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/*
* $Id: streamer.c,v 1.3 2005/02/08 17:22:35 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 "common.h"
#define VIDEOBUFSIZE MEGABYTE(4)
#define MAXBLOCKSIZE TS_SIZE*10
cStreamdevStreamer::cStreamdevStreamer(const char *Name):
cThread(((std::string)"Streamdev: " + Name).c_str())
{
m_Active = false;
m_Receivers = 0;
m_Buffer = NULL;
m_Name = Name;
m_Socket = NULL;
m_RingBuffer = new cRingBufferLinear(VIDEOBUFSIZE, TS_SIZE * 2, true);
}
cStreamdevStreamer::~cStreamdevStreamer() {
Stop();
if (m_Buffer != NULL) delete[] m_Buffer;
delete m_RingBuffer;
}
void cStreamdevStreamer::Start(cTBSocket *Socket) {
m_Socket = Socket;
Attach();
if (!m_Active)
cThread::Start();
}
void cStreamdevStreamer::Stop(void) {
if (m_Active) {
Dprintf("stopping live streamer\n");
m_Active = false;
Cancel(3);
}
}
uchar *cStreamdevStreamer::Process(const uchar *Data, int &Count, int &Result) {
if (m_Buffer == NULL)
m_Buffer = new uchar[MAXBLOCKSIZE];
if (Count > MAXBLOCKSIZE)
Count = MAXBLOCKSIZE;
memcpy(m_Buffer, Data, Count);
Result = Count;
return m_Buffer;
}
void cStreamdevStreamer::Action(void) {
int max = 0;
#if VDRVERSNUM < 10300
isyslog("Streamdev: %s thread started (pid=%d)", m_Name, getpid());
#endif
m_Active = true;
while (m_Active) {
int recvd;
const uchar *block = m_RingBuffer->Get(recvd);
if (block && recvd > 0) {
int result = 0;
uchar *sendBlock = Process(block, recvd, result);
m_RingBuffer->Del(recvd);
if (result > max) max = result;
if (!m_Socket->TimedWrite(sendBlock, result, 150)) {
if (errno != ETIMEDOUT) {
esyslog("ERROR: Streamdev: Couldn't write data: %s", strerror(errno));
m_Active = false;
}
}
} else
usleep(1); // this keeps the CPU load low (XXX: waiting buffers)
}
Dprintf("Max. Transmit Blocksize was: %d\n", max);
#if VDRVERSNUM < 10300
isyslog("Streamdev: %s thread stopped", m_Name);
#endif
}
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