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Add helper to query scalability structure configuration

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without creating svc controller for it.

Bug: chromium:1187565
Change-Id: I219f88203e73036bf48bce04527bb8e46ccf1c33
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/231128
Reviewed-by: Johannes Kron <kron@webrtc.org>
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#34968}
This commit is contained in:
Danil Chapovalov
2021-09-06 15:41:54 +02:00
committed by WebRTC LUCI CQ
parent b32650e219
commit 5d3bf6ae2a
9 changed files with 133 additions and 15 deletions
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2
modules/video_coding/svc/scalable_video_controller.h
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@ -27,6 +27,8 @@ class ScalableVideoController {
struct StreamLayersConfig {
int num_spatial_layers = 1;
int num_temporal_layers = 1;
// Indicates if frames can reference frames of a different resolution.
bool uses_reference_scaling = true;
// Spatial layers scaling. Frames with spatial_id = i expected to be encoded
// with original_resolution * scaling_factor_num[i] / scaling_factor_den[i].
int scaling_factor_num[DependencyDescriptor::kMaxSpatialIds] = {1, 1, 1, 1};