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TAV-DT: no Zstd

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minjaesong
2025-12-16 10:42:10 +09:00
parent 4929d84cec
commit 67413f2749
11 changed files with 273 additions and 136 deletions
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8
video_encoder/include/encoder_tad.h
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@@ -33,18 +33,20 @@ static inline int tad32_quality_to_max_index(int quality) {
* @param max_index Maximum quantisation index (7=3bit, 15=4bit, 31=5bit, 63=6bit, 127=7bit)
* @param quantiser_scale Quantiser scaling factor (1.0=baseline, 2.0=2x coarser quantisation)
* Higher values = more aggressive quantisation = smaller files
* @param zstd_level Zstd compression level (1-22). Use negative value to disable compression.
* When disabled, MSB of payload_size is set to indicate uncompressed data.
* @param output Output buffer (must be large enough)
* @return Number of bytes written to output, or 0 on error
*
* Output format:
* uint16 sample_count (samples per channel)
* uint8 max_index (maximum quantisation index)
* uint32 payload_size (bytes in payload)
* * payload (encoded M/S data, Zstd-compressed with 2-bit twobitmap)
* uint32 payload_size (bytes in payload; MSB=1 indicates uncompressed)
* * payload (encoded M/S data, optionally Zstd-compressed)
*/
size_t tad32_encode_chunk(const float *pcm32_stereo, size_t num_samples,
int max_index,
float quantiser_scale, uint8_t *output);
float quantiser_scale, int zstd_level, uint8_t *output);
/**
* Print accumulated coefficient statistics