Java PixelFormat.YCbCr_420_SP方法代码示例

import android.graphics.PixelFormat; //导入方法依赖的package包/类
/**
 * A factory method to build the appropriate LuminanceSource object based on the format
 * of the preview buffers, as described by Camera.Parameters.
 *
 * @param data A preview frame.
 * @param width The width of the image.
 * @param height The height of the image.
 * @return A PlanarYUVLuminanceSource instance.
 */
public PlanarYUVLuminanceSource buildLuminanceSource(byte[] data, int width, int height) {
	Rect rect = getFramingRectInPreview();
	int previewFormat = configManager.getPreviewFormat();
	String previewFormatString = configManager.getPreviewFormatString();
	switch (previewFormat) {
	// This is the standard Android format which all devices are REQUIRED to support.
	// In theory, it's the only one we should ever care about.
	case PixelFormat.YCbCr_420_SP:
		// This format has never been seen in the wild, but is compatible as we only care
		// about the Y channel, so allow it.
	case PixelFormat.YCbCr_422_SP:
		return new PlanarYUVLuminanceSource(data, width, height, rect.left, rect.top,
				rect.width(), rect.height());
	default:
		// The Samsung Moment incorrectly uses this variant instead of the 'sp' version.
		// Fortunately, it too has all the Y data up front, so we can read it.
		if ("yuv420p".equals(previewFormatString)) {
			return new PlanarYUVLuminanceSource(data, width, height, rect.left, rect.top,
					rect.width(), rect.height());
		}
	}
	throw new IllegalArgumentException("Unsupported picture format: " +
			previewFormat + '/' + previewFormatString);
}
 

import android.graphics.PixelFormat; //导入方法依赖的package包/类
/**
 * A factory method to build the appropriate LuminanceSource object based on the format
 * of the preview buffers, as described by Camera.Parameters.
 *
 * @param data A preview frame.
 * @param width The width of the image.
 * @param height The height of the image.
 * @return A PlanarYUVLuminanceSource instance.
 */
public PlanarYUVLuminanceSource buildLuminanceSource(byte[] data, int width, int height) {
  Rect rect = getFramingRectInPreview();
  int previewFormat = configManager.getPreviewFormat();
  String previewFormatString = configManager.getPreviewFormatString();
  switch (previewFormat) {
    // This is the standard Android format which all devices are REQUIRED to support.
    // In theory, it's the only one we should ever care about.
    case PixelFormat.YCbCr_420_SP:
    // This format has never been seen in the wild, but is compatible as we only care
    // about the Y channel, so allow it.
    case PixelFormat.YCbCr_422_SP:
      return new PlanarYUVLuminanceSource(data, width, height, rect.left, rect.top,
          rect.width(), rect.height());
    default:
      // The Samsung Moment incorrectly uses this variant instead of the 'sp' version.
      // Fortunately, it too has all the Y data up front, so we can read it.
      if ("yuv420p".equals(previewFormatString)) {
        return new PlanarYUVLuminanceSource(data, width, height, rect.left, rect.top,
          rect.width(), rect.height());
      }
  }
  throw new IllegalArgumentException("Unsupported picture format: " +
      previewFormat + '/' + previewFormatString);
}
 

import android.graphics.PixelFormat; //导入方法依赖的package包/类
/**
 * A factory method to build the appropriate LuminanceSource object based on the format
 * of the preview buffers, as described by Camera.Parameters.
 *
 * @param data A preview frame.
 * @param width The width of the image.
 * @param height The height of the image.
 * @return A PlanarYUVLuminanceSource instance.
 */
public PlanarYUVLuminanceSource buildLuminanceSource(byte[] data, int width, int height) {
	Rect rect = getFramingRectInPreview();
	int previewFormat = configManager.getPreviewFormat();
	String previewFormatString = configManager.getPreviewFormatString();
	switch (previewFormat) {
	// This is the standard Android format which all devices are REQUIRED to support.
	// In theory, it's the only one we should ever care about.
	case PixelFormat.YCbCr_420_SP:
		// This format has never been seen in the wild, but is compatible as we only care
		// about the Y channel, so allow it.
	case PixelFormat.YCbCr_422_SP:
		return new PlanarYUVLuminanceSource(data, width, height, rect.left, rect.top,
				rect.width(), rect.height());
	default:
		// The Samsung Work incorrectly uses this variant instead of the 'sp' version.
		// Fortunately, it too has all the Y data up front, so we can read it.
		if ("yuv420p".equals(previewFormatString)) {
			return new PlanarYUVLuminanceSource(data, width, height, rect.left, rect.top,
					rect.width(), rect.height());
		}
	}
	throw new IllegalArgumentException("Unsupported picture format: " +
			previewFormat + '/' + previewFormatString);
}
 

