├── .gitattributes ├── .gitignore ├── README.md ├── WaveDemo.xcodeproj ├── project.pbxproj └── project.xcworkspace │ └── contents.xcworkspacedata └── WaveDemo ├── AppDelegate.swift ├── Assets.xcassets └── AppIcon.appiconset │ └── Contents.json ├── AudioRecord.swift ├── Base.lproj ├── LaunchScreen.storyboard └── Main.storyboard ├── Info.plist ├── ViewController.swift ├── WaveDemo-Bridging-Header.h ├── WaveView.swift └── lame.framework ├── Headers └── lame.h └── lame /.gitattributes: -------------------------------------------------------------------------------- 1 | *.h linguist-language=swift 2 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Xcode 2 | # 3 | # gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore 4 | 5 | ## Build generated 6 | build/ 7 | DerivedData/ 8 | 9 | ## Various settings 10 | *.pbxuser 11 | !default.pbxuser 12 | *.mode1v3 13 | !default.mode1v3 14 | *.mode2v3 15 | !default.mode2v3 16 | *.perspectivev3 17 | !default.perspectivev3 18 | xcuserdata/ 19 | 20 | ## Other 21 | *.moved-aside 22 | *.xccheckout 23 | *.xcscmblueprint 24 | 25 | ## Obj-C/Swift specific 26 | *.hmap 27 | *.ipa 28 | *.dSYM.zip 29 | *.dSYM 30 | 31 | ## Playgrounds 32 | timeline.xctimeline 33 | playground.xcworkspace 34 | 35 | # Swift Package Manager 36 | # 37 | # Add this line if you want to avoid checking in source code from Swift Package Manager dependencies. 38 | # Packages/ 39 | # Package.pins 40 | .build/ 41 | 42 | # CocoaPods 43 | # 44 | # We recommend against adding the Pods directory to your .gitignore. However 45 | # you should judge for yourself, the pros and cons are mentioned at: 46 | # https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control 47 | # 48 | # Pods/ 49 | 50 | # Carthage 51 | # 52 | # Add this line if you want to avoid checking in source code from Carthage dependencies. 53 | # Carthage/Checkouts 54 | 55 | Carthage/Build 56 | 57 | # fastlane 58 | # 59 | # It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the 60 | # screenshots whenever they are needed. 61 | # For more information about the recommended setup visit: 62 | # https://docs.fastlane.tools/best-practices/source-control/#source-control 63 | 64 | fastlane/report.xml 65 | fastlane/Preview.html 66 | fastlane/screenshots 67 | fastlane/test_output 68 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # WaveDemo 2 | 使用AVAudioEngine录音, 并回执声波图(调参) 3 | 4 | 修复 5 | * 音频现在可以正常录制了 6 | 7 | 已知问题 8 | * AVAudioEngine没有提供默认的**音量**获取方式, 需要自行计算(sf上找了,但是,怎么调呢...) 9 | > waveView需要调参, 使曲线**平滑** 10 | 11 | 相关链接[iOS端音频边录边转和声波图的实现](http://www.jianshu.com/p/dbd8c4748e8d) 12 | -------------------------------------------------------------------------------- /WaveDemo.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 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All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | @UIApplicationMain 12 | class AppDelegate: UIResponder, UIApplicationDelegate { 13 | 14 | var window: UIWindow? 15 | 16 | 17 | func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool { 18 | // Override point for customization after application launch. 19 | return true 20 | } 21 | 22 | func applicationWillResignActive(_ application: UIApplication) { 23 | // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state. 24 | // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game. 25 | } 26 | 27 | func applicationDidEnterBackground(_ application: UIApplication) { 28 | // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. 29 | // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits. 30 | } 31 | 32 | func applicationWillEnterForeground(_ application: UIApplication) { 33 | // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background. 34 | } 35 | 36 | func applicationDidBecomeActive(_ application: UIApplication) { 37 | // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface. 38 | } 39 | 40 | func applicationWillTerminate(_ application: UIApplication) { 41 | // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. 42 | } 43 | 44 | 45 | } 46 | 47 | -------------------------------------------------------------------------------- /WaveDemo/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "size" : "20x20", 6 | "scale" : "2x" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "size" : "20x20", 11 | "scale" : "3x" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "size" : "29x29", 16 | "scale" : "2x" 17 | }, 18 | { 19 | "idiom" : "iphone", 20 | "size" : "29x29", 21 | "scale" : "3x" 22 | }, 23 | { 24 | "idiom" : "iphone", 25 | "size" : "40x40", 26 | "scale" : "2x" 27 | }, 28 | { 29 | "idiom" : "iphone", 30 | "size" : "40x40", 31 | "scale" : "3x" 32 | }, 33 | { 34 | "idiom" : "iphone", 35 | "size" : "60x60", 36 | "scale" : "2x" 37 | }, 38 | { 39 | "idiom" : "iphone", 40 | "size" : "60x60", 41 | "scale" : "3x" 42 | }, 43 | { 44 | "idiom" : "ipad", 45 | "size" : "20x20", 46 | "scale" : "1x" 47 | }, 48 | { 49 | "idiom" : "ipad", 50 | "size" : "20x20", 51 | "scale" : "2x" 52 | }, 53 | { 54 | "idiom" : "ipad", 55 | "size" : "29x29", 56 | "scale" : "1x" 57 | }, 58 | { 59 | "idiom" : "ipad", 60 | "size" : "29x29", 61 | "scale" : "2x" 62 | }, 63 | { 64 | "idiom" : "ipad", 65 | "size" : "40x40", 66 | "scale" : "1x" 67 | }, 68 | { 69 | "idiom" : "ipad", 70 | "size" : "40x40", 71 | "scale" : "2x" 72 | }, 73 | { 74 | "idiom" : "ipad", 75 | "size" : "76x76", 76 | "scale" : "1x" 77 | }, 78 | { 79 | "idiom" : "ipad", 80 | "size" : "76x76", 81 | "scale" : "2x" 82 | }, 83 | { 84 | "idiom" : "ipad", 85 | "size" : "83.5x83.5", 86 | "scale" : "2x" 87 | } 88 | ], 89 | "info" : { 90 | "version" : 1, 91 | "author" : "xcode" 92 | } 93 | } -------------------------------------------------------------------------------- /WaveDemo/AudioRecord.swift: -------------------------------------------------------------------------------- 1 | // 2 | // AudioRecord.swift 3 | // WaveDemo 4 | // 5 | // Created by mac on 2017/8/11. 6 | // Copyright © 2017年 yolande. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | import AVFoundation 11 | import Accelerate 12 | 13 | protocol AudioRecordPortocol: NSObjectProtocol { 14 | func record(_ record: AudioRecord, voluem: Float) 15 | } 16 | 17 | class AudioRecord { 18 | 19 | public static let shared = AudioRecord() 20 | public weak var delegate: AudioRecordPortocol? 21 | private static let bufSize: Int = 4096 22 | private var engine: AVAudioEngine? 23 | private var lame: lame_t? 24 | private var mp3Buffer = UnsafeMutablePointer.allocate(capacity: bufSize) 25 | private var data = Data() 26 | 27 | private var averagePowerForChannel0: Float = 0.0 28 | private var averagePowerForChannel1: Float = 0.0 29 | 30 | private var minLevel: Float = 0.0 31 | private var maxLevel: Float = 0.0 32 | 33 | deinit { 34 | mp3Buffer.deallocate(capacity: AudioRecord.bufSize) 35 | } 36 | 37 | public func record() { 38 | let session = AVAudioSession.sharedInstance() 39 | do { 40 | try session.setCategory(AVAudioSessionCategoryPlayAndRecord) 41 | try session.setPreferredSampleRate(44100) 42 | try session.setPreferredIOBufferDuration(0.1) 43 | try session.setActive(true) 44 | initLame() 45 | } catch { 46 | print("seesion设置") 47 | return 48 | } 49 | 50 | guard let input = engine?.inputNode else { 51 | print("input获取") 52 | return 53 | } 54 | 55 | let format = input.inputFormat(forBus: 0) 56 | input.installTap(onBus: 0, bufferSize:AVAudioFrameCount(AudioRecord.bufSize) , format: format) { [weak self] (buffer, when) in 57 | 58 | guard let this = self else { 59 | return 60 | } 61 | 62 | if let buf = buffer.floatChannelData?