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Ant Media Server supports RTMP, RTSP, MP4, HLS, WebRTC, Adaptive Streaming, etc.
/*
* RED5 Open Source Media Server - https://github.com/Red5/
*
* Copyright 2006-2016 by respective authors (see below). All rights reserved.
*
* 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.red5.server.stream;
import java.util.Random;
import org.red5.server.api.stream.IPlaylist;
import org.red5.server.api.stream.IPlaylistController;
/**
* Simple playlist controller implementation
*/
public class SimplePlaylistController implements IPlaylistController {
/** {@inheritDoc} */
public int nextItem(IPlaylist playlist, int itemIndex) {
if (itemIndex < 0) {
itemIndex = -1;
}
if (playlist.isRepeat()) {
return itemIndex;
}
if (playlist.isRandom()) {
int lastIndex = itemIndex;
if (playlist.getItemSize() > 1) {
// continuously generate a random number
// until you get one that was not the last...
Random rand = new Random();
while (itemIndex == lastIndex) {
itemIndex = rand.nextInt(playlist.getItemSize());
}
}
return itemIndex;
}
int nextIndex = itemIndex + 1;
if (nextIndex < playlist.getItemSize()) {
return nextIndex;
} else if (playlist.isRewind()) {
return playlist.getItemSize() > 0 ? 0 : -1;
} else {
return -1;
}
}
/** {@inheritDoc} */
public int previousItem(IPlaylist playlist, int itemIndex) {
if (itemIndex > playlist.getItemSize()) {
return playlist.getItemSize() - 1;
}
if (playlist.isRepeat()) {
return itemIndex;
}
if (playlist.isRandom()) {
Random rand = new Random();
int lastIndex = itemIndex;
// continuously generate a random number
// until you get one that was not the last...
while (itemIndex == lastIndex) {
itemIndex = rand.nextInt(playlist.getItemSize());
}
lastIndex = itemIndex;
return itemIndex;
}
int prevIndex = itemIndex - 1;
if (prevIndex >= 0) {
return prevIndex;
} else if (playlist.isRewind()) {
return playlist.getItemSize() - 1;
} else {
return -1;
}
}
}