Example usage for android.graphics SurfaceTexture setOnFrameAvailableListener

Introduction

In this page you can find the example usage for android.graphics SurfaceTexture setOnFrameAvailableListener.

Prototype

public void setOnFrameAvailableListener(@Nullable OnFrameAvailableListener listener) 

Source Link

Document

Register a callback to be invoked when a new image frame becomes available to the SurfaceTexture.

Usage

From source file:demo.camera.library.ui.CameraCaptureActivity.java

/**
 * Connects the SurfaceTexture to the Camera preview output, and starts the preview.
 *//*from   w w  w . j av  a  2s  . c o m*/
private void handleSetSurfaceTexture(SurfaceTexture st) {
    st.setOnFrameAvailableListener(this);
    try {
        mCameraManager.getCamera().setPreviewTexture(st);
    } catch (IOException ioe) {
        throw new RuntimeException(ioe);
    }
    mCameraManager.getCamera().startPreview();
}

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From source file:com.aimfire.demo.CamcorderActivity.java

/**
 * Connects the SurfaceTexture to the Camera preview output, and starts the preview.
 *///from  w w  w .  j  a v a 2 s . c  o  m
private void handleSetSurfaceTexture(SurfaceTexture st) {
    /*
     * when we restart camera after pausing, we tried to use preserved
     * EGL context by setPreserveEGLContextOnPause(true). however this
     * *may* fail on some devices that don't support multiple EGL
     * contexts (haven't come across any but according to documentation
     * this is possible). if that's the case, a new EGL context will be
     * created and we will get here. so to deal with it, we need first
     * stopPreview (as we tried startPreview on the old, potentially
     * invalid SurfaceTexture). when startPreview was not called (for
     * all the other reasons we get here), stopPreview has no negative
     * effect
     */
    mCamera.stopPreview();

    mCameraSurfaceTexture = st;
    st.setOnFrameAvailableListener(this);
    try {
        mCamera.setPreviewTexture(st);
        mCamera.startPreview();
    } catch (IOException e) {
        //throw new RuntimeException(e);
        if (BuildConfig.DEBUG)
            Log.e(TAG, "handleSetSurfaceTexture: cannot setPreviewTexture, surface destroyed");
        FirebaseCrash.report(e);
    }
}

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