[0] 63 | { 64 | let frameLength = Int32(buffer.frameLength) / 2 65 | let bytes = lame_encode_buffer_interleaved_ieee_float(this.lame, buf, frameLength, this.mp3Buffer, Int32(AudioRecord.bufSize)) 66 | 67 | let levelLowpassTrig: Float = 0.5 68 | var avgValue: Float32 = 0 69 | vDSP_meamgv(buf, 1, &avgValue, vDSP_Length(frameLength)) 70 | this.averagePowerForChannel0 = (levelLowpassTrig * ((avgValue==0) ? -100 : 20.0 * log10f(avgValue))) + ((1-levelLowpassTrig) * this.averagePowerForChannel0) 71 | 72 | let volume = min((this.averagePowerForChannel0 + Float(55))/55.0, 1.0) 73 | 74 | this.minLevel = min(this.minLevel, volume) 75 | this.maxLevel = max(this.maxLevel, volume) 76 | // 切回去, 更新UI 77 | DispatchQueue.main.async { 78 | this.delegate?.record(this, voluem: volume) 79 | } 80 | if bytes > 0 { 81 | this.data.append(this.mp3Buffer, count: Int(bytes)) 82 | } 83 | } 84 | } 85 | 86 | engine?.prepare() 87 | do { 88 | try engine?.start() 89 | } catch { 90 | print("engine启动") 91 | } 92 | } 93 | 94 | private func initLame() { 95 | 96 | engine = AVAudioEngine() 97 | guard let engine = engine, 98 | let input = engine.inputNode else { 99 | return 100 | } 101 | 102 | let format = input.inputFormat(forBus: 0) 103 | let sampleRate = Int32(format.sampleRate) / 2 104 | 105 | lame = lame_init() 106 | lame_set_in_samplerate(lame, sampleRate); 107 | lame_set_VBR_mean_bitrate_kbps(lame, 96); 108 | lame_set_VBR(lame, vbr_off); 109 | lame_init_params(lame); 110 | } 111 | 112 | public func stop() { 113 | print("min: \(self.minLevel)") 114 | print("max: \(self.maxLevel)") 115 | engine?.inputNode?.removeTap(onBus: 0) 116 | engine = nil 117 | do { 118 | var url = try FileManager.default.url(for: .cachesDirectory, in: .userDomainMask, appropriateFor: nil, create: false) 119 | let name = String(CACurrentMediaTime()).appending(".mp3") 120 | url.appendPathComponent(name) 121 | if !data.isEmpty { 122 | try data.write(to: url) 123 | } 124 | else { 125 | print("空文件") 126 | } 127 | } catch { 128 | print("文件操作") 129 | } 130 | data.removeAll() 131 | } 132 | 133 | } 134 | -------------------------------------------------------------------------------- /WaveDemo/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /WaveDemo/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 31 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | -------------------------------------------------------------------------------- /WaveDemo/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | LSRequiresIPhoneOS 22 | 23 | UILaunchStoryboardName 24 | LaunchScreen 25 | UIMainStoryboardFile 26 | Main 27 | UIRequiredDeviceCapabilities 28 | 29 | armv7 30 | 31 | UISupportedInterfaceOrientations 32 | 33 | UIInterfaceOrientationPortrait 34 | UIInterfaceOrientationLandscapeLeft 35 | UIInterfaceOrientationLandscapeRight 36 | 37 | UISupportedInterfaceOrientations~ipad 38 | 39 | UIInterfaceOrientationPortrait 40 | UIInterfaceOrientationPortraitUpsideDown 41 | UIInterfaceOrientationLandscapeLeft 42 | UIInterfaceOrientationLandscapeRight 43 | 44 | NSMicrophoneUsageDescription 45 | App需要您的同意,才能访问麦克风 46 | 47 | 48 | -------------------------------------------------------------------------------- /WaveDemo/ViewController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.swift 3 | // WaveDemo 4 | // 5 | // Created by mac on 2017/8/11. 6 | // Copyright © 2017年 yolande. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | class ViewController: UIViewController { 12 | 13 | @IBOutlet weak var waveView: WaveView! 14 | 15 | override func viewDidLoad() { 16 | super.viewDidLoad() 17 | // Do any additional setup after loading the view, typically from a nib. 18 | AudioRecord.shared.delegate = self 19 | waveView.waveColor = UIColor.red 20 | } 21 | @IBAction func record() { 22 | waveView.begin() 23 | AudioRecord.shared.record() 24 | } 25 | @IBAction func stop() { 26 | AudioRecord.shared.stop() 27 | waveView.stop() 28 | } 29 | } 30 | 31 | extension ViewController: AudioRecordPortocol { 32 | func record(_ record: AudioRecord, voluem: Float) { 33 | waveView.level = CGFloat(voluem) 34 | print("volue: \(voluem)") 35 | } 36 | } 37 | 38 | -------------------------------------------------------------------------------- /WaveDemo/WaveDemo-Bridging-Header.h: -------------------------------------------------------------------------------- 1 | // 2 | // Use this file to import your target's public headers that you would like to expose to Swift. 3 | // 4 | 5 | #import 6 | -------------------------------------------------------------------------------- /WaveDemo/WaveView.swift: -------------------------------------------------------------------------------- 1 | // 2 | // WaveView.swift 3 | // WaveDemo 4 | // 5 | // Created by mac on 2017/8/11. 6 | // Copyright © 2017年 yolande. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | class WaveView: UIControl { 12 | 13 | private var phase: CGFloat = 0.0 14 | private var _amplitude: CGFloat = 1.0 15 | 16 | public var waveColor: UIColor = .black { 17 | didSet { 18 | for line in lines { 19 | line.strokeColor = waveColor.cgColor 20 | } 21 | } 22 | } 23 | 24 | public var numberOfWaves = 5 25 | public var lineWidth: CGFloat = 3.0 26 | public var idleAmplitude: CGFloat = 0.01 27 | public var frequency: CGFloat = 1.2 28 | public var density: CGFloat = 5 29 | public var phaseShift: CGFloat = -0.25 30 | 31 | private weak var linker: CADisplayLink? 32 | 33 | private var paths = [UIBezierPath]() 34 | private var lines = [CAShapeLayer]() 35 | 36 | public var amplitude: CGFloat { 37 | get { 38 | return _amplitude 39 | } 40 | } 41 | public var level: CGFloat = 0 { 42 | didSet { 43 | // 不平 44 | _amplitude = max(level, idleAmplitude) 45 | } 46 | } 47 | private var waveHeight: CGFloat { 48 | return bounds.height 49 | } 50 | private var waveWidth: CGFloat { 51 | return bounds.width 52 | } 53 | private var waveMid: CGFloat { 54 | return waveWidth / 2 55 | } 56 | private var maxAmplitude: CGFloat { 57 | return waveHeight - 4.0 58 | } 59 | 60 | required init?(coder aDecoder: NSCoder) { 61 | super.init(coder: aDecoder) 62 | setup() 63 | } 64 | 65 | deinit { 66 | stop() 67 | } 68 | 69 | private func setup() { 70 | for i in 0.. CAShapeLayer { 84 | let shaperLayer = CAShapeLayer() 85 | shaperLayer.fillColor = UIColor.clear.cgColor 86 | shaperLayer.shadowColor = UIColor.cyan.cgColor 87 | shaperLayer.lineWidth = 1 88 | return shaperLayer 89 | } 90 | //MARK: - public 91 | public func begin() { 92 | let linker = CADisplayLink(target: self, selector: #selector(WaveView.updateMeters)) 93 | linker.add(to: .current, forMode: .commonModes) 94 | self.linker = linker 95 | } 96 | 97 | public func stop() { 98 | linker?.invalidate() 99 | paths.forEach { (path) in 100 | path.removeAllPoints() 101 | } 102 | } 103 | //MARK: - import 104 | @objc private func updateMeters() { 105 | // 移动 106 | phase += phaseShift 107 | for i in 0.. 29 | /* for va_list typedef */ 30 | #include 31 | /* for FILE typedef, TODO: remove when removing lame_mp3_tags_fid */ 32 | #include 33 | 34 | #if defined(__cplusplus) 35 | extern "C" { 36 | #endif 37 | 38 | typedef void (*lame_report_function)(const char *format, va_list ap); 39 | 40 | #if defined(WIN32) || defined(_WIN32) 41 | #undef CDECL 42 | #define CDECL __cdecl 43 | #else 44 | #define CDECL 45 | #endif 46 | 47 | #define DEPRECATED_OR_OBSOLETE_CODE_REMOVED 1 48 | 49 | typedef enum vbr_mode_e { 50 | vbr_off=0, 51 | vbr_mt, /* obsolete, same as vbr_mtrh */ 52 | vbr_rh, 53 | vbr_abr, 54 | vbr_mtrh, 55 | vbr_max_indicator, /* Don't use this! It's used for sanity checks. */ 56 | vbr_default=vbr_mtrh /* change this to change the default VBR mode of LAME */ 57 | } vbr_mode; 58 | 59 | 60 | /* MPEG modes */ 61 | typedef enum MPEG_mode_e { 62 | STEREO = 0, 63 | JOINT_STEREO, 64 | DUAL_CHANNEL, /* LAME doesn't supports this! */ 65 | MONO, 66 | NOT_SET, 67 | MAX_INDICATOR /* Don't use this! It's used for sanity checks. */ 68 | } MPEG_mode; 69 | 70 | /* Padding types */ 71 | typedef enum Padding_type_e { 72 | PAD_NO = 0, 73 | PAD_ALL, 74 | PAD_ADJUST, 75 | PAD_MAX_INDICATOR /* Don't use this! It's used for sanity checks. */ 76 | } Padding_type; 77 | 78 | 79 | 80 | /*presets*/ 81 | typedef enum preset_mode_e { 82 | /*values from 8 to 320 should be reserved for abr bitrates*/ 83 | /*for abr I'd suggest to directly use the targeted bitrate as a value*/ 84 | ABR_8 = 8, 85 | ABR_320 = 320, 86 | 87 | V9 = 410, /*Vx to match Lame and VBR_xx to match FhG*/ 88 | VBR_10 = 410, 89 | V8 = 420, 90 | VBR_20 = 420, 91 | V7 = 430, 92 | VBR_30 = 430, 93 | V6 = 440, 94 | VBR_40 = 440, 95 | V5 = 450, 96 | VBR_50 = 450, 97 | V4 = 460, 98 | VBR_60 = 460, 99 | V3 = 470, 100 | VBR_70 = 470, 101 | V2 = 480, 102 | VBR_80 = 480, 