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127 | /* ============================================================
*
* This file is a part of digiKam project
* https://www.digikam.org
*
* Date : 2024-11-10
* Description : Integrated, multithread face detection / recognition
*
* SPDX-FileCopyrightText: 2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
* SPDX-FileCopyrightText: 2024 by Michael Miller <michael underscore miller at msn dot com>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* ============================================================ */
#pragma once
// Qt includes
#include <QImage>
#include <QSemaphore>
#include <QAtomicInteger>
#include <QMutex>
#include <QMutexLocker>
#include <QThreadPool>
#include <QFuture>
#include <QFutureWatcher>
// local includes
#include "mlpipelinefoundation.h"
#include "facescansettings.h"
namespace Digikam
{
class FacePipelineBase : public MLPipelineFoundation
{
public:
enum FilterMode
{
/// Will read any given image.
ScanAll,
/// Scan new images, will skip any image that is already marked as scanned.
ScanNew,
/// Adds new face(s) to training
TrainNew,
/// Retrains the face DB
TrainAll,
/// Removes the face(s) from training
TrainRemove,
/// Removes all face training, sets all images to not scanned
TrainReset
};
enum WriteMode
{
/// Write results. Merge with existing entries.
NormalWrite,
/// Add new results. Previous all results will be cleared.
OverwriteAllFaces,
/// Add new results. Previous unconfirmed results will be cleared.
OverwriteUnconfirmed
};
explicit FacePipelineBase(const FaceScanSettings& _settings);
virtual ~FacePipelineBase();
virtual bool start() override;<--- Function in derived class
virtual void cancel() override;<--- Function in derived class
// Q_SIGNALS:
// /// Emitted when processing is scheduled.
// void scheduled();
// /// Emitted when processing has started.
// void started(const QString& message);
// /// Emitted when one package begins processing.
// void processing(const FacePipelinePackageNotify::Ptr& package);
// /// Emitted when one package has finished processing.
// void processed(const FacePipelinePackageNotify::Ptr& package);
// void progressValueChanged(float progress);
// /// Emitted when the last package has finished processing.
// void finished();
// /// Emitted when one or several packages were skipped, usually because they have already been scanned.
// void skipped(const FacePipelinePackageNotify::Ptr& package);
// void signalAddMoreWorkers();
// private Q_SLOTS:
// void slotFinished();
// void slotAddMoreWorkers();
protected:
FaceScanSettings settings;
protected:
bool commonFaceThumbnailLoader(const QString& pipelineName, MLPipelineFoundation::MLPipelineStage thisStage, MLPipelineFoundation::MLPipelineStage nextStage);
bool commonFaceThumbnailExtractor(const QString& pipelineName, MLPipelineFoundation::MLPipelineStage thisStage, MLPipelineFoundation::MLPipelineStage nextStage);
// queue helper functions
bool enqueue(MLPipelineQueue* thisQueue, MLPipelinePackageFoundation* package) override;
private:
FacePipelineBase() = delete;
FacePipelineBase(FacePipelineBase&) = delete;
};
}
|