/**\brief Tear down a C1394Camera Instance
* \ingroup camcore
*
* Besides typical freeing of resources, this also calls StopImageAcquisition()
* if necessary to disable the camera streaming and free kernel-side resources
* as well.
*/
C1394Camera::~C1394Camera()
{
int i;
DllTrace(DLL_TRACE_ENTER,"ENTER C1394Camera Destructor\n");
if(m_hDevInfo != INVALID_HANDLE_VALUE)
SetupDiDestroyDeviceInfoList(m_hDevInfo);
if(m_hDeviceAcquisition != INVALID_HANDLE_VALUE)
StopImageAcquisition();
// nuke the strobe controls
for(i=0; i<FEATURE_NUM_FEATURES; i++)
if(this->m_pControls[i] != NULL)
delete m_pControls[i];
if(m_pControlTrigger)
delete m_pControlTrigger;
if(m_pControlSize)
delete m_pControlSize;
// nuke the strobe controls
for(i=0; i<4; i++)
if(this->m_controlStrobes[i] != NULL)
delete m_controlStrobes[i];
DllTrace(DLL_TRACE_EXIT,"EXIT C1394Camera Destructor\n");
}
/**\brief Read the Feature Status Register
* \param pRawData If non-NULL, the raw 32-bits of the status register will be copied here
* \return Essentially the same as C1394Camera::ReadQuadlet()
*
* This Reads the feature status register determined by m_offset into m_StatusReg.
* If absolute control is active, the current absolute values is read into m_absval
*
* Note: This is the only way to read these variables from the camera. All other accessors
* (StatusStuff, GetValue) simply return the values in the class members.
*/
int C1394CameraControl::Status(unsigned long *pRawData)
{
unsigned long *pulBits = (unsigned long *)&this->m_StatusReg;
int ret;
if((ret = m_pCamera->ReadQuadlet(m_statusoffset, pulBits) != CAM_SUCCESS))
{
DllTrace(DLL_TRACE_ERROR,"C1394CameraControl::Status: error %d on ReadQuadlet\n", ret);
return ret;
}
if(m_InquiryReg.absctl && m_StatusReg.absctl)
{
if((ret = m_pCamera->ReadQuadlet(m_absctloffset + 0x8, (unsigned long *)&m_absval) != CAM_SUCCESS))
{
DllTrace(DLL_TRACE_ERROR,"C1394CameraControl::Inquire: error %d on ReadQuadlet(%08x)\n", ret,m_absctloffset + 0x8);
return ret;
}
}
if(pRawData)
*pRawData = *pulBits;
DllTrace(DLL_TRACE_EXIT,"EXIT Control::Status@0x%02x: %08x\n", m_offset,*pulBits);
return ret;
}
/**\brief Mutator for the current image size
* \param width The horizontal size to set
* \param height The vertical size to set
* \return
* - CAM_ERROR_NOT_INITIALIZED if format 7 and a valid mode are not selected in the container camera
* - CAM_ERROR_PARAM_OUT_OF_RANGE if the provided size is either too large or is not a multiple of the size units
* - Other errors: bad things happened in WriteQuadlet
*
* Size overrides position, so if the current position is outside the bounds of
*/
int C1394CameraControlSize::SetSize(unsigned short width, unsigned short height)
{
unsigned short maxh,maxv;
unsigned short hunit,vunit;
unsigned short top,left;
int ret = CAM_SUCCESS; //SR
DllTrace(DLL_TRACE_ENTER,"ENTER ControlSize::SetSize(%d,%d)\n",width,height);
if(m_offset == 0)
{
ret = CAM_ERROR_NOT_INITIALIZED;
goto _exit;
}
this->GetSizeLimits(&maxh,&maxv);
this->GetSizeUnits(&hunit,&vunit);
if(hunit == 0 || vunit == 0)
{
DllTrace(DLL_TRACE_ERROR,"ControlSize::SetSize: Broken Invariants: Size Units %d,%d\n",hunit,vunit);
ret = CAM_ERROR;
goto _exit;
}
if( width == 0 || height == 0 ||
width > maxh || height > maxv ||
(width % hunit) != 0 || (height % vunit) != 0)
{
DllTrace(DLL_TRACE_ERROR,"ControlSize::SetSize: Invalid parameter(s): %d,%d\n",width,height);
ret = CAM_ERROR_PARAM_OUT_OF_RANGE;
goto _exit;
}
// if we get here, the parameters are okay, so push the private register down
m_StaImageSize = width;
m_StaImageSize <<= 16;
m_StaImageSize += height;
if((ret = m_pCamera->WriteQuadlet(m_offset + 0x00C,m_StaImageSize)) != CAM_SUCCESS)
goto _exit;
// and check the position for consistency
this->GetPos(&left,&top);
this->GetPosLimits(&maxh,&maxv);
if(left > maxh)
left = maxh;
if(top > maxv)
top = maxv;
if((ret = this->SetPos(left,top)) != CAM_SUCCESS)
goto _exit;
// SetSize mods the Tier 1 registers
ret = this->UpdateTier1(TRUE);
_exit:
if(ret != CAM_SUCCESS)
DllTrace(DLL_TRACE_ERROR,"ControlSize::SetSize: Error %d\n",ret);
DllTrace(DLL_TRACE_EXIT,"EXIT ControlSize::SetSize(%d)\n",ret);
return ret;
}
/**\brief Trigger the transfer of exactly one frame from the camera
* \ingroup camcore
* \return CAM_SUCCESS if successful, CAM_ERROR otherwise
*
* This function is a wrapper for an otherwise simple procedure. Maybe it should
* be inlined and just return whatever the WriteRegister returns
*
* This function is currently not used by anything at all because it does not integrate
* cleanly with the acquisition code.
*/
int C1394Camera::OneShot()
{
ULONG ulRet;
int retval = CAM_SUCCESS;
DllTrace(DLL_TRACE_ENTER,"ENTER OneShot\n");
if((ulRet = WriteQuadlet(0x61c,0x80000000)) != 0)
{
DllTrace(DLL_TRACE_ERROR,"OneShot: error %08x on WriteQuadlet(0x61c)\n",ulRet);
retval = CAM_ERROR;
}
DllTrace(DLL_TRACE_EXIT,"EXIT OneShot (%d)\n",retval);
return retval;
}
/**\brief Disable continuous streaming of camera data.
* \ingroup camcore
* \return CAM_SUCCESS if successful, CAM_ERROR otherwise
*
* This is essentially a one-liner that is referenced from one place and may soon be removed
*/
int C1394Camera::StopVideoStream()
{
ULONG ulRet;
int retval = CAM_SUCCESS;
DllTrace(DLL_TRACE_ENTER,"ENTER StopVideoStream\n");
if((ulRet = WriteQuadlet(0x614,0x00000000)) != 0)
{
DllTrace(DLL_TRACE_ERROR,"StopVideoStream: error %08x on WriteQuadlet(0x614)\n",ulRet);
retval = CAM_ERROR;
}
DllTrace(DLL_TRACE_EXIT,"EXIT StopVideoStream (%d)\n",retval);
return retval;
}
/**\brief Display a modeless dialog to all the C1394CameraControl members of a C1394Camera class
* \ingroup dialogs
* \param hWndParent The parent window for this instance
* \param pCamera Pointer to the camera to be controlled
* \param bLoadDefaultView If TRUE, load the default control selections from the registry
* \return HWND to the control window, NULL on error. GetLastError() should be handy.