103 | V1 = 490, 104 | VBR_90 = 490, 105 | V0 = 500, 106 | VBR_100 = 500, 107 | 108 | 109 | 110 | /*still there for compatibility*/ 111 | R3MIX = 1000, 112 | STANDARD = 1001, 113 | EXTREME = 1002, 114 | INSANE = 1003, 115 | STANDARD_FAST = 1004, 116 | EXTREME_FAST = 1005, 117 | MEDIUM = 1006, 118 | MEDIUM_FAST = 1007 119 | } preset_mode; 120 | 121 | 122 | /*asm optimizations*/ 123 | typedef enum asm_optimizations_e { 124 | MMX = 1, 125 | AMD_3DNOW = 2, 126 | SSE = 3 127 | } asm_optimizations; 128 | 129 | 130 | /* psychoacoustic model */ 131 | typedef enum Psy_model_e { 132 | PSY_GPSYCHO = 1, 133 | PSY_NSPSYTUNE = 2 134 | } Psy_model; 135 | 136 | 137 | /* buffer considerations */ 138 | typedef enum buffer_constraint_e { 139 | MDB_DEFAULT=0, 140 | MDB_STRICT_ISO=1, 141 | MDB_MAXIMUM=2 142 | } buffer_constraint; 143 | 144 | 145 | struct lame_global_struct; 146 | typedef struct lame_global_struct lame_global_flags; 147 | typedef lame_global_flags *lame_t; 148 | 149 | 150 | 151 | 152 | /*********************************************************************** 153 | * 154 | * The LAME API 155 | * These functions should be called, in this order, for each 156 | * MP3 file to be encoded. See the file "API" for more documentation 157 | * 158 | ***********************************************************************/ 159 | 160 | 161 | /* 162 | * REQUIRED: 163 | * initialize the encoder. sets default for all encoder parameters, 164 | * returns NULL if some malloc()'s failed 165 | * otherwise returns pointer to structure needed for all future 166 | * API calls. 167 | */ 168 | lame_global_flags * CDECL lame_init(void); 169 | #if DEPRECATED_OR_OBSOLETE_CODE_REMOVED 170 | #else 171 | /* obsolete version */ 172 | int CDECL lame_init_old(lame_global_flags *); 173 | #endif 174 | 175 | /* 176 | * OPTIONAL: 177 | * set as needed to override defaults 178 | */ 179 | 180 | /******************************************************************** 181 | * input stream description 182 | ***********************************************************************/ 183 | /* number of samples. default = 2^32-1 */ 184 | int CDECL lame_set_num_samples(lame_global_flags *, unsigned long); 185 | unsigned long CDECL lame_get_num_samples(const lame_global_flags *); 186 | 187 | /* input sample rate in Hz. default = 44100hz */ 188 | int CDECL lame_set_in_samplerate(lame_global_flags *, int); 189 | int CDECL lame_get_in_samplerate(const lame_global_flags *); 190 | 191 | /* number of channels in input stream. default=2 */ 192 | int CDECL lame_set_num_channels(lame_global_flags *, int); 193 | int CDECL lame_get_num_channels(const lame_global_flags *); 194 | 195 | /* 196 | scale the input by this amount before encoding. default=1 197 | (not used by decoding routines) 198 | */ 199 | int CDECL lame_set_scale(lame_global_flags *, float); 200 | float CDECL lame_get_scale(const lame_global_flags *); 201 | 202 | /* 203 | scale the channel 0 (left) input by this amount before encoding. default=1 204 | (not used by decoding routines) 205 | */ 206 | int CDECL lame_set_scale_left(lame_global_flags *, float); 207 | float CDECL lame_get_scale_left(const lame_global_flags *); 208 | 209 | /* 210 | scale the channel 1 (right) input by this amount before encoding. default=1 211 | (not used by decoding routines) 212 | */ 213 | int CDECL lame_set_scale_right(lame_global_flags *, float); 214 | float CDECL lame_get_scale_right(const lame_global_flags *); 215 | 216 | /* 217 | output sample rate in Hz. default = 0, which means LAME picks best value 218 | based on the amount of compression. MPEG only allows: 219 | MPEG1 32, 44.1, 48khz 220 | MPEG2 16, 22.05, 24 221 | MPEG2.5 8, 11.025, 12 222 | (not used by decoding routines) 223 | */ 224 | int CDECL lame_set_out_samplerate(lame_global_flags *, int); 225 | int CDECL lame_get_out_samplerate(const lame_global_flags *); 226 | 227 | 228 | /******************************************************************** 229 | * general control parameters 230 | ***********************************************************************/ 231 | /* 1=cause LAME to collect data for an MP3 frame analyzer. default=0 */ 232 | int CDECL lame_set_analysis(lame_global_flags *, int); 233 | int CDECL lame_get_analysis(const lame_global_flags *); 234 | 235 | /* 236 | 1 = write a Xing VBR header frame. 237 | default = 1 238 | this variable must have been added by a Hungarian notation Windows programmer :-) 239 | */ 240 | int CDECL lame_set_bWriteVbrTag(lame_global_flags *, int); 241 | int CDECL lame_get_bWriteVbrTag(const lame_global_flags *); 242 | 243 | /* 1=decode only. use lame/mpglib to convert mp3/ogg to wav. default=0 */ 244 | int CDECL lame_set_decode_only(lame_global_flags *, int); 245 | int CDECL lame_get_decode_only(const lame_global_flags *); 246 | 247 | #if DEPRECATED_OR_OBSOLETE_CODE_REMOVED 248 | #else 249 | /* 1=encode a Vorbis .ogg file. default=0 */ 250 | /* DEPRECATED */ 251 | int CDECL lame_set_ogg(lame_global_flags *, int); 252 | int CDECL lame_get_ogg(const lame_global_flags *); 253 | #endif 254 | 255 | /* 256 | internal algorithm selection. True quality is determined by the bitrate 257 | but this variable will effect quality by selecting expensive or cheap algorithms. 258 | quality=0..9. 0=best (very slow). 9=worst. 259 | recommended: 2 near-best quality, not too slow 260 | 5 good quality, fast 261 | 7 ok quality, really fast 262 | */ 263 | int CDECL lame_set_quality(lame_global_flags *, int); 264 | int CDECL lame_get_quality(const lame_global_flags *); 265 | 266 | /* 267 | mode = 0,1,2,3 = stereo, jstereo, dual channel (not supported), mono 268 | default: lame picks based on compression ration and input channels 269 | */ 270 | int CDECL lame_set_mode(lame_global_flags *, MPEG_mode); 271 | MPEG_mode CDECL lame_get_mode(const lame_global_flags *); 272 | 273 | #if DEPRECATED_OR_OBSOLETE_CODE_REMOVED 274 | #else 275 | /* 276 | mode_automs. Use a M/S mode with a switching threshold based on 277 | compression ratio 278 | DEPRECATED 279 | */ 280 | int CDECL lame_set_mode_automs(lame_global_flags *, int); 281 | int CDECL lame_get_mode_automs(const lame_global_flags *); 282 | #endif 283 | 284 | /* 285 | force_ms. Force M/S for all frames. For testing only. 286 | default = 0 (disabled) 287 | */ 288 | int CDECL lame_set_force_ms(lame_global_flags *, int); 289 | int CDECL lame_get_force_ms(const lame_global_flags *); 290 | 291 | /* use free_format? default = 0 (disabled) */ 292 | int CDECL lame_set_free_format(lame_global_flags *, int); 293 | int CDECL lame_get_free_format(const lame_global_flags *); 294 | 295 | /* perform ReplayGain analysis? default = 0 (disabled) */ 296 | int CDECL lame_set_findReplayGain(lame_global_flags *, int); 297 | int CDECL lame_get_findReplayGain(const lame_global_flags *); 298 | 299 | /* decode on the fly. Search for the peak sample. If the ReplayGain 300 | * analysis is enabled then perform the analysis on the decoded data 301 | * stream. default = 0 (disabled) 302 | * NOTE: if this option is set the build-in decoder should not be used */ 303 | int CDECL lame_set_decode_on_the_fly(lame_global_flags *, int); 304 | int CDECL lame_get_decode_on_the_fly(const lame_global_flags *); 305 | 306 | #if DEPRECATED_OR_OBSOLETE_CODE_REMOVED 307 | #else 308 | /* DEPRECATED: now does the same as lame_set_findReplayGain() 309 | default = 0 (disabled) */ 310 | int CDECL lame_set_ReplayGain_input(lame_global_flags *, int); 311 | int CDECL lame_get_ReplayGain_input(const lame_global_flags *); 312 | 313 | /* DEPRECATED: now does the same as 314 | lame_set_decode_on_the_fly() && lame_set_findReplayGain() 315 | default = 0 (disabled) */ 316 | int CDECL lame_set_ReplayGain_decode(lame_global_flags *, int); 317 | int CDECL lame_get_ReplayGain_decode(const lame_global_flags *); 318 | 319 | /* DEPRECATED: now does the same as lame_set_decode_on_the_fly() 320 | default = 0 (disabled) */ 321 | int CDECL lame_set_findPeakSample(lame_global_flags *, int); 322 | int CDECL lame_get_findPeakSample(const lame_global_flags *); 323 | #endif 324 | 325 | /* counters for gapless encoding */ 326 | int CDECL lame_set_nogap_total(lame_global_flags*, int); 327 | int CDECL lame_get_nogap_total(const lame_global_flags*); 328 | 329 | int CDECL lame_set_nogap_currentindex(lame_global_flags* , int); 330 | int CDECL lame_get_nogap_currentindex(const lame_global_flags*); 331 | 332 | 333 | /* 334 | * OPTIONAL: 335 | * Set printf like error/debug/message reporting functions. 