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camera_device_adapter.cc
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/*
* Copyright 2016 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "hal_adapter/camera_device_adapter.h"
#include <unistd.h>
#include <algorithm>
#include <map>
#include <set>
#include <utility>
#include <vector>
#include <base/bind.h>
#include <base/bind_helpers.h>
#include <base/logging.h>
#include <base/timer/elapsed_timer.h>
#include <drm_fourcc.h>
#include <libyuv.h>
#include <mojo/public/cpp/system/platform_handle.h>
#include <sync/sync.h>
#include <system/camera_metadata.h>
#include "common/camera_buffer_handle.h"
#include "cros-camera/common.h"
#include "cros-camera/future.h"
#include "cros-camera/ipc_util.h"
#include "hal_adapter/camera3_callback_ops_delegate.h"
#include "hal_adapter/camera3_device_ops_delegate.h"
namespace cros {
Camera3CaptureRequest::Camera3CaptureRequest(
const camera3_capture_request_t& req)
: settings_(android::CameraMetadata(clone_camera_metadata(req.settings))),
input_buffer_(*req.input_buffer),
output_stream_buffers_(req.output_buffers,
req.output_buffers + req.num_output_buffers) {
Camera3CaptureRequest::frame_number = req.frame_number;
Camera3CaptureRequest::settings = settings_.getAndLock();
Camera3CaptureRequest::input_buffer = &input_buffer_;
Camera3CaptureRequest::num_output_buffers = req.num_output_buffers;
Camera3CaptureRequest::output_buffers = output_stream_buffers_.data();
}
CameraDeviceAdapter::CameraDeviceAdapter(camera3_device_t* camera_device,
const camera_metadata_t* static_info,
base::Callback<void()> close_callback)
: camera_device_ops_thread_("CameraDeviceOpsThread"),
camera_callback_ops_thread_("CameraCallbackOpsThread"),
fence_sync_thread_("FenceSyncThread"),
reprocess_effect_thread_("ReprocessEffectThread"),
notify_error_thread_("NotifyErrorThread"),
close_callback_(close_callback),
device_closed_(false),
camera_device_(camera_device),
static_info_(static_info),
zsl_helper_(static_info, &frame_number_mapper_),
camera_metrics_(CameraMetrics::New()) {
VLOGF_ENTER() << ":" << camera_device_;
camera3_callback_ops_t::process_capture_result = ProcessCaptureResult;
camera3_callback_ops_t::notify = Notify;
}
CameraDeviceAdapter::~CameraDeviceAdapter() {
VLOGF_ENTER() << ":" << camera_device_;
camera_device_ops_thread_.task_runner()->PostTask(
FROM_HERE,
base::Bind(&CameraDeviceAdapter::ResetDeviceOpsDelegateOnThread,
base::Unretained(this)));
camera_callback_ops_thread_.task_runner()->PostTask(
FROM_HERE,
base::Bind(&CameraDeviceAdapter::ResetCallbackOpsDelegateOnThread,
base::Unretained(this)));
camera_device_ops_thread_.Stop();
camera_callback_ops_thread_.Stop();
}
bool CameraDeviceAdapter::Start(
HasReprocessEffectVendorTagCallback
has_reprocess_effect_vendor_tag_callback,
ReprocessEffectCallback reprocess_effect_callback) {
if (!camera_device_ops_thread_.Start()) {
LOGF(ERROR) << "Failed to start CameraDeviceOpsThread";
return false;
}
if (!camera_callback_ops_thread_.Start()) {
LOGF(ERROR) << "Failed to start CameraCallbackOpsThread";
return false;
}
device_ops_delegate_.reset(new Camera3DeviceOpsDelegate(
this, camera_device_ops_thread_.task_runner()));
partial_result_count_ = [&]() {
camera_metadata_ro_entry entry;
if (find_camera_metadata_ro_entry(
static_info_, ANDROID_REQUEST_PARTIAL_RESULT_COUNT, &entry) != 0) {
return 1;
}
return entry.data.i32[0];
}();
camera_metadata_inspector_ =
CameraMetadataInspector::Create(partial_result_count_);
has_reprocess_effect_vendor_tag_callback_ =
std::move(has_reprocess_effect_vendor_tag_callback);
reprocess_effect_callback_ = std::move(reprocess_effect_callback);
return true;
}
void CameraDeviceAdapter::Bind(
mojom::Camera3DeviceOpsRequest device_ops_request) {
device_ops_delegate_->Bind(
device_ops_request.PassMessagePipe(),
// Close the device when the Mojo channel breaks.
base::Bind(base::IgnoreResult(&CameraDeviceAdapter::Close),
base::Unretained(this)));
}
int32_t CameraDeviceAdapter::Initialize(
mojom::Camera3CallbackOpsPtr callback_ops) {
VLOGF_ENTER();
if (!fence_sync_thread_.Start()) {
LOGF(ERROR) << "Fence sync thread failed to start";
return -ENODEV;
}
if (!reprocess_effect_thread_.Start()) {
LOGF(ERROR) << "Reprocessing effect thread failed to start";
return -ENODEV;
}
if (!notify_error_thread_.Start()) {
LOGF(ERROR) << "Notify error thread failed to start";
return -ENODEV;
}
base::AutoLock l(callback_ops_delegate_lock_);
// Unlike the camera module, only one peer is allowed to access a camera
// device at any time.
