hyperion.ng/libsrc/xbmcvideochecker/XBMCVideoChecker.cpp

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// Qt includes
#include <QUrl>
#include <QRegExp>
#include <QStringRef>
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#include <xbmcvideochecker/XBMCVideoChecker.h>
// Request player example:
// {"id":666,"jsonrpc":"2.0","method":"Player.GetActivePlayers"}
// {"id":666,"jsonrpc":"2.0","result":[{"playerid":1,"type":"video"}]}
// Request playing item example:
// {"id":667,"jsonrpc":"2.0","method":"Player.GetItem","params":{"playerid":1,"properties":["file"]}}
// {"id":667,"jsonrpc":"2.0","result":{"item":{"file":"smb://xbmc:xbmc@192.168.53.12/video/Movies/Avatar (2009)/Avatar.mkv","label":"Avatar","type":"unknown"}}}
// Request if screensaver is on
// {"id":668,"jsonrpc":"2.0","method":"XBMC.GetInfoBooleans","params":{"booleans":["System.ScreenSaverActive"]}}
// {"id":668,"jsonrpc":"2.0","result":{"System.ScreenSaverActive":false}}
// Request stereoscopicmode example:
// {"jsonrpc":"2.0","method":"GUI.GetProperties","params":{"properties":["stereoscopicmode"]},"id":669}
// {"id":669,"jsonrpc":"2.0","result":{"stereoscopicmode":{"label":"Nebeneinander","mode":"split_vertical"}}}
XBMCVideoChecker::XBMCVideoChecker(const std::string & address, uint16_t port, bool grabVideo, bool grabPhoto, bool grabAudio, bool grabMenu, bool grabScreensaver, bool enable3DDetection) :
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QObject(),
_address(QString::fromStdString(address)),
_port(port),
_activePlayerRequest(R"({"id":666,"jsonrpc":"2.0","method":"Player.GetActivePlayers"})"),
_currentPlayingItemRequest(R"({"id":667,"jsonrpc":"2.0","method":"Player.GetItem","params":{"playerid":%1,"properties":["file"]}})"),
_checkScreensaverRequest(R"({"id":668,"jsonrpc":"2.0","method":"XBMC.GetInfoBooleans","params":{"booleans":["System.ScreenSaverActive"]}})"),
_getStereoscopicMode(R"({"jsonrpc":"2.0","method":"GUI.GetProperties","params":{"properties":["stereoscopicmode"]},"id":669})"),
_getXbmcVersion(R"({"jsonrpc":"2.0","method":"Application.GetProperties","params":{"properties":["version"]},"id":670})"),
_socket(),
_grabVideo(grabVideo),
_grabPhoto(grabPhoto),
_grabAudio(grabAudio),
_grabMenu(grabMenu),
_grabScreensaver(grabScreensaver),
_enable3DDetection(enable3DDetection),
_previousScreensaverMode(false),
_previousGrabbingMode(GRABBINGMODE_INVALID),
_previousVideoMode(VIDEO_2D),
_xbmcVersion(0)
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{
// setup socket
connect(&_socket, SIGNAL(readyRead()), this, SLOT(receiveReply()));
connect(&_socket, SIGNAL(disconnected()), this, SLOT(disconnected()));
connect(&_socket, SIGNAL(connected()), this, SLOT(connected()));
connect(&_socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(connectionError(QAbstractSocket::SocketError)));
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}
void XBMCVideoChecker::start()
{
reconnect();
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}
void XBMCVideoChecker::receiveReply()
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{
// expect that the reply is received as a single message. Probably oke considering the size of the expected reply
QString reply(_socket.readAll());
std::cout << "KODICHECK INFO: Kodi Message: " << reply.toStdString() << std::endl;
if (reply.contains("\"method\":\"Player.OnPlay\""))
{
// send a request for the current player state
_socket.write(_activePlayerRequest.toUtf8());
return;
}
else if (reply.contains("\"method\":\"Player.OnStop\""))
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{
// the player has stopped
setGrabbingMode(_grabMenu ? GRABBINGMODE_MENU : GRABBINGMODE_OFF);
setVideoMode(VIDEO_2D);
}
else if (reply.contains("\"method\":\"GUI.OnScreensaverActivated\""))
{
setScreensaverMode(!_grabScreensaver);
}
else if (reply.contains("\"method\":\"GUI.OnScreensaverDeactivated\""))
{
setScreensaverMode(false);
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}
else if (reply.contains("\"id\":666"))
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{
// Result of Player.GetActivePlayers
// always start a new video in 2D mode
emit videoMode(VIDEO_2D);
if (reply.contains("video"))
{
// video is playing
setGrabbingMode(_grabVideo ? GRABBINGMODE_VIDEO : GRABBINGMODE_OFF);
// we need to get the filename
// first retrieve the playerid
QString key = "\"playerid\":";
QRegExp regex(key + "(\\d+)");
int pos = regex.indexIn(reply);
if (pos > 0)
{
// now request info of the playing item
QStringRef idText(&reply, pos + key.length(), regex.matchedLength() - key.length());
_socket.write(_currentPlayingItemRequest.arg(idText.toString()).toUtf8());
}
}
else if (reply.contains("picture"))
{
// picture viewer is playing
setGrabbingMode(_grabPhoto ? GRABBINGMODE_PHOTO : GRABBINGMODE_OFF);
}
else if (reply.contains("audio"))
{
// audio is playing
setGrabbingMode(_grabAudio ? GRABBINGMODE_AUDIO : GRABBINGMODE_OFF);
}
else
{
// Nothing is playing.
