youtube data api ライブ配信とプレミア公開のデータの違い
配信前
[publishedAt] => 2026-03-26T18:01:32Z
[duration] => P0D
[liveStreamingDetails] => Array
(
[scheduledStartTime] => 2026-03-30T13:00:00Z
[activeLiveChatId] => Cg0KC1p3SjFfWk5BcGJBKicKGFVDdnpHbFA5b1F3VS0tWTByOWlkX2puQRILWndKMV9aTkFwYkE
)
配信中
[publishedAt] => 2026-03-29T19:43:18Z
[duration] => P0D
[liveStreamingDetails] => Array
(
[actualStartTime] => 2026-03-30T05:00:01Z
[scheduledStartTime] => 2026-03-30T05:00:00Z
[concurrentViewers] => 6591
[activeLiveChatId] => Cg0KC0NxTGRldm54TVg4KicKGFVDamsybkttSHpnSDVYeS1DNXFZUmQ1QRILQ3FMZGV2bnhNWDg
)
配信後
[publishedAt] => 2026-03-15T08:40:29Z
[duration] => PT2H25M50S
[actualStartTime] => 2026-03-15T04:03:20Z
[actualEndTime] => 2026-03-15T08:18:45Z
[scheduledStartTime] => 2026-03-15T04:00:00Z
—————–
プレミア公開前
[publishedAt] => 2026-03-30T05:59:26Z
[duration] =>
[liveStreamingDetails] => Array
(
[scheduledStartTime] => 2026-03-30T06:15:00Z
[activeLiveChatId] => Cg0KCy1tcEJ5UmRvNjdZKicKGFVDaDAwNFlkZ2F2eEFZYVQ4dVlhZGw1URILLW1wQnlSZG82N1k
)
プレミア公開中
[publishedAt] => 2026-03-30T06:15:06Z
[duration] =>
[liveStreamingDetails] => Array
(
[actualStartTime] => 2026-03-30T06:15:06Z
[scheduledStartTime] => 2026-03-30T06:15:00Z
[activeLiveChatId] => Cg0KCy1tcEJ5UmRvNjdZKicKGFVDaDAwNFlkZ2F2eEFZYVQ4dVlhZGw1URILLW1wQnlSZG82N1k
)
プレミア後
[publishedAt] => 2025-09-16T13:00:06Z
[duration] => PT2H25M50S
[actualStartTime] => 2025-09-16T13:00:06Z
[actualEndTime] => 2025-09-16T13:05:33Z
[scheduledStartTime] => 2025-09-16T13:00:00Z
———-
プレミア動画：
公開が開始するとpublishedAtをactualStartTimeに書き換える
durationは後まで存在しない
live配信:
配信終了後 publishedAtはactualStartTimeより後(actualEndTime)に書き換える
durationは後までP0D
配信中のLIVEのみliveStreamingDetails.concurrentViewersという項目がある
[viewCount]はどちらも 前は0
