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fix: add WrappedVideoDecoderFactory.java. #74

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Jun 8, 2023
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1 change: 1 addition & 0 deletions sdk/android/BUILD.gn
Original file line number Diff line number Diff line change
Expand Up @@ -364,6 +364,7 @@ if (is_android) {
sources = [
"api/org/webrtc/DefaultVideoDecoderFactory.java",
"api/org/webrtc/DefaultVideoEncoderFactory.java",
"api/org/webrtc/WrappedVideoDecoderFactory.java",
]

deps = [
Expand Down
75 changes: 75 additions & 0 deletions sdk/android/api/org/webrtc/WrappedVideoDecoderFactory.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,75 @@
/*
* Copyright 2023 LiveKit
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package org.webrtc;

import android.media.MediaCodecInfo;
import androidx.annotation.Nullable;

import java.util.Arrays;
import java.util.LinkedHashSet;

public class WrappedVideoDecoderFactory implements VideoDecoderFactory {
public WrappedVideoDecoderFactory(@Nullable EglBase.Context eglContext) {
this.hardwareVideoDecoderFactory = new HardwareVideoDecoderFactory(eglContext);
this.platformSoftwareVideoDecoderFactory = new PlatformSoftwareVideoDecoderFactory(eglContext);
}

private final VideoDecoderFactory hardwareVideoDecoderFactory;
private final VideoDecoderFactory hardwareVideoDecoderFactoryWithoutEglContext = new HardwareVideoDecoderFactory(null) ;
private final VideoDecoderFactory softwareVideoDecoderFactory = new SoftwareVideoDecoderFactory();
@Nullable
private final VideoDecoderFactory platformSoftwareVideoDecoderFactory;

@Override
public VideoDecoder createDecoder(VideoCodecInfo codecType) {
VideoDecoder softwareDecoder = this.softwareVideoDecoderFactory.createDecoder(codecType);
VideoDecoder hardwareDecoder = this.hardwareVideoDecoderFactory.createDecoder(codecType);
if (softwareDecoder == null && this.platformSoftwareVideoDecoderFactory != null) {
softwareDecoder = this.platformSoftwareVideoDecoderFactory.createDecoder(codecType);
}

if(hardwareDecoder != null && disableSurfaceTextureFrame(hardwareDecoder.getImplementationName())) {
hardwareDecoder.release();
hardwareDecoder = this.hardwareVideoDecoderFactoryWithoutEglContext.createDecoder(codecType);
}

if (hardwareDecoder != null && softwareDecoder != null) {
return new VideoDecoderFallback(softwareDecoder, hardwareDecoder);
} else {
return hardwareDecoder != null ? hardwareDecoder : softwareDecoder;
}
}

private boolean disableSurfaceTextureFrame(String name) {
if (name.startsWith("OMX.qcom.") || name.startsWith("OMX.hisi.")) {
return true;
}
return false;
}

@Override
public VideoCodecInfo[] getSupportedCodecs() {
LinkedHashSet<VideoCodecInfo> supportedCodecInfos = new LinkedHashSet();
supportedCodecInfos.addAll(Arrays.asList(this.softwareVideoDecoderFactory.getSupportedCodecs()));
supportedCodecInfos.addAll(Arrays.asList(this.hardwareVideoDecoderFactory.getSupportedCodecs()));
if (this.platformSoftwareVideoDecoderFactory != null) {
supportedCodecInfos.addAll(Arrays.asList(this.platformSoftwareVideoDecoderFactory.getSupportedCodecs()));
}

return (VideoCodecInfo[])supportedCodecInfos.toArray(new VideoCodecInfo[supportedCodecInfos.size()]);
}
}