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hook WinFast PVR Remote Control msges


sandin
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first of all, many tnx to Bytencoder from Softpedia forum, he revealed his secret of intercepting Winfast PVR remote control keys. If you give any credit to this script it all goes to his nickname ;]

The following script was made to intercept remote control keys from your WinFast PVR application.

If you have Leadtek TV card, or WinFast PVR application, and remote control, you might find this useful, you could turn your TV card remote control into ultimate, distant PC control device.

Please read the first few lines of the script, and choose first global variable, if you have WinFast PVR1, then use:

Global $class = "Alec@Video(^0^)"

if you have WinFast PVR2 or higher, then use:

Global $class = "Alec@DVBT(>_<)"

Also, this script was made tnx to register class function: http://www.autoitscript.com/forum/index.php?showtopic=79575

#Include <WinAPI.au3>
#Include <WindowsConstants.au3>
#include <GUIConstantsEx.au3>
#include <Constants.au3>

;choose the class which depends on your PVR you're using. PVR1 = "Alec@Video(^0^)", PVR2 and higher = "Alec@DVBT(^_^)"

;~ Global $class = "Alec@Video(^0^)" ;for pvr1
Global $class = "Alec@DVBT(^_^)" ;for pvr2 and up
Global $enabled = true

Global Const $CS_VREDRAW = 0x0001;
Global Const $CS_HREDRAW = 0x0002;
Global Const $CS_DBLCLKS = 0x0008;
Global Const $CS_OWNDC = 0x0020;
Global Const $CS_CLASSDC = 0x0040;
Global Const $CS_PARENTDC = 0x0080;
Global Const $CS_NOCLOSE = 0x0200;
Global Const $CS_SAVEBITS = 0x0800;
Global Const $CS_BYTEALIGNCLIENT = 0x1000;
Global Const $CS_BYTEALIGNWINDOW = 0x2000;
Global Const $CS_GLOBALCLASS = 0x4000;
Global Const $CS_DROPSHADOW = 0x00020000;

Global Const $CS_DEFAULTSTYLE = BitOR($CS_VREDRAW, $CS_HREDRAW)
Global Const $CW_USEDEFAULT = 0x80000000

;#CS
Global Const $CURSOR_ARROW           =32512
Global Const $CURSOR_IBEAM           =32513
Global Const $CURSOR_WAIT            =32514
Global Const $CURSOR_CROSS           =32515
Global Const $CURSOR_UPARROW         =32516
Global Const $CURSOR_SIZENWSE        =32642
Global Const $CURSOR_SIZENESW        =32643
Global Const $CURSOR_SIZEWE          =32644
Global Const $CURSOR_SIZENS          =32645
Global Const $CURSOR_SIZEALL         =32646
Global Const $CURSOR_NO              =32648
Global Const $CURSOR_APPSTARTING     =32650
Global Const $CURSOR_HELP            =32651
;#CE

_WinAPI_RegisterClassEx($class, "WindowCallback", 0, 0, -1, $CS_DEFAULTSTYLE) ;registering window class which is designed to recieve PVR's remote ctrl commands, and setting up a func. for hooking msges from that class (this last require a window, that's why we have next line)
$hWnd = _WinAPI_CreateWindowEx(0, $class, "REMOTE CONTROL", $WS_OVERLAPPEDWINDOW, @DesktopWidth+500, @DesktopHeight+500, 0, 0, 0) ;creating a window with registered class (required, but doesn't need to be shown)

$gui = GUICreate("test", 400, 300) ;creating main GUI
$button1 = GUICtrlCreateButton("Disable", 10, 10, 100) ;button for disabling/enabling keys intercepting (actually, registering and unregistering required window's class
$display_label = GUICtrlCreateLabel("", 10, 50, 380, 20, 0x01) ;label for displaying keys you stroke on your remote ctrl.
GUICtrlSetFont(-1, 12, 800, -1, "Arial")
GUISetState(@SW_SHOW)

