| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "Camera3-OutputStream" |
| #define ATRACE_TAG ATRACE_TAG_CAMERA |
| //#define LOG_NDEBUG 0 |
| |
| #include <utils/Log.h> |
| #include <utils/Trace.h> |
| #include "Camera3OutputStream.h" |
| |
| #ifndef container_of |
| #define container_of(ptr, type, member) \ |
| (type *)((char*)(ptr) - offsetof(type, member)) |
| #endif |
| |
| namespace android { |
| |
| namespace camera3 { |
| |
| Camera3OutputStream::Camera3OutputStream(int id, |
| sp<Surface> consumer, |
| uint32_t width, uint32_t height, int format, |
| android_dataspace dataSpace, camera3_stream_rotation_t rotation, |
| nsecs_t timestampOffset, int setId) : |
| Camera3IOStreamBase(id, CAMERA3_STREAM_OUTPUT, width, height, |
| /*maxSize*/0, format, dataSpace, rotation, setId), |
| mConsumer(consumer), |
| mTransform(0), |
| mTraceFirstBuffer(true), |
| mUseBufferManager(false), |
| mTimestampOffset(timestampOffset), |
| mConsumerUsage(0), |
| mDequeueBufferLatency(kDequeueLatencyBinSize) { |
| |
| if (mConsumer == NULL) { |
| ALOGE("%s: Consumer is NULL!", __FUNCTION__); |
| mState = STATE_ERROR; |
| } |
| |
| if (setId > CAMERA3_STREAM_SET_ID_INVALID) { |
| mBufferReleasedListener = new BufferReleasedListener(this); |
| } |
| } |
| |
| Camera3OutputStream::Camera3OutputStream(int id, |
| sp<Surface> consumer, |
| uint32_t width, uint32_t height, size_t maxSize, int format, |
| android_dataspace dataSpace, camera3_stream_rotation_t rotation, |
| nsecs_t timestampOffset, int setId) : |
| Camera3IOStreamBase(id, CAMERA3_STREAM_OUTPUT, width, height, maxSize, |
| format, dataSpace, rotation, setId), |
| mConsumer(consumer), |
| mTransform(0), |
| mTraceFirstBuffer(true), |
| mUseMonoTimestamp(false), |
| mUseBufferManager(false), |
| mTimestampOffset(timestampOffset), |
| mConsumerUsage(0), |
| mDequeueBufferLatency(kDequeueLatencyBinSize) { |
| |
| if (format != HAL_PIXEL_FORMAT_BLOB && format != HAL_PIXEL_FORMAT_RAW_OPAQUE) { |
| ALOGE("%s: Bad format for size-only stream: %d", __FUNCTION__, |
| format); |
| mState = STATE_ERROR; |
| } |
| |
| if (mConsumer == NULL) { |
| ALOGE("%s: Consumer is NULL!", __FUNCTION__); |
| mState = STATE_ERROR; |
| } |
| |
| if (setId > CAMERA3_STREAM_SET_ID_INVALID) { |
| mBufferReleasedListener = new BufferReleasedListener(this); |
| } |
| } |
| |
| Camera3OutputStream::Camera3OutputStream(int id, |
| uint32_t width, uint32_t height, int format, |
| uint64_t consumerUsage, android_dataspace dataSpace, |
| camera3_stream_rotation_t rotation, nsecs_t timestampOffset, int setId) : |
| Camera3IOStreamBase(id, CAMERA3_STREAM_OUTPUT, width, height, |
| /*maxSize*/0, format, dataSpace, rotation, setId), |
| mConsumer(nullptr), |
| mTransform(0), |
| mTraceFirstBuffer(true), |
| mUseBufferManager(false), |
| mTimestampOffset(timestampOffset), |
| mConsumerUsage(consumerUsage), |
| mDequeueBufferLatency(kDequeueLatencyBinSize) { |
| // Deferred consumer only support preview surface format now. |
| if (format != HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) { |
| ALOGE("%s: Deferred consumer only supports IMPLEMENTATION_DEFINED format now!", |
| __FUNCTION__); |
| mState = STATE_ERROR; |
| } |
| |
| // Sanity check for the consumer usage flag. |
| if ((consumerUsage & GraphicBuffer::USAGE_HW_TEXTURE) == 0 && |
