aboutsummaryrefslogtreecommitdiff
path: root/apps/CameraITS/service/src/com/android/camera2/its/ItsUtils.java
diff options
context:
space:
mode:
Diffstat (limited to 'apps/CameraITS/service/src/com/android/camera2/its/ItsUtils.java')
-rw-r--r--apps/CameraITS/service/src/com/android/camera2/its/ItsUtils.java215
1 files changed, 0 insertions, 215 deletions
diff --git a/apps/CameraITS/service/src/com/android/camera2/its/ItsUtils.java b/apps/CameraITS/service/src/com/android/camera2/its/ItsUtils.java
deleted file mode 100644
index 8d330cf..0000000
--- a/apps/CameraITS/service/src/com/android/camera2/its/ItsUtils.java
+++ /dev/null
@@ -1,215 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.camera2.its;
-
-import android.content.Context;
-import android.graphics.ImageFormat;
-import android.hardware.camera2.CameraDevice;
-import android.hardware.camera2.CameraCharacteristics;
-import android.hardware.camera2.CaptureRequest;
-import android.hardware.camera2.CaptureResult;
-import android.hardware.camera2.params.MeteringRectangle;
-import android.hardware.camera2.params.StreamConfigurationMap;
-import android.media.Image;
-import android.media.Image.Plane;
-import android.net.Uri;
-import android.os.Environment;
-import android.util.Log;
-import android.util.Size;
-
-import org.json.JSONArray;
-import org.json.JSONObject;
-
-import java.nio.ByteBuffer;
-import java.nio.charset.Charset;
-import java.util.ArrayList;
-import java.util.List;
-
-public class ItsUtils {
- public static final String TAG = ItsUtils.class.getSimpleName();
-
- public static ByteBuffer jsonToByteBuffer(JSONObject jsonObj) {
- return ByteBuffer.wrap(jsonObj.toString().getBytes(Charset.defaultCharset()));
- }
-
- public static MeteringRectangle[] getJsonWeightedRectsFromArray(
- JSONArray a, boolean normalized, int width, int height)
- throws ItsException {
- try {
- // Returns [x0,y0,x1,y1,wgt, x0,y0,x1,y1,wgt, x0,y0,x1,y1,wgt, ...]
- assert(a.length() % 5 == 0);
- MeteringRectangle[] ma = new MeteringRectangle[a.length() / 5];
- for (int i = 0; i < a.length(); i += 5) {
- int x,y,w,h;
- if (normalized) {
- x = (int)Math.floor(a.getDouble(i+0) * width + 0.5f);
- y = (int)Math.floor(a.getDouble(i+1) * height + 0.5f);
- w = (int)Math.floor(a.getDouble(i+2) * width + 0.5f);
- h = (int)Math.floor(a.getDouble(i+3) * height + 0.5f);
- } else {
- x = a.getInt(i+0);
- y = a.getInt(i+1);
- w = a.getInt(i+2);
- h = a.getInt(i+3);
- }
- x = Math.max(x, 0);
- y = Math.max(y, 0);
- w = Math.min(w, width-x);
- h = Math.min(h, height-y);
- int wgt = a.getInt(i+4);
- ma[i/5] = new MeteringRectangle(x,y,w,h,wgt);
- }
- return ma;
- } catch (org.json.JSONException e) {
- throw new ItsException("JSON error: ", e);
- }
- }
-
- public static JSONArray getOutputSpecs(JSONObject jsonObjTop)
- throws ItsException {
- try {
- if (jsonObjTop.has("outputSurfaces")) {
- return jsonObjTop.getJSONArray("outputSurfaces");
- }
- return null;
- } catch (org.json.JSONException e) {
- throw new ItsException("JSON error: ", e);
- }
- }
-
- public static Size[] getRawOutputSizes(CameraCharacteristics ccs)
- throws ItsException {
- return getOutputSizes(ccs, ImageFormat.RAW_SENSOR);
- }
-
- public static Size[] getJpegOutputSizes(CameraCharacteristics ccs)
- throws ItsException {
- return getOutputSizes(ccs, ImageFormat.JPEG);
- }
-
- public static Size[] getYuvOutputSizes(CameraCharacteristics ccs)
- throws ItsException {
- return getOutputSizes(ccs, ImageFormat.YUV_420_888);
- }
-
- private static Size[] getOutputSizes(CameraCharacteristics ccs, int format)
- throws ItsException {
- StreamConfigurationMap configMap = ccs.get(
- CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
- if (configMap == null) {
- throw new ItsException("Failed to get stream config");
- }
- return configMap.getOutputSizes(format);
- }
-
- public static byte[] getDataFromImage(Image image)
- throws ItsException {
- int format = image.getFormat();
- int width = image.getWidth();
- int height = image.getHeight();
- byte[] data = null;
-
- // Read image data
- Plane[] planes = image.getPlanes();
-
- // Check image validity
- if (!checkAndroidImageFormat(image)) {
- throw new ItsException(
- "Invalid image format passed to getDataFromImage: " + image.getFormat());
- }
-
- if (format == ImageFormat.JPEG) {
- // JPEG doesn't have pixelstride and rowstride, treat it as 1D buffer.
