1/* 2 * libjingle 3 * Copyright 2013, Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#import <Foundation/Foundation.h> 29#if TARGET_OS_IPHONE 30#import <UIKit/UIKit.h> 31#endif 32 33@class RTCI420Frame; 34@class RTCVideoRenderer; 35 36// RTCVideoRendererDelegate is a protocol for an object that must be 37// implemented to get messages when rendering. 38@protocol RTCVideoRendererDelegate<NSObject> 39 40// The size of the frame. 41- (void)renderer:(RTCVideoRenderer*)renderer didSetSize:(CGSize)size; 42 43// The frame to be displayed. 44- (void)renderer:(RTCVideoRenderer*)renderer 45 didReceiveFrame:(RTCI420Frame*)frame; 46 47@end 48 49// Interface for rendering VideoFrames from a VideoTrack 50@interface RTCVideoRenderer : NSObject 51 52@property(nonatomic, weak) id<RTCVideoRendererDelegate> delegate; 53 54// Initialize the renderer. Requires a delegate which does the actual drawing 55// of frames. 56- (instancetype)initWithDelegate:(id<RTCVideoRendererDelegate>)delegate; 57 58#ifndef DOXYGEN_SHOULD_SKIP_THIS 59// Disallow init and don't add to documentation 60- (id)init __attribute__(( 61 unavailable("init is not a supported initializer for this class."))); 62#endif /* DOXYGEN_SHOULD_SKIP_THIS */ 63 64@end 65