zqz/platform-external-webrtc
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Reland "Implement Optimized CropAndScale for ObjCFrameBuffer"

Browse Source 
This is a reland of commit 92043022488f80fd58c91d4dbb6889248de160ce

Original change's description:
> 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}

Bug: None
Change-Id: Ie74146a33c1f54d0c988978bd925671afe699d05
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/272740
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Commit-Queue: Daniel.L (Byoungchan) Lee <daniel.l@hpcnt.com>
Cr-Commit-Position: refs/heads/main@{#37887}
This commit is contained in:
Byoungchan Lee
2022-08-24 01:49:29 +09:00
committed by WebRTC LUCI CQ
parent a7dcd29c1f
commit 5aa3b073ad
6 changed files with 219 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
sdk/objc/components/video_frame_buffer/RTCCVPixelBuffer.mm
View File

@ -153,6 +153,21 @@
return YES;
}
- (id<RTC_OBJC_TYPE(RTCVideoFrameBuffer)>)cropAndScaleWith:(int)offsetX
offsetY:(int)offsetY
cropWidth:(int)cropWidth
cropHeight:(int)cropHeight
scaleWidth:(int)scaleWidth
scaleHeight:(int)scaleHeight {
return [[RTC_OBJC_TYPE(RTCCVPixelBuffer) alloc]
initWithPixelBuffer:_pixelBuffer
adaptedWidth:scaleWidth
adaptedHeight:scaleHeight
cropWidth:cropWidth * _cropWidth / _width
cropHeight:cropHeight * _cropHeight / _height
cropX:_cropX + offsetX * _cropWidth / _width
cropY:_cropY + offsetY * _cropHeight / _height];
}
- (id<RTC_OBJC_TYPE(RTCI420Buffer)>)toI420 {
const OSType pixelFormat = CVPixelBufferGetPixelFormatType(_pixelBuffer);