/
channelbase.cpp
1252 lines (1059 loc) · 34.9 KB
/
channelbase.cpp
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// Std C headers
#include <cstdlib>
#include <cerrno>
// POSIX headers
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
// C++ headers
#include <iostream>
#include <algorithm>
using namespace std;
// Qt headers
#include <QCoreApplication>
// MythTV headers
#ifdef USING_OSX_FIREWIRE
#include "darwinfirewiredevice.h"
#endif
#ifdef USING_LINUX_FIREWIRE
#include "linuxfirewiredevice.h"
#endif
#include "firewirechannel.h"
#include "mythcorecontext.h"
#include "cetonchannel.h"
#include "dummychannel.h"
#include "tvremoteutil.h"
#include "channelbase.h"
#include "channelutil.h"
#include "frequencies.h"
#include "hdhrchannel.h"
#include "iptvchannel.h"
#include "mythlogging.h"
#include "asichannel.h"
#include "dtvchannel.h"
#include "dvbchannel.h"
#include "v4lchannel.h"
#include "sourceutil.h"
#include "exitcodes.h"
#include "cardutil.h"
#include "compat.h"
#define LOC QString("ChannelBase[%1]: ").arg(GetCardID())
ChannelBase::ChannelBase(TVRec *parent) :
m_pParent(parent), m_curchannelname(""),
m_currentInputID(-1), m_commfree(false), m_cardid(0),
m_system(NULL), m_system_status(0)
{
}
ChannelBase::~ChannelBase(void)
{
ClearInputMap();
QMutexLocker locker(&m_system_lock);
if (m_system)
KillScript();
}
bool ChannelBase::Init(QString &inputname, QString &startchannel, bool setchan)
{
bool ok;
if (!setchan)
ok = inputname.isEmpty() ? false : IsTunable(inputname, startchannel);
else if (inputname.isEmpty())
ok = SetChannelByString(startchannel);
else
ok = SwitchToInput(inputname, startchannel);
if (ok)
return true;
// try to find a valid channel if given start channel fails.
QString msg1 = QString("Setting start channel '%1' failed, ")
.arg(startchannel);
QString msg2 = "and we failed to find any suitible channels on any input.";
bool msg_error = true;
QStringList inputs = GetConnectedInputs();
// Note we use qFind rather than std::find() for ulibc compat (#4507)
QStringList::const_iterator start =
qFind(inputs.begin(), inputs.end(), inputname);
start = (start == inputs.end()) ? inputs.begin() : start;
if (start != inputs.end())
{
LOG(VB_CHANNEL, LOG_INFO, LOC +
QString("Looking for startchannel '%1' on input '%2'")
.arg(startchannel).arg(*start));
}
// Attempt to find an input for the requested startchannel
QStringList::const_iterator it = start;
while (it != inputs.end())
{
ChannelInfoList channels = GetChannels(*it);
ChannelInfoList::const_iterator cit = channels.begin();
for (; cit != channels.end(); ++cit)
{
if ((*cit).channum == startchannel &&
IsTunable(*it, startchannel))
{
inputname = *it;
LOG(VB_CHANNEL, LOG_INFO, LOC +
QString("Found startchannel '%1' on input '%2'")
.arg(startchannel).arg(inputname));
return true;
}
}
++it;
it = (it == inputs.end()) ? inputs.begin() : it;
if (it == start)
break;
}
it = start;
while (it != inputs.end() && !ok)
{
uint mplexid_restriction = 0;
ChannelInfoList channels = GetChannels(*it);
if (channels.size() &&
IsInputAvailable(GetInputByName(*it), mplexid_restriction))
{
uint chanid = ChannelUtil::GetNextChannel(
channels, channels[0].chanid,
mplexid_restriction, CHANNEL_DIRECTION_UP);
ChannelInfoList::const_iterator cit =
find(channels.begin(), channels.end(), chanid);
if (chanid && cit != channels.end())
{
if (!setchan)
{
ok = IsTunable(*it, (mplexid_restriction) ?
(*cit).channum : startchannel);
}
else
ok = SwitchToInput(*it, (*cit).channum);
if (ok)
{
inputname = *it;
if (mplexid_restriction)
{
startchannel = (*cit).channum;
startchannel.detach();
}
msg2 = QString("selected to '%1' on input '%2' instead.")
