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TrackInfo.md 6.23 KB

# TrackInfo<a name="ZH-CN_TOPIC_0000001055358148"></a>

## **Overview**<a name="section492658507093537"></a>

**Related Modules:**

[Format](Format.md)

**Description:**

Defines track information.

**Since:**

1.0

**Version:**

1.0

## **Summary**<a name="section1384102884093537"></a>

## Data Fields<a name="pub-attribs"></a>

<a name="table1834793874093537"></a>
<table><thead align="left"><tr id="row758641900093537"><th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.1"><p id="p481666461093537"><a name="p481666461093537"></a><a name="p481666461093537"></a>Variable Name</p>
</th>
<th class="cellrowborder" valign="top" width="50%" id="mcps1.1.3.1.2"><p id="p643738755093537"><a name="p643738755093537"></a><a name="p643738755093537"></a>Description</p>
</th>
</tr>
</thead>
<tbody><tr id="row368805593093537"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1646574775093537"><a name="p1646574775093537"></a><a name="p1646574775093537"></a><a href="TrackInfo.md#a8b7ca46e972b746fb3f7a634cd07d6c4">trackType</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p435565939093537"><a name="p435565939093537"></a><a name="p435565939093537"></a><a href="Format.md#gad80740dd555f7d3688d2c4d9f44d3b04">TrackType</a>&nbsp;</p>
</td>
</tr>
<tr id="row96927211093537"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p1952736765093537"><a name="p1952736765093537"></a><a name="p1952736765093537"></a><a href="TrackInfo.md#aeb352032456b0841382a015d6f256529">trackId</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1877035023093537"><a name="p1877035023093537"></a><a name="p1877035023093537"></a>int32_t&nbsp;</p>
</td>
</tr>
<tr id="row28813975093537"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p806428237093537"><a name="p806428237093537"></a><a name="p806428237093537"></a><a href="TrackInfo.md#aa3140178f070f85c2c778410b96db77a">itemCnt</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1594899699093537"><a name="p1594899699093537"></a><a name="p1594899699093537"></a>int32_t&nbsp;</p>
</td>
</tr>
<tr id="row480383572093537"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p2027096404093537"><a name="p2027096404093537"></a><a name="p2027096404093537"></a><a href="TrackInfo.md#a6548bea85adbb29bd0a4029a1d6f1c1c">item</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p2072327632093537"><a name="p2072327632093537"></a><a name="p2072327632093537"></a><a href="ParameterItem.md">ParameterItem</a> *&nbsp;</p>
</td>
</tr>
<tr id="row988362308093537"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p2000870068093537"><a name="p2000870068093537"></a><a name="p2000870068093537"></a><a href="TrackInfo.md#aaa84d3f413e5d742953e6ba0d0a35276">vidTrack</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p1492310646093537"><a name="p1492310646093537"></a><a name="p1492310646093537"></a><a href="VideoTrackInfo.md">VideoTrackInfo</a>&nbsp;</p>
</td>
</tr>
<tr id="row1064100296093537"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p208184037093537"><a name="p208184037093537"></a><a name="p208184037093537"></a><a href="TrackInfo.md#a491fd1e304e19924d5d1c81aa07c3425">audTrack</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p79964351093537"><a name="p79964351093537"></a><a name="p79964351093537"></a><a href="AudioTrackInfo.md">AudioTrackInfo</a>&nbsp;</p>
</td>
</tr>
<tr id="row1948614058093537"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p38598525093537"><a name="p38598525093537"></a><a name="p38598525093537"></a><a href="TrackInfo.md#a3ae6adfd7981cd2e87223fb2d47f2805">subTrack</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p818455389093537"><a name="p818455389093537"></a><a name="p818455389093537"></a><a href="SubtitleTrackInfo.md">SubtitleTrackInfo</a>&nbsp;</p>
</td>
</tr>
<tr id="row574554979093537"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.1 "><p id="p20412452093537"><a name="p20412452093537"></a><a name="p20412452093537"></a><a href="TrackInfo.md#a6c7a67bd3651140b5551e407aa07fccc">imgTrack</a></p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.1.3.1.2 "><p id="p727344479093537"><a name="p727344479093537"></a><a name="p727344479093537"></a><a href="ImageTrackInfo.md">ImageTrackInfo</a>&nbsp;</p>
</td>
</tr>
</tbody>
</table>

## **Details**<a name="section1595362113093537"></a>

## **Field Documentation**<a name="section852029184093537"></a>

## audTrack<a name="a491fd1e304e19924d5d1c81aa07c3425"></a>

```
[AudioTrackInfo](AudioTrackInfo.md) TrackInfo::audTrack
```

**Description:**

Audio track information

## imgTrack<a name="a6c7a67bd3651140b5551e407aa07fccc"></a>

```
[ImageTrackInfo](ImageTrackInfo.md) TrackInfo::imgTrack
```

**Description:**

Image track information

## item<a name="a6548bea85adbb29bd0a4029a1d6f1c1c"></a>

```
[ParameterItem](ParameterItem.md)* TrackInfo::item
```

**Description:**

Pointer to the array of extra track information, including HDR, DRM, and CAS

## itemCnt<a name="aa3140178f070f85c2c778410b96db77a"></a>

```
int32_t TrackInfo::itemCnt
```

**Description:**

Number of extra track information entries

## subTrack<a name="a3ae6adfd7981cd2e87223fb2d47f2805"></a>

```
[SubtitleTrackInfo](SubtitleTrackInfo.md) TrackInfo::subTrack
```

**Description:**

Subtitle track information

## trackId<a name="aeb352032456b0841382a015d6f256529"></a>

```
int32_t TrackInfo::trackId
```

**Description:**

Track index

## trackType<a name="a8b7ca46e972b746fb3f7a634cd07d6c4"></a>

```
[TrackType](Format.md#gad80740dd555f7d3688d2c4d9f44d3b04) TrackInfo::trackType
```

**Description:**

Track type. For details, see  [TrackType](Format.md#gad80740dd555f7d3688d2c4d9f44d3b04)

## vidTrack<a name="aaa84d3f413e5d742953e6ba0d0a35276"></a>

```
[VideoTrackInfo](VideoTrackInfo.md) TrackInfo::vidTrack
```

**Description:**

Video track information

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提交于 2020-09-08 10:08 . add OpenHarmony 1.0 baseline

TrackInfo

Overview

Related Modules:

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

vidTrack

[VideoTrackInfo](VideoTrackInfo.md) TrackInfo::vidTrack

Description:

Video track information

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