android.hardware.Camera.addCallbackBuffer()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中android.hardware.Camera.addCallbackBuffer()方法的一些代码示例，展示了Camera.addCallbackBuffer()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Camera.addCallbackBuffer()方法的具体详情如下：
包路径：android.hardware.Camera
类名称：Camera
方法名：addCallbackBuffer

Camera.addCallbackBuffer介绍

暂无

代码示例

代码示例来源：origin: googlesamples/android-vision

/**
 * Sets the frame data received from the camera.  This adds the previous unused frame buffer
 * (if present) back to the camera, and keeps a pending reference to the frame data for
 * future use.
 */
void setNextFrame(byte[] data, Camera camera) {
  synchronized (mLock) {
    if (mPendingFrameData != null) {
      camera.addCallbackBuffer(mPendingFrameData.array());
      mPendingFrameData = null;
    }
    if (!mBytesToByteBuffer.containsKey(data)) {
      Log.d(TAG,
        "Skipping frame.  Could not find ByteBuffer associated with the image " +
        "data from the camera.");
      return;
    }
    // Timestamp and frame ID are maintained here, which will give downstream code some
    // idea of the timing of frames received and when frames were dropped along the way.
    mPendingTimeMillis = SystemClock.elapsedRealtime() - mStartTimeMillis;
    mPendingFrameId++;
    mPendingFrameData = mBytesToByteBuffer.get(data);
    // Notify the processor thread if it is waiting on the next frame (see below).
    mLock.notifyAll();
  }
}

代码示例来源：origin: googlesamples/android-vision

/**
 * Sets the frame data received from the camera.  This adds the previous unused frame buffer
 * (if present) back to the camera, and keeps a pending reference to the frame data for
 * future use.
 */
void setNextFrame(byte[] data, Camera camera) {
  synchronized (mLock) {
    if (mPendingFrameData != null) {
      camera.addCallbackBuffer(mPendingFrameData.array());
      mPendingFrameData = null;
    }
    if (!mBytesToByteBuffer.containsKey(data)) {
      Log.d(TAG,
        "Skipping frame.  Could not find ByteBuffer associated with the image " +
        "data from the camera.");
      return;
    }
    // Timestamp and frame ID are maintained here, which will give downstream code some
    // idea of the timing of frames received and when frames were dropped along the way.
    mPendingTimeMillis = SystemClock.elapsedRealtime() - mStartTimeMillis;
    mPendingFrameId++;
    mPendingFrameData = mBytesToByteBuffer.get(data);
    // Notify the processor thread if it is waiting on the next frame (see below).
    mLock.notifyAll();
  }
}

代码示例来源：origin: googlesamples/android-vision

/**
 * Sets the frame data received from the camera.  This adds the previous unused frame buffer
 * (if present) back to the camera, and keeps a pending reference to the frame data for
 * future use.
 */
void setNextFrame(byte[] data, Camera camera) {
  synchronized (mLock) {
    if (mPendingFrameData != null) {
      camera.addCallbackBuffer(mPendingFrameData.array());
      mPendingFrameData = null;
    }
    if (!bytesToByteBuffer.containsKey(data)) {
      Log.d(TAG,
          "Skipping frame.  Could not find ByteBuffer associated with the image " +
              "data from the camera.");
      return;
    }
    // Timestamp and frame ID are maintained here, which will give downstream code some
    // idea of the timing of frames received and when frames were dropped along the way.
    mPendingTimeMillis = SystemClock.elapsedRealtime() - mStartTimeMillis;
    mPendingFrameId++;
    mPendingFrameData = bytesToByteBuffer.get(data);
    // Notify the processor thread if it is waiting on the next frame (see below).
    mLock.notifyAll();
  }
}

代码示例来源：origin: daniulive/SmarterStreaming

@Override
public void onPreviewFrame(byte[] data, Camera camera) {
  frameCount++;
  if (frameCount % 3000 == 0) {
    Log.i("OnPre", "gc+");
    System.gc();
    Log.i("OnPre", "gc-");
  }
  if (data == null) {
    Parameters params = camera.getParameters();
    Size size = params.getPreviewSize();
    int bufferSize = (((size.width | 0x1f) + 1) * size.height * ImageFormat.getBitsPerPixel(params.getPreviewFormat())) / 8;
    camera.addCallbackBuffer(new byte[bufferSize]);
  } else {
    if (isRTSPPublisherRunning || isPushingRtmp || isRecording || isPushingRtsp) {
      libPublisher.SmartPublisherOnCaptureVideoData(publisherHandle, data, data.length, currentCameraType, currentOrigentation);
    }
    camera.addCallbackBuffer(data);
  }
}