.arg(startchannel).arg(inputname);
msg_error = false;
}
}
}
++it;
it = (it == inputs.end()) ? inputs.begin() : it;
if (it == start)
break;
}
LOG(VB_GENERAL, ((msg_error) ? LOG_ERR : LOG_WARNING), LOC +
msg1 + "\n\t\t\t" + msg2);
return ok;
}
bool ChannelBase::IsTunable(const QString &input, const QString &channum) const
{
QString loc = LOC + QString("IsTunable(%1,%2)").arg(input).arg(channum);
int inputid = m_currentInputID;
if (!input.isEmpty())
inputid = GetInputByName(input);
InputMap::const_iterator it = m_inputs.find(inputid);
if (it == m_inputs.end())
{
LOG(VB_GENERAL, LOG_ERR, loc + " " +
QString("Requested non-existant input '%1':'%2' ")
.arg(input).arg(inputid));
return false;
}
uint mplexid_restriction;
if (!IsInputAvailable(inputid, mplexid_restriction))
{
LOG(VB_GENERAL, LOG_ERR, loc + " " +
QString("Requested channel is on input '%1' "
"which is in a busy input group")
.arg(inputid));
return false;
}
// Fetch tuning data from the database.
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;
bool commfree;
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, commfree))
{
LOG(VB_GENERAL, LOG_ERR, loc + " " +
QString("Failed to find channel in DB on input '%1' ")
.arg(inputid));
return false;
}
if (mplexid_restriction && (mplexid != mplexid_restriction))
{
LOG(VB_GENERAL, LOG_ERR, loc + " " +
QString("Channel is valid, but tuner is busy "
"on different multiplex (%1 != %2)")
.arg(mplexid).arg(mplexid_restriction));
return false;
}
return true;
}
uint ChannelBase::GetNextChannel(uint chanid, ChannelChangeDirection direction) const
{
if (!chanid)
{
InputMap::const_iterator it = m_inputs.find(m_currentInputID);
if (it == m_inputs.end())
return 0;
chanid = ChannelUtil::GetChanID((*it)->sourceid, m_curchannelname);
}
uint mplexid_restriction = 0;
IsInputAvailable(m_currentInputID, mplexid_restriction);
return ChannelUtil::GetNextChannel(
m_allchannels, chanid, mplexid_restriction, direction);
}
uint ChannelBase::GetNextChannel(const QString &channum, ChannelChangeDirection direction) const
{
InputMap::const_iterator it = m_inputs.find(m_currentInputID);
if (it == m_inputs.end())
return 0;
uint chanid = ChannelUtil::GetChanID((*it)->sourceid, channum);
return GetNextChannel(chanid, direction);
}
int ChannelBase::GetNextInputNum(void) const
{
// Exit early if inputs don't exist..
if (m_inputs.isEmpty())
return -1;
// Find current input
InputMap::const_iterator it;
it = m_inputs.find(m_currentInputID);
// If we can't find the current input, start at
// the beginning and don't increment initially.
bool skip_incr = false;
if (it == m_inputs.end())
{
it = m_inputs.begin();
skip_incr = true;
}
// Find the next _connected_ input.
int i = 0;
for (; i < 100; i++)
{
if (!skip_incr)
{
++it;
it = (it == m_inputs.end()) ? m_inputs.begin() : it;
}
skip_incr = false;
if ((*it)->sourceid)
break;
}
// if we found anything, including current cap channel return it
return (i<100) ? (int)it.key() : -1;
}
/** \fn ChannelBase::GetConnectedInputs(void) const
* \brief Returns names of connected inputs
*/
QStringList ChannelBase::GetConnectedInputs(void) const
{
QStringList list;
InputMap::const_iterator it = m_inputs.begin();
for (; it != m_inputs.end(); ++it)
if ((*it)->sourceid)
list.push_back((*it)->name);
return list;
}
/** \fn ChannelBase::GetInputByNum(int capchannel) const
* \brief Returns name of numbered input, returns null if not found.
*/
QString ChannelBase::GetInputByNum(int capchannel) const
{
InputMap::const_iterator it = m_inputs.find(capchannel);
if (it != m_inputs.end())
return (*it)->name;
return QString::null;
}
/** \fn ChannelBase::GetInputByName(const QString &input) const
* \brief Returns number of named input, returns -1 if not found.
