zfm: size string for gigabytes

assets/disk0/tvdos/bin/zfm.js

@@ -72,6 +72,7 @@ let cursor = [0, 0] // absolute position!
 
 function bytesToReadable(i) {
     return ''+ (
+       (i > 999999999) ? (((i / 10000000)|0)/100 + "G") :
        (i > 999999) ? (((i / 10000)|0)/100 + "M") :
        (i > 9999) ? (((i / 100)|0)/10 + "K") :
        i

video_encoder/TAD_README.md

@@ -25,7 +25,7 @@ TAD (TSVM Advanced Audio) is a modern audio codec built on discrete wavelet tran
 
 - **Pre-processing**
   - First-order IIR pre-emphasis filter (α=0.5) shifts quantisation noise to lower frequencies, where they are less objectionable to listeners
-  - Gamma compression (γ=0.5) for dynamic range compression before quantisation
+  - Gamma companding (γ=0.5) for dynamic range compression before quantisation
   - Mid/Side stereo transformation exploits stereo correlation
   - Lambda companding (λ=6.0) with Laplacian CDF mapping for full bit utilisation
 
@@ -141,7 +141,7 @@ Audio is automatically resampled to 32 KHz stereo if necessary.
    - Shifts quantisation noise toward lower frequencies
    - Improves perceptual quality
 
-3. **Gamma Compression**
+3. **Gamma Companding**
    - Dynamic range compression with γ=0.5
    - Applied independently to each sample
    - Reduces quantisation error for low-amplitude signals
@@ -205,7 +205,7 @@ Audio is automatically resampled to 32 KHz stereo if necessary.
    - R = Mid - Side
    - Reconstruct stereo channels
 
-7. **Gamma Expansion**
+7. **Gamma Decompanding**
    - Inverse gamma with γ⁻¹=2.0
    - Restore original dynamic range
 
@@ -309,7 +309,7 @@ Different weights for Mid and Side channels reflect perceptual importance of fre
 ### Quality Characteristics
 
 - **Frequency Response**: Flat 0-16 KHz within perceptual limits
-- **Dynamic Range**: Preserved through gamma compression/expansion
+- **Dynamic Range**: Preserved through gamma companding
 - **Stereo Imaging**: Maintained through Mid/Side decorrelation
 - **Perceptual Quality**: Optimised for human auditory system characteristics
 

video_encoder/encoder_tav.c

@@ -6706,7 +6706,7 @@ static void quantise_dwt_coefficients_perceptual_per_coeff_no_normalisation(tav_
         quantised[i] = (int16_t)CLAMP((int)quantised_val, -32768, 32767);
 
         // Debug: Print LL subband coefficients (9×7 at top-left for 560×448)
-        static int debug_once = 1;
+        /*static int debug_once = 1;
         if (debug_once && i < 63 && width == 560 && !is_chroma) {
             int x = i % width;
             int y = i / width;
@@ -6715,7 +6715,7 @@ static void quantise_dwt_coefficients_perceptual_per_coeff_no_normalisation(tav_
                         x, y, i, coeffs[i], weight, effective_q, quantised_val, quantised[i]);
                 if (i == 62) debug_once = 0;
             }
-        }
+        }*/
     }
 }
 
@@ -9852,7 +9852,6 @@ int main(int argc, char *argv[]) {
         {"fps", required_argument, 0, 'f'},
         {"quality", required_argument, 0, 'q'},
         {"quantiser", required_argument, 0, 'Q'},
-        {"quantiser", required_argument, 0, 'Q'},
         {"wavelet", required_argument, 0, 1010},
         {"channel-layout", required_argument, 0, 'c'},
         {"bitrate", required_argument, 0, 'b'},