| (consumerUsage & GraphicBuffer::USAGE_HW_COMPOSER) == 0) { |
| ALOGE("%s: Deferred consumer usage flag is illegal %" PRIu64 "!", |
| __FUNCTION__, consumerUsage); |
| mState = STATE_ERROR; |
| } |
| |
| mConsumerName = String8("Deferred"); |
| if (setId > CAMERA3_STREAM_SET_ID_INVALID) { |
| mBufferReleasedListener = new BufferReleasedListener(this); |
| } |
| |
| } |
| |
| Camera3OutputStream::Camera3OutputStream(int id, camera3_stream_type_t type, |
| uint32_t width, uint32_t height, |
| int format, |
| android_dataspace dataSpace, |
| camera3_stream_rotation_t rotation, |
| uint64_t consumerUsage, nsecs_t timestampOffset, |
| int setId) : |
| Camera3IOStreamBase(id, type, width, height, |
| /*maxSize*/0, |
| format, dataSpace, rotation, setId), |
| mTransform(0), |
| mTraceFirstBuffer(true), |
| mUseMonoTimestamp(false), |
| mUseBufferManager(false), |
| mTimestampOffset(timestampOffset), |
| mConsumerUsage(consumerUsage), |
| mDequeueBufferLatency(kDequeueLatencyBinSize) { |
| |
| if (setId > CAMERA3_STREAM_SET_ID_INVALID) { |
| mBufferReleasedListener = new BufferReleasedListener(this); |
| } |
| |
| // Subclasses expected to initialize mConsumer themselves |
| } |
| |
| |
| Camera3OutputStream::~Camera3OutputStream() { |
| disconnectLocked(); |
| } |
| |
| status_t Camera3OutputStream::getBufferLocked(camera3_stream_buffer *buffer, |
| const std::vector<size_t>&) { |
| ATRACE_CALL(); |
| |
| ANativeWindowBuffer* anb; |
| int fenceFd = -1; |
| |
| status_t res; |
| res = getBufferLockedCommon(&anb, &fenceFd); |
| if (res != OK) { |
| return res; |
| } |
| |
| /** |
| * FenceFD now owned by HAL except in case of error, |
| * in which case we reassign it to acquire_fence |
| */ |
| handoutBufferLocked(*buffer, &(anb->handle), /*acquireFence*/fenceFd, |
| /*releaseFence*/-1, CAMERA3_BUFFER_STATUS_OK, /*output*/true); |
| |
| return OK; |
| } |
| |
| status_t Camera3OutputStream::queueBufferToConsumer(sp<ANativeWindow>& consumer, |
| ANativeWindowBuffer* buffer, int anwReleaseFence) { |
| return consumer->queueBuffer(consumer.get(), buffer, anwReleaseFence); |
| } |
| |
| status_t Camera3OutputStream::returnBufferLocked( |
| const camera3_stream_buffer &buffer, |
| nsecs_t timestamp) { |
| ATRACE_CALL(); |
| |
| status_t res = returnAnyBufferLocked(buffer, timestamp, /*output*/true); |
| |
| if (res != OK) { |
| return res; |
| } |
| |
| mLastTimestamp = timestamp; |
| mFrameCount++; |
| |
| return OK; |
| } |
| |
| status_t Camera3OutputStream::returnBufferCheckedLocked( |
| const camera3_stream_buffer &buffer, |
| nsecs_t timestamp, |
| bool output, |
| /*out*/ |
| sp<Fence> *releaseFenceOut) { |
| |
| (void)output; |
| ALOG_ASSERT(output, "Expected output to be true"); |
| |
| status_t res; |
| |
| // Fence management - always honor release fence from HAL |
| sp<Fence> releaseFence = new Fence(buffer.release_fence); |
| int anwReleaseFence = releaseFence->dup(); |
| |
| /** |
| * Release the lock briefly to avoid deadlock with |
| * StreamingProcessor::startStream -> Camera3Stream::isConfiguring (this |
| * thread will go into StreamingProcessor::onFrameAvailable) during |
| * queueBuffer |
| */ |
| sp<ANativeWindow> currentConsumer = mConsumer; |
| mLock.unlock(); |
| |
