├── .gitignore
├── LICENSE
├── README.md
├── ggwave-objc.xcodeproj
    ├── project.pbxproj
    ├── project.xcworkspace
    │   ├── contents.xcworkspacedata
    │   └── xcshareddata
    │   │   ├── IDEWorkspaceChecks.plist
    │   │   └── swiftpm
    │   │       └── Package.resolved
    └── xcuserdata
    │   └── ggerganov.xcuserdatad
    │       └── xcschemes
    │           └── xcschememanagement.plist
└── ggwave-objc
    ├── AppDelegate.h
    ├── AppDelegate.m
    ├── Assets.xcassets
        ├── AccentColor.colorset
        │   └── Contents.json
        ├── AppIcon.appiconset
        │   └── Contents.json
        └── Contents.json
    ├── Base.lproj
        ├── LaunchScreen.storyboard
        └── Main.storyboard
    ├── Info.plist
    ├── SceneDelegate.h
    ├── SceneDelegate.m
    ├── ViewController.h
    ├── ViewController.m
    └── main.m


/.gitignore:
--------------------------------------------------------------------------------
1 | .DS_Store
2 | ggwave-objc.xcodeproj/project.xcworkspace/xcuserdata/
3 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2021 Georgi Gerganov
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | # ggwave-objc
 2 | 
 3 | Minimal Objective-C app for iOS using [ggwave](https://github.com/ggerganov/ggwave)
 4 | 
 5 | <p float="left">
 6 |   <img src="https://user-images.githubusercontent.com/1991296/115956060-62712800-a503-11eb-96dc-3865effca332.png" width="30%" />
 7 |   <img src="https://user-images.githubusercontent.com/1991296/115956065-6a30cc80-a503-11eb-8018-6e7e597d05f2.png" width="30%" />
 8 | </p>
 9 | 
10 | ## Usage
11 | 
12 | ```bash
13 | git clone https://github.com/ggerganov/ggwave-objc
14 | open ggwave-objc/ggwave-objc.xcodeproj
15 | ```
16 | 


--------------------------------------------------------------------------------
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373 | /* End XCSwiftPackageProductDependency section */
374 | 	};
375 | 	rootObject = 187DC33C26340BE60049F4BF /* Project object */;
376 | }
377 | 


--------------------------------------------------------------------------------
/ggwave-objc.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "self:">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/ggwave-objc.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3 | <plist version="1.0">
4 | <dict>
5 | 	<key>IDEDidComputeMac32BitWarning</key>
6 | 	<true/>
7 | </dict>
8 | </plist>
9 | 


--------------------------------------------------------------------------------
/ggwave-objc.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved:
--------------------------------------------------------------------------------
 1 | {
 2 |   "pins" : [
 3 |     {
 4 |       "identity" : "ggwave-spm",
 5 |       "kind" : "remoteSourceControl",
 6 |       "location" : "https://github.com/ggerganov/ggwave-spm",
 7 |       "state" : {
 8 |         "revision" : "5fba9d067bc480910589699d306320f12e8ea814",
 9 |         "version" : "0.4.0"
10 |       }
11 |     }
12 |   ],
13 |   "version" : 2
14 | }
15 | 


--------------------------------------------------------------------------------
/ggwave-objc.xcodeproj/xcuserdata/ggerganov.xcuserdatad/xcschemes/xcschememanagement.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>SchemeUserState</key>
 6 | 	<dict>
 7 | 		<key>ggwave-objc.xcscheme_^#shared#^_</key>
 8 | 		<dict>
 9 | 			<key>orderHint</key>
10 | 			<integer>0</integer>
11 | 		</dict>
12 | 	</dict>
13 | </dict>
14 | </plist>
15 | 


--------------------------------------------------------------------------------
/ggwave-objc/AppDelegate.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.h
 3 | //  ggwave-objc
 4 | //
 5 | //  Created by Georgi Gerganov on 24.04.21.
 6 | //
 7 | 
 8 | #import <UIKit/UIKit.h>
 9 | 
10 | @interface AppDelegate : UIResponder <UIApplicationDelegate>
11 | 
12 | 
13 | @end
14 | 
15 | 


--------------------------------------------------------------------------------
/ggwave-objc/AppDelegate.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  AppDelegate.m
 3 | //  ggwave-objc
 4 | //
 5 | //  Created by Georgi Gerganov on 24.04.21.
 6 | //
 7 | 
 8 | #import "AppDelegate.h"
 9 | 
10 | @interface AppDelegate ()
11 | 
12 | @end
13 | 
14 | @implementation AppDelegate
15 | 
16 | 
17 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
18 |     // Override point for customization after application launch.
19 |     return YES;
20 | }
21 | 
22 | 
23 | #pragma mark - UISceneSession lifecycle
24 | 
25 | 
26 | - (UISceneConfiguration *)application:(UIApplication *)application configurationForConnectingSceneSession:(UISceneSession *)connectingSceneSession options:(UISceneConnectionOptions *)options {
27 |     // Called when a new scene session is being created.
28 |     // Use this method to select a configuration to create the new scene with.
29 |     return [[UISceneConfiguration alloc] initWithName:@"Default Configuration" sessionRole:connectingSceneSession.role];
30 | }
31 | 
32 | 
33 | - (void)application:(UIApplication *)application didDiscardSceneSessions:(NSSet<UISceneSession *> *)sceneSessions {
34 |     // Called when the user discards a scene session.
35 |     // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
36 |     // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
37 | }
38 | 
39 | 
40 | @end
41 | 


