62 lines
1.6 KiB
Objective-C
62 lines
1.6 KiB
Objective-C
/*
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* Copyright 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#import <Foundation/Foundation.h>
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#if TARGET_OS_IPHONE
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#import <UIKit/UIKit.h>
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#else
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#import <AppKit/AppKit.h>
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#endif
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#import "base/RTCVideoFrame.h"
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NS_ASSUME_NONNULL_BEGIN
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/**
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* Protocol defining ability to render RTCVideoFrame in Metal enabled views.
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*/
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@protocol RTCMTLRenderer <NSObject>
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/**
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* Method to be implemented to perform actual rendering of the provided frame.
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*
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* @param frame The frame to be rendered.
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*/
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- (void)drawFrame:(RTC_OBJC_TYPE(RTCVideoFrame) *)frame;
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/**
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* Sets the provided view as rendering destination if possible.
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*
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* If not possible method returns NO and callers of the method are responisble for performing
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* cleanups.
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*/
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#if TARGET_OS_IOS
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- (BOOL)addRenderingDestination:(__kindof UIView *)view;
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#else
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- (BOOL)addRenderingDestination:(__kindof NSView *)view;
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#endif
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@end
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/**
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* Implementation of RTCMTLRenderer protocol.
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*/
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NS_AVAILABLE(10_11, 9_0)
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@interface RTCMTLRenderer : NSObject <RTCMTLRenderer>
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/** @abstract A wrapped RTCVideoRotation, or nil.
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@discussion When not nil, the rotation of the actual frame is ignored when rendering.
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*/
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@property(atomic, nullable) NSValue *rotationOverride;
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@end
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NS_ASSUME_NONNULL_END
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