| ANativeWindowBuffer *anwBuffer = container_of(buffer.buffer, ANativeWindowBuffer, handle); |
| /** |
| * Return buffer back to ANativeWindow |
| */ |
| if (buffer.status == CAMERA3_BUFFER_STATUS_ERROR) { |
| // Cancel buffer |
| ALOGW("A frame is dropped for stream %d", mId); |
| res = currentConsumer->cancelBuffer(currentConsumer.get(), |
| anwBuffer, |
| anwReleaseFence); |
| if (res != OK) { |
| ALOGE("%s: Stream %d: Error cancelling buffer to native window:" |
| " %s (%d)", __FUNCTION__, mId, strerror(-res), res); |
| } |
| |
| notifyBufferReleased(anwBuffer); |
| if (mUseBufferManager) { |
| // Return this buffer back to buffer manager. |
| mBufferReleasedListener->onBufferReleased(); |
| } |
| } else { |
| if (mTraceFirstBuffer && (stream_type == CAMERA3_STREAM_OUTPUT)) { |
| { |
| char traceLog[48]; |
| snprintf(traceLog, sizeof(traceLog), "Stream %d: first full buffer\n", mId); |
| ATRACE_NAME(traceLog); |
| } |
| mTraceFirstBuffer = false; |
| } |
| |
| /* Certain consumers (such as AudioSource or HardwareComposer) use |
| * MONOTONIC time, causing time misalignment if camera timestamp is |
| * in BOOTTIME. Do the conversion if necessary. */ |
| res = native_window_set_buffers_timestamp(mConsumer.get(), |
| mUseMonoTimestamp ? timestamp - mTimestampOffset : timestamp); |
| if (res != OK) { |
| ALOGE("%s: Stream %d: Error setting timestamp: %s (%d)", |
| __FUNCTION__, mId, strerror(-res), res); |
| return res; |
| } |
| |
| res = queueBufferToConsumer(currentConsumer, anwBuffer, anwReleaseFence); |
| if (res != OK) { |
| ALOGE("%s: Stream %d: Error queueing buffer to native window: " |
| "%s (%d)", __FUNCTION__, mId, strerror(-res), res); |
| } |
| } |
| mLock.lock(); |
| |
| // Once a valid buffer has been returned to the queue, can no longer |
| // dequeue all buffers for preallocation. |
| if (buffer.status != CAMERA3_BUFFER_STATUS_ERROR) { |
| mStreamUnpreparable = true; |
| } |
| |
| if (res != OK) { |
| close(anwReleaseFence); |
| } |
| |
| *releaseFenceOut = releaseFence; |
| |
| return res; |
| } |
| |
| void Camera3OutputStream::dump(int fd, const Vector<String16> &args) const { |
| (void) args; |
| String8 lines; |
| lines.appendFormat(" Stream[%d]: Output\n", mId); |
| lines.appendFormat(" Consumer name: %s\n", mConsumerName.string()); |
| write(fd, lines.string(), lines.size()); |
| |
| Camera3IOStreamBase::dump(fd, args); |
| |
| mDequeueBufferLatency.dump(fd, |
| " DequeueBuffer latency histogram:"); |
| } |
| |
| status_t Camera3OutputStream::setTransform(int transform) { |
| ATRACE_CALL(); |
| Mutex::Autolock l(mLock); |
| return setTransformLocked(transform); |
| } |
| |
| status_t Camera3OutputStream::setTransformLocked(int transform) { |
| status_t res = OK; |
| if (mState == STATE_ERROR) { |
| ALOGE("%s: Stream in error state", __FUNCTION__); |
| return INVALID_OPERATION; |
| } |
| |
| mTransform = transform; |
| if (mState == STATE_CONFIGURED) { |
| res = native_window_set_buffers_transform(mConsumer.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 Camera3OutputStream::configureQueueLocked() { |
| status_t res; |
| |
| mTraceFirstBuffer = true; |
| if ((res = Camera3IOStreamBase::configureQueueLocked()) != OK) { |
| return res; |
| } |
| |
| if ((res = configureConsumerQueueLocked()) != OK) { |
| return res; |
| } |
| |