--------------------------------------------------------------------------------
/ggwave-objc/Assets.xcassets/AccentColor.colorset/Contents.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "colors" : [
 3 |     {
 4 |       "idiom" : "universal"
 5 |     }
 6 |   ],
 7 |   "info" : {
 8 |     "author" : "xcode",
 9 |     "version" : 1
10 |   }
11 | }
12 | 


--------------------------------------------------------------------------------
/ggwave-objc/Assets.xcassets/AppIcon.appiconset/Contents.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "iphone",
 5 |       "scale" : "2x",
 6 |       "size" : "20x20"
 7 |     },
 8 |     {
 9 |       "idiom" : "iphone",
10 |       "scale" : "3x",
11 |       "size" : "20x20"
12 |     },
13 |     {
14 |       "idiom" : "iphone",
15 |       "scale" : "2x",
16 |       "size" : "29x29"
17 |     },
18 |     {
19 |       "idiom" : "iphone",
20 |       "scale" : "3x",
21 |       "size" : "29x29"
22 |     },
23 |     {
24 |       "idiom" : "iphone",
25 |       "scale" : "2x",
26 |       "size" : "40x40"
27 |     },
28 |     {
29 |       "idiom" : "iphone",
30 |       "scale" : "3x",
31 |       "size" : "40x40"
32 |     },
33 |     {
34 |       "idiom" : "iphone",
35 |       "scale" : "2x",
36 |       "size" : "60x60"
37 |     },
38 |     {
39 |       "idiom" : "iphone",
40 |       "scale" : "3x",
41 |       "size" : "60x60"
42 |     },
43 |     {
44 |       "idiom" : "ipad",
45 |       "scale" : "1x",
46 |       "size" : "20x20"
47 |     },
48 |     {
49 |       "idiom" : "ipad",
50 |       "scale" : "2x",
51 |       "size" : "20x20"
52 |     },
53 |     {
54 |       "idiom" : "ipad",
55 |       "scale" : "1x",
56 |       "size" : "29x29"
57 |     },
58 |     {
59 |       "idiom" : "ipad",
60 |       "scale" : "2x",
61 |       "size" : "29x29"
62 |     },
63 |     {
64 |       "idiom" : "ipad",
65 |       "scale" : "1x",
66 |       "size" : "40x40"
67 |     },
68 |     {
69 |       "idiom" : "ipad",
70 |       "scale" : "2x",
71 |       "size" : "40x40"
72 |     },
73 |     {
74 |       "idiom" : "ipad",
75 |       "scale" : "1x",
76 |       "size" : "76x76"
77 |     },
78 |     {
79 |       "idiom" : "ipad",
80 |       "scale" : "2x",
81 |       "size" : "76x76"
82 |     },
83 |     {
84 |       "idiom" : "ipad",
85 |       "scale" : "2x",
86 |       "size" : "83.5x83.5"
87 |     },
88 |     {
89 |       "idiom" : "ios-marketing",
90 |       "scale" : "1x",
91 |       "size" : "1024x1024"
92 |     }
93 |   ],
94 |   "info" : {
95 |     "author" : "xcode",
96 |     "version" : 1
97 |   }
98 | }
99 | 


--------------------------------------------------------------------------------
/ggwave-objc/Assets.xcassets/Contents.json:
--------------------------------------------------------------------------------
1 | {
2 |   "info" : {
3 |     "author" : "xcode",
4 |     "version" : 1
5 |   }
6 | }
7 | 


--------------------------------------------------------------------------------
/ggwave-objc/Base.lproj/LaunchScreen.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
 3 |     <dependencies>
 4 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
 5 |         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
 6 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
 7 |     </dependencies>
 8 |     <scenes>
 9 |         <!--View Controller-->
10 |         <scene sceneID="EHf-IW-A2E">
11 |             <objects>
12 |                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
13 |                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
14 |                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
15 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
16 |                         <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
17 |                         <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
18 |                     </view>
19 |                 </viewController>
20 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
21 |             </objects>
22 |             <point key="canvasLocation" x="53" y="375"/>
23 |         </scene>
24 |     </scenes>
25 | </document>
26 | 