*
* Note that this is modeless and thus allows multiple control windows to be
* open for multiple cameras. Also note that you must provide your own message pump.
*/
HWND
CAMAPI
CameraControlDialog(
HWND hWndParent,
C1394Camera *pCamera,
BOOL bLoadDefaultView
)
{
HWND hWnd;
WNDCLASSEX wcex;
DllTrace(DLL_TRACE_ENTER,"ENTER CameraControlDialog(%08x,%08x)\n",
hWndParent,
pCamera);
// we need common controls for the slider class to work
InitCommonControls();
// register the window class
ZeroMemory(&wcex,sizeof(WNDCLASSEX));
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = (WNDPROC)ControlDialogWndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = g_hInstDLL;
wcex.hIcon = LoadIcon(g_hInstDLL, (LPCTSTR)IDR_ICON1);
wcex.hIconSm = LoadIcon(g_hInstDLL, (LPCTSTR)IDR_ICON1);
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_3DFACE+1);
wcex.lpszMenuName = (LPCSTR)IDR_CONTROL_MENU;
wcex.lpszClassName = "1394 Control Panes Dialog Class";
RegisterClassEx(&wcex);
// Init the instance
hWnd = InitControlDialogInstance (g_hInstDLL, hWndParent, pCamera);
if(bLoadDefaultView)
{
DllTrace(DLL_TRACE_CHECK,"CameraControlDialog: Loading Default View\n");
SendMessage(hWnd,WM_COMMAND,MAKELONG(ID_FILE_LOADDEFAULTVIEW,0),0);
}
DllTrace(DLL_TRACE_EXIT,"EXIT CameraControlDialog(%08x)\n",hWnd);
return hWnd;
}
/**\brief Set the number of bytes per packet
* \param bpp The number to set
* \return
* - CAM_ERROR_NOT_INITIALIZED if format 7 and a valid mode are not selected in the container camera
* - CAM_ERROR_PARAM_OUT_OF_RANGE <i>bpp</i> is either out of bounds or does not conform to the required increments
* - Other errors: bad things happened in WriteQuadlet
*
* This is roughly analagous to setting the frame rate for most cameras supporting format 7
*/
int C1394CameraControlSize::SetBytesPerPacket(unsigned short bpp)
{
unsigned short min,max;
int ret;
if(this->m_offset == NULL)
return CAM_ERROR_NOT_INITIALIZED;
this->GetBytesPerPacketRange(&min,&max);
if( min == 0 || max == 0 ||
bpp < min || bpp > max ||
(bpp % min) != 0)
{
DllTrace(DLL_TRACE_ERROR,"ControlSize::SetBytesPerPacket: Invalid Parameter (%d)\n",bpp);
return CAM_ERROR_PARAM_OUT_OF_RANGE;
}
this->m_StaBytesPerPacket &= 0x0000FFFF;
this->m_StaBytesPerPacket |= ((unsigned long)bpp)<<16;
if((ret = m_pCamera->WriteQuadlet(m_offset + 0x044,m_StaBytesPerPacket)) != CAM_SUCCESS)
return ret;
// twiddling BytesPerPacket affects Tier 2 registers
return UpdateTier2(TRUE);
}
/**\brief Initialize a Control instance
* \param pCamera The parent/container C1394Camera that this control class will operate on
* \param feature The ID of the feature to manipulate
*
* If a valid feature is passed in, this will retrieve and compute the appropriate offsets for
* the inquiry and status. If not (e.g. FEATURE_INVALID_FEATURE), then this step will be skipped
* so subclass constructors (e.g. C1394CameraControlStrobe have an opportunity to init them cleanly
*
* Also, bad things will happen if the parent camera pointer is invalid.
*/
C1394CameraControl::C1394CameraControl(C1394Camera *pCamera, CAMERA_FEATURE feature):
m_pCamera(pCamera),
m_feature(feature)
{
if(m_pCamera == NULL)
DllTrace(DLL_TRACE_ALWAYS,
"C1394CameraControl: Parent pointer is NULL while constructing %08x, bad things will happen\n",
this);
// nuke the registers and absstuff
*((unsigned long *)&this->m_InquiryReg) = 0;
*((unsigned long *)&this->m_StatusReg) = 0;
this->m_absmin = this->m_absmax = this->m_absval = 0.0f;
// look up the offset and such
if(m_feature >= FEATURE_BRIGHTNESS && m_feature < FEATURE_NUM_FEATURES)
{
this->m_offset = dc1394GetFeatureOffset(feature);
this->m_statusoffset = this->m_offset + FEATURE_STATUS_INDEX;
this->m_inquiryoffset = this->m_offset + FEATURE_INQUIRY_INDEX;
} else {
this->m_offset = 0;
this->m_statusoffset = 0;
this->m_inquiryoffset = 0;
}
}
/**\brief Trigger the transfer of exactly <i>N</i> frames from the camera
* \param count The number of frames to transfer (0 to stop a running multishot)
* \ingroup camcore
* \return CAM_SUCCESS if successful, CAM_ERROR otherwise
*
* This function is a wrapper for an otherwise simple procedure. Maybe it should
* be inlined and just return whatever the WriteRegister returns
*
* This function is currently not used by anything at all because it does not integrate
* cleanly with the acquisition code.
*
* Also, MultiShot() should be implemented
*/
int C1394Camera::MultiShot(unsigned short count)
{
ULONG ulRet,ulData;
int retval = CAM_SUCCESS;
DllTrace(DLL_TRACE_ENTER,"ENTER MultiShot\n");
ulData = (ULONG) count; // count in the low 16 bits
if(count != 0)(ulData |= 0x40000000); // bit 1 (second-to-highest) enables multishot
DllTrace(DLL_TRACE_CHECK,"MultiShot: Writing 0x%08x to %03x\n",ulData,0x61c);
if((ulRet = WriteQuadlet(0x61c,ulData)) != 0)
{
DllTrace(DLL_TRACE_ERROR,"MultiShot: error %08x on WriteQuadlet(0x61c)\n",ulRet);
retval = CAM_ERROR;
}
DllTrace(DLL_TRACE_EXIT,"EXIT MultiShot (%d)\n",retval);
return retval;
}
/**\brief Mutator for the current image position
* \param left The horizontal position to set
* \param top The vertical position to set
* \return
* - CAM_ERROR_NOT_INITIALIZED if format 7 and a valid mode are not selected in the container camera
* - CAM_ERROR_PARAM_OUT_OF_RANGE if the provided positions is either too large or is not a multiple of the position units
* - Other errors: bad things happened in WriteQuadlet
*
* Position does not affect anything other than itself
*/
int C1394CameraControlSize::SetPos(unsigned short left, unsigned short top)
{
unsigned short maxh,maxv;
unsigned short hunit,vunit;
int ret = CAM_SUCCESS;//SR
DllTrace(DLL_TRACE_ENTER,"ENTER ControlSize::SetPos(%d,%d)\n",left,top);
if(m_offset == 0)
{
ret = CAM_ERROR_NOT_INITIALIZED;
goto _exit;
}
this->GetSizeLimits(&maxh,&maxv);
this->GetPosUnits(&hunit,&vunit);
if(hunit == 0 || vunit == 0)
{
DllTrace(DLL_TRACE_ERROR,"ControlSize::SetPos: Broken Invariants: Pos Units %d,%d\n",hunit,vunit);
ret = CAM_ERROR;
goto _exit;
}
if( left > maxh || top > maxv ||
(left % hunit) != 0 || (top % vunit) != 0)
{
DllTrace(DLL_TRACE_ERROR,"ControlSize::SetPos: Invalid parameter(s): %d,%d\n",left,top);
ret = CAM_ERROR_PARAM_OUT_OF_RANGE;
goto _exit;
}
// if we get here, the parameters are okay, so push the private register down
m_StaImagePos = left;
m_StaImagePos <<= 16;
m_StaImagePos += top;
if((ret = m_pCamera->WriteQuadlet(m_offset + 0x008,m_StaImagePos)) != CAM_SUCCESS)
goto _exit;
_exit:
if(ret != CAM_SUCCESS)
DllTrace(DLL_TRACE_ERROR,"ControlSize::SetPos: Error %d\n",ret);
DllTrace(DLL_TRACE_EXIT,"EXIT ControlSize::SetPos(%d)\n",ret);
return ret;
}
/**\brief Check the PnP Subsystem for attached devices.