While 1
    Local $nMsg = GUIGetMsg($gui)
    Switch $nMsg
        case $button1
            if $enabled = true Then
                GUICtrlSetData($button1, "Enable")
                $enabled = false
                _WinAPI_UnregisterClass($class) ;unregistering class and...
                _WinAPI_DestroyWindow($hWnd) ;...killing window with registered class
                $hWnd = 0
            Else
                GUICtrlSetData($button1, "Disable")
                $enabled = true
                _WinAPI_RegisterClassEx($class, "WindowCallback", 0, 0, -1, $CS_DEFAULTSTYLE) ;just like @ the top of the script
                $hWnd = _WinAPI_CreateWindowEx(0, $class, "REMOTE CONTROL", $WS_OVERLAPPEDWINDOW, @DesktopWidth+500, @DesktopHeight+500, 0, 0, 0)
            EndIf
        Case $GUI_EVENT_CLOSE
            _WinAPI_UnregisterClass($class)
            Exit
    EndSwitch
    Sleep(10)
WEnd

Func _WinGetClassName($hWnd)
    $x = DLLCall("user32.dll","int","GetClassName","hWnd",$hWnd,"str","","int",64) ;getting classname of a window
    If Not @error And $x[0] <> 0 Then Return $x[2]
    Return ""
EndFunc

Func WindowCallback($hWnd, $iMsg, $wParam, $lParam) ;callback func. for recieving msges
    Switch $iMsg
        Case $WM_CLOSE
            _WinAPI_UnregisterClass($class)
            Exit
    EndSwitch
    
    Switch $wParam ;set your functions here: (this is the part that recognize your remote ctrl keys)
        case 0
            if $iMsg = 2560 Then
                GUICtrlSetData($display_label, "Power")
            EndIf
        case 1
            ;dunno
        case 2
            ;dunno
        case 3
            GUICtrlSetData($display_label, "Full screen")
        case 4
            GUICtrlSetData($display_label, "Vol +")
        case 5
            GUICtrlSetData($display_label, "Ch. 1")
        case 6
            GUICtrlSetData($display_label, "Ch. 2")
        case 7
            GUICtrlSetData($display_label, "Ch. 3")
        case 8
            GUICtrlSetData($display_label, "Vol -")
        case 9
            GUICtrlSetData($display_label, "Ch. 4")
        case 10
            GUICtrlSetData($display_label, "Ch. 5")
        Case 11
            GUICtrlSetData($display_label, "Ch. 6")
        case 12
            GUICtrlSetData($display_label, "Ch. UP")
        case 13
            GUICtrlSetData($display_label, "Ch. 7")
        case 14
            GUICtrlSetData($display_label, "Ch. 8")
        Case 15
            GUICtrlSetData($display_label, "Ch. 9")
        case 16
            GUICtrlSetData($display_label, "Ch. Down")
        case 17
            GUICtrlSetData($display_label, "Switch to previous")
        case 18
            GUICtrlSetData($display_label, "Ch. 0")
        case 19
            GUICtrlSetData($display_label, "Enter")
        case 20
            GUICtrlSetData($display_label, "Mute")
        case 22
            GUICtrlSetData($display_label, "Display")
        case 27
            GUICtrlSetData($display_label, "Audio")
        case 30
            GUICtrlSetData($display_label, "Video")
        case 31
            GUICtrlSetData($display_label, "Teletext")
        case 64
            GUICtrlSetData($display_label, "Sleep")
        case 65
            GUICtrlSetData($display_label, ". (Dot)")
        case 66
            GUICtrlSetData($display_label, "Previous")
        case 67
            GUICtrlSetData($display_label, "Play/Pause")
        case 68
            GUICtrlSetData($display_label, "Next")
        case 69
            GUICtrlSetData($display_label, "Time Shifting")
        case 70
            GUICtrlSetData($display_label, "Stop")
        case 71
            GUICtrlSetData($display_label, "Rec")
        case 72
            GUICtrlSetData($display_label, "(M) SnapShot")
        case 73
            GUICtrlSetData($display_label, "Boss Key")
        case 74
            GUICtrlSetData($display_label, "Pic. in Pic.")
        case 75
            GUICtrlSetData($display_label, "Red color")
        case 76
            GUICtrlSetData($display_label, "Green color")
        case 77
            GUICtrlSetData($display_label, "Yellow color")
        case 78
            GUICtrlSetData($display_label, "Blue color")
        case 79
            GUICtrlSetData($display_label, "Menu")
        case 80
            GUICtrlSetData($display_label, "Cancel")
        case 81
            GUICtrlSetData($display_label, "Chan. Surf")
        case 82
            GUICtrlSetData($display_label, "[...]")
        case 83
            GUICtrlSetData($display_label, "EPG")
        case 84
            GUICtrlSetData($display_label, "Backward")
        case 85
            GUICtrlSetData($display_label, "Forward")
        case 1011 ;DVD or sometimes FM, so disable and not use is the best solution
        case Else
            GUICtrlSetData($display_label, "key for case: " & @CRLF & $wParam & @CRLF & "is not defined...")
    EndSwitch
    Return _WinAPI_DefWindowProc($hWnd, $iMsg, $wParam, $lParam)
EndFunc

