| /* |
| * 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. |
| */ |
| |
| #define LOG_TAG "Camera2-Device" |
| #define ATRACE_TAG ATRACE_TAG_CAMERA |
| //#define LOG_NDEBUG 0 |
| //#define LOG_NNDEBUG 0 // Per-frame verbose logging |
| |
| #ifdef LOG_NNDEBUG |
| #define ALOGVV(...) ALOGV(__VA_ARGS__) |
| #else |
| #define ALOGVV(...) ((void)0) |
| #endif |
| |
| #include <utils/Log.h> |
| #include <utils/Trace.h> |
| #include <utils/Timers.h> |
| #include "Camera2Device.h" |
| |
| namespace android { |
| |
| Camera2Device::Camera2Device(int id): |
| mId(id), |
| mHal2Device(NULL) |
| { |
| ATRACE_CALL(); |
| ALOGV("%s: Created device for camera %d", __FUNCTION__, id); |
| } |
| |
| Camera2Device::~Camera2Device() |
| { |
| ATRACE_CALL(); |
| ALOGV("%s: Tearing down for camera id %d", __FUNCTION__, mId); |
| disconnect(); |
| } |
| |
| status_t Camera2Device::initialize(camera_module_t *module) |
| { |
| ATRACE_CALL(); |
| ALOGV("%s: Initializing device for camera %d", __FUNCTION__, mId); |
| if (mHal2Device != NULL) { |
| ALOGE("%s: Already initialized!", __FUNCTION__); |
| return INVALID_OPERATION; |
| } |
| |
| status_t res; |
| char name[10]; |
| snprintf(name, sizeof(name), "%d", mId); |
| |
| camera2_device_t *device; |
| |
| res = module->common.methods->open(&module->common, name, |
| reinterpret_cast<hw_device_t**>(&device)); |
| |
| if (res != OK) { |
| ALOGE("%s: Could not open camera %d: %s (%d)", __FUNCTION__, |
| mId, strerror(-res), res); |
| return res; |
| } |
| |
| if (device->common.version != CAMERA_DEVICE_API_VERSION_2_0) { |
| ALOGE("%s: Could not open camera %d: " |
| "Camera device is not version %x, reports %x instead", |
| __FUNCTION__, mId, CAMERA_DEVICE_API_VERSION_2_0, |
| device->common.version); |
| device->common.close(&device->common); |
| return BAD_VALUE; |
| } |
| |
| camera_info info; |
| res = module->get_camera_info(mId, &info); |
| if (res != OK ) return res; |
| |
| if (info.device_version != device->common.version) { |
| ALOGE("%s: HAL reporting mismatched camera_info version (%x)" |
| " and device version (%x).", __FUNCTION__, |
| device->common.version, info.device_version); |
| device->common.close(&device->common); |
| return BAD_VALUE; |
| } |
| |
| res = mRequestQueue.setConsumerDevice(device); |
| if (res != OK) { |
| ALOGE("%s: Camera %d: Unable to connect request queue to device: %s (%d)", |
| __FUNCTION__, mId, strerror(-res), res); |
| device->common.close(&device->common); |
| return res; |
| } |
| res = mFrameQueue.setProducerDevice(device); |
| if (res != OK) { |
| ALOGE("%s: Camera %d: Unable to connect frame queue to device: %s (%d)", |
| __FUNCTION__, mId, strerror(-res), res); |
| device->common.close(&device->common); |
| return res; |
| } |
| |
| res = device->ops->get_metadata_vendor_tag_ops(device, &mVendorTagOps); |
| if (res != OK ) { |
| ALOGE("%s: Camera %d: Unable to retrieve tag ops from device: %s (%d)", |
| __FUNCTION__, mId, strerror(-res), res); |
| device->common.close(&device->common); |
| return res; |
| } |
| res = set_camera_metadata_vendor_tag_ops(mVendorTagOps); |
| if (res != OK) { |
| ALOGE("%s: Camera %d: Unable to set tag ops: %s (%d)", |
| __FUNCTION__, mId, strerror(-res), res); |
| device->common.close(&device->common); |
| return res; |
| } |
| res = device->ops->set_notify_callback(device, notificationCallback, |
| NULL); |
| if (res != OK) { |
| ALOGE("%s: Camera %d: Unable to initialize notification callback!", |
| __FUNCTION__, mId); |
| device->common.close(&device->common); |
| return res; |
| } |
| |
| mDeviceInfo = info.static_camera_characteristics; |
| mHal2Device = device; |
| |
| return OK; |
| } |
| |
| status_t Camera2Device::disconnect() { |
| ATRACE_CALL(); |
| status_t res = OK; |
| if (mHal2Device) { |
| ALOGV("%s: Closing device for camera %d", __FUNCTION__, mId); |
| |
| int inProgressCount = mHal2Device->ops->get_in_progress_count(mHal2Device); |
| if (inProgressCount > 0) { |
| ALOGW("%s: Closing camera device %d with %d requests in flight!", |
| __FUNCTION__, mId, inProgressCount); |
| } |
| mReprocessStreams.clear(); |
| mStreams.clear(); |
| res = mHal2Device->common.close(&mHal2Device->common); |
| if (res != OK) { |
| ALOGE("%s: Could not close camera %d: %s (%d)", |
| __FUNCTION__, |
| mId, strerror(-res), res); |
| } |
| mHal2Device = NULL; |
| ALOGV("%s: Shutdown complete", __FUNCTION__); |
| } |
| return res; |
| } |
| |
| status_t Camera2Device::dump(int fd, const Vector<String16>& args) { |
| ATRACE_CALL(); |
| String8 result; |
| int detailLevel = 0; |
| int n = args.size(); |
| String16 detailOption("-d"); |
| for (int i = 0; i + 1 < n; i++) { |
| if (args[i] == detailOption) { |
| String8 levelStr(args[i+1]); |
| detailLevel = atoi(levelStr.string()); |
| } |
| } |
| |
| result.appendFormat(" Camera2Device[%d] dump (detail level %d):\n", |
| mId, detailLevel); |
| |
| if (detailLevel > 0) { |
| result = " Request queue contents:\n"; |
| write(fd, result.string(), result.size()); |
| mRequestQueue.dump(fd, args); |
| |
| result = " Frame queue contents:\n"; |
| write(fd, result.string(), result.size()); |
| mFrameQueue.dump(fd, args); |
| } |
| |
| result = " Active streams:\n"; |
| write(fd, result.string(), result.size()); |
| for (StreamList::iterator s = mStreams.begin(); s != mStreams.end(); s++) { |
| (*s)->dump(fd, args); |
| } |
| |
| result = " HAL device dump:\n"; |
| write(fd, result.string(), result.size()); |
| |
| status_t res; |
| res = mHal2Device->ops->dump(mHal2Device, fd); |
| |
