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TAV: default Zstd level to 9 for faster encoding

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minjaesong
2025-10-06 20:47:53 +09:00
parent 364e33eede
commit 21e3fe4c1e
1 changed files with 3 additions and 2 deletions
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5
video_encoder/encoder_tav.c
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@@ -99,6 +99,7 @@ static int needs_alpha_channel(int channel_layout) {
#define DEFAULT_HEIGHT 448
#define DEFAULT_FPS 30
#define DEFAULT_QUALITY 3
#define DEFAULT_ZSTD_LEVEL 9
int KEYFRAME_INTERVAL = 2; // refresh often because deltas in DWT are more visible than DCT
// Audio/subtitle constants (reused from TEV)
@@ -629,7 +630,7 @@ static void show_usage(const char *program_name) {
printf(" --encode-limit N Encode only first N frames (useful for testing/analysis)\n");
printf(" --dump-frame N Dump quantised coefficients for frame N (creates .bin files)\n");
printf(" --wavelet N Wavelet filter: 0=LGT 5/3, 1=CDF 9/7, 2=CDF 13/7, 16=DD-4, 255=Haar (default: 1)\n");
printf(" --zstd-level N Zstd compression level 1-22 (default: 19, higher = better compression but slower)\n");
printf(" --zstd-level N Zstd compression level 1-22 (default: %d, higher = better compression but slower)\n", DEFAULT_ZSTD_LEVEL);
printf(" --help Show this help\n\n");
printf("Audio Rate by Quality:\n ");
@@ -691,7 +692,7 @@ static tav_encoder_t* create_encoder(void) {
enc->channel_layout = CHANNEL_LAYOUT_YCOCG; // Default to Y-Co-Cg
enc->audio_bitrate = 0; // 0 = use quality table
enc->encode_limit = 0; // Default: no frame limit
enc->zstd_level = 19; // Default Zstd compression level
enc->zstd_level = DEFAULT_ZSTD_LEVEL; // Default Zstd compression level
return enc;
}