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TAD: working kotlin decoder

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minjaesong
2025-10-30 17:08:42 +09:00
parent 480d2d8538
commit 991d035bcc
9 changed files with 405 additions and 134 deletions
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26
video_encoder/encoder_tad_standalone.c
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@@ -48,8 +48,13 @@ static void print_usage(const char *prog_name) {
printf("Options:\n");
printf(" -i <file> Input audio file (any format supported by FFmpeg)\n");
printf(" -o <file> Output TAD32 file (optional, auto-generated as input.qN.tad)\n");
printf(" -q <bits> Positive side quantization steps (default: 47, range: up to 127)\n");
printf(" Higher = more precision, larger files\n");
printf(" -q <level> Quality level (0-5, default: %d)\n", TAD32_QUALITY_DEFAULT);
printf(" 0 = lowest quality/smallest (max_index=31)\n");
printf(" 1 = low quality (max_index=35)\n");
printf(" 2 = medium quality (max_index=39)\n");
printf(" 3 = good quality (max_index=47) [DEFAULT]\n");
printf(" 4 = high quality (max_index=56)\n");
printf(" 5 = very high quality/largest (max_index=89)\n");
printf(" -s <scale> Quantiser scaling factor (default: 1.0, range: 0.5-4.0)\n");
printf(" Higher = more aggressive quantization, smaller files\n");
printf(" 2.0 = quantize 2x coarser than baseline\n");
@@ -65,7 +70,7 @@ int main(int argc, char *argv[]) {
char *input_file = NULL;
char *output_file = NULL;
int max_index = 47; // Default QUANT_BITS
int quality = TAD32_QUALITY_DEFAULT; // Default quality level (0-5)
float quantiser_scale = 1.0f; // Default quantiser scaling
int verbose = 0;
@@ -86,7 +91,11 @@ int main(int argc, char *argv[]) {
output_file = optarg;
break;
case 'q':
max_index = atoi(optarg);
quality = atoi(optarg);
if (quality < TAD32_QUALITY_MIN || quality > TAD32_QUALITY_MAX) {
fprintf(stderr, "Error: Quality must be in range %d-%d\n", TAD32_QUALITY_MIN, TAD32_QUALITY_MAX);
return 1;
}
break;
case 's':
quantiser_scale = atof(optarg);
@@ -113,6 +122,9 @@ int main(int argc, char *argv[]) {
return 1;
}
// Convert quality (0-5) to max_index for quantization
int max_index = tad32_quality_to_max_index(quality);
// Generate output filename if not provided
if (!output_file) {
// Allocate space for output filename
@@ -140,8 +152,8 @@ int main(int argc, char *argv[]) {
strcpy(output_file + dir_len, basename_start);
}
// Append .qNN.tad
sprintf(output_file + strlen(output_file), ".q%d.tad", max_index);
// Append .qNN.tad (use quality level for filename)
sprintf(output_file + strlen(output_file), ".q%d.tad", quality);
if (verbose) {
printf("Auto-generated output path: %s\n", output_file);
@@ -152,7 +164,7 @@ int main(int argc, char *argv[]) {
printf("%s\n", ENCODER_VENDOR_STRING);
printf("Input: %s\n", input_file);
printf("Output: %s\n", output_file);
printf("Quant bits: %d\n", max_index);
printf("Quality level: %d (max_index=%d)\n", quality, max_index);
printf("Quantiser scale: %.2f\n", quantiser_scale);
}