# VideoTrackSourceInfo
## **Overview**
**Related Modules:**
[Format](Format.md)
**Description:**
Defines information about the muxer video source.
**Since:**
1.0
**Version:**
1.0
## **Summary**
## Data Fields
## **Details**
## **Field Documentation**
## bitRate
```
uint32_t VideoTrackSourceInfo::bitRate
```
**Description:**
Encoding bit rate, in bit/s
## codecType
```
[CodecFormat](Format.md#gaf7ed135f15d4b218d41705bac0122ba7) VideoTrackSourceInfo::codecType
```
**Description:**
Video encoding type, for details, see [CodecFormat](Format.md#gaf7ed135f15d4b218d41705bac0122ba7).
## frameRate
```
uint32_t VideoTrackSourceInfo::frameRate
```
**Description:**
Encoding frame rate
## height
```
uint32_t VideoTrackSourceInfo::height
```
**Description:**
Video height
## keyFrameInterval
```
uint32_t VideoTrackSourceInfo::keyFrameInterval
```
**Description:**
Keyframe interval
## speed
```
float VideoTrackSourceInfo::speed
```
**Description:**
Video speed
## width
```
uint32_t VideoTrackSourceInfo::width
```
**Description:**
Video width