mirror of
https://projects.vdr-developer.org/git/vdr-plugin-streamdev.git
synced 2023-10-10 19:16:51 +02:00
126 lines
2.7 KiB
C
126 lines
2.7 KiB
C
/*
|
|
* $Id: assembler.c,v 1.2 2005/01/25 14:14:43 lordjaxom Exp $
|
|
*/
|
|
|
|
#include "client/assembler.h"
|
|
#include "common.h"
|
|
|
|
#include "tools/socket.h"
|
|
#include "tools/select.h"
|
|
|
|
#include <vdr/tools.h>
|
|
#include <vdr/device.h>
|
|
#include <vdr/ringbuffer.h>
|
|
|
|
#include <unistd.h>
|
|
|
|
cStreamdevAssembler::cStreamdevAssembler(cTBSocket *Socket)
|
|
#if VDRVERSNUM >= 10300
|
|
:cThread("Streamdev: UDP-TS Assembler")
|
|
#endif
|
|
{
|
|
m_Socket = Socket;
|
|
if (pipe(m_Pipe) != 0) {
|
|
esyslog("streamdev-client: Couldn't open assembler pipe: %m");
|
|
return;
|
|
}
|
|
fcntl(m_Pipe[0], F_SETFL, O_NONBLOCK);
|
|
fcntl(m_Pipe[1], F_SETFL, O_NONBLOCK);
|
|
m_Mutex.Lock();
|
|
Start();
|
|
}
|
|
|
|
cStreamdevAssembler::~cStreamdevAssembler() {
|
|
if (m_Active) {
|
|
m_Active = false;
|
|
/* WakeUp();*/
|
|
Cancel(3);
|
|
}
|
|
close(m_Pipe[0]);
|
|
close(m_Pipe[1]);
|
|
}
|
|
|
|
void cStreamdevAssembler::Action(void) {
|
|
cTBSelect sel;
|
|
uchar buffer[2048];
|
|
bool fillup = true;
|
|
|
|
const int rbsize = TS_SIZE * 5600;
|
|
const int rbmargin = TS_SIZE * 2;
|
|
const int rbminfill = rbmargin * 50;
|
|
cRingBufferLinear ringbuf(rbsize, rbmargin, true);
|
|
|
|
#if VDRVERSNUM < 10300
|
|
isyslog("streamdev-client: UDP-TS Assembler thread started (pid=%d)",
|
|
getpid());
|
|
#endif
|
|
|
|
m_Mutex.Lock();
|
|
|
|
m_Active = true;
|
|
while (m_Active) {
|
|
sel.Clear();
|
|
|
|
if (ringbuf.Available() < rbsize * 80 / 100)
|
|
sel.Add(*m_Socket, false);
|
|
if (ringbuf.Available() > rbminfill) {
|
|
if (fillup) {
|
|
Dprintf("giving signal\n");
|
|
m_WaitFill.Broadcast();
|
|
m_Mutex.Unlock();
|
|
fillup = false;
|
|
}
|
|
sel.Add(m_Pipe[1], true);
|
|
}
|
|
|
|
if (sel.Select(1500) < 0) {
|
|
if (!m_Active) // Exit was requested
|
|
break;
|
|
esyslog("streamdev-client: Fatal error: %m");
|
|
Dprintf("streamdev-client: select failed (%m)\n");
|
|
m_Active = false;
|
|
break;
|
|
}
|
|
|
|
if (sel.CanRead(*m_Socket)) {
|
|
int b;
|
|
if ((b = m_Socket->Read(buffer, sizeof(buffer))) < 0) {
|
|
esyslog("streamdev-client: Couldn't read from server: %m");
|
|
Dprintf("streamdev-client: read failed (%m)\n");
|
|
m_Active = false;
|
|
break;
|
|
}
|
|
if (b == 0)
|
|
m_Active = false;
|
|
else
|
|
ringbuf.Put(buffer, b);
|
|
}
|
|
|
|
if (sel.CanWrite(m_Pipe[1])) {
|
|
int recvd;
|
|
const uchar *block = ringbuf.Get(recvd);
|
|
if (block && recvd > 0) {
|
|
int result;
|
|
if (recvd > ringbuf.Available() - rbminfill)
|
|
recvd = ringbuf.Available() - rbminfill;
|
|
if ((result = write(m_Pipe[1], block, recvd)) == -1) {
|
|
esyslog("streamdev-client: Couldn't write to VDR: %m"); // TODO
|
|
Dprintf("streamdev-client: write failed (%m)\n");
|
|
m_Active = false;
|
|
break;
|
|
}
|
|
ringbuf.Del(result);
|
|
}
|
|
}
|
|
}
|
|
|
|
#if VDRVERSNUM < 10300
|
|
isyslog("streamdev-client: UDP-TS Assembler thread stopped", getpid());
|
|
#endif
|
|
}
|
|
|
|
void cStreamdevAssembler::WaitForFill(void) {
|
|
m_WaitFill.Wait(m_Mutex);
|
|
m_Mutex.Unlock();
|
|
}
|