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RTMPStream.java
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RTMPStream.java
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package com.haishinkit.rtmp;
import android.graphics.ImageFormat;
import android.hardware.Camera;
import android.media.AudioRecord;
import com.haishinkit.events.Event;
import com.haishinkit.events.EventDispatcher;
import com.haishinkit.events.IEventListener;
import com.haishinkit.lang.IRawValue;
import com.haishinkit.media.AACEncoder;
import com.haishinkit.media.AudioInfo;
import com.haishinkit.media.H264Encoder;
import com.haishinkit.media.IEncoder;
import com.haishinkit.rtmp.messages.RTMPCommandMessage;
import com.haishinkit.rtmp.messages.RTMPDataMessage;
import com.haishinkit.rtmp.messages.RTMPMessage;
import com.haishinkit.util.EventUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.builder.ToStringBuilder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import com.haishinkit.util.Log;
public class RTMPStream extends EventDispatcher {
public enum HowToPublish implements IRawValue<String> {
RECORD("record"),
APPEND("append"),
APPEND_WITH_GAP("appendWithGap"),
LIVE("live");
private final String valueOf;
HowToPublish(final String valueOf) {
this.valueOf = valueOf;
}
public final String rawValue() {
return valueOf;
}
}
public enum Codes implements IRawValue<String> {
BUFFER_EMPTY("NetStream.Buffer.Empty", "status"),
BUFFER_FLUSH("NetStream.Buffer.Flush", "status"),
BUFFER_FULL("NetStream.Buffer.Full", "status");
private final String rawValue;
private final String level;
Codes(final String rawValue, final String level) {
this.rawValue = rawValue;
this.level = level;
}
public Map<String, Object> data(final String description) {
Map<String, Object> data = new HashMap<String, Object>();
data.put("code", rawValue);
data.put("level", level);
if (StringUtils.isNoneEmpty(description)) {
data.put("description", description);
}
return data;
}
public final String getLevel() {
return level;
}
public final String rawValue() {
return rawValue;
}
}
private final class EventListener implements IEventListener {
private final RTMPStream stream;
EventListener(final RTMPStream stream) {
this.stream = stream;
}
@Override
public void handleEvent(final Event event) {
Map<String, Object> data = EventUtils.toMap(event);
switch (data.get("code").toString()) {
case "NetConnection.Connect.Success":
connection.createStream(stream);
break;
case "NetStream.Publish.Start":
stream.setReadyState(ReadyState.PUBLISHING);
break;
default:
break;
}
}
public String toString() {
return ToStringBuilder.reflectionToString(this);
}
}
enum ReadyState implements IRawValue<Byte> {
INITIALIZED((byte) 0x00),
OPEN((byte) 0x01),
PLAY((byte) 0x02),
PLAYING((byte) 0x03),
PUBLISH((byte) 0x04),
PUBLISHING((byte) 0x05),
CLOSED((byte) 0x06);
private final byte rawValue;
ReadyState(final byte rawValue) {
this.rawValue = rawValue;
}
public Byte rawValue() {
return rawValue;
}
}
RTMPConnection connection = null;
private int id = 0;
private RTMPMuxer muxer = null;
private Camera camera = null;
private AudioInfo audio = null;
private short[] audioBuffer = null;
private Map<String, IEncoder> encoders = new ConcurrentHashMap<String, IEncoder>();
private ReadyState readyState = ReadyState.INITIALIZED;
private List<RTMPMessage> messages = new ArrayList<RTMPMessage>();
private final IEventListener listener = new EventListener(this);
public RTMPStream(final RTMPConnection connection) {
super(null);
this.connection = connection;
this.connection.addEventListener(Event.RTMP_STATUS, listener);
if (this.connection.isConnected()) {
this.connection.createStream(this);
}
addEventListener(Event.RTMP_STATUS, listener);
}
public void attachAudio(final AudioInfo audio) {
if (audio == null) {
return;
}
getEncoderByName("audio/mp4a-latm");
final AudioRecord record = audio.getAudioRecord();
final int frameBufferSize = audio.getMinBufferSize();
record.setPositionNotificationPeriod(frameBufferSize / 2);
record.setRecordPositionUpdateListener(new AudioRecord.OnRecordPositionUpdateListener() {
@Override
