--- /dev/null
+/*
+ * Copyright (C) 2012 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.
+ */
+
+/*
+ * Contains implementation of a class EmulatedFakeCamera2 that encapsulates
+ * functionality of an advanced fake camera.
+ */
+
+#include <inttypes.h>
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "EmulatedCamera_FakeCamera2"
+#include <utils/Log.h>
+
+#include "EmulatedFakeCamera2.h"
+#include "EmulatedCameraFactory.h"
+#include <ui/Rect.h>
+#include <ui/GraphicBufferMapper.h>
+#include "gralloc_cb.h"
+
+#define ERROR_CAMERA_NOT_PRESENT -EPIPE
+
+#define CAMERA2_EXT_TRIGGER_TESTING_DISCONNECT 0xFFFFFFFF
+
+namespace android {
+
+const int64_t USEC = 1000LL;
+const int64_t MSEC = USEC * 1000LL;
+const int64_t SEC = MSEC * 1000LL;
+
+const uint32_t EmulatedFakeCamera2::kAvailableFormats[4] = {
+ HAL_PIXEL_FORMAT_RAW16,
+ HAL_PIXEL_FORMAT_BLOB,
+ HAL_PIXEL_FORMAT_RGBA_8888,
+ // HAL_PIXEL_FORMAT_YV12,
+ HAL_PIXEL_FORMAT_YCrCb_420_SP
+};
+
+const uint32_t EmulatedFakeCamera2::kAvailableRawSizes[2] = {
+ 640, 480
+ // Sensor::kResolution[0], Sensor::kResolution[1]
+};
+
+const uint64_t EmulatedFakeCamera2::kAvailableRawMinDurations[1] = {
+ static_cast<uint64_t>(Sensor::kFrameDurationRange[0])
+};
+
+const uint32_t EmulatedFakeCamera2::kAvailableProcessedSizesBack[4] = {
+ 640, 480, 320, 240
+ // Sensor::kResolution[0], Sensor::kResolution[1]
+};
+
+const uint32_t EmulatedFakeCamera2::kAvailableProcessedSizesFront[4] = {
+ 320, 240, 160, 120
+ // Sensor::kResolution[0], Sensor::kResolution[1]
+};
+
+const uint64_t EmulatedFakeCamera2::kAvailableProcessedMinDurations[1] = {
+ static_cast<uint64_t>(Sensor::kFrameDurationRange[0])
+};
+
+const uint32_t EmulatedFakeCamera2::kAvailableJpegSizesBack[2] = {
+ 640, 480
+ // Sensor::kResolution[0], Sensor::kResolution[1]
+};
+
+const uint32_t EmulatedFakeCamera2::kAvailableJpegSizesFront[2] = {
+ 320, 240
+ // Sensor::kResolution[0], Sensor::kResolution[1]
+};
+
+
+const uint64_t EmulatedFakeCamera2::kAvailableJpegMinDurations[1] = {
+ static_cast<uint64_t>(Sensor::kFrameDurationRange[0])
+};
+
+
+EmulatedFakeCamera2::EmulatedFakeCamera2(int cameraId,
+ bool facingBack,
+ struct hw_module_t* module)
+ : EmulatedCamera2(cameraId,module),
+ mFacingBack(facingBack),
+ mIsConnected(false)
+{
+ ALOGD("Constructing emulated fake camera 2 facing %s",
+ facingBack ? "back" : "front");
+}
+
+EmulatedFakeCamera2::~EmulatedFakeCamera2() {
+ if (mCameraInfo != NULL) {
+ free_camera_metadata(mCameraInfo);
+ }
+}
+
+/****************************************************************************
+ * Public API overrides
+ ***************************************************************************/
+
+status_t EmulatedFakeCamera2::Initialize() {
+ status_t res;
+
+ res = constructStaticInfo(&mCameraInfo, true);
+ if (res != OK) {
+ ALOGE("%s: Unable to allocate static info: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ return res;
+ }
+ res = constructStaticInfo(&mCameraInfo, false);
+ if (res != OK) {
+ ALOGE("%s: Unable to fill in static info: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ return res;
+ }
+ if (res != OK) return res;
+
+ mNextStreamId = 1;
+ mNextReprocessStreamId = 1;
+ mRawStreamCount = 0;
+ mProcessedStreamCount = 0;
+ mJpegStreamCount = 0;
+ mReprocessStreamCount = 0;
+
+ return NO_ERROR;
+}
+
+/****************************************************************************
+ * Camera module API overrides
+ ***************************************************************************/
+
+status_t EmulatedFakeCamera2::connectCamera(hw_device_t** device) {
+ status_t res;
+ ALOGV("%s", __FUNCTION__);
+
+ {
+ Mutex::Autolock l(mMutex);
+ if (!mStatusPresent) {
+ ALOGE("%s: Camera ID %d is unplugged", __FUNCTION__,
+ mCameraID);
+ return -ENODEV;
+ }
+ }
+
+ mConfigureThread = new ConfigureThread(this);
+ mReadoutThread = new ReadoutThread(this);
+ mControlThread = new ControlThread(this);
+ mSensor = new Sensor();
+ mJpegCompressor = new JpegCompressor();
+
+ mNextStreamId = 1;
+ mNextReprocessStreamId = 1;
+
+ res = mSensor->startUp();
+ if (res != NO_ERROR) return res;
+
+ res = mConfigureThread->run("EmulatedFakeCamera2::configureThread");
+ if (res != NO_ERROR) return res;
+
+ res = mReadoutThread->run("EmulatedFakeCamera2::readoutThread");
+ if (res != NO_ERROR) return res;
+
+ res = mControlThread->run("EmulatedFakeCamera2::controlThread");
+ if (res != NO_ERROR) return res;
+
+ status_t ret = EmulatedCamera2::connectCamera(device);
+
+ if (ret >= 0) {
+ mIsConnected = true;
+ }
+
+ return ret;
+}
+
+status_t EmulatedFakeCamera2::plugCamera() {
+ {
+ Mutex::Autolock l(mMutex);
+
+ if (!mStatusPresent) {
+ ALOGI("%s: Plugged back in", __FUNCTION__);
+ mStatusPresent = true;
+ }
+ }
+
+ return NO_ERROR;
+}
+
+status_t EmulatedFakeCamera2::unplugCamera() {
+ {
+ Mutex::Autolock l(mMutex);
+
+ if (mStatusPresent) {
+ ALOGI("%s: Unplugged camera", __FUNCTION__);
+ mStatusPresent = false;
+ }
+ }
+
+ return closeCamera();
+}
+
+camera_device_status_t EmulatedFakeCamera2::getHotplugStatus() {
+ Mutex::Autolock l(mMutex);
+ return mStatusPresent ?
+ CAMERA_DEVICE_STATUS_PRESENT :
+ CAMERA_DEVICE_STATUS_NOT_PRESENT;
+}
+
+
+
+status_t EmulatedFakeCamera2::closeCamera() {
+ {
+ Mutex::Autolock l(mMutex);
+
+ status_t res;
+ ALOGV("%s", __FUNCTION__);
+
+ if (!mIsConnected) {
+ return NO_ERROR;
+ }
+
+ res = mSensor->shutDown();
+ if (res != NO_ERROR) {
+ ALOGE("%s: Unable to shut down sensor: %d", __FUNCTION__, res);
+ return res;
+ }
+
+ mConfigureThread->requestExit();
+ mReadoutThread->requestExit();
+ mControlThread->requestExit();
+ mJpegCompressor->cancel();
+ }
+
+ // give up the lock since we will now block and the threads
+ // can call back into this object
+ mConfigureThread->join();
+ mReadoutThread->join();
+ mControlThread->join();
+
+ ALOGV("%s exit", __FUNCTION__);
+
+ {
+ Mutex::Autolock l(mMutex);
+ mIsConnected = false;
+ }
+
+ return NO_ERROR;
+}
+
+status_t EmulatedFakeCamera2::getCameraInfo(struct camera_info *info) {
+ info->facing = mFacingBack ? CAMERA_FACING_BACK : CAMERA_FACING_FRONT;
+ info->orientation = gEmulatedCameraFactory.getFakeCameraOrientation();
+ return EmulatedCamera2::getCameraInfo(info);
+}
+
+/****************************************************************************
+ * Camera device API overrides
+ ***************************************************************************/
+
+/** Request input queue */
+
+int EmulatedFakeCamera2::requestQueueNotify() {
+ ALOGV("Request queue notification received");
+
+ ALOG_ASSERT(mRequestQueueSrc != NULL,
+ "%s: Request queue src not set, but received queue notification!",
+ __FUNCTION__);
+ ALOG_ASSERT(mFrameQueueDst != NULL,
+ "%s: Request queue src not set, but received queue notification!",
+ __FUNCTION__);
+ ALOG_ASSERT(mStreams.size() != 0,
+ "%s: No streams allocated, but received queue notification!",
+ __FUNCTION__);
+ return mConfigureThread->newRequestAvailable();
+}
+
+int EmulatedFakeCamera2::getInProgressCount() {
+ Mutex::Autolock l(mMutex);
+
+ if (!mStatusPresent) {
+ ALOGW("%s: Camera was physically disconnected", __FUNCTION__);
+ return ERROR_CAMERA_NOT_PRESENT;
+ }
+
+ int requestCount = 0;
+ requestCount += mConfigureThread->getInProgressCount();
+ requestCount += mReadoutThread->getInProgressCount();
+ requestCount += mJpegCompressor->isBusy() ? 1 : 0;
+
+ return requestCount;
+}
+
+int EmulatedFakeCamera2::constructDefaultRequest(
+ int request_template,
+ camera_metadata_t **request) {
+
+ if (request == NULL) return BAD_VALUE;
+ if (request_template < 0 || request_template >= CAMERA2_TEMPLATE_COUNT) {
+ return BAD_VALUE;
+ }
+
+ {
+ Mutex::Autolock l(mMutex);
+ if (!mStatusPresent) {
+ ALOGW("%s: Camera was physically disconnected", __FUNCTION__);
+ return ERROR_CAMERA_NOT_PRESENT;
+ }
+ }
+
+ status_t res;
+ // Pass 1, calculate size and allocate
+ res = constructDefaultRequest(request_template,
+ request,
+ true);
+ if (res != OK) {
+ return res;
+ }
+ // Pass 2, build request
+ res = constructDefaultRequest(request_template,
+ request,
+ false);
+ if (res != OK) {
+ ALOGE("Unable to populate new request for template %d",
+ request_template);
+ }
+
+ return res;
+}
+
+int EmulatedFakeCamera2::allocateStream(
+ uint32_t width,
+ uint32_t height,
+ int format,
+ const camera2_stream_ops_t *stream_ops,
+ uint32_t *stream_id,
+ uint32_t *format_actual,
+ uint32_t *usage,
+ uint32_t *max_buffers) {
+ Mutex::Autolock l(mMutex);
+
+ if (!mStatusPresent) {
+ ALOGW("%s: Camera was physically disconnected", __FUNCTION__);
+ return ERROR_CAMERA_NOT_PRESENT;
+ }
+
+ // Temporary shim until FORMAT_ZSL is removed
+ if (format == CAMERA2_HAL_PIXEL_FORMAT_ZSL) {
+ format = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
+ }
+
+ if (format != HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) {
+ unsigned int numFormats = sizeof(kAvailableFormats) / sizeof(uint32_t);
+ unsigned int formatIdx = 0;
+ unsigned int sizeOffsetIdx = 0;
+ for (; formatIdx < numFormats; formatIdx++) {
+ if (format == (int)kAvailableFormats[formatIdx]) break;
+ }
+ if (formatIdx == numFormats) {
+ ALOGE("%s: Format 0x%x is not supported", __FUNCTION__, format);
+ return BAD_VALUE;
+ }
+ }
+
+ const uint32_t *availableSizes;
+ size_t availableSizeCount;
+ switch (format) {
+ case HAL_PIXEL_FORMAT_RAW16:
+ availableSizes = kAvailableRawSizes;
+ availableSizeCount = sizeof(kAvailableRawSizes)/sizeof(uint32_t);
+ break;
+ case HAL_PIXEL_FORMAT_BLOB:
+ availableSizes = mFacingBack ?
+ kAvailableJpegSizesBack : kAvailableJpegSizesFront;
+ availableSizeCount = mFacingBack ?
+ sizeof(kAvailableJpegSizesBack)/sizeof(uint32_t) :
+ sizeof(kAvailableJpegSizesFront)/sizeof(uint32_t);
+ break;
+ case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
+ case HAL_PIXEL_FORMAT_RGBA_8888:
+ case HAL_PIXEL_FORMAT_YV12:
+ case HAL_PIXEL_FORMAT_YCrCb_420_SP:
+ availableSizes = mFacingBack ?
+ kAvailableProcessedSizesBack : kAvailableProcessedSizesFront;
+ availableSizeCount = mFacingBack ?
