1 files changed, 44 insertions, 0 deletions
diff --git a/src/app/sync_video.rs b/src/app/sync_video.rs
new file mode 100644
index 0000000..bb863d4
--- /dev/null
+++ b/src/app/sync_video.rs
@@ -0,0 +1,44 @@
+/*
+	Copyright 2021-2023 Gabriel Jensen.
+
+	This file is part of Luma.
+
+	Luma is free software: you can redistribute it
+	and/or modify it under the terms of the GNU
+	Affero General Public License as published by
+	the Free Software Foundation, either version 3
+	of the License, or (at your option) any later
+	version.
+
+	Luma is distributed in the hope that it will be
+	useful, but WITHOUT ANY WARRANTY; without even
+	the implied warranty of MERCHANTABILITY or
+	FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+	Affero General Public License for more details.
+
+	You should have received a copy of the GNU
+	Affero General Public License along with Luma.
+	If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use crate::app::App;
+
+use std::thread::sleep;
+use std::time::{Duration, Instant};
+
+impl App {
+	pub fn sync_video(&self, frame_start: Instant) {
+		// Courtesy of TASVideos: <https://tasvideos.org/PlatformFramerates>
+		// 59.7275005696058 Hz
+
+		const FRAME_DURATION: u64 = 0xFF7932;
+		let frame_duration        = Duration::from_nanos(FRAME_DURATION);
+
+		let remaining = match frame_duration.checked_sub(frame_start.elapsed()) {
+			Some(value) => value,
+			None        => Duration::from_secs(0x0),
+		};
+
+		sleep(remaining);
+	}
+}