Channel.java
5.46 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
//
// Source code recreated from a .class file by IntelliJ IDEA
// (powered by FernFlower decompiler)
//
package com.genersoft.iot.vmp.jt1078.publisher;
import com.genersoft.iot.vmp.jt1078.codec.AudioCodec;
import com.genersoft.iot.vmp.jt1078.entity.MediaEncoding;
import com.genersoft.iot.vmp.jt1078.entity.Media.Type;
import com.genersoft.iot.vmp.jt1078.flv.FlvEncoder;
import com.genersoft.iot.vmp.jt1078.server.Jtt1078Handler;
import com.genersoft.iot.vmp.jt1078.subscriber.RTMPPublisher;
import com.genersoft.iot.vmp.jt1078.subscriber.Subscriber;
import com.genersoft.iot.vmp.jt1078.subscriber.VideoSubscriber;
import com.genersoft.iot.vmp.jt1078.util.ByteHolder;
import com.genersoft.iot.vmp.jt1078.util.Configs;
import io.netty.channel.ChannelHandlerContext;
import java.io.IOException;
import java.net.URISyntaxException;
import java.util.Iterator;
import java.util.concurrent.ConcurrentLinkedQueue;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class Channel {
static Logger logger = LoggerFactory.getLogger(Channel.class);
ConcurrentLinkedQueue<Subscriber> subscribers;
RTMPPublisher rtmpPublisher;
String tag;
boolean publishing;
ByteHolder buffer;
AudioCodec audioCodec;
FlvEncoder flvEncoder;
private long firstTimestamp = -1L;
private Integer httpPort;
private boolean flag = true;
public Channel(String tag, Integer httpPort) {
this.tag = tag;
this.subscribers = new ConcurrentLinkedQueue();
this.flvEncoder = new FlvEncoder(true, true);
this.buffer = new ByteHolder(204800);
this.httpPort = httpPort;
if (!StringUtils.isEmpty(Configs.get("rtmp.url"))) {
this.rtmpPublisher = new RTMPPublisher(tag, httpPort);
this.rtmpPublisher.start();
}
}
public boolean isPublishing() {
return this.publishing;
}
public Subscriber subscribe(ChannelHandlerContext ctx) {
logger.info("channel: {} -> {}, subscriber: {}", new Object[]{Long.toHexString((long)this.hashCode() & 4294967295L), this.tag, ctx.channel().remoteAddress().toString()});
Subscriber subscriber = new VideoSubscriber(this.tag, ctx);
this.subscribers.add(subscriber);
return subscriber;
}
public void writeAudio(long timestamp, int pt, byte[] data) {
if (this.audioCodec == null) {
this.audioCodec = AudioCodec.getCodec(pt);
logger.info("audio codec: {}", MediaEncoding.getEncoding(Type.Audio, pt));
}
this.broadcastAudio(timestamp, this.audioCodec.toPCM(data));
}
public void writeVideo(long sequence, long timeoffset, int payloadType, byte[] h264) {
if (this.firstTimestamp == -1L) {
this.firstTimestamp = timeoffset;
}
this.publishing = true;
this.buffer.write(h264);
while(true) {
byte[] nalu = this.readNalu();
if (nalu == null) {
return;
}
if (nalu.length >= 4) {
byte[] flvTag = this.flvEncoder.write(nalu, (int)(timeoffset - this.firstTimestamp));
if (flvTag != null) {
this.broadcastVideo(timeoffset, flvTag);
}
}
}
}
public void broadcastVideo(long timeoffset, byte[] flvTag) {
Iterator var4 = this.subscribers.iterator();
while(var4.hasNext()) {
Subscriber subscriber = (Subscriber)var4.next();
subscriber.onVideoData(timeoffset, flvTag, this.flvEncoder);
}
}
public void broadcastAudio(long timeoffset, byte[] flvTag) {
Iterator var4 = this.subscribers.iterator();
while(var4.hasNext()) {
Subscriber subscriber = (Subscriber)var4.next();
subscriber.onAudioData(timeoffset, flvTag, this.flvEncoder);
}
}
public void unsubscribe(long watcherId) {
Iterator<Subscriber> itr = this.subscribers.iterator();
Subscriber subscriber;
do {
if (!itr.hasNext()) {
return;
}
subscriber = (Subscriber)itr.next();
} while(subscriber.getId() != watcherId);
itr.remove();
subscriber.close();
}
public long getWatcherId(String tag) {
Iterator<Subscriber> itr = this.subscribers.iterator();
Subscriber subscriber;
do {
if (!itr.hasNext()) {
return -1100L;
}
subscriber = (Subscriber)itr.next();
} while(!StringUtils.equals(tag, subscriber.getTag()));
return subscriber.getId();
}
public void close() {
Iterator<Subscriber> itr = this.subscribers.iterator();
while(itr.hasNext()) {
Subscriber subscriber = (Subscriber)itr.next();
subscriber.close();
itr.remove();
}
if (this.rtmpPublisher != null) {
this.rtmpPublisher.close();
}
}
private byte[] readNalu() {
for(int i = 0; i < this.buffer.size(); ++i) {
int a = this.buffer.get(i + 0) & 255;
int b = this.buffer.get(i + 1) & 255;
int c = this.buffer.get(i + 2) & 255;
int d = this.buffer.get(i + 3) & 255;
if (a == 0 && b == 0 && c == 0 && d == 1 && i != 0) {
byte[] nalu = new byte[i];
this.buffer.sliceInto(nalu, i);
return nalu;
}
}
return null;
}
}