기계 번역으로 제공되는 번역입니다. 제공된 번역과 원본 영어의 내용이 상충하는 경우에는 영어 버전이 우선합니다.

# 매니페스트 및 광고 메타데이터 삽입
<a name="ad-id-manifest"></a>

광고 스티칭 프로세스 중에 MediaTailor는 스티칭되는 각 크리에이티브와 연결된 고유 ID를 매니페스트에 추가합니다. MediaTailor는 VAST 응답에서 해당 크리에이티브의 `id` 속성 값에서 크리에이티브의 고유 ID를 가져옵니다. 크리에이티브에 ID 속성 값이 없는 경우 MediaTailor는 빈 값()을 게시합니다`id=""`.

MediaTailor는 매니페스트 내 메타데이터 신호를 사용하여 광고 크리에이티브 메타데이터를 위한 클라이언트 추적 API와 전체 타임라인 내의 타이밍/위치 지정 간의 종속성을 분리합니다. 이 연결 해제는 재생을 초기화하기 전에 플레이어의 사용자 인터페이스(UI)가 타임라인의 광고 중단 위치를 렌더링하는 재생 지연 시간을 줄입니다(특히 VOD 시나리오에서).

추가된 메타데이터의 형식은 다음과 같습니다.
+ HLS 매니페스트의 경우 추가된 메타데이터는 가용 기간 동안 각 광고에 대한 `DATERANGE` 태그의 형태를 취합니다.
+ DASH 매니페스트의 경우 추가된 메타데이터는 각 광고 기간 내에 `Event` 요소의 형태를 취합니다.

다음 JSON 메시지 본문은 VAST 응답의 예를 보여줍니다.

```
{
  "version": 1,
  "identifiers": [
    {
      "scheme": "urn:smpte:ul:060E2B34.01040101.01200900.00000000",
      "value": "creativeId",
      "ad_position": "adId",
      "ad_type": "adType",
      "tracking_uri": "trackingUri",
      "custom_vast_data":"customVastData"
    }
  ]
}
```

이전 예제에서:
+ *creativeId*는 광고에 대한 `Creative` 요소의 `Id` 속성 값입니다.
+ *adId*는 광고의 시작과 연결된 HLS 시퀀스 번호 또는 광고의 DASH 기간 ID입니다.
+ *adType*은 VAST 응답을 `overlay`기반으로 `avail` 또는 입니다.
+ *trackingUri*는 MediaTailor 세션의 상대 추적 엔드포인트로, 형식입니다. `../../../../tracking/hashed-account-id/origin-id/session-id` 
+ *customVastData*는 MediaTailor가 `creative_signaling` VAST 확장에서 추출하는 값입니다. MediaTailor는 CDATA 노드가 있는 경우 해당 노드의 콘텐츠를 사용합니다. 자세한 내용과 샘플 VAST 응답은 [Ad Decision Server(ADS) 상호 작용](ad-id-ads-interactions.md) 섹션을 참조하세요.

# 광고 메타데이터를 사용하여 HLS 매니페스트 개인화
<a name="ad-id-manifest-hls"></a>

라이브 HLS 스트림의 경우 MediaTailor는 스트림에 `PROGRAM-DATA-TIME` 태그가 포함된 경우에만 매니페스트 기간당 한 번 이상 메타데이터를 추가합니다. 온디맨드 비디오(VOD) 스트림의 경우 MediaTailor는 개인화된 매니페스트에서 하나 이상의 세그먼트`PROGRAM-DATE-TIME`에를 추가합니다. 여기서 각 VOD 자산의 시작 시간은 에포크 0()입니다`1970-01-01T00:00:00Z`. 오리진 매니페스트에 기존 `PROGRAM-DATE-TIME` 콘텐츠가 있는 경우 MediaTailor는 해당 콘텐츠를 보존합니다.

MediaTailor는 광고 결정 서버(ADS)에서 반환한 크리에이티브로 매니페스트를 개인화합니다. 각 광고에 대해 MediaTailor에는 광고 기간에 걸친 `DATERANGE` 태그도 포함되어 있습니다. `DATERANGE` 태그 형식은 *SVA 기술 간행물* 2023 버전의 [DASH 및 HLS의 광고 크리에이티브 신호](https://www.svta.org/document/draft-ad-creative-signaling-in-dash-and-hls/) 섹션에 설명된 것과 유사합니다.

