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Implement Optimized CropAndScale for ObjCFrameBuffer

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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}
This commit is contained in:
Byoungchan Lee
2022-08-19 07:33:43 +09:00
committed by WebRTC LUCI CQ
parent e0b45c268e
commit 9204302248
6 changed files with 211 additions and 0 deletions
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6
sdk/objc/native/src/objc_frame_buffer.h
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@ -33,6 +33,12 @@ class ObjCFrameBuffer : public VideoFrameBuffer {
int height() const override;
rtc::scoped_refptr<I420BufferInterface> ToI420() override;
rtc::scoped_refptr<VideoFrameBuffer> CropAndScale(int offset_x,
int offset_y,
int crop_width,
int crop_height,
int scaled_width,
int scaled_height) override;
id<RTC_OBJC_TYPE(RTCVideoFrameBuffer)> wrapped_frame_buffer() const;