static private int packet_tcp_frameMP3(byte[] _send_buff, MP3_frame _mp3_reader, int _frameSend)
{
headerPacket HeaderPacket = new headerPacket();
//reset packet header
HeaderPacket.NumOffFrame = 0;
HeaderPacket.TotalLength = HeaderPacket.Length;
while (HeaderPacket.NumOffFrame < 41)
{
if (_mp3_reader.ReadNextFrame() == false)
{
break;
}
Buffer.BlockCopy(_mp3_reader.Mp3_buff, _mp3_reader.Start_frame, _send_buff, HeaderPacket.TotalLength, _mp3_reader.Frame_size);
HeaderPacket.TotalLength += (UInt16)(_mp3_reader.Frame_size);
HeaderPacket.NumOffFrame++;
}
if (HeaderPacket.NumOffFrame < 41)
{
Console.WriteLine("hh");
}
//copy header to _send_buff
HeaderPacket.copyHeaderToBuffer(_send_buff);
//sizeOfPacket = HeaderPacket.TotalLength;
//increase IDframe
//HeaderPacket.IDframe++;
return(HeaderPacket.NumOffFrame);
}
public static int sendPacketMP3(Socket _socketSend, byte[] mp3_buff, int mp3_buff_length)
{
double timePoint, mark_time = 0;
MP3_frame mp3_reader = new MP3_frame(mp3_buff, mp3_buff_length);
if (!mp3_reader.IsValidMp3())
{
return(-1);
}
//const double framemp3_time = (double)1152.0 * 1000.0 / 44100.0; //ms
double framemp3_time = mp3_reader.TimePerFrame_ms;
//count total Frame of mp3
//duration_song_s = mp3_reader.countFrame() * (int)mp3_reader.TimePerFrame_ms / 1000;
const int FrameSend = 41;
int numOfFrame, sizeOfPacket = FrameSend * 144 + 12;
//int size = 7000;
byte[] sendBuffer = new byte[sizeOfPacket];
//SocketFlags socketFlag = new SocketFlags();
//launch timer
Stopwatch stopWatchSend = new Stopwatch();
stopWatchSend.Start();
while (true)
{
numOfFrame = packet_tcp_frameMP3(sendBuffer, mp3_reader, FrameSend);
if (numOfFrame < FrameSend)
{
sizeOfPacket = numOfFrame * 144 + 12;
byte[] sendBufferTMP = new byte[sizeOfPacket];
Buffer.BlockCopy(sendBuffer, 0, sendBufferTMP, 0, sizeOfPacket);
_socketSend.Send(sendBufferTMP);
Thread.Sleep(1000);
break;
}
_socketSend.Send(sendBuffer);
mark_time += framemp3_time * numOfFrame; //point to next time frame
//get current time playing
//timePlaying_song_s = (int)mark_time / 1000; //second
timePoint = mark_time - stopWatchSend.Elapsed.TotalMilliseconds;
if ((int)timePoint > 0)
{
Thread.Sleep((int)timePoint);
}
}
//done a song
stopWatchSend.Stop();
return(0);
}