MediaTailor`DATERANGE`가 생성하는 에는 고유한 ID 값이 있습니다. 고유성을 보장하기 위해([SCTE-35를 EXT-X-DATERANGE로 매핑](https://datatracker.ietf.org/doc/html/draft-pantos-http-live-streaming-23#section-4.3.2.7.1)에 지정된 지침에 따라) MediaTailor는 가용 구간의 *첫 번째* 광고 세그먼트 `MEDIA-SEQUENCE` 수를 가용 구간 내의 광고 시퀀스 번호와 결합합니다.

슬레이트가 활성화된 구성에서 과소 채워진 광고 시간의 경우 MediaTailor는 `DISCONTINUITY` 태그로 구분되지만 `DATERANGE` 메타데이터 없이 슬레이트 세그먼트를 가용 구간 끝에 추가합니다.

맞춤형 매니페스트에 연결된 각 광고에 대해 MediaTailor는 사용자 지정 `DATERANGE` 태그에 base64로 인코딩된 데이터로 표시되는 창의적인 메타데이터를 추가합니다.

**Example 선형 HLS 오리진(`#EXT-X-CUE-OUT`):**  

```
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:7
#EXT-X-MEDIA-SEQUENCE:398
#EXT-X-PROGRAM-DATE-TIME:2023-02-10T19:20:01.397Z
#EXTINF:6.006,
index_1_398.ts?m=1676054627
#EXTINF:5.873,
index_1_399.ts?m=1676054627
#EXT-OATCLS-SCTE35:/DAlAAAAAyiYAP/wFAUAAAACf+//jPl97P4AUmNiAAEBAQAAse4/gA==
#EXT-X-CUE-OUT:59.993
#EXTINF:6.139,
index_1_400.ts?m=1676054627
#EXT-X-CUE-OUT-CONT:ElapsedTime=6.139,Duration=59.993,SCTE35=/DAlAAAAAyiYAP/wFAUAAAACf+//jPl97P4AUmNiAAEBAQAAse4/gA==
#EXTINF:6.006,
index_1_401.ts?m=1676054627
#EXT-X-CUE-OUT-CONT:ElapsedTime=12.145,Duration=59.993,SCTE35=/DAlAAAAAyiYAP/wFAUAAAACf+//jPl97P4AUmNiAAEBAQAAse4/gA==
#EXTINF:6.006,
index_1_402.ts?m=1676054627
#EXT-X-CUE-OUT-CONT:ElapsedTime=18.151,Duration=59.993,SCTE35=/DAlAAAAAyiYAP/wFAUAAAACf+//jPl97P4AUmNiAAEBAQAAse4/gA==
#EXTINF:6.006,
index_1_403.ts?m=1676054627
#EXT-X-CUE-OUT-CONT:ElapsedTime=24.157,Duration=59.993,SCTE35=/DAlAAAAAyiYAP/wFAUAAAACf+//jPl97P4AUmNiAAEBAQAAse4/gA==
#EXTINF:6.006,
index_1_404.ts?m=1676054627
#EXT-X-CUE-OUT-CONT:ElapsedTime=30.163,Duration=59.993,SCTE35=/DAlAAAAAyiYAP/wFAUAAAACf+//jPl97P4AUmNiAAEBAQAAse4/gA==
#EXTINF:6.006,
index_1_405.ts?m=1676054627
#EXT-X-CUE-OUT-CONT:ElapsedTime=36.169,Duration=59.993,SCTE35=/DAlAAAAAyiYAP/wFAUAAAACf+//jPl97P4AUmNiAAEBAQAAse4/gA==
#EXTINF:6.006,
index_1_406.ts?m=1676054627
#EXT-X-CUE-OUT-CONT:ElapsedTime=42.175,Duration=59.993,SCTE35=/DAlAAAAAyiYAP/wFAUAAAACf+//jPl97P4AUmNiAAEBAQAAse4/gA==
#EXTINF:6.006,
index_1_407.ts?m=1676054627
#EXT-X-CUE-OUT-CONT:ElapsedTime=48.181,Duration=59.993,SCTE35=/DAlAAAAAyiYAP/wFAUAAAACf+//jPl97P4AUmNiAAEBAQAAse4/gA==
#EXTINF:6.006,
index_1_408.ts?m=1676054627
#EXT-X-CUE-OUT-CONT:ElapsedTime=54.187,Duration=59.993,SCTE35=/DAlAAAAAyiYAP/wFAUAAAACf+//jPl97P4AUmNiAAEBAQAAse4/gA==
#EXTINF:5.806,
index_1_409.ts?m=1676054627
#EXT-X-CUE-IN
#EXTINF:6.206,
index_1_410.ts?m=1676054627
#EXTINF:6.006,
index_1_411.ts?m=1676054627
#EXTINF:6.006,
index_1_412.ts?m=1676054627
```