+ sizeof(kAvailableProcessedSizesBack)/sizeof(uint32_t) :
+ sizeof(kAvailableProcessedSizesFront)/sizeof(uint32_t);
+ break;
+ default:
+ ALOGE("%s: Unknown format 0x%x", __FUNCTION__, format);
+ return BAD_VALUE;
+ }
+
+ unsigned int resIdx = 0;
+ for (; resIdx < availableSizeCount; resIdx++) {
+ if (availableSizes[resIdx * 2] == width &&
+ availableSizes[resIdx * 2 + 1] == height) break;
+ }
+ if (resIdx == availableSizeCount) {
+ ALOGE("%s: Format 0x%x does not support resolution %d, %d", __FUNCTION__,
+ format, width, height);
+ return BAD_VALUE;
+ }
+
+ switch (format) {
+ case HAL_PIXEL_FORMAT_RAW16:
+ if (mRawStreamCount >= kMaxRawStreamCount) {
+ ALOGE("%s: Cannot allocate another raw stream (%d already allocated)",
+ __FUNCTION__, mRawStreamCount);
+ return INVALID_OPERATION;
+ }
+ mRawStreamCount++;
+ break;
+ case HAL_PIXEL_FORMAT_BLOB:
+ if (mJpegStreamCount >= kMaxJpegStreamCount) {
+ ALOGE("%s: Cannot allocate another JPEG stream (%d already allocated)",
+ __FUNCTION__, mJpegStreamCount);
+ return INVALID_OPERATION;
+ }
+ mJpegStreamCount++;
+ break;
+ default:
+ if (mProcessedStreamCount >= kMaxProcessedStreamCount) {
+ ALOGE("%s: Cannot allocate another processed stream (%d already allocated)",
+ __FUNCTION__, mProcessedStreamCount);
+ return INVALID_OPERATION;
+ }
+ mProcessedStreamCount++;
+ }
+
+ Stream newStream;
+ newStream.ops = stream_ops;
+ newStream.width = width;
+ newStream.height = height;
+ newStream.format = format;
+ // TODO: Query stride from gralloc
+ newStream.stride = width;
+
+ mStreams.add(mNextStreamId, newStream);
+
+ *stream_id = mNextStreamId;
+ if (format_actual) *format_actual = format;
+ *usage = GRALLOC_USAGE_HW_CAMERA_WRITE;
+ *max_buffers = kMaxBufferCount;
+
+ ALOGV("Stream allocated: %d, %d x %d, 0x%x. U: %x, B: %d",
+ *stream_id, width, height, format, *usage, *max_buffers);
+
+ mNextStreamId++;
+ return NO_ERROR;
+}
+
+int EmulatedFakeCamera2::registerStreamBuffers(
+ uint32_t stream_id,
+ int num_buffers,
+ buffer_handle_t *buffers) {
+ Mutex::Autolock l(mMutex);
+
+ if (!mStatusPresent) {
+ ALOGW("%s: Camera was physically disconnected", __FUNCTION__);
+ return ERROR_CAMERA_NOT_PRESENT;
+ }
+
+ ALOGV("%s: Stream %d registering %d buffers", __FUNCTION__,
+ stream_id, num_buffers);
+ // Need to find out what the final concrete pixel format for our stream is
+ // Assumes that all buffers have the same format.
+ if (num_buffers < 1) {
+ ALOGE("%s: Stream %d only has %d buffers!",
+ __FUNCTION__, stream_id, num_buffers);
+ return BAD_VALUE;
+ }
+ const cb_handle_t *streamBuffer =
+ reinterpret_cast<const cb_handle_t*>(buffers[0]);
+
+ int finalFormat = streamBuffer->format;
+
+ if (finalFormat == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) {
+ ALOGE("%s: Stream %d: Bad final pixel format "
+ "HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED; "
+ "concrete pixel format required!", __FUNCTION__, stream_id);
+ return BAD_VALUE;
+ }
+
+ ssize_t streamIndex = mStreams.indexOfKey(stream_id);
+ if (streamIndex < 0) {
+ ALOGE("%s: Unknown stream id %d!", __FUNCTION__, stream_id);
+ return BAD_VALUE;
+ }
+
+ Stream &stream = mStreams.editValueAt(streamIndex);
+
+ ALOGV("%s: Stream %d format set to %x, previously %x",
+ __FUNCTION__, stream_id, finalFormat, stream.format);
+
+ stream.format = finalFormat;
+
+ return NO_ERROR;
+}
+
+int EmulatedFakeCamera2::releaseStream(uint32_t stream_id) {
+ Mutex::Autolock l(mMutex);
+
+ ssize_t streamIndex = mStreams.indexOfKey(stream_id);
+ if (streamIndex < 0) {
+ ALOGE("%s: Unknown stream id %d!", __FUNCTION__, stream_id);
+ return BAD_VALUE;
+ }
+
+ if (isStreamInUse(stream_id)) {
+ ALOGE("%s: Cannot release stream %d; in use!", __FUNCTION__,
+ stream_id);
+ return BAD_VALUE;
+ }
+
+ switch(mStreams.valueAt(streamIndex).format) {
+ case HAL_PIXEL_FORMAT_RAW16:
+ mRawStreamCount--;
+ break;
+ case HAL_PIXEL_FORMAT_BLOB:
+ mJpegStreamCount--;
+ break;
+ default:
+ mProcessedStreamCount--;
+ break;
+ }
+
+ mStreams.removeItemsAt(streamIndex);
+
+ return NO_ERROR;
+}
+
+int EmulatedFakeCamera2::allocateReprocessStreamFromStream(
+ uint32_t output_stream_id,
+ const camera2_stream_in_ops_t *stream_ops,
+ uint32_t *stream_id) {
+ Mutex::Autolock l(mMutex);
+
+ if (!mStatusPresent) {
+ ALOGW("%s: Camera was physically disconnected", __FUNCTION__);
+ return ERROR_CAMERA_NOT_PRESENT;
+ }
+
+ ssize_t baseStreamIndex = mStreams.indexOfKey(output_stream_id);
+ if (baseStreamIndex < 0) {
+ ALOGE("%s: Unknown output stream id %d!", __FUNCTION__, output_stream_id);
+ return BAD_VALUE;
+ }
+
+ const Stream &baseStream = mStreams[baseStreamIndex];
+
+ // We'll reprocess anything we produced
+
+ if (mReprocessStreamCount >= kMaxReprocessStreamCount) {
+ ALOGE("%s: Cannot allocate another reprocess stream (%d already allocated)",
+ __FUNCTION__, mReprocessStreamCount);
+ return INVALID_OPERATION;
+ }
+ mReprocessStreamCount++;
+
+ ReprocessStream newStream;
+ newStream.ops = stream_ops;
+ newStream.width = baseStream.width;
+ newStream.height = baseStream.height;
+ newStream.format = baseStream.format;
+ newStream.stride = baseStream.stride;
+ newStream.sourceStreamId = output_stream_id;
+
+ *stream_id = mNextReprocessStreamId;
+ mReprocessStreams.add(mNextReprocessStreamId, newStream);
+
+ ALOGV("Reprocess stream allocated: %d: %d, %d, 0x%x. Parent stream: %d",
+ *stream_id, newStream.width, newStream.height, newStream.format,
+ output_stream_id);
+
+ mNextReprocessStreamId++;
+ return NO_ERROR;
+}
+
+int EmulatedFakeCamera2::releaseReprocessStream(uint32_t stream_id) {
+ Mutex::Autolock l(mMutex);
+
+ ssize_t streamIndex = mReprocessStreams.indexOfKey(stream_id);
+ if (streamIndex < 0) {
+ ALOGE("%s: Unknown reprocess stream id %d!", __FUNCTION__, stream_id);
+ return BAD_VALUE;
+ }
+
+ if (isReprocessStreamInUse(stream_id)) {
+ ALOGE("%s: Cannot release reprocessing stream %d; in use!", __FUNCTION__,
+ stream_id);
+ return BAD_VALUE;
+ }
+
+ mReprocessStreamCount--;
+ mReprocessStreams.removeItemsAt(streamIndex);
+
+ return NO_ERROR;
+}
+
+int EmulatedFakeCamera2::triggerAction(uint32_t trigger_id,
+ int32_t ext1,
+ int32_t ext2) {
+ Mutex::Autolock l(mMutex);
+
+ if (trigger_id == CAMERA2_EXT_TRIGGER_TESTING_DISCONNECT) {
+ ALOGI("%s: Disconnect trigger - camera must be closed", __FUNCTION__);
+ mStatusPresent = false;
+
+ gEmulatedCameraFactory.onStatusChanged(
+ mCameraID,
+ CAMERA_DEVICE_STATUS_NOT_PRESENT);
+ }
+
+ if (!mStatusPresent) {
+ ALOGW("%s: Camera was physically disconnected", __FUNCTION__);
+ return ERROR_CAMERA_NOT_PRESENT;
+ }
+
+ return mControlThread->triggerAction(trigger_id,
+ ext1, ext2);
+}
+
+/** Shutdown and debug methods */
+
+int EmulatedFakeCamera2::dump(int fd) {
+ String8 result;
+
+ result.appendFormat(" Camera HAL device: EmulatedFakeCamera2\n");
+ result.appendFormat(" Streams:\n");
+ for (size_t i = 0; i < mStreams.size(); i++) {
+ int id = mStreams.keyAt(i);
+ const Stream& s = mStreams.valueAt(i);
+ result.appendFormat(
+ " Stream %d: %d x %d, format 0x%x, stride %d\n",
+ id, s.width, s.height, s.format, s.stride);
+ }
+
+ write(fd, result.string(), result.size());
+
+ return NO_ERROR;
+}
+
+void EmulatedFakeCamera2::signalError() {
+ // TODO: Let parent know so we can shut down cleanly
+ ALOGE("Worker thread is signaling a serious error");
+}
+
+/** Pipeline control worker thread methods */
+
+EmulatedFakeCamera2::ConfigureThread::ConfigureThread(EmulatedFakeCamera2 *parent):
+ Thread(false),
+ mParent(parent),
+ mRequestCount(0),
+ mNextBuffers(NULL) {
+ mRunning = false;
+}
+
+EmulatedFakeCamera2::ConfigureThread::~ConfigureThread() {
+}
+
+status_t EmulatedFakeCamera2::ConfigureThread::readyToRun() {
+ Mutex::Autolock lock(mInputMutex);
+
+ ALOGV("Starting up ConfigureThread");
+ mRequest = NULL;
+ mActive = false;
+ mRunning = true;
+
+ mInputSignal.signal();
+ return NO_ERROR;
+}
+
+status_t EmulatedFakeCamera2::ConfigureThread::waitUntilRunning() {
+ Mutex::Autolock lock(mInputMutex);
+ if (!mRunning) {
+ ALOGV("Waiting for configure thread to start");
+ mInputSignal.wait(mInputMutex);
+ }
+ return OK;
+}
+
+status_t EmulatedFakeCamera2::ConfigureThread::newRequestAvailable() {
+ waitUntilRunning();
+
+ Mutex::Autolock lock(mInputMutex);
+
+ mActive = true;
+ mInputSignal.signal();
+
+ return OK;
+}
+
+bool EmulatedFakeCamera2::ConfigureThread::isStreamInUse(uint32_t id) {
+ Mutex::Autolock lock(mInternalsMutex);
+
+ if (mNextBuffers == NULL) return false;
+ for (size_t i=0; i < mNextBuffers->size(); i++) {
+ if ((*mNextBuffers)[i].streamId == (int)id) return true;
+ }
+ return false;
+}
+
+int EmulatedFakeCamera2::ConfigureThread::getInProgressCount() {
+ Mutex::Autolock lock(mInputMutex);
+ return mRequestCount;
+}
+
+bool EmulatedFakeCamera2::ConfigureThread::threadLoop() {
+ status_t res;
+
+ // Check if we're currently processing or just waiting
+ {
+ Mutex::Autolock lock(mInputMutex);
+ if (!mActive) {
+ // Inactive, keep waiting until we've been signaled
+ status_t res;
+ res = mInputSignal.waitRelative(mInputMutex, kWaitPerLoop);
+ if (res != NO_ERROR && res != TIMED_OUT) {
+ ALOGE("%s: Error waiting for input requests: %d",
+ __FUNCTION__, res);
+ return false;
+ }
+ if (!mActive) return true;
+ ALOGV("New request available");
+ }
+ // Active
+ }
+
+ if (mRequest == NULL) {
+ Mutex::Autolock il(mInternalsMutex);
+
+ ALOGV("Configure: Getting next request");
+ res = mParent->mRequestQueueSrc->dequeue_request(
+ mParent->mRequestQueueSrc,
+ &mRequest);
+ if (res != NO_ERROR) {
+ ALOGE("%s: Error dequeuing next request: %d", __FUNCTION__, res);
+ mParent->signalError();
+ return false;
+ }
+ if (mRequest == NULL) {
+ ALOGV("Configure: Request queue empty, going inactive");
+ // No requests available, go into inactive mode
+ Mutex::Autolock lock(mInputMutex);
+ mActive = false;
+ return true;
+ } else {
+ Mutex::Autolock lock(mInputMutex);
+ mRequestCount++;
+ }
+
+ camera_metadata_entry_t type;
+ res = find_camera_metadata_entry(mRequest,
+ ANDROID_REQUEST_TYPE,
+ &type);
+ if (res != NO_ERROR) {
+ ALOGE("%s: error reading request type", __FUNCTION__);
+ mParent->signalError();
+ return false;
+ }
+ bool success = false;;
+ switch (type.data.u8[0]) {
+ case ANDROID_REQUEST_TYPE_CAPTURE:
+ success = setupCapture();
+ break;
+ case ANDROID_REQUEST_TYPE_REPROCESS:
+ success = setupReprocess();
+ break;
+ default:
+ ALOGE("%s: Unexpected request type %d",
+ __FUNCTION__, type.data.u8[0]);
+ mParent->signalError();
+ break;