--------------------------------------------------------------------------------
/ggwave-objc/Base.lproj/Main.storyboard:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="UTF-8"?>
  2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="17701" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
  3 |     <device id="retina6_1" orientation="portrait" appearance="light"/>
  4 |     <dependencies>
  5 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="17703"/>
  6 |         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
  7 |         <capability name="System colors in document resources" minToolsVersion="11.0"/>
  8 |         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
  9 |     </dependencies>
 10 |     <scenes>
 11 |         <!--View Controller-->
 12 |         <scene sceneID="tne-QT-ifu">
 13 |             <objects>
 14 |                 <viewController id="BYZ-38-t0r" customClass="ViewController" sceneMemberID="viewController">
 15 |                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
 16 |                         <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
 17 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
 18 |                         <subviews>
 19 |                             <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="BI9-HV-ggo">
 20 |                                 <rect key="frame" x="39" y="199" width="156" height="34"/>
 21 |                                 <color key="backgroundColor" systemColor="opaqueSeparatorColor"/>
 22 |                                 <color key="tintColor" systemColor="opaqueSeparatorColor"/>
 23 |                                 <state key="normal" title="Start Capturing">
 24 |                                     <color key="titleColor" systemColor="labelColor"/>
 25 |                                 </state>
 26 |                                 <connections>
 27 |                                     <action selector="toggleCapture:" destination="BYZ-38-t0r" eventType="touchUpInside" id="4Pg-QD-6Ed"/>
 28 |                                 </connections>
 29 |                             </button>
 30 |                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Status: Idle" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="aGv-CU-kQ0">
 31 |                                 <rect key="frame" x="39" y="113" width="232" height="21"/>
 32 |                                 <fontDescription key="fontDescription" type="system" pointSize="17"/>
 33 |                                 <nil key="textColor"/>
 34 |                                 <nil key="highlightedColor"/>
 35 |                             </label>
 36 |                             <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="9B1-Ta-tyQ">
 37 |                                 <rect key="frame" x="39" y="361" width="156" height="34"/>
 38 |                                 <color key="backgroundColor" systemColor="opaqueSeparatorColor"/>
 39 |                                 <color key="tintColor" systemColor="opaqueSeparatorColor"/>
 40 |                                 <state key="normal" title="Send Message">
 41 |                                     <color key="titleColor" systemColor="labelColor"/>
 42 |                                 </state>
 43 |                                 <connections>
 44 |                                     <action selector="togglePlayback:" destination="BYZ-38-t0r" eventType="touchUpInside" id="bQt-5O-x1i"/>
 45 |                                 </connections>
 46 |                             </button>
 47 |                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Received:" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Sa3-2h-Fr3">
 48 |                                 <rect key="frame" x="39" y="155" width="355" height="28"/>
 49 |                                 <constraints>
 50 |                                     <constraint firstAttribute="height" constant="28" id="sLX-aE-Ngk"/>
 51 |                                 </constraints>
 52 |                                 <fontDescription key="fontDescription" type="system" pointSize="17"/>
 53 |                                 <nil key="textColor"/>
 54 |                                 <nil key="highlightedColor"/>
 55 |                             </label>
 56 |                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Status: Idle" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Q0m-qh-rgI">
 57 |                                 <rect key="frame" x="39" y="270" width="226" height="21"/>
 58 |                                 <fontDescription key="fontDescription" type="system" pointSize="17"/>
 59 |                                 <nil key="textColor"/>
 60 |                                 <nil key="highlightedColor"/>
 61 |                             </label>
 62 |                             <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Message to send:" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="0qp-ij-OPW">
 63 |                                 <rect key="frame" x="39" y="313" width="280" height="21"/>
 64 |                                 <fontDescription key="fontDescription" type="system" pointSize="17"/>
 65 |                                 <nil key="textColor"/>
 66 |                                 <nil key="highlightedColor"/>
 67 |                             </label>
 68 |                         </subviews>
 69 |                         <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
 70 |                         <color key="backgroundColor" systemColor="systemBackgroundColor"/>
 71 |                         <constraints>
 72 |                             <constraint firstItem="6Tk-OE-BBY" firstAttribute="trailing" secondItem="0qp-ij-OPW" secondAttribute="trailing" constant="95" id="3yw-Xh-D7k"/>
 73 |                             <constraint firstItem="Sa3-2h-Fr3" firstAttribute="trailing" secondItem="8bC-Xf-vdC" secondAttribute="trailingMargin" id="6wN-kj-sg4"/>
 74 |                             <constraint firstItem="6Tk-OE-BBY" firstAttribute="trailing" secondItem="aGv-CU-kQ0" secondAttribute="trailing" constant="143" id="6xh-Id-JlC"/>
 75 |                             <constraint firstItem="9B1-Ta-tyQ" firstAttribute="top" secondItem="0qp-ij-OPW" secondAttribute="bottom" constant="27" id="7Wv-T8-dMe"/>
 76 |                             <constraint firstItem="9B1-Ta-tyQ" firstAttribute="trailing" secondItem="BI9-HV-ggo" secondAttribute="trailing" id="Bts-yz-WXp"/>
 77 |                             <constraint firstItem="0qp-ij-OPW" firstAttribute="leading" secondItem="9B1-Ta-tyQ" secondAttribute="leading" id="DnV-sQ-haR"/>
 78 |                             <constraint firstItem="aGv-CU-kQ0" firstAttribute="leading" secondItem="Sa3-2h-Fr3" secondAttribute="leading" id="KKC-MG-JEI"/>
 79 |                             <constraint firstItem="Q0m-qh-rgI" firstAttribute="top" secondItem="BI9-HV-ggo" secondAttribute="bottom" constant="37" id="Kky-xT-4dW"/>
 80 |                             <constraint firstItem="Q0m-qh-rgI" firstAttribute="leading" secondItem="BI9-HV-ggo" secondAttribute="leading" id="L5m-et-35h"/>
 81 |                             <constraint firstItem="BI9-HV-ggo" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" constant="39" id="LYc-e6-foR"/>
 82 |                             <constraint firstItem="6Tk-OE-BBY" firstAttribute="trailing" secondItem="BI9-HV-ggo" secondAttribute="trailing" constant="219" id="QKQ-ji-5q3"/>
 83 |                             <constraint firstItem="aGv-CU-kQ0" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" constant="39" id="U07-J1-jjq"/>
 84 |                             <constraint firstItem="Sa3-2h-Fr3" firstAttribute="top" secondItem="aGv-CU-kQ0" secondAttribute="bottom" constant="21" id="U8T-s6-Caz"/>
 85 |                             <constraint firstItem="6Tk-OE-BBY" firstAttribute="trailing" secondItem="Q0m-qh-rgI" secondAttribute="trailing" constant="149" id="UXC-GN-YV1"/>
 86 |                             <constraint firstItem="Q0m-qh-rgI" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" constant="39" id="aq0-ln-1Xd"/>
 87 |                             <constraint firstItem="0qp-ij-OPW" firstAttribute="top" secondItem="Q0m-qh-rgI" secondAttribute="bottom" constant="22" id="dvg-uW-DdW"/>
 88 |                             <constraint firstItem="Q0m-qh-rgI" firstAttribute="leading" secondItem="0qp-ij-OPW" secondAttribute="leading" id="fJe-tf-rXh"/>
 89 |                             <constraint firstItem="BI9-HV-ggo" firstAttribute="top" secondItem="Sa3-2h-Fr3" secondAttribute="bottom" constant="16" id="gWl-Li-4RV"/>
 90 |                             <constraint firstItem="aGv-CU-kQ0" firstAttribute="top" secondItem="6Tk-OE-BBY" secondAttribute="top" constant="69" id="w4K-FS-oZW"/>
 91 |                         </constraints>
 92 |                     </view>
 93 |                     <connections>
 94 |                         <outlet property="buttonToggleCapture" destination="BI9-HV-ggo" id="GCc-q5-lij"/>
 95 |                         <outlet property="labelMessageToSend" destination="0qp-ij-OPW" id="5T5-6e-HgZ"/>
 96 |                         <outlet property="labelReceived" destination="Sa3-2h-Fr3" id="ZPE-fd-FZH"/>
 97 |                         <outlet property="labelStatusInp" destination="aGv-CU-kQ0" id="7AS-3p-bVr"/>
 98 |                         <outlet property="labelStatusOut" destination="Q0m-qh-rgI" id="bcW-vv-uG1"/>
 99 |                     </connections>
100 |                 </viewController>
101 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
102 |             </objects>
103 |             <point key="canvasLocation" x="-23.188405797101453" y="71.651785714285708"/>
104 |         </scene>
105 |     </scenes>
106 |     <resources>
107 |         <systemColor name="labelColor">
108 |             <color white="0.0" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
109 |         </systemColor>
110 |         <systemColor name="opaqueSeparatorColor">
111 |             <color red="0.77647058823529413" green="0.77647058823529413" blue="0.78431372549019607" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
112 |         </systemColor>
113 |         <systemColor name="systemBackgroundColor">
114 |             <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
115 |         </systemColor>
116 |     </resources>
117 | </document>
118 | 