**Example 선형 HLS 오리진(`#EXT-X-DATERANGE`):**  

```
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:7
#EXT-X-MEDIA-SEQUENCE:25
#EXT-X-PROGRAM-DATE-TIME:2023-02-10T19:19:53.389Z
#EXTINF:6.006,
index_1_25.ts?m=1676056675
#EXTINF:6.006,
index_1_26.ts?m=1676056675
#EXTINF:6.006,
index_1_27.ts?m=1676056675
#EXTINF:1.869,
index_1_28.ts?m=1676056675
#EXT-X-DATERANGE:ID="2",START-DATE="2023-02-10T19:20:13.276Z",PLANNED-DURATION=59.993,SCTE35-OUT=0xFC302500000003289800FFF01405000000027FEFFF8CF97DECFE00526362000101010000B1EE3F80
#EXTINF:6.139,
index_1_29.ts?m=1676056675
#EXTINF:6.006,
index_1_30.ts?m=1676056675
#EXTINF:6.006,
index_1_31.ts?m=1676056675
#EXTINF:6.006,
index_1_32.ts?m=1676056675
#EXTINF:6.006,
index_1_33.ts?m=1676056675
#EXTINF:6.006,
index_1_34.ts?m=1676056675
#EXTINF:6.006,
index_1_35.ts?m=1676056675
#EXTINF:6.006,
index_1_36.ts?m=1676056675
#EXTINF:6.006,
index_1_37.ts?m=1676056675
#EXTINF:5.806,
index_1_38.ts?m=1676056675
#EXT-X-DATERANGE:ID="2",START-DATE="2023-02-10T19:20:13.276Z",END-DATE="2023-02-10T19:21:13.269Z",DURATION=59.993
#EXTINF:6.206,
index_1_39.ts?m=1676056675
#EXTINF:6.006,
index_1_40.ts?m=1676056675
```

