From b6a19c6aa0574b517d666df64e1dd253514ec8fb Mon Sep 17 00:00:00 2001
From: Yerken Tussupbekov <ideahitme@fb.com>
Date: Mon, 14 Feb 2022 07:11:17 -0800
Subject: [PATCH] Enable
 kVTVideoEncoderSpecification_EnableLowLatencyRateControl

Summary: title

Reviewed By: jamescoggan

Differential Revision: D33859892

fbshipit-source-id: e1a13fac63178df52681f52238bc71cb78aa237d
---
 FBSimulatorControl/Framebuffer/FBSimulatorVideoStream.m | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/FBSimulatorControl/Framebuffer/FBSimulatorVideoStream.m b/FBSimulatorControl/Framebuffer/FBSimulatorVideoStream.m
index 4d5aa08ce..0ab2b6231 100644
--- a/FBSimulatorControl/Framebuffer/FBSimulatorVideoStream.m
+++ b/FBSimulatorControl/Framebuffer/FBSimulatorVideoStream.m
@@ -206,6 +206,13 @@ - (BOOL)setupWithPixelBuffer:(CVPixelBufferRef)pixelBuffer error:(NSError **)err
   NSDictionary<NSString *, id> * encoderSpecification = @{
     (NSString *) kVTVideoEncoderSpecification_EnableHardwareAcceleratedVideoEncoder: @YES,
   };
+  
+  if (@available(macOS 12.1, *)) {
+    encoderSpecification = @{
+      (NSString *) kVTVideoEncoderSpecification_RequireHardwareAcceleratedVideoEncoder: @YES,
+      (NSString *) kVTVideoEncoderSpecification_EnableLowLatencyRateControl: @YES,
+    };
+  }
   size_t sourceWidth = CVPixelBufferGetWidth(pixelBuffer);
   size_t sourceHeight = CVPixelBufferGetHeight(pixelBuffer);
   int32_t destinationWidth = (int32_t) sourceWidth;