+ }
+ if (!success) return false;
+
+ }
+
+ if (mWaitingForReadout) {
+ bool readoutDone;
+ readoutDone = mParent->mReadoutThread->waitForReady(kWaitPerLoop);
+ if (!readoutDone) return true;
+
+ if (mNextNeedsJpeg) {
+ ALOGV("Configure: Waiting for JPEG compressor");
+ } else {
+ ALOGV("Configure: Waiting for sensor");
+ }
+ mWaitingForReadout = false;
+ }
+
+ if (mNextNeedsJpeg) {
+ bool jpegDone;
+ jpegDone = mParent->mJpegCompressor->waitForDone(kWaitPerLoop);
+ if (!jpegDone) return true;
+
+ ALOGV("Configure: Waiting for sensor");
+ mNextNeedsJpeg = false;
+ }
+
+ if (mNextIsCapture) {
+ return configureNextCapture();
+ } else {
+ return configureNextReprocess();
+ }
+}
+
+bool EmulatedFakeCamera2::ConfigureThread::setupCapture() {
+ status_t res;
+
+ mNextIsCapture = true;
+ // Get necessary parameters for sensor config
+ mParent->mControlThread->processRequest(mRequest);
+
+ camera_metadata_entry_t streams;
+ res = find_camera_metadata_entry(mRequest,
+ ANDROID_REQUEST_OUTPUT_STREAMS,
+ &streams);
+ if (res != NO_ERROR) {
+ ALOGE("%s: error reading output stream tag", __FUNCTION__);
+ mParent->signalError();
+ return false;
+ }
+
+ mNextBuffers = new Buffers;
+ mNextNeedsJpeg = false;
+ ALOGV("Configure: Setting up buffers for capture");
+ for (size_t i = 0; i < streams.count; i++) {
+ int streamId = streams.data.i32[i];
+ const Stream &s = mParent->getStreamInfo(streamId);
+ if (s.format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) {
+ ALOGE("%s: Stream %d does not have a concrete pixel format, but "
+ "is included in a request!", __FUNCTION__, streamId);
+ mParent->signalError();
+ return false;
+ }
+ StreamBuffer b;
+ b.streamId = streams.data.u8[i];
+ b.width = s.width;
+ b.height = s.height;
+ b.format = s.format;
+ b.stride = s.stride;
+ mNextBuffers->push_back(b);
+ ALOGV("Configure: Buffer %zu: Stream %d, %d x %d, format 0x%x, "
+ "stride %d",
+ i, b.streamId, b.width, b.height, b.format, b.stride);
+ if (b.format == HAL_PIXEL_FORMAT_BLOB) {
+ mNextNeedsJpeg = true;
+ }
+ }
+
+ camera_metadata_entry_t e;
+ res = find_camera_metadata_entry(mRequest,
+ ANDROID_REQUEST_FRAME_COUNT,
+ &e);
+ if (res != NO_ERROR) {
+ ALOGE("%s: error reading frame count tag: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ mParent->signalError();
+ return false;
+ }
+ mNextFrameNumber = *e.data.i32;
+
+ res = find_camera_metadata_entry(mRequest,
+ ANDROID_SENSOR_EXPOSURE_TIME,
+ &e);
+ if (res != NO_ERROR) {
+ ALOGE("%s: error reading exposure time tag: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ mParent->signalError();
+ return false;
+ }
+ mNextExposureTime = *e.data.i64;
+
+ res = find_camera_metadata_entry(mRequest,
+ ANDROID_SENSOR_FRAME_DURATION,
+ &e);
+ if (res != NO_ERROR) {
+ ALOGE("%s: error reading frame duration tag", __FUNCTION__);
+ mParent->signalError();
+ return false;
+ }
+ mNextFrameDuration = *e.data.i64;
+
+ if (mNextFrameDuration <
+ mNextExposureTime + Sensor::kMinVerticalBlank) {
+ mNextFrameDuration = mNextExposureTime + Sensor::kMinVerticalBlank;
+ }
+ res = find_camera_metadata_entry(mRequest,
+ ANDROID_SENSOR_SENSITIVITY,
+ &e);
+ if (res != NO_ERROR) {
+ ALOGE("%s: error reading sensitivity tag", __FUNCTION__);
+ mParent->signalError();
+ return false;
+ }
+ mNextSensitivity = *e.data.i32;
+
+ // Start waiting on readout thread
+ mWaitingForReadout = true;
+ ALOGV("Configure: Waiting for readout thread");
+
+ return true;
+}
+
+bool EmulatedFakeCamera2::ConfigureThread::configureNextCapture() {
+ bool vsync = mParent->mSensor->waitForVSync(kWaitPerLoop);
+ if (!vsync) return true;
+
+ Mutex::Autolock il(mInternalsMutex);
+ ALOGV("Configure: Configuring sensor for capture %d", mNextFrameNumber);
+ mParent->mSensor->setExposureTime(mNextExposureTime);
+ mParent->mSensor->setFrameDuration(mNextFrameDuration);
+ mParent->mSensor->setSensitivity(mNextSensitivity);
+
+ getBuffers();
+
+ ALOGV("Configure: Done configure for capture %d", mNextFrameNumber);
+ mParent->mReadoutThread->setNextOperation(true, mRequest, mNextBuffers);
+ mParent->mSensor->setDestinationBuffers(mNextBuffers);
+
+ mRequest = NULL;
+ mNextBuffers = NULL;
+
+ Mutex::Autolock lock(mInputMutex);
+ mRequestCount--;
+
+ return true;
+}
+
+bool EmulatedFakeCamera2::ConfigureThread::setupReprocess() {
+ status_t res;
+
+ mNextNeedsJpeg = true;
+ mNextIsCapture = false;
+
+ camera_metadata_entry_t reprocessStreams;
+ res = find_camera_metadata_entry(mRequest,
+ ANDROID_REQUEST_INPUT_STREAMS,
+ &reprocessStreams);
+ if (res != NO_ERROR) {
+ ALOGE("%s: error reading output stream tag", __FUNCTION__);
+ mParent->signalError();
+ return false;
+ }
+
+ mNextBuffers = new Buffers;
+
+ ALOGV("Configure: Setting up input buffers for reprocess");
+ for (size_t i = 0; i < reprocessStreams.count; i++) {
+ int streamId = reprocessStreams.data.i32[i];
+ const ReprocessStream &s = mParent->getReprocessStreamInfo(streamId);
+ if (s.format != HAL_PIXEL_FORMAT_RGB_888) {
+ ALOGE("%s: Only ZSL reprocessing supported!",
+ __FUNCTION__);
+ mParent->signalError();
+ return false;
+ }
+ StreamBuffer b;
+ b.streamId = -streamId;
+ b.width = s.width;
+ b.height = s.height;
+ b.format = s.format;
+ b.stride = s.stride;
+ mNextBuffers->push_back(b);
+ }
+
+ camera_metadata_entry_t streams;
+ res = find_camera_metadata_entry(mRequest,
+ ANDROID_REQUEST_OUTPUT_STREAMS,
+ &streams);
+ if (res != NO_ERROR) {
+ ALOGE("%s: error reading output stream tag", __FUNCTION__);
+ mParent->signalError();
+ return false;
+ }
+
+ ALOGV("Configure: Setting up output buffers for reprocess");
+ for (size_t i = 0; i < streams.count; i++) {
+ int streamId = streams.data.i32[i];
+ const Stream &s = mParent->getStreamInfo(streamId);
+ if (s.format != HAL_PIXEL_FORMAT_BLOB) {
+ // TODO: Support reprocess to YUV
+ ALOGE("%s: Non-JPEG output stream %d for reprocess not supported",
+ __FUNCTION__, streamId);
+ mParent->signalError();
+ return false;
+ }
+ StreamBuffer b;
+ b.streamId = streams.data.u8[i];
+ b.width = s.width;
+ b.height = s.height;
+ b.format = s.format;
+ b.stride = s.stride;
+ mNextBuffers->push_back(b);
+ ALOGV("Configure: Buffer %zu: Stream %d, %d x %d, format 0x%x, "
+ "stride %d",
+ i, b.streamId, b.width, b.height, b.format, b.stride);
+ }
+
+ camera_metadata_entry_t e;
+ res = find_camera_metadata_entry(mRequest,
+ ANDROID_REQUEST_FRAME_COUNT,
+ &e);
+ if (res != NO_ERROR) {
+ ALOGE("%s: error reading frame count tag: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ mParent->signalError();
+ return false;
+ }
+ mNextFrameNumber = *e.data.i32;
+
+ return true;
+}
+
+bool EmulatedFakeCamera2::ConfigureThread::configureNextReprocess() {
+ Mutex::Autolock il(mInternalsMutex);
+
+ getBuffers();
+
+ ALOGV("Configure: Done configure for reprocess %d", mNextFrameNumber);
+ mParent->mReadoutThread->setNextOperation(false, mRequest, mNextBuffers);
+
+ mRequest = NULL;
+ mNextBuffers = NULL;
+
+ Mutex::Autolock lock(mInputMutex);
+ mRequestCount--;
+
+ return true;
+}
+
+bool EmulatedFakeCamera2::ConfigureThread::getBuffers() {
+ status_t res;
+ /** Get buffers to fill for this frame */
+ for (size_t i = 0; i < mNextBuffers->size(); i++) {
+ StreamBuffer &b = mNextBuffers->editItemAt(i);
+
+ if (b.streamId > 0) {
+ Stream s = mParent->getStreamInfo(b.streamId);
+ ALOGV("Configure: Dequeing buffer from stream %d", b.streamId);
+ res = s.ops->dequeue_buffer(s.ops, &(b.buffer) );
+ if (res != NO_ERROR || b.buffer == NULL) {
+ ALOGE("%s: Unable to dequeue buffer from stream %d: %s (%d)",
+ __FUNCTION__, b.streamId, strerror(-res), res);
+ mParent->signalError();
+ return false;
+ }
+
+ /* Lock the buffer from the perspective of the graphics mapper */
+ const Rect rect(s.width, s.height);
+
+ res = GraphicBufferMapper::get().lock(*(b.buffer),
+ GRALLOC_USAGE_HW_CAMERA_WRITE,
+ rect, (void**)&(b.img) );
+
+ if (res != NO_ERROR) {
+ ALOGE("%s: grbuffer_mapper.lock failure: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ s.ops->cancel_buffer(s.ops,
+ b.buffer);
+ mParent->signalError();
+ return false;
+ }
+ } else {
+ ReprocessStream s = mParent->getReprocessStreamInfo(-b.streamId);
+ ALOGV("Configure: Acquiring buffer from reprocess stream %d",
+ -b.streamId);
+ res = s.ops->acquire_buffer(s.ops, &(b.buffer) );
+ if (res != NO_ERROR || b.buffer == NULL) {
+ ALOGE("%s: Unable to acquire buffer from reprocess stream %d: "
+ "%s (%d)", __FUNCTION__, -b.streamId,
+ strerror(-res), res);
+ mParent->signalError();
+ return false;
+ }
+
+ /* Lock the buffer from the perspective of the graphics mapper */
+ const Rect rect(s.width, s.height);
+
+ res = GraphicBufferMapper::get().lock(*(b.buffer),
+ GRALLOC_USAGE_HW_CAMERA_READ,
+ rect, (void**)&(b.img) );
+ if (res != NO_ERROR) {
+ ALOGE("%s: grbuffer_mapper.lock failure: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ s.ops->release_buffer(s.ops,
+ b.buffer);
+ mParent->signalError();
+ return false;
+ }
+ }
+ }
+ return true;
+}
+
+EmulatedFakeCamera2::ReadoutThread::ReadoutThread(EmulatedFakeCamera2 *parent):
+ Thread(false),
+ mParent(parent),
+ mRunning(false),
+ mActive(false),
+ mRequestCount(0),
+ mRequest(NULL),
+ mBuffers(NULL) {
+ mInFlightQueue = new InFlightQueue[kInFlightQueueSize];
+ mInFlightHead = 0;
+ mInFlightTail = 0;
+}
+
+EmulatedFakeCamera2::ReadoutThread::~ReadoutThread() {
+ delete mInFlightQueue;
+}
+
+status_t EmulatedFakeCamera2::ReadoutThread::readyToRun() {
+ Mutex::Autolock lock(mInputMutex);
+ ALOGV("Starting up ReadoutThread");
+ mRunning = true;
+ mInputSignal.signal();
+ return NO_ERROR;
+}
+
+status_t EmulatedFakeCamera2::ReadoutThread::waitUntilRunning() {
+ Mutex::Autolock lock(mInputMutex);
+ if (!mRunning) {
+ ALOGV("Waiting for readout thread to start");
+ mInputSignal.wait(mInputMutex);
+ }
+ return OK;
+}
+
+bool EmulatedFakeCamera2::ReadoutThread::waitForReady(nsecs_t timeout) {
+ status_t res;
+ Mutex::Autolock lock(mInputMutex);
+ while (!readyForNextCapture()) {
+ res = mReadySignal.waitRelative(mInputMutex, timeout);
+ if (res == TIMED_OUT) return false;
+ if (res != OK) {
+ ALOGE("%s: Error waiting for ready: %s (%d)", __FUNCTION__,
+ strerror(-res), res);
+ return false;
+ }
+ }
+ return true;
+}
+
+bool EmulatedFakeCamera2::ReadoutThread::readyForNextCapture() {
+ return (mInFlightTail + 1) % kInFlightQueueSize != mInFlightHead;
+}
+
+void EmulatedFakeCamera2::ReadoutThread::setNextOperation(
+ bool isCapture,
+ camera_metadata_t *request,
+ Buffers *buffers) {
