本文整理汇总了Java中android.media.Image.Plane类的典型用法代码示例。如果您正苦于以下问题：Java Plane类的具体用法？Java Plane怎么用？Java Plane使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
Plane类属于android.media.Image包，在下文中一共展示了Plane类的7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: fillBytes
import android.media.Image.Plane; //导入依赖的package包/类
protected void fillBytes(final Plane[] planes, final byte[][] yuvBytes) {
// Because of the variable row stride it's not possible to know in
// advance the actual necessary dimensions of the yuv planes.
for (int i = 0; i < planes.length; ++i) {
final ByteBuffer buffer = planes[i].getBuffer();
if (yuvBytes[i] == null) {
LOGGER.d("Initializing buffer %d at size %d", i, buffer.capacity());
yuvBytes[i] = new byte[buffer.capacity()];
}
buffer.get(yuvBytes[i]);
}
}
示例2: onImageAvailable
import android.media.Image.Plane; //导入依赖的package包/类
@Override
public void onImageAvailable(final ImageReader reader) {
Image image = null;
try {
image = reader.acquireLatestImage();
if (image == null) {
return;
}
if (computing) {
image.close();
return;
}
computing = true;
Trace.beginSection("imageAvailable");
final Plane[] planes = image.getPlanes();
fillBytes(planes, yuvBytes);
final int yRowStride = planes[0].getRowStride();
final int uvRowStride = planes[1].getRowStride();
final int uvPixelStride = planes[1].getPixelStride();
ImageUtils.convertYUV420ToARGB8888(
yuvBytes[0],
yuvBytes[1],
yuvBytes[2],
rgbBytes,
previewWidth,
previewHeight,
yRowStride,
uvRowStride,
uvPixelStride,
false);
image.close();
} catch (final Exception e) {
if (image != null) {
image.close();
}
LOGGER.e(e, "Exception!");
Trace.endSection();
return;
}
rgbFrameBitmap.setPixels(rgbBytes, 0, previewWidth, 0, 0, previewWidth, previewHeight);
final Canvas canvas = new Canvas(croppedBitmap);
canvas.drawBitmap(rgbFrameBitmap, frameToCropTransform, null);
// For examining the actual TF input.
if (SAVE_PREVIEW_BITMAP) {
ImageUtils.saveBitmap(croppedBitmap);
}
runInBackground(
new Runnable() {
@Override
public void run() {
final long startTime = SystemClock.uptimeMillis();
final List<Classifier.Recognition> results = classifier.recognizeImage(croppedBitmap);
lastProcessingTimeMs = SystemClock.uptimeMillis() - startTime;
cropCopyBitmap = Bitmap.createBitmap(croppedBitmap);
resultsView.setResults(results);
requestRender();
computing = false;
}
});
Trace.endSection();
}
示例3: onImageAvailable
import android.media.Image.Plane; //导入依赖的package包/类
/**
* Callback for Camera2 API
*/
@Override
public void onImageAvailable(final ImageReader reader) {
//We need wait until we have some size from onPreviewSizeChosen
if (previewWidth == 0 || previewHeight == 0) {
return;
}
if (rgbBytes == null) {
rgbBytes = new int[previewWidth * previewHeight];
}
try {
final Image image = reader.acquireLatestImage();
if (image == null) {
return;
}
if (isProcessingFrame) {
image.close();
return;
}
isProcessingFrame = true;
Trace.beginSection("imageAvailable");
final Plane[] planes = image.getPlanes();
fillBytes(planes, yuvBytes);
yRowStride = planes[0].getRowStride();
final int uvRowStride = planes[1].getRowStride();
final int uvPixelStride = planes[1].getPixelStride();
imageConverter =
new Runnable() {
@Override
public void run() {
ImageUtils.convertYUV420ToARGB8888(
yuvBytes[0],
yuvBytes[1],
yuvBytes[2],
previewWidth,
previewHeight,
yRowStride,
uvRowStride,
uvPixelStride,
rgbBytes);
}
};
postInferenceCallback =
new Runnable() {
@Override
public void run() {
image.close();
isProcessingFrame = false;
}
};
processImage();
} catch (final Exception e) {
LOGGER.e(e, "Exception!");
Trace.endSection();
return;
}
Trace.endSection();
}
示例4: onImageAvailable
import android.media.Image.Plane; //导入依赖的package包/类
@Override public void onImageAvailable(final ImageReader reader) {
imageReader = reader;
Image image = null;
try {
image = reader.acquireLatestImage();
if (image == null) {
return;
}
if (savingImage || computing) {
image.close();
return;
}
savingImage = true;
Trace.beginSection("imageAvailable");
final Plane[] planes = image.getPlanes();
fillBytes(planes, yuvBytes);
final int yRowStride = planes[0].getRowStride();
final int uvRowStride = planes[1].getRowStride();
final int uvPixelStride = planes[1].getPixelStride();
ImageUtils.convertYUV420ToARGB8888(yuvBytes[0], yuvBytes[1], yuvBytes[2], rgbBytes,
previewWidth, previewHeight, yRowStride, uvRowStride, uvPixelStride, false);
image.close();
} catch (final Exception e) {
if (image != null) {
image.close();
}
LOGGER.e(e, "Exception!");
Trace.endSection();
return;
}
rgbFrameBitmap.setPixels(rgbBytes, 0, previewWidth, 0, 0, previewWidth, previewHeight);
final Canvas canvas = new Canvas(croppedBitmap);
canvas.drawBitmap(rgbFrameBitmap, frameToCropTransform, null);
// For examining the actual TF input.