--------------------------------------------------------------------------------
/ggwave-objc/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>NSMicrophoneUsageDescription</key>
 6 | 	<string>This app requires microphone access in order to receive audio messages</string>
 7 | 	<key>CFBundleDevelopmentRegion</key>
 8 | 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 9 | 	<key>CFBundleExecutable</key>
10 | 	<string>$(EXECUTABLE_NAME)</string>
11 | 	<key>CFBundleIdentifier</key>
12 | 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
13 | 	<key>CFBundleInfoDictionaryVersion</key>
14 | 	<string>6.0</string>
15 | 	<key>CFBundleName</key>
16 | 	<string>$(PRODUCT_NAME)</string>
17 | 	<key>CFBundlePackageType</key>
18 | 	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
19 | 	<key>CFBundleShortVersionString</key>
20 | 	<string>1.0</string>
21 | 	<key>CFBundleVersion</key>
22 | 	<string>1</string>
23 | 	<key>LSRequiresIPhoneOS</key>
24 | 	<true/>
25 | 	<key>UIApplicationSceneManifest</key>
26 | 	<dict>
27 | 		<key>UIApplicationSupportsMultipleScenes</key>
28 | 		<false/>
29 | 		<key>UISceneConfigurations</key>
30 | 		<dict>
31 | 			<key>UIWindowSceneSessionRoleApplication</key>
32 | 			<array>
33 | 				<dict>
34 | 					<key>UISceneConfigurationName</key>
35 | 					<string>Default Configuration</string>
36 | 					<key>UISceneDelegateClassName</key>
37 | 					<string>SceneDelegate</string>
38 | 					<key>UISceneStoryboardFile</key>
39 | 					<string>Main</string>
40 | 				</dict>
41 | 			</array>
42 | 		</dict>
43 | 	</dict>
44 | 	<key>UIApplicationSupportsIndirectInputEvents</key>
45 | 	<true/>
46 | 	<key>UILaunchStoryboardName</key>
47 | 	<string>LaunchScreen</string>
48 | 	<key>UIMainStoryboardFile</key>
49 | 	<string>Main</string>
50 | 	<key>UIRequiredDeviceCapabilities</key>
51 | 	<array>
52 | 		<string>armv7</string>
53 | 	</array>
54 | 	<key>UISupportedInterfaceOrientations</key>
55 | 	<array>
56 | 		<string>UIInterfaceOrientationPortrait</string>
57 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
58 | 		<string>UIInterfaceOrientationLandscapeRight</string>
59 | 	</array>
60 | 	<key>UISupportedInterfaceOrientations~ipad</key>
61 | 	<array>
62 | 		<string>UIInterfaceOrientationPortrait</string>
63 | 		<string>UIInterfaceOrientationPortraitUpsideDown</string>
64 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
65 | 		<string>UIInterfaceOrientationLandscapeRight</string>
66 | 	</array>
67 | </dict>
68 | </plist>
69 | 


