Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2020 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 | #define LOG_TAG "SurroundViewService" |
| 17 | |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 18 | #include "SurroundView2dSession.h" |
| 19 | |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 20 | #include <android-base/logging.h> |
| 21 | #include <android/hardware_buffer.h> |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 22 | #include <system/camera_metadata.h> |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 23 | #include <utils/SystemClock.h> |
| 24 | |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 25 | #include <thread> |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 26 | |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 27 | #include <android/hardware/camera/device/3.2/ICameraDevice.h> |
| 28 | |
Haoxiang Li | 0c07824 | 2020-06-10 16:59:29 -0700 | [diff] [blame^] | 29 | #include "CameraUtils.h" |
| 30 | |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 31 | using ::android::hardware::automotive::evs::V1_0::EvsResult; |
| 32 | using ::android::hardware::camera::device::V3_2::Stream; |
| 33 | |
| 34 | using GraphicsPixelFormat = ::android::hardware::graphics::common::V1_0::PixelFormat; |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 35 | |
| 36 | namespace android { |
| 37 | namespace hardware { |
| 38 | namespace automotive { |
| 39 | namespace sv { |
| 40 | namespace V1_0 { |
| 41 | namespace implementation { |
| 42 | |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 43 | // TODO(b/158479099): There are a lot of redundant code between 2d and 3d. |
| 44 | // Decrease the degree of redundancy. |
| 45 | typedef struct { |
| 46 | int32_t id; |
| 47 | int32_t width; |
| 48 | int32_t height; |
| 49 | int32_t format; |
| 50 | int32_t direction; |
| 51 | int32_t framerate; |
| 52 | } RawStreamConfig; |
| 53 | |
| 54 | static const size_t kStreamCfgSz = sizeof(RawStreamConfig); |
Haoxiang Li | a4d8de4 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 55 | static const uint8_t kGrayColor = 128; |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 56 | static const int kNumChannels = 3; |
Haoxiang Li | a091e4a | 2020-06-06 20:38:46 -0700 | [diff] [blame] | 57 | static const int kNumFrames = 4; |
Haoxiang Li | ca7719a | 2020-06-03 20:51:11 -0700 | [diff] [blame] | 58 | static const int kSv2dViewId = 0; |
| 59 | |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 60 | SurroundView2dSession::FramesHandler::FramesHandler( |
| 61 | sp<IEvsCamera> pCamera, sp<SurroundView2dSession> pSession) |
| 62 | : mCamera(pCamera), |
| 63 | mSession(pSession) {} |
| 64 | |
| 65 | Return<void> SurroundView2dSession::FramesHandler::deliverFrame( |
| 66 | const BufferDesc_1_0& bufDesc_1_0) { |
| 67 | LOG(INFO) << "Ignores a frame delivered from v1.0 EVS service."; |
| 68 | mCamera->doneWithFrame(bufDesc_1_0); |
| 69 | |
Haoxiang Li | a091e4a | 2020-06-06 20:38:46 -0700 | [diff] [blame] | 70 | return {}; |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 71 | } |
| 72 | |
| 73 | Return<void> SurroundView2dSession::FramesHandler::deliverFrame_1_1( |
| 74 | const hidl_vec<BufferDesc_1_1>& buffers) { |
| 75 | LOG(INFO) << "Received " << buffers.size() << " frames from the camera"; |
| 76 | mSession->mSequenceId++; |
| 77 | |
Haoxiang Li | e3011cc | 2020-06-10 21:33:26 -0700 | [diff] [blame] | 78 | { |
| 79 | scoped_lock<mutex> lock(mSession->mAccessLock); |
| 80 | if (mSession->mProcessingEvsFrames) { |
| 81 | LOG(WARNING) << "EVS frames are being processed. Skip frames:" << mSession->mSequenceId; |
| 82 | mCamera->doneWithFrame_1_1(buffers); |
| 83 | return {}; |
| 84 | } |
| 85 | } |
| 86 | |
Haoxiang Li | a091e4a | 2020-06-06 20:38:46 -0700 | [diff] [blame] | 87 | if (buffers.size() != kNumFrames) { |
| 88 | LOG(ERROR) << "The number of incoming frames is " << buffers.size() |