if (SAVE_PREVIEW_BITMAP) {
ImageUtils.saveBitmap(croppedBitmap);
}
savingImage = false;
Trace.endSection();
}
示例5: onImageAvailable
import android.media.Image.Plane; //导入依赖的package包/类
@Override
public void onImageAvailable(final ImageReader reader) {
Image image = null;
try {
image = reader.acquireLatestImage();
if (image == null) {
return;
}
if (computing) {
image.close();
return;
}
computing = true;
Trace.beginSection("imageAvailable");
final Plane[] planes = image.getPlanes();
fillBytes(planes, yuvBytes);
final int yRowStride = planes[0].getRowStride();
final int uvRowStride = planes[1].getRowStride();
final int uvPixelStride = planes[1].getPixelStride();
ImageUtils.convertYUV420ToARGB8888(
yuvBytes[0],
yuvBytes[1],
yuvBytes[2],
rgbBytes,
previewWidth,
previewHeight,
yRowStride,
uvRowStride,
uvPixelStride,
false);
image.close();
} catch (final Exception e) {
if (image != null) {
image.close();
}
LOGGER.e(e, "Exception!");
Trace.endSection();
return;
}
rgbFrameBitmap.setPixels(rgbBytes, 0, previewWidth, 0, 0, previewWidth, previewHeight);
final Canvas canvas = new Canvas(croppedBitmap);
canvas.drawBitmap(rgbFrameBitmap, frameToCropTransform, null);
// For examining the actual TF input.
if (SAVE_PREVIEW_BITMAP) {
ImageUtils.saveBitmap(croppedBitmap);
}
runInBackground(
new Runnable() {
@Override
public void run() {
final long startTime = SystemClock.uptimeMillis();
final List<Classifier.Recognition> results = classifier.recognizeImage(croppedBitmap);
lastProcessingTimeMs = SystemClock.uptimeMillis() - startTime;
cropCopyBitmap = Bitmap.createBitmap(croppedBitmap);
resultsView.setResults(results);
requestRender();
computing = false;
}
});
Trace.endSection();
}
示例6: onImageAvailable
import android.media.Image.Plane; //导入依赖的package包/类
@Override
public void onImageAvailable(final ImageReader reader) {
Image image = null;
try {
image = reader.acquireLatestImage();
if (image == null) {
return;
}
if (computing) {
image.close();
return;
}
computing = true;
Trace.beginSection("imageAvailable");
final Plane[] planes = image.getPlanes();
fillBytes(planes, yuvBytes);
final int yRowStride = planes[0].getRowStride();
final int uvRowStride = planes[1].getRowStride();
final int uvPixelStride = planes[1].getPixelStride();
ImageUtils.convertYUV420ToARGB8888(
yuvBytes[0],
yuvBytes[1],
yuvBytes[2],
previewWidth,
previewHeight,
yRowStride,
uvRowStride,
uvPixelStride,
rgbBytes);
image.close();
} catch (final Exception e) {
if (image != null) {
image.close();
}
LOGGER.e(e, "Exception!");
Trace.endSection();
return;
}
rgbFrameBitmap.setPixels(rgbBytes, 0, previewWidth, 0, 0, previewWidth, previewHeight);
final Canvas canvas = new Canvas(croppedBitmap);
canvas.drawBitmap(rgbFrameBitmap, frameToCropTransform, null);
// For examining the actual TF input.
if (SAVE_PREVIEW_BITMAP) {
ImageUtils.saveBitmap(croppedBitmap);
}
runInBackground(
new Runnable() {
@Override
public void run() {
final long startTime = SystemClock.uptimeMillis();
final List<Classifier.Recognition> results = classifier.recognizeImage(croppedBitmap);
lastProcessingTimeMs = SystemClock.uptimeMillis() - startTime;
cropCopyBitmap = Bitmap.createBitmap(croppedBitmap);
resultsView.setResults(results);
requestRender();
computing = false;
}
});
Trace.endSection();
}
示例7: compressJpegFromYUV420Image
import android.media.Image.Plane; //导入依赖的package包/类
/**
* Compresses the given image to jpeg. Note that only ImageFormat.YUV_420_888 is currently
* supported. Furthermore, all planes must use direct byte buffers.
*
* @param img the image to compress
* @param outBuf a direct byte buffer to hold the output jpeg.
* @return The number of bytes written to outBuf
*/
public static int compressJpegFromYUV420Image(Image img, ByteBuffer outBuf, int quality) {
if (img.getFormat() != ImageFormat.YUV_420_888) {
throw new RuntimeException("Unsupported Image Format.");
}
final int NUM_PLANES = 3;
if (img.getPlanes().length != NUM_PLANES) {
throw new RuntimeException("Output buffer must be direct.");
}
if (!outBuf.isDirect()) {
throw new RuntimeException("Output buffer must be direct.");
}
ByteBuffer[] planeBuf = new ByteBuffer[NUM_PLANES];
int[] pixelStride = new int[NUM_PLANES];
int[] rowStride = new int[NUM_PLANES];
for (int i = 0; i < NUM_PLANES; i++) {
Plane plane = img.getPlanes()[i];
if (!plane.getBuffer().isDirect()) {
return -1;
}
planeBuf[i] = plane.getBuffer();
pixelStride[i] = plane.getPixelStride();
rowStride[i] = plane.getRowStride();
}
outBuf.clear();
int numBytesWritten = compressJpegFromYUV420p(
img.getWidth(), img.getHeight(),
planeBuf[0], pixelStride[0], rowStride[0],
planeBuf[1], pixelStride[1], rowStride[1],
planeBuf[2], pixelStride[2], rowStride[2],
outBuf, quality);
outBuf.limit(numBytesWritten);
return numBytesWritten;
}