**Example 선형 HLS 개인화된 매니페스트(창의적 광고 신호 사용):**  
MediaTailor`DATERANGE`가 생성하는 에는 고유한 ID 값이 있습니다. 고유성을 보장하기 위해([SCTE-35를 EXT-X-DATERANGE로 매핑](https://datatracker.ietf.org/doc/html/draft-pantos-http-live-streaming-23#section-4.3.2.7.1)에 지정된 지침에 따라) MediaTailor는 가용 구간의 *첫 번째* 광고 세그먼트 `MEDIA-SEQUENCE` 수를 가용 구간 내의 광고 시퀀스 번호와 결합합니다.  
다음 예제에서 MediaTailor는 `MEDIA-SEQUENCE` 421을 광고 위치 번호와 연결합니다.  

```
#EXTM3U
#EXT-X-VERSION:6
#EXT-X-TARGETDURATION:7
#EXT-X-MEDIA-SEQUENCE:418
#EXT-X-DISCONTINUITY-SEQUENCE:5
#EXT-X-PROGRAM-DATE-TIME:2023-02-10T19:19:55.391Z
#EXTINF:6.006,
https://d3fch9e2fcarly.cloudfront.net/out/v1/1cc7058242a74fdd8aea14e22a9b4131/index_1_397.ts?m=1676054627
#EXTINF:6.006,
https://d3fch9e2fcarly.cloudfront.net/out/v1/1cc7058242a74fdd8aea14e22a9b4131/index_1_398.ts?m=1676054627
#EXTINF:5.873,
https://d3fch9e2fcarly.cloudfront.net/out/v1/1cc7058242a74fdd8aea14e22a9b4131/index_1_399.ts?m=1676054627
#EXT-X-DISCONTINUITY
#EXT-X-PROGRAM-DATE-TIME:2023-02-10T19:19:55.391Z
#EXT-X-DATERANGE:ID="421-1",CLASS="urn:sva:advertising-wg:ad-id-signaling",START-DATE=2019-01-01T00:02:30.000Z,DURATION=15.015,X-AD-CREATIVE-SIGNALING="base64JSON"
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056813
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056814
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056815
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056816
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056817
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056818
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056819
#EXTINF:1.001,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056820
#EXT-X-DISCONTINUITY
#EXT-X-PROGRAM-DATE-TIME:2023-02-10T19:19:55.391Z
#EXT-X-DATERANGE:ID="421-1",START-DATE="2023-02-10T19:36:13.435Z",END-DATE="2023-02-10T19:36:43.432Z",DURATION=15.015
#EXT-X-DATERANGE:ID="421-2",CLASS="urn:sva:advertising-wg:ad-id-signaling",START-DATE=2019-01-01T00:02:30.000Z,DURATION=15.015,X-AD-CREATIVE-SIGNALING="base64JSON"
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056821
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056822
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056823
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056824
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056825
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056826
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056827
#EXTINF:1.001,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056828
#EXT-X-DISCONTINUITY
#EXT-X-PROGRAM-DATE-TIME:2023-02-10T19:19:55.391Z
#EXT-X-DATERANGE:ID="421-2",START-DATE="2023-02-10T19:36:13.435Z",END-DATE="2023-02-10T19:36:43.432Z",DURATION=15.015
#EXT-X-DATERANGE:ID="421-3",CLASS="urn:sva:advertising-wg:ad-id-signaling",START-DATE=2019-01-01T00:02:30.000Z,DURATION=15.015,X-AD-CREATIVE-SIGNALING="base64JSON"
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056829
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056830
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056831
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056832
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056833
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056834
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056835
#EXTINF:1.001,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056836
#EXT-X-DISCONTINUITY
#EXT-X-PROGRAM-DATE-TIME:2023-02-10T19:19:55.391Z
#EXT-X-DATERANGE:ID="421-3",START-DATE="2023-02-10T19:36:13.435Z",END-DATE="2023-02-10T19:36:43.432Z",DURATION=29.997
#EXT-X-DATERANGE:ID="421-4",CLASS="urn:sva:advertising-wg:ad-id-signaling",START-DATE=2019-01-01T00:02:30.000Z,DURATION=15.015,X-AD-CREATIVE-SIGNALING="base64JSON"
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056837
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056838
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056839
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056840
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056841
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056842
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056843
#EXTINF:1.001,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/9e178fa9-dce5-4248-83d2-5b5d98b019bf/0/1676056844
#EXT-X-DISCONTINUITY
#EXT-X-DATERANGE:ID="421-4",START-DATE="2023-02-10T19:36:13.435Z",END-DATE="2023-02-10T19:36:43.432Z",DURATION=15.015
#EXTINF:6.206,
https://d3fch9e2fcarly.cloudfront.net/out/v1/1cc7058242a74fdd8aea14e22a9b4131/index_1_410.ts?m=1676054627
#EXTINF:6.006,
https://d3fch9e2fcarly.cloudfront.net/out/v1/1cc7058242a74fdd8aea14e22a9b4131/index_1_411.ts?m=1676054627
```

**Example VOD HLS 오리진(SCTE 신호 포함):**  

```
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:7
#EXT-X-MEDIA-SEQUENCE:1
#EXT-X-PLAYLIST-TYPE:VOD
#EXTINF:6,
index_720p1500k_00001.ts
#EXTINF:6,
index_720p1500k_00002.ts
#EXTINF:6,
index_720p1500k_00003.ts
#EXTINF:6,
index_720p1500k_00004.ts
#EXTINF:6,
index_720p1500k_00005.ts
#EXT-X-CUE-OUT:0
#EXT-X-CUE-IN
#EXTINF:6,
index_720p1500k_00006.ts
#EXTINF:6,
index_720p1500k_00007.ts
#EXTINF:6,
index_720p1500k_00008.ts
#EXTINF:6,
index_720p1500k_00009.ts
#EXTINF:6,
index_720p1500k_00010.ts
#EXTINF:6,
index_720p1500k_00011.ts
#EXTINF:6,
index_720p1500k_00012.ts
```