336 | * The second argument has to be a pointer to a function which looks like 337 | * void my_debugf(const char *format, va_list ap) 338 | * { 339 | * (void) vfprintf(stdout, format, ap); 340 | * } 341 | * If you use NULL as the value of the pointer in the set function, the 342 | * lame buildin function will be used (prints to stderr). 343 | * To quiet any output you have to replace the body of the example function 344 | * with just "return;" and use it in the set function. 345 | */ 346 | int CDECL lame_set_errorf(lame_global_flags *, lame_report_function); 347 | int CDECL lame_set_debugf(lame_global_flags *, lame_report_function); 348 | int CDECL lame_set_msgf (lame_global_flags *, lame_report_function); 349 | 350 | 351 | 352 | /* set one of brate compression ratio. default is compression ratio of 11. */ 353 | int CDECL lame_set_brate(lame_global_flags *, int); 354 | int CDECL lame_get_brate(const lame_global_flags *); 355 | int CDECL lame_set_compression_ratio(lame_global_flags *, float); 356 | float CDECL lame_get_compression_ratio(const lame_global_flags *); 357 | 358 | 359 | int CDECL lame_set_preset( lame_global_flags* gfp, int ); 360 | int CDECL lame_set_asm_optimizations( lame_global_flags* gfp, int, int ); 361 | 362 | 363 | 364 | /******************************************************************** 365 | * frame params 366 | ***********************************************************************/ 367 | /* mark as copyright. default=0 */ 368 | int CDECL lame_set_copyright(lame_global_flags *, int); 369 | int CDECL lame_get_copyright(const lame_global_flags *); 370 | 371 | /* mark as original. default=1 */ 372 | int CDECL lame_set_original(lame_global_flags *, int); 373 | int CDECL lame_get_original(const lame_global_flags *); 374 | 375 | /* error_protection. Use 2 bytes from each frame for CRC checksum. default=0 */ 376 | int CDECL lame_set_error_protection(lame_global_flags *, int); 377 | int CDECL lame_get_error_protection(const lame_global_flags *); 378 | 379 | #if DEPRECATED_OR_OBSOLETE_CODE_REMOVED 380 | #else 381 | /* padding_type. 0=pad no frames 1=pad all frames 2=adjust padding(default) */ 382 | int CDECL lame_set_padding_type(lame_global_flags *, Padding_type); 383 | Padding_type CDECL lame_get_padding_type(const lame_global_flags *); 384 | #endif 385 | 386 | /* MP3 'private extension' bit Meaningless. default=0 */ 387 | int CDECL lame_set_extension(lame_global_flags *, int); 388 | int CDECL lame_get_extension(const lame_global_flags *); 389 | 390 | /* enforce strict ISO compliance. default=0 */ 391 | int CDECL lame_set_strict_ISO(lame_global_flags *, int); 392 | int CDECL lame_get_strict_ISO(const lame_global_flags *); 393 | 394 | 395 | /******************************************************************** 396 | * quantization/noise shaping 397 | ***********************************************************************/ 398 | 399 | /* disable the bit reservoir. For testing only. default=0 */ 400 | int CDECL lame_set_disable_reservoir(lame_global_flags *, int); 401 | int CDECL lame_get_disable_reservoir(const lame_global_flags *); 402 | 403 | /* select a different "best quantization" function. default=0 */ 404 | int CDECL lame_set_quant_comp(lame_global_flags *, int); 405 | int CDECL lame_get_quant_comp(const lame_global_flags *); 406 | int CDECL lame_set_quant_comp_short(lame_global_flags *, int); 407 | int CDECL lame_get_quant_comp_short(const lame_global_flags *); 408 | 409 | int CDECL lame_set_experimentalX(lame_global_flags *, int); /* compatibility*/ 410 | int CDECL lame_get_experimentalX(const lame_global_flags *); 411 | 412 | /* another experimental option. for testing only */ 413 | int CDECL lame_set_experimentalY(lame_global_flags *, int); 414 | int CDECL lame_get_experimentalY(const lame_global_flags *); 415 | 416 | /* another experimental option. for testing only */ 417 | int CDECL lame_set_experimentalZ(lame_global_flags *, int); 418 | int CDECL lame_get_experimentalZ(const lame_global_flags *); 419 | 420 | /* Naoki's psycho acoustic model. default=0 */ 421 | int CDECL lame_set_exp_nspsytune(lame_global_flags *, int); 422 | int CDECL lame_get_exp_nspsytune(const lame_global_flags *); 423 | 424 | void CDECL lame_set_msfix(lame_global_flags *, double); 425 | float CDECL lame_get_msfix(const lame_global_flags *); 426 | 427 | 428 | /******************************************************************** 429 | * VBR control 430 | ***********************************************************************/ 431 | /* Types of VBR. default = vbr_off = CBR */ 432 | int CDECL lame_set_VBR(lame_global_flags *, vbr_mode); 433 | vbr_mode CDECL lame_get_VBR(const lame_global_flags *); 434 | 435 | /* VBR quality level. 0=highest 9=lowest */ 436 | int CDECL lame_set_VBR_q(lame_global_flags *, int); 437 | int CDECL lame_get_VBR_q(const lame_global_flags *); 438 | 439 | /* VBR quality level. 0=highest 9=lowest, Range [0,...,10[ */ 440 | int CDECL lame_set_VBR_quality(lame_global_flags *, float); 441 | float CDECL lame_get_VBR_quality(const lame_global_flags *); 442 | 443 | /* Ignored except for VBR=vbr_abr (ABR mode) */ 444 | int CDECL lame_set_VBR_mean_bitrate_kbps(lame_global_flags *, int); 445 | int CDECL lame_get_VBR_mean_bitrate_kbps(const lame_global_flags *); 446 | 447 | int CDECL lame_set_VBR_min_bitrate_kbps(lame_global_flags *, int); 448 | int CDECL lame_get_VBR_min_bitrate_kbps(const lame_global_flags *); 449 | 450 | int CDECL lame_set_VBR_max_bitrate_kbps(lame_global_flags *, int); 451 | int CDECL lame_get_VBR_max_bitrate_kbps(const lame_global_flags *); 452 | 453 | /* 454 | 1=strictly enforce VBR_min_bitrate. Normally it will be violated for 455 | analog silence 456 | */ 457 | int CDECL lame_set_VBR_hard_min(lame_global_flags *, int); 458 | int CDECL lame_get_VBR_hard_min(const lame_global_flags *); 459 | 460 | /* for preset */ 461 | #if DEPRECATED_OR_OBSOLETE_CODE_REMOVED 462 | #else 463 | int CDECL lame_set_preset_expopts(lame_global_flags *, int); 464 | #endif 465 | 466 | /******************************************************************** 467 | * Filtering control 468 | ***********************************************************************/ 469 | /* freq in Hz to apply lowpass. Default = 0 = lame chooses. -1 = disabled */ 470 | int CDECL lame_set_lowpassfreq(lame_global_flags *, int); 471 | int CDECL lame_get_lowpassfreq(const lame_global_flags *); 472 | /* width of transition band, in Hz. Default = one polyphase filter band */ 473 | int CDECL lame_set_lowpasswidth(lame_global_flags *, int); 474 | int CDECL lame_get_lowpasswidth(const lame_global_flags *); 475 | 476 | /* freq in Hz to apply highpass. Default = 0 = lame chooses. -1 = disabled */ 477 | int CDECL lame_set_highpassfreq(lame_global_flags *, int); 478 | int CDECL lame_get_highpassfreq(const lame_global_flags *); 479 | /* width of transition band, in Hz. Default = one polyphase filter band */ 480 | int CDECL lame_set_highpasswidth(lame_global_flags *, int); 481 | int CDECL lame_get_highpasswidth(const lame_global_flags *); 482 | 483 | 484 | /******************************************************************** 485 | * psycho acoustics and other arguments which you should not change 486 | * unless you know what you are doing 487 | ***********************************************************************/ 488 | 489 | /* only use ATH for masking */ 490 | int CDECL lame_set_ATHonly(lame_global_flags *, int); 491 | int CDECL lame_get_ATHonly(const lame_global_flags *); 492 | 493 | /* only use ATH for short blocks */ 494 | int CDECL lame_set_ATHshort(lame_global_flags *, int); 495 | int CDECL lame_get_ATHshort(const lame_global_flags *); 496 | 497 | /* disable ATH */ 498 | int CDECL lame_set_noATH(lame_global_flags *, int); 499 | int CDECL