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Add support for scalability modes L2T3 and S2T3

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Bug: webrtc:11607
Change-Id: I1d0bd171564d2852f2f6ee2bbee26c7a1c0e1c3f
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/267103
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Reviewed-by: Florent Castelli <orphis@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37389}
This commit is contained in:
Niels Möller
2022-06-30 15:42:51 +02:00
committed by WebRTC LUCI CQ
parent 5b2556e9cd
commit 3c24c096ef
11 changed files with 137 additions and 2 deletions
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20
modules/video_coding/svc/scalability_structure_simulcast.cc
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@ -242,6 +242,26 @@ FrameDependencyStructure ScalabilityStructureS2T1::DependencyStructure() const {
return structure;
}
FrameDependencyStructure ScalabilityStructureS2T3::DependencyStructure() const {
FrameDependencyStructure structure;
structure.num_decode_targets = 6;
structure.num_chains = 2;
structure.decode_target_protected_by_chain = {0, 0, 0, 1, 1, 1};
auto& t = structure.templates;
t.resize(10);
t[1].S(0).T(0).Dtis("SSS---").ChainDiffs({0, 0});
t[6].S(1).T(0).Dtis("---SSS").ChainDiffs({1, 0});
t[3].S(0).T(2).Dtis("--D---").ChainDiffs({2, 1}).FrameDiffs({2});
t[8].S(1).T(2).Dtis("-----D").ChainDiffs({3, 2}).FrameDiffs({2});
t[2].S(0).T(1).Dtis("-DS---").ChainDiffs({4, 3}).FrameDiffs({4});
t[7].S(1).T(1).Dtis("----DS").ChainDiffs({5, 4}).FrameDiffs({4});
t[4].S(0).T(2).Dtis("--D---").ChainDiffs({6, 5}).FrameDiffs({2});
t[9].S(1).T(2).Dtis("-----D").ChainDiffs({7, 6}).FrameDiffs({2});
t[0].S(0).T(0).Dtis("SSS---").ChainDiffs({8, 7}).FrameDiffs({8});
t[5].S(1).T(0).Dtis("---SSS").ChainDiffs({1, 8}).FrameDiffs({8});
return structure;
}
FrameDependencyStructure ScalabilityStructureS3T3::DependencyStructure() const {
FrameDependencyStructure structure;
structure.num_decode_targets = 9;