iOS HW H264 support.

talk/app/webrtc/objc/h264decoderfactory.cc

Index: talk/app/webrtc/objc/h264decoderfactory.cc
diff --git a/talk/examples/objc/AppRTCDemo/ios/ARDMainView.h b/talk/app/webrtc/objc/h264decoderfactory.cc
similarity index 77%
copy from talk/examples/objc/AppRTCDemo/ios/ARDMainView.h
copy to talk/app/webrtc/objc/h264decoderfactory.cc
index 9d9f5ebcf011500c71bf09ba0405b465ccccc583..45987612b12ed244b6d6921f09da16d362c588d9 100644
--- a/talk/examples/objc/AppRTCDemo/ios/ARDMainView.h
+++ b/talk/app/webrtc/objc/h264decoderfactory.cc
@@ -25,20 +25,21 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#import <UIKit/UIKit.h>
+#include "talk/app/webrtc/objc/h264decoderfactory.h"
 
-@class ARDMainView;
+#include "webrtc/modules/video_coding/codecs/h264/include/h264.h"
 
-@protocol ARDMainViewDelegate <NSObject>
+namespace webrtc {
 
-- (void)mainView:(ARDMainView *)mainView didInputRoom:(NSString *)room;
+VideoDecoder* H264DecoderFactory::CreateVideoDecoder(VideoCodecType type) {
+  if (type == kVideoCodecH264) {
+    return H264Decoder::Create();
+  }
+  return nullptr;
+}
 
-@end
+void H264DecoderFactory::DestroyVideoDecoder(VideoDecoder* decoder) {
+  delete decoder;
+}
 
-// The main view of AppRTCDemo. It contains an input field for entering a room
-// name on apprtc to connect to.
-@interface ARDMainView : UIView
-
-@property(nonatomic, weak) id<ARDMainViewDelegate> delegate;
-
-@end
+}  // namespace webrtc