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vdr/transfer.c
2009-12-06 14:23:02 +01:00

70 lines
2.0 KiB
C

/*
* transfer.c: Transfer mode
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: transfer.c 2.4 2009/12/06 14:22:23 kls Exp $
*/
#include "transfer.h"
// --- cTransfer -------------------------------------------------------------
cTransfer::cTransfer(tChannelID ChannelID, int VPid, const int *APids, const int *DPids, const int *SPids)
:cReceiver(ChannelID, -1, VPid, APids, Setup.UseDolbyDigital ? DPids : NULL, SPids)
{
patPmtGenerator.SetChannel(Channels.GetByChannelID(ChannelID));
}
cTransfer::~cTransfer()
{
cReceiver::Detach();
cPlayer::Detach();
}
void cTransfer::Activate(bool On)
{
if (On) {
PlayTs(patPmtGenerator.GetPat(), TS_SIZE);
int Index = 0;
while (uchar *pmt = patPmtGenerator.GetPmt(Index))
PlayTs(pmt, TS_SIZE);
}
else
cPlayer::Detach();
}
void cTransfer::Receive(uchar *Data, int Length)
{
if (cPlayer::IsAttached()) {
// Transfer Mode means "live tv", so there's no point in doing any additional
// buffering here. The TS packets *must* get through here! However, every
// now and then there may be conditions where the packet just can't be
// handled when offered the first time, so that's why we try several times:
for (int i = 0; i < 100; i++) {
if (PlayTs(Data, Length) > 0)
return;
cCondWait::SleepMs(10);
}
esyslog("ERROR: TS packet not accepted in Transfer Mode");
}
}
// --- cTransferControl ------------------------------------------------------
cDevice *cTransferControl::receiverDevice = NULL;
cTransferControl::cTransferControl(cDevice *ReceiverDevice, tChannelID ChannelID, int VPid, const int *APids, const int *DPids, const int *SPids)
:cControl(transfer = new cTransfer(ChannelID, VPid, APids, DPids, SPids), true)
{
ReceiverDevice->AttachReceiver(transfer);
receiverDevice = ReceiverDevice;
}
cTransferControl::~cTransferControl()
{
receiverDevice = NULL;
delete transfer;
}