Webcam.au3 (the udf)
AutoIt
#include <WindowsConstants.au3> #include-once $WM_CAP_START = 0x400 $WM_CAP_UNICODE_START = $WM_CAP_START +100 $WM_CAP_PAL_SAVEA = $WM_CAP_START + 81 $WM_CAP_PAL_SAVEW = $WM_CAP_UNICODE_START + 81 $WM_CAP_UNICODE_END = $WM_CAP_PAL_SAVEW $WM_CAP_ABORT = $WM_CAP_START + 69 $WM_CAP_DLG_VIDEOCOMPRESSION = $WM_CAP_START + 46 $WM_CAP_DLG_VIDEODISPLAY = $WM_CAP_START + 43 $WM_CAP_DLG_VIDEOFORMAT = $WM_CAP_START + 41 $WM_CAP_DLG_VIDEOSOURCE = $WM_CAP_START + 42 $WM_CAP_DRIVER_CONNECT = $WM_CAP_START + 10 $WM_CAP_DRIVER_DISCONNECT = $WM_CAP_START + 11 $WM_CAP_DRIVER_GET_CAPS = $WM_CAP_START + 14 $WM_CAP_DRIVER_GET_NAMEA = $WM_CAP_START + 12 $WM_CAP_DRIVER_GET_NAMEW = $WM_CAP_UNICODE_START + 12 $WM_CAP_DRIVER_GET_VERSIONA = $WM_CAP_START + 13 $WM_CAP_DRIVER_GET_VERSIONW = $WM_CAP_UNICODE_START + 13 $WM_CAP_EDIT_COPY = $WM_CAP_START + 30 $WM_CAP_END = $WM_CAP_UNICODE_END $WM_CAP_FILE_ALLOCATE = $WM_CAP_START + 22 $WM_CAP_FILE_GET_CAPTURE_FILEA = $WM_CAP_START + 21 $WM_CAP_FILE_GET_CAPTURE_FILEW = $WM_CAP_UNICODE_START + 21 $WM_CAP_FILE_SAVEASA = $WM_CAP_START + 23 $WM_CAP_FILE_SAVEASW = $WM_CAP_UNICODE_START + 23 $WM_CAP_FILE_SAVEDIBA = $WM_CAP_START + 25 $WM_CAP_FILE_SAVEDIBW = $WM_CAP_UNICODE_START + 25 $WM_CAP_FILE_SET_CAPTURE_FILEA = $WM_CAP_START + 20 $WM_CAP_FILE_SET_CAPTURE_FILEW = $WM_CAP_UNICODE_START + 20 $WM_CAP_FILE_SET_INFOCHUNK = $WM_CAP_START + 24 $WM_CAP_GET_AUDIOFORMAT = $WM_CAP_START + 36 $WM_CAP_GET_CAPSTREAMPTR = $WM_CAP_START + 1 $WM_CAP_GET_MCI_DEVICEA = $WM_CAP_START + 67 $WM_CAP_GET_MCI_DEVICEW = $WM_CAP_UNICODE_START + 67 $WM_CAP_GET_SEQUENCE_SETUP = $WM_CAP_START + 65 $WM_CAP_GET_STATUS = $WM_CAP_START + 54 $WM_CAP_GET_USER_DATA = $WM_CAP_START + 8 $WM_CAP_GET_VIDEOFORMAT = $WM_CAP_START + 44 $WM_CAP_GRAB_FRAME = $WM_CAP_START + 60 $WM_CAP_GRAB_FRAME_NOSTOP = $WM_CAP_START + 61 $WM_CAP_PAL_AUTOCREATE = $WM_CAP_START + 83 $WM_CAP_PAL_MANUALCREATE = $WM_CAP_START + 84 $WM_CAP_PAL_OPENA = $WM_CAP_START + 80 $WM_CAP_PAL_OPENW = $WM_CAP_UNICODE_START + 80 $WM_CAP_PAL_PASTE = $WM_CAP_START + 82 $WM_CAP_SEQUENCE = $WM_CAP_START + 62 $WM_CAP_SEQUENCE_NOFILE = $WM_CAP_START + 63 $WM_CAP_SET_AUDIOFORMAT = $WM_CAP_START + 35 $WM_CAP_SET_CALLBACK_CAPCONTROL = $WM_CAP_START + 85 $WM_CAP_SET_CALLBACK_ERRORA = $WM_CAP_START + 2 $WM_CAP_SET_CALLBACK_ERRORW = $WM_CAP_UNICODE_START + 2 $WM_CAP_SET_CALLBACK_FRAME = $WM_CAP_START + 5 $WM_CAP_SET_CALLBACK_STATUSA = $WM_CAP_START + 3 $WM_CAP_SET_CALLBACK_STATUSW = $WM_CAP_UNICODE_START + 3 $WM_CAP_SET_CALLBACK_VIDEOSTREAM = $WM_CAP_START + 6 $WM_CAP_SET_CALLBACK_WAVESTREAM = $WM_CAP_START + 7 $WM_CAP_SET_CALLBACK_YIELD = $WM_CAP_START + 4 $WM_CAP_SET_MCI_DEVICEA = $WM_CAP_START + 66 $WM_CAP_SET_MCI_DEVICEW = $WM_CAP_UNICODE_START + 66 $WM_CAP_SET_OVERLAY = $WM_CAP_START + 51 $WM_CAP_SET_PREVIEW = $WM_CAP_START + 50 $WM_CAP_SET_PREVIEWRATE = $WM_CAP_START + 52 $WM_CAP_SET_SCALE = $WM_CAP_START + 53 $WM_CAP_SET_SCROLL = $WM_CAP_START + 55 $WM_CAP_SET_SEQUENCE_SETUP = $WM_CAP_START + 64 $WM_CAP_SET_USER_DATA = $WM_CAP_START + 9 $WM_CAP_SET_VIDEOFORMAT = $WM_CAP_START + 45 $WM_CAP_SINGLE_FRAME = $WM_CAP_START + 72 $WM_CAP_SINGLE_FRAME_CLOSE = $WM_CAP_START + 71 $WM_CAP_SINGLE_FRAME_OPEN = $WM_CAP_START + 70 $WM_CAP_STOP = $WM_CAP_START + 68 #include <GUIConstants.au3> $avi = DllOpen("avicap32.dll") $user = DllOpen("user32.dll") ;=============================================================================== ; ; Description: Open's a webcam preview screen in your gui ; Syntax: _WebcamOpen($sHwnd, $sLeft, $sTop, $sWidth, $sHeight, $sPort=0) ; Parameter(s): $sHwnd - The handle of the gui ; $sLeft - Left coord. of the preview screen ; $sTop - Top coord. of the preview screen ; $sWidth - Width of the preview screen ; $sHeight - Height of the preview screen ; $sPort - Specify wich webcam port you want to use (for multiple webcams) ; Requirement(s): A webcam ; Return Value(s): On Success - Returns id needed for other controls ; On Failure - Returns -1 ; Author(s): Ludocus ; Note(s): If a black/blank screen shows up, try using different $sPort's (0 to 3) ; ;=============================================================================== Func _WebcamOpen($sHwnd, $sLeft, $sTop, $sWidth, $sHeight, $sPort=0) $cap = DllCall($avi, "int", "capCreateCaptureWindow", "str", "cap", "int", BitOR($WS_CHILD,$WS_VISIBLE), "int", $sLeft, "int", $sTop, "int", $sWidth, "int", $sHeight, "hwnd", $sHwnd, "int", 1) DllCall($user, "int", "SendMessage", "hWnd", $cap[0], "int", $WM_CAP_DRIVER_CONNECT, "int", $sPort, "int", 0) DllCall($user, "int", "SendMessage", "hWnd", $cap[0], "int", $WM_CAP_SET_SCALE, "int", 1, "int", 0) DllCall($user, "int", "SendMessage", "hWnd", $cap[0], "int", $WM_CAP_SET_OVERLAY, "int", 1, "int", 0) DllCall($user, "int", "SendMessage", "hWnd", $cap[0], "int", $WM_CAP_SET_PREVIEW, "int", 1, "int", 0) DllCall($user, "int", "SendMessage", "hWnd", $cap[0], "int", $WM_CAP_SET_PREVIEWRATE, "int", 1, "int", 0) if @error then return -1 return $cap[0] EndFunc ;=============================================================================== ; ; Description: Creates a Snapshot from a webcam ; Syntax: _WebcamSnap($sId, $sFile) ; Parameter(s): $sId - Id (returned from _WebcamOpen) ; $sFile - File to save the snapshot to (*.bmp) ; Requirement(s): A webcam ; Return Value(s): On Success - Returns 1 ; On Failure - Returns 0 ; Author(s): Ludocus ; Note(s): None ; ;=============================================================================== Func _WebcamSnap($sId, $sFile) DllCall($user, "int", "SendMessage", "hWnd", $sId, "int", $WM_CAP_SET_CALLBACK_FRAME, "int", 0, "int", 0) DllCall($user, "int", "SendMessage", "hWnd", $sId, "int", $WM_CAP_GRAB_FRAME_NOSTOP, "int", 0, "int", 0) DllCall($user, "int", "SendMessage", "hWnd", $sId, "int", $WM_CAP_FILE_SAVEDIBA, "int", 0, "str", $sFile) if @error Then return 0 Else return 1 EndIf EndFunc ;=============================================================================== ; ; Description: Closes the preview screen created with _WebcamOpen ; Syntax: _WebcamClose($sId) ; Parameter(s): $sId - Id (returned from _WebcamOpen) ; Requirement(s): A webcam ; Return Value(s): On Success - Returns 1 ; On Failure - Returns 0 ; Author(s): Ludocus ; Note(s): None ; ;=============================================================================== Func _WebcamClose($sId) DllCall($user, "int", "SendMessage", "hWnd", $sId, "int", $WM_CAP_END, "int", 0, "int", 0) DllCall($user, "int", "SendMessage", "hWnd", $sId, "int", $WM_CAP_DRIVER_DISCONNECT, "int", 0, "int", 0) DllClose($user) if @error Then return 0 Else return 1 EndIf EndFunc ;=============================================================================== ; ; Description: Starts recording the webcam to a file ; Syntax: _WebcamRecordStart($sFile, $sId) ; Parameter(s): $sId - Id (returned from _WebcamOpen) ; $sFile - File to save the movie to (*.avi) ; Requirement(s): A webcam ; Return Value(s): On Success - Returns 1 ; On Failure - Returns 0 ; Author(s): Ludocus ; Note(s): Stop recording by: _WebcamRecordStop($Id) ; ;=============================================================================== Func _WebcamRecordStart($sFile, $sId) DllCall($user, "int", "SendMessage", "hWnd", $sId, "int", $WM_CAP_FILE_SET_CAPTURE_FILEA, "int", 0, "str", $sFile) DllCall($user, "int", "SendMessage", "hWnd", $sId, "int", $WM_CAP_SEQUENCE, "int", 0, "int", 0) if @error Then return 0 Else return 1 EndIf EndFunc ;=============================================================================== ; ; Description: Stops recording. ; Syntax: _WebcamRecordStop($sId) ; Parameter(s): $sId - Id (returned from _WebcamOpen) ; Requirement(s): A webcam ; Return Value(s): On Success - Returns 1 ; On Failure - Returns 0 ; Author(s): Ludocus ; Note(s): None ; ;=============================================================================== Func _WebcamRecordStop($sId) DllCall($user, "int", "SendMessage", "hWnd", $sId, "int", $WM_CAP_STOP, "int", 0, "int", 0) if @error Then return 0 Else return 1 EndIf EndFunc
thnx to rysiora with his great example!
Edited by ludocus, 25 February 2011 - 12:13 PM.
