// ------------------------
// Handler for timer
// ------------------------
public void actionPerformed(ActionEvent e) {
// if the current image nb is less than the length of the video
if (imagenb < VIDEO_LENGTH) {
// update current imagenb
imagenb++;
try {
// get next frame to send from the video, as well as its size
int image_length = video.getnextframe(buf);
// Builds an RTPpacket object containing the frame
RTPpacket rtp_packet =
new RTPpacket(MJPEG_TYPE, imagenb, imagenb * FRAME_PERIOD, buf, image_length);
// get to total length of the full rtp packet to send
int packet_length = rtp_packet.getlength();
// retrieve the packet bitstream and store it in an array of bytes
byte[] packet_bits = new byte[packet_length];
rtp_packet.getpacket(packet_bits);
// send the packet as a DatagramPacket over the UDP socket
senddp = new DatagramPacket(packet_bits, packet_length, ClientIPAddr, RTP_dest_port);
RTPsocket.send(senddp);
// System.out.println("Send frame #"+imagenb);
// print the header bitstream
rtp_packet.printheader();
// update GUI
label.setText("Send frame #" + imagenb);
} catch (Exception ex) {
System.out.println("Exception caught: " + ex);
System.exit(0);
}
} else {
// if we have reached the end of the video file, stop the timer
timer.stop();
}
}
@Override
public void actionPerformed(ActionEvent e) {
// if the current image nb is less than the length of the video
if (frameNumber < VIDEO_LENGTH) {
// update current imagenb
frameNumber++;
try {
// get next frame to send from the video, as well as its size
int imageLength = video.getnextframe(buffer);
// Builds an RTPpacket object containing the frame
RTPpacket rtpPacket =
new RTPpacket(MJPEG_TYPE, frameNumber, frameNumber * FRAME_PERIOD, buffer, imageLength);
// get to total length of the full rtp packet to send
int packetLength = rtpPacket.getLength();
// retrieve the packet bitstream and store it in an array of bytes
byte[] packetBits = new byte[packetLength];
rtpPacket.getPacket(packetBits);
// System.out.println("Send frame #" + imagenb);
rtpTransport.send(packetBits, packetLength);
// update GUI
this.setChanged();
this.notifyObservers(Update.FRAME);
} catch (IOException ex) {
RTSPServer.log("I/O exception sending RTSP packet: %s\n", ex.getMessage());
return;
}
} else {
// if we have reached the end of the video file, stop the timer
timer.stop();
}
}
protected Void doInBackground(Void... params) {
// send the setup message to the serversend_RTSP_request in order to receive the live stream
Socket socket = null;
Log.e("here", "here");
// get video filename to request:
try {
socket = new Socket(ServerHost, RTSP_server_port);
Log.e("socket established", "socket established");
RTSPsocket = socket;
Log.e("here12", "here12");
RTSPBufferedReader = new BufferedReader(new InputStreamReader(RTSPsocket.getInputStream()));
Log.e("here13", "here13");
RTSPBufferedWriter =
new BufferedWriter(new OutputStreamWriter(RTSPsocket.getOutputStream()));
} catch (Exception ee) {
Log.e("Exception", "Exception");
if (handler == null) Log.e("handler", "null");
else Log.e("handler", "not null");
showToast("server is not reachable");
Log.e("destroy", "destroy the activity");
onPause();
onDestroy();
if (socket != null) {
try {
socket.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return null;
}
assert RTSPBufferedReader != null;
assert RTSPBufferedWriter != null;
Log.e("here1", "here1");
// Init non-blocking RTPsocket that will be used to receive data
try {
// construct a new DatagramSocket to receive RTP packets from the server, on port
// RTP_RCV_PORT
RTPsocket = new DatagramSocket(RTP_RCV_PORT);
RTPsocket.setSoTimeout(10000);
} catch (SocketException se) {
System.out.println("Socket exception: " + se);
Log.e("DatagramSocket", "Exception");
}
Log.e("here2", "here2");
RTSPSeqNb = 1;
send_RTSP_request("SETUP", VideoFileName, RTSPSeqNb);
if (parse_server_response() == 200) {
RTSPSeqNb++;
send_RTSP_request("PLAY", VideoFileName, RTSPSeqNb);
if (parse_server_response() == 200) {
byte[] buf = new byte[100000];
Log.e("here3", "here3");
long prevTime = System.currentTimeMillis();
while (!stop) {
// Construct a DatagramPacket to receive data from the UDP socket
rcvdp = new DatagramPacket(buf, buf.length);
Log.e("here4", "here4");
try {
// receive the DP from the socket:
RTPsocket.receive(rcvdp);
Log.e("here5", "here5");
long currentTime = System.currentTimeMillis();
if (((currentTime - prevTime)) > 3000L) {
Log.e("play", "play");
prevTime = currentTime;
RTSPSeqNb++;
send_RTSP_request("PLAY", VideoFileName, RTSPSeqNb);
/*
int m = RTSPSeqNb;
StringBuffer sb = new StringBuffer();
while(m != 0) {
sb.insert(0, m % 10);
m = m / 10;
}
String seq = new String(sb);
*/
Log.e("play send", "play send");
Log.e("play send", "" + RTSPSeqNb);
}
// create an RTPpacket object from the DP
RTPpacket rtp_packet = new RTPpacket(rcvdp.getData(), rcvdp.getLength());
Log.e("here6", "here6");
// get the payload bitstream from the RTPpacket object
int payload_length = rtp_packet.getpayload_length();
Log.e("here7", "here7");
byte[] payload = new byte[payload_length];
rtp_packet.getpayload(payload);
Log.e("here8", "here8");
imageToDraw = BitmapFactory.decodeByteArray(payload, 0, payload.length);
/*
for(int i = 0; i < payload.length; i++) {
Log.e(Integer.toString(i), Byte.toString(payload[i]));
}*/
Log.e("payload length", Integer.toString(payload.length));
Log.e("first", Byte.toString(payload[0]));
} catch (SocketTimeoutException e) {
Log.e("timeout", "timeout");
if (handler == null) Log.e("handler", "null");
else Log.e("handler", "not null");
showToast("network broken");
Log.e("destroy", "destroy the activity");
onPause();
onDestroy();
} catch (IOException ioe) {
ioe.printStackTrace();
Log.e("IOException", "IOException");
}
}
}
}
Log.e("return", "return");
return null;
}
