From fff41b5f4e085f84da1b777c111fb7d5350a9e19 Mon Sep 17 00:00:00 2001
From: kkostiuk <kateryna.kostiuk@savoirfairelinux.com>
Date: Thu, 20 May 2021 09:59:22 -0400
Subject: [PATCH] audio: filter input devices for macOS
When creating Voice Processing Audio Unit a
VPAUAggregateAudioDevice created. Also, input stream added
to speaker device for echo cancellation. This patch filter out
those devices from audio input devices.
Change-Id: I2d314947b33643d8199fb8f7a594100228e8968c
---
src/media/audio/coreaudio/osx/corelayer.mm | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/src/media/audio/coreaudio/osx/corelayer.mm b/src/media/audio/coreaudio/osx/corelayer.mm
index 50cb3d64b4..fc91bd1e7c 100644
--- a/src/media/audio/coreaudio/osx/corelayer.mm
+++ b/src/media/audio/coreaudio/osx/corelayer.mm
@@ -498,6 +498,20 @@ CoreLayer::getDeviceList(bool getCapture) const
for (int i = 0; i < nDevices; ++i) {
auto dev = AudioDevice {devids[i], getCapture};
if (dev.channels_ > 0) { // Channels < 0 if inactive.
+ //There is additional stream under the built-in device - the raw streams enabled by AUVP.
+ if (dev.name_.find("VPAUAggregateAudioDevice") != std::string::npos) {
+ //ignore VPAUAggregateAudioDevice
+ continue;
+ }
+ //for input device check if it not speaker
+ //since the speaker device has input stream for echo cancellation.
+ if (getCapture) {
+ auto devOutput = AudioDevice {devids[i], !getCapture};
+ // it is output device
+ if (devOutput.channels_ > 0) {
+ continue;
+ }
+ }
ret.push_back(std::move(dev));
}
}
--
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