*/
int ChannelBase::GetInputByName(const QString &input) const
{
InputMap::const_iterator it = m_inputs.begin();
for (; it != m_inputs.end(); ++it)
{
if ((*it)->name == input)
return (int)it.key();
}
return -1;
}
bool ChannelBase::SwitchToInput(const QString &inputname)
{
int input = GetInputByName(inputname);
if (input >= 0)
return SwitchToInput(input, true);
else
{
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("Could not find input: %1 on card").arg(inputname));
return false;
}
}
bool ChannelBase::SwitchToInput(const QString &inputname, const QString &chan)
{
LOG(VB_CHANNEL, LOG_DEBUG, LOC + QString("SwitchToInput(%1,%2)")
.arg(inputname).arg(chan));
int input = GetInputByName(inputname);
bool ok = false;
if (input >= 0)
{
ok = SwitchToInput(input, false);
if (ok)
ok = SetChannelByString(chan);
}
else
{
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("Could not find input: %1 on card when setting channel %2")
.arg(inputname).arg(chan));
}
return ok;
}
bool ChannelBase::SwitchToInput(int newInputNum, bool setstarting)
{
InputMap::const_iterator it = m_inputs.find(newInputNum);
if (it == m_inputs.end() || (*it)->startChanNum.isEmpty())
return false;
uint mplexid_restriction;
if (!IsInputAvailable(newInputNum, mplexid_restriction))
return false;
// input switching code would go here
if (setstarting)
return SetChannelByString((*it)->startChanNum);
return true;
}
static bool is_input_group_busy(
uint inputid,
uint groupid,
const vector<uint> &excluded_cardids,
QMap<uint,bool> &busygrp,
QMap<uint,bool> &busyrec,
QMap<uint,TunedInputInfo> &busyin,
uint &mplexid_restriction)
{
static QMutex igrpLock;
static InputGroupMap igrp;
// If none are busy, we don't need to check further
QMap<uint,bool>::const_iterator bit = busygrp.find(groupid);
if ((bit != busygrp.end()) && !*bit)
return false;
vector<TunedInputInfo> conflicts;
vector<uint> cardids = CardUtil::GetGroupCardIDs(groupid);
for (uint i = 0; i < cardids.size(); i++)
{
if (find(excluded_cardids.begin(),
excluded_cardids.end(), cardids[i]) != excluded_cardids.end())
{
continue;
}
TunedInputInfo info;
QMap<uint,bool>::const_iterator it = busyrec.find(cardids[i]);
if (it == busyrec.end())
{
busyrec[cardids[i]] = RemoteIsBusy(cardids[i], info);
it = busyrec.find(cardids[i]);
if (*it)
busyin[cardids[i]] = info;
}
if (*it)
{
QMutexLocker locker(&igrpLock);
if (igrp.GetSharedInputGroup(busyin[cardids[i]].inputid, inputid))
conflicts.push_back(busyin[cardids[i]]);
}
}
// If none are busy, we don't need to check further
busygrp[groupid] = !conflicts.empty();
if (conflicts.empty())
return false;
InputInfo in;
in.inputid = inputid;
if (!CardUtil::GetInputInfo(in))
return true;
// If they aren't using the same source they are definately busy
bool is_busy_input = false;
for (uint i = 0; i < conflicts.size() && !is_busy_input; i++)
is_busy_input = (in.sourceid != conflicts[i].sourceid);
if (is_busy_input)
return true;
// If the source's channels aren't digitally tuned then there is a conflict
is_busy_input = !SourceUtil::HasDigitalChannel(in.sourceid);
if (!is_busy_input && conflicts[0].chanid)
{
MSqlQuery query(MSqlQuery::InitCon());
query.prepare(
"SELECT mplexid "
"FROM channel "
"WHERE chanid = :CHANID");
query.bindValue(":CHANID", conflicts[0].chanid);
if (!query.exec())
MythDB::DBError("is_input_group_busy", query);
else if (query.next())
{
mplexid_restriction = query.value(0).toUInt();
mplexid_restriction = (32767 == mplexid_restriction) ?
0 : mplexid_restriction;
}
}
return is_busy_input;
}
static bool is_input_busy(
uint inputid,
const vector<uint> &groupids,
const vector<uint> &excluded_cardids,
QMap<uint,bool> &busygrp,
QMap<uint,bool> &busyrec,
QMap<uint,TunedInputInfo> &busyin,
uint &mplexid_restriction)
{
bool is_busy = false;
for (uint i = 0; i < groupids.size() && !is_busy; i++)
{
is_busy |= is_input_group_busy(
inputid, groupids[i], excluded_cardids,
busygrp, busyrec, busyin, mplexid_restriction);
}
return is_busy;
}
bool ChannelBase::IsInputAvailable(
int inputid, uint &mplexid_restriction) const
{
if (inputid < 0)
return false;
// Check each input to make sure it doesn't belong to an
// input group which is attached to a busy recorder.
