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openvidu-server: audio-only and video-only recordings
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156
openvidu-server/src/main/java/io/openvidu/server/recording/CompositeWrapper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,156 @@ | ||
| /* | ||
| * (C) Copyright 2017-2019 OpenVidu (https://openvidu.io/) | ||
| * | ||
| * 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 io.openvidu.server.recording; | ||
|
|
||
| import java.util.Map; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
| import java.util.concurrent.CountDownLatch; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.concurrent.atomic.AtomicBoolean; | ||
|
|
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| import org.kurento.client.Composite; | ||
| import org.kurento.client.ErrorEvent; | ||
| import org.kurento.client.EventListener; | ||
| import org.kurento.client.HubPort; | ||
| import org.kurento.client.MediaProfileSpecType; | ||
| import org.kurento.client.RecorderEndpoint; | ||
| import org.kurento.client.RecordingEvent; | ||
| import org.kurento.client.StoppedEvent; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| import io.openvidu.client.OpenViduException; | ||
| import io.openvidu.client.OpenViduException.Code; | ||
| import io.openvidu.server.kurento.core.KurentoSession; | ||
| import io.openvidu.server.kurento.endpoint.PublisherEndpoint; | ||
|
|
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| public class CompositeWrapper { | ||
|
|
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| private static final Logger log = LoggerFactory.getLogger(CompositeWrapper.class); | ||
|
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| KurentoSession session; | ||
| Composite composite; | ||
| RecorderEndpoint recorderEndpoint; | ||
| HubPort compositeToRecorderHubPort; | ||
| Map<String, HubPort> hubPorts = new ConcurrentHashMap<>(); | ||
| Map<String, PublisherEndpoint> publisherEndpoints = new ConcurrentHashMap<>(); | ||
|
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| AtomicBoolean isRecording = new AtomicBoolean(false); | ||
| long startTime; | ||
| long endTime; | ||
| long size; | ||
|
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| public CompositeWrapper(KurentoSession session, String path) { | ||
| this.session = session; | ||
| this.composite = new Composite.Builder(session.getPipeline()).build(); | ||
| this.recorderEndpoint = new RecorderEndpoint.Builder(composite.getMediaPipeline(), path) | ||
| .withMediaProfile(MediaProfileSpecType.WEBM_AUDIO_ONLY).build(); | ||
| this.compositeToRecorderHubPort = new HubPort.Builder(composite).build(); | ||
| this.compositeToRecorderHubPort.connect(recorderEndpoint); | ||
| } | ||
|
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| public synchronized void startCompositeRecording(CountDownLatch startLatch) { | ||
|
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| this.recorderEndpoint.addRecordingListener(new EventListener<RecordingEvent>() { | ||
| @Override | ||
| public void onEvent(RecordingEvent event) { | ||
| startTime = System.currentTimeMillis(); | ||
| log.info("Recording started event for audio-only RecorderEndpoint of Composite in session {}", | ||
| session.getSessionId()); | ||
| startLatch.countDown(); | ||
| } | ||
| }); | ||
|
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| this.recorderEndpoint.addErrorListener(new EventListener<ErrorEvent>() { | ||
| @Override | ||
| public void onEvent(ErrorEvent event) { | ||
| log.error(event.getErrorCode() + " " + event.getDescription()); | ||
| } | ||
| }); | ||
|
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| this.recorderEndpoint.record(); | ||
| } | ||
|
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| public synchronized void stopCompositeRecording(CountDownLatch stopLatch) { | ||
| this.recorderEndpoint.addStoppedListener(new EventListener<StoppedEvent>() { | ||
| @Override | ||
| public void onEvent(StoppedEvent event) { | ||
| endTime = System.currentTimeMillis(); | ||
| log.info("Recording stopped event for audio-only RecorderEndpoint of Composite in session {}", | ||
| session.getSessionId()); | ||
| recorderEndpoint.release(); | ||
| stopLatch.countDown(); | ||
| } | ||
| }); | ||
| this.recorderEndpoint.stop(); | ||
| } | ||
|
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| public void connectPublisherEndpoint(PublisherEndpoint endpoint) throws OpenViduException { | ||
| HubPort hubPort = new HubPort.Builder(composite).build(); | ||
| endpoint.connect(hubPort); | ||
| String streamId = endpoint.getOwner().getPublisherStreamId(); | ||
| this.hubPorts.put(streamId, hubPort); | ||
| this.publisherEndpoints.put(streamId, endpoint); | ||
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| if (isRecording.compareAndSet(false, true)) { | ||
| // First user publishing. Starting RecorderEndpoint | ||
| final CountDownLatch startLatch = new CountDownLatch(1); | ||
| this.startCompositeRecording(startLatch); | ||
| try { | ||
| if (!startLatch.await(5, TimeUnit.SECONDS)) { | ||
| log.error("Error waiting for RecorderEndpoint of Composite to start in session {}", | ||
| session.getSessionId()); | ||
| throw new OpenViduException(Code.RECORDING_START_ERROR_CODE, | ||
| "Couldn't initialize RecorderEndpoint of Composite"); | ||
| } | ||
| log.info("RecorderEnpoint of Composite is now recording for session {}", session.getSessionId()); | ||
| } catch (InterruptedException e) { | ||
| log.error("Exception while waiting for state change", e); | ||
| } | ||
| } | ||
|
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| log.info("Composite for session {} has now {} connected publishers", this.session.getSessionId(), | ||
| this.composite.getChildren().size() - 1); | ||
| } | ||
|
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| public void disconnectPublisherEndpoint(String streamId) { | ||
| HubPort hubPort = this.hubPorts.remove(streamId); | ||
| PublisherEndpoint publisherEndpoint = this.publisherEndpoints.remove(streamId); | ||
| publisherEndpoint.disconnectFrom(hubPort); | ||
| hubPort.release(); | ||
| log.info("Composite for session {} has now {} connected publishers", this.session.getSessionId(), | ||
| this.composite.getChildren().size() - 1); | ||
| } | ||
|
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| public void disconnectAllPublisherEndpoints() { | ||
| this.publisherEndpoints.keySet().forEach(streamId -> { | ||
| PublisherEndpoint endpoint = this.publisherEndpoints.get(streamId); | ||
| HubPort hubPort = this.hubPorts.get(streamId); | ||
| endpoint.disconnectFrom(hubPort); | ||
| hubPort.release(); | ||
| }); | ||
| this.hubPorts.clear(); | ||
| this.publisherEndpoints.clear(); | ||
| this.composite.release(); | ||
| } | ||
|
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| public long getDuration() { | ||
| return this.endTime - this.startTime; | ||
| } | ||
|
|
||
| } |
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