lame_get_noATH(const lame_global_flags *); 500 | 501 | /* select ATH formula */ 502 | int CDECL lame_set_ATHtype(lame_global_flags *, int); 503 | int CDECL lame_get_ATHtype(const lame_global_flags *); 504 | 505 | /* lower ATH by this many db */ 506 | int CDECL lame_set_ATHlower(lame_global_flags *, float); 507 | float CDECL lame_get_ATHlower(const lame_global_flags *); 508 | 509 | /* select ATH adaptive adjustment type */ 510 | int CDECL lame_set_athaa_type( lame_global_flags *, int); 511 | int CDECL lame_get_athaa_type( const lame_global_flags *); 512 | 513 | #if DEPRECATED_OR_OBSOLETE_CODE_REMOVED 514 | #else 515 | /* select the loudness approximation used by the ATH adaptive auto-leveling */ 516 | int CDECL lame_set_athaa_loudapprox( lame_global_flags *, int); 517 | int CDECL lame_get_athaa_loudapprox( const lame_global_flags *); 518 | #endif 519 | 520 | /* adjust (in dB) the point below which adaptive ATH level adjustment occurs */ 521 | int CDECL lame_set_athaa_sensitivity( lame_global_flags *, float); 522 | float CDECL lame_get_athaa_sensitivity( const lame_global_flags* ); 523 | 524 | #if DEPRECATED_OR_OBSOLETE_CODE_REMOVED 525 | #else 526 | /* OBSOLETE: predictability limit (ISO tonality formula) */ 527 | int CDECL lame_set_cwlimit(lame_global_flags *, int); 528 | int CDECL lame_get_cwlimit(const lame_global_flags *); 529 | #endif 530 | 531 | /* 532 | allow blocktypes to differ between channels? 533 | default: 0 for jstereo, 1 for stereo 534 | */ 535 | int CDECL lame_set_allow_diff_short(lame_global_flags *, int); 536 | int CDECL lame_get_allow_diff_short(const lame_global_flags *); 537 | 538 | /* use temporal masking effect (default = 1) */ 539 | int CDECL lame_set_useTemporal(lame_global_flags *, int); 540 | int CDECL lame_get_useTemporal(const lame_global_flags *); 541 | 542 | /* use temporal masking effect (default = 1) */ 543 | int CDECL lame_set_interChRatio(lame_global_flags *, float); 544 | float CDECL lame_get_interChRatio(const lame_global_flags *); 545 | 546 | /* disable short blocks */ 547 | int CDECL lame_set_no_short_blocks(lame_global_flags *, int); 548 | int CDECL lame_get_no_short_blocks(const lame_global_flags *); 549 | 550 | /* force short blocks */ 551 | int CDECL lame_set_force_short_blocks(lame_global_flags *, int); 552 | int CDECL lame_get_force_short_blocks(const lame_global_flags *); 553 | 554 | /* Input PCM is emphased PCM (for instance from one of the rarely 555 | emphased CDs), it is STRONGLY not recommended to use this, because 556 | psycho does not take it into account, and last but not least many decoders 557 | ignore these bits */ 558 | int CDECL lame_set_emphasis(lame_global_flags *, int); 559 | int CDECL lame_get_emphasis(const lame_global_flags *); 560 | 561 | 562 | 563 | /************************************************************************/ 564 | /* internal variables, cannot be set... */ 565 | /* provided because they may be of use to calling application */ 566 | /************************************************************************/ 567 | /* version 0=MPEG-2 1=MPEG-1 (2=MPEG-2.5) */ 568 | int CDECL lame_get_version(const lame_global_flags *); 569 | 570 | /* encoder delay */ 571 | int CDECL lame_get_encoder_delay(const lame_global_flags *); 572 | 573 | /* 574 | padding appended to the input to make sure decoder can fully decode 575 | all input. Note that this value can only be calculated during the 576 | call to lame_encoder_flush(). Before lame_encoder_flush() has 577 | been called, the value of encoder_padding = 0. 578 | */ 579 | int CDECL lame_get_encoder_padding(const lame_global_flags *); 580 | 581 | /* size of MPEG frame */ 582 | int CDECL lame_get_framesize(const lame_global_flags *); 583 | 584 | /* number of PCM samples buffered, but not yet encoded to mp3 data. */ 585 | int CDECL lame_get_mf_samples_to_encode( const lame_global_flags* gfp ); 586 | 587 | /* 588 | size (bytes) of mp3 data buffered, but not yet encoded. 589 | this is the number of bytes which would be output by a call to 590 | lame_encode_flush_nogap. NOTE: lame_encode_flush() will return 591 | more bytes than this because it will encode the reamining buffered 592 | PCM samples before flushing the mp3 buffers. 593 | */ 594 | int CDECL lame_get_size_mp3buffer( const lame_global_flags* gfp ); 595 | 596 | /* number of frames encoded so far */ 597 | int CDECL lame_get_frameNum(const lame_global_flags *); 598 | 599 | /* 600 | lame's estimate of the total number of frames to be encoded 601 | only valid if calling program set num_samples 602 | */ 603 | int CDECL lame_get_totalframes(const lame_global_flags *); 604 | 605 | /* RadioGain value. Multiplied by 10 and rounded to the nearest. */ 606 | int CDECL lame_get_RadioGain(const lame_global_flags *); 607 | 608 | /* AudiophileGain value. Multipled by 10 and rounded to the nearest. */ 609 | int CDECL lame_get_AudiophileGain(const lame_global_flags *); 610 | 611 | /* the peak sample */ 612 | float CDECL lame_get_PeakSample(const lame_global_flags *); 613 | 614 | /* Gain change required for preventing clipping. The value is correct only if 615 | peak sample searching was enabled. If negative then the waveform 616 | already does not clip. The value is multiplied by 10 and rounded up. */ 617 | int CDECL lame_get_noclipGainChange(const lame_global_flags *); 618 | 619 | /* user-specified scale factor required for preventing clipping. Value is 620 | correct only if peak sample searching was enabled and no user-specified 621 | scaling was performed. If negative then either the waveform already does 622 | not clip or the value cannot be determined */ 623 | float CDECL lame_get_noclipScale(const lame_global_flags *); 624 | 625 | 626 | 627 | 628 | 629 | 630 | 631 | /* 632 | * REQUIRED: 633 | * sets more internal configuration based on data provided above. 634 | * returns -1 if something failed. 635 | */ 636 | int CDECL lame_init_params(lame_global_flags *); 637 | 638 | 639 | /* 640 | * OPTIONAL: 641 | * get the version number, in a string. of the form: 642 | * "3.63 (beta)" or just "3.63". 643 | */ 644 | const char* CDECL get_lame_version ( void ); 645 | const char* CDECL get_lame_short_version ( void ); 646 | const char* CDECL get_lame_very_short_version ( void ); 647 | const char* CDECL get_psy_version ( void ); 648 | const char* CDECL get_lame_url ( void ); 649 | const char* CDECL get_lame_os_bitness ( void ); 650 | 651 | /* 652 | * OPTIONAL: 653 | * get the version numbers in numerical form. 654 | */ 655 | typedef struct { 656 | /* generic LAME version */ 657 | int major; 658 | int minor; 659 | int alpha; /* 0 if not an alpha version */ 660 | int beta; /* 0 if not a beta version */ 661 | 662 | /* version of the psy model */ 663 | int psy_major; 664 | int psy_minor; 665 | int psy_alpha; /* 0 if not an alpha version */ 666 | int psy_beta; /* 0 if not a beta version */ 667 | 668 | /* compile time features */ 669 | const char *features; /* Don't make assumptions about the contents! */ 670 | } lame_version_t; 671 | void CDECL get_lame_version_numerical(lame_version_t *); 672 | 673 | 674 | /* 675 | * OPTIONAL: 676 | * print internal lame configuration to message handler 677 | */ 678 | void CDECL lame_print_config(const lame_global_flags* gfp); 679 | 680 | void CDECL lame_print_internals( const lame_global_flags *gfp); 681 | 682 | 683 | /* 684 | * input pcm data, output (maybe) mp3 frames. 685 | * This routine handles all buffering, resampling and filtering for you. 686 | * 687 | * return code number of bytes output in mp3buf. Can be 0 688 | * -1: mp3buf was too small 689 | * -2: malloc() problem 690 | * -3: lame_init_params() not called 691 | * -4: psycho acoustic problems 692 | * 693 | * The required mp3buf_size can be computed from num_samples, 694 | * samplerate and encoding rate, but here is a worst case estimate: 695 | * 696 | * mp3buf_size in bytes = 1.25*num_samples + 7200 697 | * 698 | * I think a tighter bound could be: (mt, March 2000) 699 | * MPEG1: 700 | * num_samples*(bitrate/8)/samplerate + 4*1152*(bitrate/8)/samplerate + 512 701 | * MPEG2: 702 | * num_samples*(bitrate/8)/samplerate + 4*576*(bitrate/8)/samplerate + 256 703 | * 704 | * but test first if you use that! 705 | * 706 | * set mp3buf_size = 0 and LAME will not check if mp3buf_size is 707 | * large enough. 