import android.graphics.PixelFormat; //导入方法依赖的package包/类
/**
 * A factory method to build the appropriate LuminanceSource object based on the format
 * of the preview buffers, as described by Camera.Parameters.
 *
 * @param data   A preview frame.
 * @param width  The width of the image.
 * @param height The height of the image.
 * @return A PlanarYUVLuminanceSource instance.
 */
public PlanarYUVLuminanceSource buildLuminanceSource(byte[] data, int width, int height) {
    Rect rect = getFramingRectInPreview();
    int previewFormat = configManager.getPreviewFormat();
    String previewFormatString = configManager.getPreviewFormatString();
    switch (previewFormat) {
        // This is the standard Android format which all devices are REQUIRED to support.
        // In theory, it's the only one we should ever care about.
        case PixelFormat.YCbCr_420_SP:
            // This format has never been seen in the wild, but is compatible as we only care
            // about the Y channel, so allow it.
        case PixelFormat.YCbCr_422_SP:
            return new PlanarYUVLuminanceSource(data, width, height, rect.left, rect.top,
                    rect.width(), rect.height());
        default:
            // The Samsung Moment incorrectly uses this variant instead of the 'sp' version.
            // Fortunately, it too has all the Y data up front, so we can read it.
            if ("yuv420p".equals(previewFormatString)) {
                return new PlanarYUVLuminanceSource(data, width, height, rect.left, rect.top,
                        rect.width(), rect.height());
            }
    }
    throw new IllegalArgumentException("Unsupported picture format: " +
            previewFormat + '/' + previewFormatString);
}
 

import android.graphics.PixelFormat; //导入方法依赖的package包/类
/**
 * A factory method to build the appropriate LuminanceSource object based on
 * the format of the preview buffers, as described by Camera.Parameters.
 * 
 * @param data
 *            A preview frame.
 * @param width
 *            The width of the image.
 * @param height
 *            The height of the image.
 * @return A PlanarYUVLuminanceSource instance.
 */
public PlanarYUVLuminanceSource buildLuminanceSource(byte[] data, int width, int height) {
	Rect rect = getFramingRectInPreview();
	int previewFormat = configManager.getPreviewFormat();
	String previewFormatString = configManager.getPreviewFormatString();
	switch (previewFormat) {
	// This is the standard Android format which all devices are REQUIRED to
	// support.
	// In theory, it's the only one we should ever care about.
	case PixelFormat.YCbCr_420_SP:
		// This format has never been seen in the wild, but is compatible as
		// we only care
		// about the Y channel, so allow it.
	case PixelFormat.YCbCr_422_SP:
		return new PlanarYUVLuminanceSource(data, width, height, rect.left, rect.top, rect.width(), rect.height());
	default:
		// The Samsung Moment incorrectly uses this variant instead of the
		// 'sp' version.
		// Fortunately, it too has all the Y data up front, so we can read
		// it.
		if ("yuv420p".equals(previewFormatString)) {
			return new PlanarYUVLuminanceSource(data, width, height, rect.left, rect.top, rect.width(), rect.height());
		}
	}
	throw new IllegalArgumentException("Unsupported picture format: " + previewFormat + '/' + previewFormatString);
}
 

import android.graphics.PixelFormat; //导入方法依赖的package包/类
/**
 * A factory method to build the appropriate LuminanceSource object based on
 * the format of the preview buffers, as described by Camera.Parameters.
 * 
 * @param data
 *            A preview frame.
 * @param width
 *            The width of the image.
 * @param height
 *            The height of the image.
 * @return A PlanarYUVLuminanceSource instance.
 */
@SuppressWarnings("deprecation")
public PlanarYUVLuminanceSource buildLuminanceSource(byte[] data,
													 int width, int height) {
	Rect rect = getFramingRectInPreview();
	int previewFormat = configManager.getPreviewFormat();
	String previewFormatString = configManager.getPreviewFormatString();
	switch (previewFormat) {
	// This is the standard Android format which all devices are REQUIRED to
	// support.
	// In theory, it's the only one we should ever care about.
	case PixelFormat.YCbCr_420_SP:
		// This format has never been seen in the wild, but is compatible as
		// we only care
		// about the Y channel, so allow it.
	case PixelFormat.YCbCr_422_SP:
		return new PlanarYUVLuminanceSource(data, width, height, rect.left,
				rect.top, rect.width(), rect.height());
	default:
		// The Samsung Moment incorrectly uses this variant instead of the
		// 'sp' version.
		// Fortunately, it too has all the Y data up front, so we can read
		// it.
		if ("yuv420p".equals(previewFormatString)) {
			return new PlanarYUVLuminanceSource(data, width, height,
					rect.left, rect.top, rect.width(), rect.height());
		}
	}
	throw new IllegalArgumentException("Unsupported picture format: "
			+ previewFormat + '/' + previewFormatString);
}