;----------------------------------------------------------------------------------------
;             register class function and it's details/authors shown below
;           link: http://www.autoitscript.com/forum/index.php?showtopic=79575
;----------------------------------------------------------------------------------------

#cs

_WinAPI_RegisterClassEx($sClassName, $sCallbackFunction, $hIcon=0, $hCursor=0, $iBkColor=$COLOR_BTNFACE, $iStyle=$CS_DEFAULTSTYLE)

$sClassName -               Classname
$sCallbackFunction -        WindowProc callback function
$hIcon -                    Handle to a icon which will be be used as the window icon (Default = application icon)
$hCursor -                  Handle to cursor which will be used as the window cursor (Default = arraow cursor)
                                Use _WinAPI_LoadCursor() [also included with this UDF] to load a system cursor:
                                    
                                    $CURSOR_ARROW
                                    $CURSOR_IBEAM
                                    $CURSOR_WAIT
                                    $CURSOR_CROSS
                                    $CURSOR_UPARROW
                                    $CURSOR_SIZENWSE
                                    $CURSOR_SIZENESW
                                    $CURSOR_SIZEWE
                                    $CURSOR_SIZENS
                                    $CURSOR_SIZEALL
                                    $CURSOR_NO
                                    $CURSOR_APPSTARTING
                                    $CURSOR_HELP
                                    
                                    Example: _WinAPI_LoadCursor(0, $CURSOR_IBEAM)
                                    Do not use the $IDC_ constants declared in Constants.au3 

$iBkColor -                 RGB color code of window background color
$iStyle -                   Class style. A combination of these values: (Default = $CS_DEFAULTSTYLE)
                                
                                $CS_VREDRAW
                                $CS_HREDRAW
                                $CS_DBLCLKS
                                $CS_OWNDC
                                $CS_CLASSDC
                                $CS_PARENTDC
                                $CS_NOCLOSE
                                $CS_SAVEBITS
                                $CS_BYTEALIGNCLIENT
                                $CS_BYTEALIGNWINDOW
                                $CS_GLOBALCLASS
                                $CS_DROPSHADOW

Function: Creating a class which can be used with CreateWindowEx, and others

Author: Original -          amel27
        Working version -   Kip

#ce

Func _WinAPI_RegisterClassEx($sClassName, $sCallbackFunction="", $hIcon=0, $hCursor=0, $iBkColor=$COLOR_BTNFACE, $iStyle=$CS_DEFAULTSTYLE)
    
    If not $hIcon Then
        Local $aIcon = DllCall("user32.dll", "hwnd", "LoadIcon", "hwnd", 0, "int", $IDI_APPLICATION)
        $hIcon = $aIcon[0]
    EndIf
    
    If not $hCursor Then
        $hCursor = _WinAPI_LoadCursor(0,$CURSOR_ARROW)
    EndIf
    
    local   $hWndProc = DLLCallbackRegister ($sCallbackFunction, "int", "hwnd;int;wparam;lparam")
    Local   $pCallback = DllCallbackGetPtr($hWndProc)
    