| 89 | << ", which is different from the number " << kNumFrames |
| 90 | << ", specified in config file"; |
| 91 | return {}; |
| 92 | } |
| 93 | |
| 94 | { |
| 95 | scoped_lock<mutex> lock(mSession->mAccessLock); |
| 96 | for (int i = 0; i < kNumFrames; i++) { |
| 97 | LOG(DEBUG) << "Copying buffer No." << i |
| 98 | << " to Surround View Service"; |
| 99 | mSession->copyFromBufferToPointers(buffers[i], |
| 100 | mSession->mInputPointers[i]); |
| 101 | } |
| 102 | } |
| 103 | |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 104 | mCamera->doneWithFrame_1_1(buffers); |
| 105 | |
| 106 | // Notify the session that a new set of frames is ready |
| 107 | { |
| 108 | scoped_lock<mutex> lock(mSession->mAccessLock); |
Haoxiang Li | e3011cc | 2020-06-10 21:33:26 -0700 | [diff] [blame] | 109 | mSession->mProcessingEvsFrames = true; |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 110 | } |
| 111 | mSession->mFramesSignal.notify_all(); |
| 112 | |
Haoxiang Li | a091e4a | 2020-06-06 20:38:46 -0700 | [diff] [blame] | 113 | return {}; |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | Return<void> SurroundView2dSession::FramesHandler::notify(const EvsEventDesc& event) { |
| 117 | switch(event.aType) { |
| 118 | case EvsEventType::STREAM_STOPPED: |
| 119 | { |
| 120 | LOG(INFO) << "Received a STREAM_STOPPED event from Evs."; |
| 121 | |
| 122 | // TODO(b/158339680): There is currently an issue in EVS reference |
| 123 | // implementation that causes STREAM_STOPPED event to be delivered |
| 124 | // properly. When the bug is fixed, we should deal with this event |
| 125 | // properly in case the EVS stream is stopped unexpectly. |
| 126 | break; |
| 127 | } |
| 128 | |
| 129 | case EvsEventType::PARAMETER_CHANGED: |
| 130 | LOG(INFO) << "Camera parameter " << std::hex << event.payload[0] |
| 131 | << " is set to " << event.payload[1]; |
| 132 | break; |
| 133 | |
| 134 | // Below events are ignored in reference implementation. |
| 135 | case EvsEventType::STREAM_STARTED: |
| 136 | [[fallthrough]]; |
| 137 | case EvsEventType::FRAME_DROPPED: |
| 138 | [[fallthrough]]; |
| 139 | case EvsEventType::TIMEOUT: |
| 140 | LOG(INFO) << "Event " << std::hex << static_cast<unsigned>(event.aType) |
| 141 | << "is received but ignored."; |
| 142 | break; |
| 143 | default: |
| 144 | LOG(ERROR) << "Unknown event id: " << static_cast<unsigned>(event.aType); |
| 145 | break; |
| 146 | } |
| 147 | |
Haoxiang Li | a091e4a | 2020-06-06 20:38:46 -0700 | [diff] [blame] | 148 | return {}; |
| 149 | } |
| 150 | |
| 151 | bool SurroundView2dSession::copyFromBufferToPointers( |
| 152 | BufferDesc_1_1 buffer, SurroundViewInputBufferPointers pointers) { |
| 153 | |
| 154 | AHardwareBuffer_Desc* pDesc = |
| 155 | reinterpret_cast<AHardwareBuffer_Desc *>(&buffer.buffer.description); |
| 156 | |
| 157 | // create a GraphicBuffer from the existing handle |
| 158 | sp<GraphicBuffer> inputBuffer = new GraphicBuffer( |
| 159 | buffer.buffer.nativeHandle, GraphicBuffer::CLONE_HANDLE, pDesc->width, |
| 160 | pDesc->height, pDesc->format, pDesc->layers, |
| 161 | GRALLOC_USAGE_HW_TEXTURE, pDesc->stride); |
| 162 | |
| 163 | if (inputBuffer == nullptr) { |
| 164 | LOG(ERROR) << "Failed to allocate GraphicBuffer to wrap image handle"; |
| 165 | // Returning "true" in this error condition because we already released the |
| 166 | // previous image (if any) and so the texture may change in unpredictable |
| 167 | // ways now! |
| 168 | return false; |
| 169 | } else { |
| 170 | LOG(INFO) << "Managed to allocate GraphicBuffer with " |
| 171 | << " width: " << pDesc->width |
| 172 | << " height: " << pDesc->height |
| 173 | << " format: " << pDesc->format |
| 174 | << " stride: " << pDesc->stride; |
| 175 | } |
| 176 | |
| 177 | // Lock the input GraphicBuffer and map it to a pointer. If we failed to |
| 178 | // lock, return false. |
| 179 | void* inputDataPtr; |