DCHECK(!callback_ops_delegate_);
callback_ops_delegate_.reset(new Camera3CallbackOpsDelegate(
camera_callback_ops_thread_.task_runner()));
callback_ops_delegate_->Bind(
callback_ops.PassInterface(),
base::Bind(&CameraDeviceAdapter::ResetCallbackOpsDelegateOnThread,
base::Unretained(this)));
return camera_device_->ops->initialize(camera_device_, this);
}
int32_t CameraDeviceAdapter::ConfigureStreams(
mojom::Camera3StreamConfigurationPtr config,
mojom::Camera3StreamConfigurationPtr* updated_config) {
VLOGF_ENTER();
base::ElapsedTimer timer;
base::AutoLock l(streams_lock_);
// Free previous allocated buffers before new allocation.
FreeAllocatedStreamBuffers();
internal::ScopedStreams new_streams;
for (const auto& s : config->streams) {
LOGF(INFO) << "id = " << s->id << ", type = " << s->stream_type
<< ", size = " << s->width << "x" << s->height
<< ", format = " << s->format;
uint64_t id = s->id;
std::unique_ptr<camera3_stream_t>& stream = new_streams[id];
stream.reset(new camera3_stream_t);
memset(stream.get(), 0, sizeof(*stream.get()));
stream->stream_type = static_cast<camera3_stream_type_t>(s->stream_type);
stream->width = s->width;
stream->height = s->height;
stream->format = static_cast<int32_t>(s->format);
stream->usage = s->usage;
stream->max_buffers = s->max_buffers;
stream->data_space = static_cast<android_dataspace_t>(s->data_space);
stream->rotation = static_cast<camera3_stream_rotation_t>(s->rotation);
stream->crop_rotate_scale_degrees = 0;
if (s->crop_rotate_scale_info) {
stream->crop_rotate_scale_degrees =
static_cast<camera3_stream_rotation_t>(
s->crop_rotate_scale_info->crop_rotate_scale_degrees);
}
// Currently we are not interest in the resolution of input stream and
// bidirectional stream.
if (stream->stream_type == CAMERA3_STREAM_OUTPUT) {
camera_metrics_->SendConfigureStreamResolution(
stream->width, stream->height, stream->format);
}
}
streams_.swap(new_streams);
zsl_helper_.SetZslEnabled(zsl_helper_.CanEnableZsl(streams_));
camera3_stream_configuration_t stream_list;
stream_list.num_streams = config->streams.size();
std::vector<camera3_stream_t*> streams(stream_list.num_streams);
stream_list.streams = streams.data();
stream_list.operation_mode =
static_cast<camera3_stream_configuration_mode_t>(config->operation_mode);
size_t i = 0;
for (auto it = streams_.begin(); it != streams_.end(); it++) {
stream_list.streams[i++] = it->second.get();
}
if (zsl_helper_.IsZslEnabled()) {
zsl_helper_.AttachZslStream(&stream_list, &streams);
zsl_stream_ = streams.back();
}
int32_t result =
camera_device_->ops->configure_streams(camera_device_, &stream_list);
if (!result) {
*updated_config = mojom::Camera3StreamConfiguration::New();
(*updated_config)->operation_mode = config->operation_mode;
for (const auto& s : streams_) {
mojom::Camera3StreamPtr ptr = mojom::Camera3Stream::New();
ptr->id = s.first;
ptr->format = static_cast<mojom::HalPixelFormat>(s.second->format);
ptr->width = s.second->width;
ptr->height = s.second->height;
ptr->stream_type =
static_cast<mojom::Camera3StreamType>(s.second->stream_type);
ptr->data_space = s.second->data_space;
// HAL should only change usage and max_buffers.
ptr->usage = s.second->usage;
ptr->max_buffers = s.second->max_buffers;
ptr->crop_rotate_scale_info = mojom::CropRotateScaleInfo::New(
static_cast<mojom::Camera3StreamRotation>(
s.second->crop_rotate_scale_degrees));
(*updated_config)->streams.push_back(std::move(ptr));
}
}
camera_metrics_->SendConfigureStreamsLatency(timer.Elapsed());
return result;
}
mojom::CameraMetadataPtr CameraDeviceAdapter::ConstructDefaultRequestSettings(
mojom::Camera3RequestTemplate type) {
VLOGF_ENTER();
const camera_metadata_t* metadata =
camera_device_->ops->construct_default_request_settings(
camera_device_, static_cast<int32_t>(type));
return internal::SerializeCameraMetadata(metadata);
}
int32_t CameraDeviceAdapter::ProcessCaptureRequest(
mojom::Camera3CaptureRequestPtr request) {
VLOGF_ENTER();
camera3_capture_request_t req;
req.frame_number =
frame_number_mapper_.GetHalFrameNumber(request->frame_number);
internal::ScopedCameraMetadata settings =
internal::DeserializeCameraMetadata(request->settings);
// Deserialize input buffer.