* \ingroup camcore
* \return
* - The number of cameras available, (zero if none)
* - CAM_ERROR: Some problem with a system call, check GetLastError()
*
* This function is meant to replace CheckLink(), as it is more semantically correct
*/
int C1394Camera::RefreshCameraList()
{
int ret = CAM_ERROR;
DllTrace(DLL_TRACE_ENTER,"ENTER RefreshCameraList\n");
if(m_hDevInfo != INVALID_HANDLE_VALUE)
SetupDiDestroyDeviceInfoList(m_hDevInfo);
m_dwDevCount = 0;
if((m_hDevInfo = t1394CmdrGetDeviceList()) == INVALID_HANDLE_VALUE)
{
DllTrace(DLL_TRACE_ERROR,"RefreshCameraList: Error on CmdrGetDeviceList\n");
} else {
// count devices
char buf[512];
int i;
ULONG sz = sizeof(buf);
for(i=0; ;i++)
{
sz = sizeof(buf);
if((ret = t1394CmdrGetDevicePath(m_hDevInfo,i,buf,&sz)) <= 0)
{
ret = (ret < 0 ? CAM_ERROR : i);
break;
}
DllTrace(DLL_TRACE_CHECK,"RefreshCameraList: Enum %d: %s\n",i,buf);
}
}
if(ret >= 0)
{
m_dwDevCount = ret;
} else {
DllTrace(DLL_TRACE_ERROR,"Error on getDevicePath:%d\n",GetLastError());
if(m_hDevInfo != INVALID_HANDLE_VALUE)
{
SetupDiDestroyDeviceInfoList(m_hDevInfo);
m_hDevInfo = INVALID_HANDLE_VALUE;
}
}
DllTrace(DLL_TRACE_EXIT,"EXIT RefreshCameraList (%d)\n",ret);
return ret;
}
/**\brief Read the Feature Inquiry Register
* \param pRawData If non-NULL, the raw 32-bits of the inquiry register will be copied here
* \return Essentially the same as C1394Camera::ReadQuadlet()
*
* This Reads the feature inquiry register determined by m_inquiryoffset into m_InquiryReg.
* If absolute control is supported, the min and max absolute values are
* read into m_absmin and m_absmax respectively.
*
* Note: This is the only way to read these registers from the camera. All other accessors
* (HasStuff, GetRange) simply return the values in the class members.
*/
int C1394CameraControl::Inquire(unsigned long *pRawData)
{
unsigned long* pulBits = (unsigned long *)&this->m_InquiryReg;
int ret;
if((ret = m_pCamera->ReadQuadlet(m_inquiryoffset, pulBits) != CAM_SUCCESS))
{
DllTrace(DLL_TRACE_ERROR,"C1394CameraControl::Inquire: error %d on ReadQuadlet (Inquiry)\n", ret);
return ret;
}
if(m_InquiryReg.absctl)
{
/* has absolute value registers */
if((ret = m_pCamera->ReadQuadlet(m_offset + FEATURE_ABSCTL_INDEX, &m_absctloffset) != CAM_SUCCESS))
{
DllTrace(DLL_TRACE_ERROR,"C1394CameraControl::Inquire: error %d on ReadQuadlet (Abs Offset)\n", ret);
return ret;
}
// the returned offset is an absolute quadlet offset, requiring multiplication by 4 and a leading 0xF to work out
m_absctloffset = (m_absctloffset << 2) | 0xf0000000;
DllTrace(DLL_TRACE_CHECK,"C1394CameraControl: Control %04x has absolute offset %08x\n",m_offset,m_absctloffset);
// read min, max, val
if((ret = m_pCamera->ReadQuadlet(m_absctloffset + 0x0, (unsigned long *)&m_absmin) != CAM_SUCCESS))
{
DllTrace(DLL_TRACE_ERROR,"C1394CameraControl::Inquire: error %d on ReadQuadlet(%08x)\n", ret,m_absctloffset + 0x0);
return ret;
}
if((ret = m_pCamera->ReadQuadlet(m_absctloffset + 0x4, (unsigned long *)&m_absmax) != CAM_SUCCESS))
{
DllTrace(DLL_TRACE_ERROR,"C1394CameraControl::Inquire: error %d on ReadQuadlet(%08x)\n", ret,m_absctloffset + 0x4);
return ret;
}
}
if(pRawData)
*pRawData = *pulBits;
return CAM_SUCCESS;
}
/**\brief Check the 1394 subsystem for any connected cameras.
* \ingroup camcore
* \return
* - CAM_SUCCESS: Found at least one camera and have selected camera 0
* - CAM_ERROR: Found no cameras on the 1394 bus(es)
*
* This function is now deprecated in favor of RefreshCameraList().
* It is maintained for backwards compatibility and will be removed
* in a future version.
*/
int C1394Camera::CheckLink()
{
DllTrace(DLL_TRACE_ENTER,"ENTER CheckLink\n");
if(RefreshCameraList() > 0)
{
SelectCamera(0);
m_linkChecked = true;
return 0;
}
return -1;
}
int C1394Camera::WriteQuadlet(unsigned long address, unsigned long data)
{
int ret = CAM_ERROR;
int nretries = 4;
DWORD dwRet;
DllTrace(DLL_TRACE_ENTER,"ENTER WriteQuadlet (%08x,%08x)\n",address,data);
if(!m_pName)
{
DllTrace(DLL_TRACE_ERROR,"WriteQuadlet: No Camera has been selected\n");
ret = CAM_ERROR_NOT_INITIALIZED;
goto _exit;
}
// we're gonna try this nretries times, looking for
// ERROR_SEM_TIMEOUT, which maps to STATUS_IO_TIMEOUT
// meaning that the camera can't keep up.
while((dwRet = WriteRegisterUL(m_pName,address,data)) != 0 && nretries > 0)
{
if(dwRet != ERROR_SEM_TIMEOUT)
// some other error, break out
break;
// Sleep for 10 ms
Sleep(10);
nretries--;
DllTrace(DLL_TRACE_WARNING,"WriteQuadlet: Warning: Timeout on WriteRegister@0x%08x. Retries Remaining: %d\n",
address,nretries);
}
if(dwRet != 0)
{
DllTrace(DLL_TRACE_ERROR,"WriteQuadlet: Unrecoverable error %08x on WriteRegisterUL\n",dwRet);
goto _exit;
}
ret = CAM_SUCCESS;
_exit:
DllTrace(DLL_TRACE_EXIT,"EXIT WriteQuadlet (%d)\n",ret);
return ret;
}
/**\brief Initialize and allocate the Isochronous resources necessary to start an isochronous
* streaming operation.
