/RootViewController.h: -------------------------------------------------------------------------------- 1 | // 2 | // RootViewController.h 3 | // AudioSample 4 | // 5 | // Created by Alex Restrepo on 9/14/09. 6 | // Copyright Brainchild 2009. All rights reserved. 7 | // 8 | 9 | @class CMOpenALSoundManager; 10 | @interface RootViewController : UITableViewController { 11 | CMOpenALSoundManager *soundMgr; 12 | } 13 | 14 | @end 15 | -------------------------------------------------------------------------------- /Classes/RootViewController.m: -------------------------------------------------------------------------------- 1 | // 2 | // RootViewController.m 3 | // AudioSample 4 | // 5 | // Created by Alex Restrepo on 9/14/09. 6 | // Copyright Brainchild 2009. All rights reserved. 7 | // 8 | // This code is released under the creative commons attribution-share alike licence, meaning: 9 | // 10 | // Attribution - You must attribute the work in the manner specified by the author or licensor 11 | // (but not in any way that suggests that they endorse you or your use of the work). 12 | // In this case, simple credit somewhere in your app or documentation will suffice. 13 | // 14 | // Share Alike - If you alter, transform, or build upon this work, you may distribute the resulting 15 | // work only under the same, similar or a compatible license. 16 | // Simply put, if you improve upon it, share! 17 | // 18 | // http://creativecommons.org/licenses/by-sa/3.0/us/ 19 | 20 | #import "RootViewController.h" 21 | #import "CMOpenALSoundManager.h" 22 | 23 | enum mySoundIds { 24 | AUDIOEFFECT 25 | }; 26 | 27 | @interface RootViewController() 28 | @property (nonatomic, retain) CMOpenALSoundManager *soundMgr; 29 | @end 30 | 31 | @implementation RootViewController 32 | @synthesize soundMgr; 33 | 34 | - (void)viewDidLoad { 35 | [super viewDidLoad]; 36 | 37 | self.title = @"Audio Sample"; 38 | 39 | //start the audio manager... 40 | self.soundMgr = [[[CMOpenALSoundManager alloc] init] autorelease]; 41 | soundMgr.soundFileNames = [NSArray arrayWithObject:@"Start.caf"]; 42 | } 43 | 44 | 45 | - (void)viewWillAppear:(BOOL)animated { 46 | [super viewWillAppear:animated]; 47 | 48 | // start background music 49 | [soundMgr playBackgroundMusic:@"backgroundLoop.m4a"]; // you could use forcePlay: YES if you wanted to stop any other audio source (iPod) 50 | } 51 | 52 | 53 | #pragma mark Table view methods 54 | 55 | - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { 56 | return 4; 57 | } 58 | 59 | // Customize the number of rows in the table view. 60 | - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { 61 | return 1; 62 | } 63 | 64 | - (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section 65 | { 66 | if(section == 0) 67 | return @"Background Audio Volume"; 68 | else if(section == 1) 69 | return @"Effects volume"; 70 | 71 | else return nil; 72 | } 73 | 74 | // Customize the appearance of table view cells. 75 | - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { 76 | 77 | static NSString *CellIdentifier = @"Cell"; 78 | 79 | UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; 80 | if (cell == nil) { 81 | cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; 82 | 83 | // create a slider for the first 2 sections only 84 | if(indexPath.section < 2) 85 | { 86 | UISlider *slider; 87 | slider = [[UISlider alloc] initWithFrame:CGRectMake(5.0, 0.0, cell.bounds.size.width - cell.indentationWidth * 2.0, cell.bounds.size.height)]; 88 | slider.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight; 89 | slider.minimumValueImage = [UIImage imageNamed:@"volumedown.png"]; 90 | slider.maximumValueImage = [UIImage imageNamed:@"volumeup.png"]; 91 | 92 | slider.maximumValue = 1.0; 93 | slider.minimumValue = 0.0; 94 | slider.value = 1.0; // in a real app you should read this value from the user defaults 95 | 96 | if(indexPath.section == 0) 97 | { 98 | [slider addTarget:self action:@selector(musicVolume:) forControlEvents:UIControlEventValueChanged]; 99 | slider.enabled = !soundMgr.isiPodAudioPlaying; // disable the slider if the ipod is playing... 