| // Set dequeueBuffer/attachBuffer timeout if the consumer is not hw composer or hw texture. |
| // We need skip these cases as timeout will disable the non-blocking (async) mode. |
| if (!(isConsumedByHWComposer() || isConsumedByHWTexture())) { |
| mConsumer->setDequeueTimeout(kDequeueBufferTimeout); |
| } |
| |
| return OK; |
| } |
| |
| status_t Camera3OutputStream::configureConsumerQueueLocked() { |
| status_t res; |
| |
| mTraceFirstBuffer = true; |
| |
| ALOG_ASSERT(mConsumer != 0, "mConsumer should never be NULL"); |
| |
| // Configure consumer-side ANativeWindow interface. The listener may be used |
| // to notify buffer manager (if it is used) of the returned buffers. |
| res = mConsumer->connect(NATIVE_WINDOW_API_CAMERA, |
| /*listener*/mBufferReleasedListener, |
| /*reportBufferRemoval*/true); |
| if (res != OK) { |
| ALOGE("%s: Unable to connect to native window for stream %d", |
| __FUNCTION__, mId); |
| return res; |
| } |
| |
| mConsumerName = mConsumer->getConsumerName(); |
| |
| res = native_window_set_usage(mConsumer.get(), mUsage); |
| if (res != OK) { |
| ALOGE("%s: Unable to configure usage %" PRIu64 " for stream %d", |
| __FUNCTION__, mUsage, mId); |
| return res; |
| } |
| |
| res = native_window_set_scaling_mode(mConsumer.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; |
| } |
| |
| if (mMaxSize == 0) { |
| // For buffers of known size |
| res = native_window_set_buffers_dimensions(mConsumer.get(), |
| camera3_stream::width, camera3_stream::height); |
| } else { |
| // For buffers with bounded size |
| res = native_window_set_buffers_dimensions(mConsumer.get(), |
| mMaxSize, 1); |
| } |
| if (res != OK) { |
| ALOGE("%s: Unable to configure stream buffer dimensions" |
| " %d x %d (maxSize %zu) for stream %d", |
| __FUNCTION__, camera3_stream::width, camera3_stream::height, |
| mMaxSize, mId); |
| return res; |
| } |
| res = native_window_set_buffers_format(mConsumer.get(), |
| camera3_stream::format); |
| if (res != OK) { |
| ALOGE("%s: Unable to configure stream buffer format %#x for stream %d", |
| __FUNCTION__, camera3_stream::format, mId); |
| return res; |
| } |
| |
| res = native_window_set_buffers_data_space(mConsumer.get(), |
| camera3_stream::data_space); |
| if (res != OK) { |
| ALOGE("%s: Unable to configure stream dataspace %#x for stream %d", |
| __FUNCTION__, camera3_stream::data_space, mId); |
| return res; |
| } |
| |
| int maxConsumerBuffers; |
| res = static_cast<ANativeWindow*>(mConsumer.get())->query( |
| mConsumer.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; |
| } |
| |
| ALOGV("%s: Consumer wants %d buffers, HAL wants %d", __FUNCTION__, |
| maxConsumerBuffers, camera3_stream::max_buffers); |
| if (camera3_stream::max_buffers == 0) { |
| ALOGE("%s: Camera HAL requested max_buffer count: %d, requires at least 1", |
| __FUNCTION__, camera3_stream::max_buffers); |
| return INVALID_OPERATION; |
| } |
| |
| mTotalBufferCount = maxConsumerBuffers + camera3_stream::max_buffers; |
| mHandoutTotalBufferCount = 0; |
| mFrameCount = 0; |
| mLastTimestamp = 0; |
| mUseMonoTimestamp = (isConsumedByHWComposer() | isVideoStream()); |
| |
| res = native_window_set_buffer_count(mConsumer.get(), |
| mTotalBufferCount); |
| if (res != OK) { |
| ALOGE("%s: Unable to set buffer count for stream %d", |
