When coming out of dormant mode, we first perform an accurate seek, that will ensure the MediaDecoderReader has been reinitialised correctly.
MozReview-Commit-ID: 2rWgu9AGAcY
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extra : rebase_source : c6b045fdd2c9f8d90645c0fcafbe2d35c9fd36a8
Implemented by short-circuiting calls to RequestVideoData in MDSM so no
frames are decoded. Resuming playback when video moves to foreground by
using the SeekTask/SeekJob/Seek in MDSM with result of GetMediaTime().
Special consideration is made to only seek the video part of Seek() to
remove an audible glitch in the audio playback when the video becomes
visible again.
MozReview-Commit-ID: 7YFDTanslXu
Kaku Kuo
Jean-Yves Avenard
JW Wang
Dan Glastonbury
Kaku Kuo