Java Camera.setPreviewCallbackWithBuffer方法代码示例

本文整理汇总了Java中android.hardware.Camera.setPreviewCallbackWithBuffer方法的典型用法代码示例。如果您正苦于以下问题：Java Camera.setPreviewCallbackWithBuffer方法的具体用法？Java Camera.setPreviewCallbackWithBuffer怎么用？Java Camera.setPreviewCallbackWithBuffer使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类android.hardware.Camera的用法示例。

在下文中一共展示了Camera.setPreviewCallbackWithBuffer方法的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: setCallback

import android.hardware.Camera; //导入方法依赖的package包/类
@Override
public void setCallback(VideoCaptureAndroid captureAndroid, int numCaptureBuffers,
        int bufSize,
        Camera camera) {
    // According to Doc addCallbackBuffer belongs to API level 8.
    // But it seems like it works on Android 2.1 as well.
    // At least SE X10 and Milestone
    byte[] buffer = null;
    for (int i = 0; i < numCaptureBuffers; i++) {
        buffer = new byte[bufSize];
        camera.addCallbackBuffer(buffer);
    }

    camera.setPreviewCallbackWithBuffer(captureAndroid);

    ownsBuffers = true;
}

开发者ID:treasure-lau，项目名称:CSipSimple，代码行数:18，代码来源:CameraUtils8.java

示例2: setUpSurfaceTextureInternal

import android.hardware.Camera; //导入方法依赖的package包/类
private void setUpSurfaceTextureInternal(final Camera camera, byte[] data) {
    if (null == camera) {
        log.error("setup camera failed, camera is null");
        return;
    }

    int[] textures = new int[1];
    GLES20.glGenTextures(1, textures, 0);
    mSurfaceTexture = new SurfaceTexture(textures[0]);

    try {
        camera.addCallbackBuffer(data);
        camera.setPreviewTexture(mSurfaceTexture);
        camera.setPreviewCallbackWithBuffer(GPUImageRenderer.this);
        camera.startPreview();
    } catch (Exception e) {
        log.error("setup camera failed, " + e.getMessage());
    }
    log.debug("setUpSurfaceTextureInternal " + camera + " " + data.length);
}

开发者ID:zhangyaqiang，项目名称:Fatigue-Detection，代码行数:21，代码来源:GPUImageRenderer.java

示例3: createCamera

import android.hardware.Camera; //导入方法依赖的package包/类
/**
 * Opens the camera and applies the user settings.
 *
 * @throws RuntimeException if the method fails
 */
@SuppressLint("InlinedApi")
private Camera createCamera() {
    int requestedCameraId = getIdForRequestedCamera(mFacing);
    if (requestedCameraId == -1) {
        throw new RuntimeException("Could not find requested camera.");
    }
    Camera camera = Camera.open(requestedCameraId);

    SizePair sizePair = selectSizePair(camera, mRequestedPreviewWidth, mRequestedPreviewHeight);
    if (sizePair == null) {
        throw new RuntimeException("Could not find suitable preview size.");
    }
    Size pictureSize = sizePair.pictureSize();
    mPreviewSize = sizePair.previewSize();

    int[] previewFpsRange = selectPreviewFpsRange(camera, mRequestedFps);
    if (previewFpsRange == null) {
        throw new RuntimeException("Could not find suitable preview frames per second range.");
    }

    Camera.Parameters parameters = camera.getParameters();

    if (pictureSize != null) {
        parameters.setPictureSize(pictureSize.getWidth(), pictureSize.getHeight());
    }

    parameters.setPreviewSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());
    parameters.setPreviewFpsRange(
            previewFpsRange[Camera.Parameters.PREVIEW_FPS_MIN_INDEX],
            previewFpsRange[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]);
    parameters.setPreviewFormat(ImageFormat.NV21);

    setRotation(camera, parameters, requestedCameraId);

    if (mFocusMode != null) {
        if (parameters.getSupportedFocusModes().contains(
                mFocusMode)) {
            parameters.setFocusMode(mFocusMode);
        } else {
            Log.i(TAG, "Camera focus mode: " + mFocusMode +
                    " is not supported on this device.");
        }
    }

    // setting mFocusMode to the one set in the params
    mFocusMode = parameters.getFocusMode();

    if (mFlashMode != null) {
        if (parameters.getSupportedFlashModes().contains(
                mFlashMode)) {
            parameters.setFlashMode(mFlashMode);
        } else {
            Log.i(TAG, "Camera flash mode: " + mFlashMode +
                    " is not supported on this device.");
        }
    }

    // setting mFlashMode to the one set in the params
    mFlashMode = parameters.getFlashMode();

    camera.setParameters(parameters);

