/*
* Copyright (C) 2013-2018 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, const String8& physicalCameraId,
int setId) :
Camera3IOStreamBase(id, CAMERA3_STREAM_OUTPUT, width, height,
/*maxSize*/0, format, dataSpace, rotation,
physicalCameraId, setId),
mConsumer(consumer),
mTransform(0),
mTraceFirstBuffer(true),
mUseBufferManager(false),
mTimestampOffset(timestampOffset),
mConsumerUsage(0),
mDropBuffers(false),
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, const String8& physicalCameraId, int setId) :
Camera3IOStreamBase(id, CAMERA3_STREAM_OUTPUT, width, height, maxSize,
format, dataSpace, rotation, physicalCameraId, setId),
mConsumer(consumer),
mTransform(0),
mTraceFirstBuffer(true),
mUseMonoTimestamp(false),
mUseBufferManager(false),
mTimestampOffset(timestampOffset),
mConsumerUsage(0),
mDropBuffers(false),
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,
const String8& physicalCameraId, int setId) :
Camera3IOStreamBase(id, CAMERA3_STREAM_OUTPUT, width, height,
/*maxSize*/0, format, dataSpace, rotation,
physicalCameraId, setId),
mConsumer(nullptr),
mTransform(0),
mTraceFirstBuffer(true),
mUseBufferManager(false),
mTimestampOffset(timestampOffset),
mConsumerUsage(consumerUsage),
mDropBuffers(false),
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,
const String8& physicalCameraId,
uint64_t consumerUsage, nsecs_t timestampOffset,
int setId) :
Camera3IOStreamBase(id, type, width, height,
/*maxSize*/0,
format, dataSpace, rotation,
physicalCameraId, setId),
mTransform(0),
mTraceFirstBuffer(true),
mUseMonoTimestamp(false),
mUseBufferManager(false),
mTimestampOffset(timestampOffset),
mConsumerUsage(consumerUsage),
mDropBuffers(false),
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 || mDropBuffers) {
// Cancel buffer
if (mDropBuffers) {
ALOGV("%s: Dropping a frame for stream %d.", __FUNCTION__, mId);
} else {
ALOGW("%s: A frame is dropped for stream %d due to buffer error.", __FUNCTION__, 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;
}
status_t Camera3OutputStream::updateStream(const std::vector<sp<Surface>> &/*outputSurfaces*/,
const std::vector<OutputStreamInfo> &/*outputInfo*/,
const std::vector<size_t> &/*removedSurfaceIds*/,
KeyedVector<sp<Surface>, size_t> * /*outputMapo*/) {
ALOGE("%s: this method is not supported!", __FUNCTION__);
return INVALID_OPERATION;
}
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 (const 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::dropBuffers(bool dropping) {
Mutex::Autolock l(mLock);
mDropBuffers = dropping;
return OK;
}
const String8& Camera3OutputStream::getPhysicalCameraId() const {
Mutex::Autolock l(mLock);
return physicalCameraId();
}
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