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-rw-r--r--src/android/camera_device.cpp42
-rw-r--r--src/android/camera_device.h3
-rw-r--r--src/android/camera_request.cpp3
-rw-r--r--src/android/camera_request.h6
-rw-r--r--src/android/camera_stream.cpp10
-rw-r--r--src/android/camera_worker.cpp129
-rw-r--r--src/android/camera_worker.h70
-rw-r--r--src/android/meson.build1
8 files changed, 28 insertions, 236 deletions
diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp
index 9f772b58..f28fdd6a 100644
--- a/src/android/camera_device.cpp
+++ b/src/android/camera_device.cpp
@@ -14,10 +14,12 @@
#include <vector>
#include <libcamera/base/log.h>
+#include <libcamera/base/unique_fd.h>
#include <libcamera/base/utils.h>
#include <libcamera/control_ids.h>
#include <libcamera/controls.h>
+#include <libcamera/fence.h>
#include <libcamera/formats.h>
#include <libcamera/property_ids.h>
@@ -420,7 +422,6 @@ void CameraDevice::flush()
state_ = State::Flushing;
}
- worker_.stop();
camera_->stop();
MutexLocker stateLock(stateMutex_);
@@ -433,7 +434,6 @@ void CameraDevice::stop()
if (state_ == State::Stopped)
return;
- worker_.stop();
camera_->stop();
{
@@ -930,13 +930,10 @@ int CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Reques
/*
* Inspect the camera stream type, create buffers opportunely
- * and add them to the Request if required. Only acquire fences
- * for streams of type Direct are handled by the CameraWorker,
- * while fences for streams of type Internal and Mapped are
- * handled at post-processing time.
+ * and add them to the Request if required.
*/
FrameBuffer *frameBuffer = nullptr;
- int acquireFence = -1;
+ UniqueFD acquireFence;
MutexLocker lock(descriptor->streamsProcessMutex_);
@@ -964,7 +961,7 @@ int CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Reques
cameraStream->configuration().pixelFormat,
cameraStream->configuration().size);
frameBuffer = buffer.frameBuffer.get();
- acquireFence = buffer.fence;
+ acquireFence = std::move(buffer.fence);
LOG(HAL, Debug) << ss.str() << " (direct)";
break;
@@ -990,13 +987,14 @@ int CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Reques
return -ENOMEM;
}
+ auto fence = std::make_unique<Fence>(std::move(acquireFence));
descriptor->request_->addBuffer(cameraStream->stream(),
- frameBuffer, acquireFence);
+ frameBuffer, std::move(fence));
}
/*
* Translate controls from Android to libcamera and queue the request
- * to the CameraWorker thread.
+ * to the camera.
*/
int ret = processControls(descriptor.get());
if (ret)
@@ -1022,26 +1020,23 @@ int CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Reques
}
if (state_ == State::Stopped) {
- worker_.start();
-
ret = camera_->start();
if (ret) {
LOG(HAL, Error) << "Failed to start camera";
- worker_.stop();
return ret;
}
state_ = State::Running;
}
- CaptureRequest *request = descriptor->request_.get();
+ Request *request = descriptor->request_.get();
{
MutexLocker descriptorsLock(descriptorsMutex_);
descriptors_.push(std::move(descriptor));
}
- worker_.queueRequest(request);
+ camera_->queueRequest(request);
return 0;
}
@@ -1063,16 +1058,17 @@ void CameraDevice::requestComplete(Request *request)
/*
* Streams of type Direct have been queued to the
* libcamera::Camera and their acquire fences have
- * already been waited on by the CameraWorker.
+ * already been waited on by the library.
*
* Acquire fences of streams of type Internal and Mapped
* will be handled during post-processing.
- *
- * \todo Instrument the CameraWorker to set the acquire
- * fence to -1 once it has handled it and remove this check.