+ Mutex::Autolock lock(mInputMutex);
+ if ( !readyForNextCapture() ) {
+ ALOGE("In flight queue full, dropping captures");
+ mParent->signalError();
+ return;
+ }
+ mInFlightQueue[mInFlightTail].isCapture = isCapture;
+ mInFlightQueue[mInFlightTail].request = request;
+ mInFlightQueue[mInFlightTail].buffers = buffers;
+ mInFlightTail = (mInFlightTail + 1) % kInFlightQueueSize;
+ mRequestCount++;
+
+ if (!mActive) {
+ mActive = true;
+ mInputSignal.signal();
+ }
+}
+
+bool EmulatedFakeCamera2::ReadoutThread::isStreamInUse(uint32_t id) {
+ // acquire in same order as threadLoop
+ Mutex::Autolock iLock(mInternalsMutex);
+ Mutex::Autolock lock(mInputMutex);
+
+ size_t i = mInFlightHead;
+ while (i != mInFlightTail) {
+ for (size_t j = 0; j < mInFlightQueue[i].buffers->size(); j++) {
+ if ( (*(mInFlightQueue[i].buffers))[j].streamId == (int)id )
+ return true;
+ }
+ i = (i + 1) % kInFlightQueueSize;
+ }
+
+
+ if (mBuffers != NULL) {
+ for (i = 0; i < mBuffers->size(); i++) {
+ if ( (*mBuffers)[i].streamId == (int)id) return true;
+ }
+ }
+
+ return false;
+}
+
+int EmulatedFakeCamera2::ReadoutThread::getInProgressCount() {
+ Mutex::Autolock lock(mInputMutex);
+
+ return mRequestCount;
+}
+
+bool EmulatedFakeCamera2::ReadoutThread::threadLoop() {
+ static const nsecs_t kWaitPerLoop = 10000000L; // 10 ms
+ status_t res;
+ int32_t frameNumber;
+
+ // Check if we're currently processing or just waiting
+ {
+ Mutex::Autolock lock(mInputMutex);
+ if (!mActive) {
+ // Inactive, keep waiting until we've been signaled
+ res = mInputSignal.waitRelative(mInputMutex, kWaitPerLoop);
+ if (res != NO_ERROR && res != TIMED_OUT) {
+ ALOGE("%s: Error waiting for capture requests: %d",
+ __FUNCTION__, res);
+ mParent->signalError();
+ return false;
+ }
+ if (!mActive) return true;
+ }
+ // Active, see if we need a new request
+ if (mRequest == NULL) {
+ if (mInFlightHead == mInFlightTail) {
+ // Go inactive
+ ALOGV("Waiting for sensor data");
+ mActive = false;
+ return true;
+ } else {
+ Mutex::Autolock iLock(mInternalsMutex);
+ mReadySignal.signal();
+ mIsCapture = mInFlightQueue[mInFlightHead].isCapture;
+ mRequest = mInFlightQueue[mInFlightHead].request;
+ mBuffers = mInFlightQueue[mInFlightHead].buffers;
+ mInFlightQueue[mInFlightHead].request = NULL;
+ mInFlightQueue[mInFlightHead].buffers = NULL;
+ mInFlightHead = (mInFlightHead + 1) % kInFlightQueueSize;
+ ALOGV("Ready to read out request %p, %zu buffers",
+ mRequest, mBuffers->size());
+ }
+ }
+ }
+
+ // Active with request, wait on sensor to complete
+
+ nsecs_t captureTime;
+
+ if (mIsCapture) {
+ bool gotFrame;
+ gotFrame = mParent->mSensor->waitForNewFrame(kWaitPerLoop,
+ &captureTime);
+
+ if (!gotFrame) return true;
+ }
+
+ Mutex::Autolock iLock(mInternalsMutex);
+
+ camera_metadata_entry_t entry;
+ if (!mIsCapture) {
+ res = find_camera_metadata_entry(mRequest,
+ ANDROID_SENSOR_TIMESTAMP,
+ &entry);
+ if (res != NO_ERROR) {
+ ALOGE("%s: error reading reprocessing timestamp: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ mParent->signalError();
+ return false;
+ }
+ captureTime = entry.data.i64[0];
+ }
+
+ res = find_camera_metadata_entry(mRequest,
+ ANDROID_REQUEST_FRAME_COUNT,
+ &entry);
+ if (res != NO_ERROR) {
+ ALOGE("%s: error reading frame count tag: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ mParent->signalError();
+ return false;
+ }
+ frameNumber = *entry.data.i32;
+
+ res = find_camera_metadata_entry(mRequest,
+ ANDROID_REQUEST_METADATA_MODE,
+ &entry);
+ if (res != NO_ERROR) {
+ ALOGE("%s: error reading metadata mode tag: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ mParent->signalError();
+ return false;
+ }
+
+ // Got sensor data and request, construct frame and send it out
+ ALOGV("Readout: Constructing metadata and frames for request %d",
+ frameNumber);
+
+ if (*entry.data.u8 == ANDROID_REQUEST_METADATA_MODE_FULL) {
+ ALOGV("Readout: Metadata requested, constructing");
+
+ camera_metadata_t *frame = NULL;
+
+ size_t frame_entries = get_camera_metadata_entry_count(mRequest);
+ size_t frame_data = get_camera_metadata_data_count(mRequest);
+
+ // TODO: Dynamically calculate based on enabled statistics, etc
+ frame_entries += 10;
+ frame_data += 100;
+
+ res = mParent->mFrameQueueDst->dequeue_frame(mParent->mFrameQueueDst,
+ frame_entries, frame_data, &frame);
+
+ if (res != NO_ERROR || frame == NULL) {
+ ALOGE("%s: Unable to dequeue frame metadata buffer", __FUNCTION__);
+ mParent->signalError();
+ return false;
+ }
+
+ res = append_camera_metadata(frame, mRequest);
+ if (res != NO_ERROR) {
+ ALOGE("Unable to append request metadata");
+ }
+
+ if (mIsCapture) {
+ add_camera_metadata_entry(frame,
+ ANDROID_SENSOR_TIMESTAMP,
+ &captureTime,
+ 1);
+
+ collectStatisticsMetadata(frame);
+ // TODO: Collect all final values used from sensor in addition to timestamp
+ }
+
+ ALOGV("Readout: Enqueue frame %d", frameNumber);
+ mParent->mFrameQueueDst->enqueue_frame(mParent->mFrameQueueDst,
+ frame);
+ }
+ ALOGV("Readout: Free request");
+ res = mParent->mRequestQueueSrc->free_request(mParent->mRequestQueueSrc, mRequest);
+ if (res != NO_ERROR) {
+ ALOGE("%s: Unable to return request buffer to queue: %d",
+ __FUNCTION__, res);
+ mParent->signalError();
+ return false;
+ }
+ mRequest = NULL;
+
+ int compressedBufferIndex = -1;
+ ALOGV("Readout: Processing %zu buffers", mBuffers->size());
+ for (size_t i = 0; i < mBuffers->size(); i++) {
+ const StreamBuffer &b = (*mBuffers)[i];
+ ALOGV("Readout: Buffer %zu: Stream %d, %d x %d, format 0x%x, stride %d",
+ i, b.streamId, b.width, b.height, b.format, b.stride);
+ if (b.streamId > 0) {
+ if (b.format == HAL_PIXEL_FORMAT_BLOB) {
+ // Assumes only one BLOB buffer type per capture
+ compressedBufferIndex = i;
+ } else {
+ ALOGV("Readout: Sending image buffer %zu (%p) to output stream %d",
+ i, (void*)*(b.buffer), b.streamId);
+ GraphicBufferMapper::get().unlock(*(b.buffer));
+ const Stream &s = mParent->getStreamInfo(b.streamId);
+ res = s.ops->enqueue_buffer(s.ops, captureTime, b.buffer);
+ if (res != OK) {
+ ALOGE("Error enqueuing image buffer %p: %s (%d)", b.buffer,
+ strerror(-res), res);
+ mParent->signalError();
+ }
+ }
+ }
+ }
+
+ if (compressedBufferIndex == -1) {
+ delete mBuffers;
+ } else {
+ ALOGV("Readout: Starting JPEG compression for buffer %d, stream %d",
+ compressedBufferIndex,
+ (*mBuffers)[compressedBufferIndex].streamId);
+ mJpegTimestamp = captureTime;
+ // Takes ownership of mBuffers
+ mParent->mJpegCompressor->start(mBuffers, this);
+ }
+ mBuffers = NULL;
+
+ Mutex::Autolock l(mInputMutex);
+ mRequestCount--;
+ ALOGV("Readout: Done with request %d", frameNumber);
+ return true;
+}
+
+void EmulatedFakeCamera2::ReadoutThread::onJpegDone(
+ const StreamBuffer &jpegBuffer, bool success) {
+ status_t res;
+ if (!success) {
+ ALOGE("%s: Error queueing compressed image buffer %p",
+ __FUNCTION__, jpegBuffer.buffer);
+ mParent->signalError();
+ return;
+ }
+
+ // Write to JPEG output stream
+ ALOGV("%s: Compression complete, pushing to stream %d", __FUNCTION__,
+ jpegBuffer.streamId);
+
+ GraphicBufferMapper::get().unlock(*(jpegBuffer.buffer));
+ const Stream &s = mParent->getStreamInfo(jpegBuffer.streamId);
+ res = s.ops->enqueue_buffer(s.ops, mJpegTimestamp, jpegBuffer.buffer);
+}
+
+void EmulatedFakeCamera2::ReadoutThread::onJpegInputDone(
+ const StreamBuffer &inputBuffer) {
+ status_t res;
+ GraphicBufferMapper::get().unlock(*(inputBuffer.buffer));
+ const ReprocessStream &s =
+ mParent->getReprocessStreamInfo(-inputBuffer.streamId);
+ res = s.ops->release_buffer(s.ops, inputBuffer.buffer);
+ if (res != OK) {
+ ALOGE("Error releasing reprocess buffer %p: %s (%d)",
+ inputBuffer.buffer, strerror(-res), res);
+ mParent->signalError();
+ }
+}
+
+status_t EmulatedFakeCamera2::ReadoutThread::collectStatisticsMetadata(
+ camera_metadata_t *frame) {
+ // Completely fake face rectangles, don't correspond to real faces in scene
+ ALOGV("Readout: Collecting statistics metadata");
+
+ status_t res;
+ camera_metadata_entry_t entry;
+ res = find_camera_metadata_entry(frame,
+ ANDROID_STATISTICS_FACE_DETECT_MODE,
+ &entry);
+ if (res != OK) {
+ ALOGE("%s: Unable to find face detect mode!", __FUNCTION__);
+ return BAD_VALUE;
+ }
+
+ if (entry.data.u8[0] == ANDROID_STATISTICS_FACE_DETECT_MODE_OFF) return OK;
+
+ // The coordinate system for the face regions is the raw sensor pixel
+ // coordinates. Here, we map from the scene coordinates (0-19 in both axis)
+ // to raw pixels, for the scene defined in fake-pipeline2/Scene.cpp. We
+ // approximately place two faces on top of the windows of the house. No
+ // actual faces exist there, but might one day. Note that this doesn't
+ // account for the offsets used to account for aspect ratio differences, so
+ // the rectangles don't line up quite right.
+ const size_t numFaces = 2;
+ int32_t rects[numFaces * 4] = {
+ static_cast<int32_t>(Sensor::kResolution[0] * 10 / 20),
+ static_cast<int32_t>(Sensor::kResolution[1] * 15 / 20),
+ static_cast<int32_t>(Sensor::kResolution[0] * 12 / 20),
+ static_cast<int32_t>(Sensor::kResolution[1] * 17 / 20),
+
+ static_cast<int32_t>(Sensor::kResolution[0] * 16 / 20),
+ static_cast<int32_t>(Sensor::kResolution[1] * 15 / 20),
+ static_cast<int32_t>(Sensor::kResolution[0] * 18 / 20),
+ static_cast<int32_t>(Sensor::kResolution[1] * 17 / 20)
+ };
+ // To simulate some kind of real detection going on, we jitter the rectangles on
+ // each frame by a few pixels in each dimension.
+ for (size_t i = 0; i < numFaces * 4; i++) {
+ rects[i] += (int32_t)(((float)rand() / RAND_MAX) * 6 - 3);
+ }
+ // The confidence scores (0-100) are similarly jittered.
+ uint8_t scores[numFaces] = { 85, 95 };
+ for (size_t i = 0; i < numFaces; i++) {
+ scores[i] += (int32_t)(((float)rand() / RAND_MAX) * 10 - 5);
+ }
+
+ res = add_camera_metadata_entry(frame, ANDROID_STATISTICS_FACE_RECTANGLES,
+ rects, numFaces * 4);
+ if (res != OK) {
+ ALOGE("%s: Unable to add face rectangles!", __FUNCTION__);
+ return BAD_VALUE;
+ }
+
+ res = add_camera_metadata_entry(frame, ANDROID_STATISTICS_FACE_SCORES,
+ scores, numFaces);
+ if (res != OK) {
+ ALOGE("%s: Unable to add face scores!", __FUNCTION__);
+ return BAD_VALUE;
+ }
+
+ if (entry.data.u8[0] == ANDROID_STATISTICS_FACE_DETECT_MODE_SIMPLE) return OK;
+
+ // Advanced face detection options - add eye/mouth coordinates. The
+ // coordinates in order are (leftEyeX, leftEyeY, rightEyeX, rightEyeY,
+ // mouthX, mouthY). The mapping is the same as the face rectangles.
