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// This file is part of the 64k demo project.
// It implements the mock audio backend for testing.
// Records voice trigger events with precise timestamps.
#include "mock_audio_backend.h"
#if !defined(STRIP_ALL)
MockAudioBackend::MockAudioBackend() : current_time_sec_(0.0f) {
}
MockAudioBackend::~MockAudioBackend() {
}
void MockAudioBackend::init() {
// No-op for mock backend
}
void MockAudioBackend::start() {
// No-op for mock backend
}
void MockAudioBackend::shutdown() {
// No-op for mock backend
}
void MockAudioBackend::on_voice_triggered(float timestamp, int spectrogram_id,
float volume, float pan) {
// Record the event with the timestamp provided by synth
VoiceTriggerEvent event;
event.timestamp_sec = timestamp;
event.spectrogram_id = spectrogram_id;
event.volume = volume;
event.pan = pan;
recorded_events_.push_back(event);
}
void MockAudioBackend::on_frames_rendered(int num_frames) {
// Update internal time based on frames rendered
// This is called by audio_render_silent() for seek/fast-forward simulation
const float delta_sec = (float)num_frames / (float)kSampleRate;
current_time_sec_ += delta_sec;
}
#endif /* !defined(STRIP_ALL) */
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