webrtc/sdk/objc/Framework/Headers/WebRTC/RTCMTLVideoView.h
Peter Hanspers 5daaf7dbc6 Support cropping and rotation override in Metal renderers.
Bug: webrtc:9301
Change-Id: Ic761f0fd6ad6fee74021b84903f1653878453533
Reviewed-on: https://webrtc-review.googlesource.com/80460
Reviewed-by: Anders Carlsson <andersc@webrtc.org>
Commit-Queue: Peter Hanspers <peterhanspers@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23522}
2018-06-05 14:19:14 +00:00

51 lines
1.4 KiB
Objective-C

/*
* Copyright 2017 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 <Foundation/Foundation.h>
#import "WebRTC/RTCVideoFrame.h"
#import "WebRTC/RTCVideoRenderer.h"
// Check if metal is supported in WebRTC.
// NOTE: Currently arm64 == Metal.
#if defined(__aarch64__)
#define RTC_SUPPORTS_METAL
#endif
NS_ASSUME_NONNULL_BEGIN
/**
* RTCMTLVideoView is thin wrapper around MTKView.
*
* It has id<RTCVideoRenderer> property that renders video frames in the view's
* bounds using Metal.
* NOTE: always check if metal is available on the running device via
* RTC_SUPPORTS_METAL macro before initializing this class.
*/
NS_CLASS_AVAILABLE_IOS(9)
RTC_EXPORT
@interface RTCMTLVideoView : UIView <RTCVideoRenderer>
@property(nonatomic, weak) id<RTCVideoViewDelegate> delegate;
@property(nonatomic) UIViewContentMode videoContentMode;
/** @abstract Enables/disables rendering.
*/
@property(nonatomic, getter=isEnabled) BOOL enabled;
/** @abstract Wrapped RTCVideoRotation, or nil.
*/
@property(nullable) NSValue* rotationOverride;
@end
NS_ASSUME_NONNULL_END