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authorskal <pascal.massimino@gmail.com>2026-02-15 23:56:43 +0100
committerskal <pascal.massimino@gmail.com>2026-02-15 23:56:43 +0100
commit5c7feffd3749ce4b355d0db6334cf39ca94d8d82 (patch)
tree7105aea12d0367208a37777cf53b348f35a66dad /src/audio/backend/silent_backend.cc
parente21127a3fc4797805d49ae2d95fc7ed6f94ac456 (diff)
perf(audio): smooth playback time and RMS-based peak at 60Hz
Interpolates audio playback time between callbacks using CLOCK_MONOTONIC for smooth 60Hz updates instead of coarse 8-10Hz steps. Replaces artificial peak decay with true RMS calculation over 50ms window. Ring buffer computes RMS directly on internal buffer without copies for efficiency. All backends updated with get_callback_state() interface for time interpolation. Tests passing (34/34). Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Diffstat (limited to 'src/audio/backend/silent_backend.cc')
-rw-r--r--src/audio/backend/silent_backend.cc5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/audio/backend/silent_backend.cc b/src/audio/backend/silent_backend.cc
index 6615eff..d6e1b19 100644
--- a/src/audio/backend/silent_backend.cc
+++ b/src/audio/backend/silent_backend.cc
@@ -32,6 +32,11 @@ float SilentBackend::get_realtime_peak() {
return test_peak_;
}
+void SilentBackend::get_callback_state(double* out_time, int64_t* out_samples) {
+ *out_time = 0.0;
+ *out_samples = 0;
+}
+
void SilentBackend::on_voice_triggered(float timestamp, int spectrogram_id,
float volume, float pan) {
// Track voice triggers for testing