| return res; |
| } |
| |
| const CameraMetadata& Camera2Device::info() const { |
| ALOGVV("%s: E", __FUNCTION__); |
| |
| return mDeviceInfo; |
| } |
| |
| status_t Camera2Device::capture(CameraMetadata &request) { |
| ATRACE_CALL(); |
| ALOGV("%s: E", __FUNCTION__); |
| |
| mRequestQueue.enqueue(request.release()); |
| return OK; |
| } |
| |
| |
| status_t Camera2Device::setStreamingRequest(const CameraMetadata &request) { |
| ATRACE_CALL(); |
| ALOGV("%s: E", __FUNCTION__); |
| CameraMetadata streamRequest(request); |
| return mRequestQueue.setStreamSlot(streamRequest.release()); |
| } |
| |
| status_t Camera2Device::clearStreamingRequest() { |
| ATRACE_CALL(); |
| return mRequestQueue.setStreamSlot(NULL); |
| } |
| |
| status_t Camera2Device::waitUntilRequestReceived(int32_t requestId, nsecs_t timeout) { |
| ATRACE_CALL(); |
| return mRequestQueue.waitForDequeue(requestId, timeout); |
| } |
| |
| status_t Camera2Device::createStream(sp<ANativeWindow> consumer, |
| uint32_t width, uint32_t height, int format, size_t size, int *id) { |
| ATRACE_CALL(); |
| status_t res; |
| ALOGV("%s: E", __FUNCTION__); |
| |
| sp<StreamAdapter> stream = new StreamAdapter(mHal2Device); |
| |
| res = stream->connectToDevice(consumer, width, height, format, size); |
| if (res != OK) { |
| ALOGE("%s: Camera %d: Unable to create stream (%d x %d, format %x):" |
| "%s (%d)", |
| __FUNCTION__, mId, width, height, format, strerror(-res), res); |
| return res; |
| } |
| |
| *id = stream->getId(); |
| |
| mStreams.push_back(stream); |
| return OK; |
| } |
| |
| status_t Camera2Device::createReprocessStreamFromStream(int outputId, int *id) { |
| ATRACE_CALL(); |
| status_t res; |
| ALOGV("%s: E", __FUNCTION__); |
| |
| bool found = false; |
| StreamList::iterator streamI; |
| for (streamI = mStreams.begin(); |
| streamI != mStreams.end(); streamI++) { |
| if ((*streamI)->getId() == outputId) { |
| found = true; |
| break; |
| } |
| } |
| if (!found) { |
| ALOGE("%s: Camera %d: Output stream %d doesn't exist; can't create " |
| "reprocess stream from it!", __FUNCTION__, mId, outputId); |
| return BAD_VALUE; |
| } |
| |
| sp<ReprocessStreamAdapter> stream = new ReprocessStreamAdapter(mHal2Device); |
| |
| res = stream->connectToDevice((*streamI)); |
| if (res != OK) { |
| ALOGE("%s: Camera %d: Unable to create reprocessing stream from "\ |
| "stream %d: %s (%d)", __FUNCTION__, mId, outputId, |
| strerror(-res), res); |
| return res; |
| } |
| |
| *id = stream->getId(); |
| |
| mReprocessStreams.push_back(stream); |
| return OK; |
| } |
| |
| |
| status_t Camera2Device::getStreamInfo(int id, |
| uint32_t *width, uint32_t *height, uint32_t *format) { |
| ATRACE_CALL(); |
| ALOGV("%s: E", __FUNCTION__); |
| bool found = false; |
| StreamList::iterator streamI; |
| for (streamI = mStreams.begin(); |
| streamI != mStreams.end(); streamI++) { |
| if ((*streamI)->getId() == id) { |
| found = true; |
| break; |
| } |
| } |
| if (!found) { |
| ALOGE("%s: Camera %d: Stream %d does not exist", |
| __FUNCTION__, mId, id); |
| return BAD_VALUE; |
| } |
| |
| if (width) *width = (*streamI)->getWidth(); |
| if (height) *height = (*streamI)->getHeight(); |
| if (format) *format = (*streamI)->getFormat(); |
| |
| return OK; |
| } |
| |
| status_t Camera2Device::setStreamTransform(int id, |
| int transform) { |
| ATRACE_CALL(); |
| ALOGV("%s: E", __FUNCTION__); |
| bool found = false; |
| StreamList::iterator streamI; |
| for (streamI = mStreams.begin(); |
| streamI != mStreams.end(); streamI++) { |
| if ((*streamI)->getId() == id) { |
| found = true; |
| break; |
| } |
| } |
| if (!found) { |
| ALOGE("%s: Camera %d: Stream %d does not exist", |
| __FUNCTION__, mId, id); |
| return BAD_VALUE; |
| } |
| |
| return (*streamI)->setTransform(transform); |
| } |
| |
| status_t Camera2Device::deleteStream(int id) { |
| ATRACE_CALL(); |
| ALOGV("%s: E", __FUNCTION__); |
| bool found = false; |
| for (StreamList::iterator streamI = mStreams.begin(); |
| streamI != mStreams.end(); streamI++) { |
| if ((*streamI)->getId() == id) { |
| status_t res = (*streamI)->release(); |
| if (res != OK) { |
| ALOGE("%s: Unable to release stream %d from HAL device: " |
| "%s (%d)", __FUNCTION__, id, strerror(-res), res); |
| return res; |
| } |
| mStreams.erase(streamI); |
| found = true; |
| break; |
| } |
| } |
| if (!found) { |
| ALOGE("%s: Camera %d: Unable to find stream %d to delete", |
| __FUNCTION__, mId, id); |
| return BAD_VALUE; |
| } |
| return OK; |
| } |
| |
| status_t Camera2Device::deleteReprocessStream(int id) { |
| ATRACE_CALL(); |
| ALOGV("%s: E", __FUNCTION__); |
| bool found = false; |
| for (ReprocessStreamList::iterator streamI = mReprocessStreams.begin(); |
| streamI != mReprocessStreams.end(); streamI++) { |
| if ((*streamI)->getId() == id) { |
| status_t res = (*streamI)->release(); |
| if (res != OK) { |
| ALOGE("%s: Unable to release reprocess stream %d from " |
| "HAL device: %s (%d)", __FUNCTION__, id, |
| strerror(-res), res); |
| return res; |
| } |
| mReprocessStreams.erase(streamI); |
| found = true; |
| break; |
| } |
| } |
| if (!found) { |
| ALOGE("%s: Camera %d: Unable to find stream %d to delete", |
| __FUNCTION__, mId, id); |
| return BAD_VALUE; |
| } |
| return OK; |
| } |
| |
| |
| status_t Camera2Device::createDefaultRequest(int templateId, |
| CameraMetadata *request) { |
| ATRACE_CALL(); |
| status_t err; |
| ALOGV("%s: E", __FUNCTION__); |
| camera_metadata_t *rawRequest; |
| err = mHal2Device->ops->construct_default_request( |
| mHal2Device, templateId, &rawRequest); |
