diff options
Diffstat (limited to 'src/audio/tracker.cc')
| -rw-r--r-- | src/audio/tracker.cc | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/audio/tracker.cc b/src/audio/tracker.cc index 37f0683..38c814d 100644 --- a/src/audio/tracker.cc +++ b/src/audio/tracker.cc @@ -193,7 +193,8 @@ static int get_free_pattern_slot() { // sample-accurate timing) // volume_mult: Additional volume multiplier (for humanization) static void trigger_note_event(const TrackerEvent& event, - int start_offset_samples, float volume_mult = 1.0f) { + int start_offset_samples, + float volume_mult = 1.0f) { #if defined(DEBUG_LOG_TRACKER) // VALIDATION: Check sample_id bounds if (event.sample_id >= g_tracker_samples_count) { @@ -234,10 +235,10 @@ static void trigger_note_event(const TrackerEvent& event, } void tracker_update(float music_time_sec, float dt_music_sec) { - // TODO(timing): CRITICAL BUG - Events trigger ~180ms early over 63 beats @ BPM=90 - // Observed: Beat 63 snare at 41.82s in WAV, should be at 42.00s (180ms drift) - // NOTE: This is NOT a float vs double precision issue - floats handle <500s times fine - // Root cause unknown - suspects: + // TODO(timing): CRITICAL BUG - Events trigger ~180ms early over 63 beats @ + // BPM=90 Observed: Beat 63 snare at 41.82s in WAV, should be at 42.00s (180ms + // drift) NOTE: This is NOT a float vs double precision issue - floats handle + // <500s times fine Root cause unknown - suspects: // 1. Systematic bias in time calculation (not random accumulation) // 2. Truncation in audio.cc:103 chunk_frames = (int)(dt * sample_rate) // 3. BPM calculation precision below (unit_duration_sec) |