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TAD: embedded zero tree coding (basically 1D EZBC)

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minjaesong
2025-11-09 13:34:28 +09:00
parent c0d1d54bed
commit 3f97f1a59e
5 changed files with 784 additions and 20 deletions
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2
video_encoder/encoder_tad.h
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@@ -13,13 +13,11 @@
#define TAD32_MIN_CHUNK_SIZE 1024 // Minimum: 1024 samples
#define TAD32_SAMPLE_RATE 32000
#define TAD32_CHANNELS 2 // Stereo
#define TAD32_SIGMAP_2BIT 1 // 2-bit: 00=0, 01=+1, 10=-1, 11=other
#define TAD32_QUALITY_MIN 0
#define TAD32_QUALITY_MAX 6
#define TAD32_QUALITY_DEFAULT 3
#define TAD32_ZSTD_LEVEL 15
static inline int tad32_quality_to_max_index(int quality) {
static const int quality_map[6] = {21, 31, 44, 63, 89, 127};
if (quality < 0) quality = 0;