Add CoreVideoFrameBuffer.

webrtc/api/objc/RTCEAGLVideoView.m

 /*
  *  Copyright 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#import "RTCEAGLVideoView.h"
+#import "webrtc/api/objc/RTCEAGLVideoView.h"
 
 #import <GLKit/GLKit.h>
 
-#import "RTCVideoFrame.h"
-#import "RTCOpenGLVideoRenderer.h"
+#import "webrtc/api/objc/RTCOpenGLVideoRenderer.h"
+#import "webrtc/api/objc/RTCVideoFrame.h"
 
 // RTCDisplayLinkTimer wraps a CADisplayLink and is set to fire every two screen
 // refreshes, which should be 30fps. We wrap the display link in order to avoid
 // a retain cycle since CADisplayLink takes a strong reference onto its target.
 // The timer is paused by default.
 @interface RTCDisplayLinkTimer : NSObject
 
 @property(nonatomic) BOOL isPaused;
 
 - (instancetype)initWithTimerHandler:(void (^)(void))timerHandler;
@@ skipping 176 matching lines @@
 // These methods may be called on non-main thread.
 - (void)setSize:(CGSize)size {
   __weak RTCEAGLVideoView *weakSelf = self;
   dispatch_async(dispatch_get_main_queue(), ^{
     RTCEAGLVideoView *strongSelf = weakSelf;
     [strongSelf.delegate videoView:strongSelf didChangeVideoSize:size];
   });
 }
 
 - (void)renderFrame:(RTCVideoFrame *)frame {
+  // Generate the i420 frame on video send thread instead of main thread.
+  // TODO(tkchin): Remove this once RTCEAGLVideoView supports uploading
+  // CVPixelBuffer textures.
+  [frame convertBufferIfNeeded];
   self.videoFrame = frame;
 }
 
 #pragma mark - Private
 
 - (void)displayLinkTimerDidFire {
   // Don't render unless video frame have changed or the view content
   // has explicitly been marked dirty.
   if (!_isDirty && _glRenderer.lastDrawnFrame == self.videoFrame) {
     return;
@@ skipping 27 matching lines @@
 
 - (void)didBecomeActive {
   [self setupGL];
 }
 
 - (void)willResignActive {
   [self teardownGL];
 }
 
 @end