| request->acquire(rawRequest); |
| return err; |
| } |
| |
| status_t Camera2Device::waitUntilDrained() { |
| ATRACE_CALL(); |
| static const uint32_t kSleepTime = 50000; // 50 ms |
| static const uint32_t kMaxSleepTime = 10000000; // 10 s |
| ALOGV("%s: Camera %d: Starting wait", __FUNCTION__, mId); |
| if (mRequestQueue.getBufferCount() == |
| CAMERA2_REQUEST_QUEUE_IS_BOTTOMLESS) return INVALID_OPERATION; |
| |
| // TODO: Set up notifications from HAL, instead of sleeping here |
| uint32_t totalTime = 0; |
| while (mHal2Device->ops->get_in_progress_count(mHal2Device) > 0) { |
| usleep(kSleepTime); |
| totalTime += kSleepTime; |
| if (totalTime > kMaxSleepTime) { |
| ALOGE("%s: Waited %d us, %d requests still in flight", __FUNCTION__, |
| mHal2Device->ops->get_in_progress_count(mHal2Device), totalTime); |
| return TIMED_OUT; |
| } |
| } |
| ALOGV("%s: Camera %d: HAL is idle", __FUNCTION__, mId); |
| return OK; |
| } |
| |
| status_t Camera2Device::setNotifyCallback(NotificationListener *listener) { |
| ATRACE_CALL(); |
| status_t res; |
| res = mHal2Device->ops->set_notify_callback(mHal2Device, notificationCallback, |
| reinterpret_cast<void*>(listener) ); |
| if (res != OK) { |
| ALOGE("%s: Unable to set notification callback!", __FUNCTION__); |
| } |
| return res; |
| } |
| |
| void Camera2Device::notificationCallback(int32_t msg_type, |
| int32_t ext1, |
| int32_t ext2, |
| int32_t ext3, |
| void *user) { |
| ATRACE_CALL(); |
| NotificationListener *listener = reinterpret_cast<NotificationListener*>(user); |
| ALOGV("%s: Notification %d, arguments %d, %d, %d", __FUNCTION__, msg_type, |
| ext1, ext2, ext3); |
| if (listener != NULL) { |
| switch (msg_type) { |
| case CAMERA2_MSG_ERROR: |
| listener->notifyError(ext1, ext2, ext3); |
| break; |
| case CAMERA2_MSG_SHUTTER: { |
| nsecs_t timestamp = (nsecs_t)ext2 | ((nsecs_t)(ext3) << 32 ); |
| listener->notifyShutter(ext1, timestamp); |
| break; |
| } |
| case CAMERA2_MSG_AUTOFOCUS: |
| listener->notifyAutoFocus(ext1, ext2); |
| break; |
| case CAMERA2_MSG_AUTOEXPOSURE: |
| listener->notifyAutoExposure(ext1, ext2); |
| break; |
| case CAMERA2_MSG_AUTOWB: |
| listener->notifyAutoWhitebalance(ext1, ext2); |
| break; |
| default: |
| ALOGE("%s: Unknown notification %d (arguments %d, %d, %d)!", |
| __FUNCTION__, msg_type, ext1, ext2, ext3); |
| } |
| } |
| } |
| |
| status_t Camera2Device::waitForNextFrame(nsecs_t timeout) { |
| return mFrameQueue.waitForBuffer(timeout); |
| } |
| |
| status_t Camera2Device::getNextFrame(CameraMetadata *frame) { |
| ATRACE_CALL(); |
| status_t res; |
| camera_metadata_t *rawFrame; |
| res = mFrameQueue.dequeue(&rawFrame); |
| if (rawFrame == NULL) { |
| return NOT_ENOUGH_DATA; |
| } else if (res == OK) { |
| frame->acquire(rawFrame); |
| } |
| return res; |
| } |
| |
| status_t Camera2Device::triggerAutofocus(uint32_t id) { |
| ATRACE_CALL(); |
| status_t res; |
| ALOGV("%s: Triggering autofocus, id %d", __FUNCTION__, id); |
| res = mHal2Device->ops->trigger_action(mHal2Device, |
| CAMERA2_TRIGGER_AUTOFOCUS, id, 0); |
| if (res != OK) { |
| ALOGE("%s: Error triggering autofocus (id %d)", |
| __FUNCTION__, id); |
| } |
| return res; |
| } |
| |
| status_t Camera2Device::triggerCancelAutofocus(uint32_t id) { |
| ATRACE_CALL(); |
| status_t res; |
| ALOGV("%s: Canceling autofocus, id %d", __FUNCTION__, id); |
| res = mHal2Device->ops->trigger_action(mHal2Device, |
| CAMERA2_TRIGGER_CANCEL_AUTOFOCUS, id, 0); |
| if (res != OK) { |
| ALOGE("%s: Error canceling autofocus (id %d)", |
| __FUNCTION__, id); |
| } |
| return res; |
| } |
| |
| status_t Camera2Device::triggerPrecaptureMetering(uint32_t id) { |
| ATRACE_CALL(); |
| status_t res; |
| ALOGV("%s: Triggering precapture metering, id %d", __FUNCTION__, id); |
| res = mHal2Device->ops->trigger_action(mHal2Device, |
| CAMERA2_TRIGGER_PRECAPTURE_METERING, id, 0); |
| if (res != OK) { |
| ALOGE("%s: Error triggering precapture metering (id %d)", |
| __FUNCTION__, id); |
| } |
| return res; |
| } |
| |
| status_t Camera2Device::pushReprocessBuffer(int reprocessStreamId, |
| buffer_handle_t *buffer, wp<BufferReleasedListener> listener) { |
| ATRACE_CALL(); |
| ALOGV("%s: E", __FUNCTION__); |
| bool found = false; |
| status_t res = OK; |
| for (ReprocessStreamList::iterator streamI = mReprocessStreams.begin(); |
| streamI != mReprocessStreams.end(); streamI++) { |
| if ((*streamI)->getId() == reprocessStreamId) { |
| res = (*streamI)->pushIntoStream(buffer, listener); |
| if (res != OK) { |
| ALOGE("%s: Unable to push buffer to reprocess stream %d: %s (%d)", |
| __FUNCTION__, reprocessStreamId, strerror(-res), res); |
| return res; |
| } |
| found = true; |
| break; |
| } |
| } |
| if (!found) { |
| ALOGE("%s: Camera %d: Unable to find reprocess stream %d", |
| __FUNCTION__, mId, reprocessStreamId); |
| res = BAD_VALUE; |
| } |
| return res; |
| } |
| |
| /** |
| * Camera2Device::MetadataQueue |
| */ |
| |
| Camera2Device::MetadataQueue::MetadataQueue(): |
| mHal2Device(NULL), |
| mFrameCount(0), |
| mLatestRequestId(0), |
| mCount(0), |
| mStreamSlotCount(0), |
| mSignalConsumer(true) |
| { |
| ATRACE_CALL(); |
| camera2_request_queue_src_ops::dequeue_request = consumer_dequeue; |
| camera2_request_queue_src_ops::request_count = consumer_buffer_count; |
| camera2_request_queue_src_ops::free_request = consumer_free; |
| |
| camera2_frame_queue_dst_ops::dequeue_frame = producer_dequeue; |
| camera2_frame_queue_dst_ops::cancel_frame = producer_cancel; |
| camera2_frame_queue_dst_ops::enqueue_frame = producer_enqueue; |