* \ingroup camcore
* \return TRUE if initialization was successful, false if not (check GetLastError())
*
* The information necessary to allocate stream resources is gleaned from the selected video modes
* this whole function may be converted to a single IOCTL code and moved into kernel land. There is
* no reason for userland to have any of this information.
*/
BOOL C1394Camera::InitResources()
{
ISOCH_STREAM_PARAMS StreamParams;
ULONG ulRet,ulData;
BOOL bRet = FALSE;
DllTrace(DLL_TRACE_ENTER,"ENTER InitResources\n");
// Tripping either of these would indicate some sort of broken invariant
// As they are also checked by StartImage*, which are the only functions
// that call this.
// however, we will check them anyway
if (!m_pName)
{
DllTrace(DLL_TRACE_ERROR,"InitResources: Error: No camera selected\n");
goto _exit;
}
if(m_hDeviceAcquisition != INVALID_HANDLE_VALUE)
{
DllTrace(DLL_TRACE_ERROR,"InitResources: Error: Camera is busy, stop image acquisition first\n");
goto _exit;
}
// for the hell of it, make sure the camera is free to be allocated
FreeResources();
ReadQuadlet(0x60c, &ulData);
if(this->m_AcquisitionFlags & ACQ_SUBSCRIBE_ONLY)
{
if(ulData & 0x00008000)
{
// 1394b mode
StreamParams.fulSpeed = 1 << (ulData & 0x0F);
StreamParams.nChannel = ((ulData>>8) & 0x0F);
} else {
/**\brief Get the a textual description of the camera indexed by <i>node</i>.
* \param node The node to describe
* \param buf The output buffer
* \param buflen The output buffer length;
* \ingroup camcore
* \return Length of the string, 0 for an invalid node
*
*
*/
int C1394Camera::GetNodeDescription(int node, char *buf, int buflen)
{
char *pout, *pin, *pend;
unsigned int sharps = 0;
if(this->m_hDevInfo)
{
if(t1394CmdrGetDevicePath(m_hDevInfo,node,buf,(unsigned long *)&buflen) <= 0)
{
DllTrace(DLL_TRACE_ERROR,"SelectCamera: Error on GetDevicePath (%d)\n",GetLastError());
return 0;
}
pin = pout = buf;
pend = pin + strlen(buf);
// the format is junk#vendor&model#ID#junk
// first sharp
while(pin < pend && sharps < 3)
{
if(*pin == '#')
{
sharps++;
if(sharps == 2)
{
*pout++ = ' ';
*pout++ = '(';
}
if(sharps == 3)
{
*pout++ = ')';
*pout = 0;
}
} else if(sharps > 0) {
if(*pin == '&')
*pin = ' ';
*pout++ = *pin;
}
pin++;
}
return (int)(pout - buf);
}
return 0;
}
/**\brief Initiailze a Size control
* \param pCamera The parent/container camera whose size os to be controlled
*/
C1394CameraControlSize::C1394CameraControlSize(C1394Camera *pCamera):m_pCamera(pCamera)
{
if(m_pCamera == NULL)
DllTrace(DLL_TRACE_ALWAYS,"ControlSize: Construction: parent camera pointer is invalid: bad things will happen!\n");
//SR
m_offset = 0;
m_InqMaxSize = 0;
m_InqUnitSize = 0;
m_InqColorCodes = 0;
m_InqUnitPos = 0;
m_StaImagePos = 0;
m_StaImageSize = 0;
m_StaColorCode = 0;
m_StaValueSetting = 0;
m_InqPixels = 0;
m_InqBytesHi = 0;
m_InqBytesLo = 0;
m_InqPacketParam = 0;
m_InqDataDepth = 0;
m_InqColorFilter = 0;
m_StaBytesPerPacket = 0;
m_InqPacketsPerFrame= 0;
m_InqFrameInterval = 0;
}
/**\brief Window procedure for the control dialog
* \ingroup dialogs
* \param hWnd The dialog window handle
* \param message The message to process
* \param wParam the window parameter
* \param lParam the (often unused) generic long parameter
*
* Duties:
* - menu items
* - load/save view settings to from/to registry
* - close the window
* - view menu toggles panes on and off
* - messages
* - paint: nothing (for now)
* - destroy: localfree the window extension structure
* - hscroll: scroll the panes back and forth
*/
LRESULT CALLBACK ControlDialogWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
int i;
PAINTSTRUCT ps;
HDC hdc;
HKEY hKey,hCSK;
DWORD dwRet,dwDisposition,dwFoo,dwSize = sizeof(DWORD),dwType = REG_DWORD;
SCROLLINFO si;
PCONTROL_WINDOW_EXTENSION pExt = (PCONTROL_WINDOW_EXTENSION) GetWindowLongPtr(hWnd,GWLP_USERDATA);
PCONTROL_PANE_EXTENSION pPaneExt;
C1394Camera *pCam;
C1394CameraControl *pControl;
char buf[256];
LRESULT lRetval = 0;
HWND hWndChild;
MSG msg;
LARGE_INTEGER UniqueID;
DllTrace(DLL_TRACE_ENTER,"ControlDialogProc(%08x,%08x,%08x,%08x)\n",
hWnd,
message,
wParam,
lParam);
/* to maintain reasonable encapsulation, we need to translate our own accelerator messages */
if(pExt)
{
msg.hwnd = hWnd;
msg.message = message;
msg.wParam = wParam;
msg.lParam = lParam;
TranslateAccelerator(hWnd,pExt->hAccel,&msg);
message = msg.message;
lParam = msg.lParam;
wParam = msg.wParam;
}
switch (message)
{
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case ID_CONTROL_POLLALL:
for(i=0; i<pExt->nPanes; i++)
{
if(pExt->PaneState[i])
SendDlgItemMessage(hWnd,ID_FIRST_CONTROL_PANE + i,WM_COMMAND,MAKELONG(IDC_BUT_POLL,0),0);
}
break;
case ID_FILE_LOADDEFAULTVIEW:
pCam = pExt->pCamera;
if(pCam)
{
if((hCSK = OpenCameraSettingsKey(NULL,0,KEY_ALL_ACCESS)) != NULL)