+ int32_t features[numFaces * 6] = {
+ static_cast<int32_t>(Sensor::kResolution[0] * 10.5 / 20),
+ static_cast<int32_t>(Sensor::kResolution[1] * 16 / 20),
+ static_cast<int32_t>(Sensor::kResolution[0] * 11.5 / 20),
+ static_cast<int32_t>(Sensor::kResolution[1] * 16 / 20),
+ static_cast<int32_t>(Sensor::kResolution[0] * 11 / 20),
+ static_cast<int32_t>(Sensor::kResolution[1] * 16.5 / 20),
+
+ static_cast<int32_t>(Sensor::kResolution[0] * 16.5 / 20),
+ static_cast<int32_t>(Sensor::kResolution[1] * 16 / 20),
+ static_cast<int32_t>(Sensor::kResolution[0] * 17.5 / 20),
+ static_cast<int32_t>(Sensor::kResolution[1] * 16 / 20),
+ static_cast<int32_t>(Sensor::kResolution[0] * 17 / 20),
+ static_cast<int32_t>(Sensor::kResolution[1] * 16.5 / 20),
+ };
+ // Jitter these a bit less than the rects
+ for (size_t i = 0; i < numFaces * 6; i++) {
+ features[i] += (int32_t)(((float)rand() / RAND_MAX) * 4 - 2);
+ }
+ // These are unique IDs that are used to identify each face while it's
+ // visible to the detector (if a face went away and came back, it'd get a
+ // new ID).
+ int32_t ids[numFaces] = {
+ 100, 200
+ };
+
+ res = add_camera_metadata_entry(frame, ANDROID_STATISTICS_FACE_LANDMARKS,
+ features, numFaces * 6);
+ if (res != OK) {
+ ALOGE("%s: Unable to add face landmarks!", __FUNCTION__);
+ return BAD_VALUE;
+ }
+
+ res = add_camera_metadata_entry(frame, ANDROID_STATISTICS_FACE_IDS,
+ ids, numFaces);
+ if (res != OK) {
+ ALOGE("%s: Unable to add face scores!", __FUNCTION__);
+ return BAD_VALUE;
+ }
+
+ return OK;
+}
+
+EmulatedFakeCamera2::ControlThread::ControlThread(EmulatedFakeCamera2 *parent):
+ Thread(false),
+ mParent(parent) {
+ mRunning = false;
+}
+
+EmulatedFakeCamera2::ControlThread::~ControlThread() {
+}
+
+status_t EmulatedFakeCamera2::ControlThread::readyToRun() {
+ Mutex::Autolock lock(mInputMutex);
+
+ ALOGV("Starting up ControlThread");
+ mRunning = true;
+ mStartAf = false;
+ mCancelAf = false;
+ mStartPrecapture = false;
+
+ mControlMode = ANDROID_CONTROL_MODE_AUTO;
+
+ mEffectMode = ANDROID_CONTROL_EFFECT_MODE_OFF;
+ mSceneMode = ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY;
+
+ mAfMode = ANDROID_CONTROL_AF_MODE_AUTO;
+ mAfModeChange = false;
+
+ mAeMode = ANDROID_CONTROL_AE_MODE_ON;
+ mAwbMode = ANDROID_CONTROL_AWB_MODE_AUTO;
+
+ mAfTriggerId = 0;
+ mPrecaptureTriggerId = 0;
+
+ mAfState = ANDROID_CONTROL_AF_STATE_INACTIVE;
+ mAeState = ANDROID_CONTROL_AE_STATE_INACTIVE;
+ mAwbState = ANDROID_CONTROL_AWB_STATE_INACTIVE;
+
+ mExposureTime = kNormalExposureTime;
+
+ mInputSignal.signal();
+ return NO_ERROR;
+}
+
+status_t EmulatedFakeCamera2::ControlThread::waitUntilRunning() {
+ Mutex::Autolock lock(mInputMutex);
+ if (!mRunning) {
+ ALOGV("Waiting for control thread to start");
+ mInputSignal.wait(mInputMutex);
+ }
+ return OK;
+}
+
+// Override android.control.* fields with 3A values before sending request to sensor
+status_t EmulatedFakeCamera2::ControlThread::processRequest(camera_metadata_t *request) {
+ Mutex::Autolock lock(mInputMutex);
+ // TODO: Add handling for all android.control.* fields here
+ camera_metadata_entry_t mode;
+ status_t res;
+
+#define READ_IF_OK(res, what, def) \
+ (((res) == OK) ? (what) : (uint8_t)(def))
+
+ res = find_camera_metadata_entry(request,
+ ANDROID_CONTROL_MODE,
+ &mode);
+ mControlMode = READ_IF_OK(res, mode.data.u8[0], ANDROID_CONTROL_MODE_OFF);
+
+ // disable all 3A
+ if (mControlMode == ANDROID_CONTROL_MODE_OFF) {
+ mEffectMode = ANDROID_CONTROL_EFFECT_MODE_OFF;
+ mSceneMode = ANDROID_CONTROL_SCENE_MODE_DISABLED;
+ mAfMode = ANDROID_CONTROL_AF_MODE_OFF;
+ mAeLock = ANDROID_CONTROL_AE_LOCK_ON;
+ mAeMode = ANDROID_CONTROL_AE_MODE_OFF;
+ mAfModeChange = true;
+ mStartAf = false;
+ mCancelAf = true;
+ mAeState = ANDROID_CONTROL_AE_STATE_INACTIVE;
+ mAwbMode = ANDROID_CONTROL_AWB_MODE_OFF;
+ return res;
+ }
+
+ res = find_camera_metadata_entry(request,
+ ANDROID_CONTROL_EFFECT_MODE,
+ &mode);
+ mEffectMode = READ_IF_OK(res, mode.data.u8[0],
+ ANDROID_CONTROL_EFFECT_MODE_OFF);
+
+ res = find_camera_metadata_entry(request,
+ ANDROID_CONTROL_SCENE_MODE,
+ &mode);
+ mSceneMode = READ_IF_OK(res, mode.data.u8[0],
+ ANDROID_CONTROL_SCENE_MODE_DISABLED);
+
+ res = find_camera_metadata_entry(request,
+ ANDROID_CONTROL_AF_MODE,
+ &mode);
+ if (mAfMode != mode.data.u8[0]) {
+ ALOGV("AF new mode: %d, old mode %d", mode.data.u8[0], mAfMode);
+ mAfMode = mode.data.u8[0];
+ mAfModeChange = true;
+ mStartAf = false;
+ mCancelAf = false;
+ }
+
+ res = find_camera_metadata_entry(request,
+ ANDROID_CONTROL_AE_MODE,
+ &mode);
+ mAeMode = READ_IF_OK(res, mode.data.u8[0],
+ ANDROID_CONTROL_AE_MODE_OFF);
+
+ res = find_camera_metadata_entry(request,
+ ANDROID_CONTROL_AE_LOCK,
+ &mode);
+ uint8_t aeLockVal = READ_IF_OK(res, mode.data.u8[0],
+ ANDROID_CONTROL_AE_LOCK_ON);
+ bool aeLock = (aeLockVal == ANDROID_CONTROL_AE_LOCK_ON);
+ if (mAeLock && !aeLock) {
+ mAeState = ANDROID_CONTROL_AE_STATE_INACTIVE;
+ }
+ mAeLock = aeLock;
+
+ res = find_camera_metadata_entry(request,
+ ANDROID_CONTROL_AWB_MODE,
+ &mode);
+ mAwbMode = READ_IF_OK(res, mode.data.u8[0],
+ ANDROID_CONTROL_AWB_MODE_OFF);
+
+ // TODO: Override more control fields
+
+ if (mAeMode != ANDROID_CONTROL_AE_MODE_OFF) {
+ camera_metadata_entry_t exposureTime;
+ res = find_camera_metadata_entry(request,
+ ANDROID_SENSOR_EXPOSURE_TIME,
+ &exposureTime);
+ if (res == OK) {
+ exposureTime.data.i64[0] = mExposureTime;
+ }
+ }
+
+#undef READ_IF_OK
+
+ return OK;
+}
+
+status_t EmulatedFakeCamera2::ControlThread::triggerAction(uint32_t msgType,
+ int32_t ext1, int32_t ext2) {
+ ALOGV("%s: Triggering %d (%d, %d)", __FUNCTION__, msgType, ext1, ext2);
+ Mutex::Autolock lock(mInputMutex);
+ switch (msgType) {
+ case CAMERA2_TRIGGER_AUTOFOCUS:
+ mAfTriggerId = ext1;
+ mStartAf = true;
+ mCancelAf = false;
+ break;
+ case CAMERA2_TRIGGER_CANCEL_AUTOFOCUS:
+ mAfTriggerId = ext1;
+ mStartAf = false;
+ mCancelAf = true;
+ break;
+ case CAMERA2_TRIGGER_PRECAPTURE_METERING:
+ mPrecaptureTriggerId = ext1;
+ mStartPrecapture = true;
+ break;
+ default:
+ ALOGE("%s: Unknown action triggered: %d (arguments %d %d)",
+ __FUNCTION__, msgType, ext1, ext2);
+ return BAD_VALUE;
+ }
+ return OK;
+}
+
+const nsecs_t EmulatedFakeCamera2::ControlThread::kControlCycleDelay = 100 * MSEC;
+const nsecs_t EmulatedFakeCamera2::ControlThread::kMinAfDuration = 500 * MSEC;
+const nsecs_t EmulatedFakeCamera2::ControlThread::kMaxAfDuration = 900 * MSEC;
+const float EmulatedFakeCamera2::ControlThread::kAfSuccessRate = 0.9;
+ // Once every 5 seconds
+const float EmulatedFakeCamera2::ControlThread::kContinuousAfStartRate =
+ kControlCycleDelay / 5.0 * SEC;
+const nsecs_t EmulatedFakeCamera2::ControlThread::kMinAeDuration = 500 * MSEC;
+const nsecs_t EmulatedFakeCamera2::ControlThread::kMaxAeDuration = 2 * SEC;
+const nsecs_t EmulatedFakeCamera2::ControlThread::kMinPrecaptureAeDuration = 100 * MSEC;
+const nsecs_t EmulatedFakeCamera2::ControlThread::kMaxPrecaptureAeDuration = 400 * MSEC;
+ // Once every 3 seconds
+const float EmulatedFakeCamera2::ControlThread::kAeScanStartRate =
+ kControlCycleDelay / 3000000000.0;
+
+const nsecs_t EmulatedFakeCamera2::ControlThread::kNormalExposureTime = 10 * MSEC;
+const nsecs_t EmulatedFakeCamera2::ControlThread::kExposureJump = 2 * MSEC;
+const nsecs_t EmulatedFakeCamera2::ControlThread::kMinExposureTime = 1 * MSEC;
+
+bool EmulatedFakeCamera2::ControlThread::threadLoop() {
+ bool afModeChange = false;
+ bool afTriggered = false;
+ bool afCancelled = false;
+ uint8_t afState;
+ uint8_t afMode;
+ int32_t afTriggerId;
+ bool precaptureTriggered = false;
+ uint8_t aeState;
+ uint8_t aeMode;
+ bool aeLock;
+ int32_t precaptureTriggerId;
+ nsecs_t nextSleep = kControlCycleDelay;
+
+ {
+ Mutex::Autolock lock(mInputMutex);
+ if (mStartAf) {
+ ALOGD("Starting AF trigger processing");
+ afTriggered = true;
+ mStartAf = false;
+ } else if (mCancelAf) {
+ ALOGD("Starting cancel AF trigger processing");
+ afCancelled = true;
+ mCancelAf = false;
+ }
+ afState = mAfState;
+ afMode = mAfMode;
+ afModeChange = mAfModeChange;
+ mAfModeChange = false;
+
+ afTriggerId = mAfTriggerId;
+
+ if(mStartPrecapture) {
+ ALOGD("Starting precapture trigger processing");
+ precaptureTriggered = true;
+ mStartPrecapture = false;
+ }
+ aeState = mAeState;
+ aeMode = mAeMode;
+ aeLock = mAeLock;
+ precaptureTriggerId = mPrecaptureTriggerId;
+ }
+
+ if (afCancelled || afModeChange) {
+ ALOGV("Resetting AF state due to cancel/mode change");
+ afState = ANDROID_CONTROL_AF_STATE_INACTIVE;
+ updateAfState(afState, afTriggerId);
+ mAfScanDuration = 0;
+ mLockAfterPassiveScan = false;
+ }
+
+ uint8_t oldAfState = afState;
+
+ if (afTriggered) {
+ afState = processAfTrigger(afMode, afState);
+ }
+
+ afState = maybeStartAfScan(afMode, afState);
+ afState = updateAfScan(afMode, afState, &nextSleep);
+ updateAfState(afState, afTriggerId);
+
+ if (precaptureTriggered) {
+ aeState = processPrecaptureTrigger(aeMode, aeState);
+ }
+
+ aeState = maybeStartAeScan(aeMode, aeLock, aeState);
+ aeState = updateAeScan(aeMode, aeLock, aeState, &nextSleep);
+ updateAeState(aeState, precaptureTriggerId);
+
+ int ret;
+ timespec t;
+ t.tv_sec = 0;
+ t.tv_nsec = nextSleep;
+ do {
+ ret = nanosleep(&t, &t);
+ } while (ret != 0);
+
+ if (mAfScanDuration > 0) {
+ mAfScanDuration -= nextSleep;
+ }
+ if (mAeScanDuration > 0) {
+ mAeScanDuration -= nextSleep;
+ }
+
+ return true;
+}
+
+int EmulatedFakeCamera2::ControlThread::processAfTrigger(uint8_t afMode,
+ uint8_t afState) {
+ switch (afMode) {
+ case ANDROID_CONTROL_AF_MODE_OFF:
+ case ANDROID_CONTROL_AF_MODE_EDOF:
+ // Do nothing
+ break;
+ case ANDROID_CONTROL_AF_MODE_MACRO:
+ case ANDROID_CONTROL_AF_MODE_AUTO:
+ switch (afState) {
+ case ANDROID_CONTROL_AF_STATE_INACTIVE:
+ case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED:
+ case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED:
+ // Start new focusing cycle
+ mAfScanDuration = ((double)rand() / RAND_MAX) *
+ (kMaxAfDuration - kMinAfDuration) + kMinAfDuration;
+ afState = ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN;
+ ALOGV("%s: AF scan start, duration %" PRId64 " ms",
+ __FUNCTION__, mAfScanDuration / 1000000);
+ break;
+ case ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN:
+ // Ignore new request, already scanning
+ break;
+ default:
+ ALOGE("Unexpected AF state in AUTO/MACRO AF mode: %d",
+ afState);
+ }
+ break;
+ case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE:
+ switch (afState) {
+ // Picture mode waits for passive scan to complete
+ case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN:
+ mLockAfterPassiveScan = true;
+ break;
+ case ANDROID_CONTROL_AF_STATE_INACTIVE:
+ afState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED;
+ break;
+ case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED:
+ afState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED;
+ break;
+ case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED:
+ case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED:
+ // Must cancel to get out of these states
+ break;
+ default:
+ ALOGE("Unexpected AF state in CONTINUOUS_PICTURE AF mode: %d",
+ afState);
+ }
+ break;
+ case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO:
+ switch (afState) {
+ // Video mode does not wait for passive scan to complete
+ case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN:
+ case ANDROID_CONTROL_AF_STATE_INACTIVE:
+ afState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED;
+ break;
+ case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED:
+ afState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED;
+ break;
+ case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED:
+ case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED:
+ // Must cancel to get out of these states
+ break;
+ default:
+ ALOGE("Unexpected AF state in CONTINUOUS_VIDEO AF mode: %d",
+ afState);
+ }
+ break;
+ default:
+ break;
+ }
+ return afState;
+}
+
+int EmulatedFakeCamera2::ControlThread::maybeStartAfScan(uint8_t afMode,
+ uint8_t afState) {
+ if ((afMode == ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO ||
+ afMode == ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE) &&
+ (afState == ANDROID_CONTROL_AF_STATE_INACTIVE ||
+ afState == ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED)) {
+
+ bool startScan = ((double)rand() / RAND_MAX) < kContinuousAfStartRate;
+ if (startScan) {
+ // Start new passive focusing cycle
+ mAfScanDuration = ((double)rand() / RAND_MAX) *
+ (kMaxAfDuration - kMinAfDuration) + kMinAfDuration;
+ afState = ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN;
+ ALOGV("%s: AF passive scan start, duration %" PRId64 " ms",
+ __FUNCTION__, mAfScanDuration / 1000000);
+ }
+ }
+ return afState;
+}
+
+int EmulatedFakeCamera2::ControlThread::updateAfScan(uint8_t afMode,
+ uint8_t afState, nsecs_t *maxSleep) {
+ if (! (afState == ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN ||
+ afState == ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN ) ) {
+ return afState;
+ }
+
+ if (mAfScanDuration <= 0) {
+ ALOGV("%s: AF scan done", __FUNCTION__);
+ switch (afMode) {
+ case ANDROID_CONTROL_AF_MODE_MACRO:
+ case ANDROID_CONTROL_AF_MODE_AUTO: {
+ bool success = ((double)rand() / RAND_MAX) < kAfSuccessRate;
+ if (success) {
+ afState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED;
+ } else {
+ afState = ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED;
+ }
+ break;
+ }
+ case ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE:
+ if (mLockAfterPassiveScan) {
+ afState = ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED;
+ mLockAfterPassiveScan = false;
+ } else {
+ afState = ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED;
+ }
+ break;
+ case ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO:
+ afState = ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED;
+ break;
+ default:
+ ALOGE("Unexpected AF mode in scan state");
+ }
+ } else {
+ if (mAfScanDuration <= *maxSleep) {
+ *maxSleep = mAfScanDuration;
+ }
+ }
+ return afState;
+}
+
+void EmulatedFakeCamera2::ControlThread::updateAfState(uint8_t newState,
+ int32_t triggerId) {
+ Mutex::Autolock lock(mInputMutex);
+ if (mAfState != newState) {
+ ALOGV("%s: Autofocus state now %d, id %d", __FUNCTION__,
+ newState, triggerId);
+ mAfState = newState;
+ mParent->sendNotification(CAMERA2_MSG_AUTOFOCUS,
+ newState, triggerId, 0);
+ }
+}
+
+int EmulatedFakeCamera2::ControlThread::processPrecaptureTrigger(uint8_t aeMode,
+ uint8_t aeState) {
+ switch (aeMode) {
+ case ANDROID_CONTROL_AE_MODE_OFF:
+ // Don't do anything for these
+ return aeState;
+ case ANDROID_CONTROL_AE_MODE_ON:
+ case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH:
+ case ANDROID_CONTROL_AE_MODE_ON_ALWAYS_FLASH:
+ case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE:
+ // Trigger a precapture cycle
+ aeState = ANDROID_CONTROL_AE_STATE_PRECAPTURE;
+ mAeScanDuration = ((double)rand() / RAND_MAX) *
+ (kMaxPrecaptureAeDuration - kMinPrecaptureAeDuration) +
+ kMinPrecaptureAeDuration;
+ ALOGD("%s: AE precapture scan start, duration %" PRId64 " ms",
+ __FUNCTION__, mAeScanDuration / 1000000);
+
+ }
+ return aeState;
+}
+
+int EmulatedFakeCamera2::ControlThread::maybeStartAeScan(uint8_t aeMode,
+ bool aeLocked,
+ uint8_t aeState) {
+ if (aeLocked) return aeState;
+ switch (aeMode) {
+ case ANDROID_CONTROL_AE_MODE_OFF:
+ break;
+ case ANDROID_CONTROL_AE_MODE_ON:
+ case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH:
+ case ANDROID_CONTROL_AE_MODE_ON_ALWAYS_FLASH:
+ case ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE: {
+ if (aeState != ANDROID_CONTROL_AE_STATE_INACTIVE &&
+ aeState != ANDROID_CONTROL_AE_STATE_CONVERGED) break;
+
+ bool startScan = ((double)rand() / RAND_MAX) < kAeScanStartRate;
+ if (startScan) {
+ mAeScanDuration = ((double)rand() / RAND_MAX) *
+ (kMaxAeDuration - kMinAeDuration) + kMinAeDuration;
+ aeState = ANDROID_CONTROL_AE_STATE_SEARCHING;
+ ALOGV("%s: AE scan start, duration %" PRId64 " ms",
+ __FUNCTION__, mAeScanDuration / 1000000);
+ }
+ }
+ }
+
+ return aeState;
+}
+
+int EmulatedFakeCamera2::ControlThread::updateAeScan(uint8_t aeMode,
+ bool aeLock, uint8_t aeState, nsecs_t *maxSleep) {
+ if (aeLock && aeState != ANDROID_CONTROL_AE_STATE_PRECAPTURE) {
+ mAeScanDuration = 0;
+ aeState = ANDROID_CONTROL_AE_STATE_LOCKED;
+ } else if ((aeState == ANDROID_CONTROL_AE_STATE_SEARCHING) ||
+ (aeState == ANDROID_CONTROL_AE_STATE_PRECAPTURE ) ) {
+ if (mAeScanDuration <= 0) {
+ ALOGV("%s: AE scan done", __FUNCTION__);
+ aeState = aeLock ?
+ ANDROID_CONTROL_AE_STATE_LOCKED :ANDROID_CONTROL_AE_STATE_CONVERGED;
+
+ Mutex::Autolock lock(mInputMutex);
+ mExposureTime = kNormalExposureTime;
+ } else {
+ if (mAeScanDuration <= *maxSleep) {
+ *maxSleep = mAeScanDuration;
+ }
+
+ int64_t exposureDelta =
+ ((double)rand() / RAND_MAX) * 2 * kExposureJump -
+ kExposureJump;
+ Mutex::Autolock lock(mInputMutex);
+ mExposureTime = mExposureTime + exposureDelta;
+ if (mExposureTime < kMinExposureTime) mExposureTime = kMinExposureTime;
+ }
+ }
+
+ return aeState;
+}
+
+
+void EmulatedFakeCamera2::ControlThread::updateAeState(uint8_t newState,
+ int32_t triggerId) {
+ Mutex::Autolock lock(mInputMutex);
+ if (mAeState != newState) {
+ ALOGV("%s: Autoexposure state now %d, id %d", __FUNCTION__,
+ newState, triggerId);
+ mAeState = newState;
+ mParent->sendNotification(CAMERA2_MSG_AUTOEXPOSURE,
+ newState, triggerId, 0);
+ }
+}
+
+/** Private methods */
+
+status_t EmulatedFakeCamera2::constructStaticInfo(
+ camera_metadata_t **info,
+ bool sizeRequest) const {
+
+ size_t entryCount = 0;
+ size_t dataCount = 0;
+ status_t ret;
+
+#define ADD_OR_SIZE( tag, data, count ) \
+ if ( ( ret = addOrSize(*info, sizeRequest, &entryCount, &dataCount, \
+ tag, data, count) ) != OK ) return ret
+
+ // android.lens
+
+ // 5 cm min focus distance for back camera, infinity (fixed focus) for front
+ const float minFocusDistance = mFacingBack ? 1.0/0.05 : 0.0;
+ ADD_OR_SIZE(ANDROID_LENS_INFO_MINIMUM_FOCUS_DISTANCE,
+ &minFocusDistance, 1);
+ // 5 m hyperfocal distance for back camera, infinity (fixed focus) for front
+ const float hyperFocalDistance = mFacingBack ? 1.0/5.0 : 0.0;
+ ADD_OR_SIZE(ANDROID_LENS_INFO_HYPERFOCAL_DISTANCE,
+ &minFocusDistance, 1);
+
+ static const float focalLength = 3.30f; // mm
+ ADD_OR_SIZE(ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS,
+ &focalLength, 1);
+ static const float aperture = 2.8f;
+ ADD_OR_SIZE(ANDROID_LENS_INFO_AVAILABLE_APERTURES,
+ &aperture, 1);
+ static const float filterDensity = 0;
+ ADD_OR_SIZE(ANDROID_LENS_INFO_AVAILABLE_FILTER_DENSITIES,
+ &filterDensity, 1);
+ static const uint8_t availableOpticalStabilization =
+ ANDROID_LENS_OPTICAL_STABILIZATION_MODE_OFF;
+ ADD_OR_SIZE(ANDROID_LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION,
+ &availableOpticalStabilization, 1);
+
+ static const int32_t lensShadingMapSize[] = {1, 1};
+ ADD_OR_SIZE(ANDROID_LENS_INFO_SHADING_MAP_SIZE, lensShadingMapSize,
+ sizeof(lensShadingMapSize)/sizeof(int32_t));
+
+ int32_t lensFacing = mFacingBack ?