| } |
| |
| Camera2Device::MetadataQueue::~MetadataQueue() { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mMutex); |
| freeBuffers(mEntries.begin(), mEntries.end()); |
| freeBuffers(mStreamSlot.begin(), mStreamSlot.end()); |
| } |
| |
| // Connect to camera2 HAL as consumer (input requests/reprocessing) |
| status_t Camera2Device::MetadataQueue::setConsumerDevice(camera2_device_t *d) { |
| ATRACE_CALL(); |
| status_t res; |
| res = d->ops->set_request_queue_src_ops(d, |
| this); |
| if (res != OK) return res; |
| mHal2Device = d; |
| return OK; |
| } |
| |
| status_t Camera2Device::MetadataQueue::setProducerDevice(camera2_device_t *d) { |
| ATRACE_CALL(); |
| status_t res; |
| res = d->ops->set_frame_queue_dst_ops(d, |
| this); |
| return res; |
| } |
| |
| // Real interfaces |
| status_t Camera2Device::MetadataQueue::enqueue(camera_metadata_t *buf) { |
| ATRACE_CALL(); |
| ALOGVV("%s: E", __FUNCTION__); |
| Mutex::Autolock l(mMutex); |
| |
| mCount++; |
| mEntries.push_back(buf); |
| |
| return signalConsumerLocked(); |
| } |
| |
| int Camera2Device::MetadataQueue::getBufferCount() { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mMutex); |
| if (mStreamSlotCount > 0) { |
| return CAMERA2_REQUEST_QUEUE_IS_BOTTOMLESS; |
| } |
| return mCount; |
| } |
| |
| status_t Camera2Device::MetadataQueue::dequeue(camera_metadata_t **buf, |
| bool incrementCount) |
| { |
| ATRACE_CALL(); |
| ALOGVV("%s: E", __FUNCTION__); |
| status_t res; |
| Mutex::Autolock l(mMutex); |
| |
| if (mCount == 0) { |
| if (mStreamSlotCount == 0) { |
| ALOGVV("%s: Empty", __FUNCTION__); |
| *buf = NULL; |
| mSignalConsumer = true; |
| return OK; |
| } |
| ALOGVV("%s: Streaming %d frames to queue", __FUNCTION__, |
| mStreamSlotCount); |
| |
| for (List<camera_metadata_t*>::iterator slotEntry = mStreamSlot.begin(); |
| slotEntry != mStreamSlot.end(); |
| slotEntry++ ) { |
| size_t entries = get_camera_metadata_entry_count(*slotEntry); |
| size_t dataBytes = get_camera_metadata_data_count(*slotEntry); |
| |
| camera_metadata_t *copy = |
| allocate_camera_metadata(entries, dataBytes); |
| append_camera_metadata(copy, *slotEntry); |
| mEntries.push_back(copy); |
| } |
| mCount = mStreamSlotCount; |
| } |
| ALOGVV("MetadataQueue: deque (%d buffers)", mCount); |
| camera_metadata_t *b = *(mEntries.begin()); |
| mEntries.erase(mEntries.begin()); |
| |
| if (incrementCount) { |
| ATRACE_INT("cam2_request", mFrameCount); |
| camera_metadata_entry_t frameCount; |
| res = find_camera_metadata_entry(b, |
| ANDROID_REQUEST_FRAME_COUNT, |
| &frameCount); |
| if (res != OK) { |
| ALOGE("%s: Unable to add frame count: %s (%d)", |
| __FUNCTION__, strerror(-res), res); |
| } else { |
| *frameCount.data.i32 = mFrameCount; |
| } |
| mFrameCount++; |
| } |
| |
| // Check for request ID, and if present, signal waiters. |
| camera_metadata_entry_t requestId; |
| res = find_camera_metadata_entry(b, |
| ANDROID_REQUEST_ID, |
| &requestId); |
| if (res == OK) { |
| mLatestRequestId = requestId.data.i32[0]; |
| mNewRequestId.signal(); |
| } |
| |
| *buf = b; |
| mCount--; |
| |
| return OK; |
| } |
| |
| status_t Camera2Device::MetadataQueue::waitForBuffer(nsecs_t timeout) |
| { |
| Mutex::Autolock l(mMutex); |
| status_t res; |
| while (mCount == 0) { |
| res = notEmpty.waitRelative(mMutex,timeout); |
| if (res != OK) return res; |
| } |
| return OK; |
| } |
| |
| status_t Camera2Device::MetadataQueue::waitForDequeue(int32_t id, |
| nsecs_t timeout) { |
| Mutex::Autolock l(mMutex); |
| status_t res; |
| while (mLatestRequestId != id) { |
| nsecs_t startTime = systemTime(); |
| |
| res = mNewRequestId.waitRelative(mMutex, timeout); |
| if (res != OK) return res; |
| |
| timeout -= (systemTime() - startTime); |
| } |
| |
| return OK; |
| } |
| |
| status_t Camera2Device::MetadataQueue::setStreamSlot(camera_metadata_t *buf) |
| { |
| ATRACE_CALL(); |
| ALOGV("%s: E", __FUNCTION__); |
| Mutex::Autolock l(mMutex); |
| if (buf == NULL) { |
| freeBuffers(mStreamSlot.begin(), mStreamSlot.end()); |
| mStreamSlotCount = 0; |
| return OK; |
| } |
| camera_metadata_t *buf2 = clone_camera_metadata(buf); |
| if (!buf2) { |
| ALOGE("%s: Unable to clone metadata buffer!", __FUNCTION__); |
| return NO_MEMORY; |
| } |
| |
| if (mStreamSlotCount > 1) { |
| List<camera_metadata_t*>::iterator deleter = ++mStreamSlot.begin(); |
| freeBuffers(++mStreamSlot.begin(), mStreamSlot.end()); |
| mStreamSlotCount = 1; |
| } |
| if (mStreamSlotCount == 1) { |
| free_camera_metadata( *(mStreamSlot.begin()) ); |
| *(mStreamSlot.begin()) = buf2; |
| } else { |
| mStreamSlot.push_front(buf2); |
| mStreamSlotCount = 1; |
| } |
| return signalConsumerLocked(); |
| } |
| |
| status_t Camera2Device::MetadataQueue::setStreamSlot( |
| const List<camera_metadata_t*> &bufs) |
| { |
| ATRACE_CALL(); |
| ALOGV("%s: E", __FUNCTION__); |
| Mutex::Autolock l(mMutex); |
| |
| if (mStreamSlotCount > 0) { |
| freeBuffers(mStreamSlot.begin(), mStreamSlot.end()); |
| } |
| mStreamSlotCount = 0; |
| for (List<camera_metadata_t*>::const_iterator r = bufs.begin(); |
| r != bufs.end(); r++) { |
| camera_metadata_t *r2 = clone_camera_metadata(*r); |
| if (!r2) { |
| ALOGE("%s: Unable to clone metadata buffer!", __FUNCTION__); |
| return NO_MEMORY; |
| } |
| mStreamSlot.push_back(r2); |
| mStreamSlotCount++; |
| } |
| return signalConsumerLocked(); |
| } |
| |
| status_t Camera2Device::MetadataQueue::dump(int fd, |
| const Vector<String16>& /*args*/) { |
| ATRACE_CALL(); |
| String8 result; |
| status_t notLocked; |
