webrtc/sdk/objc/base/RTCVideoFrameBuffer.h
Byoungchan Lee 9204302248 Implement Optimized CropAndScale for ObjCFrameBuffer
The default implementation of CropAndScale uses ToI420() and then Scale,
and this implementation behaves inefficiently with RTCCVPixelBuffer.

Bug: None
Change-Id: I422ef80d124db0354a2e696892e882a78db445bb
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/271140
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Commit-Queue: Daniel.L (Byoungchan) Lee <daniel.l@hpcnt.com>
Auto-Submit: Daniel.L (Byoungchan) Lee <daniel.l@hpcnt.com>
Commit-Queue: Kári Helgason <kthelgason@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37877}
2022-08-23 10:39:58 +00:00

39 lines
1.3 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 <AVFoundation/AVFoundation.h>
#import "RTCMacros.h"
NS_ASSUME_NONNULL_BEGIN
@protocol RTC_OBJC_TYPE
(RTCI420Buffer);
// RTCVideoFrameBuffer is an ObjectiveC version of webrtc::VideoFrameBuffer.
RTC_OBJC_EXPORT
@protocol RTC_OBJC_TYPE
(RTCVideoFrameBuffer)<NSObject>
@property(nonatomic, readonly) int width;
@property(nonatomic, readonly) int height;
- (id<RTC_OBJC_TYPE(RTCVideoFrameBuffer)>)cropAndScaleWith:(int)offsetX
offsetY:(int)offsetY
cropWidth:(int)cropWidth
cropHeight:(int)cropHeight
scaleWidth:(int)scaleWidth
scaleHeight:(int)scaleHeight;
- (id<RTC_OBJC_TYPE(RTCI420Buffer)>)toI420;
@end
NS_ASSUME_NONNULL_END