From 55df326589b708dd765ee67e17eaa903164d7891 Mon Sep 17 00:00:00 2001
From: Dikay900 <dark900@xyz.de>
Date: Sat, 19 Sep 2015 14:05:38 +0200
Subject: [PATCH] PR #4003

---
 modules/videoio/include/opencv2/videoio/cap_ios.h |  2 ++
 modules/videoio/src/cap_ios_video_camera.mm       | 10 ++++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/modules/videoio/include/opencv2/videoio/cap_ios.h b/modules/videoio/include/opencv2/videoio/cap_ios.h
index cf7f2e4ff..1a9875b25 100644
--- a/modules/videoio/include/opencv2/videoio/cap_ios.h
+++ b/modules/videoio/include/opencv2/videoio/cap_ios.h
@@ -71,6 +71,7 @@
 @property (nonatomic, readonly) BOOL captureSessionLoaded;
 
 @property (nonatomic, assign) int defaultFPS;
+@property (nonatomic, readonly) AVCaptureVideoPreviewLayer *captureVideoPreviewLayer;
 @property (nonatomic, assign) AVCaptureDevicePosition defaultAVCaptureDevicePosition;
 @property (nonatomic, assign) AVCaptureVideoOrientation defaultAVCaptureVideoOrientation;
 @property (nonatomic, assign) BOOL useAVCaptureVideoPreviewLayer;
@@ -145,6 +146,7 @@
 - (void)layoutPreviewLayer;
 - (void)saveVideo;
 - (NSURL *)videoFileURL;
+- (NSString *)videoFileString;
 
 
 @end
diff --git a/modules/videoio/src/cap_ios_video_camera.mm b/modules/videoio/src/cap_ios_video_camera.mm
index 0acec6686..1ae70e298 100644
--- a/modules/videoio/src/cap_ios_video_camera.mm
+++ b/modules/videoio/src/cap_ios_video_camera.mm
@@ -41,7 +41,9 @@ static CGFloat DegreesToRadians(CGFloat degrees) {return degrees * M_PI / 180;}
 
 
 
-@interface CvVideoCamera ()
+@interface CvVideoCamera () {
+    int recordingCountDown;
+}
 
 - (void)createVideoDataOutput;
 - (void)createVideoFileOutput;
@@ -98,6 +100,7 @@ static CGFloat DegreesToRadians(CGFloat degrees) {return degrees * M_PI / 180;}
 
 - (void)start;
 {
+    recordingCountDown = 10;
     [super start];
 
     if (self.recordVideo == YES) {
@@ -551,7 +554,8 @@ static CGFloat DegreesToRadians(CGFloat degrees) {return degrees * M_PI / 180;}
         });
 
 
-        if (self.recordVideo == YES) {
+        recordingCountDown--;
+        if (self.recordVideo == YES && recordingCountDown < 0) {
             lastSampleTime = CMSampleBufferGetPresentationTimeStamp(sampleBuffer);
 //			CMTimeShow(lastSampleTime);
             if (self.recordAssetWriter.status != AVAssetWriterStatusWriting) {
@@ -571,6 +575,8 @@ static CGFloat DegreesToRadians(CGFloat degrees) {return degrees * M_PI / 180;}
                                                   withPresentationTime:lastSampleTime] ) {
                     NSLog(@"Video Writing Error");
                 }
+                if (pixelBuffer != nullptr)
+                    CVPixelBufferRelease(pixelBuffer);
             }
 
         }