    Local $tWndClassEx = DllStructCreate("uint cbSize;uint style;ptr lpfnWndProc;int cbClsExtra;int cbWndExtra;hwnd hInstance;hwnd hIcon;hwnd hCursor;hwnd hbrBackground;ptr lpszMenuName;ptr lpszClassName;hwnd hIconSm")
    Local $tClassName = DllStructCreate("char["& StringLen($sClassName)+1 &"]")
    DllStructSetData($tClassName, 1, $sClassName)
    
    DllStructSetData($tWndClassEx, "cbSize", DllStructGetSize($tWndClassEx) )
    DllStructSetData($tWndClassEx, "style", $iStyle)
    DllStructSetData($tWndClassEx, "lpfnWndProc", $pCallback)
    DllStructSetData($tWndClassEx, "hInstance", _WinAPI_GetModuleHandle(""))
    DllStructSetData($tWndClassEx, "hIcon", $hIcon)
    DllStructSetData($tWndClassEx, "hCursor", $hCursor)
    DllStructSetData($tWndClassEx, "hbrBackground", _WinAPI_CreateSolidBrush(RGB_to_BGR($iBkColor)))
    DllStructSetData($tWndClassEx, "lpszClassName", DllStructGetPtr($tClassName))
    DllStructSetData($tWndClassEx, "hIconSm", $hIcon)
    
    Local $aRet = DllCall("user32.dll", "dword", "RegisterClassExA", "ptr", DllStructGetPtr($tWndClassEx) )
    
    Return $aRet[0]
    
EndFunc


Func _WinAPI_UnregisterClass($sClassName)
    
    Local $aRet = DllCall("user32.dll", "int", "UnregisterClassA", "str", $sClassName, "hwnd", _WinAPI_GetModuleHandle(""))
    Return $aRet[0]
    
EndFunc


Func _WinAPI_LoadCursor($hInstance, $iCursor)
    $GuiCursor = DllCall("user32.dll", "hwnd", "LoadCursor", "hwnd", $hInstance, "int", $iCursor)
    Return $GuiCursor[0]
EndFunc

Func RGB_to_BGR($BRG)
    
    $b = BitAND(BitShift($BRG, 16), 0xFF)
    $g = BitAND(BitShift($BRG, 8), 0xFF)
    $r = BitAND($BRG, 0xFF)
    
    Return "0x"&Hex($r,2)&Hex($g,2)&Hex($b,2)
EndFunc

...would be great if some leadtek TV card owners could test ;]

Edited by sandin
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  • 4 weeks later...

I have a Leadtek 3200H. This works perfectly. I decided to make it control iTunes for me using this udf...

#include <WinAPI.au3>
#include <WindowsConstants.au3>
#include <GUIConstantsEx.au3>
#include <Constants.au3>
#include <iTunes.au3>

;Start iTunes
_iTunes_Start()

;choose the class which depends on your PVR you're using. PVR1 = "Alec@Video(^0^)", PVR2 and higher = "Alec@DVBT(^_^)"

;~ Global $class = "Alec@Video(^0^)" ;for pvr1
Global $class = "Alec@DVBT(^_^)" ;for pvr2 and up
Global $enabled = True

Global Const $CS_VREDRAW = 0x0001;
Global Const $CS_HREDRAW = 0x0002;
Global Const $CS_DBLCLKS = 0x0008;
Global Const $CS_OWNDC = 0x0020;
Global Const $CS_CLASSDC = 0x0040;
Global Const $CS_PARENTDC = 0x0080;
Global Const $CS_NOCLOSE = 0x0200;
Global Const $CS_SAVEBITS = 0x0800;
Global Const $CS_BYTEALIGNCLIENT = 0x1000;
Global Const $CS_BYTEALIGNWINDOW = 0x2000;
Global Const $CS_GLOBALCLASS = 0x4000;
Global Const $CS_DROPSHADOW = 0x00020000;

Global Const $CS_DEFAULTSTYLE = BitOR($CS_VREDRAW, $CS_HREDRAW)
Global Const $CW_USEDEFAULT = 0x80000000

