LCOV - code coverage report
Current view: top level - Tools - VolumeFilter.h (source / functions) Hit Total Coverage
Test: coverage.info.cleaned Lines: 1 1 100.0 %
Date: 2021-02-18 20:07:22 Functions: 2 4 50.0 %

          Line data    Source code
       1             : /**
       2             :  * \file VolumeFilter.h
       3             :  */
       4             : 
       5             : #ifndef ATK_TOOLS_VOLUMEFILTER_H
       6             : #define ATK_TOOLS_VOLUMEFILTER_H
       7             : 
       8             : #include <ATK/Core/TypedBaseFilter.h>
       9             : #include <ATK/Tools/config.h>
      10             : 
      11             : namespace ATK
      12             : {
      13             :   /// Scales input signals
      14             :   template<typename DataType_>
      15             :   class ATK_TOOLS_EXPORT VolumeFilter final : public TypedBaseFilter<DataType_>
      16             :   {
      17             :   protected:
      18             :     /// Simplify parent calls
      19             :     using Parent = TypedBaseFilter<DataType_>;
      20             :     using typename Parent::DataType;
      21             :     using Parent::converted_inputs;
      22             :     using Parent::outputs;
      23             :     using Parent::nb_input_ports;
      24             :     using Parent::nb_output_ports;
      25             : 
      26             :   public:
      27             :     /*!
      28             :     * @brief Constructor
      29             :     * @param nb_channels is the number of input and output channels
      30             :     */
      31             :     explicit VolumeFilter(gsl::index nb_channels = 1);
      32             :     /// Destructor
      33          40 :     ~VolumeFilter() override = default;
      34             : 
      35             :     /// Changes the output volume
      36             :     void set_volume(DataType_ volume);
      37             :     /// Sets the output volume in dB
      38             :     void set_volume_db(double volume_db);
      39             :     /// Gets the output volume
      40             :     DataType_ get_volume() const;
      41             :     
      42             :   protected:
      43             :     void process_impl(gsl::index size) const final;
      44             :     
      45             :   private:
      46             :     DataType_ volume{1};
      47             :   };
      48             : }
      49             : 
      50             : #endif

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