Submit #807651: tsMuxer git-7f8667d crash

Assertion Failed in tsMuxer/vvc.cpp:450: void VvcVpsUnit::setFPS(const double):

## version
```
commit 7f8667d1e6100a5b6407340d91ad80d57d976e58 (HEAD -> master, tag: nightly-2024-06-06-02-00-53, origin/master, origin/HEAD)
Author: iwashiira <[email protected]>
Date: Thu Jun 6 03:13:25 2024 +0900

added check for negative track_id values (#882)
```

## reproduce
```shell
cd tsMuxer
mkdir build && cd build
cmake ../ -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_C_FLAGS="-fsanitize=address" -DCMAKE_CXX_FLAGS="-fsanitize=address"
make
```

```
./tsmuxer poc
```

Information :
```
tsMuxeR version git-7f8667d. github.com/justdan96/tsMuxer
This VVC stream doesn't contain fps value. Muxing fps is absent too. Set muxing FPS to default 25.0 value.
VVC manual defined fps doesn't equal to stream fps. Change VVC fps from 0.859713 to 25
tsmuxer: /AFLplusplus/tsMuxer_prev/tsMuxer/vvc.cpp:450: void VvcVpsUnit::setFPS(const double): Assertion `num_units_in_tick_bit_pos > 0' failed.
Aborted
```

• Quelle: ⚠️ https://github.com/justdan96/tsMuxer/issues/899
• Benutzer: Fantasy (UID 69897)
• Einreichung: 18.04.2026 14:39 (vor 2 Monaten)
• Moderieren: 03.05.2026 19:14 (15 days later)
• Status: Akzeptiert
• VulDB Eintrag: 360915 [justdan96 tsMuxer bis 2.7.0 tsMuxer/vvc.cpp VvcVpsUnit::setFPS track_id Denial of Service]
• Punkte: 20