+ ANDROID_LENS_FACING_BACK : ANDROID_LENS_FACING_FRONT;
+ ADD_OR_SIZE(ANDROID_LENS_FACING, &lensFacing, 1);
+
+ // android.sensor
+
+ ADD_OR_SIZE(ANDROID_SENSOR_INFO_EXPOSURE_TIME_RANGE,
+ Sensor::kExposureTimeRange, 2);
+
+ ADD_OR_SIZE(ANDROID_SENSOR_INFO_MAX_FRAME_DURATION,
+ &Sensor::kFrameDurationRange[1], 1);
+
+ ADD_OR_SIZE(ANDROID_SENSOR_INFO_SENSITIVITY_RANGE,
+ Sensor::kSensitivityRange,
+ sizeof(Sensor::kSensitivityRange)
+ /sizeof(int32_t));
+
+ ADD_OR_SIZE(ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT,
+ &Sensor::kColorFilterArrangement, 1);
+
+ static const float sensorPhysicalSize[2] = {3.20f, 2.40f}; // mm
+ ADD_OR_SIZE(ANDROID_SENSOR_INFO_PHYSICAL_SIZE,
+ sensorPhysicalSize, 2);
+
+ ADD_OR_SIZE(ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE,
+ Sensor::kResolution, 2);
+
+ ADD_OR_SIZE(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE,
+ Sensor::kResolution, 2);
+
+ ADD_OR_SIZE(ANDROID_SENSOR_INFO_WHITE_LEVEL,
+ &Sensor::kMaxRawValue, 1);
+
+ static const int32_t blackLevelPattern[4] = {
+ static_cast<int32_t>(Sensor::kBlackLevel),
+ static_cast<int32_t>(Sensor::kBlackLevel),
+ static_cast<int32_t>(Sensor::kBlackLevel),
+ static_cast<int32_t>(Sensor::kBlackLevel)
+ };
+ ADD_OR_SIZE(ANDROID_SENSOR_BLACK_LEVEL_PATTERN,
+ blackLevelPattern, sizeof(blackLevelPattern)/sizeof(int32_t));
+
+ //TODO: sensor color calibration fields
+
+ // android.flash
+ static const uint8_t flashAvailable = 0;
+ ADD_OR_SIZE(ANDROID_FLASH_INFO_AVAILABLE, &flashAvailable, 1);
+
+ static const int64_t flashChargeDuration = 0;
+ ADD_OR_SIZE(ANDROID_FLASH_INFO_CHARGE_DURATION, &flashChargeDuration, 1);
+
+ // android.tonemap
+
+ static const int32_t tonemapCurvePoints = 128;
+ ADD_OR_SIZE(ANDROID_TONEMAP_MAX_CURVE_POINTS, &tonemapCurvePoints, 1);
+
+ // android.scaler
+
+ ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_FORMATS,
+ kAvailableFormats,
+ sizeof(kAvailableFormats)/sizeof(uint32_t));
+
+ ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_RAW_SIZES,
+ kAvailableRawSizes,
+ sizeof(kAvailableRawSizes)/sizeof(uint32_t));
+
+ ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_RAW_MIN_DURATIONS,
+ kAvailableRawMinDurations,
+ sizeof(kAvailableRawMinDurations)/sizeof(uint64_t));
+
+ if (mFacingBack) {
+ ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES,
+ kAvailableProcessedSizesBack,
+ sizeof(kAvailableProcessedSizesBack)/sizeof(uint32_t));
+ } else {
+ ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_PROCESSED_SIZES,
+ kAvailableProcessedSizesFront,
+ sizeof(kAvailableProcessedSizesFront)/sizeof(uint32_t));
+ }
+
+ ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS,
+ kAvailableProcessedMinDurations,
+ sizeof(kAvailableProcessedMinDurations)/sizeof(uint64_t));
+
+ if (mFacingBack) {
+ ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_JPEG_SIZES,
+ kAvailableJpegSizesBack,
+ sizeof(kAvailableJpegSizesBack)/sizeof(uint32_t));
+ } else {
+ ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_JPEG_SIZES,
+ kAvailableJpegSizesFront,
+ sizeof(kAvailableJpegSizesFront)/sizeof(uint32_t));
+ }
+
+ ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_JPEG_MIN_DURATIONS,
+ kAvailableJpegMinDurations,
+ sizeof(kAvailableJpegMinDurations)/sizeof(uint64_t));
+
+ static const float maxZoom = 10;
+ ADD_OR_SIZE(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM,
+ &maxZoom, 1);
+
+ // android.jpeg
+
+ static const int32_t jpegThumbnailSizes[] = {
+ 0, 0,
+ 160, 120,
+ 320, 240
+ };
+ ADD_OR_SIZE(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES,
+ jpegThumbnailSizes, sizeof(jpegThumbnailSizes)/sizeof(int32_t));
+
+ static const int32_t jpegMaxSize = JpegCompressor::kMaxJpegSize;
+ ADD_OR_SIZE(ANDROID_JPEG_MAX_SIZE, &jpegMaxSize, 1);
+
+ // android.stats
+
+ static const uint8_t availableFaceDetectModes[] = {
+ ANDROID_STATISTICS_FACE_DETECT_MODE_OFF,
+ ANDROID_STATISTICS_FACE_DETECT_MODE_SIMPLE,
+ ANDROID_STATISTICS_FACE_DETECT_MODE_FULL
+ };
+
+ ADD_OR_SIZE(ANDROID_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES,
+ availableFaceDetectModes,
+ sizeof(availableFaceDetectModes));
+
+ static const int32_t maxFaceCount = 8;
+ ADD_OR_SIZE(ANDROID_STATISTICS_INFO_MAX_FACE_COUNT,
+ &maxFaceCount, 1);
+
+ static const int32_t histogramSize = 64;
+ ADD_OR_SIZE(ANDROID_STATISTICS_INFO_HISTOGRAM_BUCKET_COUNT,
+ &histogramSize, 1);
+
+ static const int32_t maxHistogramCount = 1000;
+ ADD_OR_SIZE(ANDROID_STATISTICS_INFO_MAX_HISTOGRAM_COUNT,
+ &maxHistogramCount, 1);
+
+ static const int32_t sharpnessMapSize[2] = {64, 64};
+ ADD_OR_SIZE(ANDROID_STATISTICS_INFO_SHARPNESS_MAP_SIZE,
+ sharpnessMapSize, sizeof(sharpnessMapSize)/sizeof(int32_t));
+
+ static const int32_t maxSharpnessMapValue = 1000;
+ ADD_OR_SIZE(ANDROID_STATISTICS_INFO_MAX_SHARPNESS_MAP_VALUE,
+ &maxSharpnessMapValue, 1);
+
+ // android.control
+
+ static const uint8_t availableSceneModes[] = {
+ ANDROID_CONTROL_SCENE_MODE_DISABLED
+ };
+ ADD_OR_SIZE(ANDROID_CONTROL_AVAILABLE_SCENE_MODES,
+ availableSceneModes, sizeof(availableSceneModes));
+
+ static const uint8_t availableEffects[] = {
+ ANDROID_CONTROL_EFFECT_MODE_OFF
+ };
+ ADD_OR_SIZE(ANDROID_CONTROL_AVAILABLE_EFFECTS,
+ availableEffects, sizeof(availableEffects));
+
+ static const int32_t max3aRegions[] = {/*AE*/ 0,/*AWB*/ 0,/*AF*/ 0};
+ ADD_OR_SIZE(ANDROID_CONTROL_MAX_REGIONS,
+ max3aRegions, sizeof(max3aRegions)/sizeof(max3aRegions[0]));
+
+ static const uint8_t availableAeModes[] = {
+ ANDROID_CONTROL_AE_MODE_OFF,
+ ANDROID_CONTROL_AE_MODE_ON
+ };
+ ADD_OR_SIZE(ANDROID_CONTROL_AE_AVAILABLE_MODES,
+ availableAeModes, sizeof(availableAeModes));
+
+ static const camera_metadata_rational exposureCompensationStep = {
+ 1, 3
+ };
+ ADD_OR_SIZE(ANDROID_CONTROL_AE_COMPENSATION_STEP,
+ &exposureCompensationStep, 1);
+
+ int32_t exposureCompensationRange[] = {-9, 9};
+ ADD_OR_SIZE(ANDROID_CONTROL_AE_COMPENSATION_RANGE,
+ exposureCompensationRange,
+ sizeof(exposureCompensationRange)/sizeof(int32_t));
+
+ static const int32_t availableTargetFpsRanges[] = {
+ 5, 30, 15, 30
+ };
+ ADD_OR_SIZE(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES,
+ availableTargetFpsRanges,
+ sizeof(availableTargetFpsRanges)/sizeof(int32_t));
+
+ static const uint8_t availableAntibandingModes[] = {
+ ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF,
+ ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO
+ };
+ ADD_OR_SIZE(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES,
+ availableAntibandingModes, sizeof(availableAntibandingModes));
+
+ static const uint8_t availableAwbModes[] = {
+ ANDROID_CONTROL_AWB_MODE_OFF,
+ ANDROID_CONTROL_AWB_MODE_AUTO,
+ ANDROID_CONTROL_AWB_MODE_INCANDESCENT,
+ ANDROID_CONTROL_AWB_MODE_FLUORESCENT,
+ ANDROID_CONTROL_AWB_MODE_DAYLIGHT,
+ ANDROID_CONTROL_AWB_MODE_SHADE
+ };
+ ADD_OR_SIZE(ANDROID_CONTROL_AWB_AVAILABLE_MODES,
+ availableAwbModes, sizeof(availableAwbModes));
+
+ static const uint8_t availableAfModesBack[] = {
+ ANDROID_CONTROL_AF_MODE_OFF,
+ ANDROID_CONTROL_AF_MODE_AUTO,
+ ANDROID_CONTROL_AF_MODE_MACRO,
+ ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO,
+ ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE
+ };
+
+ static const uint8_t availableAfModesFront[] = {
+ ANDROID_CONTROL_AF_MODE_OFF
+ };
+
+ if (mFacingBack) {
+ ADD_OR_SIZE(ANDROID_CONTROL_AF_AVAILABLE_MODES,
+ availableAfModesBack, sizeof(availableAfModesBack));
+ } else {
+ ADD_OR_SIZE(ANDROID_CONTROL_AF_AVAILABLE_MODES,
+ availableAfModesFront, sizeof(availableAfModesFront));
+ }
+
+ static const uint8_t availableVstabModes[] = {
+ ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF
+ };
+ ADD_OR_SIZE(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES,
+ availableVstabModes, sizeof(availableVstabModes));
+
+#undef ADD_OR_SIZE
+ /** Allocate metadata if sizing */
+ if (sizeRequest) {
+ ALOGV("Allocating %zu entries, %zu extra bytes for "
+ "static camera info",
+ entryCount, dataCount);
+ *info = allocate_camera_metadata(entryCount, dataCount);
+ if (*info == NULL) {
+ ALOGE("Unable to allocate camera static info"
+ "(%zu entries, %zu bytes extra data)",
+ entryCount, dataCount);
+ return NO_MEMORY;
+ }
+ }
+ return OK;
+}
+
+status_t EmulatedFakeCamera2::constructDefaultRequest(
+ int request_template,
+ camera_metadata_t **request,
+ bool sizeRequest) const {
+
+ size_t entryCount = 0;
+ size_t dataCount = 0;
+ status_t ret;
+
+#define ADD_OR_SIZE( tag, data, count ) \
+ if ( ( ret = addOrSize(*request, sizeRequest, &entryCount, &dataCount, \
+ tag, data, count) ) != OK ) return ret
+
+ /** android.request */
+
+ static const uint8_t requestType = ANDROID_REQUEST_TYPE_CAPTURE;
+ ADD_OR_SIZE(ANDROID_REQUEST_TYPE, &requestType, 1);
+
+ static const uint8_t metadataMode = ANDROID_REQUEST_METADATA_MODE_FULL;
+ ADD_OR_SIZE(ANDROID_REQUEST_METADATA_MODE, &metadataMode, 1);
+
+ static const int32_t id = 0;
+ ADD_OR_SIZE(ANDROID_REQUEST_ID, &id, 1);
+
+ static const int32_t frameCount = 0;
+ ADD_OR_SIZE(ANDROID_REQUEST_FRAME_COUNT, &frameCount, 1);
+
+ // OUTPUT_STREAMS set by user
+ entryCount += 1;
+ dataCount += 5; // TODO: Should be maximum stream number
+
+ /** android.lens */
+
+ static const float focusDistance = 0;
+ ADD_OR_SIZE(ANDROID_LENS_FOCUS_DISTANCE, &focusDistance, 1);
+
+ static const float aperture = 2.8f;
+ ADD_OR_SIZE(ANDROID_LENS_APERTURE, &aperture, 1);
+
+ static const float focalLength = 5.0f;
+ ADD_OR_SIZE(ANDROID_LENS_FOCAL_LENGTH, &focalLength, 1);
+
+ static const float filterDensity = 0;
+ ADD_OR_SIZE(ANDROID_LENS_FILTER_DENSITY, &filterDensity, 1);
+
+ static const uint8_t opticalStabilizationMode =
+ ANDROID_LENS_OPTICAL_STABILIZATION_MODE_OFF;
+ ADD_OR_SIZE(ANDROID_LENS_OPTICAL_STABILIZATION_MODE,
+ &opticalStabilizationMode, 1);
+
+ // FOCUS_RANGE set only in frame
+
+ /** android.sensor */
+
+ static const int64_t exposureTime = 10 * MSEC;
+ ADD_OR_SIZE(ANDROID_SENSOR_EXPOSURE_TIME, &exposureTime, 1);
+
+ static const int64_t frameDuration = 33333333L; // 1/30 s