*/
- if (stream->type() == CameraStream::Type::Direct)
- buffer.fence = -1;
+ if (stream->type() == CameraStream::Type::Direct) {
+ /* If handling of the fence has failed restore buffer.fence. */
+ std::unique_ptr<Fence> fence = buffer.frameBuffer->releaseFence();
+ if (fence)
+ buffer.fence = fence->release();
+ }
buffer.status = Camera3RequestDescriptor::Status::Success;
}
@@ -1193,7 +1189,7 @@ void CameraDevice::sendCaptureResults()
std::vector<camera3_stream_buffer_t> resultBuffers;
resultBuffers.reserve(descriptor->buffers_.size());
- for (const auto &buffer : descriptor->buffers_) {
+ for (auto &buffer : descriptor->buffers_) {
camera3_buffer_status status = CAMERA3_BUFFER_STATUS_ERROR;
if (buffer.status == Camera3RequestDescriptor::Status::Success)
@@ -1207,7 +1203,7 @@ void CameraDevice::sendCaptureResults()
*/
resultBuffers.push_back({ buffer.stream->camera3Stream(),
buffer.camera3Buffer, status,
- -1, buffer.fence });
+ -1, buffer.fence.release() });
}
captureResult.num_output_buffers = resultBuffers.size();
diff --git a/src/android/camera_device.h b/src/android/camera_device.h
index e5d9cda2..64050416 100644
--- a/src/android/camera_device.h
+++ b/src/android/camera_device.h
@@ -29,7 +29,6 @@
#include "camera_capabilities.h"
#include "camera_metadata.h"
#include "camera_stream.h"
-#include "camera_worker.h"
#include "jpeg/encoder.h"
class Camera3RequestDescriptor;
@@ -105,8 +104,6 @@ private:
unsigned int id_;
camera3_device_t camera3Device_;
- CameraWorker worker_;
-
libcamera::Mutex stateMutex_; /* Protects access to the camera state. */
State state_ LIBCAMERA_TSA_GUARDED_BY(stateMutex_);
diff --git a/src/android/camera_request.cpp b/src/android/camera_request.cpp
index 8162aa78..91776907 100644
--- a/src/android/camera_request.cpp
+++ b/src/android/camera_request.cpp
@@ -47,8 +47,7 @@ Camera3RequestDescriptor::Camera3RequestDescriptor(
* Create the CaptureRequest, stored as a unique_ptr<> to tie its
* lifetime to the descriptor.
*/
- request_ = std::make_unique<CaptureRequest>(camera,
- reinterpret_cast<uint64_t>(this));
+ request_ = camera->createRequest(reinterpret_cast<uint64_t>(this));
}
Camera3RequestDescriptor::~Camera3RequestDescriptor() = default;
diff --git a/src/android/camera_request.h b/src/android/camera_request.h
index d9b04f16..37b6ae32 100644
--- a/src/android/camera_request.h
+++ b/src/android/camera_request.h
@@ -13,6 +13,7 @@
#include <libcamera/base/class.h>
#include <libcamera/base/mutex.h>
+#include <libcamera/base/unique_fd.h>
#include <libcamera/camera.h>
#include <libcamera/framebuffer.h>
@@ -20,7 +21,6 @@
#include <hardware/camera3.h>
#include "camera_metadata.h"
-#include "camera_worker.h"
class CameraBuffer;
class CameraStream;
@@ -45,7 +45,7 @@ public:
CameraStream *stream;
buffer_handle_t *camera3Buffer;
std::unique_ptr<libcamera::FrameBuffer> frameBuffer;
- int fence;
+ libcamera::UniqueFD fence;
Status status = Status::Success;
libcamera::FrameBuffer *internalBuffer = nullptr;
const libcamera::FrameBuffer *srcBuffer = nullptr;
@@ -72,7 +72,7 @@ public:
std::vector<StreamBuffer> buffers_;
CameraMetadata settings_;
- std::unique_ptr<CaptureRequest> request_;
+ std::unique_ptr<libcamera::Request> request_;
std::unique_ptr<CameraMetadata> resultMetadata_;
bool complete_ = false;
diff --git a/src/android/camera_stream.cpp b/src/android/camera_stream.cpp
index ee9bbe48..c2157450 100644
--- a/src/android/camera_stream.cpp
+++ b/src/android/camera_stream.cpp
@@ -170,16 +170,16 @@ int CameraStream::process(Camera3RequestDescriptor::StreamBuffer *streamBuffer)
ASSERT(type_ != Type::Direct);
/* Handle waiting on fences on the destination buffer. */
- if (streamBuffer->fence != -1) {
- int ret = waitFence(streamBuffer->fence);
+ if (streamBuffer->fence.isValid()) {
+ int ret = waitFence(streamBuffer->fence.get());
if (ret < 0) {
LOG(HAL, Error) << "Failed waiting for fence: "
- << streamBuffer->fence << ": " << strerror(-ret);
+ << streamBuffer->fence.get() << ": "
+ << strerror(-ret);
return ret;
}
- ::close(streamBuffer->fence);
- streamBuffer->fence = -1;
+ streamBuffer->fence.reset();
}
const StreamConfiguration &output = configuration();
diff --git a/src/android/camera_worker.cpp b/src/android/camera_worker.cpp
deleted file mode 100644
index dabb3054..00000000
--- a/src/android/camera_worker.cpp
+++ /dev/null
@@ -1,129 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-/*
- * Copyright (C) 2020, Google Inc.
- *
- * camera_worker.cpp - Process capture requests on behalf of the Camera HAL
- */
-
-#include "camera_worker.h"
-
-#include <errno.h>
-#include <string.h>
-#include <sys/poll.h>
-#include <unistd.h>
-
-#include "camera_device.h"
-
-using namespace libcamera;
-
-LOG_DECLARE_CATEGORY(HAL)
-
-/*
- * \class CaptureRequest
- * \brief Wrap a libcamera::Request associated with buffers and fences
- *
- * A CaptureRequest is constructed by the CameraDevice, filled with
- * buffers and fences provided by the camera3 framework and then processed
- * by the CameraWorker which queues it to the libcamera::Camera after handling
- * fences.
