sample_format_converter.h

Go to the documentation of this file.

#ifndef AUDIOGRAPHER_SAMPLE_FORMAT_CONVERTER_H
#define AUDIOGRAPHER_SAMPLE_FORMAT_CONVERTER_H
 
#include "audiographer/visibility.h"
#include "audiographer/sink.h"
#include "audiographer/utils/listed_source.h"
#include "private/gdither/gdither_types.h"
 
namespace AudioGrapher
{
 
enum /*LIBAUDIOGRAPHER_API*/ DitherType
{
        D_None   = GDitherNone,   
        D_Rect   = GDitherRect,   
        D_Tri    = GDitherTri,    
        D_Shaped = GDitherShaped  
};
 
template <typename TOut>
class LIBAUDIOGRAPHER_API SampleFormatConverter
  : public Sink<float>
  , public ListedSource<TOut>
  , public Throwing<>
{
  public:
        SampleFormatConverter (ChannelCount channels);
        ~SampleFormatConverter ();
 
        void init (samplecnt_t max_samples, int type, int data_width);
 
        void set_clip_floats (bool yn) { clip_floats = yn; }
 
        void process (ProcessContext<float> const & c_in);
 
        void process (ProcessContext<float> & c_in);
 
  private:
        void reset();
        void init_common (samplecnt_t max_samples); // not-template-specialized part of init
        void check_sample_and_channel_count (samplecnt_t samples, ChannelCount channels_);
 
        ChannelCount channels;
        GDither      dither;
        samplecnt_t   data_out_size;
        TOut *       data_out;
 
        bool         clip_floats;
 
};
 
} // namespace
 
#endif // AUDIOGRAPHER_SAMPLE_FORMAT_CONVERTER_H