| notLocked = mMutex.tryLock(); |
| if (notLocked) { |
| result.append(" (Unable to lock queue mutex)\n"); |
| } |
| result.appendFormat(" Current frame number: %d\n", mFrameCount); |
| if (mStreamSlotCount == 0) { |
| result.append(" Stream slot: Empty\n"); |
| write(fd, result.string(), result.size()); |
| } else { |
| result.appendFormat(" Stream slot: %d entries\n", |
| mStreamSlot.size()); |
| int i = 0; |
| for (List<camera_metadata_t*>::iterator r = mStreamSlot.begin(); |
| r != mStreamSlot.end(); r++) { |
| result = String8::format(" Stream slot buffer %d:\n", i); |
| write(fd, result.string(), result.size()); |
| dump_indented_camera_metadata(*r, fd, 2, 10); |
| i++; |
| } |
| } |
| if (mEntries.size() == 0) { |
| result = " Main queue is empty\n"; |
| write(fd, result.string(), result.size()); |
| } else { |
| result = String8::format(" Main queue has %d entries:\n", |
| mEntries.size()); |
| int i = 0; |
| for (List<camera_metadata_t*>::iterator r = mEntries.begin(); |
| r != mEntries.end(); r++) { |
| result = String8::format(" Queue entry %d:\n", i); |
| write(fd, result.string(), result.size()); |
| dump_indented_camera_metadata(*r, fd, 2, 10); |
| i++; |
| } |
| } |
| |
| if (notLocked == 0) { |
| mMutex.unlock(); |
| } |
| |
| return OK; |
| } |
| |
| status_t Camera2Device::MetadataQueue::signalConsumerLocked() { |
| ATRACE_CALL(); |
| status_t res = OK; |
| notEmpty.signal(); |
| if (mSignalConsumer && mHal2Device != NULL) { |
| mSignalConsumer = false; |
| |
| mMutex.unlock(); |
| ALOGV("%s: Signaling consumer", __FUNCTION__); |
| res = mHal2Device->ops->notify_request_queue_not_empty(mHal2Device); |
| mMutex.lock(); |
| } |
| return res; |
| } |
| |
| status_t Camera2Device::MetadataQueue::freeBuffers( |
| List<camera_metadata_t*>::iterator start, |
| List<camera_metadata_t*>::iterator end) |
| { |
| ATRACE_CALL(); |
| while (start != end) { |
| free_camera_metadata(*start); |
| start = mStreamSlot.erase(start); |
| } |
| return OK; |
| } |
| |
| Camera2Device::MetadataQueue* Camera2Device::MetadataQueue::getInstance( |
| const camera2_request_queue_src_ops_t *q) |
| { |
| const MetadataQueue* cmq = static_cast<const MetadataQueue*>(q); |
| return const_cast<MetadataQueue*>(cmq); |
| } |
| |
| Camera2Device::MetadataQueue* Camera2Device::MetadataQueue::getInstance( |
| const camera2_frame_queue_dst_ops_t *q) |
| { |
| const MetadataQueue* cmq = static_cast<const MetadataQueue*>(q); |
| return const_cast<MetadataQueue*>(cmq); |
| } |
| |
| int Camera2Device::MetadataQueue::consumer_buffer_count( |
| const camera2_request_queue_src_ops_t *q) |
| { |
| MetadataQueue *queue = getInstance(q); |
| return queue->getBufferCount(); |
| } |
| |
| int Camera2Device::MetadataQueue::consumer_dequeue( |
| const camera2_request_queue_src_ops_t *q, |
| camera_metadata_t **buffer) |
| { |
| MetadataQueue *queue = getInstance(q); |
| return queue->dequeue(buffer, true); |
| } |
| |
| int Camera2Device::MetadataQueue::consumer_free( |
| const camera2_request_queue_src_ops_t *q, |
| camera_metadata_t *old_buffer) |
| { |
| ATRACE_CALL(); |
| MetadataQueue *queue = getInstance(q); |
| (void)queue; |
| free_camera_metadata(old_buffer); |
| return OK; |
| } |
| |
| int Camera2Device::MetadataQueue::producer_dequeue( |
| const camera2_frame_queue_dst_ops_t * /*q*/, |
| size_t entries, size_t bytes, |
| camera_metadata_t **buffer) |
| { |
| ATRACE_CALL(); |
| camera_metadata_t *new_buffer = |
| allocate_camera_metadata(entries, bytes); |
| if (new_buffer == NULL) return NO_MEMORY; |
| *buffer = new_buffer; |
| return OK; |
| } |
| |
| int Camera2Device::MetadataQueue::producer_cancel( |
| const camera2_frame_queue_dst_ops_t * /*q*/, |
| camera_metadata_t *old_buffer) |
| { |
| ATRACE_CALL(); |
| free_camera_metadata(old_buffer); |
| return OK; |
| } |
| |
| int Camera2Device::MetadataQueue::producer_enqueue( |
| const camera2_frame_queue_dst_ops_t *q, |
| camera_metadata_t *filled_buffer) |
| { |
| MetadataQueue *queue = getInstance(q); |
| return queue->enqueue(filled_buffer); |
| } |
| |
| /** |
| * Camera2Device::StreamAdapter |
| */ |
| |
| #ifndef container_of |
| #define container_of(ptr, type, member) \ |
| (type *)((char*)(ptr) - offsetof(type, member)) |
| #endif |
| |
| Camera2Device::StreamAdapter::StreamAdapter(camera2_device_t *d): |
| mState(RELEASED), |
| mHal2Device(d), |
| mId(-1), |
| mWidth(0), mHeight(0), mFormat(0), mSize(0), mUsage(0), |
| mMaxProducerBuffers(0), mMaxConsumerBuffers(0), |
| mTotalBuffers(0), |
| mFormatRequested(0), |
| mActiveBuffers(0), |
| mFrameCount(0), |
| mLastTimestamp(0) |
| { |
| camera2_stream_ops::dequeue_buffer = dequeue_buffer; |
| camera2_stream_ops::enqueue_buffer = enqueue_buffer; |
| camera2_stream_ops::cancel_buffer = cancel_buffer; |
| camera2_stream_ops::set_crop = set_crop; |
| } |
| |
| Camera2Device::StreamAdapter::~StreamAdapter() { |
| ATRACE_CALL(); |
| if (mState != RELEASED) { |
| release(); |
| } |
| } |
| |
| status_t Camera2Device::StreamAdapter::connectToDevice( |
| sp<ANativeWindow> consumer, |
| uint32_t width, uint32_t height, int format, size_t size) { |
| ATRACE_CALL(); |
| status_t res; |
| ALOGV("%s: E", __FUNCTION__); |
| |
| if (mState != RELEASED) return INVALID_OPERATION; |
| if (consumer == NULL) { |
| ALOGE("%s: Null consumer passed to stream adapter", __FUNCTION__); |
| return BAD_VALUE; |
| } |
| |
| ALOGV("%s: New stream parameters %d x %d, format 0x%x, size %d", |
| __FUNCTION__, width, height, format, size); |
| |
| mConsumerInterface = consumer; |
