diff options
Diffstat (limited to 'src/audio/synth.h')
| -rw-r--r-- | src/audio/synth.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/audio/synth.h b/src/audio/synth.h index fe28e8d..9000891 100644 --- a/src/audio/synth.h +++ b/src/audio/synth.h @@ -1,26 +1,34 @@ +// This file is part of the 64k demo project. +// It defines the public interface and data structures for the synth. +// Supports spectrogram registration, voice triggering, and real-time rendering. + #pragma once #include "dct.h" +#include <cstdint> -#define MAX_SPECTROGRAMS 16 #define MAX_VOICES 16 +#define MAX_SPECTROGRAMS 8 struct Spectrogram { - float *spectral_data_a; - float *spectral_data_b; + const float *spectral_data_a; // Front buffer + const float *spectral_data_b; // Back buffer (for double-buffering) int num_frames; }; void synth_init(); void synth_shutdown(); +// Register a spectrogram for playback. Returns an ID or -1. int synth_register_spectrogram(const Spectrogram *spec); void synth_unregister_spectrogram(int spectrogram_id); +// Double-buffering API for thread-safe updates float *synth_begin_update(int spectrogram_id); void synth_commit_update(int spectrogram_id); void synth_trigger_voice(int spectrogram_id, float volume, float pan); void synth_render(float *output_buffer, int num_frames); + int synth_get_active_voice_count(); -float synth_get_output_peak(); +float synth_get_output_peak();
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