Ruben Brunk | 370e243 | 2014-10-14 18:33:23 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.cts.verifier.camera.its; |
| 18 | |
| 19 | import android.content.Context; |
| 20 | import android.graphics.ImageFormat; |
| 21 | import android.hardware.camera2.CameraDevice; |
| 22 | import android.hardware.camera2.CameraCharacteristics; |
| 23 | import android.hardware.camera2.CaptureRequest; |
| 24 | import android.hardware.camera2.CaptureResult; |
| 25 | import android.hardware.camera2.params.MeteringRectangle; |
| 26 | import android.hardware.camera2.params.StreamConfigurationMap; |
| 27 | import android.media.Image; |
| 28 | import android.media.Image.Plane; |
| 29 | import android.net.Uri; |
| 30 | import android.os.Environment; |
| 31 | import android.util.Log; |
| 32 | import android.util.Size; |
| 33 | |
| 34 | import org.json.JSONArray; |
| 35 | import org.json.JSONObject; |
| 36 | |
| 37 | import java.nio.ByteBuffer; |
| 38 | import java.nio.charset.Charset; |
| 39 | import java.util.ArrayList; |
| 40 | import java.util.List; |
| 41 | |
| 42 | public class ItsUtils { |
| 43 | public static final String TAG = ItsUtils.class.getSimpleName(); |
| 44 | |
| 45 | public static ByteBuffer jsonToByteBuffer(JSONObject jsonObj) { |
| 46 | return ByteBuffer.wrap(jsonObj.toString().getBytes(Charset.defaultCharset())); |
| 47 | } |
| 48 | |
| 49 | public static MeteringRectangle[] getJsonWeightedRectsFromArray( |
| 50 | JSONArray a, boolean normalized, int width, int height) |
| 51 | throws ItsException { |
| 52 | try { |
| 53 | // Returns [x0,y0,x1,y1,wgt, x0,y0,x1,y1,wgt, x0,y0,x1,y1,wgt, ...] |
| 54 | assert(a.length() % 5 == 0); |
| 55 | MeteringRectangle[] ma = new MeteringRectangle[a.length() / 5]; |
| 56 | for (int i = 0; i < a.length(); i += 5) { |
| 57 | int x,y,w,h; |
| 58 | if (normalized) { |
| 59 | x = (int)Math.floor(a.getDouble(i+0) * width + 0.5f); |
| 60 | y = (int)Math.floor(a.getDouble(i+1) * height + 0.5f); |
| 61 | w = (int)Math.floor(a.getDouble(i+2) * width + 0.5f); |
| 62 | h = (int)Math.floor(a.getDouble(i+3) * height + 0.5f); |
| 63 | } else { |
| 64 | x = a.getInt(i+0); |
| 65 | y = a.getInt(i+1); |
| 66 | w = a.getInt(i+2); |
| 67 | h = a.getInt(i+3); |
| 68 | } |
| 69 | x = Math.max(x, 0); |
| 70 | y = Math.max(y, 0); |
| 71 | w = Math.min(w, width-x); |
| 72 | h = Math.min(h, height-y); |
| 73 | int wgt = a.getInt(i+4); |
| 74 | ma[i/5] = new MeteringRectangle(x,y,w,h,wgt); |
| 75 | } |
| 76 | return ma; |
| 77 | } catch (org.json.JSONException e) { |
| 78 | throw new ItsException("JSON error: ", e); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | public static JSONArray getOutputSpecs(JSONObject jsonObjTop) |
| 83 | throws ItsException { |
| 84 | try { |
| 85 | if (jsonObjTop.has("outputSurfaces")) { |
| 86 | return jsonObjTop.getJSONArray("outputSurfaces"); |
| 87 | } |
| 88 | return null; |
| 89 | } catch (org.json.JSONException e) { |
| 90 | throw new ItsException("JSON error: ", e); |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | public static Size[] getRawOutputSizes(CameraCharacteristics ccs) |
| 95 | throws ItsException { |
| 96 | return getOutputSizes(ccs, ImageFormat.RAW_SENSOR); |
| 97 | } |
| 98 | |
| 99 | public static Size[] getJpegOutputSizes(CameraCharacteristics ccs) |
| 100 | throws ItsException { |
| 101 | return getOutputSizes(ccs, ImageFormat.JPEG); |
| 102 | } |
| 103 | |
| 104 | public static Size[] getYuvOutputSizes(CameraCharacteristics ccs) |
| 105 | throws ItsException { |
| 106 | return getOutputSizes(ccs, ImageFormat.YUV_420_888); |
| 107 | } |
| 108 | |
| 109 | private static Size[] getOutputSizes(CameraCharacteristics ccs, int format) |
| 110 | throws ItsException { |
| 111 | StreamConfigurationMap configMap = ccs.get( |
| 112 | CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP); |
| 113 | if (configMap == null) { |
| 114 | throw new ItsException("Failed to get stream config"); |
| 115 | } |
| 116 | return configMap.getOutputSizes(format); |
| 117 | } |
| 118 | |
| 119 | public static byte[] getDataFromImage(Image image) |
| 120 | throws ItsException { |
| 121 | int format = image.getFormat(); |
| 122 | int width = image.getWidth(); |
| 123 | int height = image.getHeight(); |
| 124 | byte[] data = null; |
| 125 | |
| 126 | // Read image data |