| 180 | inputBuffer->lock( |
| 181 | GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_NEVER, |
| 182 | &inputDataPtr); |
| 183 | if (!inputDataPtr) { |
| 184 | LOG(ERROR) << "Failed to gain read access to GraphicBuffer"; |
| 185 | inputBuffer->unlock(); |
| 186 | return false; |
| 187 | } else { |
| 188 | LOG(INFO) << "Managed to get read access to GraphicBuffer"; |
| 189 | } |
| 190 | |
| 191 | int stride = pDesc->stride; |
| 192 | |
| 193 | // readPtr comes from EVS, and it is with 4 channels |
| 194 | uint8_t* readPtr = static_cast<uint8_t*>(inputDataPtr); |
| 195 | |
| 196 | // writePtr comes from CV imread, and it is with 3 channels |
| 197 | uint8_t* writePtr = static_cast<uint8_t*>(pointers.cpu_data_pointer); |
| 198 | |
| 199 | for (int i=0; i<pDesc->width; i++) |
| 200 | for (int j=0; j<pDesc->height; j++) { |
| 201 | writePtr[(i + j * stride) * 3 + 0] = |
| 202 | readPtr[(i + j * stride) * 4 + 0]; |
| 203 | writePtr[(i + j * stride) * 3 + 1] = |
| 204 | readPtr[(i + j * stride) * 4 + 1]; |
| 205 | writePtr[(i + j * stride) * 3 + 2] = |
| 206 | readPtr[(i + j * stride) * 4 + 2]; |
| 207 | } |
| 208 | LOG(INFO) << "Brute force copying finished"; |
| 209 | |
| 210 | return true; |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 211 | } |
| 212 | |
Haoxiang Li | ca7719a | 2020-06-03 20:51:11 -0700 | [diff] [blame] | 213 | void SurroundView2dSession::processFrames() { |
| 214 | while (true) { |
| 215 | { |
| 216 | unique_lock<mutex> lock(mAccessLock); |
| 217 | |
| 218 | if (mStreamState != RUNNING) { |
| 219 | break; |
| 220 | } |
| 221 | |
Haoxiang Li | e3011cc | 2020-06-10 21:33:26 -0700 | [diff] [blame] | 222 | mFramesSignal.wait(lock, [this]() { return mProcessingEvsFrames; }); |
Haoxiang Li | ca7719a | 2020-06-03 20:51:11 -0700 | [diff] [blame] | 223 | } |
| 224 | |
| 225 | handleFrames(mSequenceId); |
| 226 | |
| 227 | { |
| 228 | // Set the boolean to false to receive the next set of frames. |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 229 | scoped_lock<mutex> lock(mAccessLock); |
Haoxiang Li | e3011cc | 2020-06-10 21:33:26 -0700 | [diff] [blame] | 230 | mProcessingEvsFrames = false; |
Haoxiang Li | ca7719a | 2020-06-03 20:51:11 -0700 | [diff] [blame] | 231 | } |
| 232 | } |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 233 | |
| 234 | // Notify the SV client that no new results will be delivered. |
| 235 | LOG(DEBUG) << "Notify SvEvent::STREAM_STOPPED"; |
| 236 | mStream->notify(SvEvent::STREAM_STOPPED); |
| 237 | |
| 238 | { |
| 239 | scoped_lock<mutex> lock(mAccessLock); |
| 240 | mStreamState = STOPPED; |
| 241 | mStream = nullptr; |
| 242 | LOG(DEBUG) << "Stream marked STOPPED."; |
| 243 | } |
Haoxiang Li | ca7719a | 2020-06-03 20:51:11 -0700 | [diff] [blame] | 244 | } |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 245 | |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 246 | SurroundView2dSession::SurroundView2dSession(sp<IEvsEnumerator> pEvs) |
| 247 | : mEvs(pEvs), |
| 248 | mStreamState(STOPPED) { |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 249 | mEvsCameraIds = {"0", "1", "2", "3"}; |
| 250 | } |
| 251 | |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 252 | SurroundView2dSession::~SurroundView2dSession() { |
| 253 | // In case the client did not call stopStream properly, we should stop the |
| 254 | // stream explicitly. Otherwise the process thread will take forever to |
| 255 | // join. |
| 256 | stopStream(); |
| 257 | |
| 258 | // Waiting for the process thread to finish the buffered frames. |
| 259 | if (mProcessThread.joinable()) { |
| 260 | mProcessThread.join(); |
| 261 | } |
| 262 | |
| 263 | mEvs->closeCamera(mCamera); |
| 264 | } |
| 265 | |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 266 | // Methods from ::android::hardware::automotive::sv::V1_0::ISurroundViewSession |
| 267 | Return<SvResult> SurroundView2dSession::startStream( |