{
pCam->GetCameraUniqueID(&UniqueID);
StringCbPrintf(buf,sizeof(buf),"%08x%08x\\ControlPanes\\DefaultView",UniqueID.HighPart,UniqueID.LowPart);
dwRet = RegCreateKeyEx(hCSK,buf,0,NULL,REG_OPTION_NON_VOLATILE,KEY_ALL_ACCESS,NULL,&hKey,&dwDisposition);
if(dwRet == ERROR_SUCCESS)
{
if(dwDisposition == REG_CREATED_NEW_KEY)
{
// we made a new key, so we need to write the initial settings
for(i=0; i<pExt->nPanes; i++)
{
hWndChild = GetDlgItem(hWnd,ID_FIRST_CONTROL_PANE + i);
pPaneExt = (PCONTROL_PANE_EXTENSION) GetWindowLongPtr(hWndChild,GWLP_USERDATA);
dwFoo = 1;
dwRet = RegSetValueEx(hKey,pPaneExt->pane_name,0,REG_DWORD,(LPBYTE)&dwFoo,dwSize);
if(dwRet != ERROR_SUCCESS)
DllTrace(DLL_TRACE_ERROR,
"ControlDialogProc: Load Default View: error %d setting registry key for %s\n",
dwRet,pPaneExt->pane_name);
}
}
for(i=0; i<pExt->nPanes; i++)
{
hWndChild = GetDlgItem(hWnd,ID_FIRST_CONTROL_PANE + i);
pPaneExt = (PCONTROL_PANE_EXTENSION) GetWindowLongPtr(hWndChild,GWLP_USERDATA);
dwFoo = pExt->PaneState[i];
dwRet = RegQueryValueEx(hKey,pPaneExt->pane_name,0,&dwType,(LPBYTE)&(dwFoo),&dwSize);
if(dwRet != ERROR_SUCCESS)
DllTrace(DLL_TRACE_ERROR,
"ControlDialogProc: Load Default View: error %d setting registry key for %s\n",
dwRet,pPaneExt->pane_name);
CheckMenuItem(
GetMenu(hWnd),
ID_VIEW_CONTROL_START + i,
MF_BYCOMMAND | (dwFoo ? MF_CHECKED : MF_UNCHECKED));
pExt->PaneState[i] = (BOOL)dwFoo;
}
ShowControlPanes(hWnd,TRUE);
RegCloseKey(hKey);
} else {
DllTrace(DLL_TRACE_ERROR,"ControlPaneDlgProc: Load Default View: Error %08x on RegCreateKeyEx\n",dwRet);
}
RegCloseKey(hCSK);
} else {
DllTrace(DLL_TRACE_ERROR,"ControlPaneDlgProc: Failed to open camera settings key: %s",StrLastError());
}
} else {
// no camera: nothing to do
}
break;
case ID_FILE_SAVEDEFAULTVIEW:
pCam = pExt->pCamera;
if(pCam)
{
if((hCSK = OpenCameraSettingsKey(NULL,0,KEY_ALL_ACCESS)) != NULL)
{
pCam->GetCameraUniqueID(&UniqueID);
StringCbPrintf(buf,sizeof(buf),"%08x%08x\\ControlPanes\\DefaultView",UniqueID.HighPart,UniqueID.LowPart);
dwRet = RegCreateKeyEx(hCSK,buf,0,NULL,REG_OPTION_NON_VOLATILE,KEY_ALL_ACCESS,NULL,&hKey,&dwDisposition);
if(dwRet == ERROR_SUCCESS)
{
for(i=0; i<pExt->nPanes; i++)
{
hWndChild = GetDlgItem(hWnd,ID_FIRST_CONTROL_PANE + i);
pPaneExt = (PCONTROL_PANE_EXTENSION) GetWindowLongPtr(hWndChild,GWLP_USERDATA);
dwFoo = pExt->PaneState[i];
dwRet = RegSetValueEx(hKey,pPaneExt->pane_name,0,REG_DWORD,(LPBYTE)&dwFoo,dwSize);
if(dwRet != ERROR_SUCCESS)
DllTrace(DLL_TRACE_ERROR,
"ControlDialogProc: Save Default View: error %d setting registry key for %s\n",
dwRet,pPaneExt->pane_name);
}
RegCloseKey(hKey);
} else {
DllTrace(DLL_TRACE_ERROR,"ControlDialogProc: Save Default View: Error %d opening key %s\n",dwRet,buf);
}
RegCloseKey(hCSK);
} else {
DllTrace(DLL_TRACE_ERROR,"ControlPaneDlgProc: Failed to open camera settings key: %s",StrLastError());
}
} else {
// no camera, nothing to do
}
break;
case ID_FILE_CLOSE:
DestroyWindow(hWnd);
break;
case ID_VIEW_ALLCONTROLS:
for(i=0; i<pExt->nPanes; i++)
{
pExt->PaneState[i] = 1;
CheckMenuItem(
GetMenu(hWnd),
ID_VIEW_CONTROL_START + i,
MF_BYCOMMAND | MF_CHECKED);
}
ShowControlPanes(hWnd,TRUE);
break;
case ID_VIEW_STRICT_PRESENT:
for(i=0; i<pExt->nPanes; i++)
{
HWND hWndPanel = GetDlgItem(hWnd,ID_FIRST_CONTROL_PANE + i);
PCONTROL_PANE_EXTENSION pCPExt;
pCPExt = (PCONTROL_PANE_EXTENSION)GetWindowLongPtr(hWndPanel,GWLP_USERDATA);
pControl = pCPExt->pControl;
pExt->PaneState[i] =
(((pCPExt->flags & PIF_STROBE) != 0) || pExt->pCamera->HasFeature(pControl->GetFeatureID()) &&
pControl->HasPresence() &&
pControl->StatusPresence());
CheckMenuItem(
GetMenu(hWnd),
ID_VIEW_CONTROL_START + i,
MF_BYCOMMAND | (pExt->PaneState[i] ? MF_CHECKED : MF_UNCHECKED));
}
ShowControlPanes(hWnd,TRUE);
break;
case ID_VIEW_LOOSE_PRESENT:
for(i=0; i<pExt->nPanes; i++)
{
HWND hWndPanel = GetDlgItem(hWnd,ID_FIRST_CONTROL_PANE + i);
PCONTROL_PANE_EXTENSION pCPExt;
pCPExt = (PCONTROL_PANE_EXTENSION)GetWindowLongPtr(hWndPanel,GWLP_USERDATA);
pControl = pCPExt->pControl;
pExt->PaneState[i] = (pExt->pCamera->HasFeature(pControl->GetFeatureID()) ||
pControl->HasPresence() ||
pControl->StatusPresence());
CheckMenuItem(
GetMenu(hWnd),
ID_VIEW_CONTROL_START + i,
MF_BYCOMMAND | (pExt->PaneState[i] ? MF_CHECKED : MF_UNCHECKED));
}
ShowControlPanes(hWnd,TRUE);
break;
default:
if(wmId >= ID_VIEW_CONTROL_START && wmId < ID_VIEW_CONTROL_END)
{
// toggle a pane
i = wmId - ID_VIEW_CONTROL_START;
pExt->PaneState[i] ^= 1;
CheckMenuItem(
GetMenu(hWnd),
wmId,
MF_BYCOMMAND | (pExt->PaneState[i] ? MF_CHECKED : MF_UNCHECKED));
ShowControlPanes(hWnd,TRUE);
} else {
lRetval = DefWindowProc(hWnd, message, wParam, lParam);
}
} // switch(wmId)
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// TODO: Add any drawing code here...