708 | * 709 | * NOTE: 710 | * if gfp->num_channels=2, but gfp->mode = 3 (mono), the L & R channels 711 | * will be averaged into the L channel before encoding only the L channel 712 | * This will overwrite the data in buffer_l[] and buffer_r[]. 713 | * 714 | */ 715 | int CDECL lame_encode_buffer ( 716 | lame_global_flags* gfp, /* global context handle */ 717 | const short int buffer_l [], /* PCM data for left channel */ 718 | const short int buffer_r [], /* PCM data for right channel */ 719 | const int nsamples, /* number of samples per channel */ 720 | unsigned char* mp3buf, /* pointer to encoded MP3 stream */ 721 | const int mp3buf_size ); /* number of valid octets in this 722 | stream */ 723 | 724 | /* 725 | * as above, but input has L & R channel data interleaved. 726 | * NOTE: 727 | * num_samples = number of samples in the L (or R) 728 | * channel, not the total number of samples in pcm[] 729 | */ 730 | int CDECL lame_encode_buffer_interleaved( 731 | lame_global_flags* gfp, /* global context handlei */ 732 | short int pcm[], /* PCM data for left and right 733 | channel, interleaved */ 734 | int num_samples, /* number of samples per channel, 735 | _not_ number of samples in 736 | pcm[] */ 737 | unsigned char* mp3buf, /* pointer to encoded MP3 stream */ 738 | int mp3buf_size ); /* number of valid octets in this 739 | stream */ 740 | 741 | 742 | /* as lame_encode_buffer, but for 'float's. 743 | * !! NOTE: !! data must still be scaled to be in the same range as 744 | * short int, +/- 32768 745 | */ 746 | int CDECL lame_encode_buffer_float( 747 | lame_global_flags* gfp, /* global context handle */ 748 | const float pcm_l [], /* PCM data for left channel */ 749 | const float pcm_r [], /* PCM data for right channel */ 750 | const int nsamples, /* number of samples per channel */ 751 | unsigned char* mp3buf, /* pointer to encoded MP3 stream */ 752 | const int mp3buf_size ); /* number of valid octets in this 753 | stream */ 754 | 755 | /* as lame_encode_buffer, but for 'float's. 756 | * !! NOTE: !! data must be scaled to +/- 1 full scale 757 | */ 758 | int CDECL lame_encode_buffer_ieee_float( 759 | lame_t gfp, 760 | const float pcm_l [], /* PCM data for left channel */ 761 | const float pcm_r [], /* PCM data for right channel */ 762 | const int nsamples, 763 | unsigned char * mp3buf, 764 | const int mp3buf_size); 765 | int CDECL lame_encode_buffer_interleaved_ieee_float( 766 | lame_t gfp, 767 | const float pcm[], /* PCM data for left and right 768 | channel, interleaved */ 769 | const int nsamples, 770 | unsigned char * mp3buf, 771 | const int mp3buf_size); 772 | 773 | /* as lame_encode_buffer, but for 'double's. 774 | * !! NOTE: !! data must be scaled to +/- 1 full scale 775 | */ 776 | int CDECL lame_encode_buffer_ieee_double( 777 | lame_t gfp, 778 | const double pcm_l [], /* PCM data for left channel */ 779 | const double pcm_r [], /* PCM data for right channel */ 780 | const int nsamples, 781 | unsigned char * mp3buf, 782 | const int mp3buf_size); 783 | int CDECL lame_encode_buffer_interleaved_ieee_double( 784 | lame_t gfp, 785 | const double pcm[], /* PCM data for left and right 786 | channel, interleaved */ 787 | const int nsamples, 788 | unsigned char * mp3buf, 789 | const int mp3buf_size); 790 | 791 | /* as lame_encode_buffer, but for long's 792 | * !! NOTE: !! data must still be scaled to be in the same range as 793 | * short int, +/- 32768 794 | * 795 | * This scaling was a mistake (doesn't allow one to exploit full 796 | * precision of type 'long'. Use lame_encode_buffer_long2() instead. 797 | * 798 | */ 799 | int CDECL lame_encode_buffer_long( 800 | lame_global_flags* gfp, /* global context handle */ 801 | const long buffer_l [], /* PCM data for left channel */ 802 | const long buffer_r [], /* PCM data for right channel */ 803 | const int nsamples, /* number of samples per channel */ 804 | unsigned char* mp3buf, /* pointer to encoded MP3 stream */ 805 | const int mp3buf_size ); /* number of valid octets in this 806 | stream */ 807 | 808 | /* Same as lame_encode_buffer_long(), but with correct scaling. 809 | * !! NOTE: !! data must still be scaled to be in the same range as 810 | * type 'long'. Data should be in the range: +/- 2^(8*size(long)-1) 811 | * 812 | */ 813 | int CDECL lame_encode_buffer_long2( 814 | lame_global_flags* gfp, /* global context handle */ 815 | const long buffer_l [], /* PCM data for left channel */ 816 | const long buffer_r [], /* PCM data for right channel */ 817 | const int nsamples, /* number of samples per channel */ 818 | unsigned char* mp3buf, /* pointer to encoded MP3 stream */ 819 | const int mp3buf_size ); /* number of valid octets in this 820 | stream */ 821 | 822 | /* as lame_encode_buffer, but for int's 823 | * !! NOTE: !! input should be scaled to the maximum range of 'int' 824 | * If int is 4 bytes, then the values should range from 825 | * +/- 2147483648. 826 | * 827 | * This routine does not (and cannot, without loosing precision) use 828 | * the same scaling as the rest of the lame_encode_buffer() routines. 829 | * 830 | */ 831 | int CDECL lame_encode_buffer_int( 832 | lame_global_flags* gfp, /* global context handle */ 833 | const int buffer_l [], /* PCM data for left channel */ 834 | const int buffer_r [], /* PCM data for right channel */ 835 | const int nsamples, /* number of samples per channel */ 836 | unsigned char* mp3buf, /* pointer to encoded MP3 stream */ 837 | const int mp3buf_size ); /* number of valid octets in this 838 | stream */ 839 | 840 | 841 | 842 | 843 | 844 | /* 845 | * REQUIRED: 846 | * lame_encode_flush will flush the intenal PCM buffers, padding with 847 | * 0's to make sure the final frame is complete, and then flush 848 | * the internal MP3 buffers, and thus may return a 849 | * final few mp3 frames. 'mp3buf' should be at least 7200 bytes long 850 | * to hold all possible emitted data. 851 | * 852 | * will also write id3v1 tags (if any) into the bitstream 853 | * 854 | * return code = number of bytes output to mp3buf. Can be 0 855 | */ 856 | int CDECL lame_encode_flush( 857 | lame_global_flags * gfp, /* global context handle */ 858 | unsigned char* mp3buf, /* pointer to encoded MP3 stream */ 859 | int size); /* number of valid octets in this stream */ 860 | 861 | /* 862 | * OPTIONAL: 863 | * lame_encode_flush_nogap will flush the internal mp3 buffers and pad 864 | * the last frame with ancillary data so it is a complete mp3 frame. 865 | * 866 | * 'mp3buf' should be at least 7200 bytes long 867 | * to hold all possible emitted data. 868 | * 869 | * After a call to this routine, the outputed mp3 data is complete, but 870 | * you may continue to encode new PCM samples and write future mp3 data 871 | * to a different file. The two mp3 files will play back with no gaps 872 | * if they are concatenated together. 873 | * 874 | * This routine will NOT write id3v1 tags into the bitstream. 875 | * 876 | * return code = number of bytes output to mp3buf. Can be 0 877 | */ 878 | int CDECL lame_encode_flush_nogap( 879 | lame_global_flags * gfp, /* global context handle */ 880 | unsigned char* mp3buf, /* pointer to encoded MP3 stream */ 881 | int size); /* number of valid octets in this stream */ 882 | 883 | /* 884 | * OPTIONAL: 885 | * Normally, this is called by lame_init_params(). It writes id3v2 and 886 | * Xing headers into the front of the bitstream, and sets frame counters 887 | * and bitrate histogram data to 0. You can also call this after 888 | * lame_encode_flush_nogap(). 