**Example VOD HLS 오리진:**  

```
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:7
#EXT-X-MEDIA-SEQUENCE:1
#EXT-X-PLAYLIST-TYPE:VOD
#EXTINF:6,
index_720p1500k_00001.ts
#EXTINF:6,
index_720p1500k_00002.ts
#EXTINF:6,
index_720p1500k_00003.ts
#EXTINF:6,
index_720p1500k_00004.ts
#EXTINF:4,
index_720p1500k_00005.ts
#EXTINF:2,
index_720p1500k_00006.ts
#EXTINF:6,
index_720p1500k_00007.ts
#EXTINF:6,
index_720p1500k_00008.ts
#EXTINF:6,
index_720p1500k_00009.ts
#EXTINF:6,
index_720p1500k_00010.ts
#EXTINF:6,
index_720p1500k_00011.ts
#EXTINF:6,
index_720p1500k_00012.ts
```

**Example VOD HLS 개인 맞춤형 매니페스트:**  
MediaTailor`PROGRAM-DATE-TIME`는 광고 위치를 나타내는 HLS `DATERANGE` 요소의 앵커로 사용하기 위해 VOD 매니페스트에를 추가합니다.  
MediaTailor`DATERANGE`가 생성하는 에는 고유한 ID 값이 있습니다. 고유성을 보장하기 위해([SCTE-35를 EXT-X-DATERANGE로 매핑](https://datatracker.ietf.org/doc/html/draft-pantos-http-live-streaming-23#section-4.3.2.7.1)에 지정된 지침에 따라) MediaTailor는 가용 구간의 *첫 번째* 광고 세그먼트 `MEDIA-SEQUENCE` 수를 가용 구간 내의 광고 시퀀스 번호와 결합합니다.  
다음 예제에서 MediaTailor는 `MEDIA-SEQUENCE` 421을 광고 위치 번호와 연결합니다.  

```
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-PLAYLIST-TYPE:VOD
#EXT-X-TARGETDURATION:7
#EXT-X-MEDIA-SEQUENCE:1
#EXT-X-DISCONTINUITY-SEQUENCE:0
#EXT-X-PROGRAM-DATE-TIME:1970-01-01T00:00:00Z
#EXTINF:6.0,
https://d3fch9e2fcarly.cloudfront.net/cunsco-media/SKO-22/asset-1/hls/index_720p1500k_00001.ts
#EXTINF:6.0,
https://d3fch9e2fcarly.cloudfront.net/cunsco-media/SKO-22/asset-1/hls/index_720p1500k_00002.ts
#EXTINF:6.0,
https://d3fch9e2fcarly.cloudfront.net/cunsco-media/SKO-22/asset-1/hls/index_720p1500k_00003.ts
#EXTINF:6.0,
https://d3fch9e2fcarly.cloudfront.net/cunsco-media/SKO-22/asset-1/hls/index_720p1500k_00004.ts
#EXTINF:4.0,
https://d3fch9e2fcarly.cloudfront.net/cunsco-media/SKO-22/asset-1/hls/index_720p1500k_00005.ts
#EXT-X-DISCONTINUITY
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/vod-variations/9810d863-8736-45fa-866e-be6d2c2bfa20/0/28
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/vod-variations/9810d863-8736-45fa-866e-be6d2c2bfa20/0/29
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/vod-variations/9810d863-8736-45fa-866e-be6d2c2bfa20/0/30
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/vod-variations/9810d863-8736-45fa-866e-be6d2c2bfa20/0/31
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/vod-variations/9810d863-8736-45fa-866e-be6d2c2bfa20/0/32
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/vod-variations/9810d863-8736-45fa-866e-be6d2c2bfa20/0/33
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/vod-variations/9810d863-8736-45fa-866e-be6d2c2bfa20/0/34
#EXTINF:1.001,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/vod-variations/9810d863-8736-45fa-866e-be6d2c2bfa20/0/35
#EXT-X-DISCONTINUITY
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/vod-variations/9810d863-8736-45fa-866e-be6d2c2bfa20/0/36
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/vod-variations/9810d863-8736-45fa-866e-be6d2c2bfa20/0/37
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/vod-variations/9810d863-8736-45fa-866e-be6d2c2bfa20/0/38
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/vod-variations/9810d863-8736-45fa-866e-be6d2c2bfa20/0/39
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/vod-variations/9810d863-8736-45fa-866e-be6d2c2bfa20/0/40
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/vod-variations/9810d863-8736-45fa-866e-be6d2c2bfa20/0/41
#EXTINF:2.002,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/vod-variations/9810d863-8736-45fa-866e-be6d2c2bfa20/0/42
#EXTINF:1.001,
../../../../segment/94063eadf7d8c56e9e2edd84fdf897826a70d0df/vod-variations/9810d863-8736-45fa-866e-be6d2c2bfa20/0/43
#EXT-X-DISCONTINUITY
#EXTINF:2.0,
https://d3fch9e2fcarly.cloudfront.net/cunsco-media/SKO-22/asset-1/hls/index_720p1500k_00006.ts
#EXTINF:6.0,
https://d3fch9e2fcarly.cloudfront.net/cunsco-media/SKO-22/asset-1/hls/index_720p1500k_00007.ts
#EXTINF:6.0,
https://d3fch9e2fcarly.cloudfront.net/cunsco-media/SKO-22/asset-1/hls/index_720p1500k_00008.ts
#EXTINF:6.0,
https://d3fch9e2fcarly.cloudfront.net/cunsco-media/SKO-22/asset-1/hls/index_720p1500k_00009.ts
#EXTINF:6.0,
https://d3fch9e2fcarly.cloudfront.net/cunsco-media/SKO-22/asset-1/hls/index_720p1500k_00010.ts
#EXTINF:6.0,
https://d3fch9e2fcarly.cloudfront.net/cunsco-media/SKO-22/asset-1/hls/index_720p1500k_00011.ts
#EXTINF:6.0,
https://d3fch9e2fcarly.cloudfront.net/cunsco-media/SKO-22/asset-1/hls/index_720p1500k_00012.ts
#EXT-X-ENDLIST
#EXT-X-DATERANGE:ID="5-1",START-DATE="1970-01-01T00:00:28.000Z",END-DATE="1970-01-01T00:00:43.015Z",DURATION=15.015
#EXT-X-DATERANGE:ID="5-2",START-DATE="1970-01-01T00:00:43.015Z",END-DATE="1970-01-01T00:00:58.030Z",DURATION=15.01
```