buffer_handle_t input_buffer_handle;
camera3_stream_buffer_t input_buffer;
if (!request->input_buffer.is_null()) {
base::AutoLock streams_lock(streams_lock_);
base::AutoLock buffer_handles_lock(buffer_handles_lock_);
if (request->input_buffer->buffer_handle) {
if (RegisterBufferLocked(
std::move(request->input_buffer->buffer_handle))) {
LOGF(ERROR) << "Failed to register input buffer";
return -EINVAL;
}
}
input_buffer.buffer =
const_cast<const native_handle_t**>(&input_buffer_handle);
internal::DeserializeStreamBuffer(request->input_buffer, streams_,
buffer_handles_, &input_buffer);
req.input_buffer = &input_buffer;
} else {
req.input_buffer = nullptr;
}
// Deserialize output buffers.
size_t num_output_buffers = request->output_buffers.size();
DCHECK_GT(num_output_buffers, 0);
std::vector<camera3_stream_buffer_t> output_buffers(num_output_buffers);
std::vector<camera3_stream_buffer_t> still_output_buffers;
camera3_capture_request_t still_req{.num_output_buffers = 0};
{
base::AutoLock streams_lock(streams_lock_);
base::AutoLock buffer_handles_lock(buffer_handles_lock_);
for (size_t i = 0; i < num_output_buffers; ++i) {
mojom::Camera3StreamBufferPtr& out_buf_ptr = request->output_buffers[i];
if (out_buf_ptr->buffer_handle) {
if (RegisterBufferLocked(std::move(out_buf_ptr->buffer_handle))) {
LOGF(ERROR) << "Failed to register output buffer";
return -EINVAL;
}
}
internal::DeserializeStreamBuffer(out_buf_ptr, streams_, buffer_handles_,
&output_buffers.at(i));
}
if (zsl_helper_.IsZslEnabled()) {
zsl_helper_.ProcessZslCaptureRequest(
request->frame_number, &req, &output_buffers, &settings, &still_req,
&still_output_buffers, ZslHelper::SelectionStrategy::CLOSEST_3A);
}
req.num_output_buffers = output_buffers.size();
req.output_buffers =
const_cast<const camera3_stream_buffer_t*>(output_buffers.data());
}
req.settings = settings.get();
if (camera_metadata_inspector_) {
camera_metadata_inspector_->InspectRequest(&req);
}
// Apply reprocessing effects
if (req.input_buffer &&
has_reprocess_effect_vendor_tag_callback_.Run(*req.settings)) {
VLOGF(1) << "Applying reprocessing effects on input buffer";
// Run reprocessing effect asynchronously so that it does not block other
// requests. It introduces a risk that buffers of the same stream may be
// returned out of order. Since CTS would not go this way and GCA would
// not mix reprocessing effect captures with normal ones, it should be
// fine.
auto req_ptr = std::make_unique<Camera3CaptureRequest>(req);
reprocess_effect_thread_.task_runner()->PostTask(
FROM_HERE,
base::Bind(
&CameraDeviceAdapter::ReprocessEffectsOnReprocessEffectThread,
base::Unretained(this), base::Passed(&req_ptr)));
return 0;
}
bool is_request_split = still_req.num_output_buffers > 0;
frame_number_mapper_.RegisterCaptureRequest(&req, is_request_split,
false /* is_request_added */);
int ret = camera_device_->ops->process_capture_request(camera_device_, &req);
if (ret != 0) {
return ret;
}
if (is_request_split) {
frame_number_mapper_.RegisterCaptureRequest(&still_req, is_request_split,
true /* is_request_added */);
ret = camera_device_->ops->process_capture_request(camera_device_,
&still_req);
free_camera_metadata(const_cast<camera_metadata_t*>(still_req.settings));
// No need to process -ENODEV here since it's not recoverable.
if (ret == -EINVAL) {
NotifyAddedFrameError(std::move(still_req),
std::move(still_output_buffers));
}
}
// Any errors occurred in the split request are handled separately.
return 0;
}
void CameraDeviceAdapter::Dump(mojo::ScopedHandle fd) {
VLOGF_ENTER();
base::ScopedFD dump_fd(mojo::UnwrapPlatformHandle(std::move(fd)).TakeFD());
camera_device_->ops->dump(camera_device_, dump_fd.get());
}
int32_t CameraDeviceAdapter::Flush() {
VLOGF_ENTER();
return camera_device_->ops->flush(camera_device_);
}
static bool IsMatchingFormat(mojom::HalPixelFormat hal_pixel_format,
uint32_t drm_format) {
switch (hal_pixel_format) {
case mojom::HalPixelFormat::HAL_PIXEL_FORMAT_RGBA_8888:
return drm_format == DRM_FORMAT_ABGR8888;
case mojom::HalPixelFormat::HAL_PIXEL_FORMAT_RGBX_8888:
return drm_format == DRM_FORMAT_XBGR8888;
case mojom::HalPixelFormat::HAL_PIXEL_FORMAT_BGRA_8888:
return drm_format == DRM_FORMAT_ARGB8888;
case mojom::HalPixelFormat::HAL_PIXEL_FORMAT_YCrCb_420_SP:
return drm_format == DRM_FORMAT_NV21;
case mojom::HalPixelFormat::HAL_PIXEL_FORMAT_YCbCr_422_I:
return drm_format == DRM_FORMAT_YUYV;
case mojom::HalPixelFormat::HAL_PIXEL_FORMAT_BLOB:
return drm_format == DRM_FORMAT_R8;
case mojom::HalPixelFormat::HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
// We can't really check implementation defined formats.
