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Diffstat (limited to 'extern/draco/draco/src/draco/compression/attributes/prediction_schemes/prediction_scheme_encoder_interface.h')
-rw-r--r-- | extern/draco/draco/src/draco/compression/attributes/prediction_schemes/prediction_scheme_encoder_interface.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/extern/draco/draco/src/draco/compression/attributes/prediction_schemes/prediction_scheme_encoder_interface.h b/extern/draco/draco/src/draco/compression/attributes/prediction_schemes/prediction_scheme_encoder_interface.h new file mode 100644 index 00000000000..ab64bce7114 --- /dev/null +++ b/extern/draco/draco/src/draco/compression/attributes/prediction_schemes/prediction_scheme_encoder_interface.h @@ -0,0 +1,55 @@ +// Copyright 2016 The Draco Authors. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +#ifndef DRACO_COMPRESSION_ATTRIBUTES_PREDICTION_SCHEMES_PREDICTION_SCHEME_ENCODING_INTERFACE_H_ +#define DRACO_COMPRESSION_ATTRIBUTES_PREDICTION_SCHEMES_PREDICTION_SCHEME_ENCODING_INTERFACE_H_ + +#include "draco/compression/attributes/prediction_schemes/prediction_scheme_interface.h" +#include "draco/core/encoder_buffer.h" + +// Prediction schemes can be used during encoding and decoding of attributes +// to predict attribute values based on the previously encoded/decoded data. +// See prediction_scheme.h for more details. +namespace draco { + +// Abstract interface for all prediction schemes used during attribute encoding. +class PredictionSchemeEncoderInterface : public PredictionSchemeInterface { + public: + // Method that can be used to encode any prediction scheme specific data + // into the output buffer. + virtual bool EncodePredictionData(EncoderBuffer *buffer) = 0; +}; + +// A specialized version of the prediction scheme interface for specific +// input and output data types. +// |entry_to_point_id_map| is the mapping between value entries to point ids +// of the associated point cloud, where one entry is defined as |num_components| +// values of the |in_data|. +// DataTypeT is the data type of input and predicted values. +// CorrTypeT is the data type used for storing corrected values. +template <typename DataTypeT, typename CorrTypeT = DataTypeT> +class PredictionSchemeTypedEncoderInterface + : public PredictionSchemeEncoderInterface { + public: + // Applies the prediction scheme when encoding the attribute. + // |in_data| contains value entries to be encoded. + // |out_corr| is an output array containing the to be encoded corrections. + virtual bool ComputeCorrectionValues( + const DataTypeT *in_data, CorrTypeT *out_corr, int size, + int num_components, const PointIndex *entry_to_point_id_map) = 0; +}; + +} // namespace draco + +#endif // DRACO_COMPRESSION_ATTRIBUTES_PREDICTION_SCHEMES_PREDICTION_SCHEME_ENCODING_INTERFACE_H_ |