Example usage for android.graphics SurfaceTexture setDefaultBufferSize

Introduction

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

Prototype

public void setDefaultBufferSize(int width, int height) 

Source Link

Document

Set the default size of the image buffers.

Usage

From source file:com.example.camera2apidemo.Camera2BasicFragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *//*from  w  ww  . j  a v a  2  s  . c o m*/
private void createCameraPreviewSession() {
    try {// ?texture
        SurfaceTexture texture = mTextureView.getSurfaceTexture();
        assert texture != null;

        // We configure the size of default buffer to be the size of camera preview we want.
        texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());

        // This is the output Surface we need to start preview.
        Surface surface = new Surface(texture);

        // We set up a CaptureRequest.Builder with the output Surface.
        // 
        //             CameraDeviceCameraCaptureSession?CameraCaptureSession??
        mPreviewRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        mPreviewRequestBuilder.addTarget(surface);

        // Here, we create a CameraCaptureSession for camera preview.
        /*???
        ???CameraDeviceCameraCaptureSession?
             CameraCaptureSession??
        CameraCaptureSession???
        ?Surface?
        ??CameraCaptureSession
        ?Handler?
        */
        mCameraDevice.createCaptureSession(Arrays.asList(surface, mImageReader.getSurface()),
                new CameraCaptureSession.StateCallback() {

                    @Override
                    public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) {
                        // The camera is already closed
                        if (null == mCameraDevice) {
                            return;
                        }

                        // When the session is ready, we start displaying the preview.
                        // ??, ?field?? mCaptureSession
                        mCaptureSession = cameraCaptureSession;
                        try {
                            // Auto focus should be continuous for camera preview.
                            // 
                            mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE,
                                    CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
                            // Flash is automatically enabled when necessary.
                            setAutoFlash(mPreviewRequestBuilder); // 

                            // Finally, we start displaying the camera preview.
                            // 
                            mPreviewRequest = mPreviewRequestBuilder.build();
                            // ???, 
                            mCaptureSession.setRepeatingRequest(mPreviewRequest, mCaptureCallback,
                                    mBackgroundHandler);
                        } catch (CameraAccessException e) {
                            e.printStackTrace();
                        }
                    }

                    @Override
                    public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) {
                        showToast("Failed");
                    }
                }, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

---

From source file:research.dlsu.cacaoapp.Camera2BasicFragment1.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *///from  w  w w.  j  av a2s  .co  m
private void createCameraPreviewSession() {
    try {
        SurfaceTexture texture = mTextureView.getSurfaceTexture();
        assert texture != null;

        // We configure the size of default buffer to be the size of camera preview we want.
        texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());

        // This is the output Surface we need to start preview.
        Surface surface = new Surface(texture);

        // We set up a CaptureRequest.Builder with the output Surface.
        mPreviewRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        mPreviewRequestBuilder.addTarget(surface);

        // Here, we create a CameraCaptureSession for camera preview.
        mCameraDevice.createCaptureSession(Arrays.asList(surface, mImageReader.getSurface()),
                new CameraCaptureSession.StateCallback() {

                    @Override
                    public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) {
                        // The camera is already closed
                        if (null == mCameraDevice) {
                            return;
                        }

                        // When the session is ready, we start displaying the preview.
                        mCaptureSession = cameraCaptureSession;
                        try {
                            // Auto focus should be continuous for camera preview.
                            mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE,
                                    CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
                            // Flash is automatically enabled when necessary.
                            setAutoFlash(mPreviewRequestBuilder);

                            // Finally, we start displaying the camera preview.
                            mPreviewRequest = mPreviewRequestBuilder.build();
                            mCaptureSession.setRepeatingRequest(mPreviewRequest, mCaptureCallback,
                                    mBackgroundHandler);
                        } catch (CameraAccessException e) {
                            e.printStackTrace();
                        }
                    }

                    @Override
                    public void onClosed(CameraCaptureSession session) {
                        super.onClosed(session);
                        stopBackgroundThread();
                    }

                    @Override
                    public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) {
                        showToast("Failed");
                    }
                }, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

---

From source file:edu.umich.eecs.lab11.camera.CameraFragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *///from www .j  av  a 2 s.c o  m
private void createCameraPreviewSession() {
    try {
        SurfaceTexture texture = mTextureView.getSurfaceTexture();
        assert texture != null;

        // We configure the size of default buffer to be the size of camera preview we want.
        texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());

        // This is the output Surface we need to start preview.
        Surface surface = new Surface(texture);

        // We set up a CaptureRequest.Builder with the output Surface.
        mPreviewRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        mPreviewRequestBuilder.addTarget(surface);
        mPreviewRequestBuilder.set(CaptureRequest.CONTROL_EFFECT_MODE, CaptureRequest.CONTROL_EFFECT_MODE_MONO);

