TheLazy.Dev
Portfolio GitHub

Blog

machinelearning |ai |android |hms

Implementing Hair Color Change in a Tap

jacksssson

Jackson

Posted on March 10, 2022

Implementing Hair Color Change in a Tap

Users sometimes want to recolor people's hair in their videos. The color hair capability of HMS Core Video Editor Kit makes it possible for users to choose from a rich array of preset colors to recolor a person's hair, with just a simple tap. In this way, the capability helps make users' videos more interesting.
Hair color change

Function Overview​

  • Processes an image or a video in real time.
  • Supports hair color change for multiple people in an image or a video.
  • Supports color strength adjustment.

Integration Procedure​

Preparations

For details, please check the official document.

Configuring a Video Editing Project

1.Set the app authentication information.
You can set the information through an API key or access token.Use the setAccessToken method to set an access token when the app is started. The access token needs to be set only once.

MediaApplication.getInstance().setAccessToken("your access token");
Enter fullscreen mode Exit fullscreen mode

Use the setApiKey method to set an API key when the app is started. The API key needs to be set only once.

MediaApplication.getInstance().setApiKey("your ApiKey");
Enter fullscreen mode Exit fullscreen mode

2.Set a License ID.
This ID is used to manage your usage quotas, so ensure that the ID is unique.

MediaApplication.getInstance().setLicenseId("License ID");
Enter fullscreen mode Exit fullscreen mode

3.Initialize the running environment for HuaweiVideoEditor.
When creating a video editing project, first create a HuaweiVideoEditor object and initialize its running environment. When exiting a video editing project, release the HuaweiVideoEditor object.
Create a HuaweiVideoEditor object.

HuaweiVideoEditor editor = HuaweiVideoEditor.create(getApplicationContext());
Enter fullscreen mode Exit fullscreen mode

Specify the position for the preview area.
This area renders video images, which is implemented by creating SurfaceView in the fundamental capability SDK. Ensure that the preview area position on your app is specified before creating this area.

<LinearLayout   
    android:id="@+id/video_content_layout"   
    android:layout_width="0dp"   
    android:layout_height="0dp"   
    android:background="@color/video_edit_main_bg_color"   
    android:gravity="center"   
    android:orientation="vertical" />
// Specify the preview area position.
LinearLayout mSdkPreviewContainer = view.findViewById(R.id.video_content_layout);

// Set the layout of the preview area.
editor.setDisplay(mSdkPreviewContainer);
Enter fullscreen mode Exit fullscreen mode

Initialize the running environment. If the license verification fails, LicenseException will be thrown.
After the HuaweiVideoEditor object is created, it has not occupied any system resource. You need to manually set the time for initializing the running environment of the object. Then, necessary threads and timers will be created in the fundamental capability SDK.

try {
        editor.initEnvironment();
   } catch (LicenseException error) {
        SmartLog.e(TAG, "initEnvironment failed: " + error.getErrorMsg());   
        finish();
        return;
   }
Enter fullscreen mode Exit fullscreen mode

4.Add a video or image.
Create a video lane and add a video or image to the lane using the file path.

// Obtain the HVETimeLine object.
HVETimeLine timeline = editor.getTimeLine();

// Create a video lane.
HVEVideoLane videoLane = timeline.appendVideoLane();

// Add a video to the end of the video lane.
HVEVideoAsset videoAsset = videoLane.appendVideoAsset("test.mp4");

// Add an image to the end of the video lane.
HVEImageAsset imageAsset = videoLane.appendImageAsset("test.jpg");
Enter fullscreen mode Exit fullscreen mode

Integrating the Color Hair Capability 

// Initialize the AI algorithm for the color hair effect.
asset.initHairDyeingEngine(new HVEAIInitialCallback() {
        @Override
        public void onProgress(int progress) {
        // Initialization progress.
        }

        @Override
        public void onSuccess() {
        // The initialization is successful.
        }

        @Override
        public void onError(int errorCode, String errorMessage) {
        // The initialization failed.
    }
   });

// Add the color hair effect by specifying a color and the default strength.
asset.addHairDyeingEffect(new HVEAIProcessCallback() {
        @Override
        public void onProgress(int progress) {
            // Handling progress.
        }

        @Override
        public void onSuccess() {
            // The handling is successful.
        }

        @Override
        public void onError(int errorCode, String errorMessage) {
            // The handling failed.
        }
    }, colorPath, defaultStrength);

//Remove the color hair effect.
asset.removeHairDyeingEffect();
Enter fullscreen mode Exit fullscreen mode

This article presents the hair dyeing capability of Video Editor Kit. For more, check here.

💖 💪 🙅 🚩
jacksssson
Jackson

Posted on March 10, 2022

Join Our Newsletter. No Spam, Only the good stuff.

Sign up to receive the latest update from our blog.

Related

Implementing Hair Color Change in a Tap
machinelearning Implementing Hair Color Change in a Tap

March 10, 2022