- */
-CaptureRequest::CaptureRequest(Camera *camera, uint64_t cookie)
- : camera_(camera)
-{
- request_ = camera_->createRequest(cookie);
-}
-
-void CaptureRequest::addBuffer(Stream *stream, FrameBuffer *buffer, int fence)
-{
- request_->addBuffer(stream, buffer);
- acquireFences_.push_back(fence);
-}
-
-void CaptureRequest::queue()
-{
- camera_->queueRequest(request_.get());
-}
-
-/*
- * \class CameraWorker
- * \brief Process a CaptureRequest on an internal thread
- *
- * The CameraWorker class wraps a Worker that runs on an internal thread
- * and schedules processing of CaptureRequest through it.
- */
-CameraWorker::CameraWorker()
-{
- worker_.moveToThread(this);
-}
-
-void CameraWorker::start()
-{
- Thread::start();
-}
-
-void CameraWorker::stop()
-{
- exit();
- wait();
-}
-
-void CameraWorker::run()
-{
- exec();
- dispatchMessages(Message::Type::InvokeMessage);
-}
-
-void CameraWorker::queueRequest(CaptureRequest *request)
-{
- /* Async process the request on the worker which runs its own thread. */
- worker_.invokeMethod(&Worker::processRequest, ConnectionTypeQueued,
- request);
-}
-
-/*
- * \class CameraWorker::Worker
- * \brief Process a CaptureRequest handling acquisition fences
- */
-int CameraWorker::Worker::waitFence(int fence)
-{
- /*
- * \todo Better characterize the timeout. Currently equal to the one
- * used by the Rockchip Camera HAL on ChromeOS.
- */
- constexpr unsigned int timeoutMs = 300;
- struct pollfd fds = { fence, POLLIN, 0 };
-
- do {
- int ret = poll(&fds, 1, timeoutMs);
- if (ret == 0)
- return -ETIME;
-
- if (ret > 0) {
- if (fds.revents & (POLLERR | POLLNVAL))
- return -EINVAL;
-
- return 0;
- }
- } while (errno == EINTR || errno == EAGAIN);
-
- return -errno;
-}
-
-void CameraWorker::Worker::processRequest(CaptureRequest *request)
-{
- /* Wait on all fences before queuing the Request. */
- for (int fence : request->fences()) {
- if (fence == -1)
- continue;
-
- int ret = waitFence(fence);
- close(fence);
- if (ret < 0) {
- LOG(HAL, Error) << "Failed waiting for fence: "
- << fence << ": " << strerror(-ret);
- return;
- }
- }
-
- request->queue();
-}
diff --git a/src/android/camera_worker.h b/src/android/camera_worker.h
deleted file mode 100644
index 26ecc273..00000000
--- a/src/android/camera_worker.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-/*
- * Copyright (C) 2020, Google Inc.
- *
- * camera_worker.h - Process capture requests on behalf of the Camera HAL
- */
-
-#pragma once
-
-#include <memory>
-#include <stdint.h>
-
-#include <libcamera/base/object.h>
-#include <libcamera/base/thread.h>
-
-#include <libcamera/camera.h>
-#include <libcamera/framebuffer.h>
-#include <libcamera/request.h>
-#include <libcamera/stream.h>
-
-class CameraDevice;
-
-class CaptureRequest
-{
-public:
- CaptureRequest(libcamera::Camera *camera, uint64_t cookie);
-
- const std::vector<int> &fences() const { return acquireFences_; }
- libcamera::ControlList &controls() { return request_->controls(); }
- const libcamera::ControlList &metadata() const
- {
- return request_->metadata();
- }
- unsigned long cookie() const { return request_->cookie(); }
-
- void addBuffer(libcamera::Stream *stream,
- libcamera::FrameBuffer *buffer, int fence);
- void queue();
-
-private:
- libcamera::Camera *camera_;
- std::vector<int> acquireFences_;
- std::unique_ptr<libcamera::Request> request_;
-};
-
-class CameraWorker : private libcamera::Thread
-{
-public:
- CameraWorker();
-
- void start();
- void stop();
-
- void queueRequest(CaptureRequest *request);
-
-protected:
- void run() override;
-
-private:
- class Worker : public libcamera::Object
- {
- public:
- void processRequest(CaptureRequest *request);
-
- private:
- int waitFence(int fence);
- };
-
- Worker worker_;
-};
diff --git a/src/android/meson.build b/src/android/meson.build
index 332b177c..75b4bf20 100644
--- a/src/android/meson.build
+++ b/src/android/meson.build
@@ -47,7 +47,6 @@ android_hal_sources = files([
'camera_ops.cpp',
'camera_request.cpp',
'camera_stream.cpp',
- 'camera_worker.cpp',
'jpeg/encoder_libjpeg.cpp',
'jpeg/exif.cpp',
'jpeg/post_processor_jpeg.cpp',
generated by cgit v1.2.1 (git 2.18.0) at 2024-05-17 18:20:24 +0000