--------------------------------------------------------------------------------
/ggwave-objc/SceneDelegate.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  SceneDelegate.h
 3 | //  ggwave-objc
 4 | //
 5 | //  Created by Georgi Gerganov on 24.04.21.
 6 | //
 7 | 
 8 | #import <UIKit/UIKit.h>
 9 | 
10 | @interface SceneDelegate : UIResponder <UIWindowSceneDelegate>
11 | 
12 | @property (strong, nonatomic) UIWindow * window;
13 | 
14 | @end
15 | 
16 | 


--------------------------------------------------------------------------------
/ggwave-objc/SceneDelegate.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  SceneDelegate.m
 3 | //  ggwave-objc
 4 | //
 5 | //  Created by Georgi Gerganov on 24.04.21.
 6 | //
 7 | 
 8 | #import "SceneDelegate.h"
 9 | 
10 | @interface SceneDelegate ()
11 | 
12 | @end
13 | 
14 | @implementation SceneDelegate
15 | 
16 | 
17 | - (void)scene:(UIScene *)scene willConnectToSession:(UISceneSession *)session options:(UISceneConnectionOptions *)connectionOptions {
18 |     // Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`.
19 |     // If using a storyboard, the `window` property will automatically be initialized and attached to the scene.
20 |     // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead).
21 | }
22 | 
23 | 
24 | - (void)sceneDidDisconnect:(UIScene *)scene {
25 |     // Called as the scene is being released by the system.
26 |     // This occurs shortly after the scene enters the background, or when its session is discarded.
27 |     // Release any resources associated with this scene that can be re-created the next time the scene connects.
28 |     // The scene may re-connect later, as its session was not necessarily discarded (see `application:didDiscardSceneSessions` instead).
29 | }
30 | 
31 | 
32 | - (void)sceneDidBecomeActive:(UIScene *)scene {
33 |     // Called when the scene has moved from an inactive state to an active state.
34 |     // Use this method to restart any tasks that were paused (or not yet started) when the scene was inactive.
35 | }
36 | 
37 | 
38 | - (void)sceneWillResignActive:(UIScene *)scene {
39 |     // Called when the scene will move from an active state to an inactive state.
40 |     // This may occur due to temporary interruptions (ex. an incoming phone call).
41 | }
42 | 
43 | 
44 | - (void)sceneWillEnterForeground:(UIScene *)scene {
45 |     // Called as the scene transitions from the background to the foreground.
46 |     // Use this method to undo the changes made on entering the background.
47 | }
48 | 
49 | 
50 | - (void)sceneDidEnterBackground:(UIScene *)scene {
51 |     // Called as the scene transitions from the foreground to the background.
52 |     // Use this method to save data, release shared resources, and store enough scene-specific state information
53 |     // to restore the scene back to its current state.
54 | }
55 | 
56 | 
57 | @end
58 | 