| mWidth = width; |
| mHeight = height; |
| mSize = (format == HAL_PIXEL_FORMAT_BLOB) ? size : 0; |
| mFormatRequested = format; |
| |
| // Allocate device-side stream interface |
| |
| uint32_t id; |
| uint32_t formatActual; |
| uint32_t usage; |
| uint32_t maxBuffers = 2; |
| res = mHal2Device->ops->allocate_stream(mHal2Device, |
| mWidth, mHeight, mFormatRequested, getStreamOps(), |
| &id, &formatActual, &usage, &maxBuffers); |
| if (res != OK) { |
| ALOGE("%s: Device stream allocation failed: %s (%d)", |
| __FUNCTION__, strerror(-res), res); |
| return res; |
| } |
| |
| ALOGV("%s: Allocated stream id %d, actual format 0x%x, " |
| "usage 0x%x, producer wants %d buffers", __FUNCTION__, |
| id, formatActual, usage, maxBuffers); |
| |
| mId = id; |
| mFormat = formatActual; |
| mUsage = usage; |
| mMaxProducerBuffers = maxBuffers; |
| |
| mState = ALLOCATED; |
| |
| // Configure consumer-side ANativeWindow interface |
| res = native_window_api_connect(mConsumerInterface.get(), |
| NATIVE_WINDOW_API_CAMERA); |
| if (res != OK) { |
| ALOGE("%s: Unable to connect to native window for stream %d", |
| __FUNCTION__, mId); |
| |
| return res; |
| } |
| |
| mState = CONNECTED; |
| |
| res = native_window_set_usage(mConsumerInterface.get(), mUsage); |
| if (res != OK) { |
| ALOGE("%s: Unable to configure usage %08x for stream %d", |
| __FUNCTION__, mUsage, mId); |
| return res; |
| } |
| |
| res = native_window_set_scaling_mode(mConsumerInterface.get(), |
| NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW); |
| if (res != OK) { |
| ALOGE("%s: Unable to configure stream scaling: %s (%d)", |
| __FUNCTION__, strerror(-res), res); |
| return res; |
| } |
| |
| res = setTransform(0); |
| if (res != OK) { |
| return res; |
| } |
| |
| if (mFormat == HAL_PIXEL_FORMAT_BLOB) { |
| res = native_window_set_buffers_geometry(mConsumerInterface.get(), |
| mSize, 1, mFormat); |
| if (res != OK) { |
| ALOGE("%s: Unable to configure compressed stream buffer geometry" |
| " %d x %d, size %d for stream %d", |
| __FUNCTION__, mWidth, mHeight, mSize, mId); |
| return res; |
| } |
| } else { |
| res = native_window_set_buffers_geometry(mConsumerInterface.get(), |
| mWidth, mHeight, mFormat); |
| if (res != OK) { |
| ALOGE("%s: Unable to configure stream buffer geometry" |
| " %d x %d, format 0x%x for stream %d", |
| __FUNCTION__, mWidth, mHeight, mFormat, mId); |
| return res; |
| } |
| } |
| |
| int maxConsumerBuffers; |
| res = mConsumerInterface->query(mConsumerInterface.get(), |
| NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &maxConsumerBuffers); |
| if (res != OK) { |
| ALOGE("%s: Unable to query consumer undequeued" |
| " buffer count for stream %d", __FUNCTION__, mId); |
| return res; |
| } |
| mMaxConsumerBuffers = maxConsumerBuffers; |
| |
| ALOGV("%s: Consumer wants %d buffers", __FUNCTION__, |
| mMaxConsumerBuffers); |
| |
| mTotalBuffers = mMaxConsumerBuffers + mMaxProducerBuffers; |
| mActiveBuffers = 0; |
| mFrameCount = 0; |
| mLastTimestamp = 0; |
| |
| res = native_window_set_buffer_count(mConsumerInterface.get(), |
| mTotalBuffers); |
| if (res != OK) { |
| ALOGE("%s: Unable to set buffer count for stream %d", |
| __FUNCTION__, mId); |
| return res; |
| } |
| |
| // Register allocated buffers with HAL device |
| buffer_handle_t *buffers = new buffer_handle_t[mTotalBuffers]; |
| ANativeWindowBuffer **anwBuffers = new ANativeWindowBuffer*[mTotalBuffers]; |
| uint32_t bufferIdx = 0; |
| for (; bufferIdx < mTotalBuffers; bufferIdx++) { |
| res = native_window_dequeue_buffer_and_wait(mConsumerInterface.get(), |
| &anwBuffers[bufferIdx]); |
| if (res != OK) { |
| ALOGE("%s: Unable to dequeue buffer %d for initial registration for " |
| "stream %d", __FUNCTION__, bufferIdx, mId); |
| goto cleanUpBuffers; |
| } |
| |
| buffers[bufferIdx] = anwBuffers[bufferIdx]->handle; |
| ALOGV("%s: Buffer %p allocated", __FUNCTION__, (void*)buffers[bufferIdx]); |
| } |
| |
| ALOGV("%s: Registering %d buffers with camera HAL", __FUNCTION__, mTotalBuffers); |
| res = mHal2Device->ops->register_stream_buffers(mHal2Device, |
| mId, |
| mTotalBuffers, |
| buffers); |
| if (res != OK) { |
| ALOGE("%s: Unable to register buffers with HAL device for stream %d", |
| __FUNCTION__, mId); |
| } else { |
| mState = ACTIVE; |
| } |
| |
| cleanUpBuffers: |
| ALOGV("%s: Cleaning up %d buffers", __FUNCTION__, bufferIdx); |
| for (uint32_t i = 0; i < bufferIdx; i++) { |
| res = mConsumerInterface->cancelBuffer(mConsumerInterface.get(), |
| anwBuffers[i], -1); |
| if (res != OK) { |
| ALOGE("%s: Unable to cancel buffer %d after registration", |
| __FUNCTION__, i); |
| } |
| } |
| delete[] anwBuffers; |
| delete[] buffers; |
| |
| return res; |
| } |
| |
| status_t Camera2Device::StreamAdapter::release() { |
| ATRACE_CALL(); |
| status_t res; |
| ALOGV("%s: Releasing stream %d", __FUNCTION__, mId); |
| if (mState >= ALLOCATED) { |
| res = mHal2Device->ops->release_stream(mHal2Device, mId); |
| if (res != OK) { |
| ALOGE("%s: Unable to release stream %d", |
| __FUNCTION__, mId); |
| return res; |
| } |
| } |
| if (mState >= CONNECTED) { |
| res = native_window_api_disconnect(mConsumerInterface.get(), |
| NATIVE_WINDOW_API_CAMERA); |
| |
| /* this is not an error. if client calling process dies, |
| the window will also die and all calls to it will return |
| DEAD_OBJECT, thus it's already "disconnected" */ |
| if (res == DEAD_OBJECT) { |
| ALOGW("%s: While disconnecting stream %d from native window, the" |
| " native window died from under us", __FUNCTION__, mId); |
