From 4e7152bd70645b37a3abb9ffef60a3fea85e9530 Mon Sep 17 00:00:00 2001
From: jcm <6864788+jcm93@users.noreply.github.com>
Date: Tue, 25 Feb 2025 10:49:41 -0600
Subject: [PATCH] mac-capture: Set minimum frame interval in capture
 initialization

---
 plugins/mac-capture/mac-sck-video-capture.m | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/plugins/mac-capture/mac-sck-video-capture.m b/plugins/mac-capture/mac-sck-video-capture.m
index ebafb252f..3f5c403c6 100644
--- a/plugins/mac-capture/mac-sck-video-capture.m
+++ b/plugins/mac-capture/mac-sck-video-capture.m
@@ -194,11 +194,21 @@ API_AVAILABLE(macos(12.5)) static bool init_screen_stream(struct screen_capture
     }
     os_sem_post(sc->shareable_content_available);
 
+    struct obs_video_info video_info;
+    bool hasVideoInfo = obs_get_video_info(&video_info);
+
     CGColorRef background = CGColorGetConstantColor(kCGColorClear);
     [sc->stream_properties setQueueDepth:8];
     [sc->stream_properties setShowsCursor:!sc->hide_cursor];
     [sc->stream_properties setColorSpaceName:kCGColorSpaceDisplayP3];
     [sc->stream_properties setBackgroundColor:background];
+    if (hasVideoInfo) {
+        CMTime frameTimeInterval = CMTimeMake((int64_t) video_info.fps_den, video_info.fps_num);
+        CMTime minimumUpdateTime = CMTimeMultiplyByFloat64(frameTimeInterval, 0.9);
+        [sc->stream_properties setMinimumFrameInterval:minimumUpdateTime];
+    } else {
+        blog(LOG_WARNING, "Unable to retrieve OBS output FPS when initializing macOS Screen Capture");
+    }
     FourCharCode l10r_type = 0;
     l10r_type = ('l' << 24) | ('1' << 16) | ('0' << 8) | 'r';
     [sc->stream_properties setPixelFormat:l10r_type];