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/ggwave-objc/ViewController.h:
--------------------------------------------------------------------------------
 1 | //
 2 | //  ViewController.h
 3 | //  ggwave-objc
 4 | //
 5 | //  Created by Georgi Gerganov on 24.04.21.
 6 | //
 7 | 
 8 | #import <UIKit/UIKit.h>
 9 | 
10 | #import <AVFoundation/AVFoundation.h>
11 | #import <AudioToolbox/AudioQueue.h>
12 | 
13 | #define NUM_BUFFERS 3
14 | 
15 | typedef struct
16 | {
17 |     int ggwaveId;
18 |     bool isCapturing;
19 |     UILabel * labelReceived;
20 | 
21 |     AudioQueueRef queue;
22 |     AudioStreamBasicDescription dataFormat;
23 |     AudioQueueBufferRef buffers[NUM_BUFFERS];
24 | } StateInp;
25 | 
26 | typedef struct
27 | {
28 |     bool isPlaying;
29 |     int ggwaveId;
30 |     int offset;
31 |     int totalBytes;
32 |     NSMutableData * waveform;
33 |     UILabel * labelStatus;
34 | 
35 |     AudioQueueRef queue;
36 |     AudioStreamBasicDescription dataFormat;
37 |     AudioQueueBufferRef buffers[NUM_BUFFERS];
38 | } StateOut;
39 | 
40 | @interface ViewController : UIViewController
41 | {
42 |     StateInp stateInp;
43 |     StateOut stateOut;
44 | }
45 | 
46 | @end
47 | 