| } |
| else if (res != OK) { |
| ALOGE("%s: Unable to disconnect stream %d from native window (error %d %s)", |
| __FUNCTION__, mId, res, strerror(-res)); |
| return res; |
| } |
| } |
| mId = -1; |
| mState = RELEASED; |
| return OK; |
| } |
| |
| status_t Camera2Device::StreamAdapter::setTransform(int transform) { |
| ATRACE_CALL(); |
| status_t res; |
| if (mState < CONNECTED) { |
| ALOGE("%s: Cannot set transform on unconnected stream", __FUNCTION__); |
| return INVALID_OPERATION; |
| } |
| res = native_window_set_buffers_transform(mConsumerInterface.get(), |
| transform); |
| if (res != OK) { |
| ALOGE("%s: Unable to configure stream transform to %x: %s (%d)", |
| __FUNCTION__, transform, strerror(-res), res); |
| } |
| return res; |
| } |
| |
| status_t Camera2Device::StreamAdapter::dump(int fd, |
| const Vector<String16>& /*args*/) { |
| ATRACE_CALL(); |
| String8 result = String8::format(" Stream %d: %d x %d, format 0x%x\n", |
| mId, mWidth, mHeight, mFormat); |
| result.appendFormat(" size %d, usage 0x%x, requested format 0x%x\n", |
| mSize, mUsage, mFormatRequested); |
| result.appendFormat(" total buffers: %d, dequeued buffers: %d\n", |
| mTotalBuffers, mActiveBuffers); |
| result.appendFormat(" frame count: %d, last timestamp %lld\n", |
| mFrameCount, mLastTimestamp); |
| write(fd, result.string(), result.size()); |
| return OK; |
| } |
| |
| const camera2_stream_ops *Camera2Device::StreamAdapter::getStreamOps() { |
| return static_cast<camera2_stream_ops *>(this); |
| } |
| |
| ANativeWindow* Camera2Device::StreamAdapter::toANW( |
| const camera2_stream_ops_t *w) { |
| return static_cast<const StreamAdapter*>(w)->mConsumerInterface.get(); |
| } |
| |
| int Camera2Device::StreamAdapter::dequeue_buffer(const camera2_stream_ops_t *w, |
| buffer_handle_t** buffer) { |
| ATRACE_CALL(); |
| int res; |
| StreamAdapter* stream = |
| const_cast<StreamAdapter*>(static_cast<const StreamAdapter*>(w)); |
| if (stream->mState != ACTIVE) { |
| ALOGE("%s: Called when in bad state: %d", __FUNCTION__, stream->mState); |
| return INVALID_OPERATION; |
| } |
| |
| ANativeWindow *a = toANW(w); |
| ANativeWindowBuffer* anb; |
| res = native_window_dequeue_buffer_and_wait(a, &anb); |
| if (res != OK) { |
| ALOGE("Stream %d dequeue: Error from native_window: %s (%d)", stream->mId, |
| strerror(-res), res); |
| return res; |
| } |
| |
| *buffer = &(anb->handle); |
| stream->mActiveBuffers++; |
| |
| ALOGVV("Stream %d dequeue: Buffer %p dequeued", stream->mId, (void*)(**buffer)); |
| return res; |
| } |
| |
| int Camera2Device::StreamAdapter::enqueue_buffer(const camera2_stream_ops_t* w, |
| int64_t timestamp, |
| buffer_handle_t* buffer) { |
| ATRACE_CALL(); |
| StreamAdapter *stream = |
| const_cast<StreamAdapter*>(static_cast<const StreamAdapter*>(w)); |
| stream->mFrameCount++; |
| ALOGVV("Stream %d enqueue: Frame %d (%p) captured at %lld ns", |
| stream->mId, stream->mFrameCount, (void*)(*buffer), timestamp); |
| int state = stream->mState; |
| if (state != ACTIVE) { |
| ALOGE("%s: Called when in bad state: %d", __FUNCTION__, state); |
| return INVALID_OPERATION; |
| } |
| ANativeWindow *a = toANW(w); |
| status_t err; |
| |
| err = native_window_set_buffers_timestamp(a, timestamp); |
| if (err != OK) { |
| ALOGE("%s: Error setting timestamp on native window: %s (%d)", |
| __FUNCTION__, strerror(-err), err); |
| return err; |
| } |
| err = a->queueBuffer(a, |
| container_of(buffer, ANativeWindowBuffer, handle), -1); |
| if (err != OK) { |
| ALOGE("%s: Error queueing buffer to native window: %s (%d)", |
| __FUNCTION__, strerror(-err), err); |
| return err; |
| } |
| |
| stream->mActiveBuffers--; |
| stream->mLastTimestamp = timestamp; |
| return OK; |
| } |
| |
| int Camera2Device::StreamAdapter::cancel_buffer(const camera2_stream_ops_t* w, |
| buffer_handle_t* buffer) { |
| ATRACE_CALL(); |
| StreamAdapter *stream = |
| const_cast<StreamAdapter*>(static_cast<const StreamAdapter*>(w)); |
| ALOGVV("Stream %d cancel: Buffer %p", |
| stream->mId, (void*)(*buffer)); |
| if (stream->mState != ACTIVE) { |
| ALOGE("%s: Called when in bad state: %d", __FUNCTION__, stream->mState); |
| return INVALID_OPERATION; |
| } |
| |
| ANativeWindow *a = toANW(w); |
| int err = a->cancelBuffer(a, |
| container_of(buffer, ANativeWindowBuffer, handle), -1); |
| if (err != OK) { |
| ALOGE("%s: Error canceling buffer to native window: %s (%d)", |
| __FUNCTION__, strerror(-err), err); |
| return err; |
| } |
| |
| stream->mActiveBuffers--; |
| return OK; |
| } |
| |
| int Camera2Device::StreamAdapter::set_crop(const camera2_stream_ops_t* w, |
| int left, int top, int right, int bottom) { |
| ATRACE_CALL(); |
| int state = static_cast<const StreamAdapter*>(w)->mState; |
| if (state != ACTIVE) { |
| ALOGE("%s: Called when in bad state: %d", __FUNCTION__, state); |
| return INVALID_OPERATION; |
| } |
| ANativeWindow *a = toANW(w); |
| android_native_rect_t crop = { left, top, right, bottom }; |
| return native_window_set_crop(a, &crop); |
| } |
| |
| /** |
| * Camera2Device::ReprocessStreamAdapter |
| */ |
| |
| #ifndef container_of |
| #define container_of(ptr, type, member) \ |
| (type *)((char*)(ptr) - offsetof(type, member)) |
| #endif |
| |
| Camera2Device::ReprocessStreamAdapter::ReprocessStreamAdapter(camera2_device_t *d): |
| mState(RELEASED), |
| mHal2Device(d), |
| mId(-1), |
| mWidth(0), mHeight(0), mFormat(0), |
| mActiveBuffers(0), |
| mFrameCount(0) |
| { |
| ATRACE_CALL(); |
| camera2_stream_in_ops::acquire_buffer = acquire_buffer; |
