| /* |
| * Copyright 2018 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 "RTCMacros.h" |
| #import "RTCVideoFrameBuffer.h" |
| |
| NS_ASSUME_NONNULL_BEGIN |
| |
| /** RTCVideoFrameBuffer containing a CVPixelBufferRef */ |
| RTC_OBJC_EXPORT |
| @interface RTC_OBJC_TYPE (RTCCVPixelBuffer) : NSObject <RTC_OBJC_TYPE(RTCVideoFrameBuffer)> |
| |
| @property(nonatomic, readonly) CVPixelBufferRef pixelBuffer; |
| @property(nonatomic, readonly) int cropX; |
| @property(nonatomic, readonly) int cropY; |
| @property(nonatomic, readonly) int cropWidth; |
| @property(nonatomic, readonly) int cropHeight; |
| |
| + (NSSet<NSNumber *> *)supportedPixelFormats; |
| |
| - (instancetype)initWithPixelBuffer:(CVPixelBufferRef)pixelBuffer; |
| - (instancetype)initWithPixelBuffer:(CVPixelBufferRef)pixelBuffer |
| adaptedWidth:(int)adaptedWidth |
| adaptedHeight:(int)adaptedHeight |
| cropWidth:(int)cropWidth |
| cropHeight:(int)cropHeight |
| cropX:(int)cropX |
| cropY:(int)cropY; |
| |
| - (BOOL)requiresCropping; |
| - (BOOL)requiresScalingToWidth:(int)width height:(int)height; |
| - (int)bufferSizeForCroppingAndScalingToWidth:(int)width height:(int)height; |
| |
| /** The minimum size of the `tmpBuffer` must be the number of bytes returned from the |
| * bufferSizeForCroppingAndScalingToWidth:height: method. |
| * If that size is 0, the `tmpBuffer` may be nil. |
| */ |
| - (BOOL)cropAndScaleTo:(CVPixelBufferRef)outputPixelBuffer |
| withTempBuffer:(nullable uint8_t *)tmpBuffer; |
| |
| @end |
| |
| NS_ASSUME_NONNULL_END |
