frodovdr/vdr-plugin-iptv
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Moved socket buffer from streamer into protocol.

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This commit is contained in:
Rolf Ahrenberg 2007-09-15 20:33:15 +00:00
parent 43eb0db822
commit bc817a0604
4 changed files with 36 additions and 39 deletions
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4
protocolif.h
View File

@ -3,7 +3,7 @@
*
* See the README file for copyright information and how to reach the author.
*
* $Id: protocolif.h,v 1.1 2007/09/14 15:44:25 rahrenbe Exp $
* $Id: protocolif.h,v 1.2 2007/09/15 20:33:15 rahrenbe Exp $
*/
#ifndef __IPTV_PROTOCOLIF_H
@ -13,7 +13,7 @@ class cIptvProtocolIf {
public:
cIptvProtocolIf() {}
virtual ~cIptvProtocolIf() {}
virtual int Read(unsigned char *Buffer, int Len) = 0;
virtual int Read(unsigned char *Buffer) = 0;
virtual bool Set(const char* Address, const int Port) = 0;
virtual bool Open(void) = 0;
virtual bool Close(void) = 0;

16
protocoludp.c
View File

@ -3,7 +3,7 @@
*
* See the README file for copyright information and how to reach the author.
*
* $Id: protocoludp.c,v 1.1 2007/09/14 15:44:25 rahrenbe Exp $
* $Id: protocoludp.c,v 1.2 2007/09/15 20:33:15 rahrenbe Exp $
*/
#include <sys/types.h>
@ -12,16 +12,23 @@
#include <fcntl.h>
#include <unistd.h>
#include <vdr/device.h>
#include "common.h"
#include "protocoludp.h"
cIptvProtocolUdp::cIptvProtocolUdp()
: streamPort(1234),
socketDesc(-1),
readBufferLen(TS_SIZE * 7),
mcastActive(false)
{
debug("cIptvProtocolUdp::cIptvProtocolUdp()\n");
streamAddr = strdup("");
// Allocate receive buffer
readBuffer = MALLOC(unsigned char, readBufferLen);
if (!readBuffer)
error("ERROR: MALLOC() failed in ProtocolUdp()");
}
cIptvProtocolUdp::~cIptvProtocolUdp()
@ -31,6 +38,7 @@ cIptvProtocolUdp::~cIptvProtocolUdp()
Close();
// Free allocated memory
free(streamAddr);
free(readBuffer);
}
bool cIptvProtocolUdp::OpenSocket(const int Port)
@ -143,10 +151,11 @@ bool cIptvProtocolUdp::DropMulticast(void)
return true;
}
int cIptvProtocolUdp::Read(unsigned char *Buffer, int Len)
int cIptvProtocolUdp::Read(unsigned char *Buffer)
{
//debug("cIptvProtocolUdp::Read()\n");
socklen_t addrlen = sizeof(sockAddr);
Buffer = readBuffer;
// Wait for data
struct timeval tv;
tv.tv_sec = 0;
@ -165,7 +174,7 @@ int cIptvProtocolUdp::Read(unsigned char *Buffer, int Len)
// Check if data available
else if (retval) {
// Read data from socket
return recvfrom(socketDesc, Buffer, Len, MSG_DONTWAIT,
return recvfrom(socketDesc, readBuffer, readBufferLen, MSG_DONTWAIT,
(struct sockaddr *)&sockAddr, &addrlen);
}
return 0;
@ -203,4 +212,3 @@ bool cIptvProtocolUdp::Set(const char* Address, const int Port)
}
return true;
}

6
protocoludp.h
View File

@ -3,7 +3,7 @@
*
* See the README file for copyright information and how to reach the author.
*
* $Id: protocoludp.h,v 1.1 2007/09/14 15:44:25 rahrenbe Exp $
* $Id: protocoludp.h,v 1.2 2007/09/15 20:33:15 rahrenbe Exp $
*/
#ifndef __IPTV_PROTOCOLUDP_H
@ -17,6 +17,8 @@ private:
char* streamAddr;
int streamPort;
int socketDesc;
unsigned char* readBuffer;
unsigned int readBufferLen;
struct sockaddr_in sockAddr;
bool mcastActive;
@ -29,7 +31,7 @@ private:
public:
cIptvProtocolUdp();
virtual ~cIptvProtocolUdp();
virtual int Read(unsigned char *Buffer, int Len);
virtual int Read(unsigned char *Buffer);
virtual bool Set(const char* Address, const int Port);
virtual bool Open(void);
virtual bool Close(void);

49
streamer.c
View File

@ -3,16 +3,9 @@
*
* See the README file for copyright information and how to reach the author.
*
* $Id: streamer.c,v 1.11 2007/09/14 15:44:25 rahrenbe Exp $
* $Id: streamer.c,v 1.12 2007/09/15 20:33:15 rahrenbe Exp $
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <fcntl.h>
#include <unistd.h>
#include <vdr/device.h>
#include <vdr/thread.h>
#include <vdr/ringbuffer.h>
@ -23,14 +16,9 @@ cIptvStreamer::cIptvStreamer(cRingBufferLinear* RingBuffer, cMutex* Mutex)
: cThread("IPTV streamer"),
ringBuffer(RingBuffer),
mutex(Mutex),
readBufferLen(TS_SIZE * 7),
protocol(NULL)
{
debug("cIptvStreamer::cIptvStreamer()\n");
// Allocate receive buffer
readBuffer = MALLOC(unsigned char, readBufferLen);
if (!readBuffer)
error("ERROR: MALLOC(readBuffer) failed");
}
cIptvStreamer::~cIptvStreamer()
@ -38,8 +26,6 @@ cIptvStreamer::~cIptvStreamer()
debug("cIptvStreamer::~cIptvStreamer()\n");
// Close the protocol
Close();
// Free allocated memory
free(readBuffer);
}
void cIptvStreamer::Action(void)
@ -47,20 +33,21 @@ void cIptvStreamer::Action(void)
debug("cIptvStreamer::Action(): Entering\n");
// Do the thread loop
while (Running()) {
if (ringBuffer && mutex && readBuffer && protocol) {
int length = protocol->Read(readBuffer, readBufferLen);
if (ringBuffer && mutex && protocol) {
unsigned char *buffer = NULL;
int length = protocol->Read(buffer);
if (length >= 0) {
mutex->Lock();
int p = ringBuffer->Put(readBuffer, length);
int p = ringBuffer->Put(buffer, length);
if (p != length && Running())
ringBuffer->ReportOverflow(length - p);
mutex->Unlock();
}
else
cCondWait::SleepMs(3); // reduce cpu load
cCondWait::SleepMs(100); // to reduce cpu load
}
else
cCondWait::SleepMs(100); // avoid busy loop
cCondWait::SleepMs(100); // and avoid busy loop
}
debug("cIptvStreamer::Action(): Exiting\n");
}
@ -92,18 +79,18 @@ bool cIptvStreamer::Set(const char* Address, const int Port, cIptvProtocolIf* Pr
{
debug("cIptvStreamer::Set(): %s:%d\n", Address, Port);
if (!isempty(Address)) {
// Update protocol; Close the existing one if changed
if (protocol != Protocol) {
if (protocol)
protocol->Close();
protocol = Protocol;
if (protocol)
protocol->Open();
}
// Set protocol address and port
if (protocol)
// Update protocol; Close the existing one if changed
if (protocol != Protocol) {
if (protocol)
protocol->Close();
protocol = Protocol;
if (protocol)
protocol->Open();
}
// Set protocol address and port
if (protocol)
protocol->Set(Address, Port);
}
}
return true;
}