From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Mon, 11 May 2020 18:14:47 +0000 (+0200)
Subject: Fix an integer overflow with very long master frames.
X-Git-Tag: 2.0.0~36
X-Git-Url: https://git.sesse.net/?p=nageru;a=commitdiff_plain;h=11d27b16a092efb99c045b21903da0eb7ee8c4d1

Fix an integer overflow with very long master frames.
---

diff --git a/nageru/mixer.cpp b/nageru/mixer.cpp
index 915ae0e..212041b 100644
--- a/nageru/mixer.cpp
+++ b/nageru/mixer.cpp
@@ -1366,7 +1366,7 @@ start:
 
 	// This might get off by a fractional sample when changing master card
 	// between ones with different frame rates, but that's fine.
-	int num_samples_times_timebase = OUTPUT_FREQUENCY * output_frame_info.frame_duration + fractional_samples;
+	int64_t num_samples_times_timebase = int64_t(OUTPUT_FREQUENCY) * output_frame_info.frame_duration + fractional_samples;
 	output_frame_info.num_samples = num_samples_times_timebase / TIMEBASE;
 	fractional_samples = num_samples_times_timebase % TIMEBASE;
 	assert(output_frame_info.num_samples >= 0);