Add startDiffFromAudioStartTimestamp temporarily to make it easy to d…

…etect bad state
smule · Oct 13, 2017 · 135b2d6 · 135b2d6
1 parent f661e32
commit 135b2d6
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 0 deletions.
diff --git a/Source/PBJVision.h b/Source/PBJVision.h
@@ -242,6 +242,7 @@ static CGFloat const PBJVideoBitRate1280x750 = 5000000 * 8;     // 40bmps
 
 @property (nonatomic, readonly) NSURL *captureOutputURL;
 
+- (NSTimeInterval)startDiffFromAudioStartTimestamp:(CMTime)audioStartTimestamp;
 - (void)setAudioStartTimestamp:(CMTime)audioStartTimestamp;
 - (void)setAudioStopTimestamp:(CMTime)audioStopTimestamp;
 

diff --git a/Source/PBJVision.m b/Source/PBJVision.m
@@ -681,6 +681,11 @@ - (AVCaptureDeviceFormat *)formatForDevice:(AVCaptureDevice*)device withDim:(NSI
     return nil;
 }
 
+- (NSTimeInterval)startDiffFromAudioStartTimestamp:(CMTime)audioStartTimestamp
+{
+    return CMTimeGetSeconds(CMTimeSubtract(_startTimestamp, audioStartTimestamp));
+}
+
 - (void)setAudioStartTimestamp:(CMTime)audioStartTimestamp
 {
     if (CMTIME_IS_VALID(_startTimestamp))