    // Four frame buffers are needed for working with the camera:
    //
    //   one for the frame that is currently being executed upon in doing detection
    //   one for the next pending frame to process immediately upon completing detection
    //   two for the frames that the camera uses to populate future preview images
    camera.setPreviewCallbackWithBuffer(new CameraPreviewCallback());
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));

    return camera;
}

开发者ID:Jugendhackt，项目名称:SocialPaka，代码行数:81，代码来源:CameraSource.java

示例4: createCamera

import android.hardware.Camera; //导入方法依赖的package包/类
/**
 * Opens the camera and applies the user settings.
 *
 * @throws RuntimeException if the method fails
 */
@SuppressLint("InlinedApi")
private Camera createCamera() {
    int requestedCameraId = getIdForRequestedCamera(mFacing);
    if (requestedCameraId == -1) {
        throw new RuntimeException("Could not find requested camera.");
    }
    Camera camera = Camera.open(requestedCameraId);

    SizePair sizePair = selectSizePair(camera, mRequestedPreviewWidth, mRequestedPreviewHeight);
    if (sizePair == null) {
        throw new RuntimeException("Could not find suitable preview size.");
    }
    Size pictureSize = sizePair.pictureSize();
    mPreviewSize = sizePair.previewSize();

    int[] previewFpsRange = selectPreviewFpsRange(camera, mRequestedFps);
    if (previewFpsRange == null) {
        throw new RuntimeException("Could not find suitable preview frames per second range.");
    }

    Camera.Parameters parameters = camera.getParameters();

    if (pictureSize != null) {
        parameters.setPictureSize(pictureSize.getWidth(), pictureSize.getHeight());
    }

    parameters.setPreviewSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());
    parameters.setPreviewFpsRange(
            previewFpsRange[Camera.Parameters.PREVIEW_FPS_MIN_INDEX],
            previewFpsRange[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]);
    parameters.setPreviewFormat(ImageFormat.NV21);

    setRotation(camera, parameters, requestedCameraId);

    if (mFocusMode != null) {
        if (parameters.getSupportedFocusModes().contains(
                mFocusMode)) {
            parameters.setFocusMode(mFocusMode);
        } else {
        }
    }

    // setting mFocusMode to the one set in the params
    mFocusMode = parameters.getFocusMode();

    if (mFlashMode != null) {
        if (parameters.getSupportedFlashModes() != null) {
            if (parameters.getSupportedFlashModes().contains(
                    mFlashMode)) {
                parameters.setFlashMode(mFlashMode);
            } else {
            }
        }
    }

    // setting mFlashMode to the one set in the params
    mFlashMode = parameters.getFlashMode();

    camera.setParameters(parameters);

    // Four frame buffers are needed for working with the camera:
    //
    //   one for the frame that is currently being executed upon in doing detection
    //   one for the next pending frame to process immediately upon completing detection
    //   two for the frames that the camera uses to populate future preview images
    camera.setPreviewCallbackWithBuffer(new CameraPreviewCallback());
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));

    return camera;
}

开发者ID:victoraldir，项目名称:BuddyBook，代码行数:79，代码来源:CameraSource.java

示例5: unsetCallback

import android.hardware.Camera; //导入方法依赖的package包/类
@Override
public void unsetCallback(Camera camera) {
    camera.setPreviewCallbackWithBuffer(null);
}

开发者ID:treasure-lau，项目名称:CSipSimple，代码行数:5，代码来源:CameraUtils8.java

示例6: createCamera

import android.hardware.Camera; //导入方法依赖的package包/类
/**
 * Opens the camera and applies the user settings.
 *
 * @throws RuntimeException if the method fails
 */
@SuppressLint("InlinedApi")
private Camera createCamera() {
    int requestedCameraId = getIdForRequestedCamera(mFacing);
    if (requestedCameraId == -1) {
        throw new RuntimeException("Could not find requested camera.");
    }
    Camera camera = Camera.open(requestedCameraId);

    SizePair sizePair = selectSizePair(camera, mRequestedPreviewWidth, mRequestedPreviewHeight);
    if (sizePair == null) {
        throw new RuntimeException("Could not find suitable preview size.");
    }
    Size pictureSize = sizePair.pictureSize();
    mPreviewSize = sizePair.previewSize();

    int[] previewFpsRange = selectPreviewFpsRange(camera, mRequestedFps);
    if (previewFpsRange == null) {
        throw new RuntimeException("Could not find suitable preview frames per second range.");
    }

    Camera.Parameters parameters = camera.getParameters();

    if (pictureSize != null) {
        parameters.setPictureSize(pictureSize.getWidth(), pictureSize.getHeight());
    }

    parameters.setPreviewSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());
    parameters.setPreviewFpsRange(
            previewFpsRange[Camera.Parameters.PREVIEW_FPS_MIN_INDEX],
            previewFpsRange[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]);
    parameters.setPreviewFormat(ImageFormat.NV21);

    setRotation(camera, parameters, requestedCameraId);

    if (mFocusMode != null) {
        if (parameters.getSupportedFocusModes().contains(
                mFocusMode)) {
            parameters.setFocusMode(mFocusMode);
        } else {
            Log.i(TAG, "Camera focus mode: " + mFocusMode +
                " is not supported on this device.");
        }
    }

