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tav: encoder ENDT fix

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minjaesong
2025-11-29 01:58:54 +09:00
parent 3b401139e9
commit 9edeca929d
6 changed files with 52 additions and 39 deletions
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8
video_encoder/encoder_tav.c
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@@ -19,7 +19,7 @@
#include <float.h>
#include "tav_avx512.h" // AVX-512 SIMD optimisations
#define ENCODER_VENDOR_STRING "Encoder-TAV 20251124 (3d-dwt,tad,ssf-tc,cdf53-motion,avx512,presets)"
#define ENCODER_VENDOR_STRING "Encoder-TAV 20251128 (3d-dwt,tad,ssf-tc,cdf53-motion,avx512,presets)"
// TSVM Advanced Video (TAV) format constants
#define TAV_MAGIC "\x1F\x54\x53\x56\x4D\x54\x41\x56" // "\x1FTSVM TAV"
@@ -12158,13 +12158,13 @@ int main(int argc, char *argv[]) {
printf("Updated header with actual frame count: %d\n", frame_count);
}
// Update ENDT in extended header (calculate end time for last frame)
// Update ENDT in extended header (calculate end time of video)
uint64_t endt_ns;
if (enc->is_ntsc_framerate) {
// NTSC framerates use denominator 1001 (e.g., 24000/1001, 30000/1001, 60000/1001)
endt_ns = ((uint64_t)(frame_count - 1) * 1001ULL * 1000000000ULL) / ((uint64_t)enc->output_fps * 1000ULL);
endt_ns = ((uint64_t)frame_count * 1001ULL * 1000000000ULL) / ((uint64_t)enc->output_fps * 1000ULL);
} else {
endt_ns = ((uint64_t)(frame_count - 1) * 1000000000ULL) / (uint64_t)enc->output_fps;
endt_ns = ((uint64_t)frame_count * 1000000000ULL) / (uint64_t)enc->output_fps;
}
fseek(enc->output_fp, enc->extended_header_offset, SEEK_SET);
fwrite(&endt_ns, sizeof(uint64_t), 1, enc->output_fp);