;#CS
Global Const $CURSOR_ARROW = 32512
Global Const $CURSOR_IBEAM = 32513
Global Const $CURSOR_WAIT = 32514
Global Const $CURSOR_CROSS = 32515
Global Const $CURSOR_UPARROW = 32516
Global Const $CURSOR_SIZENWSE = 32642
Global Const $CURSOR_SIZENESW = 32643
Global Const $CURSOR_SIZEWE = 32644
Global Const $CURSOR_SIZENS = 32645
Global Const $CURSOR_SIZEALL = 32646
Global Const $CURSOR_NO = 32648
Global Const $CURSOR_APPSTARTING = 32650
Global Const $CURSOR_HELP = 32651
;#CE

$iVolume = 10

_WinAPI_RegisterClassEx($class, "WindowCallback", 0, 0, -1, $CS_DEFAULTSTYLE) ;registering window class which is designed to recieve PVR's remote ctrl commands, and setting up a func. for hooking msges from that class (this last require a window, that's why we have next line)
$hWnd = _WinAPI_CreateWindowEx(0, $class, "REMOTE CONTROL", $WS_OVERLAPPEDWINDOW, @DesktopWidth + 500, @DesktopHeight + 500, 0, 0, 0) ;creating a window with registered class (required, but doesn't need to be shown)

While 1
    Sleep(10)
WEnd

Func _WinGetClassName($hWnd)
    $x = DllCall("user32.dll", "int", "GetClassName", "hWnd", $hWnd, "str", "", "int", 64) ;getting classname of a window
    If Not @error And $x[0] <> 0 Then Return $x[2]
    Return ""
EndFunc   ;==>_WinGetClassName

Func WindowCallback($hWnd, $iMsg, $wParam, $lParam) ;callback func. for recieving msges
    Switch $iMsg
        Case $WM_CLOSE
            _WinAPI_UnregisterClass($class)
            Exit
    EndSwitch
    Switch $wParam ;set your functions here: (this is the part that recognize your remote ctrl keys)
        Case 4
            _iTunes_Vol_Up($iVolume)
        Case 8
            _iTunes_Vol_Down($iVolume)
        Case 20
            _iTunes_Mute()
        Case 66
            _iTunes_Prev()
        Case 67
            _iTunes_Play_Pause()
        Case 68
            _iTunes_Next()
        Case 70
            _iTunes_Play_Pause()
        Case 84
            _iTunes_Prev()
        Case 85
            _iTunes_Next()
    EndSwitch
    Return _WinAPI_DefWindowProc($hWnd, $iMsg, $wParam, $lParam)
EndFunc   ;==>WindowCallback

;----------------------------------------------------------------------------------------
;             register class function and it's details/authors shown below
;           link: http://www.autoitscript.com/forum/index.php?showtopic=79575
;----------------------------------------------------------------------------------------

#cs

    _WinAPI_RegisterClassEx($sClassName, $sCallbackFunction, $hIcon=0, $hCursor=0, $iBkColor=$COLOR_BTNFACE, $iStyle=$CS_DEFAULTSTYLE)

    $sClassName -               Classname
    $sCallbackFunction -        WindowProc callback function
    $hIcon -                    Handle to a icon which will be be used as the window icon (Default = application icon)
    $hCursor -                  Handle to cursor which will be used as the window cursor (Default = arraow cursor)
    Use _WinAPI_LoadCursor() [also included with this UDF] to load a system cursor:

    $CURSOR_ARROW
    $CURSOR_IBEAM
    $CURSOR_WAIT
    $CURSOR_CROSS
    $CURSOR_UPARROW
    $CURSOR_SIZENWSE
    $CURSOR_SIZENESW
    $CURSOR_SIZEWE
    $CURSOR_SIZENS
    $CURSOR_SIZEALL
    $CURSOR_NO
    $CURSOR_APPSTARTING
    $CURSOR_HELP

    Example: _WinAPI_LoadCursor(0, $CURSOR_IBEAM)
    Do not use the $IDC_ constants declared in Constants.au3

