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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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17
modules/video_coding/svc/scalability_structure_full_svc.h
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@ -133,6 +133,23 @@ class ScalabilityStructureL2T2 : public ScalabilityStructureFullSvc {
FrameDependencyStructure DependencyStructure() const override;
};
// S1T2 4 ,8
// S1T1 / | 6' |
// S1T0 2--+-'+--+-...
// | | | |
// S0T2 | 3 | ,7
// S0T1 | / 5'
// S0T0 1----'-----...
// Time-> 0 1 2 3
class ScalabilityStructureL2T3 : public ScalabilityStructureFullSvc {
public:
explicit ScalabilityStructureL2T3(ScalingFactor resolution_factor = {})
: ScalabilityStructureFullSvc(2, 3, resolution_factor) {}
~ScalabilityStructureL2T3() override = default;
FrameDependencyStructure DependencyStructure() const override;
};
// S2 0-0-0-
// | | |
// S1 0-0-0-...