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