    $iBkColor -                 RGB color code of window background color
    $iStyle -                   Class style. A combination of these values: (Default = $CS_DEFAULTSTYLE)

    $CS_VREDRAW
    $CS_HREDRAW
    $CS_DBLCLKS
    $CS_OWNDC
    $CS_CLASSDC
    $CS_PARENTDC
    $CS_NOCLOSE
    $CS_SAVEBITS
    $CS_BYTEALIGNCLIENT
    $CS_BYTEALIGNWINDOW
    $CS_GLOBALCLASS
    $CS_DROPSHADOW

    Function: Creating a class which can be used with CreateWindowEx, and others

    Author: Original -          amel27
    Working version -   Kip

#ce

Func _WinAPI_RegisterClassEx($sClassName, $sCallbackFunction = "", $hIcon = 0, $hCursor = 0, $iBkColor = $COLOR_BTNFACE, $iStyle = $CS_DEFAULTSTYLE)

    If Not $hIcon Then
        Local $aIcon = DllCall("user32.dll", "hwnd", "LoadIcon", "hwnd", 0, "int", $IDI_APPLICATION)
        $hIcon = $aIcon[0]
    EndIf

    If Not $hCursor Then
        $hCursor = _WinAPI_LoadCursor(0, $CURSOR_ARROW)
    EndIf

    Local $hWndProc = DllCallbackRegister($sCallbackFunction, "int", "hwnd;int;wparam;lparam")
    Local $pCallback = DllCallbackGetPtr($hWndProc)

    Local $tWndClassEx = DllStructCreate("uint cbSize;uint style;ptr lpfnWndProc;int cbClsExtra;int cbWndExtra;hwnd hInstance;hwnd hIcon;hwnd hCursor;hwnd hbrBackground;ptr lpszMenuName;ptr lpszClassName;hwnd hIconSm")
    Local $tClassName = DllStructCreate("char[" & StringLen($sClassName) + 1 & "]")
    DllStructSetData($tClassName, 1, $sClassName)

    DllStructSetData($tWndClassEx, "cbSize", DllStructGetSize($tWndClassEx))
    DllStructSetData($tWndClassEx, "style", $iStyle)
    DllStructSetData($tWndClassEx, "lpfnWndProc", $pCallback)
    DllStructSetData($tWndClassEx, "hInstance", _WinAPI_GetModuleHandle(""))
    DllStructSetData($tWndClassEx, "hIcon", $hIcon)
    DllStructSetData($tWndClassEx, "hCursor", $hCursor)
    DllStructSetData($tWndClassEx, "hbrBackground", _WinAPI_CreateSolidBrush(RGB_to_BGR($iBkColor)))
    DllStructSetData($tWndClassEx, "lpszClassName", DllStructGetPtr($tClassName))
    DllStructSetData($tWndClassEx, "hIconSm", $hIcon)

    Local $aRet = DllCall("user32.dll", "dword", "RegisterClassExA", "ptr", DllStructGetPtr($tWndClassEx))

    Return $aRet[0]

EndFunc   ;==>_WinAPI_RegisterClassEx


Func _WinAPI_UnregisterClass($sClassName)

    Local $aRet = DllCall("user32.dll", "int", "UnregisterClassA", "str", $sClassName, "hwnd", _WinAPI_GetModuleHandle(""))
    Return $aRet[0]

EndFunc   ;==>_WinAPI_UnregisterClass


Func _WinAPI_LoadCursor($hInstance, $iCursor)
    $GuiCursor = DllCall("user32.dll", "hwnd", "LoadCursor", "hwnd", $hInstance, "int", $iCursor)
    Return $GuiCursor[0]
EndFunc   ;==>_WinAPI_LoadCursor

Func RGB_to_BGR($BRG)

    $b = BitAND(BitShift($BRG, 16), 0xFF)
    $g = BitAND(BitShift($BRG, 8), 0xFF)
    $r = BitAND($BRG, 0xFF)

    Return "0x" & Hex($r, 2) & Hex($g, 2) & Hex($b, 2)
EndFunc   ;==>RGB_to_BGR

Quick Easy and simple :D

Thanks!

Brett

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