--------------------------------------------------------------------------------
/ggwave-objc/ViewController.m:
--------------------------------------------------------------------------------
  1 | //
  2 | //  ViewController.m
  3 | //  ggwave-objc
  4 | //
  5 | //  Created by Georgi Gerganov on 24.04.21.
  6 | //
  7 | 
  8 | #import "ViewController.h"
  9 | 
 10 | #import "ggwave/ggwave.h"
 11 | 
 12 | #define NUM_BYTES_PER_BUFFER 16*1024
 13 | 
 14 | // the text message to transmit:
 15 | const char* kDefaultMessageToSend = "Hello iOS!";
 16 | 
 17 | // callback used to process captured audio
 18 | void AudioInputCallback(void * inUserData,
 19 |                         AudioQueueRef inAQ,
 20 |                         AudioQueueBufferRef inBuffer,
 21 |                         const AudioTimeStamp * inStartTime,
 22 |                         UInt32 inNumberPacketDescriptions,
 23 |                         const AudioStreamPacketDescription * inPacketDescs);
 24 | 
 25 | // callback used to playback generated audio
 26 | void AudioOutputCallback(void * inUserData,
 27 |                          AudioQueueRef outAQ,
 28 |                          AudioQueueBufferRef outBuffer);
 29 | 
 30 | @interface ViewController ()
 31 | 
 32 | @property (weak, nonatomic) IBOutlet UILabel *labelStatusInp;
 33 | @property (weak, nonatomic) IBOutlet UILabel *labelReceived;
 34 | @property (weak, nonatomic) IBOutlet UILabel *labelStatusOut;
 35 | @property (weak, nonatomic) IBOutlet UILabel *labelMessageToSend;
 36 | @property (weak, nonatomic) IBOutlet UIButton *buttonToggleCapture;
 37 | 
 38 | @end
 39 | 
 40 | @implementation ViewController
 41 | 
 42 | - (void)setupAudioFormat:(AudioStreamBasicDescription*)format
 43 | {
 44 |     //format->mSampleRate = 48000.0; // it seems that sometimes 48kHz is not supported by the device
 45 |     format->mSampleRate = 44100.0;
 46 | 	format->mFormatID = kAudioFormatLinearPCM;
 47 | 	format->mFramesPerPacket = 1;
 48 | 	format->mChannelsPerFrame = 1;
 49 | 	format->mBytesPerFrame = 2;
 50 | 	format->mBytesPerPacket = 2;
 51 | 	format->mBitsPerChannel = 16;
 52 | 	format->mReserved = 0;
 53 | 	format->mFormatFlags = kLinearPCMFormatFlagIsSignedInteger;
 54 | }
 55 | 
 56 | - (void)viewDidLoad {
 57 |     [super viewDidLoad];
 58 | 
 59 |     // initialize audio format
 60 | 
 61 |     [self setupAudioFormat:&stateInp.dataFormat];
 62 |     [self setupAudioFormat:&stateOut.dataFormat];
 63 | 
 64 |     // initialize the GGWave instances:
 65 | 
 66 |     // RX
 67 |     {
 68 |         ggwave_Parameters parameters = ggwave_getDefaultParameters();
 69 | 
 70 |         // this will cause the ggwave instance to resample the input to the default sample rate (48kHz)
 71 |         parameters.sampleRateInp   = stateInp.dataFormat.mSampleRate;
 72 | 
 73 |         parameters.sampleFormatInp = GGWAVE_SAMPLE_FORMAT_I16;
 74 |         parameters.sampleFormatOut = GGWAVE_SAMPLE_FORMAT_I16;
 75 | 
 76 |         stateInp.ggwaveId = ggwave_init(parameters);
 77 | 
 78 |         printf("GGWave capture instance initialized - instance id = %d\n", stateInp.ggwaveId);
 79 |     }
 80 | 
 81 |     // TX
 82 |     {
 83 |         ggwave_Parameters parameters = ggwave_getDefaultParameters();
 84 | 
 85 |         // this will cause the ggwave instance to resample the output to the configured sample rate
 86 |         parameters.sampleRateOut   = stateOut.dataFormat.mSampleRate;
 87 | 
 88 |         parameters.sampleFormatInp = GGWAVE_SAMPLE_FORMAT_I16;
 89 |         parameters.sampleFormatOut = GGWAVE_SAMPLE_FORMAT_I16;
 90 | 
 91 |         stateOut.ggwaveId = ggwave_init(parameters);
 92 | 
 93 |         printf("GGWave playback instance initialized - instance id = %d\n", stateOut.ggwaveId);
 94 |     }
 95 | 
 96 |     // uncomment to disable internal logging from ggwave
 97 |     //ggwave_setLogFile(NULL);
 98 | 
 99 |     // UI
100 | 
101 |     stateInp.labelReceived = _labelReceived;
102 |     stateOut.labelStatus = _labelStatusOut;
103 |     _labelMessageToSend.text = [@"Message to send: " stringByAppendingString:[NSString stringWithFormat:@"%s", kDefaultMessageToSend]];
104 | }
105 | 
106 | -(IBAction) stopCapturing
107 | {
108 |     printf("Stop capturing\n");
109 | 
110 |     _labelStatusInp.text = @"Status: Idle";
111 |     _labelReceived.text = @"Received: ";
112 | 
113 |     stateInp.isCapturing = false;
114 | 
115 |     AudioQueueStop(stateInp.queue, true);
116 |     for (int i = 0; i < NUM_BUFFERS; i++) {
117 |         AudioQueueFreeBuffer(stateInp.queue, stateInp.buffers[i]);
118 |     }
119 | 
120 |     AudioQueueDispose(stateInp.queue, true);
121 | }
122 | 
123 | - (IBAction)toggleCapture:(id)sender {
124 |     if (stateInp.isCapturing) {
125 |         [self stopCapturing];
126 |         [sender setTitle:@"Start Capturing" forState:UIControlStateNormal];
127 | 
128 |         return;
129 |     }
130 | 
131 |     // initiate audio capturing
132 |     // the GGWave analysis is performed in the capture callback
133 | 
134 |     printf("Start capturing\n");
135 | 
136 |     OSStatus status = AudioQueueNewInput(&stateInp.dataFormat,
137 |                                          AudioInputCallback,
138 |                                          &stateInp,
139 |                                          CFRunLoopGetCurrent(),
140 |                                          kCFRunLoopCommonModes,
141 |                                          0,
142 |                                          &stateInp.queue);
143 | 
144 |     if (status == 0) {
145 |         for (int i = 0; i < NUM_BUFFERS; i++) {
146 |             AudioQueueAllocateBuffer(stateInp.queue, NUM_BYTES_PER_BUFFER, &stateInp.buffers[i]);
147 |             AudioQueueEnqueueBuffer (stateInp.queue, stateInp.buffers[i], 0, NULL);
148 |         }
149 | 
150 |         stateInp.isCapturing = true;
151 |         status = AudioQueueStart(stateInp.queue, NULL);
152 |         if (status == 0) {
153 |             _labelStatusInp.text = @"Status: Capturing";
154 |             [sender setTitle:@"Stop Capturing" forState:UIControlStateNormal];
155 |         }
156 |     }
157 | 
158 |     if (status != 0) {
159 |         [self stopCapturing];