| __FUNCTION__, mId); |
| return res; |
| } |
| |
| res = native_window_set_buffers_transform(mConsumer.get(), |
| mTransform); |
| if (res != OK) { |
| ALOGE("%s: Unable to configure stream transform to %x: %s (%d)", |
| __FUNCTION__, mTransform, strerror(-res), res); |
| return res; |
| } |
| |
| /** |
| * Camera3 Buffer manager is only supported by HAL3.3 onwards, as the older HALs requires |
| * buffers to be statically allocated for internal static buffer registration, while the |
| * buffers provided by buffer manager are really dynamically allocated. Camera3Device only |
| * sets the mBufferManager if device version is > HAL3.2, which guarantees that the buffer |
| * manager setup is skipped in below code. Note that HAL3.2 is also excluded here, as some |
| * HAL3.2 devices may not support the dynamic buffer registeration. |
| */ |
| if (mBufferManager != 0 && mSetId > CAMERA3_STREAM_SET_ID_INVALID) { |
| uint64_t consumerUsage = 0; |
| getEndpointUsage(&consumerUsage); |
| StreamInfo streamInfo( |
| getId(), getStreamSetId(), getWidth(), getHeight(), getFormat(), getDataSpace(), |
| mUsage | consumerUsage, mTotalBufferCount, |
| /*isConfigured*/true); |
| wp<Camera3OutputStream> weakThis(this); |
| res = mBufferManager->registerStream(weakThis, |
| streamInfo); |
| if (res == OK) { |
| // Disable buffer allocation for this BufferQueue, buffer manager will take over |
| // the buffer allocation responsibility. |
| mConsumer->getIGraphicBufferProducer()->allowAllocation(false); |
| mUseBufferManager = true; |
| } else { |
| ALOGE("%s: Unable to register stream %d to camera3 buffer manager, " |
| "(error %d %s), fall back to BufferQueue for buffer management!", |
| __FUNCTION__, mId, res, strerror(-res)); |
| } |
| } |
| |
| return OK; |
| } |
| |
| status_t Camera3OutputStream::getBufferLockedCommon(ANativeWindowBuffer** anb, int* fenceFd) { |
| ATRACE_CALL(); |
| status_t res; |
| |
| if ((res = getBufferPreconditionCheckLocked()) != OK) { |
| return res; |
| } |
| |
| bool gotBufferFromManager = false; |
| |
| if (mUseBufferManager) { |
| sp<GraphicBuffer> gb; |
| res = mBufferManager->getBufferForStream(getId(), getStreamSetId(), &gb, fenceFd); |
| if (res == OK) { |
| // Attach this buffer to the bufferQueue: the buffer will be in dequeue state after a |
| // successful return. |
| *anb = gb.get(); |
| res = mConsumer->attachBuffer(*anb); |
| if (res != OK) { |
| ALOGE("%s: Stream %d: Can't attach the output buffer to this surface: %s (%d)", |
| __FUNCTION__, mId, strerror(-res), res); |
| return res; |
| } |
| gotBufferFromManager = true; |
| ALOGV("Stream %d: Attached new buffer", getId()); |
| } else if (res == ALREADY_EXISTS) { |
| // Have sufficient free buffers already attached, can just |
| // dequeue from buffer queue |
| ALOGV("Stream %d: Reusing attached buffer", getId()); |
| gotBufferFromManager = false; |
| } else if (res != OK) { |
| ALOGE("%s: Stream %d: Can't get next output buffer from buffer manager: %s (%d)", |
| __FUNCTION__, mId, strerror(-res), res); |
| return res; |
| } |
| } |
| if (!gotBufferFromManager) { |
| /** |
| * Release the lock briefly to avoid deadlock for below scenario: |
| * Thread 1: StreamingProcessor::startStream -> Camera3Stream::isConfiguring(). |
