Add RTCVideoFrame init function from CVPixelBufferRef

webrtc/sdk/objc/Framework/Headers/WebRTC/RTCVideoFrame.h

Index: webrtc/sdk/objc/Framework/Headers/WebRTC/RTCVideoFrame.h
diff --git a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCVideoFrame.h b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCVideoFrame.h
index 6f062f814e8de9a3f0860b10b4e6c9c62f3fe413..4fbc0b9dc8f9653935596a7699c2eec422c4800e 100644
--- a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCVideoFrame.h
+++ b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCVideoFrame.h
@@ -43,8 +43,28 @@ RTC_EXPORT
 
 - (instancetype)init NS_UNAVAILABLE;

[daniela-webrtc, 2017/02/20 12:10:31]

Super nit: I know that this is not part of the CL, but we should also mark
+ (instancetype) new NS_UNAVAILABLE;

[magjed_webrtc, 2017/02/20 16:59:03]

Done.

 
+/** Initialize an RTCVideoFrame from a pixel buffer, rotation, and timestamp.
+ */
+- (instancetype)initWithPixelBuffer:(CVPixelBufferRef)pixelBuffer
+                           rotation:(int)rotation
+                        timeStampNs:(int64_t)timeStampNs;
+
+/** Initialize an RTCVideoFrame from a pixel buffer combined with cropping and
+ *  scaling. Cropping will be applied first on the pixel buffer, followed by
+ *  scaling to the final resolution of scaledWidth x scaledHeight.
+ */
+- (instancetype)initWithPixelBuffer:(CVPixelBufferRef)pixelBuffer
+                        scaledWidth:(int)scaledWidth
+                       scaledHeight:(int)scaledHeight
+                          cropWidth:(int)cropWidth
+                         cropHeight:(int)cropHeight
+                              cropX:(int)cropX
+                              cropY:(int)cropY
+                           rotation:(int)rotation
+                        timeStampNs:(int64_t)timeStampNs;
+
 /** Return a frame that is guaranteed to be I420, i.e. it is possible to access
- * the YUV data on it.
+ *  the YUV data on it.
  */
 - (RTCVideoFrame*)convertToI420;