        // Here, we create a CameraCaptureSession for camera preview.
        mCameraDevice.createCaptureSession(Arrays.asList(surface, mImageReader.getSurface()),
                new CameraCaptureSession.StateCallback() {

                    @Override
                    public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) {
                        // The camera is already closed
                        if (null == mCameraDevice) {
                            return;
                        }

                        // When the session is ready, we start displaying the preview.
                        mCaptureSession = cameraCaptureSession;
                        try {
                            // Auto focus should be continuous for camera preview.
                            mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE,
                                    CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
                            // Flash is automatically enabled when necessary.
                            setAutoFlash(mPreviewRequestBuilder);

                            // Finally, we start displaying the camera preview.
                            mPreviewRequest = mPreviewRequestBuilder.build();
                            mCaptureSession.setRepeatingRequest(mPreviewRequest, mCaptureCallback,
                                    mBackgroundHandler);
                        } catch (CameraAccessException e) {
                            e.printStackTrace();
                        }
                    }

                    @Override
                    public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) {
                        showToast("Failed");
                    }
                }, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

---

From source file:net.ddns.mlsoftlaberge.trycorder.TryviscamFragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 *//*from  w  w w.j a va2s .c  o  m*/
private void createCameraPreviewSession() {
    try {
        SurfaceTexture texture = mTextureView.getSurfaceTexture();
        assert texture != null;

        // We configure the size of default buffer to be the size of camera preview we want.
        texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());

        // This is the output Surface we need to start preview.
        Surface surface = new Surface(texture);

        // We set up a CaptureRequest.Builder with the output Surface.
        mPreviewRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        mPreviewRequestBuilder.addTarget(surface);

        // Here, we create a CameraCaptureSession for camera preview.
        mCameraDevice.createCaptureSession(Arrays.asList(surface, mImageReader.getSurface()),
                new CameraCaptureSession.StateCallback() {

                    @Override
                    public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) {
                        // The camera is already closed
                        if (null == mCameraDevice) {
                            return;
                        }

                        // When the session is ready, we start displaying the preview.
                        mCaptureSession = cameraCaptureSession;
                        try {
                            // Auto focus should be continuous for camera preview.
                            mPreviewRequestBuilder.set(CaptureRequest.CONTROL_AF_MODE,
                                    CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);

                            // vision mode according to mode selection buttons
                            setVisionMode(mPreviewRequestBuilder);

                            // Flash is automatically enabled when necessary.
                            setAutoFlash(mPreviewRequestBuilder);

                            // Finally, we start displaying the camera preview.
                            mPreviewRequest = mPreviewRequestBuilder.build();
                            mCaptureSession.setRepeatingRequest(mPreviewRequest, mCaptureCallback,
                                    mBackgroundHandler);
                        } catch (CameraAccessException e) {
                            e.printStackTrace();
                        }
                    }

                    @Override
                    public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) {
                        showToast("Failed");
                    }
                }, null);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

---

From source file:com.ape.camera2raw.Camera2RawFragment.java

/**
 * Creates a new {@link CameraCaptureSession} for camera preview.
 * <p/>//from  w  ww  . j  a va2s . com
 * Call this only with {@link #mCameraStateLock} held.
 */
private void createCameraPreviewSessionLocked() {
    try {
        SurfaceTexture texture = mTextureView.getSurfaceTexture();
        // We configure the size of default buffer to be the size of camera preview we want.
        texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());

        // This is the output Surface we need to start preview.
        Surface surface = new Surface(texture);

        // We set up a CaptureRequest.Builder with the output Surface.
        mPreviewRequestBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
        mPreviewRequestBuilder.addTarget(surface);

        // Here, we create a CameraCaptureSession for camera preview.
        mCameraDevice.createCaptureSession(
                Arrays.asList(surface, mJpegImageReader.get().getSurface(), mRawImageReader.get().getSurface()),
                new CameraCaptureSession.StateCallback() {
                    @Override
                    public void onConfigured(CameraCaptureSession cameraCaptureSession) {
                        synchronized (mCameraStateLock) {
                            // The camera is already closed
                            if (null == mCameraDevice) {
                                return;
                            }

                            try {
                                setup3AControlsLocked(mPreviewRequestBuilder);
                                // Finally, we start displaying the camera preview.
                                cameraCaptureSession.setRepeatingRequest(mPreviewRequestBuilder.build(),
                                        mPreCaptureCallback, mBackgroundHandler);
                                mState = STATE_PREVIEW;
                            } catch (CameraAccessException | IllegalStateException e) {
                                e.printStackTrace();
                                return;
                            }
                            // When the session is ready, we start displaying the preview.
                            mCaptureSession = cameraCaptureSession;
                        }
                    }

                    @Override
                    public void onConfigureFailed(CameraCaptureSession cameraCaptureSession) {
                        showToast("Failed to configure camera.");
                    }
                }, mBackgroundHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

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