setGrabbingMode(_grabMenu ? GRABBINGMODE_MENU : GRABBINGMODE_OFF);
}
}
else if (reply.contains("\"id\":667"))
{
if (_xbmcVersion >= 13)
{
// check of active stereoscopicmode
_socket.write(_getStereoscopicMode.toUtf8());
}
else
{
// result of Player.GetItem
// TODO: what if the filename contains a '"'. In Json this should have been escaped
QRegExp regex("\"file\":\"((?!\").)*\"");
int pos = regex.indexIn(reply);
if (pos > 0)
{
QStringRef filename = QStringRef(&reply, pos+8, regex.matchedLength()-9);
if (filename.contains("3DSBS", Qt::CaseInsensitive) || filename.contains("HSBS", Qt::CaseInsensitive))
{
setVideoMode(VIDEO_3DSBS);
}
else if (filename.contains("3DTAB", Qt::CaseInsensitive) || filename.contains("HTAB", Qt::CaseInsensitive))
{
setVideoMode(VIDEO_3DTAB);
}
else
{
setVideoMode(VIDEO_2D);
}
}
}
}
else if (reply.contains("\"id\":668"))
{
// result of System.ScreenSaverActive
bool active = reply.contains("\"System.ScreenSaverActive\":true");
setScreensaverMode(!_grabScreensaver && active);
// check here xbmc version
if (_socket.state() == QTcpSocket::ConnectedState)
{
if (_xbmcVersion == 0)
{
_socket.write(_getXbmcVersion.toUtf8());
}
}
}
else if (reply.contains("\"id\":669"))
{
QRegExp regex("\"mode\":\"(split_vertical|split_horizontal)\"");
int pos = regex.indexIn(reply);
if (pos > 0)
{
QString sMode = regex.cap(1);
if (sMode == "split_vertical")
{
setVideoMode(VIDEO_3DSBS);
}
else if (sMode == "split_horizontal")
{
setVideoMode(VIDEO_3DTAB);
}
}
}
else if (reply.contains("\"id\":670"))
{
QRegExp regex("\"major\":(\\d+)");
int pos = regex.indexIn(reply);
if (pos > 0)
{
_xbmcVersion = regex.cap(1).toInt();
}
}
}
void XBMCVideoChecker::connected()
{
std::cout << "KODICHECK INFO: Kodi Connected" << std::endl;
// send a request for the current player state
_socket.write(_activePlayerRequest.toUtf8());
_socket.write(_checkScreensaverRequest.toUtf8());
}
void XBMCVideoChecker::disconnected()
{
std::cout << "KODICHECK INFO: Kodi Disconnected" << std::endl;
reconnect();
}
void XBMCVideoChecker::reconnect()
{
if (_socket.state() == QTcpSocket::ConnectedState)
{
return;
}
// try to connect
switch (_socket.state())
{
case QTcpSocket::ConnectingState:
// Somehow when XBMC restarts we get stuck in connecting state
// If we get here we tried to connect already for 5 seconds. abort and try again in 1 second.
_socket.reset();
_socket.waitForDisconnected(50);
QTimer::singleShot(1000, this, SLOT(reconnect()));
break;
case QTcpSocket::UnconnectedState:
_socket.connectToHost(_address, _port);
QTimer::singleShot(10000, this, SLOT(reconnect()));
break;
default:
QTimer::singleShot(10000, this, SLOT(reconnect()));
break;
}
}
void XBMCVideoChecker::connectionError(QAbstractSocket::SocketError error)
{
std::cout << "KODICHECK ERROR: Kodi Connection error (" << error << ")" << std::endl;
// close the socket
_socket.close();
}
void XBMCVideoChecker::setGrabbingMode(GrabbingMode newGrabbingMode)
{
if (newGrabbingMode == _previousGrabbingMode)
{
// no change
return;
}
switch (newGrabbingMode)
{
case GRABBINGMODE_VIDEO:
std::cout << "KODICHECK INFO: switching to VIDEO mode" << std::endl;
break;
case GRABBINGMODE_PHOTO:
std::cout << "KODICHECK INFO: switching to PHOTO mode" << std::endl;
break;
case GRABBINGMODE_AUDIO:
std::cout << "KODICHECK INFO: switching to AUDIO mode" << std::endl;
break;
case GRABBINGMODE_MENU:
std::cout << "KODICHECK INFO: switching to MENU mode" << std::endl;
break;
case GRABBINGMODE_OFF:
std::cout << "KODICHECK INFO: switching to OFF mode" << std::endl;
break;
case GRABBINGMODE_INVALID:
std::cout << "KODICHECK INFO: switching to INVALID mode" << std::endl;
break;
}
// only emit the new state when we want to grab in screensaver mode or when the screensaver is deactivated
if (!_previousScreensaverMode)
{
emit grabbingMode(newGrabbingMode);
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}
_previousGrabbingMode = newGrabbingMode;
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}
void XBMCVideoChecker::setScreensaverMode(bool isOnScreensaver)
{
if (isOnScreensaver == _previousScreensaverMode)
{
// no change
return;
}
emit grabbingMode(isOnScreensaver ? GRABBINGMODE_OFF : _previousGrabbingMode);
_previousScreensaverMode = isOnScreensaver;
}
void XBMCVideoChecker::setVideoMode(VideoMode newVideoMode)
{
if (newVideoMode == _previousVideoMode)
{
// no change
return;
}
switch (newVideoMode)
{
case VIDEO_2D:
std::cout << "KODICHECK INFO: switching to 2D mode" << std::endl;
break;
case VIDEO_3DSBS:
std::cout << "KODICHECK INFO: switching to 3D SBS mode" << std::endl;
break;
case VIDEO_3DTAB:
std::cout << "KODICHECK INFO: switching to 3D TAB mode" << std::endl;
break;
}
emit videoMode(newVideoMode);
_previousVideoMode = newVideoMode;
}