Added a level controller initialization value to MediaConstraints.
An audio track with a level controller with the correct initialization
value can be created by a combination of
PeerConnectionFactory::CreateAudioTrack(..., audio_source) and
either
audio_source = PeerConnectionFactory::CreateAudioSource(constraints) or
audio_source = PeerConnectionFactory::CreateAudioSource(audio_options).
NOTRY=True
BUG=webrtc:6386
Review-Url: https://codereview.webrtc.org/2408143003
Cr-Commit-Position: refs/heads/master@{#14693}
diff --git a/webrtc/api/mediaconstraintsinterface.h b/webrtc/api/mediaconstraintsinterface.h
index d6fd6be..fbb1955 100644
--- a/webrtc/api/mediaconstraintsinterface.h
+++ b/webrtc/api/mediaconstraintsinterface.h
@@ -75,6 +75,8 @@
static const char kExperimentalNoiseSuppression[]; // googNoiseSuppression2
static const char kIntelligibilityEnhancer[]; // intelligibilityEnhancer
static const char kLevelControl[]; // levelControl
+ static const char
+ kLevelControlInitialPeakLevelDBFS[]; // levelControlInitialPeakLevelDBFS
static const char kHighpassFilter[]; // googHighpassFilter
static const char kTypingNoiseDetection[]; // googTypingNoiseDetection
static const char kAudioMirroring[]; // googAudioMirroring