Improved custom exposure in AVFLiveVideo

Summary: 1. Moved the lock statement above the value statement 2. Increase precision Reviewed By: enpe Differential Revision: D67608722 fbshipit-source-id: 2b28c3307798e69e97616b60dbbee04db4bbf2be
facebookresearch · Jan 6, 2025 · 409f513 · 409f513
1 parent 796315c
commit 409f513
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/impl/ocean/media/avfoundation/AVFLiveVideo.mm b/impl/ocean/media/avfoundation/AVFLiveVideo.mm
@@ -317,10 +317,11 @@ - (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputSampleBuffer:(CM
 			}
 			else
 			{
-				const CMTime exposureDuration = CMTimeMake(int64_t(duration * 1000.0 + 0.5), 1000);
+				const CMTime exposureDuration = CMTimeMakeWithSeconds(duration, 1000 * 1000 * 10);
 
-				[captureDevice_ setExposureModeCustomWithDuration:exposureDuration ISO:[captureDevice_ ISO] completionHandler:nil];
 				[captureDevice_ setExposureMode:AVCaptureExposureModeLocked];
+				[captureDevice_ setExposureModeCustomWithDuration:exposureDuration ISO:AVCaptureISOCurrent completionHandler:nil];
+
 				result = true;
 			}