| * This thread acquired StreamingProcessor lock and try to lock Camera3Stream lock. |
| * Thread 2: Camera3Stream::returnBuffer->StreamingProcessor::onFrameAvailable(). |
| * This thread acquired Camera3Stream lock and bufferQueue lock, and try to lock |
| * StreamingProcessor lock. |
| * Thread 3: Camera3Stream::getBuffer(). This thread acquired Camera3Stream lock |
| * and try to lock bufferQueue lock. |
| * Then there is circular locking dependency. |
| */ |
| sp<ANativeWindow> currentConsumer = mConsumer; |
| mLock.unlock(); |
| |
| nsecs_t dequeueStart = systemTime(SYSTEM_TIME_MONOTONIC); |
| res = currentConsumer->dequeueBuffer(currentConsumer.get(), anb, fenceFd); |
| nsecs_t dequeueEnd = systemTime(SYSTEM_TIME_MONOTONIC); |
| mDequeueBufferLatency.add(dequeueStart, dequeueEnd); |
| |
| mLock.lock(); |
| if (res != OK) { |
| ALOGE("%s: Stream %d: Can't dequeue next output buffer: %s (%d)", |
| __FUNCTION__, mId, strerror(-res), res); |
| |
| // Only transition to STATE_ABANDONED from STATE_CONFIGURED. (If it is STATE_PREPARING, |
| // let prepareNextBuffer handle the error.) |
| if (res == NO_INIT && mState == STATE_CONFIGURED) { |
| mState = STATE_ABANDONED; |
| } |
| |
| return res; |
| } |
| } |
| |
| if (res == OK) { |
| std::vector<sp<GraphicBuffer>> removedBuffers; |
| res = mConsumer->getAndFlushRemovedBuffers(&removedBuffers); |
| if (res == OK) { |
| onBuffersRemovedLocked(removedBuffers); |
| |
| if (mUseBufferManager && removedBuffers.size() > 0) { |
| mBufferManager->onBuffersRemoved(getId(), getStreamSetId(), removedBuffers.size()); |
| } |
| } |
| } |
| |
| return res; |
| } |
| |
| status_t Camera3OutputStream::disconnectLocked() { |
| status_t res; |
| |
| if ((res = Camera3IOStreamBase::disconnectLocked()) != OK) { |
| return res; |
| } |
| |
| // Stream configuration was not finished (can only be in STATE_IN_CONFIG or STATE_CONSTRUCTED |
| // state), don't need change the stream state, return OK. |
| if (mConsumer == nullptr) { |
| return OK; |
| } |
| |
| ALOGV("%s: disconnecting stream %d from native window", __FUNCTION__, getId()); |
| |
| res = native_window_api_disconnect(mConsumer.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)); |
| mState = STATE_ERROR; |
| return res; |
| } |
| |
| // Since device is already idle, there is no getBuffer call to buffer manager, unregister the |
| // stream at this point should be safe. |
| if (mUseBufferManager) { |
| res = mBufferManager->unregisterStream(getId(), getStreamSetId()); |
| if (res != OK) { |
| ALOGE("%s: Unable to unregister stream %d from buffer manager " |
| "(error %d %s)", __FUNCTION__, mId, res, strerror(-res)); |
| mState = STATE_ERROR; |
| return res; |
| } |
| // Note that, to make prepare/teardown case work, we must not mBufferManager.clear(), as |
| // the stream is still in usable state after this call. |
| mUseBufferManager = false; |
| } |
| |
| mState = (mState == STATE_IN_RECONFIG) ? STATE_IN_CONFIG |
| : STATE_CONSTRUCTED; |
| |
| mDequeueBufferLatency.log("Stream %d dequeueBuffer latency histogram", mId); |
| mDequeueBufferLatency.reset(); |
| return OK; |
| } |
| |
| status_t Camera3OutputStream::getEndpointUsage(uint64_t *usage) const { |
| |
| status_t res; |
| |
| if (mConsumer == nullptr) { |
| // mConsumerUsage was sanitized before the Camera3OutputStream was constructed. |
