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// 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.
//
#include "draco/compression/encode.h"
#include "draco/compression/expert_encode.h"
namespace draco {
Encoder::Encoder() {}
Status Encoder::EncodePointCloudToBuffer(const PointCloud &pc,
EncoderBuffer *out_buffer) {
ExpertEncoder encoder(pc);
encoder.Reset(CreateExpertEncoderOptions(pc));
return encoder.EncodeToBuffer(out_buffer);
}
Status Encoder::EncodeMeshToBuffer(const Mesh &m, EncoderBuffer *out_buffer) {
ExpertEncoder encoder(m);
encoder.Reset(CreateExpertEncoderOptions(m));
DRACO_RETURN_IF_ERROR(encoder.EncodeToBuffer(out_buffer));
set_num_encoded_points(encoder.num_encoded_points());
set_num_encoded_faces(encoder.num_encoded_faces());
return OkStatus();
}
EncoderOptions Encoder::CreateExpertEncoderOptions(const PointCloud &pc) const {
EncoderOptions ret_options = EncoderOptions::CreateEmptyOptions();
ret_options.SetGlobalOptions(options().GetGlobalOptions());
ret_options.SetFeatureOptions(options().GetFeaturelOptions());
// Convert type-based attribute options to specific attributes in the provided
// point cloud.
for (int i = 0; i < pc.num_attributes(); ++i) {
const Options *att_options =
options().FindAttributeOptions(pc.attribute(i)->attribute_type());
if (att_options) {
ret_options.SetAttributeOptions(i, *att_options);
}
}
return ret_options;
}
void Encoder::Reset(
const EncoderOptionsBase<GeometryAttribute::Type> &options) {
Base::Reset(options);
}
void Encoder::Reset() { Base::Reset(); }
void Encoder::SetSpeedOptions(int encoding_speed, int decoding_speed) {
Base::SetSpeedOptions(encoding_speed, decoding_speed);
}
void Encoder::SetAttributeQuantization(GeometryAttribute::Type type,
int quantization_bits) {
options().SetAttributeInt(type, "quantization_bits", quantization_bits);
}
void Encoder::SetAttributeExplicitQuantization(GeometryAttribute::Type type,
int quantization_bits,
int num_dims,
const float *origin,
float range) {
options().SetAttributeInt(type, "quantization_bits", quantization_bits);
options().SetAttributeVector(type, "quantization_origin", num_dims, origin);
options().SetAttributeFloat(type, "quantization_range", range);
}
void Encoder::SetEncodingMethod(int encoding_method) {
Base::SetEncodingMethod(encoding_method);
}
Status Encoder::SetAttributePredictionScheme(GeometryAttribute::Type type,
int prediction_scheme_method) {
Status status = CheckPredictionScheme(type, prediction_scheme_method);
if (!status.ok())
return status;
options().SetAttributeInt(type, "prediction_scheme",
prediction_scheme_method);
return status;
}
} // namespace draco
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