Fixes early transiton to Player.STATE_ENDED with MPD transition dy…
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…amic to static This checkin fixes Issue androidx#1441 where the player transitons to `Player.STATE_ENDED` once the buffer runs out on a DASH start-over playlist that has transitioned from dynamic to static. The fix detects the DASH Period has changed offset to the window, which occurs when the origin vendor follows the DASH-IF recommendations in *Section 4.6.4. Transition Phase between Live and On-Demand* , summerized as: - adds the attribute `MPD@mediaPresentationDuration` - removes the attribute `MPD@minimumUpdatePeriod` - `Period@start` is removed (if it was present) - `Period@duration` is added (in case more than 1 period is present) - `Adaptationset .SegmentTemplate@presentationTimeOffset` is set to earliest presentation time of a segment in the Adaptationset The MPD change does not affect the render position or the segment timeline at all, however the cleanest way to implement this was to report a `PositionUpdateForPlaylistChange` which triggers a seek and flushes the current buffered content.
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…namic to static
This checkin fixes Issue #1441 where the player transitons to
Player.STATE_ENDEDonce the buffer runs out on a DASH start-over playlist that has transitioned from dynamic to static.The fix detects the DASH Period has changed offset to the window, which occurs when the origin vendor follows the DASH-IF recommendations in Section 4.6.4. Transition Phase between Live and On-Demand , summerized as:
MPD@mediaPresentationDurationMPD@minimumUpdatePeriodPeriod@startis removed (if it was present)Period@durationis added (in case more than 1 period is present)Adaptationset .SegmentTemplate@presentationTimeOffsetis set to earliest presentation time of a segment in the AdaptationsetThe MPD change does not affect the render position or the segment timeline at all, however the cleanest way to implement this was to report a
PositionUpdateForPlaylistChangewhich triggers a seek and flushes the current buffered content.