# GCKMediaTrack.h File

[Classes](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#nested-classes) \| [Enumerations](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#enum-members) GCKMediaTrack.h File Reference GCKMediaTrackType and GCKMediaTextTrackSubtype enums.
[More...](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#details)

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| ## Classes ||
| class | [GCKMediaTrack](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_media_track) |
|   | A class representing a media track. [More...](https://developers.google.com/cast/v3/reference/ios/interface_g_c_k_media_track#details) |
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| ## Enumerations ||
| enum | [GCKMediaTrackType](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#a2a1e5a51e25fe34d35f77269dc65abcb) { [GCKMediaTrackTypeUnknown](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#a2a1e5a51e25fe34d35f77269dc65abcbafaeabf6c42b5ad0131d057550cf1517b) = 0, [GCKMediaTrackTypeText](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#a2a1e5a51e25fe34d35f77269dc65abcbac821ca8e86cce7ff100dcc1b3fa7ed1f) = 1, [GCKMediaTrackTypeAudio](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#a2a1e5a51e25fe34d35f77269dc65abcba411ae68edd58d4aac680561e685a3e61) = 2, [GCKMediaTrackTypeVideo](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#a2a1e5a51e25fe34d35f77269dc65abcba2f0b5ea6a8e5b257a2d92cf18f3b4da0) = 3 } |
|   | Media track types. [More...](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#a2a1e5a51e25fe34d35f77269dc65abcb) |
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| enum | [GCKMediaTextTrackSubtype](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#a1e497c8baed0344312dd2d3761aae675) { [GCKMediaTextTrackSubtypeUnknown](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#a1e497c8baed0344312dd2d3761aae675a580cbf093b559ce5857ee02e5b6f36b4) = 0, [GCKMediaTextTrackSubtypeSubtitles](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#a1e497c8baed0344312dd2d3761aae675a83ec90edcf1923b67796d02a7dd2b530) = 1, [GCKMediaTextTrackSubtypeCaptions](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#a1e497c8baed0344312dd2d3761aae675a17801fd487d57189b5a68f86d827c5b2) = 3, [GCKMediaTextTrackSubtypeDescriptions](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#a1e497c8baed0344312dd2d3761aae675ac7de0a34c17a80fc6210f5860e2316ce) = 4, [GCKMediaTextTrackSubtypeChapters](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#a1e497c8baed0344312dd2d3761aae675a36fa5700bfce91437b4751ea895c2e0d) = 5, [GCKMediaTextTrackSubtypeMetadata](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#a1e497c8baed0344312dd2d3761aae675a0556c5ae95753e9b8ca3127ae4e6b4df) = 6 } |
|   | Media text track subtypes. [More...](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#a1e497c8baed0344312dd2d3761aae675) |
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## Detailed Description

GCKMediaTrackType and GCKMediaTextTrackSubtype enums.

## Enumeration Type Documentation

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| enum [GCKMediaTrackType](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#a2a1e5a51e25fe34d35f77269dc65abcb) |

Media track types.

| Enumerator ||
|---|---|
| GCKMediaTrackTypeUnknown | Unknown track type. |
| GCKMediaTrackTypeText | Text. |
| GCKMediaTrackTypeAudio | Audio. |
| GCKMediaTrackTypeVideo | Video. |

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| enum [GCKMediaTextTrackSubtype](https://developers.google.com/cast/v3/reference/ios/g_c_k_media_track_8h#a1e497c8baed0344312dd2d3761aae675) |

Media text track subtypes.

| Enumerator ||
|---|---|
| GCKMediaTextTrackSubtypeUnknown | Unknown text track subtype. |
| GCKMediaTextTrackSubtypeSubtitles | Subtitles. |
| GCKMediaTextTrackSubtypeCaptions | Captions. |
| GCKMediaTextTrackSubtypeDescriptions | Descriptions. |
| GCKMediaTextTrackSubtypeChapters | Chapters. |
| GCKMediaTextTrackSubtypeMetadata | Metadata. |