D28713: Return buffer to pipewire when returning early from recordFrame

[Carson Black]

cblack created this revision.
cblack added reviewers: Plasma, jgrulich.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.
cblack requested review of this revision.

REVISION SUMMARY
  Even when something goes wrong, the buffer should be returned to pipewire for recycling on next frame.

TEST PLAN
  Before: when something goes wrong when screencasting, first errors are the actual issue and subsequent errors are due to pipewire not having any buffers for the pw_stream_deque_buffer call
  After: when something goes wrong when screencasting, errors are always the actual issue

REPOSITORY
  R838 Flatpak Support: KDE Portal for XDG Desktop

BRANCH
  cblack/screencaststream-return-buffers (branched from master)

REVISION DETAIL
  https://phabricator.kde.org/D28713

AFFECTED FILES
  src/screencaststream.cpp

To: cblack, #plasma, jgrulich
Cc: plasma-devel, Orage, LeGast00n, The-Feren-OS-Dev, cblack, jraleigh, zachus, fbampaloukas, GB_2, ragreen, ZrenBot, ngraham, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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