return true;
case mojom::HalPixelFormat::HAL_PIXEL_FORMAT_YCbCr_420_888:
return (drm_format == DRM_FORMAT_YUV420 ||
drm_format == DRM_FORMAT_YVU420 ||
drm_format == DRM_FORMAT_NV21 || drm_format == DRM_FORMAT_NV12);
case mojom::HalPixelFormat::HAL_PIXEL_FORMAT_YV12:
return drm_format == DRM_FORMAT_YVU420;
}
return false;
}
int32_t CameraDeviceAdapter::RegisterBuffer(
uint64_t buffer_id,
mojom::Camera3DeviceOps::BufferType type,
std::vector<mojo::ScopedHandle> fds,
uint32_t drm_format,
mojom::HalPixelFormat hal_pixel_format,
uint32_t width,
uint32_t height,
const std::vector<uint32_t>& strides,
const std::vector<uint32_t>& offsets) {
base::AutoLock l(buffer_handles_lock_);
return CameraDeviceAdapter::RegisterBufferLocked(
buffer_id, type, std::move(fds), drm_format, hal_pixel_format, width,
height, strides, offsets);
}
int32_t CameraDeviceAdapter::Close() {
// Close the device.
VLOGF_ENTER();
if (device_closed_) {
return 0;
}
reprocess_effect_thread_.Stop();
notify_error_thread_.Stop();
int32_t ret = camera_device_->common.close(&camera_device_->common);
device_closed_ = true;
DCHECK_EQ(ret, 0);
fence_sync_thread_.Stop();
FreeAllocatedStreamBuffers();
close_callback_.Run();
return ret;
}
int32_t CameraDeviceAdapter::ConfigureStreamsAndGetAllocatedBuffers(
mojom::Camera3StreamConfigurationPtr config,
mojom::Camera3StreamConfigurationPtr* updated_config,
AllocatedBuffers* allocated_buffers) {
VLOGF_ENTER();
int32_t result = ConfigureStreams(std::move(config), updated_config);
// Early return if configure streams failed.
if (result) {
return result;
}
bool is_success =
AllocateBuffersForStreams((*updated_config)->streams, allocated_buffers);
if (!is_success) {
FreeAllocatedStreamBuffers();
}
return result;
}
// static
void CameraDeviceAdapter::ProcessCaptureResult(
const camera3_callback_ops_t* ops, const camera3_capture_result_t* result) {
VLOGF_ENTER();
CameraDeviceAdapter* self = const_cast<CameraDeviceAdapter*>(
static_cast<const CameraDeviceAdapter*>(ops));
camera3_capture_result_t res = *result;
camera3_stream_buffer_t in_buf = {};
mojom::Camera3CaptureResultPtr result_ptr;
{
base::AutoLock reprocess_handles_lock(self->reprocess_handles_lock_);
if (result->input_buffer && !self->reprocess_handles_.empty() &&
*result->input_buffer->buffer ==
*self->reprocess_handles_.front().GetHandle()) {
in_buf = *result->input_buffer;
// Restore original input buffer
base::AutoLock buffer_handles_lock(self->buffer_handles_lock_);
in_buf.buffer =
&self->buffer_handles_.at(self->input_buffer_handle_ids_.front())
->self;
self->reprocess_handles_.pop_front();
self->input_buffer_handle_ids_.pop_front();
res.input_buffer = &in_buf;
}
}
{
base::AutoLock reprocess_result_metadata_lock(
self->reprocess_result_metadata_lock_);
auto it = self->reprocess_result_metadata_.find(res.frame_number);
if (it != self->reprocess_result_metadata_.end() && !it->second.isEmpty() &&
res.result != nullptr) {
it->second.append(res.result);
res.result = it->second.getAndLock();
}
result_ptr = self->PrepareCaptureResult(&res);
if (res.result != nullptr) {
self->reprocess_result_metadata_.erase(res.frame_number);
}
}
if (!result_ptr->result->entries.has_value() &&
!result_ptr->output_buffers.has_value() &&
result_ptr->input_buffer.is_null()) {
// Android camera framework doesn't accept empty capture results. Since ZSL
// would remove the input buffer, output buffers and metadata it added, it's
// possible that we end up with an empty capture result.
