02334e07c5
This change does not affect downstream dependencies as androidx.annotation is fully compatible with android.support.annotation. Bug: webrtc:11962 Change-Id: I714b473df8d0fee8000ddf3a9beca7c5613db5ff Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/226881 Commit-Queue: Xavier Lepaul <xalep@webrtc.org> Reviewed-by: Xavier Lepaul <xalep@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/main@{#34839}
70 lines
2.3 KiB
Java
70 lines
2.3 KiB
Java
/*
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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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package org.webrtc;
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import androidx.annotation.Nullable;
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import java.nio.ByteBuffer;
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public class NV21Buffer implements VideoFrame.Buffer {
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private final byte[] data;
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private final int width;
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private final int height;
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private final RefCountDelegate refCountDelegate;
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public NV21Buffer(byte[] data, int width, int height, @Nullable Runnable releaseCallback) {
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this.data = data;
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this.width = width;
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this.height = height;
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this.refCountDelegate = new RefCountDelegate(releaseCallback);
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}
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@Override
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public int getWidth() {
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return width;
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}
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@Override
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public int getHeight() {
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return height;
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}
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@Override
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public VideoFrame.I420Buffer toI420() {
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// Cropping converts the frame to I420. Just crop and scale to the whole image.
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return (VideoFrame.I420Buffer) cropAndScale(0 /* cropX */, 0 /* cropY */, width /* cropWidth */,
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height /* cropHeight */, width /* scaleWidth */, height /* scaleHeight */);
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}
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@Override
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public void retain() {
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refCountDelegate.retain();
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}
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@Override
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public void release() {
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refCountDelegate.release();
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}
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@Override
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public VideoFrame.Buffer cropAndScale(
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int cropX, int cropY, int cropWidth, int cropHeight, int scaleWidth, int scaleHeight) {
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JavaI420Buffer newBuffer = JavaI420Buffer.allocate(scaleWidth, scaleHeight);
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nativeCropAndScale(cropX, cropY, cropWidth, cropHeight, scaleWidth, scaleHeight, data, width,
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height, newBuffer.getDataY(), newBuffer.getStrideY(), newBuffer.getDataU(),
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newBuffer.getStrideU(), newBuffer.getDataV(), newBuffer.getStrideV());
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return newBuffer;
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}
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private static native void nativeCropAndScale(int cropX, int cropY, int cropWidth, int cropHeight,
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int scaleWidth, int scaleHeight, byte[] src, int srcWidth, int srcHeight, ByteBuffer dstY,
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int dstStrideY, ByteBuffer dstU, int dstStrideU, ByteBuffer dstV, int dstStrideV);
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}
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