AudioProcessorBinding Class Reference

Public Member Functions
	AudioProcessorBinding (int sample_rate, bool bypass, unsigned frame_samples)
	AudioProcessorBinding (int sample_rate, bool bypass, unsigned frame_samples, int channels)
	~AudioProcessorBinding ()
	AudioProcessorBinding (const AudioProcessorBinding &)=delete
AudioProcessorBinding &	operator= (const AudioProcessorBinding &)=delete
bool	valid () const
int	process (AudioSamples input, AudioSamples output)

Detailed Description

Definition at line 33 of file audio.cpp.

Constructor & Destructor Documentation

AudioProcessorBinding() [1/3]

AudioProcessorBinding::AudioProcessorBinding ( int sample_rate, bool bypass, unsigned frame_samples )

inline

Definition at line 35 of file audio.cpp.

      : AudioProcessorBinding(sample_rate, bypass, frame_samples, 2) {}

References AudioProcessorBinding().

Referenced by AudioProcessorBinding(), AudioProcessorBinding(), and operator=().

AudioProcessorBinding() [2/3]

AudioProcessorBinding::AudioProcessorBinding ( int sample_rate, bool bypass, unsigned frame_samples, int channels )

inline

Definition at line 37 of file audio.cpp.

      : processor_(create_processor(sample_rate, bypass, frame_samples, channels)),
        scratch_(processor_ ? frame_samples : 0) {}

~AudioProcessorBinding()

AudioProcessorBinding::~AudioProcessorBinding ( )

inline

Definition at line 40 of file audio.cpp.

                           {
    if (processor_)
      audio_processor_destroy(processor_);
  }

References audio_processor_destroy().

AudioProcessorBinding() [3/3]

AudioProcessorBinding::AudioProcessorBinding ( const AudioProcessorBinding & )

delete

References AudioProcessorBinding().

Member Function Documentation

operator=()

AudioProcessorBinding & AudioProcessorBinding::operator= ( const AudioProcessorBinding & )

delete

References AudioProcessorBinding().

process()

int AudioProcessorBinding::process ( AudioSamples input, AudioSamples output )

inline

Definition at line 51 of file audio.cpp.

                                                       {
    const size_t count = input["length"].as<size_t>();
    if (!processor_)
      return SET_ERRNO(ERROR_INVALID_STATE, "Audio processor is not initialized");
    if (count == 0 || count > scratch_.size() || output["length"].as<size_t>() != count)
      return SET_ERRNO(ERROR_INVALID_PARAM, "Invalid audio processor buffer size: %zu", count);
    emscripten::val view = emscripten::val(emscripten::typed_memory_view(count, scratch_.data()));
    view.call<void>("set", input);
    int result = audio_processor_process(processor_, scratch_.data(), scratch_.data(), count);
    if (result == 0) {
      // Processing may grow memory, so do not retain the previous JS view.
      emscripten::val result_view = emscripten::val(emscripten::typed_memory_view(count, scratch_.data()));
      output.call<void>("set", result_view);
    }
    return result;
  }

References audio_processor_process(), ERROR_INVALID_PARAM, ERROR_INVALID_STATE, and SET_ERRNO.

Referenced by EMSCRIPTEN_BINDINGS().

valid()

bool AudioProcessorBinding::valid ( ) const

inline

Definition at line 48 of file audio.cpp.

                     {
    return processor_ != nullptr;
  }

Referenced by EMSCRIPTEN_BINDINGS().

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The documentation for this class was generated from the following file:

• audio.cpp