Files
external_libcamera/include/libcamera/internal/request.h
Barnabás Pőcze 4f8b1290e4 libcamera: request: Store fence EventNotifier directly
Simplify a bit by storing the `EventNotifier` objects directly in the
`std::map` instead of wrapping them in unique_ptr. An other advantage
is that it removes one allocation per fence.

Signed-off-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
2025-11-21 15:40:27 +01:00

67 lines
1.3 KiB
C++

/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* Request class private data
*/
#pragma once
#include <chrono>
#include <map>
#include <memory>
#include <stdint.h>
#include <unordered_set>
#include <libcamera/base/event_notifier.h>
#include <libcamera/base/timer.h>
#include <libcamera/request.h>
using namespace std::chrono_literals;
namespace libcamera {
class Camera;
class FrameBuffer;
class Request::Private : public Extensible::Private
{
LIBCAMERA_DECLARE_PUBLIC(Request)
public:
Private(Camera *camera);
~Private();
Camera *camera() const { return camera_; }
bool hasPendingBuffers() const;
bool completeBuffer(FrameBuffer *buffer);
void complete();
void cancel();
void reset();
void prepare(std::chrono::milliseconds timeout = 0ms);
Signal<> prepared;
private:
friend class PipelineHandler;
friend std::ostream &operator<<(std::ostream &out, const Request &r);
void doCancelRequest();
void emitPrepareCompleted();
void notifierActivated(FrameBuffer *buffer);
void timeout();
Camera *camera_;
bool cancelled_;
uint32_t sequence_ = 0;
bool prepared_ = false;
std::unordered_set<FrameBuffer *> pending_;
std::map<FrameBuffer *, EventNotifier> notifiers_;
std::unique_ptr<Timer> timer_;
};
} /* namespace libcamera */