cDeCsaTSBuffer Class Reference

#include <device.h>

Inheritance diagram for cDeCsaTSBuffer:

List of all members.

Public Member Functions
	cDeCsaTSBuffer (int File, int Size, int CardIndex, cDeCSA *DeCsa, bool ScActive)
	SASC.
	~cDeCsaTSBuffer ()
uchar *	Get (void)
void	SetActive (bool ScActive)
	cDeCsaTSBuffer (int File, int Size, int CardIndex, cDeCSA *DeCsa, bool ScActive)
	~cDeCsaTSBuffer ()
uchar *	Get (void)
void	SetActive (bool ScActive)

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Detailed Description

Definition at line 48 of file device.h.

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Constructor & Destructor Documentation

cDeCsaTSBuffer::cDeCsaTSBuffer	(	int	File,
		int	Size,
		int	CardIndex,
		cDeCSA *	DeCsa,
		bool	ScActive
	)

SASC.

Definition at line 50 of file device.c.

References SetActive(), cDeCSA::SetActive(), cThread::SetDescription(), cThread::Start(), and TS_SIZE.

{
  SetDescription("TS buffer on device %d", CardIndex);
  f=File; size=Size; cardIndex=CardIndex; decsa=DeCsa;
  delivered=false;
  ringBuffer=new cRingBufferLinear(Size,TS_SIZE,true,"FFdecsa-TS");
  ringBuffer->SetTimeouts(100,100);
  if(decsa) decsa->SetActive(true);
  SetActive(ScActive);
  Start();
}

cDeCsaTSBuffer::~cDeCsaTSBuffer

(

)

Definition at line 62 of file device.c.

References cThread::Cancel(), and cDeCSA::SetActive().

{
  Cancel(3);
  if(decsa) decsa->SetActive(false);
  delete ringBuffer;
}

cDeCsaTSBuffer::cDeCsaTSBuffer	(	int	File,
		int	Size,
		int	CardIndex,
		cDeCSA *	DeCsa,
		bool	ScActive
	)

cDeCsaTSBuffer::~cDeCsaTSBuffer

(

)

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Member Function Documentation

uchar * cDeCsaTSBuffer::Get

(

void

)

Definition at line 93 of file device.c.

References cDeCSA::Decrypt(), esyslog, i, NULL, cCondWait::SleepMs(), TS_SIZE, and TS_SYNC_BYTE.

Referenced by SCDEVICE::GetTSPacket().

{
  int Count=0;
  if(delivered) { ringBuffer->Del(TS_SIZE); delivered=false; }
  uchar *p=ringBuffer->Get(Count);
  if(p && Count>=TS_SIZE) {
    if(*p!=TS_SYNC_BYTE) {
      for(int i=1; i<Count; i++)
        if(p[i]==TS_SYNC_BYTE &&
           (i+TS_SIZE==Count || (i+TS_SIZE>Count && p[i+TS_SIZE]==TS_SYNC_BYTE)) ) { Count=i; break; }
      ringBuffer->Del(Count);
      esyslog("ERROR: skipped %d bytes to sync on TS packet on device %d",Count,cardIndex);
      return NULL;
      }

    if(scActive && (p[3]&0xC0)) {
      if(decsa) {
        if(!decsa->Decrypt(p,Count,false)) {
          cCondWait::SleepMs(20);
          return NULL;
          }
        }
      else p[3]&=~0xC0; // FF hack
      }

    delivered=true;
    return p;
    }
  return NULL;
}

uchar* cDeCsaTSBuffer::Get

(

void

)

void cDeCsaTSBuffer::SetActive

(

bool

ScActive

)

void cDeCsaTSBuffer::SetActive

(

bool

ScActive

)

Definition at line 69 of file device.c.

Referenced by cDeCsaTSBuffer(), and SCDEVICE::SetPid().

{
  scActive=ScActive;
}

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The documentation for this class was generated from the following files:

• contrib/sasc-ng/sc/PLUGINS/src/sc-src/device.h
• device.h
• contrib/sasc-ng/sc/PLUGINS/src/sc-src/device.c
• device.c