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The following table lists the HLS tags that are supported for UWP apps.
Note
Custom tags that start with "X-" can be accessed as timed metadata as described in the article Media items, playlists, and tracks.
| Tag | Introduced in HLS Protocol version | HLS Protocol Document Draft Version | Required on Client | July release of Windows 10 | Windows 10, Version 1511 | Windows 10, Version 1607 |
|---|---|---|---|---|---|---|
| 4.3.1. Basic Tags | ||||||
| 4.3.1.1. EXTM3U | 1 | 0 | REQUIRED | Supported | Supported | Supported |
| 4.3.1.2. EXT-X-VERSION | 2 | 3 | REQUIRED | Supported | Supported | Supported |
| 4.3.2. Media Segment Tags | ||||||
| 4.3.2.1. EXTINF | 1 | 0 | REQUIRED | Supported | Supported | Supported |
| 4.3.2.2. EXT-X-BYTERANGE | 4 | 7 | OPTIONAL | Supported | Supported | Supported |
| 4.3.2.3. EXT-X-DISCONTINUITY | 1 | 2 | OPTIONAL | Supported | Supported | Supported |
| 4.3.2.4. EXT-X-KEY | 1 | 0 | OPTIONAL | Supported | Supported | Supported |
| METHOD | 1 | 0 | Attribute | "NONE, AES-128" | "NONE, AES-128" | "NONE, AES-128, SAMPLE-AES" |
| URI | 1 | 0 | Attribute | Supported | Supported | Supported |
| IV | 2 | 3 | Attribute | Supported | Supported | Supported |
| KEYFORMAT | 5 | 9 | Attribute | Not Supported | Not Supported | Not Supported |
| KEYFORMATVERSIONS | 5 | 9 | Attribute | Not Supported | Not Supported | Not Supported |
| 4.3.2.5. EXT-X-MAP | 5 | 9 | OPTIONAL | Not Supported | Not Supported | Not Supported |
| URI | 5 | 9 | Attribute | Not Supported | Not Supported | Not Supported |
| BYTERANGE | 5 | 9 | Attribute | Not Supported | Not Supported | Not Supported |
| 4.3.2.6. EXT-X-PROGRAM-DATE-TIME | 1 | 0 | OPTIONAL | Not Supported | Not Supported | Not Supported |
| 4.3.3. Media Playlist Tags | ||||||
| 4.3.3.1. EXT-X-TARGETDURATION | 1 | 0 | REQUIRED | Supported | Supported | Supported |
| 4.3.3.2. EXT-X-MEDIA-SEQUENCE | 1 | 0 | OPTIONAL | Supported | Supported | Supported |
| 4.3.3.3. EXT-X-DISCONTINUITY-SEQUENCE | 6 | 12 | OPTIONAL | Not Supported | Not Supported | Not Supported |
| 4.3.3.4. EXT-X-ENDLIST | 1 | 0 | OPTIONAL | Supported | Supported | Supported |
| 4.3.3.5. EXT-X-PLAYLIST-TYPE | 3 | 6 | OPTIONAL | Supported | Supported | Supported |
| 4.3.3.6. EXT-X-I-FRAMES-ONLY | 4 | 7 | OPTIONAL | Not Supported | Not Supported | Not Supported |
| 4.3.4. Master Playlist Tags | ||||||
| 4.3.4.1. EXT-X-MEDIA | 4 | 7 | OPTIONAL | Supported | Supported | Supported |
| TYPE | 4 | 7 | Attribute | "AUDIO, VIDEO" | "AUDIO, VIDEO" | "AUDIO, VIDEO, SUBTITLES" |
| URI | 4 | 7 | Attribute | Supported | Supported | Supported |
| GROUP-ID | 4 | 7 | Attribute | Supported | Supported | Supported |
| LANGUAGE | 4 | 7 | Attribute | Supported | Supported | Supported |
| ASSOC-LANGUAGE | 6 | 13 | Attribute | Not Supported | Not Supported | Not Supported |
| NAME | 4 | 7 | Attribute | Not Supported | Not Supported | Supported |
| DEFAULT | 4 | 7 | Attribute | Not Supported | Not Supported | Not Supported |
| AUTOSELECT | 4 | 7 | Attribute | Not Supported | Not Supported | Not Supported |
| FORCED | 5 | 9 | Attribute | Not Supported | Not Supported | Not Supported |
| INSTREAM-ID | 6 | 12 | Attribute | Not Supported | Not Supported | Not Supported |
| CHARACTERISTICS | 5 | 9 | Attribute | Not Supported | Not Supported | Not Supported |
| 4.3.4.2. EXT-X-STREAM-INF | 1 | 0 | REQUIRED | Supported | Supported | Supported |
| BANDWIDTH | 1 | 0 | Attribute | Supported | Supported | Supported |
| PROGRAM-ID | 1 | 0 | Attribute | NA | NA | NA |
| AVERAGE-BANDWIDTH | 7 | 14 | Attribute | Not Supported | Not Supported | Not Supported |
| CODECS | 1 | 0 | Attribute | Supported | Supported | Supported |
| RESOLUTION | 2 | 3 | Attribute | Supported | Supported | Supported |
| FRAME-RATE | 7 | 15 | Attribute | NA | NA | NA |
| AUDIO | 4 | 7 | Attribute | Supported | Supported | Supported |
| VIDEO | 4 | 7 | Attribute | Supported | Supported | Supported |
| SUBTITLES | 5 | 9 | Attribute | Not Supported | Not Supported | Supported |
| CLOSED-CAPTIONS | 6 | 12 | Attribute | Not Supported | Not Supported | Not Supported |
| 4.3.4.3. EXT-X-I-FRAME-STREAM-INF | 4 | 7 | OPTIONAL | Not Supported | Not Supported | Not Supported |
| 4.3.4.4. EXT-X-SESSION-DATA | 7 | 14 | OPTIONAL | Not Supported | Not Supported | Not Supported |
| 4.3.4.5. EXT-X-SESSION-KEY | 7 | 17 | OPTIONAL | Not Supported | Not Supported | Not Supported |
| 4.3.5. Media or Master Playlist Tags | ||||||
| 4.3.5.1. EXT-X-INDEPENDENT-SEGMENTS | 6 | 13 | OPTIONAL | Not Supported | Supported | Supported |
| 4.3.5.2. EXT-X-START | 6 | 12 | OPTIONAL | Not Supported | Partially Supported | Partially Supported |
| TIME-OFFSET | 6 | 12 | Attribute | Not Supported | Supported | Supported |
| PRECISE | 6 | 12 | Attribute | Not Supported | Default "NO" supported | Default "NO" supported |
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