# TrackInfo
- [Overview](#section356081685165636)
- [Summary](#section1006894799165636)
- [Data Fields](#pub-attribs)
- [Details](#section1984291573165636)
- [Field](#section258879702165636)
- [audTrack](#a491fd1e304e19924d5d1c81aa07c3425)
- [imgTrack](#a6c7a67bd3651140b5551e407aa07fccc)
- [item](#a6548bea85adbb29bd0a4029a1d6f1c1c)
- [itemCnt](#aa3140178f070f85c2c778410b96db77a)
- [subTrack](#a3ae6adfd7981cd2e87223fb2d47f2805)
- [trackId](#aeb352032456b0841382a015d6f256529)
- [trackType](#a8b7ca46e972b746fb3f7a634cd07d6c4)
- [vidTrack](#aaa84d3f413e5d742953e6ba0d0a35276)
## **Overview**
**Related Modules:**
[Format](Format.md)
**Description:**
Defines track information.
**Since:**
1.0
**Version:**
1.0
## **Summary**
## Data Fields
## **Details**
## **Field **
## audTrack
```
[AudioTrackInfo](AudioTrackInfo.md) TrackInfo::audTrack
```
**Description:**
Audio track information
## imgTrack
```
[ImageTrackInfo](ImageTrackInfo.md) TrackInfo::imgTrack
```
**Description:**
Image track information
## item
```
[ParameterItem](ParameterItem.md)* TrackInfo::item
```
**Description:**
Pointer to the array of extra track information, including HDR, DRM, and CAS
## itemCnt
```
int32_t TrackInfo::itemCnt
```
**Description:**
Number of extra track information entries
## subTrack
```
[SubtitleTrackInfo](SubtitleTrackInfo.md) TrackInfo::subTrack
```
**Description:**
Subtitle track information
## trackId
```
int32_t TrackInfo::trackId
```
**Description:**
Track index
## trackType
```
[TrackType](Format.md#gad80740dd555f7d3688d2c4d9f44d3b04) TrackInfo::trackType
```
**Description:**
Track type. For details, see [TrackType](Format.md#gad80740dd555f7d3688d2c4d9f44d3b04)
## vidTrack
```
[VideoTrackInfo](VideoTrackInfo.md) TrackInfo::vidTrack
```
**Description:**
Video track information