public void onMarkerReached(AudioRecord audioRecord) {
}
@Override
public void onPeriodicNotification(AudioRecord audioRecord) {
final byte[] buffer = audio.getBuffer();
record.read(buffer, 0, frameBufferSize);
getEncoderByName("audio/mp4a-latm").encodeBytes(buffer, audio.getPresentationTimestamp(frameBufferSize / 2));
}
});
record.startRecording();
record.read(audio.getBuffer(), 0, frameBufferSize);
}
public void attachCamera(final Camera camera) {
if (camera == null) {
return;
}
getEncoderByName("video/avc");
Camera.Parameters parameters = camera.getParameters();
parameters.setPreviewFormat(ImageFormat.NV21);
camera.setParameters(parameters);
camera.setPreviewCallback(new Camera.PreviewCallback() {
@Override
public void onPreviewFrame(byte[] bytes, Camera camera) {
getEncoderByName("video/avc").encodeBytes(bytes, System.nanoTime() / 1000000);
}
});
}
public final void publish(final String name) {
publish(name, HowToPublish.LIVE);
}
public void publish(final String name, final HowToPublish howToPublish) {
List<Object> arguments = null;
if (name != null) {
arguments = new ArrayList<Object>(2);
arguments.add(name);
arguments.add(howToPublish.rawValue());
}
RTMPMessage message = new RTMPCommandMessage(connection.getObjectEncoding())
.setTransactionID(0)
.setCommandName(name != null ? "publish" : "closeStream")
.setArguments(arguments)
.setChunkStreamID(RTMPChunk.AUDIO)
.setStreamID(getId());
if (name == null) {
switch (readyState) {
case PUBLISHING:
connection.getSocket().doOutput(RTMPChunk.ZERO, message);
break;
default:
break;
}
return;
}
switch (readyState) {
case INITIALIZED:
messages.add(message);
break;
case OPEN:
connection.getSocket().doOutput(RTMPChunk.ZERO, message);
setReadyState(ReadyState.PUBLISH);
break;
default:
break;
}
}
public void play(final Object... arguments) {
if (arguments == null) {
throw new IllegalArgumentException();
}
Object streamName = arguments[0];
RTMPMessage message = new RTMPCommandMessage(connection.getObjectEncoding())
.setTransactionID(0)
.setCommandName(streamName != null ? "play" : "closeStream")
.setArguments(Arrays.asList(arguments))
.setChunkStreamID(RTMPChunk.CONTROL)
.setStreamID(getId());
if (streamName == null) {
switch (readyState) {
case PLAYING:
connection.getSocket().doOutput(RTMPChunk.ZERO, message);
break;
default:
break;
}
return;
}
switch (readyState) {
case INITIALIZED:
messages.add(message);
break;
case OPEN:
case PLAYING:
connection.getSocket().doOutput(RTMPChunk.ZERO, message);
break;
default:
break;
}
}
public void send(final String handlerName, final Object... arguments) {
if (readyState == ReadyState.INITIALIZED || readyState == ReadyState.CLOSED) {
return;
}
connection.getSocket().doOutput(RTMPChunk.ZERO,
new RTMPDataMessage(connection.getObjectEncoding())
.setHandlerName(handlerName)
.setArguments(arguments == null ? null : Arrays.asList(arguments))
.setStreamID(getId())
.setChunkStreamID(RTMPChunk.COMMAND)
);
}
public String toString() {
return ToStringBuilder.reflectionToString(this);
}
int getId() {
return id;
}
RTMPStream setId(final int id) {
this.id = id;
return this;
}
ReadyState getReadyState() {
return readyState;
}
RTMPStream setReadyState(final ReadyState readyState) {
this.readyState = readyState;
switch (readyState) {
case OPEN:
for (RTMPMessage message : messages) {
message.setStreamID(getId());
connection.getSocket().doOutput(RTMPChunk.ZERO, message);
}
messages.clear();
break;
case PUBLISHING:
send("@setDataFrame", "onMetaData", toMetaData());
for (IEncoder encoder : encoders.values()) {
encoder.setListener(getMuxer());
encoder.startRunning();
}
default:
break;
}
return this;
}
protected RTMPMuxer getMuxer() {
if (muxer == null) {
muxer = new RTMPMuxer(this);
}
return muxer;
}
protected Map<String, Object> toMetaData() {
Map<String, Object> data = new HashMap<String, Object>();
return data;
}
protected IEncoder getEncoderByName(final String mime) {
if (!encoders.containsKey(mime)) {
switch (mime) {
case "video/avc":
encoders.put(mime, new H264Encoder());
break;
case "audio/mp4a-latm":
encoders.put(mime, new AACEncoder());
break;
default:
break;
}
}
return encoders.get(mime);
}
}