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/**
* R5000Channel
* Copyright (c) 2005 by Jim Westfall, Dave Abrahams
* Copyright (c) 2006 by Daniel Kristjansson
* Distributed as part of MythTV under GPL v2 and later.
*/
#include "mythcontext.h"
#include "tv_rec.h"
#include "r5000channel.h"
#define LOC QString("R5kChan(%1): ").arg(GetDevice())
#define LOC_WARN QString("R5kChan(%1), Warning: ").arg(GetDevice())
#define LOC_ERR QString("R5kChan(%1), Error: ").arg(GetDevice())
R5000Channel::R5000Channel(TVRec *parent, const QString &_videodevice,const QString &_r5ktype, bool pocc) :
DTVChannel(parent),
videodevice(_videodevice),
power_on_channel_change(pocc),
device(NULL),
current_channel(""),
current_mpeg_prog(0),
isopen(false),
tuning_delay(0)
{
int type = R5000Device::GetDeviceType(_r5ktype);
device = new R5000Device(type, videodevice);
InitializeInputs();
}
bool R5000Channel::SetChannelByString(const QString &channum)
{
QString loc = LOC + QString("SetChannelByString(%1)").arg(channum);
bool ok = false;
LOG(VB_CHANNEL, LOG_DEBUG, LOC);
InputMap::const_iterator it = m_inputs.find(m_currentInputID);
if (it == m_inputs.end())
return false;
QString tvformat, modulation, freqtable, freqid, dtv_si_std;
int finetune;
uint64_t frequency;
int mpeg_prog_num;
uint atsc_major, atsc_minor, mplexid, tsid, netid;
if (!ChannelUtil::GetChannelData(
(*it)->sourceid, channum,
tvformat, modulation, freqtable, freqid,
finetune, frequency,
dtv_si_std, mpeg_prog_num, atsc_major, atsc_minor, tsid, netid,
mplexid, m_commfree))
{
LOG(VB_GENERAL, LOG_DEBUG, LOC + " " + QString(
"Requested channel '%1' is on input '%2' "
"which is in a busy input group")
.arg(channum).arg(m_currentInputID));
return false;
}
uint mplexid_restriction;
if (!IsInputAvailable(m_currentInputID, mplexid_restriction))
{
LOG(VB_GENERAL, LOG_DEBUG, LOC + " " + QString(
"Requested channel '%1' is on input '%2' "
"which is in a busy input group")
.arg(channum).arg(m_currentInputID));
return false;
}
if (!(*it)->externalChanger.isEmpty())
{
ok = ChangeExternalChannel((*it)->externalChanger, freqid);
// -1 resets any state without executing a channel change
device->SetChannel(fw_opts.model, 0, mpeg_prog_num);
SetSIStandard("mpeg");
SetDTVInfo(0,0,0,0,1);
}
else
{
ok = isopen && SetChannelByNumber(freqid, mpeg_prog_num);
}
if (ok)
{
if (tuning_delay) {
LOG(VB_CHANNEL, LOG_DEBUG, LOC + " " + QString(
"Adding additional delay: %1ms").arg(tuning_delay));
usleep(tuning_delay * 1000);
}
// Set the current channum to the new channel's channum
QString tmp = channum;
tmp.detach();
m_curchannelname = tmp;
tmp.detach();
(*it)->startChanNum = tmp;
}
LOG(VB_CHANNEL, LOG_DEBUG, LOC + " " + ((ok) ? "success" : "failure"));
return ok;
}
bool R5000Channel::Open(void)
{
LOG(VB_CHANNEL, LOG_DEBUG, LOC + "Open()");
if (m_inputs.find(m_currentInputID) == m_inputs.end())
return false;
if (!device)
return false;
if (isopen)
return true;
if (!device->OpenPort())
return false;
isopen = true;
return true;
}
void R5000Channel::Close(void)
{
LOG(VB_CHANNEL, LOG_DEBUG, LOC + "Close()");
if (isopen)
{
device->ClosePort();
isopen = false;
}
}
QString R5000Channel::GetDevice(void) const
{
return videodevice;
}
bool R5000Channel::SetPowerState(bool on)
{
if (!isopen)
{
LOG(VB_GENERAL, LOG_DEBUG, LOC_ERR +
"SetPowerState() called on closed R5000Channel.");
return false;
}
if (power_on_channel_change)
return R5000Device::kAVCPowerOn;
return device->SetPowerState(on);
}
R5000Device::PowerState R5000Channel::GetPowerState(void) const
{
if (!isopen)
{
LOG(VB_GENERAL, LOG_DEBUG, LOC_ERR +
"GetPowerState() called on closed R5000Channel.");
return R5000Device::kAVCPowerQueryFailed;
}
if (power_on_channel_change)
return R5000Device::kAVCPowerOn;
return device->GetPowerState();
}
bool R5000Channel::Retune(void)
{
LOG(VB_CHANNEL, LOG_DEBUG, LOC + "Retune()");
if (! power_on_channel_change && R5000Device::kAVCPowerOff == GetPowerState())
{
LOG(VB_GENERAL, LOG_DEBUG, LOC_ERR +
"STB is turned off, must be on to retune.");
return false;
}
if (current_channel.length())
return SetChannelByNumber(current_channel, current_mpeg_prog);
return false;
}
bool R5000Channel::SetChannelByNumber(const QString &channel, int mpeg_prog)
{
LOG(VB_CHANNEL, LOG_DEBUG, QString("SetChannelByNumber(%1)").arg(channel));
current_channel = channel;
current_mpeg_prog = mpeg_prog;
if (! power_on_channel_change && R5000Device::kAVCPowerOff == GetPowerState())
{
LOG(VB_GENERAL, LOG_DEBUG, LOC_WARN +
"STB is turned off, must be on to set channel.");
SetSIStandard("mpeg");
SetDTVInfo(0,0,0,0,1);
return true; // signal monitor will call retune later...
}
QString tmpchan = (power_on_channel_change ? "P" : "") + channel;
if (! device->SetChannel(fw_opts.model, tmpchan, mpeg_prog))
return false;
SetSIStandard("mpeg");
SetDTVInfo(0,0,0,0,1);
return true;
}
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