CameraActivity.java 文件源码

public byte[] getFramePicture(byte[] data, Camera camera) {
    Camera.Parameters parameters = camera.getParameters();
    int format = parameters.getPreviewFormat();

    //YUV formats require conversion
    if (format == ImageFormat.NV21 || format == ImageFormat.YUY2 || format == ImageFormat.NV16) {
        int w = parameters.getPreviewSize().width;
        int h = parameters.getPreviewSize().height;

        // Get the YuV image
        YuvImage yuvImage = new YuvImage(data, format, w, h, null);
        // Convert YuV to Jpeg
        Rect rect = new Rect(0, 0, w, h);
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        yuvImage.compressToJpeg(rect, 80, outputStream);
        return outputStream.toByteArray();
    }
    return data;
}