return;
}
base::AutoLock l(self->callback_ops_delegate_lock_);
if (self->callback_ops_delegate_) {
if (self->camera_metadata_inspector_) {
self->camera_metadata_inspector_->InspectResult(result);
}
self->callback_ops_delegate_->ProcessCaptureResult(std::move(result_ptr));
}
}
// static
void CameraDeviceAdapter::Notify(const camera3_callback_ops_t* ops,
const camera3_notify_msg_t* msg) {
VLOGF_ENTER();
CameraDeviceAdapter* self = const_cast<CameraDeviceAdapter*>(
static_cast<const CameraDeviceAdapter*>(ops));
std::vector<camera3_notify_msg_t> msgs;
self->PreprocessNotifyMsg(msg, &msgs);
if (msgs.size() == 0) {
LOGF(INFO) << "Trimmed a Notify() call";
return;
}
for (auto& msg : msgs) {
mojom::Camera3NotifyMsgPtr msg_ptr = self->PrepareNotifyMsg(&msg);
base::AutoLock l(self->callback_ops_delegate_lock_);
if (msg.type == CAMERA3_MSG_ERROR) {
self->camera_metrics_->SendError(msg.message.error.error_code);
}
if (self->callback_ops_delegate_) {
self->callback_ops_delegate_->Notify(std::move(msg_ptr));
}
if (msg.type == CAMERA3_MSG_ERROR &&
msg.message.error.error_code == CAMERA3_MSG_ERROR_DEVICE) {
LOGF(ERROR) << "Fatal device error; aborting the camera service";
_exit(EIO);
}
}
}
bool CameraDeviceAdapter::AllocateBuffersForStreams(
const std::vector<mojom::Camera3StreamPtr>& streams,
AllocatedBuffers* allocated_buffers) {
AllocatedBuffers tmp_allocated_buffers;
auto* camera_buffer_manager = CameraBufferManager::GetInstance();
for (const auto& stream : streams) {
std::vector<mojom::Camera3StreamBufferPtr> new_buffers;
uint32_t stream_format = static_cast<uint32_t>(stream->format);
uint64_t stream_id = stream->id;
DCHECK(stream_format == HAL_PIXEL_FORMAT_BLOB ||
stream_format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED ||
stream_format == HAL_PIXEL_FORMAT_YCbCr_420_888);
uint32_t buffer_width;
uint32_t buffer_height;
int status;
if (stream_format == HAL_PIXEL_FORMAT_BLOB) {
camera_metadata_ro_entry entry;
status = find_camera_metadata_ro_entry(static_info_,
ANDROID_JPEG_MAX_SIZE, &entry);
if (status) {
LOG(ERROR) << "No Jpeg max size information in metadata.";
return false;
}
buffer_width = entry.data.i32[0];
buffer_height = 1;
} else {
buffer_width = stream->width;
buffer_height = stream->height;
}
for (size_t i = 0; i < stream->max_buffers; i++) {
mojom::Camera3StreamBufferPtr new_buffer =
mojom::Camera3StreamBuffer::New();
new_buffer->stream_id = stream_id;
mojom::CameraBufferHandlePtr mojo_buffer_handle =
mojom::CameraBufferHandle::New();
buffer_handle_t buffer_handle;
uint32_t buffer_stride;
status = camera_buffer_manager->Allocate(
buffer_width, buffer_height, stream_format, stream->usage,
BufferType::GRALLOC, &buffer_handle, &buffer_stride);
if (status) {
LOGF(ERROR) << "Failed to allocate buffer.";
return false;
}
mojo_buffer_handle->width = buffer_width;
mojo_buffer_handle->height = buffer_height;
mojo_buffer_handle->drm_format =
camera_buffer_manager->ResolveDrmFormat(stream_format, stream->usage);
CHECK_NE(mojo_buffer_handle->drm_format, 0);
auto num_planes = CameraBufferManager::GetNumPlanes(buffer_handle);
mojo_buffer_handle->sizes = std::vector<uint32_t>();
for (size_t plane = 0; plane < num_planes; plane++) {
mojo_buffer_handle->fds.push_back(
mojo::WrapPlatformFile(buffer_handle->data[plane]));
mojo_buffer_handle->strides.push_back(
CameraBufferManager::GetPlaneStride(buffer_handle, plane));
mojo_buffer_handle->offsets.push_back(
CameraBufferManager::GetPlaneOffset(buffer_handle, plane));
mojo_buffer_handle->sizes->push_back(
CameraBufferManager::GetPlaneSize(buffer_handle, plane));
}
auto* camera_buffer_handle =
camera_buffer_handle_t::FromBufferHandle(buffer_handle);
uint64_t buffer_id = camera_buffer_handle->buffer_id;
mojo_buffer_handle->buffer_id = buffer_id;
mojo_buffer_handle->hal_pixel_format = stream->format;
new_buffer->buffer_id = buffer_id;
new_buffer->buffer_handle = std::move(mojo_buffer_handle);
new_buffers.push_back(std::move(new_buffer));
allocated_stream_buffers_[buffer_id] = std::move(buffer_handle);
}
tmp_allocated_buffers.insert(
std::pair<uint64_t, std::vector<mojom::Camera3StreamBufferPtr>>(
