TrackInfo.md

# TrackInfo
## **Overview**
**Related Modules:**
[Format](Format.md)
**Description:**
Defines track information.
**Since:**
1.0
**Version:**
1.0
## **Summary**
## Data Fields

Variable Name	Description
trackType	TrackType
trackId	int32_t
itemCnt	int32_t
item	ParameterItem *
vidTrack	VideoTrackInfo
audTrack	AudioTrackInfo
subTrack	SubtitleTrackInfo
imgTrack	ImageTrackInfo

## **Details**
## **Field Documentation**
## 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