void thread_audio_send()
{
int i;
//int read_num;
//T_U32 destip;
// T_U8 temp[20];
int data_len;
//T_U16 *p_liner;
//T_U8 *pbuf;
//AudioDataHead *head;
//int send_size=0;
//int a=0,b=0;
byte[] ip = new byte[4];
byte[] addr = new byte[6];
Console.WriteLine("thread_audio_send...");
//head = (AudioDataHead *)audio_manage.pack_buff;
AudioPack head;
FileStream playFile = null;
while (true)
{
lock (audio_manage.send_sem)
{
Monitor.Wait(audio_manage.send_sem);
}
Console.WriteLine("thread_audio_send...");
try
{
if (playPath != null && playPath != "")
{
playFile = new FileStream(playPath, FileMode.Open);
}
else
{
playFile = null;
}
}
catch
{
playFile = null;
}
if (playFile == null)
{
continue;
}
Console.WriteLine("thread_audio_send file ok...");
while (true)
{
lock (audio_manage.send_lock)
{
if (audio_manage.send_flag == false)
{
//AK_Release_Semaphore(audio_manage.send_lock);
break;
}
//if(audio_manage.send_len >= 128)
{
//打包
//data_len = (audio_manage.send_len - (audio_manage.send_len % 128))/2;
data_len = (int)(playFile.Length - playFile.Position);
if (data_len > 256)
{
data_len = 256;
}
head = new AudioPack();
//memcpy(head->PublicHead,audio_manage.public_head, 10); //公共包头
//memcpy(head->SourceAddr,audio_manage.source_addr, 6);//源地址
head.SourceAddr = LocalCfg.Addr;
head.Type = 0;
head.Fomat = 0;
head.Frameno = (UInt16)audio_manage.send_frame_no;
head.Framelen = (UInt32)data_len; //帧数据长度
head.TotalPackage = 1; //总包数
head.CurrPackage = 1; //当前包
head.Datalen = (UInt16)data_len; //数据长度
head.PackLen = (UInt16)data_len;
head.audioData = new byte[data_len];
playFile.Read(head.audioData, 0, data_len);
if (data_len == 0)
{
playFile.Position = 0;
}
//转成alaw
/*
* p_liner = (T_U16 *)(audio_manage.send_buff+audio_manage.send_rpos);
* for(i=0; i<data_len; i++)
* {
* audio_manage.pack_buff[sizeof(AudioDataHead)+i] = linear2alaw(p_liner[i]);
* }*/
audio_manage.send_rpos += data_len * 2;
audio_manage.send_len -= data_len * 2;
audio_manage.send_frame_no++;
audio_manage.send_frame_total++;
/*send_size += data_len; //统计发送速率
* if(send_size >= 40000)
* {
* a = get_tick_count();
* audio_manage.send_bps = (send_size*1000)/(a-b);
* send_size = 0;
* b = a;
* }*/
//printf("audio frame%d: len = %ld\r\n",audio_manage.send_frame_no,head->Datalen = data_len);
//AK_Release_Semaphore(audio_manage.send_lock);
//发送
for (i = 0; i < Remoter.REMOTEMAX; i++)
{
if (Remoter.Remoter_get_audio_flag(i) == 1)
{
Remoter.Remoter_get_ip(i, ip);
Remoter.Remoter_get_addr(i, addr);
head.DestAddr = addr; //目的地址
audio_manage.udp_trans.Send(head.GetByte(), head.GetLength(), new IPEndPoint(new IPAddress(ip), audio_manage.udp_port));
// Console.WriteLine("thread_audio_send...");
}
}
Thread.Sleep(30);
}
/*
* else
* {
* //AK_Release_Semaphore(audio_manage.send_lock);
* Thread.Sleep(5);
* } */
}
}
if (playFile != null)
{
playFile.Close();
}
}
}
void thread_audio_recv()
{
int free_space;
int recv_size = 0;
byte[] recv_buff;
AudioPack head;
//Console.WriteLine("thread_audio_recv...\r\n");
IPEndPoint recvEP = new IPEndPoint(IPAddress.Broadcast, audio_manage.udp_port);
while (true)
{
lock (audio_manage.recv_sem)
{
Monitor.Wait(audio_manage.recv_sem);
}
//Console.WriteLine("thread_audio_recv run...\r\n");
while (true)
{
recv_buff = audio_manage.udp_trans.Receive(ref recvEP);
//Console.WriteLine("thread_audio_recv");
if (audio_manage.audio_recv_filter != null)
{
if (audio_manage.audio_recv_filter(recvEP.Address.GetAddressBytes()) == false)
{
continue;
}
}
head = new AudioPack(recv_buff);
lock (audio_manage.recv_lock)
{
if (audio_manage.recv_flag == false)
{
break;
}
free_space = AUDIO_PLAY_BUFF_SIZE - audio_manage.audio_chanel[0].w_pos;
recv_size += head.Datalen; //统计音频数据接收速率
/* if(recv_size>=40000)
* {
* a = get_tick_count();
* audio_manage.recv_bps = (recv_size*1000)/(a-b);
* recv_size = 0;
* b = a;
* }*/
//Console.WriteLine("data len" + head.Datalen);
if (head.Datalen > free_space)
{
Array.Copy(head.audioData, 0, audio_manage.audio_chanel[0].play_buff, audio_manage.audio_chanel[0].w_pos, free_space);
Array.Copy(head.audioData, free_space, audio_manage.audio_chanel[0].play_buff, 0, head.Datalen - free_space);
audio_manage.audio_chanel[0].w_pos = head.Datalen - free_space;
if (audio_manage.audio_chanel[0].w_pos >= audio_manage.audio_chanel[0].r_pos) //缓冲区溢出
{
Console.WriteLine("audio recv thread: buff overflow! " + audio_manage.audio_chanel[0].w_pos + audio_manage.audio_chanel[0].r_pos);
}
}
else
{
Array.Copy(head.audioData, 0, audio_manage.audio_chanel[0].play_buff, audio_manage.audio_chanel[0].w_pos, head.Datalen);
audio_manage.audio_chanel[0].w_pos += head.Datalen;
if (audio_manage.audio_chanel[0].w_pos >= AUDIO_PLAY_BUFF_SIZE)
{
audio_manage.audio_chanel[0].w_pos = 0;
}
}
if (audio_manage.audio_chanel[0].w_pos >= audio_manage.audio_chanel[0].r_pos) //计算缓冲区中数据的长度
{
audio_manage.audio_chanel[0].len = audio_manage.audio_chanel[0].w_pos - audio_manage.audio_chanel[0].r_pos;
}
else
{
audio_manage.audio_chanel[0].len = AUDIO_PLAY_BUFF_SIZE + audio_manage.audio_chanel[0].w_pos - audio_manage.audio_chanel[0].r_pos;
}
//printf("Audio net recv:w_pos=%ld,r_pos=%ld,len=%ld\r\n",audio_manage.audio_chanel[0].w_pos,audio_manage.audio_chanel[0].r_pos,audio_manage.audio_chanel[0].len);
}
}
}
}