| 268 | const sp<ISurroundViewStream>& stream) { |
| 269 | LOG(DEBUG) << __FUNCTION__; |
| 270 | scoped_lock<mutex> lock(mAccessLock); |
| 271 | |
| 272 | if (!mIsInitialized && !initialize()) { |
| 273 | LOG(ERROR) << "There is an error while initializing the use case. " |
| 274 | << "Exiting"; |
| 275 | return SvResult::INTERNAL_ERROR; |
| 276 | } |
| 277 | |
| 278 | if (mStreamState != STOPPED) { |
| 279 | LOG(ERROR) << "Ignoring startVideoStream call" |
| 280 | << "when a stream is already running."; |
| 281 | return SvResult::INTERNAL_ERROR; |
| 282 | } |
| 283 | |
| 284 | if (stream == nullptr) { |
| 285 | LOG(ERROR) << "The input stream is invalid"; |
| 286 | return SvResult::INTERNAL_ERROR; |
| 287 | } |
| 288 | mStream = stream; |
| 289 | |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 290 | mSequenceId = 0; |
| 291 | startEvs(); |
| 292 | |
| 293 | // TODO(b/158131080): the STREAM_STARTED event is not implemented in EVS |
| 294 | // reference implementation yet. Once implemented, this logic should be |
| 295 | // moved to EVS notify callback. |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 296 | LOG(DEBUG) << "Notify SvEvent::STREAM_STARTED"; |
| 297 | mStream->notify(SvEvent::STREAM_STARTED); |
Haoxiang Li | e3011cc | 2020-06-10 21:33:26 -0700 | [diff] [blame] | 298 | mProcessingEvsFrames = false; |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 299 | |
| 300 | // Start the frame generation thread |
| 301 | mStreamState = RUNNING; |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 302 | |
Haoxiang Li | ca7719a | 2020-06-03 20:51:11 -0700 | [diff] [blame] | 303 | mProcessThread = thread([this]() { |
| 304 | processFrames(); |
| 305 | }); |
| 306 | |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 307 | return SvResult::OK; |
| 308 | } |
| 309 | |
| 310 | Return<void> SurroundView2dSession::stopStream() { |
| 311 | LOG(DEBUG) << __FUNCTION__; |
| 312 | unique_lock<mutex> lock(mAccessLock); |
| 313 | |
| 314 | if (mStreamState == RUNNING) { |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 315 | // Tell the processFrames loop to stop processing frames |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 316 | mStreamState = STOPPING; |
| 317 | |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 318 | // Stop the EVS stream asynchronizely |
| 319 | mCamera->stopVideoStream(); |
| 320 | mFramesHandler = nullptr; |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 321 | } |
| 322 | |
| 323 | return {}; |
| 324 | } |
| 325 | |
| 326 | Return<void> SurroundView2dSession::doneWithFrames( |
| 327 | const SvFramesDesc& svFramesDesc){ |
| 328 | LOG(DEBUG) << __FUNCTION__; |
| 329 | scoped_lock <mutex> lock(mAccessLock); |
| 330 | |
Haoxiang Li | e3011cc | 2020-06-10 21:33:26 -0700 | [diff] [blame] | 331 | mFramesRecord.inUse = false; |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 332 | |
| 333 | (void)svFramesDesc; |
| 334 | return {}; |
| 335 | } |
| 336 | |
| 337 | // Methods from ISurroundView2dSession follow. |
| 338 | Return<void> SurroundView2dSession::get2dMappingInfo( |
| 339 | get2dMappingInfo_cb _hidl_cb) { |
| 340 | LOG(DEBUG) << __FUNCTION__; |
| 341 | |
| 342 | _hidl_cb(mInfo); |
| 343 | return {}; |
| 344 | } |
| 345 | |
| 346 | Return<SvResult> SurroundView2dSession::set2dConfig( |
| 347 | const Sv2dConfig& sv2dConfig) { |
| 348 | LOG(DEBUG) << __FUNCTION__; |
| 349 | scoped_lock <mutex> lock(mAccessLock); |
| 350 | |
| 351 | if (sv2dConfig.width <=0 || sv2dConfig.width > 4096) { |
| 352 | LOG(WARNING) << "The width of 2d config is out of the range (0, 4096]" |
| 353 | << "Ignored!"; |
| 354 | return SvResult::INVALID_ARG; |
| 355 | } |
| 356 | |
| 357 | mConfig.width = sv2dConfig.width; |
| 358 | mConfig.blending = sv2dConfig.blending; |
| 359 | mHeight = mConfig.width * mInfo.height / mInfo.width; |
| 360 | |
| 361 | if (mStream != nullptr) { |