EndPaint(hWnd, &ps);
break;
case WM_DESTROY:
DllTrace(DLL_TRACE_CHECK,"ControlDialogWndProc: WM_DESTROY: Freeing %08x\n",pExt);
DestroyAcceleratorTable(pExt->hAccel);
SetFocus(pExt->hWndParent);
LocalFree(pExt);
break;
case WM_HSCROLL:
si.cbSize = sizeof(SCROLLINFO);
si.fMask = SIF_ALL;
GetScrollInfo(hWnd,SB_HORZ,&si);
switch(LOWORD(wParam))
{
case SB_THUMBPOSITION:
si.nPos = si.nTrackPos;
break;
case SB_LEFT:
case SB_LINELEFT:
si.nPos -= 10;
break;
case SB_RIGHT:
case SB_LINERIGHT:
si.nPos += 10;
break;
case SB_PAGELEFT:
si.nPos -= si.nPage;
break;
case SB_PAGERIGHT:
si.nPos += si.nPage;
break;
}
si.fMask = SIF_POS;
pExt->trackpos = (LOWORD(wParam) == SB_THUMBTRACK ? si.nTrackPos : si.nPos);
if(pExt->trackpos < 0)
pExt->trackpos = 0;
if(pExt->trackpos >= (si.nMax - (int)si.nPage))
pExt->trackpos = si.nMax - si.nPage - 1;
SetScrollInfo(hWnd,SB_HORZ,&si,TRUE);
if(LOWORD(wParam) != SB_THUMBPOSITION)
ShowControlPanes(hWnd,FALSE);
break;
default:
lRetval = DefWindowProc(hWnd, message, wParam, lParam);
}
DllTrace(DLL_TRACE_EXIT,"EXIT ControlDialogWndProc (%d)\n",lRetval);
return lRetval;
}
/**\brief Builds and displays an instance of the 1394 Camera Control Dialog
* \ingroup dialogs
* \param hInstance The instance the class was registered against
* \param hWndParent The parent window
* \param pCamera The Camera this dialog will control
* \return HWND to the instance, NULL on error
*
* This is an internal function, so there is less idiotproofing
*/
HWND InitControlDialogInstance(HINSTANCE hInstance, HWND hWndParent, C1394Camera *pCamera)
{
HWND hWnd = NULL;
PCONTROL_WINDOW_EXTENSION pWndExt;
int i;
DllTrace(DLL_TRACE_ENTER,"ENTER InitControlDialogInstance(%08x,%08x,%08x)\n",
hInstance, hWndParent, pCamera);
if(!pCamera)
{
DllTrace(DLL_TRACE_ERROR,"InitControlDialogInstance: NULL Camera Passed, Aborting!\n");
goto _exit;
}
pWndExt = (PCONTROL_WINDOW_EXTENSION) LocalAlloc(LPTR,sizeof(CONTROL_WINDOW_EXTENSION));
if(!pWndExt)
{
DllTrace(DLL_TRACE_ERROR,"InitControlDialogInstance: Failed to Allocate pWndExt (%08x)\n",GetLastError());
goto _exit;
}
pWndExt->pCamera = pCamera;
hWnd = CreateWindow("1394 Control Panes Dialog Class", "1394 Camera Controls",
WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_BORDER|WS_MINIMIZEBOX|WS_CLIPCHILDREN|WS_HSCROLL,
CW_USEDEFAULT, 0, 200, 100, hWndParent, NULL, hInstance, NULL);
if (!hWnd)
{
DllTrace(DLL_TRACE_ERROR,"InitControlDialogInstance: CreateWindow Failed (%08x)\n",GetLastError());
LocalFree(pWndExt);
goto _exit;
}
pWndExt->hAccel = LoadAccelerators(hInstance,MAKEINTRESOURCE(IDR_CONTROL_ACCEL));
SetWindowLongPtr(hWnd,GWLP_USERDATA,(LONG_PTR)(pWndExt));
ShowWindow(hWnd, SW_SHOW);
ShowScrollBar(hWnd,SB_HORZ,FALSE);
UpdateWindow(hWnd);
DllTrace(DLL_TRACE_CHECK,"InitControlDialogInstance: adding panes...\n");
for(i=0; i<FEATURE_NUM_FEATURES; i++)
{
C1394CameraControl *pControl;
ULONG flags = PIF_VISIBLE;
CAMERA_FEATURE fID = (CAMERA_FEATURE)(i);
if((pControl = pCamera->GetCameraControl(fID)) != NULL)
{
if( fID == FEATURE_WHITE_BALANCE ||
fID == FEATURE_TEMPERATURE ||
fID == FEATURE_WHITE_SHADING )
flags |= PIF_TWO_SLIDERS;
AddControlPane(hInstance,hWnd,pWndExt,pControl,flags);
}
}
for(i=0; i<4; i++)
{
C1394CameraControlStrobe *pStrobe = pCamera->GetStrobeControl(i);
if(pStrobe != NULL)
{
AddControlPane(hInstance,hWnd,pWndExt,(C1394CameraControl *)pStrobe,PIF_VISIBLE | PIF_TWO_SLIDERS | PIF_STROBE);
}
}
ShowControlPanes(hWnd,TRUE);
_exit:
DllTrace(DLL_TRACE_EXIT,"EXIT InitControlDialogInstance (%08x)\n",hWnd);
return hWnd;
}
/**\brief Initializes a C1394Camera class
* \ingroup camcore
*
* The constructor initializes internal state and assigns register offsets and parent pointers
* to the public C1394CameraControl members. Many C++ compilers moan about using <i>this</i>
* in initializers, and justifiably so. Each of these constructors does nothing more than store
* <i>this</i> as its parent camera pointer. No further processing is done downstream of the constructor.
*/
C1394Camera::C1394Camera():
m_pName(NULL),
m_linkChecked(false),
m_cameraInitialized(false),
m_node(-1),
m_hDeviceAcquisition(INVALID_HANDLE_VALUE),
m_hDevInfo(INVALID_HANDLE_VALUE),
m_dwDevCount(0),
m_videoFormat(0),
m_videoMode(0),
m_videoFrameRate(0),
m_InqBasicFunc(0),
m_InqFeatureHi(0),
m_InqFeatureLo(0),
m_InqOptionalFunc(0),
m_StatusPowerControl(0),
m_StatusVideoError(0),
m_StatusVideoDepth(0),
m_StatusFeatureErrorHi(0),
m_StatusFeatureErrorLo(0),
m_AdvFuncOffset(0),
m_PIOFuncOffset(0),
m_SIOFuncOffset(0),
m_StrobeFuncOffset(0),
m_StrobeRootCaps(0),
m_maxBytes(0),
m_maxBufferSize(0),
m_maxSpeed(0),
m_width(0),
m_height(0),
m_colorCode(COLOR_CODE_INVALID),
m_pFirstBuffer(NULL),
m_pLastBuffer(NULL),
m_pCurrentBuffer(NULL),
m_AcquisitionTimeout(0),
m_AcquisitionFlags(0),
m_AcquisitionBuffers(0)
{
int i,format,mode;
DllTrace(DLL_TRACE_ENTER,"ENTER C1394Camera Constructor\n");
// this is the best place to trace the structure sizes
DllTrace(DLL_TRACE_VERBOSE,"sizeof(C1394Camera) = %d\n",sizeof(C1394Camera));
DllTrace(DLL_TRACE_VERBOSE,"sizeof(C1394CameraControl) = %d\n",sizeof(C1394CameraControl));
DllTrace(DLL_TRACE_VERBOSE,"sizeof(C1394CameraControlSize) = %d\n",sizeof(C1394CameraControlSize));
DllTrace(DLL_TRACE_VERBOSE,"sizeof(C1394CameraControlTrigger) = %d\n",sizeof(C1394CameraControlTrigger));
ZeroMemory(&m_spec,sizeof(CAMERA_SPECIFICATION));
// initialize video settings arrays to false
m_InqVideoFormats = 0;
for (format=0; format<8; format++)
{
m_InqVideoModes[format] = 0;
for (mode=0; mode<8; mode++)
m_InqVideoRates[format][mode] = 0;
}
// initialize the feature controls
for(i=0; i<FEATURE_NUM_FEATURES; i++)
{
if(i != FEATURE_TRIGGER_MODE && dc1394GetFeatureName((CAMERA_FEATURE)(i)) != NULL)
m_pControls[i] = new C1394CameraControl(this,(CAMERA_FEATURE)(i));
else
m_pControls[i] = NULL;
}
m_pControlTrigger = new C1394CameraControlTrigger(this);
m_pControlSize = new C1394CameraControlSize(this);
// initialize the strobe controls
for(i=0; i<4; i++)
this->m_controlStrobes[i] = new C1394CameraControlStrobe(this,i);
m_nameModel[0] = 0;
m_nameVendor[0] = 0;
m_DevicePath[0] = 0;
m_UniqueID.QuadPart = 0;
DllTrace(DLL_TRACE_EXIT,"EXIT C1394Camera Constructor\n");
}
/**\brief Performs General initialization of the C1394Camera class for the currently selected camera
* \ingroup camcore
* \param reset If TRUE, this will poke the camera init register to restore it to powerup defaults
* \return
* CAM_SUCCESS: The camera is ready to start capturing Frames.