# 광고 메타데이터를 사용하여 DASH 매니페스트 개인화
<a name="ad-id-manifest-dash"></a>

MediaTailor는 광고 결정 서버(ADS)에서 반환한 크리에이티브로 매니페스트를 개인화합니다. 각 광고에 대해 MediaTailor에는 광고 기간에 걸친 `EventStream` 요소도 포함됩니다. `Event` 요소 형식은 *SVA 기술 간행물* 2023 버전의 [DASH 및 HLS의 광고 크리에이티브 신호](https://www.svta.org/document/draft-ad-creative-signaling-in-dash-and-hls/) 섹션에 설명된 형식과 유사합니다.

슬레이트가 활성화된 구성에서 과소 채워진 광고 시간의 경우 MediaTailor는 슬레이트 기간을 가용 기간 종료에 추가하지만 `EventStream` 메타데이터는 추가하지 않습니다.

개인화된 매니페스트에 연결된 각 광고에 대해 MediaTailor는 `Event` 요소 내에 `CDATA` 요소로 표시되는 창의적인 메타데이터를 추가합니다.

**Example 선형 DASH 오리진(인라인 SCTE 속성):**  

```
<MPD xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:scte35="urn:scte:scte35:2013:xml" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 http://standards.iso.org/ittf/PubliclyAvailableStandards/MPEG-DASH_schema_files/DASH-MPD.xsd" id="201" type="dynamic" publishTime="2023-02-10T21:08:40+00:00" minimumUpdatePeriod="PT6S" availabilityStartTime="2023-02-09T22:47:05.865000+00:00" minBufferTime="PT10S" suggestedPresentationDelay="PT20.000S" timeShiftBufferDepth="PT88.999S" profiles="urn:mpeg:dash:profile:isoff-live:2011">
  <Period start="PT80141.456S" id="104" duration="PT304.103S">
    <AdaptationSet id="1485523442" mimeType="video/mp4" segmentAlignment="true" startWithSAP="1" subsegmentAlignment="true" subsegmentStartsWithSAP="1" bitstreamSwitching="true">
      <SegmentTemplate timescale="60000" media="index_video_$RepresentationID$_0_$Number$.mp4?m=1676062374" initialization="index_video_$RepresentationID$_0_init.mp4?m=1676062374" startNumber="151" presentationTimeOffset="4808487386">
        <SegmentTimeline>
          <S t="4824975858" d="360360" r="3"/>
          <S t="4826417298" d="316316"/>
        </SegmentTimeline>
      </SegmentTemplate>
      <Representation id="1" width="960" height="540" frameRate="30000/1001" bandwidth="1800000" codecs="avc1.4D401F"/>
      <Representation id="3" width="640" height="360" frameRate="30000/1001" bandwidth="1200000" codecs="avc1.4D401E"/>
      <Representation id="5" width="480" height="270" frameRate="30000/1001" bandwidth="800000" codecs="avc1.4D4015"/>
    </AdaptationSet>
    <AdaptationSet id="1377232898" mimeType="audio/mp4" segmentAlignment="0" lang="eng">
      <Label>eng</Label>
      <SegmentTemplate timescale="48000" media="index_audio_$RepresentationID$_0_$Number$.mp4?m=1676062374" initialization="index_audio_$RepresentationID$_0_init.mp4?m=1676062374" startNumber="151" presentationTimeOffset="3846790126">
        <SegmentTimeline>
          <S t="3859981294" d="287744"/>
          <S t="3860269038" d="288768"/>
          <S t="3860557806" d="287744"/>
          <S t="3860845550" d="288768"/>
          <S t="3861134318" d="252928"/>
        </SegmentTimeline>
        </SegmentTemplate>
        <Representation id="2" bandwidth="193007" audioSamplingRate="48000" codecs="mp4a.40.2">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
      </Representation>
      <Representation id="4" bandwidth="193007" audioSamplingRate="48000" codecs="mp4a.40.2">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
      </Representation>
      <Representation id="6" bandwidth="193007" audioSamplingRate="48000" codecs="mp4a.40.2">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
      </Representation>
    </AdaptationSet>
    <SupplementalProperty schemeIdUri="urn:scte:dash:utc-time" value="2023-02-10T21:02:31.007Z"/>
  </Period>
  <Period start="PT80445.560S" id="155" duration="PT44.978S">
    <EventStream timescale="90000" schemeIdUri="urn:scte:scte35:2013:xml">
      <Event duration="4048044">
        <scte35:SpliceInfoSection protocolVersion="0" ptsAdjustment="207000" tier="4095">
          <scte35:SpliceInsert spliceEventId="111" spliceEventCancelIndicator="false" outOfNetworkIndicator="true" spliceImmediateFlag="false" uniqueProgramId="1" availNum="1" availsExpected="1">
            <scte35:Program>
              <scte35:SpliceTime ptsTime="7239893422"/>
            </scte35:Program>
            <scte35:BreakDuration autoReturn="true" duration="4048044"/>
          </scte35:SpliceInsert>
        </scte35:SpliceInfoSection>
      </Event>
    </EventStream>
    <AdaptationSet id="1485523442" mimeType="video/mp4" segmentAlignment="true" startWithSAP="1" subsegmentAlignment="true" subsegmentStartsWithSAP="1" bitstreamSwitching="true">