QMap<uint,bool> busygrp;
QMap<uint,bool> busyrec;
QMap<uint,TunedInputInfo> busyin;
// Cache our busy input if applicable
uint cid = GetCardID();
TunedInputInfo info;
busyrec[cid] = m_pParent->IsBusy(&info);
if (busyrec[cid])
{
busyin[cid] = info;
info.chanid = GetChanID();
}
vector<uint> excluded_cardids;
excluded_cardids.push_back(cid);
mplexid_restriction = 0;
vector<uint> groupids = CardUtil::GetInputGroups(inputid);
return !is_input_busy(inputid, groupids, excluded_cardids,
busygrp, busyrec, busyin, mplexid_restriction);
}
/** \fn ChannelBase::GetFreeInputs(const vector<uint>&) const
* \brief Returns the recorders available inputs.
*
* This filters out the connected inputs that belong to an input
* group which is busy. Recorders in the excluded cardids will
* not be considered busy for the sake of determining free inputs.
*
*/
vector<InputInfo> ChannelBase::GetFreeInputs(
const vector<uint> &excluded_cardids) const
{
vector<InputInfo> new_list;
QStringList list = GetConnectedInputs();
if (list.empty())
return new_list;
// Check each input to make sure it doesn't belong to an
// input group which is attached to a busy recorder.
QMap<uint,bool> busygrp;
QMap<uint,bool> busyrec;
QMap<uint,TunedInputInfo> busyin;
// Cache our busy input if applicable
TunedInputInfo info;
uint cid = GetCardID();
busyrec[cid] = m_pParent->IsBusy(&info);
if (busyrec[cid])
{
busyin[cid] = info;
info.chanid = GetChanID();
}
// If we're busy and not excluded, all inputs are busy
if (busyrec[cid] &&
(find(excluded_cardids.begin(), excluded_cardids.end(),
cid) == excluded_cardids.end()))
{
return new_list;
}
QStringList::const_iterator it;
for (it = list.begin(); it != list.end(); ++it)
{
InputInfo info;
vector<uint> groupids;
info.inputid = GetInputByName(*it);
if (!CardUtil::GetInputInfo(info, &groupids))
continue;
bool is_busy_grp = is_input_busy(
info.inputid, groupids, excluded_cardids,
busygrp, busyrec, busyin, info.mplexid);
if (!is_busy_grp && info.livetvorder)
new_list.push_back(info);
}
return new_list;
}
uint ChannelBase::GetInputCardID(int inputNum) const
{
InputMap::const_iterator it = m_inputs.find(inputNum);
if (it != m_inputs.end())
return (*it)->cardid;
return 0;
}
ChannelInfoList ChannelBase::GetChannels(int inputNum) const
{
int inputid = (inputNum > 0) ? inputNum : m_currentInputID;
ChannelInfoList ret;
InputMap::const_iterator it = m_inputs.find(inputid);
if (it != m_inputs.end())
ret = (*it)->channels;
return ret;
}
ChannelInfoList ChannelBase::GetChannels(const QString &inputname) const
{
int inputid = m_currentInputID;
if (!inputname.isEmpty())
{
int tmp = GetInputByName(inputname);
inputid = (tmp > 0) ? tmp : inputid;
}
return GetChannels(inputid);
}
/// \note m_system_lock must be held when this is called
bool ChannelBase::KillScript(void)
{
if (!m_system)
return true;
m_system->Term(true);
delete m_system;
m_system = NULL;
return true;
}
/// \note m_system_lock must NOT be held when this is called
void ChannelBase::HandleScript(const QString &freqid)
{
QMutexLocker locker(&m_system_lock);
bool ok = true;
m_system_status = 0; // unknown
InputMap::const_iterator it = m_inputs.find(m_currentInputID);
if (it == m_inputs.end())
{
m_system_status = 2; // failed
HandleScriptEnd(true);
return;
}
if ((*it)->externalChanger.isEmpty())
{
m_system_status = 3; // success
HandleScriptEnd(true);
return;
}
if (freqid.isEmpty())
{
LOG(VB_GENERAL, LOG_WARNING, LOC +
"A channel changer is set, but the freqid field is empty."