| camera2_stream_in_ops::release_buffer = release_buffer; |
| } |
| |
| Camera2Device::ReprocessStreamAdapter::~ReprocessStreamAdapter() { |
| ATRACE_CALL(); |
| if (mState != RELEASED) { |
| release(); |
| } |
| } |
| |
| status_t Camera2Device::ReprocessStreamAdapter::connectToDevice( |
| const sp<StreamAdapter> &outputStream) { |
| ATRACE_CALL(); |
| status_t res; |
| ALOGV("%s: E", __FUNCTION__); |
| |
| if (mState != RELEASED) return INVALID_OPERATION; |
| if (outputStream == NULL) { |
| ALOGE("%s: Null base stream passed to reprocess stream adapter", |
| __FUNCTION__); |
| return BAD_VALUE; |
| } |
| |
| mBaseStream = outputStream; |
| mWidth = outputStream->getWidth(); |
| mHeight = outputStream->getHeight(); |
| mFormat = outputStream->getFormat(); |
| |
| ALOGV("%s: New reprocess stream parameters %d x %d, format 0x%x", |
| __FUNCTION__, mWidth, mHeight, mFormat); |
| |
| // Allocate device-side stream interface |
| |
| uint32_t id; |
| res = mHal2Device->ops->allocate_reprocess_stream_from_stream(mHal2Device, |
| outputStream->getId(), getStreamOps(), |
| &id); |
| if (res != OK) { |
| ALOGE("%s: Device reprocess stream allocation failed: %s (%d)", |
| __FUNCTION__, strerror(-res), res); |
| return res; |
| } |
| |
| ALOGV("%s: Allocated reprocess stream id %d based on stream %d", |
| __FUNCTION__, id, outputStream->getId()); |
| |
| mId = id; |
| |
| mState = ACTIVE; |
| |
| return OK; |
| } |
| |
| status_t Camera2Device::ReprocessStreamAdapter::release() { |
| ATRACE_CALL(); |
| status_t res; |
| ALOGV("%s: Releasing stream %d", __FUNCTION__, mId); |
| if (mState >= ACTIVE) { |
| res = mHal2Device->ops->release_reprocess_stream(mHal2Device, mId); |
| if (res != OK) { |
| ALOGE("%s: Unable to release stream %d", |
| __FUNCTION__, mId); |
| return res; |
| } |
| } |
| |
| List<QueueEntry>::iterator s; |
| for (s = mQueue.begin(); s != mQueue.end(); s++) { |
| sp<BufferReleasedListener> listener = s->releaseListener.promote(); |
| if (listener != 0) listener->onBufferReleased(s->handle); |
| } |
| for (s = mInFlightQueue.begin(); s != mInFlightQueue.end(); s++) { |
| sp<BufferReleasedListener> listener = s->releaseListener.promote(); |
| if (listener != 0) listener->onBufferReleased(s->handle); |
| } |
| mQueue.clear(); |
| mInFlightQueue.clear(); |
| |
| mState = RELEASED; |
| return OK; |
| } |
| |
| status_t Camera2Device::ReprocessStreamAdapter::pushIntoStream( |
| buffer_handle_t *handle, const wp<BufferReleasedListener> &releaseListener) { |
| ATRACE_CALL(); |
| // TODO: Some error checking here would be nice |
| ALOGV("%s: Pushing buffer %p to stream", __FUNCTION__, (void*)(*handle)); |
| |
| QueueEntry entry; |
| entry.handle = handle; |
| entry.releaseListener = releaseListener; |
| mQueue.push_back(entry); |
| return OK; |
| } |
| |
| status_t Camera2Device::ReprocessStreamAdapter::dump(int fd, |
| const Vector<String16>& /*args*/) { |
| ATRACE_CALL(); |
| String8 result = |
| String8::format(" Reprocess stream %d: %d x %d, fmt 0x%x\n", |
| mId, mWidth, mHeight, mFormat); |
| result.appendFormat(" acquired buffers: %d\n", |
| mActiveBuffers); |
| result.appendFormat(" frame count: %d\n", |
| mFrameCount); |
| write(fd, result.string(), result.size()); |
| return OK; |
| } |
| |
| const camera2_stream_in_ops *Camera2Device::ReprocessStreamAdapter::getStreamOps() { |
| return static_cast<camera2_stream_in_ops *>(this); |
| } |
| |
| int Camera2Device::ReprocessStreamAdapter::acquire_buffer( |
| const camera2_stream_in_ops_t *w, |
| buffer_handle_t** buffer) { |
| ATRACE_CALL(); |
| |
| ReprocessStreamAdapter* stream = |
| const_cast<ReprocessStreamAdapter*>( |
| static_cast<const ReprocessStreamAdapter*>(w)); |
| if (stream->mState != ACTIVE) { |
| ALOGE("%s: Called when in bad state: %d", __FUNCTION__, stream->mState); |
| return INVALID_OPERATION; |
| } |
| |
| if (stream->mQueue.empty()) { |
| *buffer = NULL; |
| return OK; |
| } |
| |
| QueueEntry &entry = *(stream->mQueue.begin()); |
| |
| *buffer = entry.handle; |
| |
| stream->mInFlightQueue.push_back(entry); |
| stream->mQueue.erase(stream->mQueue.begin()); |
| |
| stream->mActiveBuffers++; |
| |
| ALOGV("Stream %d acquire: Buffer %p acquired", stream->mId, |
| (void*)(**buffer)); |
| return OK; |
| } |
| |
| int Camera2Device::ReprocessStreamAdapter::release_buffer( |
| const camera2_stream_in_ops_t* w, |
| buffer_handle_t* buffer) { |
| ATRACE_CALL(); |
| ReprocessStreamAdapter *stream = |
| const_cast<ReprocessStreamAdapter*>( |
| static_cast<const ReprocessStreamAdapter*>(w) ); |
| stream->mFrameCount++; |
| ALOGV("Reprocess stream %d release: Frame %d (%p)", |
| stream->mId, stream->mFrameCount, (void*)*buffer); |
| int state = stream->mState; |
| if (state != ACTIVE) { |
| ALOGE("%s: Called when in bad state: %d", __FUNCTION__, state); |
| return INVALID_OPERATION; |
| } |
| stream->mActiveBuffers--; |
| |
| List<QueueEntry>::iterator s; |
| for (s = stream->mInFlightQueue.begin(); s != stream->mInFlightQueue.end(); s++) { |
| if ( s->handle == buffer ) break; |
| } |
| if (s == stream->mInFlightQueue.end()) { |
| ALOGE("%s: Can't find buffer %p in in-flight list!", __FUNCTION__, |
| buffer); |
| return INVALID_OPERATION; |
| } |
| |
| sp<BufferReleasedListener> listener = s->releaseListener.promote(); |
| if (listener != 0) { |
| listener->onBufferReleased(s->handle); |
| } else { |
| ALOGE("%s: Can't free buffer - missing listener", __FUNCTION__); |
| } |
| stream->mInFlightQueue.erase(s); |
| |
| return OK; |
| } |
| |
| }; // namespace android |