| *usage = mConsumerUsage; |
| return OK; |
| } |
| |
| res = getEndpointUsageForSurface(usage, mConsumer); |
| |
| return res; |
| } |
| |
| status_t Camera3OutputStream::getEndpointUsageForSurface(uint64_t *usage, |
| const sp<Surface>& surface) const { |
| status_t res; |
| uint64_t u = 0; |
| |
| res = native_window_get_consumer_usage(static_cast<ANativeWindow*>(surface.get()), &u); |
| // If an opaque output stream's endpoint is ImageReader, add |
| // GRALLOC_USAGE_HW_CAMERA_ZSL to the usage so HAL knows it will be used |
| // for the ZSL use case. |
| // Assume it's for ImageReader if the consumer usage doesn't have any of these bits set: |
| // 1. GRALLOC_USAGE_HW_TEXTURE |
| // 2. GRALLOC_USAGE_HW_RENDER |
| // 3. GRALLOC_USAGE_HW_COMPOSER |
| // 4. GRALLOC_USAGE_HW_VIDEO_ENCODER |
| if (camera3_stream::format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED && |
| (u & (GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_HW_RENDER | |
| GRALLOC_USAGE_HW_COMPOSER | GRALLOC_USAGE_HW_VIDEO_ENCODER)) == 0) { |
| u |= GRALLOC_USAGE_HW_CAMERA_ZSL; |
| } |
| |
| *usage = u; |
| return res; |
| } |
| |
| bool Camera3OutputStream::isVideoStream() const { |
| uint64_t usage = 0; |
| status_t res = getEndpointUsage(&usage); |
| if (res != OK) { |
| ALOGE("%s: getting end point usage failed: %s (%d).", __FUNCTION__, strerror(-res), res); |
| return false; |
| } |
| |
| return (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER) != 0; |
| } |
| |
| status_t Camera3OutputStream::setBufferManager(sp<Camera3BufferManager> bufferManager) { |
| Mutex::Autolock l(mLock); |
| if (mState != STATE_CONSTRUCTED) { |
| ALOGE("%s: this method can only be called when stream in CONSTRUCTED state.", |
| __FUNCTION__); |
| return INVALID_OPERATION; |
| } |
| mBufferManager = bufferManager; |
| |
| return OK; |
| } |
| |
| void Camera3OutputStream::BufferReleasedListener::onBufferReleased() { |
| sp<Camera3OutputStream> stream = mParent.promote(); |
| if (stream == nullptr) { |
| ALOGV("%s: Parent camera3 output stream was destroyed", __FUNCTION__); |
| return; |
| } |
| |
| Mutex::Autolock l(stream->mLock); |
| if (!(stream->mUseBufferManager)) { |
| return; |
| } |
| |
| ALOGV("Stream %d: Buffer released", stream->getId()); |
| bool shouldFreeBuffer = false; |
| status_t res = stream->mBufferManager->onBufferReleased( |
| stream->getId(), stream->getStreamSetId(), &shouldFreeBuffer); |
| if (res != OK) { |
| ALOGE("%s: signaling buffer release to buffer manager failed: %s (%d).", __FUNCTION__, |
| strerror(-res), res); |
| stream->mState = STATE_ERROR; |
| } |
| |
| if (shouldFreeBuffer) { |
| sp<GraphicBuffer> buffer; |
| // Detach and free a buffer (when buffer goes out of scope) |
| stream->detachBufferLocked(&buffer, /*fenceFd*/ nullptr); |
| if (buffer.get() != nullptr) { |
| stream->mBufferManager->notifyBufferRemoved( |
| stream->getId(), stream->getStreamSetId()); |
| } |
| } |
| } |
| |
| void Camera3OutputStream::onBuffersRemovedLocked( |
| const std::vector<sp<GraphicBuffer>>& removedBuffers) { |
| sp<Camera3StreamBufferFreedListener> callback = mBufferFreedListener.promote(); |
| if (callback != nullptr) { |
| for (auto gb : removedBuffers) { |
| callback->onBufferFreed(mId, gb->handle); |
| } |
