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fix: wrong timecode calculation on NTSC framerates

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This commit is contained in:
minjaesong
2025-11-16 02:49:03 +09:00
parent 5c87325366
commit aa7e20695d
4 changed files with 74 additions and 27 deletions
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19
video_encoder/tav_inspector.c
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@@ -53,6 +53,7 @@
#define TAV_PACKET_EXTENDED_HDR 0xEF
#define TAV_PACKET_LOOP_START 0xF0
#define TAV_PACKET_LOOP_END 0xF1
#define TAV_PACKET_SCREEN_MASK 0xF2
#define TAV_PACKET_GOP_SYNC 0xFC // GOP sync packet (N frames decoded)
#define TAV_PACKET_TIMECODE 0xFD
#define TAV_PACKET_SYNC_NTSC 0xFE
@@ -130,6 +131,7 @@ const char* get_packet_type_name(uint8_t type) {
case TAV_PACKET_EXTENDED_HDR: return "EXTENDED HEADER";
case TAV_PACKET_LOOP_START: return "LOOP START";
case TAV_PACKET_LOOP_END: return "LOOP END";
case TAV_PACKET_SCREEN_MASK: return "SCREEN MASK";
case TAV_PACKET_GOP_SYNC: return "GOP SYNC";
case TAV_PACKET_TIMECODE: return "TIMECODE";
case TAV_PACKET_SYNC_NTSC: return "SYNC (NTSC)";
@@ -842,6 +844,23 @@ static const char* VERDESC[] = {"null", "YCoCg tiled, uniform", "ICtCp tiled, un
}
break;
case TAV_PACKET_SCREEN_MASK:
uint32_t frame_number;
if (fread(&frame_number, sizeof(uint32_t), 1, fp) != 1) break;
uint16_t top;
if (fread(&top, sizeof(uint16_t), 1, fp) != 1) break;
uint16_t right;
if (fread(&right, sizeof(uint16_t), 1, fp) != 1) break;
uint16_t bottom;
if (fread(&bottom, sizeof(uint16_t), 1, fp) != 1) break;
uint16_t left;
if (fread(&left, sizeof(uint16_t), 1, fp) != 1) break;
if (!opts.summary_only && display) {
printf(" - Frame=%u [top=%u, right=%u, bottom=%u, left=%u]", frame_number, top, right, bottom, left);
}
break;
case TAV_PACKET_SYNC:
stats.sync_count++;
break;