| 362 | LOG(DEBUG) << "Notify SvEvent::CONFIG_UPDATED"; |
| 363 | mStream->notify(SvEvent::CONFIG_UPDATED); |
| 364 | } |
| 365 | |
| 366 | return SvResult::OK; |
| 367 | } |
| 368 | |
| 369 | Return<void> SurroundView2dSession::get2dConfig(get2dConfig_cb _hidl_cb) { |
| 370 | LOG(DEBUG) << __FUNCTION__; |
| 371 | |
| 372 | _hidl_cb(mConfig); |
| 373 | return {}; |
| 374 | } |
| 375 | |
| 376 | Return<void> SurroundView2dSession::projectCameraPoints( |
| 377 | const hidl_vec<Point2dInt>& points2dCamera, |
| 378 | const hidl_string& cameraId, |
| 379 | projectCameraPoints_cb _hidl_cb) { |
| 380 | LOG(DEBUG) << __FUNCTION__; |
| 381 | scoped_lock <mutex> lock(mAccessLock); |
| 382 | |
| 383 | bool cameraIdFound = false; |
| 384 | for (auto& evsCameraId : mEvsCameraIds) { |
| 385 | if (cameraId == evsCameraId) { |
| 386 | cameraIdFound = true; |
| 387 | LOG(INFO) << "Camera id found."; |
| 388 | break; |
| 389 | } |
| 390 | } |
| 391 | |
| 392 | if (!cameraIdFound) { |
| 393 | LOG(ERROR) << "Camera id not found."; |
| 394 | _hidl_cb({}); |
| 395 | return {}; |
| 396 | } |
| 397 | |
| 398 | hidl_vec<Point2dFloat> outPoints; |
| 399 | outPoints.resize(points2dCamera.size()); |
| 400 | |
| 401 | int width = mConfig.width; |
| 402 | int height = mHeight; |
| 403 | for (int i=0; i<points2dCamera.size(); i++) { |
| 404 | // Assuming all the points in the image frame can be projected into 2d |
| 405 | // Surround View space. Otherwise cannot. |
| 406 | if (points2dCamera[i].x < 0 || points2dCamera[i].x > width-1 || |
| 407 | points2dCamera[i].y < 0 || points2dCamera[i].y > height-1) { |
| 408 | LOG(WARNING) << __FUNCTION__ |
| 409 | << ": gets invalid 2d camera points. Ignored"; |
| 410 | outPoints[i].isValid = false; |
| 411 | outPoints[i].x = 10000; |
| 412 | outPoints[i].y = 10000; |
| 413 | } else { |
| 414 | outPoints[i].isValid = true; |
| 415 | outPoints[i].x = 0; |
| 416 | outPoints[i].y = 0; |
| 417 | } |
| 418 | } |
| 419 | |
| 420 | _hidl_cb(outPoints); |
| 421 | return {}; |
| 422 | } |
| 423 | |
Haoxiang Li | ca7719a | 2020-06-03 20:51:11 -0700 | [diff] [blame] | 424 | bool SurroundView2dSession::handleFrames(int sequenceId) { |
| 425 | LOG(INFO) << __FUNCTION__ << "Handling sequenceId " << sequenceId << "."; |
| 426 | |
Haoxiang Li | e3011cc | 2020-06-10 21:33:26 -0700 | [diff] [blame] | 427 | // TODO(b/157498592): Now only one sets of EVS input frames and one SV |
| 428 | // output frame is supported. Implement buffer queue for both of them. |
| 429 | { |
| 430 | scoped_lock<mutex> lock(mAccessLock); |
| 431 | |
| 432 | if (mFramesRecord.inUse) { |
| 433 | LOG(DEBUG) << "Notify SvEvent::FRAME_DROPPED"; |
| 434 | mStream->notify(SvEvent::FRAME_DROPPED); |
| 435 | return true; |
| 436 | } |
| 437 | } |
| 438 | |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 439 | if (mOutputWidth != mConfig.width || mOutputHeight != mHeight) { |
| 440 | LOG(DEBUG) << "Config changed. Re-allocate memory." |
| 441 | << " Old width: " |
| 442 | << mOutputWidth |
| 443 | << " Old height: " |
| 444 | << mOutputHeight |
| 445 | << " New width: " |
| 446 | << mConfig.width |
| 447 | << " New height: " |
| 448 | << mHeight; |
| 449 | delete[] static_cast<char*>(mOutputPointer.data_pointer); |
| 450 | mOutputWidth = mConfig.width; |
| 451 | mOutputHeight = mHeight; |
| 452 | mOutputPointer.height = mOutputHeight; |
| 453 | mOutputPointer.width = mOutputWidth; |
| 454 | mOutputPointer.format = Format::RGB; |
| 455 | mOutputPointer.data_pointer = |
| 456 | new char[mOutputHeight * mOutputWidth * kNumChannels]; |
| 457 | |
| 458 | if (!mOutputPointer.data_pointer) { |
| 459 | LOG(ERROR) << "Memory allocation failed. Exiting."; |
| 460 | return false; |
| 461 | } |
| 462 | |
| 463 | Size2dInteger size = Size2dInteger(mOutputWidth, mOutputHeight); |
| 464 | mSurroundView->Update2dOutputResolution(size); |
| 465 | |
| 466 | mSvTexture = new GraphicBuffer(mOutputWidth, |
