vdr-plugin-streamdev/server/streamer.c

141 lines
2.7 KiB
C

/*
* $Id: streamer.c,v 1.10 2005/04/27 17:55:43 lordjaxom Exp $
*/
#include <vdr/ringbuffer.h>
#include <vdr/device.h>
#include <sys/types.h>
#include <unistd.h>
#include "server/streamer.h"
#include "server/suspend.h"
#include "server/setup.h"
#include "tools/socket.h"
#include "tools/select.h"
#include "common.h"
// --- cStreamdevWriter -------------------------------------------------------
cStreamdevWriter::cStreamdevWriter(cTBSocket *Socket, cStreamdevStreamer *Streamer):
cThread("streamdev-writer"),
m_Streamer(Streamer),
m_Socket(Socket),
m_Active(false)
{
}
cStreamdevWriter::~cStreamdevWriter()
{
Dprintf("destructing writer\n");
m_Active = false;
Cancel(3);
}
void cStreamdevWriter::Action(void)
{
cTBSelect sel;
Dprintf("Writer start\n");
int max = 0;
m_Active = true;
while (m_Active) {
int count;
uchar *block = m_Streamer->Get(count);
if (block) {
sel.Clear();
sel.Add(*m_Socket, true);
if (sel.Select(500) == -1) {
esyslog("ERROR: streamdev-server: couldn't send data: %m");
break;
}
if (sel.CanWrite(*m_Socket)) {
int written;
if ((written = m_Socket->Write(block, count)) == -1) {
esyslog("ERROR: streamdev-server: couldn't send data: %m");
break;
}
if (count > max)
max = count;
m_Streamer->Del(written);
}
}
}
m_Active = false;
Dprintf("Max. Transmit Blocksize was: %d\n", max);
m_Streamer->Stop();
}
// --- cStreamdevStreamer -----------------------------------------------------
cStreamdevStreamer::cStreamdevStreamer(const char *Name):
cThread(Name),
m_Active(false),
m_Running(false),
m_Writer(NULL),
m_RingBuffer(new cRingBufferLinear(STREAMERBUFSIZE, TS_SIZE * 2,
true, "streamdev-streamer")),
m_SendBuffer(new cRingBufferLinear(WRITERBUFSIZE, TS_SIZE * 2))
{
m_RingBuffer->SetTimeouts(0, 100);
m_SendBuffer->SetTimeouts(0, 100);
}
cStreamdevStreamer::~cStreamdevStreamer()
{
Dprintf("Desctructing streamer\n");
delete m_RingBuffer;
delete m_SendBuffer;
}
void cStreamdevStreamer::Start(cTBSocket *Socket)
{
Dprintf("start streamer\n");
m_Writer = new cStreamdevWriter(Socket, this);
m_Running = true;
Attach();
}
void cStreamdevStreamer::Activate(bool On)
{
if (On && !m_Active) {
Dprintf("activate streamer\n");
m_Writer->Start();
cThread::Start();
}
}
void cStreamdevStreamer::Stop(void)
{
Lock();
if (m_Active) {
Dprintf("stopping streamer\n");
m_Active = false;
Cancel(3);
}
if (m_Running) {
Detach();
m_Running = false;
DELETENULL(m_Writer);
}
Unlock();
}
void cStreamdevStreamer::Action(void)
{
int max = 0;
m_Active = true;
while (m_Active) {
int got;
uchar *block = m_RingBuffer->Get(got);
if (block) {
int count = Put(block, got);
if (count)
m_RingBuffer->Del(count);
}
}
}