      <SegmentTemplate timescale="60000" media="index_video_$RepresentationID$_0_$Number$.mp4?m=1676062374" initialization="index_video_$RepresentationID$_0_init.mp4?m=1676062374" startNumber="156" presentationTimeOffset="4826733614">
        <SegmentTimeline>
          <S t="4826733614" d="284284"/>
          <S t="4827017898" d="360360" r="5"/>
          <S t="4829180058" d="252252"/>
        </SegmentTimeline>
      </SegmentTemplate>
      <Representation id="1" width="960" height="540" frameRate="30000/1001" bandwidth="1800000" codecs="avc1.4D401F"/>
      <Representation id="3" width="640" height="360" frameRate="30000/1001" bandwidth="1200000" codecs="avc1.4D401E"/>
      <Representation id="5" width="480" height="270" frameRate="30000/1001" bandwidth="800000" codecs="avc1.4D4015"/>
    </AdaptationSet>
    <AdaptationSet id="1377232898" mimeType="audio/mp4" segmentAlignment="0" lang="eng">
      <Label>eng</Label>
      <SegmentTemplate timescale="48000" media="index_audio_$RepresentationID$_0_$Number$.mp4?m=1676062374" initialization="index_audio_$RepresentationID$_0_init.mp4?m=1676062374" startNumber="156" presentationTimeOffset="3861387246">
        <SegmentTimeline>
          <S t="3861387246" d="227328"/>
          <S t="3861614574" d="288768"/>
          <S t="3861903342" d="287744"/>
          <S t="3862191086" d="288768"/>
          <S t="3862479854" d="287744"/>
          <S t="3862767598" d="288768"/>
          <S t="3863056366" d="287744"/>
          <S t="3863344110" d="202752"/>
        </SegmentTimeline>
      </SegmentTemplate>
      <Representation id="2" bandwidth="193007" audioSamplingRate="48000" codecs="mp4a.40.2">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
      </Representation>
      <Representation id="4" bandwidth="193007" audioSamplingRate="48000" codecs="mp4a.40.2">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
      </Representation>
      <Representation id="6" bandwidth="193007" audioSamplingRate="48000" codecs="mp4a.40.2">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
      </Representation>
    </AdaptationSet>
    <SupplementalProperty schemeIdUri="urn:scte:dash:utc-time" value="2023-02-10T21:07:35.111Z"/>
  </Period>
  <Period start="PT80490.538S" id="163">
    <AdaptationSet id="1485523442" mimeType="video/mp4" segmentAlignment="true" startWithSAP="1" subsegmentAlignment="true" subsegmentStartsWithSAP="1" bitstreamSwitching="true">
      <SegmentTemplate timescale="60000" media="index_video_$RepresentationID$_0_$Number$.mp4?m=1676062374" initialization="index_video_$RepresentationID$_0_init.mp4?m=1676062374" startNumber="164" presentationTimeOffset="4829432310">
        <SegmentTimeline>
          <S t="4829432310" d="348348"/>
          <S t="4829780658" d="360360" r="1"/>
        </SegmentTimeline>
      </SegmentTemplate>
      <Representation id="1" width="960" height="540" frameRate="30000/1001" bandwidth="1800000" codecs="avc1.4D401F"/>
      <Representation id="3" width="640" height="360" frameRate="30000/1001" bandwidth="1200000" codecs="avc1.4D401E"/>
      <Representation id="5" width="480" height="270" frameRate="30000/1001" bandwidth="800000" codecs="avc1.4D4015"/>
    </AdaptationSet>
    <AdaptationSet id="1377232898" mimeType="audio/mp4" segmentAlignment="0" lang="eng">
      <Label>eng</Label>
      <SegmentTemplate timescale="48000" media="index_audio_$RepresentationID$_0_$Number$.mp4?m=1676062374" initialization="index_audio_$RepresentationID$_0_init.mp4?m=1676062374" startNumber="164" presentationTimeOffset="3863546862">
        <SegmentTimeline>
          <S t="3863546862" d="278528"/>
          <S t="3863825390" d="287744"/>
          <S t="3864113134" d="288768"/>
        </SegmentTimeline>
      </SegmentTemplate>
      <Representation id="2" bandwidth="193007" audioSamplingRate="48000" codecs="mp4a.40.2">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
      </Representation>
      <Representation id="4" bandwidth="193007" audioSamplingRate="48000" codecs="mp4a.40.2">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
      </Representation>
      <Representation id="6" bandwidth="193007" audioSamplingRate="48000" codecs="mp4a.40.2">
        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
      </Representation>
    </AdaptationSet>
    <SupplementalProperty schemeIdUri="urn:scte:dash:utc-time" value="2023-02-10T21:08:20.090Z"/>
  </Period>
</MPD>
```

