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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_MODEL_H_
- #define MEDIA_LEARNING_IMPL_MODEL_H_
- #include "base/callback.h"
- #include "base/component_export.h"
- #include "media/learning/common/labelled_example.h"
- #include "media/learning/common/target_histogram.h"
- namespace media {
- namespace learning {
- // One trained model, useful for making predictions.
- // TODO(liberato): Provide an API for incremental update, for those models that
- // can support it.
- class COMPONENT_EXPORT(LEARNING_IMPL) Model {
- public:
- // Callback for asynchronous predictions.
- using PredictionCB = base::OnceCallback<void(TargetHistogram predicted)>;
- virtual ~Model() = default;
- virtual TargetHistogram PredictDistribution(
- const FeatureVector& instance) = 0;
- // TODO(liberato): Consider adding an async prediction helper.
- };
- } // namespace learning
- } // namespace media
- #endif // MEDIA_LEARNING_IMPL_MODEL_H_
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