| 467 | mOutputHeight, |
| 468 | HAL_PIXEL_FORMAT_RGB_888, |
| 469 | 1, |
| 470 | GRALLOC_USAGE_HW_TEXTURE, |
| 471 | "SvTexture"); |
| 472 | if (mSvTexture->initCheck() == OK) { |
| 473 | LOG(INFO) << "Successfully allocated Graphic Buffer"; |
| 474 | } else { |
| 475 | LOG(ERROR) << "Failed to allocate Graphic Buffer"; |
| 476 | return false; |
| 477 | } |
| 478 | } |
| 479 | |
Haoxiang Li | ca7719a | 2020-06-03 20:51:11 -0700 | [diff] [blame] | 480 | if (mSurroundView->Get2dSurroundView(mInputPointers, &mOutputPointer)) { |
| 481 | LOG(INFO) << "Get2dSurroundView succeeded"; |
| 482 | } else { |
| 483 | LOG(ERROR) << "Get2dSurroundView failed. " |
| 484 | << "Using memset to initialize to gray"; |
| 485 | memset(mOutputPointer.data_pointer, kGrayColor, |
| 486 | mOutputHeight * mOutputWidth * kNumChannels); |
| 487 | } |
| 488 | |
| 489 | void* textureDataPtr = nullptr; |
| 490 | mSvTexture->lock(GRALLOC_USAGE_SW_WRITE_OFTEN |
| 491 | | GRALLOC_USAGE_SW_READ_NEVER, |
| 492 | &textureDataPtr); |
| 493 | if (!textureDataPtr) { |
| 494 | LOG(ERROR) << "Failed to gain write access to GraphicBuffer!"; |
| 495 | return false; |
| 496 | } |
| 497 | |
| 498 | // Note: there is a chance that the stride of the texture is not the same |
| 499 | // as the width. For example, when the input frame is 1920 * 1080, the |
| 500 | // width is 1080, but the stride is 2048. So we'd better copy the data line |
| 501 | // by line, instead of single memcpy. |
| 502 | uint8_t* writePtr = static_cast<uint8_t*>(textureDataPtr); |
| 503 | uint8_t* readPtr = static_cast<uint8_t*>(mOutputPointer.data_pointer); |
| 504 | const int readStride = mOutputWidth * kNumChannels; |
| 505 | const int writeStride = mSvTexture->getStride() * kNumChannels; |
| 506 | if (readStride == writeStride) { |
| 507 | memcpy(writePtr, readPtr, readStride * mSvTexture->getHeight()); |
| 508 | } else { |
| 509 | for (int i=0; i<mSvTexture->getHeight(); i++) { |
| 510 | memcpy(writePtr, readPtr, readStride); |
| 511 | writePtr = writePtr + writeStride; |
| 512 | readPtr = readPtr + readStride; |
| 513 | } |
| 514 | } |
| 515 | LOG(DEBUG) << "memcpy finished"; |
| 516 | mSvTexture->unlock(); |
| 517 | |
| 518 | ANativeWindowBuffer* buffer = mSvTexture->getNativeBuffer(); |
| 519 | LOG(DEBUG) << "ANativeWindowBuffer->handle: " |
| 520 | << buffer->handle; |
| 521 | |
Haoxiang Li | ca7719a | 2020-06-03 20:51:11 -0700 | [diff] [blame] | 522 | { |
| 523 | scoped_lock<mutex> lock(mAccessLock); |
| 524 | |
Haoxiang Li | e3011cc | 2020-06-10 21:33:26 -0700 | [diff] [blame] | 525 | mFramesRecord.frames.svBuffers.resize(1); |
| 526 | SvBuffer& svBuffer = mFramesRecord.frames.svBuffers[0]; |
| 527 | svBuffer.viewId = kSv2dViewId; |
| 528 | svBuffer.hardwareBuffer.nativeHandle = buffer->handle; |
| 529 | AHardwareBuffer_Desc* pDesc = |
| 530 | reinterpret_cast<AHardwareBuffer_Desc*>( |
| 531 | &svBuffer.hardwareBuffer.description); |
| 532 | pDesc->width = mOutputWidth; |
| 533 | pDesc->height = mOutputHeight; |
| 534 | pDesc->layers = 1; |
| 535 | pDesc->usage = GRALLOC_USAGE_HW_TEXTURE; |
| 536 | pDesc->stride = mSvTexture->getStride(); |
| 537 | pDesc->format = HAL_PIXEL_FORMAT_RGB_888; |
| 538 | mFramesRecord.frames.timestampNs = elapsedRealtimeNano(); |
| 539 | mFramesRecord.frames.sequenceId = sequenceId; |
| 540 | |
| 541 | mFramesRecord.inUse = true; |
| 542 | mStream->receiveFrames(mFramesRecord.frames); |
Haoxiang Li | ca7719a | 2020-06-03 20:51:11 -0700 | [diff] [blame] | 543 | } |
| 544 | |
| 545 | return true; |
| 546 | } |
| 547 | |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 548 | bool SurroundView2dSession::initialize() { |
| 549 | lock_guard<mutex> lock(mAccessLock, adopt_lock); |
| 550 | |
| 551 | // TODO(b/150412555): ask core-lib team to add API description for "create" |
| 552 | // method in the .h file. |
| 553 | // The create method will never return a null pointer based the API |
