// cudafeat/online-cuda-feature-pipeline.h
  
  // Copyright 2013-2014   Johns Hopkins University (author: Daniel Povey)
  
  // See ../../COPYING for clarification regarding multiple 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
  //
  // THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
  // WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
  // MERCHANTABLITY OR NON-INFRINGEMENT.
  // See the Apache 2 License for the specific language governing permissions and
  // limitations under the License.
  
  #ifndef KALDI_CUDAFEAT_ONLINE_CUDA_FEATURE_PIPELINE_H_
  #define KALDI_CUDAFEAT_ONLINE_CUDA_FEATURE_PIPELINE_H_
  
  #include <deque>
  #include <string>
  #include <vector>
  
  #include "base/kaldi-error.h"
  #include "cudafeat/feature-mfcc-cuda.h"
  #include "cudafeat/online-ivector-feature-cuda.h"
  #include "matrix/matrix-lib.h"
  #include "online2/online-nnet2-feature-pipeline.h"
  #include "util/common-utils.h"
  
  namespace kaldi {
  
  class OnlineCudaFeaturePipeline {
   public:
    explicit OnlineCudaFeaturePipeline(
        const OnlineNnet2FeaturePipelineConfig &config);
  
    void ComputeFeatures(const CuVectorBase<BaseFloat> &cu_wave,
                         BaseFloat sample_freq,
                         CuMatrix<BaseFloat> *input_features,
                         CuVector<BaseFloat> *ivector_features);
  
    ~OnlineCudaFeaturePipeline();
  
   private:
    OnlineNnet2FeaturePipelineInfo info_;
    CudaMfcc *mfcc;
    IvectorExtractorFastCuda *ivector;
  };
  }  // namespace kaldi
  
  #endif  // KALDI_CUDAFEAT_ONLINE_CUDA_FEATURE_EXTRACTOR_H_