提交 #807647: tsMuxer git-7f8667d crash

## 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
HEVC muxing fps is not set. Get fps from stream. Value: 0.435298
HEVC manual defined fps doesn't equal to stream fps. Change HEVC fps from 0.00341914 to 0.435298
tsmuxer: /AFLplusplus/tsMuxer_prev/tsMuxer/hevc.cpp:234: void HevcVpsUnit::setFPS(const double): Assertion `num_units_in_tick_bit_pos > 0' failed.

• 来源: ⚠️ https://github.com/justdan96/tsMuxer/issues/895
• 用户: Fantasy (UID 69897)
• 提交: 2026-04-18 14時30分 (2 月前)
• 管理: 2026-05-03 19時13分 (15 days later)
• 状态: 已接受
• VulDB条目: 360914 [justdan96 tsMuxer 直到 2.7.0 hevc.cpp HevcVpsUnit::setFPS track_id 拒绝服务]
• 积分: 20