* CAM_ERROR_NOT_INITIALIZED: No camera selected (this is poorly named and may be changed)
* CAM_ERROR_BUSY: Usualy indicates broken invariants, but in and of itself prevents an
* init in the middle of image acquisition
* CAM_ERROR: Some register IO failed, GetLastError will tell why
*
* This Function currently causes a lot of I/O on the 1394 bus to populate the configuration and capability
* information about the camera and all the available controllable features. If there are any standard video
* formats available (e.g. not format 7), then the first available format, mode and rate are selected by default.
*/
int C1394Camera::InitCamera(BOOL reset)
{
GET_MAX_SPEED_BETWEEN_DEVICES maxSpeed;
DWORD dwRet;
int ret = CAM_ERROR;
ULONG maxSpeedNotLocal, maxSpeedLocal;
DllTrace(DLL_TRACE_ENTER,"ENTER InitCamera\n");
if(m_cameraInitialized)
// this isn't really an error, but should be reported
DllTrace(DLL_TRACE_WARNING,"InitCamera: Warning: Duplicate Call to InitCamera\n");
// clear it for another pass
m_cameraInitialized = false;
if(!m_pName)
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: Error: no camera selected\n");
ret = CAM_ERROR_NOT_INITIALIZED;
goto _exit;
}
if(m_hDeviceAcquisition != INVALID_HANDLE_VALUE)
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: Error: Camera is busy, stop image acquisition first\n");
ret = CAM_ERROR_BUSY;
goto _exit;
}
// this frees up any isoch resources that may be left behind
// from a previous program that didn't clean up after itself
// properly (i.e. crashed)
// This is an ugly way to deal with it, but will have to work for now
t1394IsochTearDownStream(m_pName);
// determine max speed
// this is used for allocating bandwidth and stuff
maxSpeed.fulFlags = 0;
maxSpeed.ulNumberOfDestinations = 0;
if (dwRet = GetMaxSpeedBetweenDevices(m_pName, &maxSpeed))
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: Error %08x on GetMaxSpeedBetweenDevices (NotLocal)\n",dwRet);
goto _exit;
}
maxSpeedNotLocal = maxSpeed.fulSpeed;
maxSpeed.fulFlags = 1;
if (dwRet = GetMaxSpeedBetweenDevices(m_pName, &maxSpeed))
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: Error %08x on GetMaxSpeedBetweenDevices (Local)\n",dwRet);
goto _exit;
}
maxSpeedLocal = maxSpeed.fulSpeed;
// select the smaller of the two
m_maxSpeed = (maxSpeedLocal < maxSpeedNotLocal ? maxSpeedLocal : maxSpeedNotLocal);
// reset to defaults if we want
if(reset == TRUE)
{
if(WriteQuadlet(0x000,0x80000000) != CAM_SUCCESS)
DllTrace(DLL_TRACE_WARNING,"InitCamera: Warning: Reset to defaults failed: %08x\n",GetLastError());
}
// determine video formats/modes/rates
// private functions return bools and do their own respective tracing
if(!InquireVideoFormats())
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: Error on InquireVideoFormats\n");
goto _exit;
}
if(!InquireVideoModes())
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: Error on InquireVideoModes\n");
goto _exit;
}
if(!InquireVideoRates())
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: Error on InquireVideoRates\n");
goto _exit;
}
if(CAM_SUCCESS != (dwRet = ReadQuadlet(0x400,&m_InqBasicFunc)))
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: error %08x on ReadQuadlet(0x400)\n",dwRet);
goto _exit;
}
if(CAM_SUCCESS != (dwRet = ReadQuadlet(0x404,&m_InqFeatureHi)))
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: error %08x on ReadQuadlet(0x404)\n",dwRet);
goto _exit;
}
if(CAM_SUCCESS != (dwRet = ReadQuadlet(0x408,&m_InqFeatureLo)))
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: error %08x on ReadQuadlet(0x408)\n",dwRet);
goto _exit;
}
// Poke the error bits, if available
this->StatusVideoErrors(TRUE);
this->StatusFeatureError(FEATURE_BRIGHTNESS,TRUE);
// the core registers have been updated, so it's safe to set this here
// NOTE: this flag is very hackish, and should be replaced by explicitly nuking
// the toplevel registers on Construction and SelectCamera()
m_cameraInitialized = true;
if(this->HasPowerControl())
{
if(CAM_SUCCESS != (dwRet = ReadQuadlet(0x610,&this->m_StatusPowerControl)))
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: error %08x reading Power Register\n");
goto _exit;
}
}
if(this->HasAdvancedFeature())
{
if(CAM_SUCCESS != (dwRet = ReadQuadlet(0x480,&this->m_AdvFuncOffset)))
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: error %08x on ReadQuadlet(0x480)\n",dwRet);
goto _exit;
}
m_AdvFuncOffset <<= 2;
m_AdvFuncOffset |= 0xf0000000;
}
if(this->HasOptionalFeatures())
{
// Read the Optional Function Bitmask
if(CAM_SUCCESS != (dwRet = ReadQuadlet(0x40C,&m_InqOptionalFunc)))
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: error %08x on ReadQuadlet(0x40C)\n",dwRet);
goto _exit;
}
// And Check the Individual Features
if(this->HasPIO())
{
if(CAM_SUCCESS != (dwRet = ReadQuadlet(0x484,&this->m_PIOFuncOffset)))
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: error %08x on ReadQuadlet(0x484)\n",dwRet);
goto _exit;
}
m_PIOFuncOffset <<= 2;
m_PIOFuncOffset |= 0xf0000000;
}
if(this->HasSIO())
{
if(CAM_SUCCESS != (dwRet = ReadQuadlet(0x488,&this->m_SIOFuncOffset)))
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: error %08x on ReadQuadlet(0x488)\n",dwRet);
goto _exit;
}
m_SIOFuncOffset <<= 2;
m_SIOFuncOffset |= 0xf0000000;
}
if(this->HasStrobe())
{
if(CAM_SUCCESS != (dwRet = ReadQuadlet(0x48C,&this->m_StrobeFuncOffset)))
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: error %08x on ReadQuadlet(0x48C)\n",dwRet);
goto _exit;
}
m_StrobeFuncOffset <<= 2;
m_StrobeFuncOffset |= 0xf0000000;
if(CAM_SUCCESS != (dwRet = ReadQuadlet(this->m_StrobeFuncOffset,&this->m_StrobeRootCaps)))
{
DllTrace(DLL_TRACE_ERROR,"InitCamera: error %08x on ReadQuadlet(0x%08x)\n",
dwRet,this->m_StrobeFuncOffset);
goto _exit;
}
}
}
RefreshControlRegisters(FALSE);
UpdateParameters();
ret = CAM_SUCCESS;
_exit:
if(ret != CAM_SUCCESS)
m_cameraInitialized = false;
DllTrace(DLL_TRACE_EXIT,"EXIT InitCamera (%d)\n",ret);
return ret;
}
/**\brief Indexes into the current device list to point the class at a particular camera
* \ingroup camcore
* \param node: the (zero-indexed) id of the camera to select
* \return
* - CAM_SUCCESS on success
* - CAM_ERROR_PARAM_OUT_OF_RANGE: you gave a bad camera number
* - CAM_ERROR_BUSY: The currently Selected Camera is Busy, call StopImageAcquisition() first
* - CAM_ERROR: general I/O error (probably GetCameraSpecification)
*
* This is the only class function that will generate dialog boxes and will do so
* if and only if it believes that the device you selected isn't *really* a camera
* that complies with the 1394 Digital Camera Specification.