    // setting mFocusMode to the one set in the params
    mFocusMode = parameters.getFocusMode();

    if (mFlashMode != null) {
        if (parameters.getSupportedFlashModes().contains(
                mFlashMode)) {
            parameters.setFlashMode(mFlashMode);
        } else {
            Log.i(TAG, "Camera flash mode: " + mFlashMode +
                " is not supported on this device.");
        }
    }

    // setting mFlashMode to the one set in the params
    mFlashMode = parameters.getFlashMode();

    camera.setParameters(parameters);

    // Four frame buffers are needed for working with the camera:
    //
    //   one for the frame that is currently being executed upon in doing detection
    //   one for the next pending frame to process immediately upon completing detection
    //   two for the frames that the camera uses to populate future preview images
    camera.setPreviewCallbackWithBuffer(new CameraPreviewCallback());
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));

    return camera;
}

开发者ID:DevipriyaSarkar，项目名称:OCR-Reader，代码行数:81，代码来源:CameraSource.java

示例7: createCamera

import android.hardware.Camera; //导入方法依赖的package包/类
/**
 * Opens the camera and applies the user settings.
 *
 * @throws RuntimeException if the method fails
 */
@SuppressLint("InlinedApi")
private Camera createCamera() {
    int requestedCameraId = getIdForRequestedCamera(mFacing);
    if (requestedCameraId == -1) {
        throw new RuntimeException("Could not find requested camera.");
    }
    Camera camera = Camera.open(requestedCameraId);

    SizePair sizePair = selectSizePair(camera, mRequestedPreviewWidth, mRequestedPreviewHeight);
    if (sizePair == null) {
        throw new RuntimeException("Could not find suitable preview size.");
    }
    Size pictureSize = sizePair.pictureSize();
    mPreviewSize = sizePair.previewSize();

    int[] previewFpsRange = selectPreviewFpsRange(camera, mRequestedFps);
    if (previewFpsRange == null) {
        throw new RuntimeException("Could not find suitable preview frames per second range.");
    }

    Camera.Parameters parameters = camera.getParameters();

    if (pictureSize != null) {
        parameters.setPictureSize(pictureSize.getWidth(), pictureSize.getHeight());
    }

    parameters.setPreviewSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());
    parameters.setPreviewFpsRange(
            previewFpsRange[Camera.Parameters.PREVIEW_FPS_MIN_INDEX],
            previewFpsRange[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]);
    parameters.setPreviewFormat(ImageFormat.NV21);

    setRotation(camera, parameters, requestedCameraId);

    if (mFocusMode != null) {
        if (parameters.getSupportedFocusModes().contains(
                mFocusMode)) {
            parameters.setFocusMode(mFocusMode);
        } else {
            Log.i(TAG, "Camera focus mode: " + mFocusMode + " is not supported on this device.");
        }
    }

    // setting mFocusMode to the one set in the params
    mFocusMode = parameters.getFocusMode();

    if (mFlashMode != null) {
        if (parameters.getSupportedFlashModes() != null) {
            if (parameters.getSupportedFlashModes().contains(
                    mFlashMode)) {
                parameters.setFlashMode(mFlashMode);
            } else {
                Log.i(TAG, "Camera flash mode: " + mFlashMode + " is not supported on this device.");
            }
        }
    }

    // setting mFlashMode to the one set in the params
    mFlashMode = parameters.getFlashMode();

    camera.setParameters(parameters);

    // Four frame buffers are needed for working with the camera:
    //
    //   one for the frame that is currently being executed upon in doing detection
    //   one for the next pending frame to process immediately upon completing detection
    //   two for the frames that the camera uses to populate future preview images
    camera.setPreviewCallbackWithBuffer(new CameraPreviewCallback());
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));

    return camera;
}

开发者ID:ravi8x，项目名称:Barcode-Reader，代码行数:81，代码来源:CameraSource.java

示例8: createCamera

import android.hardware.Camera; //导入方法依赖的package包/类
/**
 * Opens the camera and applies the user settings.
 *
 * @throws RuntimeException if the method fails
 */
@SuppressLint("InlinedApi")
private Camera createCamera() {
    int requestedCameraId = getIdForRequestedCamera(mFacing);
    if (requestedCameraId == -1) {
        throw new RuntimeException("Could not find requested camera.");
    }
    Camera camera = Camera.open(requestedCameraId);