| 554 | // description. |
| 555 | mSurroundView = unique_ptr<SurroundView>(Create()); |
| 556 | |
Haoxiang Li | ab82089 | 2020-05-20 08:50:20 -0700 | [diff] [blame] | 557 | SurroundViewStaticDataParams params = |
| 558 | SurroundViewStaticDataParams(GetCameras(), |
| 559 | Get2dParams(), |
| 560 | Get3dParams(), |
| 561 | GetUndistortionScales(), |
| 562 | GetBoundingBox(), |
| 563 | map<string, CarTexture>(), |
| 564 | map<string, CarPart>()); |
| 565 | mSurroundView->SetStaticData(params); |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 566 | |
Haoxiang Li | a091e4a | 2020-06-06 20:38:46 -0700 | [diff] [blame] | 567 | mInputPointers.resize(4); |
| 568 | // TODO(b/157498737): the following parameters should be fed from config |
| 569 | // files. Remove the hard-coding values once I/O module is ready. |
| 570 | for (int i=0; i<4; i++) { |
| 571 | mInputPointers[i].width = 1920; |
| 572 | mInputPointers[i].height = 1024; |
| 573 | mInputPointers[i].format = Format::RGB; |
| 574 | mInputPointers[i].cpu_data_pointer = |
| 575 | (void*) new uint8_t[mInputPointers[i].width * |
| 576 | mInputPointers[i].height * |
| 577 | kNumChannels]; |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 578 | } |
Haoxiang Li | a091e4a | 2020-06-06 20:38:46 -0700 | [diff] [blame] | 579 | LOG(INFO) << "Allocated 4 input pointers"; |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 580 | |
| 581 | mOutputWidth = Get2dParams().resolution.width; |
| 582 | mOutputHeight = Get2dParams().resolution.height; |
| 583 | |
| 584 | mConfig.width = mOutputWidth; |
| 585 | mConfig.blending = SvQuality::HIGH; |
| 586 | mHeight = mOutputHeight; |
| 587 | |
| 588 | mOutputPointer.height = mOutputHeight; |
| 589 | mOutputPointer.width = mOutputWidth; |
| 590 | mOutputPointer.format = mInputPointers[0].format; |
| 591 | mOutputPointer.data_pointer = new char[ |
| 592 | mOutputHeight * mOutputWidth * kNumChannels]; |
| 593 | |
| 594 | if (!mOutputPointer.data_pointer) { |
| 595 | LOG(ERROR) << "Memory allocation failed. Exiting."; |
| 596 | return false; |
| 597 | } |
| 598 | |
| 599 | mSvTexture = new GraphicBuffer(mOutputWidth, |
| 600 | mOutputHeight, |
| 601 | HAL_PIXEL_FORMAT_RGB_888, |
| 602 | 1, |
| 603 | GRALLOC_USAGE_HW_TEXTURE, |
| 604 | "SvTexture"); |
| 605 | |
| 606 | //TODO(b/150412555): the 2d mapping info should be read from config file. |
| 607 | mInfo.width = 8; |
| 608 | mInfo.height = 6; |
| 609 | mInfo.center.isValid = true; |
| 610 | mInfo.center.x = 0; |
| 611 | mInfo.center.y = 0; |
| 612 | |
| 613 | if (mSvTexture->initCheck() == OK) { |
| 614 | LOG(INFO) << "Successfully allocated Graphic Buffer"; |
| 615 | } else { |
| 616 | LOG(ERROR) << "Failed to allocate Graphic Buffer"; |
| 617 | return false; |
| 618 | } |
| 619 | |
| 620 | if (mSurroundView->Start2dPipeline()) { |
| 621 | LOG(INFO) << "Start2dPipeline succeeded"; |
| 622 | } else { |
| 623 | LOG(ERROR) << "Start2dPipeline failed"; |
| 624 | return false; |
| 625 | } |
| 626 | |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 627 | if (!setupEvs()) { |
| 628 | LOG(ERROR) << "Failed to setup EVS components for 2d session"; |
| 629 | return false; |
| 630 | } |
| 631 | |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 632 | mIsInitialized = true; |
| 633 | return true; |
| 634 | } |
| 635 | |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 636 | bool SurroundView2dSession::setupEvs() { |
| 637 | // Setup for EVS |
| 638 | // TODO(b/157498737): We are using hard-coded camera "group0" here. It |
| 639 | // should be read from configuration file once I/O module is ready. |
| 640 | LOG(INFO) << "Requesting camera list"; |
| 641 | mEvs->getCameraList_1_1([this] (hidl_vec<CameraDesc> cameraList) { |
| 642 | LOG(INFO) << "Camera list callback received " << cameraList.size(); |
| 643 | for (auto&& cam : cameraList) { |
| 644 | LOG(INFO) << "Found camera " << cam.v1.cameraId; |