| } |
| } |
| |
| status_t Camera3OutputStream::detachBuffer(sp<GraphicBuffer>* buffer, int* fenceFd) { |
| Mutex::Autolock l(mLock); |
| return detachBufferLocked(buffer, fenceFd); |
| } |
| |
| status_t Camera3OutputStream::detachBufferLocked(sp<GraphicBuffer>* buffer, int* fenceFd) { |
| ALOGV("Stream %d: detachBuffer", getId()); |
| if (buffer == nullptr) { |
| return BAD_VALUE; |
| } |
| |
| sp<Fence> fence; |
| status_t res = mConsumer->detachNextBuffer(buffer, &fence); |
| if (res == NO_MEMORY) { |
| // This may rarely happen, which indicates that the released buffer was freed by other |
| // call (e.g., attachBuffer, dequeueBuffer etc.) before reaching here. We should notify the |
| // buffer manager that this buffer has been freed. It's not fatal, but should be avoided, |
| // therefore log a warning. |
| *buffer = 0; |
| ALOGW("%s: the released buffer has already been freed by the buffer queue!", __FUNCTION__); |
| } else if (res != OK) { |
| // Treat other errors as abandonment |
| ALOGE("%s: detach next buffer failed: %s (%d).", __FUNCTION__, strerror(-res), res); |
| mState = STATE_ABANDONED; |
| return res; |
| } |
| |
| if (fenceFd != nullptr) { |
| if (fence!= 0 && fence->isValid()) { |
| *fenceFd = fence->dup(); |
| } else { |
| *fenceFd = -1; |
| } |
| } |
| |
| std::vector<sp<GraphicBuffer>> removedBuffers; |
| res = mConsumer->getAndFlushRemovedBuffers(&removedBuffers); |
| if (res == OK) { |
| onBuffersRemovedLocked(removedBuffers); |
| } |
| return res; |
| } |
| |
| status_t Camera3OutputStream::notifyBufferReleased(ANativeWindowBuffer* /*anwBuffer*/) { |
| return OK; |
| } |
| |
| bool Camera3OutputStream::isConsumerConfigurationDeferred(size_t surface_id) const { |
| Mutex::Autolock l(mLock); |
| |
| if (surface_id != 0) { |
| ALOGE("%s: surface_id %zu for Camera3OutputStream should be 0!", __FUNCTION__, surface_id); |
| } |
| return mConsumer == nullptr; |
| } |
| |
| status_t Camera3OutputStream::setConsumers(const std::vector<sp<Surface>>& consumers) { |
| Mutex::Autolock l(mLock); |
| if (consumers.size() != 1) { |
| ALOGE("%s: it's illegal to set %zu consumer surfaces!", |
| __FUNCTION__, consumers.size()); |
| return INVALID_OPERATION; |
| } |
| if (consumers[0] == nullptr) { |
| ALOGE("%s: it's illegal to set null consumer surface!", __FUNCTION__); |
| return INVALID_OPERATION; |
| } |
| |
| if (mConsumer != nullptr) { |
| ALOGE("%s: consumer surface was already set!", __FUNCTION__); |
| return INVALID_OPERATION; |
| } |
| |
| mConsumer = consumers[0]; |
| return OK; |
| } |
| |
| bool Camera3OutputStream::isConsumedByHWComposer() const { |
| uint64_t usage = 0; |
| status_t res = getEndpointUsage(&usage); |
| if (res != OK) { |
| ALOGE("%s: getting end point usage failed: %s (%d).", __FUNCTION__, strerror(-res), res); |
| return false; |
| } |
| |
| return (usage & GRALLOC_USAGE_HW_COMPOSER) != 0; |
| } |
| |
| bool Camera3OutputStream::isConsumedByHWTexture() const { |
| uint64_t usage = 0; |
| status_t res = getEndpointUsage(&usage); |
| if (res != OK) { |
| ALOGE("%s: getting end point usage failed: %s (%d).", __FUNCTION__, strerror(-res), res); |
| return false; |
| } |
| |
| return (usage & GRALLOC_USAGE_HW_TEXTURE) != 0; |
| } |
| |
| }; // namespace camera3 |
| |
| }; // namespace android |