889 | */ 890 | int CDECL lame_init_bitstream( 891 | lame_global_flags * gfp); /* global context handle */ 892 | 893 | 894 | 895 | /* 896 | * OPTIONAL: some simple statistics 897 | * a bitrate histogram to visualize the distribution of used frame sizes 898 | * a stereo mode histogram to visualize the distribution of used stereo 899 | * modes, useful in joint-stereo mode only 900 | * 0: LR left-right encoded 901 | * 1: LR-I left-right and intensity encoded (currently not supported) 902 | * 2: MS mid-side encoded 903 | * 3: MS-I mid-side and intensity encoded (currently not supported) 904 | * 905 | * attention: don't call them after lame_encode_finish 906 | * suggested: lame_encode_flush -> lame_*_hist -> lame_close 907 | */ 908 | 909 | void CDECL lame_bitrate_hist( 910 | const lame_global_flags * gfp, 911 | int bitrate_count[14] ); 912 | void CDECL lame_bitrate_kbps( 913 | const lame_global_flags * gfp, 914 | int bitrate_kbps [14] ); 915 | void CDECL lame_stereo_mode_hist( 916 | const lame_global_flags * gfp, 917 | int stereo_mode_count[4] ); 918 | 919 | void CDECL lame_bitrate_stereo_mode_hist ( 920 | const lame_global_flags * gfp, 921 | int bitrate_stmode_count[14][4] ); 922 | 923 | void CDECL lame_block_type_hist ( 924 | const lame_global_flags * gfp, 925 | int btype_count[6] ); 926 | 927 | void CDECL lame_bitrate_block_type_hist ( 928 | const lame_global_flags * gfp, 929 | int bitrate_btype_count[14][6] ); 930 | 931 | #if (DEPRECATED_OR_OBSOLETE_CODE_REMOVED && 0) 932 | #else 933 | /* 934 | * OPTIONAL: 935 | * lame_mp3_tags_fid will rewrite a Xing VBR tag to the mp3 file with file 936 | * pointer fid. These calls perform forward and backwards seeks, so make 937 | * sure fid is a real file. Make sure lame_encode_flush has been called, 938 | * and all mp3 data has been written to the file before calling this 939 | * function. 940 | * NOTE: 941 | * if VBR tags are turned off by the user, or turned off by LAME because 942 | * the output is not a regular file, this call does nothing 943 | * NOTE: 944 | * LAME wants to read from the file to skip an optional ID3v2 tag, so 945 | * make sure you opened the file for writing and reading. 946 | * NOTE: 947 | * You can call lame_get_lametag_frame instead, if you want to insert 948 | * the lametag yourself. 949 | */ 950 | void CDECL lame_mp3_tags_fid(lame_global_flags *, FILE* fid); 951 | #endif 952 | 953 | /* 954 | * OPTIONAL: 955 | * lame_get_lametag_frame copies the final LAME-tag into 'buffer'. 956 | * The function returns the number of bytes copied into buffer, or 957 | * the required buffer size, if the provided buffer is too small. 958 | * Function failed, if the return value is larger than 'size'! 959 | * Make sure lame_encode flush has been called before calling this function. 960 | * NOTE: 961 | * if VBR tags are turned off by the user, or turned off by LAME, 962 | * this call does nothing and returns 0. 963 | * NOTE: 964 | * LAME inserted an empty frame in the beginning of mp3 audio data, 965 | * which you have to replace by the final LAME-tag frame after encoding. 966 | * In case there is no ID3v2 tag, usually this frame will be the very first 967 | * data in your mp3 file. If you put some other leading data into your 968 | * file, you'll have to do some bookkeeping about where to write this buffer. 969 | */ 970 | size_t CDECL lame_get_lametag_frame( 971 | const lame_global_flags *, unsigned char* buffer, size_t size); 972 | 973 | /* 974 | * REQUIRED: 975 | * final call to free all remaining buffers 976 | */ 977 | int CDECL lame_close (lame_global_flags *); 978 | 979 | #if DEPRECATED_OR_OBSOLETE_CODE_REMOVED 980 | #else 981 | /* 982 | * OBSOLETE: 983 | * lame_encode_finish combines lame_encode_flush() and lame_close() in 984 | * one call. However, once this call is made, the statistics routines 985 | * will no longer work because the data will have been cleared, and 986 | * lame_mp3_tags_fid() cannot be called to add data to the VBR header 987 | */ 988 | int CDECL lame_encode_finish( 989 | lame_global_flags* gfp, 990 | unsigned char* mp3buf, 991 | int size ); 992 | #endif 993 | 994 | 995 | 996 | 997 | 998 | 999 | /********************************************************************* 1000 | * 1001 | * decoding 1002 | * 1003 | * a simple interface to mpglib, part of mpg123, is also included if 1004 | * libmp3lame is compiled with HAVE_MPGLIB 1005 | * 1006 | *********************************************************************/ 1007 | 1008 | struct hip_global_struct; 1009 | typedef struct hip_global_struct hip_global_flags; 1010 | typedef hip_global_flags *hip_t; 1011 | 1012 | 1013 | typedef struct { 1014 | int header_parsed; /* 1 if header was parsed and following data was 1015 | computed */ 1016 | int stereo; /* number of channels */ 1017 | int samplerate; /* sample rate */ 1018 | int bitrate; /* bitrate */ 1019 | int mode; /* mp3 frame type */ 1020 | int mode_ext; /* mp3 frame type */ 1021 | int framesize; /* number of samples per mp3 frame */ 1022 | 1023 | /* this data is only computed if mpglib detects a Xing VBR header */ 1024 | unsigned long nsamp; /* number of samples in mp3 file. */ 1025 | int totalframes; /* total number of frames in mp3 file */ 1026 | 1027 | /* this data is not currently computed by the mpglib routines */ 1028 | int framenum; /* frames decoded counter */ 1029 | } mp3data_struct; 1030 | 1031 | /* required call to initialize decoder */ 1032 | hip_t CDECL hip_decode_init(void); 1033 | 1034 | /* cleanup call to exit decoder */ 1035 | int CDECL hip_decode_exit(hip_t gfp); 1036 | 1037 | /* HIP reporting functions */ 1038 | void CDECL hip_set_errorf(hip_t gfp, lame_report_function f); 1039 | void CDECL hip_set_debugf(hip_t gfp, lame_report_function f); 1040 | void CDECL hip_set_msgf (hip_t gfp, lame_report_function f); 1041 | 1042 | /********************************************************************* 1043 | * input 1 mp3 frame, output (maybe) pcm data. 1044 | * 1045 | * nout = hip_decode(hip, mp3buf,len,pcm_l,pcm_r); 1046 | * 1047 | * input: 1048 | * len : number of bytes of mp3 data in mp3buf 1049 | * mp3buf[len] : mp3 data to be decoded 1050 | * 1051 | * output: 1052 | * nout: -1 : decoding error 1053 | * 0 : need more data before we can complete the decode 1054 | * >0 : returned 'nout' samples worth of data in pcm_l,pcm_r 1055 | * pcm_l[nout] : left channel data 1056 | * pcm_r[nout] : right channel data 1057 | * 1058 | *********************************************************************/ 1059 | int CDECL hip_decode( hip_t gfp 1060 | , unsigned char * mp3buf 1061 | , size_t len 1062 | , short pcm_l[] 1063 | , short pcm_r[] 1064 | ); 1065 | 1066 | /* same as hip_decode, and also returns mp3 header data */ 1067 | int CDECL hip_decode_headers( hip_t gfp 1068 | , unsigned char* mp3buf 1069 | , size_t len 1070 | , short pcm_l[] 1071 | , short pcm_r[] 1072 | , mp3data_struct* mp3data 1073 | ); 1074 | 1075 | /* same as hip_decode, but returns at most one frame */ 1076 | int CDECL hip_decode1( hip_t gfp 1077 | , unsigned char* mp3buf 1078 | , size_t len 1079 | , short pcm_l[] 1080 | , short pcm_r[] 1081 | ); 1082 | 1083 | /* same as hip_decode1, but returns at most one frame and mp3 header data */ 1084 | int CDECL hip_decode1_headers( hip_t gfp 1085 | , unsigned char* mp3buf 1086 | , size_t len 1087 | , short pcm_l[] 1088 | , short pcm_r[] 1089 | , mp3data_struct* mp3data 1090 | ); 1091 | 1092 | /* same as hip_decode1_headers, but also returns enc_delay and enc_padding 1093 | from VBR Info tag, (-1 if no info tag was found) */ 1094 | int CDECL hip_decode1_headersB( hip_t gfp 1095 | , unsigned char* mp3buf 1096 | , size_t len 1097 | , short pcm_l[] 1098 | , short pcm_r[] 1099 | , mp3data_struct* mp3data 1100 | , int *enc_delay 1101 | , int *enc_padding 1102 | ); 1103 | 1104 | 1105 | 1106 | /* OBSOLETE: 1107 | * lame_decode... functions are there to keep old code working 1108 | * but it is strongly recommended to replace calls by hip_decode... 1109 | * function calls, see above. 