stream_id, std::move(new_buffers)));
}
*allocated_buffers = std::move(tmp_allocated_buffers);
return true;
}
void CameraDeviceAdapter::FreeAllocatedStreamBuffers() {
auto camera_buffer_manager = CameraBufferManager::GetInstance();
if (allocated_stream_buffers_.empty()) {
return;
}
for (auto it : allocated_stream_buffers_) {
camera_buffer_manager->Free(it.second);
}
allocated_stream_buffers_.clear();
}
int32_t CameraDeviceAdapter::RegisterBufferLocked(
uint64_t buffer_id,
mojom::Camera3DeviceOps::BufferType type,
std::vector<mojo::ScopedHandle> fds,
uint32_t drm_format,
mojom::HalPixelFormat hal_pixel_format,
uint32_t width,
uint32_t height,
const std::vector<uint32_t>& strides,
const std::vector<uint32_t>& offsets) {
if (!IsMatchingFormat(hal_pixel_format, drm_format)) {
LOG(ERROR) << "HAL pixel format " << hal_pixel_format
<< " does not match DRM format " << FormatToString(drm_format);
return -EINVAL;
}
size_t num_planes = fds.size();
std::unique_ptr<camera_buffer_handle_t> buffer_handle =
std::make_unique<camera_buffer_handle_t>();
buffer_handle->base.version = sizeof(buffer_handle->base);
buffer_handle->base.numFds = kCameraBufferHandleNumFds;
buffer_handle->base.numInts = kCameraBufferHandleNumInts;
buffer_handle->magic = kCameraBufferMagic;
buffer_handle->buffer_id = buffer_id;
buffer_handle->type = static_cast<int32_t>(type);
buffer_handle->drm_format = drm_format;
buffer_handle->hal_pixel_format = static_cast<uint32_t>(hal_pixel_format);
buffer_handle->width = width;
buffer_handle->height = height;
for (size_t i = 0; i < num_planes; ++i) {
buffer_handle->fds[i] =
mojo::UnwrapPlatformHandle(std::move(fds[i])).ReleaseFD();
buffer_handle->strides[i] = strides[i];
buffer_handle->offsets[i] = offsets[i];
}
buffer_handles_[buffer_id] = std::move(buffer_handle);
VLOGF(1) << std::hex << "Buffer 0x" << buffer_id << " registered: "
<< "format: " << FormatToString(drm_format)
<< " dimension: " << std::dec << width << "x" << height
<< " num_planes: " << num_planes;
return 0;
}
int32_t CameraDeviceAdapter::RegisterBufferLocked(
mojom::CameraBufferHandlePtr buffer) {
return RegisterBufferLocked(
buffer->buffer_id, mojom::Camera3DeviceOps::BufferType::GRALLOC,
std::move(buffer->fds), buffer->drm_format, buffer->hal_pixel_format,
buffer->width, buffer->height, buffer->strides, buffer->offsets);
}
mojom::Camera3CaptureResultPtr CameraDeviceAdapter::PrepareCaptureResult(
const camera3_capture_result_t* result) {
mojom::Camera3CaptureResultPtr r = mojom::Camera3CaptureResult::New();
r->frame_number =
frame_number_mapper_.GetFrameworkFrameNumber(result->frame_number);
frame_number_mapper_.RegisterCaptureResult(result, partial_result_count_);
if (frame_number_mapper_.IsAddedFrame(result->frame_number)) {
// We use the metadata from the sister frame.
LOGF(INFO) << "Trimming metadata for " << result->frame_number
<< " (framework frame number = " << r->frame_number << ")";
r->result = cros::mojom::CameraMetadata::New();
r->partial_result = 0;
} else {
r->result = internal::SerializeCameraMetadata(result->result);
r->partial_result = result->partial_result;
}
const camera3_stream_buffer_t* attached_output = nullptr;
const camera3_stream_buffer_t* transformed_input = nullptr;
if (zsl_helper_.IsZslEnabled()) {
base::AutoLock streams_lock(streams_lock_);
base::AutoLock buffer_handles_lock(buffer_handles_lock_);
zsl_helper_.ProcessZslCaptureResult(result, &attached_output,
&transformed_input);
}
// Serialize output buffers. This may be none as num_output_buffers may be 0.
if (result->output_buffers) {
base::AutoLock streams_lock(streams_lock_);
base::AutoLock buffer_handles_lock(buffer_handles_lock_);
std::vector<mojom::Camera3StreamBufferPtr> output_buffers;
for (size_t i = 0; i < result->num_output_buffers; i++) {
if (result->output_buffers + i == attached_output) {
continue;
}
mojom::Camera3StreamBufferPtr out_buf = internal::SerializeStreamBuffer(
result->output_buffers + i, streams_, buffer_handles_);
if (out_buf.is_null()) {
LOGF(ERROR) << "Failed to serialize output stream buffer";
// TODO(jcliang): Handle error?
