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29 #ifndef AudioSourceProvider_h
30 #define AudioSourceProvider_h
35 class AudioSourceProviderClient;
37 // Abstract base-class for a pull-model client.
38 class AudioSourceProvider {
40 // provideInput() gets called repeatedly to render time-slices of a continuous audio stream.
41 virtual void provideInput(AudioBus* bus, size_t framesToProcess) = 0;
43 // If a client is set, we call it back when the audio format is available or changes.
44 virtual void setClient(AudioSourceProviderClient*) { };
46 virtual ~AudioSourceProvider() { }
51 #endif // AudioSourceProvider_h