fix(youtube-player): apply startSeconds with disablePlaceholder and autoplay #32570
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…utoplay Fixes a bug where the YouTube player ignored the startSeconds input when both disablePlaceholder and playerVars.autoplay were set. The player now correctly seeks to the specified start time using seekTo() when the video autoplays. The issue occurred because the code only checked the playVideo parameter to determine if seekTo should be called, but didn't account for videos that autoplay through playerVars.autoplay = 1. Fixes angular#32545
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tjshiu
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Dec 30, 2025
tjshiu
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Description
Fixes a bug where the YouTube player ignores the
startSecondsinput when bothdisablePlaceholderandplayerVars.autoplayare set.Problem
When using the YouTube player with:
disablePlaceholder="true"playerVars="{autoplay: 1}"startSeconds="N"(any non-zero value)The video would autoplay but start from the beginning (0 seconds) instead of the specified start time.
Solution
Modified the condition in
_createPlayer()to check forplayerVars.autoplay === 1in addition to theplayVideoparameter. When the player is already playing (from autoplay), it now correctly usesseekTo()to jump to the specifiedstartSeconds.Changes
src/youtube-player/youtube-player.tsto check for autoplay in playerVarssrc/youtube-player/youtube-player.spec.tsto validate the fixTesting
Related Issue
Fixes #32545