"\n\t\t\tWe will return success to ease setup pains, "
"but no script is will actually run.");
m_system_status = 3; // success
HandleScriptEnd(true);
return;
}
// It's possible we simply never reaped the process, check status first.
if (m_system)
GetScriptStatus(true);
// If it's still running, try killing it
if (m_system)
ok = KillScript();
// The GetScriptStatus() call above can reset m_system_status with
// the exit status of the last channel change script invocation, so
// we must set it to pending here.
m_system_status = 1; // pending
if (!ok)
{
LOG(VB_GENERAL, LOG_ERR, LOC +
"Can not execute channel changer, previous call to script "
"is still running.");
m_system_status = 2; // failed
HandleScriptEnd(ok);
}
else
{
if ((*it)->externalChanger.toLower() == "internal")
{
ok = ChangeInternalChannel(freqid, (*it)->inputid);
if (!ok)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Can not execute internal channel "
"changer.");
m_system_status = 2; // failed
}
else
m_system_status = 3; // success
HandleScriptEnd(ok);
}
else
{
ok = ChangeExternalChannel((*it)->externalChanger, freqid);
if (!ok)
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Can not execute channel changer.");
m_system_status = 2; // failed
HandleScriptEnd(ok);
}
}
}
}
bool ChannelBase::ChangeInternalChannel(const QString &freqid,
uint inputid)
{
#ifdef USING_FIREWIRE
FirewireDevice *device = NULL;
QString fwnode = CardUtil::GetFirewireChangerNode(inputid);
uint64_t guid = string_to_guid(fwnode);
QString fwmodel = CardUtil::GetFirewireChangerModel(inputid);
LOG(VB_GENERAL, LOG_ERR, LOC + QString("Internal channel change to %1 "
"on inputid %2, GUID %3 (%4)").arg(freqid).arg(inputid)
.arg(fwnode).arg(fwmodel));
#ifdef USING_LINUX_FIREWIRE
device = new LinuxFirewireDevice(
guid, 0, 100, 1);
#endif // USING_LINUX_FIREWIRE
#ifdef USING_OSX_FIREWIRE
device = new DarwinFirewireDevice(guid, 0, 100);
#endif // USING_OSX_FIREWIRE
if (!device)
return false;
if (!device->OpenPort())
return false;
if (!device->SetChannel(fwmodel, 0, freqid.toUInt()))
{
device->ClosePort();
delete device;
device = NULL;
return false;
}
device->ClosePort();
delete device;
device = NULL;
return true;
#else
return false;
#endif
}
/// \note m_system_lock must be held when this is called
bool ChannelBase::ChangeExternalChannel(const QString &changer,
const QString &freqid)
{
if (m_system)
return false;
if (changer.isEmpty() || freqid.isEmpty())
return false;
QString command = QString("%1 %2").arg(changer).arg(freqid);
LOG(VB_CHANNEL, LOG_INFO, LOC +
QString("Running command: %1").arg(command));
m_system = new MythSystemLegacy(command, kMSRunShell | kMSRunBackground);
m_system->Run();
return true;
}
uint ChannelBase::GetScriptStatus(bool holding_lock)
{
if (!m_system)
return m_system_status;
if (!holding_lock)
m_system_lock.lock();
m_system_status = m_system->Wait();
if (m_system_status != GENERIC_EXIT_RUNNING &&
m_system_status != GENERIC_EXIT_START)
{
delete m_system;
m_system = NULL;
HandleScriptEnd(m_system_status == GENERIC_EXIT_OK);
}
LOG(VB_CHANNEL, LOG_INFO, LOC + QString("GetScriptStatus() %1")
.arg(m_system_status));
uint ret;
switch(m_system_status)
{
case GENERIC_EXIT_OK:
ret = 3; // success
break;
case GENERIC_EXIT_RUNNING:
case GENERIC_EXIT_START:
ret = 1; // pending
break;
default:
ret = 2; // fail
break;
}
LOG(VB_CHANNEL, LOG_INFO, LOC + QString("GetScriptStatus() %1 -> %2")
.arg(m_system_status). arg(ret));
m_system_status = ret;
if (!holding_lock)
m_system_lock.unlock();
return ret;
}
/// \note m_system_lock must be held when this is called
void ChannelBase::HandleScriptEnd(bool ok)
{
LOG(VB_CHANNEL, LOG_INFO, LOC + QString("Channel change script %1")
.arg((ok) ? "succeeded" : "failed"));
if (ok)
{
InputMap::const_iterator it = m_inputs.find(m_currentInputID);
if (it != m_inputs.end())
{
// Set this as the future start channel for this source
(*it)->startChanNum = m_curchannelname;
}
}
}
/** \fn ChannelBase::GetCardID(void) const
* \brief Returns card id.