1110 | */ 1111 | #if DEPRECATED_OR_OBSOLETE_CODE_REMOVED 1112 | #else 1113 | int CDECL lame_decode_init(void); 1114 | int CDECL lame_decode( 1115 | unsigned char * mp3buf, 1116 | int len, 1117 | short pcm_l[], 1118 | short pcm_r[] ); 1119 | int CDECL lame_decode_headers( 1120 | unsigned char* mp3buf, 1121 | int len, 1122 | short pcm_l[], 1123 | short pcm_r[], 1124 | mp3data_struct* mp3data ); 1125 | int CDECL lame_decode1( 1126 | unsigned char* mp3buf, 1127 | int len, 1128 | short pcm_l[], 1129 | short pcm_r[] ); 1130 | int CDECL lame_decode1_headers( 1131 | unsigned char* mp3buf, 1132 | int len, 1133 | short pcm_l[], 1134 | short pcm_r[], 1135 | mp3data_struct* mp3data ); 1136 | int CDECL lame_decode1_headersB( 1137 | unsigned char* mp3buf, 1138 | int len, 1139 | short pcm_l[], 1140 | short pcm_r[], 1141 | mp3data_struct* mp3data, 1142 | int *enc_delay, 1143 | int *enc_padding ); 1144 | int CDECL lame_decode_exit(void); 1145 | 1146 | #endif /* obsolete lame_decode API calls */ 1147 | 1148 | 1149 | /********************************************************************* 1150 | * 1151 | * id3tag stuff 1152 | * 1153 | *********************************************************************/ 1154 | 1155 | /* 1156 | * id3tag.h -- Interface to write ID3 version 1 and 2 tags. 1157 | * 1158 | * Copyright (C) 2000 Don Melton. 1159 | * 1160 | * This library is free software; you can redistribute it and/or 1161 | * modify it under the terms of the GNU Library General Public 1162 | * License as published by the Free Software Foundation; either 1163 | * version 2 of the License, or (at your option) any later version. 1164 | * 1165 | * This library is distributed in the hope that it will be useful, 1166 | * but WITHOUT ANY WARRANTY; without even the implied warranty of 1167 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 1168 | * Library General Public License for more details. 1169 | * 1170 | * You should have received a copy of the GNU Library General Public 1171 | * License along with this library; if not, write to the Free Software 1172 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. 1173 | */ 1174 | 1175 | /* utility to obtain alphabetically sorted list of genre names with numbers */ 1176 | void CDECL id3tag_genre_list( 1177 | void (*handler)(int, const char *, void *), 1178 | void* cookie); 1179 | 1180 | void CDECL id3tag_init (lame_t gfp); 1181 | 1182 | /* force addition of version 2 tag */ 1183 | void CDECL id3tag_add_v2 (lame_t gfp); 1184 | 1185 | /* add only a version 1 tag */ 1186 | void CDECL id3tag_v1_only (lame_t gfp); 1187 | 1188 | /* add only a version 2 tag */ 1189 | void CDECL id3tag_v2_only (lame_t gfp); 1190 | 1191 | /* pad version 1 tag with spaces instead of nulls */ 1192 | void CDECL id3tag_space_v1 (lame_t gfp); 1193 | 1194 | /* pad version 2 tag with extra 128 bytes */ 1195 | void CDECL id3tag_pad_v2 (lame_t gfp); 1196 | 1197 | /* pad version 2 tag with extra n bytes */ 1198 | void CDECL id3tag_set_pad (lame_t gfp, size_t n); 1199 | 1200 | void CDECL id3tag_set_title(lame_t gfp, const char* title); 1201 | void CDECL id3tag_set_artist(lame_t gfp, const char* artist); 1202 | void CDECL id3tag_set_album(lame_t gfp, const char* album); 1203 | void CDECL id3tag_set_year(lame_t gfp, const char* year); 1204 | void CDECL id3tag_set_comment(lame_t gfp, const char* comment); 1205 | 1206 | /* return -1 result if track number is out of ID3v1 range 1207 | and ignored for ID3v1 */ 1208 | int CDECL id3tag_set_track(lame_t gfp, const char* track); 1209 | 1210 | /* return non-zero result if genre name or number is invalid 1211 | result 0: OK 1212 | result -1: genre number out of range 1213 | result -2: no valid ID3v1 genre name, mapped to ID3v1 'Other' 1214 | but taken as-is for ID3v2 genre tag */ 1215 | int CDECL id3tag_set_genre(lame_t gfp, const char* genre); 1216 | 1217 | /* return non-zero result if field name is invalid */ 1218 | int CDECL id3tag_set_fieldvalue(lame_t gfp, const char* fieldvalue); 1219 | 1220 | /* return non-zero result if image type is invalid */ 1221 | int CDECL id3tag_set_albumart(lame_t gfp, const char* image, size_t size); 1222 | 1223 | /* lame_get_id3v1_tag copies ID3v1 tag into buffer. 1224 | * Function returns number of bytes copied into buffer, or number 1225 | * of bytes rquired if buffer 'size' is too small. 1226 | * Function fails, if returned value is larger than 'size'. 1227 | * NOTE: 1228 | * This functions does nothing, if user/LAME disabled ID3v1 tag. 1229 | */ 1230 | size_t CDECL lame_get_id3v1_tag(lame_t gfp, unsigned char* buffer, size_t size); 1231 | 1232 | /* lame_get_id3v2_tag copies ID3v2 tag into buffer. 1233 | * Function returns number of bytes copied into buffer, or number 1234 | * of bytes rquired if buffer 'size' is too small. 1235 | * Function fails, if returned value is larger than 'size'. 1236 | * NOTE: 1237 | * This functions does nothing, if user/LAME disabled ID3v2 tag. 1238 | */ 1239 | size_t CDECL lame_get_id3v2_tag(lame_t gfp, unsigned char* buffer, size_t size); 1240 | 1241 | /* normaly lame_init_param writes ID3v2 tags into the audio stream 1242 | * Call lame_set_write_id3tag_automatic(gfp, 0) before lame_init_param 1243 | * to turn off this behaviour and get ID3v2 tag with above function 1244 | * write it yourself into your file. 1245 | */ 1246 | void CDECL lame_set_write_id3tag_automatic(lame_global_flags * gfp, int); 1247 | int CDECL lame_get_write_id3tag_automatic(lame_global_flags const* gfp); 1248 | 1249 | /* experimental */ 1250 | int CDECL id3tag_set_textinfo_latin1(lame_t gfp, char const *id, char const *text); 1251 | 1252 | /* experimental */ 1253 | int CDECL id3tag_set_comment_latin1(lame_t gfp, char const *lang, char const *desc, char const *text); 1254 | 1255 | #if DEPRECATED_OR_OBSOLETE_CODE_REMOVED 1256 | #else 1257 | /* experimental */ 1258 | int CDECL id3tag_set_textinfo_ucs2(lame_t gfp, char const *id, unsigned short const *text); 1259 | 1260 | /* experimental */ 1261 | int CDECL id3tag_set_comment_ucs2(lame_t gfp, char const *lang, 1262 | unsigned short const *desc, unsigned short const *text); 1263 | 1264 | /* experimental */ 1265 | int CDECL id3tag_set_fieldvalue_ucs2(lame_t gfp, const unsigned short *fieldvalue); 1266 | #endif 1267 | 1268 | /* experimental */ 1269 | int CDECL id3tag_set_fieldvalue_utf16(lame_t gfp, const unsigned short *fieldvalue); 1270 | 1271 | /* experimental */ 1272 | int CDECL id3tag_set_textinfo_utf16(lame_t gfp, char const *id, unsigned short const *text); 1273 | 1274 | /* experimental */ 1275 | int CDECL id3tag_set_comment_utf16(lame_t gfp, char const *lang, unsigned short const *desc, unsigned short const *text); 1276 | 1277 | 1278 | /*********************************************************************** 1279 | * 1280 | * list of valid bitrates [kbps] & sample frequencies [Hz]. 1281 | * first index: 0: MPEG-2 values (sample frequencies 16...24 kHz) 1282 | * 1: MPEG-1 values (sample frequencies 32...48 kHz) 1283 | * 2: MPEG-2.5 values (sample frequencies 8...12 kHz) 1284 | ***********************************************************************/ 1285 | 1286 | extern const int bitrate_table [3][16]; 1287 | extern const int samplerate_table [3][ 4]; 1288 | 1289 | /* access functions for use in DLL, global vars are not exported */ 1290 | int CDECL lame_get_bitrate(int mpeg_version, int table_index); 1291 | int CDECL lame_get_samplerate(int mpeg_version, int table_index); 1292 | 1293 | 1294 | /* maximum size of albumart image (128KB), which affects LAME_MAXMP3BUFFER 1295 | as well since lame_encode_buffer() also returns ID3v2 tag data */ 1296 | #define LAME_MAXALBUMART (128 * 1024) 1297 | 1298 | /* maximum size of mp3buffer needed if you encode at most 1152 samples for 1299 | each call to lame_encode_buffer. see lame_encode_buffer() below 1300 | (LAME_MAXMP3BUFFER is now obsolete) */ 1301 | #define LAME_MAXMP3BUFFER (16384 + LAME_MAXALBUMART) 1302 | 1303 | 1304 | typedef enum { 1305 | LAME_OKAY = 0, 1306 | LAME_NOERROR = 0, 1307 | LAME_GENERICERROR = -1, 1308 | LAME_NOMEM = -10, 1309 | LAME_BADBITRATE = -11, 1310 | LAME_BADSAMPFREQ = -12, 1311 | LAME_INTERNALERROR = -13, 1312 | 1313 | FRONTEND_READERROR = -80, 1314 | FRONTEND_WRITEERROR = -81, 1315 | FRONTEND_FILETOOLARGE = -82 1316 | 1317 | } lame_errorcodes_t; 1318 | 1319 | #if defined(__cplusplus) 1320 | } 1321 | #endif 1322 | #endif /* LAME_LAME_H */ 1323 | 1324 | -------------------------------------------------------------------------------- /WaveDemo/lame.framework/lame: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/iOSleep/WaveDemo/a0079ca8c213a12e917055a19f5828f5752f88ed/WaveDemo/lame.framework/lame --------------------------------------------------------------------------------