160 |     }
161 | }
162 | 
163 | -(IBAction) stopPlayback
164 | {
165 |     printf("Stop playback\n");
166 | 
167 |     _labelStatusOut.text = @"Status: Idle";
168 | 
169 |     stateOut.isPlaying = false;
170 | 
171 |     for (int i = 0; i < NUM_BUFFERS; i++) {
172 |         AudioQueueFreeBuffer(stateOut.queue, stateOut.buffers[i]);
173 |     }
174 | 
175 |     AudioQueueDispose(stateOut.queue, true);
176 | }
177 | 
178 | 
179 | - (IBAction)togglePlayback:(id)sender {
180 |     if (stateOut.isPlaying) {
181 |         [self stopPlayback];
182 |         [sender setTitle:@"Send Message" forState:UIControlStateNormal];
183 | 
184 |         return;
185 |     }
186 | 
187 |     // prepare audio message using GGWave
188 |     {
189 |         const char * payload = kDefaultMessageToSend;
190 |         const int len = (int) strlen(payload);
191 | 
192 |         const int n = ggwave_encode(stateOut.ggwaveId, payload, len, GGWAVE_PROTOCOL_AUDIBLE_FAST, 10, NULL, 1);
193 | 
194 |         stateOut.waveform = [NSMutableData dataWithLength:sizeof(char)*n];
195 | 
196 |         const int ret = ggwave_encode(stateOut.ggwaveId, payload, len, GGWAVE_PROTOCOL_AUDIBLE_FAST, 10, [stateOut.waveform mutableBytes], 0);
197 | 
198 |         if (ret > n) {
199 |             printf("failed to encode the message '%s', n = %d, ret = %d\n", payload, n, ret);
200 |             return;
201 |         }
202 | 
203 |         stateOut.offset = 0;
204 |         stateOut.totalBytes = n;
205 |     }
206 | 
207 |     // initiate playback
208 | 
209 |     printf("Send message\n");
210 | 
211 |     OSStatus status = AudioQueueNewOutput(&stateOut.dataFormat,
212 |                                           AudioOutputCallback,
213 |                                           &stateOut,
214 |                                           CFRunLoopGetCurrent(),
215 |                                           kCFRunLoopCommonModes,
216 |                                           0,
217 |                                           &stateOut.queue);
218 | 
219 |     if (status == 0) {
220 |         stateOut.isPlaying = true;
221 |         for (int i = 0; i < NUM_BUFFERS && stateOut.isPlaying; i++) {
222 |             AudioQueueAllocateBuffer(stateOut.queue, NUM_BYTES_PER_BUFFER, &stateOut.buffers[i]);
223 |             AudioOutputCallback(&stateOut, stateOut.queue, stateOut.buffers[i]);
224 |         }
225 | 
226 |         status = AudioQueueStart(stateOut.queue, NULL);
227 |         if (status == 0) {
228 |             _labelStatusOut.text = @"Status: Playing audio";
229 |         }
230 |     }
231 | 
232 |     if (status != 0) {
233 |         [self stopPlayback];
234 |     }
235 | }
236 | 
237 | @end
238 | 
239 | 
240 | //
241 | // Callback implmentation
242 | //
243 | 
244 | void AudioInputCallback(void * inUserData,
245 |                         AudioQueueRef inAQ,
246 |                         AudioQueueBufferRef inBuffer,
247 |                         const AudioTimeStamp * inStartTime,
248 |                         UInt32 inNumberPacketDescriptions,
249 |                         const AudioStreamPacketDescription * inPacketDescs)
250 | {
251 | 	StateInp * stateInp = (StateInp*)inUserData;
252 | 
253 |     if (!stateInp->isCapturing) {
254 |         printf("Not capturing, returning\n");
255 |         return;
256 |     }
257 | 
258 |     char decoded[256];
259 | 
260 |     // analyze captured audio
261 |     int ret = ggwave_ndecode(stateInp->ggwaveId, (char *)inBuffer->mAudioData, inBuffer->mAudioDataByteSize, decoded, 256);
262 | 
263 |     // check if a message has been received
264 |     if (ret > 0) {
265 |         decoded[ret] = 0; // null terminate the string
266 |         stateInp->labelReceived.text = [@"Received: " stringByAppendingString:[NSString stringWithFormat:@"%s", decoded]];
267 |     }
268 | 
269 |     // put the buffer back in the queue
270 |     AudioQueueEnqueueBuffer(stateInp->queue, inBuffer, 0, NULL);
271 | }
272 | 
273 | void AudioOutputCallback(void * inUserData,
274 |                          AudioQueueRef outAQ,
275 |                          AudioQueueBufferRef outBuffer)
276 | {
277 | 	StateOut* stateOut = (StateOut*)inUserData;
278 |     if (!stateOut->isPlaying) {
279 |         printf("Not playing, returning\n");
280 |         return;
281 |     }
282 | 
283 |     int nRemainingBytes = stateOut->totalBytes - stateOut->offset;
284 | 
285 |     // check if there is any audio left to play
286 |     if (nRemainingBytes > 0) {
287 |         int nBytesToPush = MIN(nRemainingBytes, NUM_BYTES_PER_BUFFER);
288 | 
289 |         memcpy(outBuffer->mAudioData, [stateOut->waveform mutableBytes] + stateOut->offset, nBytesToPush);
290 |         outBuffer->mAudioDataByteSize = nBytesToPush;
291 | 
292 |         OSStatus status = AudioQueueEnqueueBuffer(stateOut->queue, outBuffer, 0, NULL);
293 |         if (status != 0) {
294 |             printf("Failed to enqueue audio data\n");
295 |         }
296 | 
297 |         stateOut->offset += nBytesToPush;
298 |     } else {
299 |         // no audio left - stop playback
300 |         if (stateOut->isPlaying) {
301 |             printf("Stopping playback\n");
302 |             AudioQueueStop(stateOut->queue, false);
303 |             stateOut->isPlaying = false;
304 |             stateOut->labelStatus.text = @"Status: Idle";
305 |         }
306 | 
307 |         AudioQueueFreeBuffer(stateOut->queue, outBuffer);
308 |     }
309 | }
310 | 


--------------------------------------------------------------------------------
/ggwave-objc/main.m:
--------------------------------------------------------------------------------
 1 | //
 2 | //  main.m
 3 | //  ggwave-objc
 4 | //
 5 | //  Created by Georgi Gerganov on 24.04.21.
 6 | //
 7 | 
 8 | #import <UIKit/UIKit.h>
 9 | #import "AppDelegate.h"
10 | 
11 | int main(int argc, char * argv[]) {
12 |     NSString * appDelegateClassName;
13 |     @autoreleasepool {
14 |         // Setup code that might create autoreleased objects goes here.
15 |         appDelegateClassName = NSStringFromClass([AppDelegate class]);
16 |     }
17 |     return UIApplicationMain(argc, argv, nil, appDelegateClassName);
18 | }
19 | 


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