- ByteBuffer buffer = planes[0].getBuffer();
- data = new byte[buffer.capacity()];
- buffer.get(data);
- return data;
- } else if (format == ImageFormat.YUV_420_888 || format == ImageFormat.RAW_SENSOR
- || format == ImageFormat.RAW10) {
- int offset = 0;
- data = new byte[width * height * ImageFormat.getBitsPerPixel(format) / 8];
- byte[] rowData = new byte[planes[0].getRowStride()];
- for (int i = 0; i < planes.length; i++) {
- ByteBuffer buffer = planes[i].getBuffer();
- int rowStride = planes[i].getRowStride();
- int pixelStride = planes[i].getPixelStride();
- int bytesPerPixel = ImageFormat.getBitsPerPixel(format) / 8;
- Logt.i(TAG, String.format(
- "Reading image: fmt %d, plane %d, w %d, h %d, rowStride %d, pixStride %d",
- format, i, width, height, rowStride, pixelStride));
- // For multi-planar yuv images, assuming yuv420 with 2x2 chroma subsampling.
- int w = (i == 0) ? width : width / 2;
- int h = (i == 0) ? height : height / 2;
- for (int row = 0; row < h; row++) {
- if (pixelStride == bytesPerPixel) {
- // Special case: optimized read of the entire row
- int length = w * bytesPerPixel;
- buffer.get(data, offset, length);
- // Advance buffer the remainder of the row stride
- buffer.position(buffer.position() + rowStride - length);
- offset += length;
- } else {
- // Generic case: should work for any pixelStride but slower.
- // Use intermediate buffer to avoid read byte-by-byte from
- // DirectByteBuffer, which is very bad for performance.
- // Also need avoid access out of bound by only reading the available
- // bytes in the bytebuffer.
- int readSize = rowStride;
- if (buffer.remaining() < readSize) {
- readSize = buffer.remaining();
- }
- buffer.get(rowData, 0, readSize);
- if (pixelStride >= 1) {
- for (int col = 0; col < w; col++) {
- data[offset++] = rowData[col * pixelStride];
- }
- } else {
- // PixelStride of 0 can mean pixel isn't a multiple of 8 bits, for
- // example with RAW10. Just copy the buffer, dropping any padding at
- // the end of the row.
- int length = (w * ImageFormat.getBitsPerPixel(format)) / 8;
- System.arraycopy(rowData,0,data,offset,length);
- offset += length;
- }
- }
- }
- }
- Logt.i(TAG, String.format("Done reading image, format %d", format));
- return data;
- } else {
- throw new ItsException("Unsupported image format: " + format);
- }
- }
-
- private static boolean checkAndroidImageFormat(Image image) {
- int format = image.getFormat();
- Plane[] planes = image.getPlanes();
- switch (format) {
- case ImageFormat.YUV_420_888:
- case ImageFormat.NV21:
- case ImageFormat.YV12:
- return 3 == planes.length;
- case ImageFormat.RAW_SENSOR:
- case ImageFormat.RAW10:
- case ImageFormat.JPEG:
- return 1 == planes.length;
- default:
- return false;
- }
- }
-}
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-16 02:26:40 +0000