Merge pull request BradLarson#1886 from RedQueenCoder/SimpleVideoFilt…

…erPullRequest

Sample project showing how to save filtered video on the Mac

examples/Mac/SimpleVideoFilter/SimpleVideoFilter/AppDelegate.h

@@ -0,0 +1,10 @@
+#import <Cocoa/Cocoa.h>
+#import "SLSSimpleVideoFilterWindowController.h"
+
+@interface AppDelegate : NSObject <NSApplicationDelegate>
+{
+    SLSSimpleVideoFilterWindowController *simpleVideoFilterWindowController;
+}
+
+@end
+

examples/Mac/SimpleVideoFilter/SimpleVideoFilter/AppDelegate.m

@@ -0,0 +1,21 @@
+#import "AppDelegate.h"
+#import <GPUImage/GPUImage.h>
+
+@interface AppDelegate ()
+
+@property (weak) IBOutlet NSWindow *window;
+@end
+
+@implementation AppDelegate
+
+- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
+    // Insert code here to initialize your application
+    simpleVideoFilterWindowController = [[SLSSimpleVideoFilterWindowController alloc] initWithWindowNibName:@"SLSSimpleVideoFilterWindowController"];
+    [simpleVideoFilterWindowController showWindow:self];
+}
+
+- (void)applicationWillTerminate:(NSNotification *)aNotification {
+    // Insert code here to tear down your application
+}
+
+@end

examples/Mac/SimpleVideoFilter/SimpleVideoFilter/Images.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,58 @@
+{
+  "images" : [
+    {
+      "idiom" : "mac",
+      "size" : "16x16",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "16x16",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "32x32",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "32x32",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "128x128",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "128x128",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "256x256",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "256x256",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "512x512",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "mac",
+      "size" : "512x512",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

examples/Mac/SimpleVideoFilter/SimpleVideoFilter/Info.plist

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIconFile</key>
+	<string></string>
+	<key>CFBundleIdentifier</key>
+	<string>com.redqueencoder.$(PRODUCT_NAME:rfc1034identifier)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSMinimumSystemVersion</key>
+	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>Copyright © 2015 Red Queen Coder, LLC. All rights reserved.</string>
+	<key>NSMainNibFile</key>
+	<string>MainMenu</string>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+</dict>
+</plist>

examples/Mac/SimpleVideoFilter/SimpleVideoFilter/SLSSimpleVideoFilterWindowController.h

@@ -0,0 +1,13 @@
+#import <Cocoa/Cocoa.h>
+#import <GPUImage/GPUImage.h>
+
+@interface SLSSimpleVideoFilterWindowController : NSWindowController
+{
+    GPUImageAVCamera *videoCamera;
+    GPUImageOutput<GPUImageInput> *filter;
+    GPUImageMovieWriter *movieWriter;
+}
+
+@property (weak) IBOutlet GPUImageView *videoView;
+
+@end

examples/Mac/SimpleVideoFilter/SimpleVideoFilter/SLSSimpleVideoFilterWindowController.m

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+#import "SLSSimpleVideoFilterWindowController.h"
+
+@interface SLSSimpleVideoFilterWindowController ()
+
+@end
+
+@implementation SLSSimpleVideoFilterWindowController
+
+
+- (void)windowDidLoad {
+    [super windowDidLoad];
+
+    // Implement this method to handle any initialization after your window controller's window has been loaded from its nib file.
+
+    // Instantiate video camera
+    videoCamera = [[GPUImageAVCamera alloc] initWithSessionPreset:AVCaptureSessionPreset640x480 cameraDevice:nil];
+    videoCamera.runBenchmark = YES;
+
+    // Create filter and add it to target
+    filter = [[GPUImageSepiaFilter alloc] init];
+    [videoCamera addTarget:filter];
+
+    // Save video to desktop
+    NSError *error = nil;
+
+    NSURL *pathToDesktop = [[NSFileManager defaultManager] URLForDirectory:NSDesktopDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:YES error:&error];
+    NSURL *pathToMovieFile = [pathToDesktop URLByAppendingPathComponent:@"movie.mp4"];
+    NSString *filePathString = [pathToMovieFile absoluteString];
+    NSString *filePathSubstring = [filePathString substringFromIndex:7];
+    unlink([filePathSubstring UTF8String]);
+
+    // Instantiate movie writer and add targets
+    movieWriter = [[GPUImageMovieWriter alloc] initWithMovieURL:pathToMovieFile size:CGSizeMake(640.0, 480.0)];
+    movieWriter.encodingLiveVideo = YES;
+
+    self.videoView.fillMode = kGPUImageFillModePreserveAspectRatio;
+    [filter addTarget:movieWriter];
+    [filter addTarget:self.videoView];
+
+    // Start capturing
+    [videoCamera startCameraCapture];
+
+    double delayToStartRecording = 0.5;
+    dispatch_time_t startTime = dispatch_time(DISPATCH_TIME_NOW, delayToStartRecording * NSEC_PER_SEC);
+    dispatch_after(startTime, dispatch_get_main_queue(), ^(void){
+        NSLog(@"Start recording");
+
+        videoCamera.audioEncodingTarget = movieWriter;
+        [movieWriter startRecording];
+
+        double delayInSeconds = 10.0;
+        dispatch_time_t stopTime = dispatch_time(DISPATCH_TIME_NOW, delayInSeconds * NSEC_PER_SEC);
+        dispatch_after(stopTime, dispatch_get_main_queue(), ^(void){
+
+            [filter removeTarget:movieWriter];
+            videoCamera.audioEncodingTarget = nil;
+            [movieWriter finishRecording];
+            NSLog(@"Movie completed");
+
+        });
+    });
+
+}
+
+@end

