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libtavenc: fixed gop size

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This commit is contained in:
minjaesong
2025-12-07 04:36:19 +09:00
parent 7f951366da
commit 189646a8dc
2 changed files with 4 additions and 12 deletions
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14
video_encoder/lib/libtavenc/tav_encoder_lib.c
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@@ -282,7 +282,7 @@ void tav_encoder_params_init(tav_encoder_params_t *params, int width, int height
// GOP settings
params->enable_temporal_dwt = 1; // Enable 3D DWT GOP encoding
params->gop_size = 0; // Auto (8 for 60fps, 16 for 30fps)
params->gop_size = 24; // always 24
params->enable_two_pass = 1; // Enable scene change detection
// Quality defaults (level 3 = balanced)
@@ -394,16 +394,8 @@ tav_encoder_context_t *tav_encoder_create(const tav_encoder_params_t *params) {
ctx->decomp_levels = (levels > 6) ? 6 : levels;
}
// Calculate GOP size if auto (0)
if (ctx->gop_size == 0) {
int fps = ctx->fps_num / ctx->fps_den;
if (fps >= 50) {
ctx->gop_size = 8; // High frame rate: smaller GOPs
} else if (fps >= 25) {
ctx->gop_size = 16; // Medium frame rate
} else {
ctx->gop_size = 24; // Low frame rate: larger GOPs
}
if (ctx->gop_size <= 0) {
ctx->gop_size = 24;
}
// Auto-select temporal wavelet if still at default (255=Haar) and temporal DWT enabled

2
video_encoder/src/encoder_tav.c
View File

@@ -159,7 +159,7 @@ static void print_usage(const char *program) {
printf("\nGOP Options:\n");
printf(" --temporal-dwt Enable 3D DWT GOP encoding (default)\n");
printf(" --intra-only Disable temporal compression (I-frames only)\n");
printf(" --gop-size N GOP size 8/16/24 (default: auto-calculated)\n");
printf(" --gop-size N GOP size 8/16/24 (default: 24)\n");
printf(" --single-pass Disable scene change detection\n");
printf("\nCompression:\n");
printf(" --zstd-level N Zstd level 3-22 (default: 7)\n");