代码示例来源：origin: daniulive/SmarterStreaming

@Override
  public void onPreviewFrame(byte[] data, Camera camera) {
    frameCount++;
    if ( frameCount % 3000 == 0 )
    {
      Log.i("OnPre", "gc+");
      System.gc();
      Log.i("OnPre", "gc-");
    }

    if (data == null) {
      Parameters params = camera.getParameters();
      Size size = params.getPreviewSize();
      int bufferSize = (((size.width|0x1f)+1) * size.height * ImageFormat.getBitsPerPixel(params.getPreviewFormat())) / 8;
      camera.addCallbackBuffer(new byte[bufferSize]);
    }
    else
    {
      if(isPushing || isRecording)
      {
        libPublisher.SmartPublisherOnCaptureVideoData(publisherHandle, data, data.length, currentCameraType, currentOrigentation);
      }

      camera.addCallbackBuffer(data);
    }
  }
}

代码示例来源：origin: daniulive/SmarterStreaming

@Override
public void onPreviewFrame(byte[] data, Camera camera) {
  pushFrameCount++;
  if ( pushFrameCount % 3000 == 0 )
  {
    Log.i("OnPre", "gc+");
    System.gc();
    Log.i("OnPre", "gc-");
  }

  if (data == null) {
    Parameters params = camera.getParameters();
    Size size = params.getPreviewSize();
    int bufferSize = (((size.width|0x1f)+1) * size.height * ImageFormat.getBitsPerPixel(params.getPreviewFormat())) / 8;
    camera.addCallbackBuffer(new byte[bufferSize]);
  } 
  else 
  {
    if( isPushStart )
    {
      libPublisher.SmartPublisherOnCaptureVideoData(publisherHandle, data, data.length, pushCurrentCameraType, currentPushOrigentation);
    }
    
    camera.addCallbackBuffer(data);
  }
}

代码示例来源：origin: daniulive/SmarterStreaming

mCamera.addCallbackBuffer(new byte[bufferSize]);

代码示例来源：origin: daniulive/SmarterStreaming

pushCamera.addCallbackBuffer(new byte[bufferSize]);

代码示例来源：origin: daniulive/SmarterStreaming

mCamera.addCallbackBuffer(new byte[bufferSize]);

代码示例来源：origin: robolectric/robolectric

@Test
public void testAddCallbackBuffer() {
 byte[] buf1 = new byte[0];
 byte[] buf2 = new byte[1];
 camera.addCallbackBuffer(buf1);
 assertThat(shadowCamera.getAddedCallbackBuffers()).containsExactly(buf1);
 camera.addCallbackBuffer(buf2);
 assertThat(shadowCamera.getAddedCallbackBuffers()).containsExactly(buf1, buf2);
}

代码示例来源：origin: googlesamples/android-vision

camera.addCallbackBuffer(createPreviewBuffer(previewSize));
camera.addCallbackBuffer(createPreviewBuffer(previewSize));
camera.addCallbackBuffer(createPreviewBuffer(previewSize));
camera.addCallbackBuffer(createPreviewBuffer(previewSize));

代码示例来源：origin: googlesamples/android-vision

camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));

代码示例来源：origin: googlesamples/android-vision

camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));
camera.addCallbackBuffer(createPreviewBuffer(mPreviewSize));

代码示例来源：origin: googlesamples/android-vision

Log.e(TAG, "Exception thrown from receiver.", t);
} finally {
  mCamera.addCallbackBuffer(data.array());

代码示例来源：origin: googlesamples/android-vision

Log.e(TAG, "Exception thrown from receiver.", t);
} finally {
  mCamera.addCallbackBuffer(data.array());

代码示例来源：origin: googlesamples/android-vision

Log.e(TAG, "Exception thrown from receiver.", t);
} finally {
  camera.addCallbackBuffer(data.array());

代码示例来源：origin: doggycoder/AndroidOpenGLDemo

public void addBuffer(byte[] buffer){
  if(mCamera!=null){
    mCamera.addCallbackBuffer(buffer);
  }
}

代码示例来源：origin: doggycoder/AndroidOpenGLDemo

public void addBuffer(byte[] buffer){
  if(mCamera!=null){
    mCamera.addCallbackBuffer(buffer);
  }
}

代码示例来源：origin: WangShuo1143368701/WSLiveDemo

private boolean prepareVideo() {
  if (resCoreParameters.filterMode == RESCoreParameters.FILTER_MODE_SOFT) {
    camera.addCallbackBuffer(new byte[resCoreParameters.previewBufferSize]);
    camera.addCallbackBuffer(new byte[resCoreParameters.previewBufferSize]);
  }
  return true;
}

代码示例来源：origin: WangShuo1143368701/WSLiveDemo

@Override
  public void onPreviewFrame(byte[] data, Camera camera) {
    synchronized (syncOp) {
      if (videoCore != null && data != null) {
        ((RESSoftVideoCore) videoCore).queueVideo(data);
      }
      camera.addCallbackBuffer(data);
    }
  }
});

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