examples/Mac/SimpleVideoFilter/SimpleVideoFilter/SLSSimpleVideoFilterWindowController.xib

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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="6254" systemVersion="14B25" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="6254"/>
+    </dependencies>
+    <objects>
+        <customObject id="-2" userLabel="File's Owner" customClass="SLSSimpleVideoFilterWindowController">
+            <connections>
+                <outlet property="videoView" destination="dd0-IN-e64" id="tXV-v8-36j"/>
+                <outlet property="window" destination="QvC-M9-y7g" id="eyV-Nd-iwu"/>
+            </connections>
+        </customObject>
+        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
+        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
+        <window title="Simple Video Filter View" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" oneShot="NO" releasedWhenClosed="NO" animationBehavior="default" id="QvC-M9-y7g">
+            <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
+            <windowPositionMask key="initialPositionMask" leftStrut="YES" rightStrut="YES" topStrut="YES" bottomStrut="YES"/>
+            <rect key="contentRect" x="196" y="240" width="660" height="500"/>
+            <rect key="screenRect" x="0.0" y="0.0" width="1440" height="877"/>
+            <view key="contentView" id="EiT-Mj-1SZ">
+                <rect key="frame" x="0.0" y="0.0" width="660" height="500"/>
+                <autoresizingMask key="autoresizingMask"/>
+                <subviews>
+                    <customView fixedFrame="YES" translatesAutoresizingMaskIntoConstraints="NO" id="dd0-IN-e64" customClass="GPUImageView">
+                        <rect key="frame" x="10" y="10" width="640" height="480"/>
+                    </customView>
+                </subviews>
+            </view>
+            <connections>
+                <outlet property="delegate" destination="-2" id="viU-Oc-5RF"/>
+            </connections>
+        </window>
+    </objects>
+</document>

examples/Mac/SimpleVideoFilter/SimpleVideoFilter/main.m

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+//
+//  main.m
+//  SimpleVideoFilter
+//
+//  Created by Janie Clayton-Hasz on 1/8/15.
+//  Copyright (c) 2015 Red Queen Coder, LLC. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+int main(int argc, const char * argv[]) {
+    return NSApplicationMain(argc, argv);
+}

examples/Mac/SimpleVideoFilter/SimpleVideoFilterTests/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.redqueencoder.$(PRODUCT_NAME:rfc1034identifier)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

examples/Mac/SimpleVideoFilter/SimpleVideoFilterTests/SimpleVideoFilterTests.m

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+//
+//  SimpleVideoFilterTests.m
+//  SimpleVideoFilterTests
+//
+//  Created by Janie Clayton-Hasz on 1/8/15.
+//  Copyright (c) 2015 Red Queen Coder, LLC. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+#import <XCTest/XCTest.h>
+
+@interface SimpleVideoFilterTests : XCTestCase
+
+@end
+
+@implementation SimpleVideoFilterTests
+
+- (void)setUp {
+    [super setUp];
+    // Put setup code here. This method is called before the invocation of each test method in the class.
+}
+
+- (void)tearDown {
+    // Put teardown code here. This method is called after the invocation of each test method in the class.
+    [super tearDown];
+}
+
+- (void)testExample {
+    // This is an example of a functional test case.
+    XCTAssert(YES, @"Pass");
+}
+
+- (void)testPerformanceExample {
+    // This is an example of a performance test case.
+    [self measureBlock:^{
+        // Put the code you want to measure the time of here.
+    }];
+}
+
+@end