**Example 선형 DASH 개인화된 매니페스트(창의적 광고 신호 사용):**  

```
<MPD availabilityStartTime="2023-02-09T22:47:05.865000+00:00" id="201" minBufferTime="PT10S" minimumUpdatePeriod="PT6S" profiles="urn:mpeg:dash:profile:isoff-live:2011" publishTime="2023-02-10T21:08:43+00:00" suggestedPresentationDelay="PT20.000S" timeShiftBufferDepth="PT88.999S" type="dynamic" xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:scte35="urn:scte:scte35:2013:xml" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 http://standards.iso.org/ittf/PubliclyAvailableStandards/MPEG-DASH_schema_files/DASH-MPD.xsd">
    <BaseURL>https://d3fch9e2fcarly.cloudfront.net/out/v1/f9f38deca3f14fc4b5ab3cdbd76cfb9e/</BaseURL>
    <Location>https://777788889999.mediatailor.us-west-2.amazonaws.com/v1/dash/94063eadf7d8c56e9e2edd84fdf897826a70d0df/emt/out/v1/f9f38deca3f14fc4b5ab3cdbd76cfb9e/index.mpd?aws.sessionId=672ed481-4ffd-4270-936f-7c8403947f2e</Location>
    <Period duration="PT304.103S" id="104" start="PT80141.456S">
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