From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Tue, 13 Oct 2015 23:05:06 +0000 (+0200)
Subject: Fix wraparound in some timecode comparisons.
X-Git-Tag: 0.4~51
X-Git-Url: https://git.sesse.net/?p=bmusb;a=commitdiff_plain;h=e6f8f805a7224fedf90ba90ef5a3ca83d21b6c6b

Fix wraparound in some timecode comparisons.
---

diff --git a/bmusb.cpp b/bmusb.cpp
index 8b40f49..387e042 100644
--- a/bmusb.cpp
+++ b/bmusb.cpp
@@ -158,12 +158,12 @@ void BMUSBCapture::dequeue_thread_func()
 
 		uint16_t video_timecode = pending_video_frames.front().timecode;
 		uint16_t audio_timecode = pending_audio_frames.front().timecode;
-		if (video_timecode < audio_timecode) {
+		if (uint16_less_than_with_wraparound(video_timecode, audio_timecode)) {
 			printf("Video block 0x%04x without corresponding audio block, dropping.\n",
 				video_timecode);
 			video_frame_allocator->release_frame(pending_video_frames.front().frame);
 			pending_video_frames.pop_front();
-		} else if (audio_timecode < video_timecode) {
+		} else if (uint16_less_than_with_wraparound(audio_timecode, video_timecode)) {
 			printf("Audio block 0x%04x without corresponding video block, sending blank frame.\n",
 				audio_timecode);
 			QueuedFrame audio_frame = pending_audio_frames.front();