1 /* 2 * Copyright 2017 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #import <AVFoundation/AVFoundation.h> 12 13 #import "RTCMacros.h" 14 15 NS_ASSUME_NONNULL_BEGIN 16 17 @protocol RTC_OBJC_TYPE 18 (RTCI420Buffer); 19 20 // RTCVideoFrameBuffer is an ObjectiveC version of webrtc::VideoFrameBuffer. 21 RTC_OBJC_EXPORT 22 @protocol RTC_OBJC_TYPE 23 (RTCVideoFrameBuffer)<NSObject> 24 25 @property(nonatomic, readonly) int width; 26 @property(nonatomic, readonly) int height; 27 28 - (id<RTC_OBJC_TYPE(RTCI420Buffer)>)toI420; 29 30 @optional 31 - (id<RTC_OBJC_TYPE(RTCVideoFrameBuffer)>)cropAndScaleWith:(int)offsetX 32 offsetY:(int)offsetY 33 cropWidth:(int)cropWidth 34 cropHeight:(int)cropHeight 35 scaleWidth:(int)scaleWidth 36 scaleHeight:(int)scaleHeight; 37 38 @end 39 40 NS_ASSUME_NONNULL_END 41