86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
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/*
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* Copyright 2015 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 <AVFoundation/AVFoundation.h>
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#import <Foundation/Foundation.h>
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#import "RTCMacros.h"
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NS_ASSUME_NONNULL_BEGIN
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typedef NS_ENUM(NSInteger, RTCVideoRotation) {
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RTCVideoRotation_0 = 0,
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RTCVideoRotation_90 = 90,
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RTCVideoRotation_180 = 180,
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RTCVideoRotation_270 = 270,
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};
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@protocol RTCVideoFrameBuffer;
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// RTCVideoFrame is an ObjectiveC version of webrtc::VideoFrame.
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RTC_OBJC_EXPORT
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@interface RTCVideoFrame : NSObject
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/** Width without rotation applied. */
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@property(nonatomic, readonly) int width;
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/** Height without rotation applied. */
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@property(nonatomic, readonly) int height;
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@property(nonatomic, readonly) RTCVideoRotation rotation;
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/** Timestamp in nanoseconds. */
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@property(nonatomic, readonly) int64_t timeStampNs;
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/** Timestamp 90 kHz. */
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@property(nonatomic, assign) int32_t timeStamp;
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@property(nonatomic, readonly) id<RTCVideoFrameBuffer> buffer;
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- (instancetype)init NS_UNAVAILABLE;
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- (instancetype) new NS_UNAVAILABLE;
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/** Initialize an RTCVideoFrame from a pixel buffer, rotation, and timestamp.
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* Deprecated - initialize with a RTCCVPixelBuffer instead
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*/
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- (instancetype)initWithPixelBuffer:(CVPixelBufferRef)pixelBuffer
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rotation:(RTCVideoRotation)rotation
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timeStampNs:(int64_t)timeStampNs
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DEPRECATED_MSG_ATTRIBUTE("use initWithBuffer instead");
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/** Initialize an RTCVideoFrame from a pixel buffer combined with cropping and
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* scaling. Cropping will be applied first on the pixel buffer, followed by
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* scaling to the final resolution of scaledWidth x scaledHeight.
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*/
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- (instancetype)initWithPixelBuffer:(CVPixelBufferRef)pixelBuffer
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scaledWidth:(int)scaledWidth
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scaledHeight:(int)scaledHeight
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cropWidth:(int)cropWidth
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cropHeight:(int)cropHeight
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cropX:(int)cropX
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cropY:(int)cropY
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rotation:(RTCVideoRotation)rotation
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timeStampNs:(int64_t)timeStampNs
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DEPRECATED_MSG_ATTRIBUTE("use initWithBuffer instead");
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/** Initialize an RTCVideoFrame from a frame buffer, rotation, and timestamp.
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*/
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- (instancetype)initWithBuffer:(id<RTCVideoFrameBuffer>)frameBuffer
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rotation:(RTCVideoRotation)rotation
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timeStampNs:(int64_t)timeStampNs;
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/** Return a frame that is guaranteed to be I420, i.e. it is possible to access
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* the YUV data on it.
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*/
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- (RTCVideoFrame *)newI420VideoFrame;
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@end
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NS_ASSUME_NONNULL_END
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