[Bug 795424] qtdemux: Add MSE-style flush

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Fri Sep 21 23:33:44 UTC 2018


https://bugzilla.gnome.org/show_bug.cgi?id=795424

Alicia Boya García <aboya at igalia.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #372315|0                           |1
        is obsolete|                            |

--- Comment #32 from Alicia Boya García <aboya at igalia.com> ---
Created attachment 373736
  --> https://bugzilla.gnome.org/attachment.cgi?id=373736&action=edit
qtdemux: Add MSE-style flush

The abort() method of SourceBuffer in Media Source Extensions is
expected to flush the demuxer and discard the current fragment,
if any. The configuration of tracks, if any, should be preserved.

qtdemux already has an implementation of flush events geared towards
seeks which is not compatible with this use case.

For this reason, a new type of flush is added, identified by the
presence of a `media_source_extensions_flush` field in its FLUSH_STOP
structure that implements the behavior required by the MSE spec.

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