26 lines
1.7 KiB
Markdown
26 lines
1.7 KiB
Markdown
# Terebi playback
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Terebi plays local media, YouTube videos and resolved Miruro episodes. These terms distinguish a playback request from the state the player has actually reached.
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## Language
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**Playback transition**:
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A requested change of media, playback state, position, or quality that may still be awaiting completion. Acceptance of a request does not mean playback has reached the requested state.
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**Cast playback transition**:
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A playback transition that transfers playback between this Mac and a Cast receiver. Connection alone does not transfer playback; the destination must acknowledge the handoff, and interruption must preserve the latest playback intent and acknowledged position.
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Discovery supplies receiver addresses to both Network.framework and the native media relay's POSIX resolver. IPv4 addresses must omit interface scope suffixes; IPv6 addresses retain their scopes.
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**Playback intent**:
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The user's latest requested playing or paused state, which can differ from the state playback has acknowledged.
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**Acknowledged position**:
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The playback position confirmed by the player after any pending seek or restoration has completed. A seek target or slider preview is not an acknowledged position.
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**Restoration**:
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Resuming a video's saved position, or preserving position and playing or paused state while changing its quality or returning from a Cast receiver.
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**Media identity**:
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The identity of the video being played, independent of its selected quality or extracted stream address. For a YouTube video, this is its canonical video webpage URL. For a Miruro episode, this is its opaque catalog media ID and episode number, independent of provider and expiring source URL.
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