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TAV: lax scene detection algo

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minjaesong
2025-11-20 02:42:11 +09:00
parent 92274a8e19
commit a61a21d28b
1 changed files with 4 additions and 4 deletions
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8
video_encoder/encoder_tav.c
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@@ -148,10 +148,10 @@ typedef enum {
#define ANALYSIS_SUBSAMPLE_FACTOR 4 // Subsample to 1/4 resolution for speed
#define ANALYSIS_DWT_LEVELS 3 // 3-level Haar DWT for analysis
#define ANALYSIS_MOVING_WINDOW 30 // Moving average window (30 frames = ~1 second)
#define ANALYSIS_STDDEV_MULTIPLIER 2.0 // Standard deviation multiplier for adaptive threshold (balanced sensitivity)
#define ANALYSIS_LL_DIFF_MIN_THRESHOLD 2.0 // Minimum absolute threshold for LL_diff (avoid false positives)
#define ANALYSIS_HB_RATIO_THRESHOLD 0.70 // Highband energy ratio threshold (balanced for scene cuts)
#define ANALYSIS_HB_ENERGY_MULTIPLIER 2.5 // Energy spike multiplier (2.5× mean to trigger)
#define ANALYSIS_STDDEV_MULTIPLIER 1.4 // Standard deviation multiplier for adaptive threshold (balanced sensitivity)
#define ANALYSIS_LL_DIFF_MIN_THRESHOLD 1.5 // Minimum absolute threshold for LL_diff (avoid false positives)
#define ANALYSIS_HB_RATIO_THRESHOLD 0.4 // Highband energy ratio threshold (balanced for scene cuts)
#define ANALYSIS_HB_ENERGY_MULTIPLIER 1.4 // Energy spike multiplier (2.5× mean to trigger)
#define ANALYSIS_FADE_THRESHOLD 50.0 // Brightness change threshold over 5 frames
#define ANALYSIS_GOP_MIN_SIZE 10 // Minimum GOP size for two-pass mode. Keep it same as default settings.
#define ANALYSIS_GOP_MAX_SIZE 24 // Maximum GOP size for two-pass mode. Keep it same as default settings.