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f3ee3b7478
In addition to NV12 frames, also support cropping/scaling RGB frames and converting RGB frames to i420. This CL also removes the hardcoding of pixel format in RTCCameraVideoCapturer. Instead, use the first available format for the output device that our pipeline supports. Bug: webrtc:8351 Change-Id: If479b4934c47cd2994936913f55e60fbbee3893b Reviewed-on: https://webrtc-review.googlesource.com/8920 Commit-Queue: Anders Carlsson <andersc@webrtc.org> Reviewed-by: Magnus Jedvert <magjed@webrtc.org> Reviewed-by: Daniela Jovanoska Petrenko <denicija@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20396}
106 lines
3.5 KiB
Objective-C
106 lines
3.5 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 <AVFoundation/AVFoundation.h>
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#import <WebRTC/RTCMacros.h>
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NS_ASSUME_NONNULL_BEGIN
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@protocol RTCI420Buffer;
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// RTCVideoFrameBuffer is an ObjectiveC version of webrtc::VideoFrameBuffer.
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RTC_EXPORT
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@protocol RTCVideoFrameBuffer <NSObject>
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@property(nonatomic, readonly) int width;
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@property(nonatomic, readonly) int height;
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- (id<RTCI420Buffer>)toI420;
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@end
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/** Protocol for RTCVideoFrameBuffers containing YUV planar data. */
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@protocol RTCYUVPlanarBuffer <RTCVideoFrameBuffer>
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@property(nonatomic, readonly) int chromaWidth;
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@property(nonatomic, readonly) int chromaHeight;
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@property(nonatomic, readonly) const uint8_t *dataY;
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@property(nonatomic, readonly) const uint8_t *dataU;
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@property(nonatomic, readonly) const uint8_t *dataV;
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@property(nonatomic, readonly) int strideY;
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@property(nonatomic, readonly) int strideU;
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@property(nonatomic, readonly) int strideV;
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- (instancetype)initWithWidth:(int)width height:(int)height;
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- (instancetype)initWithWidth:(int)width
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height:(int)height
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strideY:(int)strideY
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strideU:(int)strideU
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strideV:(int)strideV;
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@end
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/** Extension of the YUV planar data buffer with mutable data access */
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@protocol RTCMutableYUVPlanarBuffer <RTCYUVPlanarBuffer>
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@property(nonatomic, readonly) uint8_t *mutableDataY;
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@property(nonatomic, readonly) uint8_t *mutableDataU;
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@property(nonatomic, readonly) uint8_t *mutableDataV;
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@end
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/** Protocol for RTCYUVPlanarBuffers containing I420 data */
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@protocol RTCI420Buffer <RTCYUVPlanarBuffer>
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@end
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/** Extension of the I420 buffer with mutable data access */
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@protocol RTCMutableI420Buffer <RTCI420Buffer, RTCMutableYUVPlanarBuffer>
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@end
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/** RTCVideoFrameBuffer containing a CVPixelBufferRef */
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RTC_EXPORT
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@interface RTCCVPixelBuffer : NSObject <RTCVideoFrameBuffer>
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@property(nonatomic, readonly) CVPixelBufferRef pixelBuffer;
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@property(nonatomic, readonly) int cropX;
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@property(nonatomic, readonly) int cropY;
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+ (NSSet<NSNumber *> *)supportedPixelFormats;
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- (instancetype)initWithPixelBuffer:(CVPixelBufferRef)pixelBuffer;
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- (instancetype)initWithPixelBuffer:(CVPixelBufferRef)pixelBuffer
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adaptedWidth:(int)adaptedWidth
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adaptedHeight:(int)adaptedHeight
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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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- (BOOL)requiresCropping;
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- (BOOL)requiresScalingToWidth:(int)width height:(int)height;
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- (int)bufferSizeForCroppingAndScalingToWidth:(int)width height:(int)height;
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/** The minimum size of the |tmpBuffer| must be the number of bytes returned from the
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* bufferSizeForCroppingAndScalingToWidth:height: method.
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*/
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- (BOOL)cropAndScaleTo:(CVPixelBufferRef)outputPixelBuffer withTempBuffer:(uint8_t *)tmpBuffer;
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@end
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/** RTCI420Buffer implements the RTCI420Buffer protocol */
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RTC_EXPORT
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@interface RTCI420Buffer : NSObject <RTCI420Buffer>
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@end
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/** Mutable version of RTCI420Buffer */
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RTC_EXPORT
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@interface RTCMutableI420Buffer : RTCI420Buffer <RTCMutableI420Buffer>
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@end
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NS_ASSUME_NONNULL_END
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