bool DVBChannel::Tune(const DTVMultiplex &tuning, QString inputname)
{
int inputid = inputname.isEmpty() ? m_currentInputID : GetInputByName(inputname);
if (inputid < 0)
{
VERBOSE(VB_IMPORTANT, LOC_ERR + QString("Tune(): Invalid input '%1'.")
.arg(inputname));
return false;
}
return Tune(tuning, inputid, false, false);
}
bool DVBChannel::SwitchToInput(const QString &inputname, const QString &chan)
{
int input = GetInputByName(inputname);
bool ok = false;
if (input >= 0)
{
m_currentInputID = input;
ok = SetChannelByString(chan);
}
else
{
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("DVBChannel: Could not find input: %1 on card when "
"setting channel %2\n").arg(inputname).arg(chan));
}
return ok;
}
bool DVBChannel::SelectInput(const QString &inputname, const QString &chan,
bool use_sm)
{
int input = GetInputByName(inputname);
if (input >= 0)
{
nextInputID = input;
SelectChannel(chan, use_sm);
}
else
{
VERBOSE(VB_IMPORTANT,
QString("DVBChannel: Could not find input: %1 on card when "
"setting channel %2\n").arg(inputname).arg(chan));
return false;
}
return true;
}
bool DVBChannel::SetChannelByString(const QString &channum)
{
QString tmp = QString("SetChannelByString(%1): ").arg(channum);
QString loc = LOC + tmp;
QString loc_err = LOC_ERR + tmp;
VERBOSE(VB_CHANNEL, loc);
if (!IsOpen())
{
VERBOSE(VB_IMPORTANT, loc_err + "Channel object "
"will not open, cannot change channels.");
ClearDTVInfo();
return false;
}
ClearDTVInfo();
QString inputName;
if (!CheckChannel(channum, inputName))
{
VERBOSE(VB_IMPORTANT, loc_err +
"CheckChannel failed.\n\t\t\tPlease verify the channel "
"in the 'mythtv-setup' Channel Editor.");
return false;
}
// If CheckChannel filled in the inputName we need to change inputs.
if (!inputName.isEmpty() && (nextInputID == m_currentInputID))
nextInputID = GetInputByName(inputName);
// Get the input data for the channel
int inputid = (nextInputID >= 0) ? nextInputID : m_currentInputID;
InputMap::const_iterator it = m_inputs.find(inputid);
if (it == m_inputs.end())
return false;
uint mplexid_restriction;
if (!IsInputAvailable(inputid, mplexid_restriction))
{
VERBOSE(VB_IMPORTANT, loc_err + "Input is not available");
return false;
}
// Get the input data for the channel
QString tvformat, modulation, freqtable, freqid, 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,
si_std, mpeg_prog_num, atsc_major, atsc_minor, tsid, netid,
mplexid, m_commfree))
{
VERBOSE(VB_IMPORTANT, loc_err +
"Unable to find channel in database.");
return false;
}
if (mplexid_restriction && (mplexid != mplexid_restriction))
{
VERBOSE(VB_IMPORTANT, loc_err + "Multiplex is not available");
return false;
}
// Initialize basic the tuning parameters
DTVMultiplex tuning;
if (!mplexid || !tuning.FillFromDB(tunerType, mplexid))
{
VERBOSE(VB_IMPORTANT, loc_err +
"Failed to initialize multiplex options");
return false;
}
SetDTVInfo(atsc_major, atsc_minor, netid, tsid, mpeg_prog_num);
// Try to fix any problems with the multiplex
CheckOptions(tuning);
if (!Tune(tuning, inputid))
{
VERBOSE(VB_IMPORTANT, loc_err + "Tuning to frequency.");
ClearDTVInfo();
return false;
}
QString tmpX = channum; tmpX.detach();
m_curchannelname = tmpX;
VERBOSE(VB_CHANNEL, loc + "Tuned to frequency.");
m_currentInputID = nextInputID;
QString tmpY = m_curchannelname; tmpY.detach();
m_inputs[m_currentInputID]->startChanNum = tmpY;
return true;
}