| 127 | Plane[] planes = image.getPlanes(); |
| 128 | |
| 129 | // Check image validity |
| 130 | if (!checkAndroidImageFormat(image)) { |
| 131 | throw new ItsException( |
| 132 | "Invalid image format passed to getDataFromImage: " + image.getFormat()); |
| 133 | } |
| 134 | |
| 135 | if (format == ImageFormat.JPEG) { |
| 136 | // JPEG doesn't have pixelstride and rowstride, treat it as 1D buffer. |
| 137 | ByteBuffer buffer = planes[0].getBuffer(); |
| 138 | data = new byte[buffer.capacity()]; |
| 139 | buffer.get(data); |
| 140 | return data; |
| 141 | } else if (format == ImageFormat.YUV_420_888 || format == ImageFormat.RAW_SENSOR |
| 142 | || format == ImageFormat.RAW10) { |
| 143 | int offset = 0; |
| 144 | data = new byte[width * height * ImageFormat.getBitsPerPixel(format) / 8]; |
Yin-Chia Yeh | ccca951 | 2014-10-28 10:52:37 -0700 | [diff] [blame] | 145 | int maxRowSize = planes[0].getRowStride(); |
| 146 | for (int i = 0; i < planes.length; i++) { |
| 147 | if (maxRowSize < planes[i].getRowStride()) { |
| 148 | maxRowSize = planes[i].getRowStride(); |
| 149 | } |
| 150 | } |
| 151 | byte[] rowData = new byte[maxRowSize]; |
Ruben Brunk | 370e243 | 2014-10-14 18:33:23 -0700 | [diff] [blame] | 152 | for (int i = 0; i < planes.length; i++) { |
| 153 | ByteBuffer buffer = planes[i].getBuffer(); |
| 154 | int rowStride = planes[i].getRowStride(); |
| 155 | int pixelStride = planes[i].getPixelStride(); |
| 156 | int bytesPerPixel = ImageFormat.getBitsPerPixel(format) / 8; |
| 157 | Logt.i(TAG, String.format( |
| 158 | "Reading image: fmt %d, plane %d, w %d, h %d, rowStride %d, pixStride %d", |
| 159 | format, i, width, height, rowStride, pixelStride)); |
| 160 | // For multi-planar yuv images, assuming yuv420 with 2x2 chroma subsampling. |
| 161 | int w = (i == 0) ? width : width / 2; |
| 162 | int h = (i == 0) ? height : height / 2; |
| 163 | for (int row = 0; row < h; row++) { |
| 164 | if (pixelStride == bytesPerPixel) { |
| 165 | // Special case: optimized read of the entire row |
| 166 | int length = w * bytesPerPixel; |
| 167 | buffer.get(data, offset, length); |
| 168 | // Advance buffer the remainder of the row stride |
Yin-Chia Yeh | 05dc618 | 2015-02-04 13:30:14 -0800 | [diff] [blame^] | 169 | if (row < h - 1) { |
| 170 | buffer.position(buffer.position() + rowStride - length); |
| 171 | } |
Ruben Brunk | 370e243 | 2014-10-14 18:33:23 -0700 | [diff] [blame] | 172 | offset += length; |
| 173 | } else { |
| 174 | // Generic case: should work for any pixelStride but slower. |
| 175 | // Use intermediate buffer to avoid read byte-by-byte from |
| 176 | // DirectByteBuffer, which is very bad for performance. |
| 177 | // Also need avoid access out of bound by only reading the available |
| 178 | // bytes in the bytebuffer. |
| 179 | int readSize = rowStride; |
| 180 | if (buffer.remaining() < readSize) { |
| 181 | readSize = buffer.remaining(); |
| 182 | } |
| 183 | buffer.get(rowData, 0, readSize); |
| 184 | if (pixelStride >= 1) { |
| 185 | for (int col = 0; col < w; col++) { |
| 186 | data[offset++] = rowData[col * pixelStride]; |
| 187 | } |
| 188 | } else { |
| 189 | // PixelStride of 0 can mean pixel isn't a multiple of 8 bits, for |
| 190 | // example with RAW10. Just copy the buffer, dropping any padding at |
| 191 | // the end of the row. |
| 192 | int length = (w * ImageFormat.getBitsPerPixel(format)) / 8; |
| 193 | System.arraycopy(rowData,0,data,offset,length); |
| 194 | offset += length; |
| 195 | } |
| 196 | } |
| 197 | } |
| 198 | } |
| 199 | Logt.i(TAG, String.format("Done reading image, format %d", format)); |
| 200 | return data; |
| 201 | } else { |
| 202 | throw new ItsException("Unsupported image format: " + format); |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | private static boolean checkAndroidImageFormat(Image image) { |
| 207 | int format = image.getFormat(); |
| 208 | Plane[] planes = image.getPlanes(); |
| 209 | switch (format) { |
| 210 | case ImageFormat.YUV_420_888: |
| 211 | case ImageFormat.NV21: |
| 212 | case ImageFormat.YV12: |
| 213 | return 3 == planes.length; |
| 214 | case ImageFormat.RAW_SENSOR: |
| 215 | case ImageFormat.RAW10: |
| 216 | case ImageFormat.JPEG: |
| 217 | return 1 == planes.length; |
| 218 | default: |
| 219 | return false; |
| 220 | } |
| 221 | } |
| 222 | } |
| 223 | |