}
buffer_handles_[out_buf->buffer_id]->state = kReturned;
RemoveBufferLocked(*(result->output_buffers + i));
output_buffers.push_back(std::move(out_buf));
}
if (output_buffers.size() > 0) {
r->output_buffers = std::move(output_buffers);
}
}
// Serialize input buffer.
if (result->input_buffer && result->input_buffer != transformed_input) {
base::AutoLock streams_lock(streams_lock_);
base::AutoLock buffer_handles_lock(buffer_handles_lock_);
mojom::Camera3StreamBufferPtr input_buffer =
internal::SerializeStreamBuffer(result->input_buffer, streams_,
buffer_handles_);
if (input_buffer.is_null()) {
LOGF(ERROR) << "Failed to serialize input stream buffer";
}
buffer_handles_[input_buffer->buffer_id]->state = kReturned;
RemoveBufferLocked(*result->input_buffer);
r->input_buffer = std::move(input_buffer);
}
return r;
}
void CameraDeviceAdapter::PreprocessNotifyMsg(
const camera3_notify_msg_t* msg, std::vector<camera3_notify_msg_t>* msgs) {
frame_number_mapper_.PreprocessNotifyMsg(msg, msgs, zsl_stream_);
}
mojom::Camera3NotifyMsgPtr CameraDeviceAdapter::PrepareNotifyMsg(
const camera3_notify_msg_t* msg) {
// Fill in the data from msg...
mojom::Camera3NotifyMsgPtr m = mojom::Camera3NotifyMsg::New();
m->type = static_cast<mojom::Camera3MsgType>(msg->type);
m->message = mojom::Camera3NotifyMsgMessage::New();
if (msg->type == CAMERA3_MSG_ERROR) {
mojom::Camera3ErrorMsgPtr error = mojom::Camera3ErrorMsg::New();
error->frame_number = msg->message.error.frame_number;
uint64_t stream_id = 0;
{
base::AutoLock l(streams_lock_);
for (const auto& s : streams_) {
if (s.second.get() == msg->message.error.error_stream) {
stream_id = s.first;
break;
}
}
}
error->error_stream_id = stream_id;
error->error_code =
static_cast<mojom::Camera3ErrorMsgCode>(msg->message.error.error_code);
m->message->set_error(std::move(error));
} else if (msg->type == CAMERA3_MSG_SHUTTER) {
mojom::Camera3ShutterMsgPtr shutter = mojom::Camera3ShutterMsg::New();
shutter->frame_number = msg->message.shutter.frame_number;
shutter->timestamp = msg->message.shutter.timestamp;
m->message->set_shutter(std::move(shutter));
} else {
LOGF(ERROR) << "Invalid notify message type: " << msg->type;
}
return m;
}
void CameraDeviceAdapter::RemoveBufferLocked(
const camera3_stream_buffer_t& buffer) {
buffer_handles_lock_.AssertAcquired();
int release_fence = buffer.release_fence;
base::ScopedFD scoped_release_fence;
if (release_fence != -1) {
release_fence = dup(release_fence);
if (release_fence == -1) {
PLOGF(ERROR) << "Failed to dup release_fence";
return;
}
scoped_release_fence.reset(release_fence);
}
// Remove the allocated camera buffer handle from |buffer_handles_| and
// pass it to RemoveBufferOnFenceSyncThread. The buffer handle will be
// freed after the release fence is signalled.
const camera_buffer_handle_t* handle =
camera_buffer_handle_t::FromBufferHandle(*(buffer.buffer));
if (!handle) {
return;
}
// Remove the buffer handle from |buffer_handles_| now to avoid a race
// condition where the process_capture_request sends down an existing buffer
// handle which hasn't been removed in RemoveBufferHandleOnFenceSyncThread.
uint64_t buffer_id = handle->buffer_id;
if (buffer_handles_[buffer_id]->state == kRegistered) {
// Framework registered a new buffer with the same |buffer_id| before we
// remove the old buffer handle from |buffer_handles_|.
return;
}
std::unique_ptr<camera_buffer_handle_t> buffer_handle;
buffer_handles_[buffer_id].swap(buffer_handle);
buffer_handles_.erase(buffer_id);
fence_sync_thread_.task_runner()->PostTask(
FROM_HERE,
base::Bind(&CameraDeviceAdapter::RemoveBufferOnFenceSyncThread,
base::Unretained(this), base::Passed(&scoped_release_fence),
base::Passed(&buffer_handle)));
}
void CameraDeviceAdapter::RemoveBufferOnFenceSyncThread(
base::ScopedFD release_fence,
std::unique_ptr<camera_buffer_handle_t> buffer) {
// In theory the release fence should be signaled by HAL as soon as possible,
// and we could just set a large value for the timeout. The timeout here is
// set to 3 ms to allow testing multiple fences in round-robin if there are
// multiple active buffers.
const int kSyncWaitTimeoutMs = 3;
const camera_buffer_handle_t* handle = buffer.get();
DCHECK(handle);
if (!release_fence.is_valid() ||
!sync_wait(release_fence.get(), kSyncWaitTimeoutMs)) {
VLOGF(1) << "Buffer 0x" << std::hex << handle->buffer_id << " removed";
} else {
// sync_wait() timeout. Reschedule and try to remove the buffer again.
