Fixed video capturing on Mac.

On specific Macbooks (no exact pattern, unfortunately),
video from an integrated camera is not captured.
Changed AVCaptureVideoDataOutput pixel format configuration
as in Chromium which solved the problem.
https://chromium.googlesource.com/chromium/src/media/+/master/capture/video/mac/video_capture_device_avfoundation_mac.mm
FourCharCode best_fourcc = kCVPixelFormatType_422YpCbCr8;

Tested with external cameras as well.

Bug: webrtc:8958
Change-Id: Ib99382b38d1914e2963761a33df310024524c9a4
Reviewed-on: https://webrtc-review.googlesource.com/58880
Commit-Queue: Magnus Jedvert <[email protected]>
Reviewed-by: Magnus Jedvert <[email protected]>
Reviewed-by: Per Kjellander <[email protected]>
Cr-Commit-Position: refs/heads/master@{#22709}

AUTHORS

@@ -28,6 +28,7 @@ Jens Nielsen <[email protected]>
 Jiawei Ou <[email protected]>
 Jie Mao <[email protected]>
 Luke Weber <[email protected]>
+Maksim Khobat <[email protected]>
 Mallikarjuna Rao V <[email protected]>
 Manish Jethani <[email protected]>
 Martin Storsjo <[email protected]>

modules/video_capture/objc/rtc_video_capture_objc.mm

@@ -59,7 +59,7 @@ - (id)initWithOwner:(VideoCaptureIos*)owner {
     AVCaptureVideoDataOutput* captureOutput = [[AVCaptureVideoDataOutput alloc] init];
     NSString* key = (NSString*)kCVPixelBufferPixelFormatTypeKey;
 
-    NSNumber* val = [NSNumber numberWithUnsignedInt:kCVPixelFormatType_420YpCbCr8BiPlanarFullRange];
+    NSNumber* val = [NSNumber numberWithUnsignedInt:kCVPixelFormatType_422YpCbCr8];
     NSDictionary* videoSettings = [NSDictionary dictionaryWithObject:val forKey:key];
     captureOutput.videoSettings = videoSettings;
 
@@ -319,21 +319,16 @@ - (void)captureOutput:(AVCaptureOutput*)captureOutput
     return;
   }
 
-  const int kYPlaneIndex = 0;
-  const int kUVPlaneIndex = 1;
-
-  uint8_t* baseAddress = (uint8_t*)CVPixelBufferGetBaseAddressOfPlane(videoFrame, kYPlaneIndex);
-  size_t yPlaneBytesPerRow = CVPixelBufferGetBytesPerRowOfPlane(videoFrame, kYPlaneIndex);
-  size_t yPlaneHeight = CVPixelBufferGetHeightOfPlane(videoFrame, kYPlaneIndex);
-  size_t uvPlaneBytesPerRow = CVPixelBufferGetBytesPerRowOfPlane(videoFrame, kUVPlaneIndex);
-  size_t uvPlaneHeight = CVPixelBufferGetHeightOfPlane(videoFrame, kUVPlaneIndex);
-  size_t frameSize = yPlaneBytesPerRow * yPlaneHeight + uvPlaneBytesPerRow * uvPlaneHeight;
+  uint8_t* baseAddress = (uint8_t*)CVPixelBufferGetBaseAddress(videoFrame);
+  const size_t width = CVPixelBufferGetWidth(videoFrame);
+  const size_t height = CVPixelBufferGetHeight(videoFrame);
+  const size_t frameSize = width * height * 2;
 
   VideoCaptureCapability tempCaptureCapability;
-  tempCaptureCapability.width = CVPixelBufferGetWidth(videoFrame);
-  tempCaptureCapability.height = CVPixelBufferGetHeight(videoFrame);
+  tempCaptureCapability.width = width;
+  tempCaptureCapability.height = height;
   tempCaptureCapability.maxFPS = _capability.maxFPS;
-  tempCaptureCapability.videoType = VideoType::kNV12;
+  tempCaptureCapability.videoType = VideoType::kUYVY;
 
   _owner->IncomingFrame(baseAddress, frameSize, tempCaptureCapability, 0);