*/
uint ChannelBase::GetCardID(void) const
{
if (m_cardid > 0)
return m_cardid;
if (m_pParent)
return m_pParent->GetCaptureCardNum();
if (GetDevice().isEmpty())
return 0;
return CardUtil::GetFirstCardID(GetDevice());
}
int ChannelBase::GetChanID() const
{
InputMap::const_iterator it = m_inputs.find(m_currentInputID);
if (it == m_inputs.end())
return false;
MSqlQuery query(MSqlQuery::InitCon());
query.prepare("SELECT chanid FROM channel "
"WHERE channum = :CHANNUM AND "
" sourceid = :SOURCEID");
query.bindValue(":CHANNUM", m_curchannelname);
query.bindValue(":SOURCEID", (*it)->sourceid);
if (!query.exec() || !query.isActive())
{
MythDB::DBError("fetching chanid", query);
return -1;
}
if (!query.next())
return -1;
return query.value(0).toInt();
}
/** \fn ChannelBase::InitializeInputs(void)
* \brief Fills in input map from DB
*/
bool ChannelBase::InitializeInputs(void)
{
ClearInputMap();
uint cardid = GetCardID();
if (!cardid)
{
LOG(VB_GENERAL, LOG_ERR,
"InitializeInputs(): Programmer error, cardid invalid.");
return false;
}
MSqlQuery query(MSqlQuery::InitCon());
query.prepare(
"SELECT cardinputid, "
" inputname, startchan, "
" tunechan, externalcommand, "
" sourceid, livetvorder "
"FROM cardinput "
"WHERE cardid = :CARDID");
query.bindValue(":CARDID", cardid);
if (!query.exec() || !query.isActive())
{
MythDB::DBError("InitializeInputs", query);
return false;
}
else if (!query.size())
{
LOG(VB_GENERAL, LOG_ERR, "InitializeInputs(): "
"\n\t\t\tCould not get inputs for the capturecard."
"\n\t\t\tPerhaps you have forgotten to bind video"
"\n\t\t\tsources to your card's inputs?");
return false;
}
m_allchannels.clear();
QString order = gCoreContext->GetSetting("ChannelOrdering", "channum");
while (query.next())
{
uint sourceid = query.value(5).toUInt();
ChannelInfoList channels = ChannelUtil::GetChannels(sourceid, false);
ChannelUtil::SortChannels(channels, order);
m_inputs[query.value(0).toUInt()] = new ChannelInputInfo(
query.value(1).toString(), query.value(2).toString(),
query.value(3).toString(), query.value(4).toString(),
sourceid, cardid,
query.value(0).toUInt(), query.value(5).toUInt(),
0, channels);
if (!IsExternalChannelChangeSupported() &&
!m_inputs[query.value(0).toUInt()]->externalChanger.isEmpty())
{
LOG(VB_GENERAL, LOG_WARNING, LOC + "External Channel changer is "
"set, but this device does not support it.");
m_inputs[query.value(0).toUInt()]->externalChanger.clear();
}
m_allchannels.insert(m_allchannels.end(),
channels.begin(), channels.end());
}
ChannelUtil::SortChannels(m_allchannels, order, true);
m_currentInputID = GetStartInput(cardid);
// In case that initial input is not set
if (m_currentInputID == -1)
m_currentInputID = GetNextInputNum();
// print em
InputMap::const_iterator it;
for (it = m_inputs.begin(); it != m_inputs.end(); ++it)
{
LOG(VB_CHANNEL, LOG_INFO, LOC +
QString("Input #%1: '%2' schan(%3) sourceid(%4) ccid(%5)")
.arg(it.key()).arg((*it)->name).arg((*it)->startChanNum)
.arg((*it)->sourceid).arg((*it)->cardid));
}
LOG(VB_CHANNEL, LOG_INFO, LOC + QString("Current Input #%1: '%2'")
.arg(GetCurrentInputNum()).arg(GetCurrentInput()));
return m_inputs.size();
}
/** \fn ChannelBase::Renumber(uint,const QString&,const QString&)
* \brief Changes a channum if we have it cached anywhere.
*/
void ChannelBase::Renumber(uint sourceid,
const QString &oldChanNum,
const QString &newChanNum)
{
InputMap::iterator it = m_inputs.begin();
for (; it != m_inputs.end(); ++it)