+ ADD_OR_SIZE(ANDROID_SENSOR_FRAME_DURATION, &frameDuration, 1);
+
+ static const int32_t sensitivity = 100;
+ ADD_OR_SIZE(ANDROID_SENSOR_SENSITIVITY, &sensitivity, 1);
+
+ // TIMESTAMP set only in frame
+
+ /** android.flash */
+
+ static const uint8_t flashMode = ANDROID_FLASH_MODE_OFF;
+ ADD_OR_SIZE(ANDROID_FLASH_MODE, &flashMode, 1);
+
+ static const uint8_t flashPower = 10;
+ ADD_OR_SIZE(ANDROID_FLASH_FIRING_POWER, &flashPower, 1);
+
+ static const int64_t firingTime = 0;
+ ADD_OR_SIZE(ANDROID_FLASH_FIRING_TIME, &firingTime, 1);
+
+ /** Processing block modes */
+ uint8_t hotPixelMode = 0;
+ uint8_t demosaicMode = 0;
+ uint8_t noiseMode = 0;
+ uint8_t shadingMode = 0;
+ uint8_t colorMode = 0;
+ uint8_t tonemapMode = 0;
+ uint8_t edgeMode = 0;
+ switch (request_template) {
+ case CAMERA2_TEMPLATE_STILL_CAPTURE:
+ // fall-through
+ case CAMERA2_TEMPLATE_VIDEO_SNAPSHOT:
+ // fall-through
+ case CAMERA2_TEMPLATE_ZERO_SHUTTER_LAG:
+ hotPixelMode = ANDROID_HOT_PIXEL_MODE_HIGH_QUALITY;
+ demosaicMode = ANDROID_DEMOSAIC_MODE_HIGH_QUALITY;
+ noiseMode = ANDROID_NOISE_REDUCTION_MODE_HIGH_QUALITY;
+ shadingMode = ANDROID_SHADING_MODE_HIGH_QUALITY;
+ colorMode = ANDROID_COLOR_CORRECTION_MODE_HIGH_QUALITY;
+ tonemapMode = ANDROID_TONEMAP_MODE_HIGH_QUALITY;
+ edgeMode = ANDROID_EDGE_MODE_HIGH_QUALITY;
+ break;
+ case CAMERA2_TEMPLATE_PREVIEW:
+ // fall-through
+ case CAMERA2_TEMPLATE_VIDEO_RECORD:
+ // fall-through
+ default:
+ hotPixelMode = ANDROID_HOT_PIXEL_MODE_FAST;
+ demosaicMode = ANDROID_DEMOSAIC_MODE_FAST;
+ noiseMode = ANDROID_NOISE_REDUCTION_MODE_FAST;
+ shadingMode = ANDROID_SHADING_MODE_FAST;
+ colorMode = ANDROID_COLOR_CORRECTION_MODE_FAST;
+ tonemapMode = ANDROID_TONEMAP_MODE_FAST;
+ edgeMode = ANDROID_EDGE_MODE_FAST;
+ break;
+ }
+ ADD_OR_SIZE(ANDROID_HOT_PIXEL_MODE, &hotPixelMode, 1);
+ ADD_OR_SIZE(ANDROID_DEMOSAIC_MODE, &demosaicMode, 1);
+ ADD_OR_SIZE(ANDROID_NOISE_REDUCTION_MODE, &noiseMode, 1);
+ ADD_OR_SIZE(ANDROID_SHADING_MODE, &shadingMode, 1);
+ ADD_OR_SIZE(ANDROID_COLOR_CORRECTION_MODE, &colorMode, 1);
+ ADD_OR_SIZE(ANDROID_TONEMAP_MODE, &tonemapMode, 1);
+ ADD_OR_SIZE(ANDROID_EDGE_MODE, &edgeMode, 1);
+
+ /** android.noise */
+ static const uint8_t noiseStrength = 5;
+ ADD_OR_SIZE(ANDROID_NOISE_REDUCTION_STRENGTH, &noiseStrength, 1);
+
+ /** android.color */
+ static const float colorTransform[9] = {
+ 1.0f, 0.f, 0.f,
+ 0.f, 1.f, 0.f,
+ 0.f, 0.f, 1.f
+ };
+ ADD_OR_SIZE(ANDROID_COLOR_CORRECTION_TRANSFORM, colorTransform, 9);
+
+ /** android.tonemap */
+ static const float tonemapCurve[4] = {
+ 0.f, 0.f,
+ 1.f, 1.f
+ };
+ ADD_OR_SIZE(ANDROID_TONEMAP_CURVE_RED, tonemapCurve, 4);
+ ADD_OR_SIZE(ANDROID_TONEMAP_CURVE_GREEN, tonemapCurve, 4);
+ ADD_OR_SIZE(ANDROID_TONEMAP_CURVE_BLUE, tonemapCurve, 4);
+
+ /** android.edge */
+ static const uint8_t edgeStrength = 5;
+ ADD_OR_SIZE(ANDROID_EDGE_STRENGTH, &edgeStrength, 1);
+
+ /** android.scaler */
+ static const int32_t cropRegion[3] = {
+ 0, 0, static_cast<int32_t>(Sensor::kResolution[0])
+ };
+ ADD_OR_SIZE(ANDROID_SCALER_CROP_REGION, cropRegion, 3);
+
+ /** android.jpeg */
+ static const int32_t jpegQuality = 80;
+ ADD_OR_SIZE(ANDROID_JPEG_QUALITY, &jpegQuality, 1);
+
+ static const int32_t thumbnailSize[2] = {
+ 640, 480
+ };
+ ADD_OR_SIZE(ANDROID_JPEG_THUMBNAIL_SIZE, thumbnailSize, 2);
+
+ static const int32_t thumbnailQuality = 80;
+ ADD_OR_SIZE(ANDROID_JPEG_THUMBNAIL_QUALITY, &thumbnailQuality, 1);
+
+ static const double gpsCoordinates[2] = {
+ 0, 0
+ };
+ ADD_OR_SIZE(ANDROID_JPEG_GPS_COORDINATES, gpsCoordinates, 2);
+
+ static const uint8_t gpsProcessingMethod[32] = "None";
+ ADD_OR_SIZE(ANDROID_JPEG_GPS_PROCESSING_METHOD, gpsProcessingMethod, 32);
+
+ static const int64_t gpsTimestamp = 0;
+ ADD_OR_SIZE(ANDROID_JPEG_GPS_TIMESTAMP, &gpsTimestamp, 1);
+
+ static const int32_t jpegOrientation = 0;
+ ADD_OR_SIZE(ANDROID_JPEG_ORIENTATION, &jpegOrientation, 1);
+
+ /** android.stats */
+
+ static const uint8_t faceDetectMode =
+ ANDROID_STATISTICS_FACE_DETECT_MODE_OFF;
+ ADD_OR_SIZE(ANDROID_STATISTICS_FACE_DETECT_MODE, &faceDetectMode, 1);
+
+ static const uint8_t histogramMode = ANDROID_STATISTICS_HISTOGRAM_MODE_OFF;
+ ADD_OR_SIZE(ANDROID_STATISTICS_HISTOGRAM_MODE, &histogramMode, 1);
+
+ static const uint8_t sharpnessMapMode =
+ ANDROID_STATISTICS_SHARPNESS_MAP_MODE_OFF;
+ ADD_OR_SIZE(ANDROID_STATISTICS_SHARPNESS_MAP_MODE, &sharpnessMapMode, 1);
+
+ // faceRectangles, faceScores, faceLandmarks, faceIds, histogram,
+ // sharpnessMap only in frames
+
+ /** android.control */
+
+ uint8_t controlIntent = 0;
+ switch (request_template) {
+ case CAMERA2_TEMPLATE_PREVIEW:
+ controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_PREVIEW;
+ break;
+ case CAMERA2_TEMPLATE_STILL_CAPTURE:
+ controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_STILL_CAPTURE;
+ break;
+ case CAMERA2_TEMPLATE_VIDEO_RECORD:
+ controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_VIDEO_RECORD;
+ break;
+ case CAMERA2_TEMPLATE_VIDEO_SNAPSHOT:
+ controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_VIDEO_SNAPSHOT;
+ break;
+ case CAMERA2_TEMPLATE_ZERO_SHUTTER_LAG:
+ controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_ZERO_SHUTTER_LAG;
+ break;
+ default:
+ controlIntent = ANDROID_CONTROL_CAPTURE_INTENT_CUSTOM;
+ break;
+ }
+ ADD_OR_SIZE(ANDROID_CONTROL_CAPTURE_INTENT, &controlIntent, 1);
+
+ static const uint8_t controlMode = ANDROID_CONTROL_MODE_AUTO;
+ ADD_OR_SIZE(ANDROID_CONTROL_MODE, &controlMode, 1);
+
+ static const uint8_t effectMode = ANDROID_CONTROL_EFFECT_MODE_OFF;
+ ADD_OR_SIZE(ANDROID_CONTROL_EFFECT_MODE, &effectMode, 1);
+
+ static const uint8_t sceneMode = ANDROID_CONTROL_SCENE_MODE_FACE_PRIORITY;
+ ADD_OR_SIZE(ANDROID_CONTROL_SCENE_MODE, &sceneMode, 1);
+
+ static const uint8_t aeMode = ANDROID_CONTROL_AE_MODE_ON_AUTO_FLASH;
+ ADD_OR_SIZE(ANDROID_CONTROL_AE_MODE, &aeMode, 1);
+
+ static const uint8_t aeLock = ANDROID_CONTROL_AE_LOCK_OFF;
+ ADD_OR_SIZE(ANDROID_CONTROL_AE_LOCK, &aeLock, 1);
+
+ static const int32_t controlRegions[5] = {
+ 0, 0,
+ static_cast<int32_t>(Sensor::kResolution[0]),
+ static_cast<int32_t>(Sensor::kResolution[1]),
+ 1000
+ };
+ ADD_OR_SIZE(ANDROID_CONTROL_AE_REGIONS, controlRegions, 5);
+
+ static const int32_t aeExpCompensation = 0;
+ ADD_OR_SIZE(ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION, &aeExpCompensation, 1);
+
+ static const int32_t aeTargetFpsRange[2] = {
+ 10, 30
+ };
+ ADD_OR_SIZE(ANDROID_CONTROL_AE_TARGET_FPS_RANGE, aeTargetFpsRange, 2);
+
+ static const uint8_t aeAntibandingMode =
+ ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO;
+ ADD_OR_SIZE(ANDROID_CONTROL_AE_ANTIBANDING_MODE, &aeAntibandingMode, 1);
+
+ static const uint8_t awbMode =
+ ANDROID_CONTROL_AWB_MODE_AUTO;
+ ADD_OR_SIZE(ANDROID_CONTROL_AWB_MODE, &awbMode, 1);
+
+ static const uint8_t awbLock = ANDROID_CONTROL_AWB_LOCK_OFF;
+ ADD_OR_SIZE(ANDROID_CONTROL_AWB_LOCK, &awbLock, 1);
+
+ ADD_OR_SIZE(ANDROID_CONTROL_AWB_REGIONS, controlRegions, 5);
+
+ uint8_t afMode = 0;
+ switch (request_template) {
+ case CAMERA2_TEMPLATE_PREVIEW:
+ afMode = ANDROID_CONTROL_AF_MODE_AUTO;
+ break;
+ case CAMERA2_TEMPLATE_STILL_CAPTURE:
+ afMode = ANDROID_CONTROL_AF_MODE_AUTO;
+ break;
+ case CAMERA2_TEMPLATE_VIDEO_RECORD:
+ afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO;
+ break;
+ case CAMERA2_TEMPLATE_VIDEO_SNAPSHOT:
+ afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_VIDEO;
+ break;
+ case CAMERA2_TEMPLATE_ZERO_SHUTTER_LAG:
+ afMode = ANDROID_CONTROL_AF_MODE_CONTINUOUS_PICTURE;
+ break;
+ default:
+ afMode = ANDROID_CONTROL_AF_MODE_AUTO;
+ break;
+ }
+ ADD_OR_SIZE(ANDROID_CONTROL_AF_MODE, &afMode, 1);
+
+ ADD_OR_SIZE(ANDROID_CONTROL_AF_REGIONS, controlRegions, 5);
+
+ static const uint8_t vstabMode =
+ ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF;
+ ADD_OR_SIZE(ANDROID_CONTROL_VIDEO_STABILIZATION_MODE, &vstabMode, 1);
+
+ // aeState, awbState, afState only in frame
+
+ /** Allocate metadata if sizing */
+ if (sizeRequest) {
+ ALOGV("Allocating %zu entries, %zu extra bytes for "
+ "request template type %d",
+ entryCount, dataCount, request_template);
+ *request = allocate_camera_metadata(entryCount, dataCount);
+ if (*request == NULL) {
+ ALOGE("Unable to allocate new request template type %d "
+ "(%zu entries, %zu bytes extra data)", request_template,
+ entryCount, dataCount);
+ return NO_MEMORY;
+ }
+ }
+ return OK;
+#undef ADD_OR_SIZE
+}
+
+status_t EmulatedFakeCamera2::addOrSize(camera_metadata_t *request,
+ bool sizeRequest,
+ size_t *entryCount,
+ size_t *dataCount,
+ uint32_t tag,
+ const void *entryData,
+ size_t entryDataCount) {
+ status_t res;
+ if (!sizeRequest) {
+ return add_camera_metadata_entry(request, tag, entryData,
+ entryDataCount);
+ } else {
+ int type = get_camera_metadata_tag_type(tag);
+ if (type < 0 ) return BAD_VALUE;
+ (*entryCount)++;
+ (*dataCount) += calculate_camera_metadata_entry_data_size(type,
+ entryDataCount);
+ return OK;
+ }
+}
+
+bool EmulatedFakeCamera2::isStreamInUse(uint32_t id) {
+ // Assumes mMutex is locked; otherwise new requests could enter
+ // configureThread while readoutThread is being checked
+
+ // Order of isStreamInUse calls matters
+ if (mConfigureThread->isStreamInUse(id) ||
+ mReadoutThread->isStreamInUse(id) ||
+ mJpegCompressor->isStreamInUse(id) ) {
+ ALOGE("%s: Stream %d is in use in active requests!",
+ __FUNCTION__, id);
+ return true;
+ }
+ return false;
+}
+
+bool EmulatedFakeCamera2::isReprocessStreamInUse(uint32_t id) {
+ // TODO: implement
+ return false;
+}
+
+const Stream& EmulatedFakeCamera2::getStreamInfo(uint32_t streamId) {
+ Mutex::Autolock lock(mMutex);
+
+ return mStreams.valueFor(streamId);
+}
+
+const ReprocessStream& EmulatedFakeCamera2::getReprocessStreamInfo(uint32_t streamId) {
+ Mutex::Autolock lock(mMutex);
+
+ return mReprocessStreams.valueFor(streamId);
+}
+
+}; /* namespace android */
Code Review / iec.git / blobdiff