100 | } 101 | else 102 | [slider addTarget:self action:@selector(effectsVolume:) forControlEvents:UIControlEventValueChanged]; 103 | 104 | 105 | [cell.contentView addSubview:slider]; 106 | [slider release]; 107 | } 108 | } 109 | 110 | // Configure the cell. 111 | if(indexPath.section == 2) 112 | { 113 | cell.textLabel.text = @"Play sound effect"; 114 | cell.textLabel.textAlignment = UITextAlignmentCenter; 115 | } 116 | else if(indexPath.section == 3) 117 | { 118 | cell.textLabel.text = @"Play/Pause background music"; 119 | cell.textLabel.textAlignment = UITextAlignmentCenter; 120 | } 121 | 122 | return cell; 123 | } 124 | 125 | - (void) musicVolume:(id)sender 126 | { 127 | soundMgr.backgroundMusicVolume = ((UISlider *)sender).value; 128 | } 129 | 130 | - (void) effectsVolume:(id)sender 131 | { 132 | soundMgr.soundEffectsVolume = ((UISlider *)sender).value; 133 | } 134 | 135 | 136 | // Override to support row selection in the table view. 137 | - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { 138 | if(indexPath.section < 2) return; 139 | 140 | [tableView deselectRowAtIndexPath:indexPath animated:YES]; 141 | 142 | if (indexPath.section == 2) { 143 | // play our sound effect 144 | [soundMgr playSoundWithID:AUDIOEFFECT]; 145 | return; 146 | } 147 | 148 | if ([soundMgr isBackGroundMusicPlaying]) 149 | { 150 | [soundMgr pauseBackgroundMusic]; 151 | } 152 | else 153 | { 154 | [soundMgr resumeBackgroundMusic]; 155 | } 156 | 157 | } 158 | 159 | - (void)dealloc { 160 | [soundMgr release]; 161 | [super dealloc]; 162 | } 163 | 164 | 165 | @end 166 | 167 | -------------------------------------------------------------------------------- /Classes/SynthesizeSingleton.h: -------------------------------------------------------------------------------- 1 | // 2 | // SynthesizeSingleton.h 3 | // CocoaWithLove 4 | // 5 | // Created by Matt Gallagher on 20/10/08. 6 | // Copyright 2009 Matt Gallagher. All rights reserved. 7 | // http://cocoawithlove.com/2008/11/singletons-appdelegates-and-top-level.html 8 | // 9 | // Permission is given to use this source code file without charge in any 10 | // project, commercial or otherwise, entirely at your risk, with the condition 11 | // that any redistribution (in part or whole) of source code must retain 12 | // this copyright and permission notice. Attribution in compiled projects is 13 | // appreciated but not required. 14 | // 15 | 16 | #define SYNTHESIZE_SINGLETON_FOR_CLASS(classname) \ 17 | \ 18 | static classname *shared##classname = nil; \ 19 | \ 20 | + (classname *)shared##classname \ 21 | { \ 22 | @synchronized(self) \ 23 | { \ 24 | if (shared##classname == nil) \ 25 | { \ 26 | shared##classname = [[self alloc] init]; \ 27 | } \ 28 | } \ 29 | \ 30 | return shared##classname; \ 31 | } \ 32 | \ 33 | + (id)allocWithZone:(NSZone *)zone \ 34 | { \ 35 | @synchronized(self) \ 36 | { \ 37 | if (shared##classname == nil) \ 38 | { \ 39 | shared##classname = [super allocWithZone:zone]; \ 40 | return shared##classname; \ 41 | } \ 42 | } \ 43 | \ 44 | return nil; \ 45 | } \ 46 | \ 47 | - (id)copyWithZone:(NSZone *)zone \ 48 | { \ 49 | return self; \ 50 | } \ 51 | \ 52 | - (id)retain \ 53 | { \ 54 | return self; \ 55 | } \ 56 | \ 57 | - (NSUInteger)retainCount \ 58 | { \ 59 | return NSUIntegerMax; \ 60 | } \ 61 | \ 62 | - (void)release \ 63 | { \ 64 | } \ 65 | \ 66 | - (id)autorelease \ 67 | { \ 68 | return self; \ 69 | } 70 | -------------------------------------------------------------------------------- /License: -------------------------------------------------------------------------------- 1 | `License` 2 | Copyright (c) 2012, Alex Restrepo - KZLabs 3 | All rights reserved. 4 | 5 | Redistribution and use in source and binary forms, with or without 6 | modification, are permitted provided that the following conditions are met: 7 | 8 | 1. Redistributions of source code must retain the above copyright notice, this 9 | list of conditions and the following disclaimer. 10 | 2. Redistributions in binary form must reproduce the above copyright notice, 11 | this list of conditions and the following disclaimer in the documentation 12 | and/or other materials provided with the distribution. 13 | 14 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 15 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 18 | ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 23 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 | -------------------------------------------------------------------------------- /MainWindow.xib: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 784 5 | 10A394 6 | 732 7 | 1027.1 8 | 430.00 9 |

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