[Webkit-unassigned] [Bug 226481] [MSE] When mediaSample of the same pts and dts are received consecutively, the mediaSample received later are discarded.

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Jun 2 01:09:24 PDT 2021


https://bugs.webkit.org/show_bug.cgi?id=226481

--- Comment #6 from Toshio Ogasawara <toshio.ogasawara at access-company.com> ---
(In reply to Jer Noble from comment #4)
> I'm not sure I understand; how did multiple samples with the same PTS & DTS
> get put in the trackBuffer without evicting previously appended samples?

For example, if you switch the resolution during video playback, segment data with different resolutions and the same PTS and DTS at the beginning may be added.
When MediaSample is created with multiple frames, the PTS and DTS of the first frame data will be the PTS and DTS of MediaSample.
In this case, MediaSamples with the same PTS and DTS were added in succession.

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