    SizePair sizePair = selectSizePair(camera, mRequestedPreviewWidth, mRequestedPreviewHeight);
    if (sizePair == null) {
        throw new RuntimeException("Could not find suitable preview size.");
    }
    Size pictureSize = sizePair.pictureSize();
    mPreviewSize = sizePair.previewSize();

    int[] previewFpsRange = selectPreviewFpsRange(camera, mRequestedFps);
    if (previewFpsRange == null) {
        throw new RuntimeException("Could not find suitable preview frames per second range.");
    }

    Camera.Parameters parameters = camera.getParameters();

    if (pictureSize != null) {
        parameters.setPictureSize(pictureSize.getWidth(), pictureSize.getHeight());
    }

    parameters.setPreviewSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());
    parameters.setPreviewFpsRange(
            previewFpsRange[Camera.Parameters.PREVIEW_FPS_MIN_INDEX],
            previewFpsRange[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]);
    parameters.setPreviewFormat(ImageFormat.NV21);

    setRotation(camera, parameters, requestedCameraId);

    if (mFocusMode != null) {
        if (parameters.getSupportedFocusModes().contains(
                mFocusMode)) {
            parameters.setFocusMode(mFocusMode);
        } else {
            Log.i(TAG, "Camera focus mode: " + mFocusMode + " is not supported on this device.");
        }
    }

    // setting mFocusMode to the one set in the params
    mFocusMode = parameters.getFocusMode();

    if (mFlashMode != null) {
        if (parameters.getSupportedFlashModes().contains(
                mFlashMode)) {
            parameters.setFlashMode(mFlashMode);
        } else {
            Log.i(TAG, "Camera flash mode: " + mFlashMode + " is not supported on this device.");
        }
    }

    // setting mFlashMode to the one set in the params
    mFlashMode = parameters.getFlashMode();

    camera.setParameters(parameters);

    // Four frame buffers are needed for working with the camera:
    //
    //   one for the frame that is currently being executed upon in doing detection
    //   one for the next pending frame to process immediately upon completing detection
    //   two for the frames that the camera uses to populate future preview images
    camera.setPreviewCallbackWithBuffer(new CameraPreviewCallback());
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));

    return camera;
}

开发者ID:TrustWallet，项目名称:trust-wallet-android，代码行数:79，代码来源:CameraSource.java

示例9: createCamera

import android.hardware.Camera; //导入方法依赖的package包/类
/**
 * Opens the camera and applies the user settings.
 *
 * @throws RuntimeException if the method fails
 */
@SuppressLint("InlinedApi")
private Camera createCamera() {
    int requestedCameraId = getIdForRequestedCamera(mFacing);
    if (requestedCameraId == -1) {
        throw new RuntimeException("Could not find requested camera.");
    }
    Camera camera = Camera.open(requestedCameraId);

    SizePair sizePair = selectSizePair(camera, mRequestedPreviewWidth, mRequestedPreviewHeight);
    if (sizePair == null) {
        throw new RuntimeException("Could not find suitable preview size.");
    }
    Size pictureSize = sizePair.pictureSize();
    mPreviewSize = sizePair.previewSize();

    int[] previewFpsRange = selectPreviewFpsRange(camera, mRequestedFps);
    if (previewFpsRange == null) {
        throw new RuntimeException("Could not find suitable preview frames per second range.");
    }

    Camera.Parameters parameters = camera.getParameters();

    if (pictureSize != null) {
        parameters.setPictureSize(pictureSize.getWidth(), pictureSize.getHeight());
    }

    parameters.setPreviewSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());
    parameters.setPreviewFpsRange(
            previewFpsRange[Camera.Parameters.PREVIEW_FPS_MIN_INDEX],
            previewFpsRange[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]);
    parameters.setPreviewFormat(ImageFormat.NV21);

    setRotation(camera, parameters, requestedCameraId);

    if (mFocusMode != null) {
        if (parameters.getSupportedFocusModes().contains(
                mFocusMode)) {
            parameters.setFocusMode(mFocusMode);
        } else {
            Log.i(TAG, "Camera focus mode: " + mFocusMode + " is not supported on this device.");
        }
    }

    // setting mFocusMode to the one set in the params
    mFocusMode = parameters.getFocusMode();


    camera.setParameters(parameters);

    // Four frame buffers are needed for working with the camera:
    //
    //   one for the frame that is currently being executed upon in doing detection
    //   one for the next pending frame to process immediately upon completing detection
    //   two for the frames that the camera uses to populate future preview images
    camera.setPreviewCallbackWithBuffer(new CameraPreviewCallback());
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
    camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));

    return camera;
}

开发者ID:Emrals，项目名称:Fuse，代码行数:68，代码来源:CameraSource.java

注：本文中的android.hardware.Camera.setPreviewCallbackWithBuffer方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。