Add support for enabling simulcast in "Plan B" using MediaConstraints.
BUG=webrtc:9655
Change-Id: Ieb5fe5d97b6d4381608a51593bca5423979d1b9f
Reviewed-on: https://webrtc-review.googlesource.com/95481
Commit-Queue: Jonas Oreland <jonaso@webrtc.org>
Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
Reviewed-by: Seth Hampson <shampson@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24424}diff --git a/api/mediaconstraintsinterface.cc b/api/mediaconstraintsinterface.cc
index c892606..80c447d 100644
--- a/api/mediaconstraintsinterface.cc
+++ b/api/mediaconstraintsinterface.cc
@@ -146,6 +146,9 @@
"googCpuOveruseDetection";
const char MediaConstraintsInterface::kPayloadPadding[] = "googPayloadPadding";
+const char MediaConstraintsInterface::kNumSimulcastLayers[] =
+ "googNumSimulcastLayers";
+
// Set |value| to the value associated with the first appearance of |key|, or
// return false if |key| is not found.
bool MediaConstraintsInterface::Constraints::FindFirst(
@@ -301,6 +304,13 @@
offer_answer_options->ice_restart = value;
}
+ int layers;
+ if (FindConstraint(constraints,
+ MediaConstraintsInterface::kNumSimulcastLayers,
+ &layers, &mandatory_constraints_satisfied)) {
+ offer_answer_options->num_simulcast_layers = layers;
+ }
+
return mandatory_constraints_satisfied == constraints->GetMandatory().size();
}