VLOGF(2) << "Release fence sync_wait() timeout on buffer 0x" << std::hex
<< handle->buffer_id;
fence_sync_thread_.task_runner()->PostTask(
FROM_HERE,
base::Bind(&CameraDeviceAdapter::RemoveBufferOnFenceSyncThread,
base::Unretained(this), base::Passed(&release_fence),
base::Passed(&buffer)));
}
}
void CameraDeviceAdapter::ReprocessEffectsOnReprocessEffectThread(
std::unique_ptr<Camera3CaptureRequest> req) {
VLOGF_ENTER();
camera3_stream_t* input_stream = req->input_buffer->stream;
camera3_stream_t* output_stream = req->output_buffers[0].stream;
// Here we assume reprocessing effects can provide only one output of the
// same size and format as that of input. Invoke HAL reprocessing if more
// outputs, scaling and/or format conversion are required since ISP
// may provide hardware acceleration for these operations.
bool need_hal_reprocessing =
(req->num_output_buffers != 1) ||
(input_stream->width != req->output_buffers[0].stream->width) ||
(input_stream->height != req->output_buffers[0].stream->height) ||
(input_stream->format != req->output_buffers[0].stream->format);
struct ReprocessContext {
ReprocessContext(CameraDeviceAdapter* d,
const Camera3CaptureRequest* r,
bool n)
: result(0),
device_adapter(d),
capture_request(r),
need_hal_reprocessing(n) {}
~ReprocessContext() {
if (result != 0) {
camera3_notify_msg_t msg{
.type = CAMERA3_MSG_ERROR,
.message.error.frame_number = capture_request->frame_number,
.message.error.error_code = CAMERA3_MSG_ERROR_REQUEST};
device_adapter->Notify(device_adapter, &msg);
}
if (result != 0 || !need_hal_reprocessing) {
camera3_capture_result_t capture_result{
.frame_number = capture_request->frame_number,
.result = capture_request->settings,
.num_output_buffers = capture_request->num_output_buffers,
.output_buffers = capture_request->output_buffers,
.input_buffer = capture_request->input_buffer};
device_adapter->ProcessCaptureResult(device_adapter, &capture_result);
}
}
int32_t result;
CameraDeviceAdapter* device_adapter;
const Camera3CaptureRequest* capture_request;
bool need_hal_reprocessing;
};
ReprocessContext reprocess_context(this, req.get(), need_hal_reprocessing);
ScopedYUVBufferHandle scoped_output_handle =
need_hal_reprocessing ?
// Allocate reprocessing buffer
ScopedYUVBufferHandle::AllocateScopedYUVHandle(
input_stream->width, input_stream->height,
GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN)
:
// Wrap the output buffer
ScopedYUVBufferHandle::CreateScopedYUVHandle(
*req->output_buffers[0].buffer, output_stream->width,
output_stream->height,
GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN);
if (!scoped_output_handle) {
LOGF(ERROR) << "Failed to create scoped output buffer";
reprocess_context.result = -EINVAL;
return;
}
ScopedYUVBufferHandle scoped_input_handle =
ScopedYUVBufferHandle::CreateScopedYUVHandle(
*req->input_buffer->buffer, input_stream->width, input_stream->height,
GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN);
if (!scoped_input_handle) {
LOGF(ERROR) << "Failed to create scoped input buffer";
reprocess_context.result = -EINVAL;
return;
}
android::CameraMetadata reprocess_result_metadata;
reprocess_context.result = reprocess_effect_callback_.Run(
*req->settings, &scoped_input_handle, input_stream->width,
input_stream->height, &reprocess_result_metadata, &scoped_output_handle);
if (reprocess_context.result != 0) {
LOGF(ERROR) << "Failed to apply reprocess effect";
return;
}
if (need_hal_reprocessing) {
// Replace the input buffer with reprocessing output buffer
{
base::AutoLock reprocess_handles_lock(reprocess_handles_lock_);
reprocess_handles_.push_back(std::move(scoped_output_handle));
input_buffer_handle_ids_.push_back(
reinterpret_cast<const camera_buffer_handle_t*>(
*req->input_buffer->buffer)
->buffer_id);
req->input_buffer->buffer = reprocess_handles_.back().GetHandle();
}
{
base::AutoLock reprocess_result_metadata_lock(
reprocess_result_metadata_lock_);
reprocess_result_metadata_.emplace(req->frame_number,
reprocess_result_metadata);
}
auto future = cros::Future<int32_t>::Create(nullptr);
camera_device_ops_thread_.task_runner()->PostTask(
FROM_HERE,
base::Bind(
&CameraDeviceAdapter::ProcessReprocessRequestOnDeviceOpsThread,
base::Unretained(this), base::Passed(&req),
cros::GetFutureCallback(future)));
reprocess_context.result = future->Get();
if (reprocess_context.result != 0) {
LOGF(ERROR) << "Failed to process capture request after reprocessing";
}
}
}
void CameraDeviceAdapter::ProcessReprocessRequestOnDeviceOpsThread(
std::unique_ptr<Camera3CaptureRequest> req,
base::Callback<void(int32_t)> callback) {
VLOGF_ENTER();
callback.Run(
camera_device_->ops->process_capture_request(camera_device_, req.get()));
}
void CameraDeviceAdapter::NotifyAddedFrameError(
camera3_capture_request_t req,
std::vector<camera3_stream_buffer_t> output_buffers) {
notify_error_thread_.task_runner()->PostTask(
FROM_HERE,