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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_LEARNING_IMPL_TRAINING_ALGORITHM_H_
#define MEDIA_LEARNING_IMPL_TRAINING_ALGORITHM_H_
#include <memory>
#include "base/callback.h"
#include "media/learning/common/labelled_example.h"
#include "media/learning/impl/model.h"
namespace media {
namespace learning {
// Returns a trained model.
using TrainedModelCB = base::OnceCallback<void(std::unique_ptr<Model>)>;
// Base class for training algorithms.
class TrainingAlgorithm {
public:
TrainingAlgorithm() = default;
virtual ~TrainingAlgorithm() = default;
virtual void Train(const LearningTask& task,
const TrainingData& training_data,
TrainedModelCB model_cb) = 0;
private:
DISALLOW_COPY_AND_ASSIGN(TrainingAlgorithm);
};
} // namespace learning
} // namespace media
#endif // MEDIA_LEARNING_IMPL_TRAINING_ALGORITHM_H_
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