| 645 | if (cam.v1.cameraId == "group0") { |
| 646 | mCameraDesc = cam; |
| 647 | } |
| 648 | } |
| 649 | }); |
| 650 | |
| 651 | bool foundCfg = false; |
| 652 | std::unique_ptr<Stream> targetCfg(new Stream()); |
| 653 | |
| 654 | // This logic picks the configuration with the largest area that supports |
| 655 | // RGBA8888 format |
| 656 | int32_t maxArea = 0; |
| 657 | camera_metadata_entry_t streamCfgs; |
| 658 | if (!find_camera_metadata_entry( |
| 659 | reinterpret_cast<camera_metadata_t *>(mCameraDesc.metadata.data()), |
| 660 | ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS, |
| 661 | &streamCfgs)) { |
| 662 | // Stream configurations are found in metadata |
| 663 | RawStreamConfig *ptr = reinterpret_cast<RawStreamConfig *>( |
| 664 | streamCfgs.data.i32); |
| 665 | for (unsigned idx = 0; idx < streamCfgs.count; idx += kStreamCfgSz) { |
| 666 | if (ptr->direction == |
| 667 | ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT && |
| 668 | ptr->format == HAL_PIXEL_FORMAT_RGBA_8888) { |
| 669 | |
| 670 | if (ptr->width * ptr->height > maxArea) { |
| 671 | targetCfg->id = ptr->id; |
| 672 | targetCfg->width = ptr->width; |
| 673 | targetCfg->height = ptr->height; |
| 674 | |
| 675 | // This client always wants below input data format |
| 676 | targetCfg->format = |
| 677 | static_cast<GraphicsPixelFormat>( |
| 678 | HAL_PIXEL_FORMAT_RGBA_8888); |
| 679 | |
| 680 | maxArea = ptr->width * ptr->height; |
| 681 | |
| 682 | foundCfg = true; |
| 683 | } |
| 684 | } |
| 685 | ++ptr; |
| 686 | } |
| 687 | } else { |
| 688 | LOG(WARNING) << "No stream configuration data is found; " |
| 689 | << "default parameters will be used."; |
| 690 | } |
| 691 | |
| 692 | if (!foundCfg) { |
| 693 | LOG(INFO) << "No config was found"; |
| 694 | targetCfg = nullptr; |
| 695 | return false; |
| 696 | } |
| 697 | |
| 698 | string camId = mCameraDesc.v1.cameraId.c_str(); |
| 699 | mCamera = mEvs->openCamera_1_1(camId.c_str(), *targetCfg); |
| 700 | if (mCamera == nullptr) { |
| 701 | LOG(ERROR) << "Failed to allocate EVS Camera interface for " << camId; |
| 702 | return false; |
| 703 | } else { |
| 704 | LOG(INFO) << "Camera " << camId << " is opened successfully"; |
| 705 | } |
| 706 | |
Haoxiang Li | 0c07824 | 2020-06-10 16:59:29 -0700 | [diff] [blame^] | 707 | // TODO(b/156101189): camera position information is needed from the |
| 708 | // I/O module. |
| 709 | vector<string> cameraIds = getPhysicalCameraIds(mCamera); |
| 710 | map<string, AndroidCameraParams> cameraIdToAndroidParameters; |
| 711 | |
| 712 | for (auto& id : cameraIds) { |
| 713 | AndroidCameraParams params; |
| 714 | if (getAndroidCameraParams(mCamera, id, params)) { |
| 715 | cameraIdToAndroidParameters.emplace(id, params); |
| 716 | LOG(INFO) << "Camera parameters are fetched successfully for " |
| 717 | << "physical camera: " << id; |
| 718 | } else { |
| 719 | LOG(ERROR) << "Failed to get camera parameters for " |
| 720 | << "physical camera: " << id; |
| 721 | return false; |
| 722 | } |
| 723 | } |
| 724 | |
Haoxiang Li | b88cd3e | 2020-06-04 10:27:31 -0700 | [diff] [blame] | 725 | return true; |
| 726 | } |
| 727 | |
| 728 | bool SurroundView2dSession::startEvs() { |
| 729 | mFramesHandler = new FramesHandler(mCamera, this); |
| 730 | Return<EvsResult> result = mCamera->startVideoStream(mFramesHandler); |
| 731 | if (result != EvsResult::OK) { |
| 732 | LOG(ERROR) << "Failed to start video stream"; |
| 733 | return false; |
| 734 | } else { |
| 735 | LOG(INFO) << "Video stream was started successfully"; |
| 736 | } |
| 737 | |
| 738 | return true; |
| 739 | } |
| 740 | |
Haoxiang Li | 35d2a70 | 2020-04-10 01:19:32 +0000 | [diff] [blame] | 741 | } // namespace implementation |
| 742 | } // namespace V1_0 |
| 743 | } // namespace sv |
| 744 | } // namespace automotive |
| 745 | } // namespace hardware |
| 746 | } // namespace android |
| 747 | |