*/
int C1394Camera::SelectCamera(int node)
{
char buf[256];
ULONG sz = sizeof(buf);
int format, mode;
int ret = CAM_ERROR;
ULONG ulRet;
DllTrace(DLL_TRACE_ENTER,"ENTER SelectCamera (%d)\n",node);
if(m_hDeviceAcquisition != INVALID_HANDLE_VALUE)
{
DllTrace(DLL_TRACE_ERROR,"SelectCamera: Currently Selected Camera is Busy, you must call StopImageAcquisition First\n");
ret = CAM_ERROR_BUSY;
goto _exit;
}
if(node < 0 || (unsigned int)node >= m_dwDevCount)
{
DllTrace(DLL_TRACE_ERROR,"SelectCamera: Camera %d out of range\n",node);
ret = CAM_ERROR_PARAM_OUT_OF_RANGE;
goto _exit;
}
if(t1394CmdrGetDevicePath(m_hDevInfo,node,buf,&sz) <= 0)
{
DllTrace(DLL_TRACE_ERROR,"SelectCamera: Error on GetDevicePath (%d)\n",GetLastError());
ret = CAM_ERROR;
goto _exit;
}
// check the software version
ZeroMemory(&m_spec,sizeof(CAMERA_SPECIFICATION));
if((ulRet = GetCameraSpecification(buf,&m_spec)))
{
DllTrace(DLL_TRACE_ERROR,"SelectCamera: Error %08x getting Camera Specification\n",ulRet);
ret = CAM_ERROR;
goto _exit;
}
if(m_spec.ulSpecification != 0x00A02D)
DllTrace(DLL_TRACE_ALWAYS, "SelectCamera: Warning: Camera specification (%06x) does not match 0x00A02D\n", m_spec.ulSpecification);
if (m_spec.ulVersion < 0x000100 || m_spec.ulVersion > 0x000104)
DllTrace(DLL_TRACE_ALWAYS,"SelectCamera: Warning: Camera software version (%06x) is not supported\n",m_spec.ulVersion);
// get the vendor and model names from the driver
if((ulRet = GetModelName(buf,m_nameModel,255)) < 0)
{
DllTrace(DLL_TRACE_ERROR,"SelectCamera: Error on GetModelName\n");
DllTrace(DLL_TRACE_EXIT,"EXIT SelectCamera (%d)\n",CAM_ERROR);
return CAM_ERROR;
} else {
// Null-Terminate
m_nameModel[ulRet] = 0;
}
if((ulRet = GetVendorName(buf,m_nameVendor,255)) < 0)
{
DllTrace(DLL_TRACE_ERROR,"SelectCamera: Error on GetVendorName\n");
DllTrace(DLL_TRACE_EXIT,"EXIT SelectCamera (%d)\n",CAM_ERROR);
return CAM_ERROR;
} else {
// Null-Terminate
m_nameVendor[ulRet] = 0;
}
GetUniqueID(buf,&m_UniqueID);
// whenever we switch cameras, reset our internal stuff
m_cameraInitialized = false;
// initialize video settings matrices to false
m_InqVideoFormats = 0;
for (format=0; format<8; format++)
{
m_InqVideoModes[format] = 0;
for (mode=0; mode<8; mode++)
m_InqVideoRates[format][mode] = 0;
}
// empty out the static registers
m_InqBasicFunc = 0;
m_InqVideoFormats = 0;
m_InqFeatureHi = m_InqFeatureLo = 0;
strncpy(m_DevicePath,buf,sizeof(m_DevicePath));
m_pName = m_DevicePath;
m_node = node;
ret = CAM_SUCCESS;
DllTrace(DLL_TRACE_CHECK,"SelectCamera: Selected \"%s\"\n",m_pName);
_exit:
DllTrace(DLL_TRACE_EXIT,"EXIT SelectCamera (%d)\n",ret);
return ret;
}
/**\brief Walks the pane list and displays the appropriate controls
* \ingroup dialogs
* \param hWnd The window holding the panes
* \param bChanged If TRUE, then number of active panes may have changed, se extra work is done to recount everything
* \return TRUE for now (may eventually be FALSE on failures, if any)
*
* This is an internal-use-only function, so there is less
* idiotproofing than there really should be
*/
BOOL ShowControlPanes(HWND hWnd,BOOL bChanged)
{
int i,x,y,h=0,w=0,n=0,totalw;
RECT wRect,cRect;
HWND hWndChild;
SCROLLINFO si;
PCONTROL_WINDOW_EXTENSION pExt = (PCONTROL_WINDOW_EXTENSION) GetWindowLongPtr(hWnd,GWLP_USERDATA);
DllTrace(DLL_TRACE_ENTER,"ENTER ShowControlPanes(%08x,%d)\n",hWnd,bChanged);
if(bChanged)
{
DllTrace(DLL_TRACE_CHECK,"ShowControlPanes: Pane status has changed, going to work...\n");
for(i=0; i<pExt->nPanes; i++)
{
if(pExt->PaneState[i])
{
if(n == 0)
{
// get the w & h for the first window we get
hWndChild = GetDlgItem(hWnd,ID_FIRST_CONTROL_PANE + i);
GetWindowRect(hWndChild,&wRect);
w = (wRect.right - wRect.left);
h = wRect.bottom - wRect.top;
}
n++;
}
}
if(n == 0)
{
DllTrace(DLL_TRACE_CHECK,"ShowControlPanes: No active windows found\n");
// no windows, make it small
x = 200;
y = 100;
// and hide the scrollbar
ShowScrollBar(hWnd,SB_HORZ,FALSE);
pExt->trackpos = 0;
} else {
if(n > 6)
{
totalw = (n - 5) * w;
// more than 6, show the scrollbar
ShowScrollBar(hWnd,SB_HORZ,TRUE);
// set up the params
si.cbSize = sizeof(SCROLLINFO);
si.nMax = totalw;
si.nMin = 0;
si.nPage = w;
si.fMask = SIF_RANGE | SIF_PAGE;
if(pExt->trackpos >= totalw - w)
{
// the number of panes shrank and we can see the last one
pExt->trackpos = totalw - w - 1;
si.nPos = pExt->trackpos;
si.fMask |= SIF_POS;
}
SetScrollInfo(hWnd,SB_HORZ,&si,TRUE);
// cap it at 6 wide
n = 6;
} else {
// don't need it
ShowScrollBar(hWnd,SB_HORZ,FALSE);
pExt->trackpos = 0;
}
GetWindowRect(hWnd,&wRect);
GetClientRect(hWnd,&cRect);
x = (wRect.right - wRect.left) - (cRect.right - cRect.left);
y = (wRect.bottom - wRect.top) - (cRect.bottom - cRect.top);
y += h;
x += n * w;
}
SetWindowPos(hWnd,NULL,0,0,x,y,SWP_NOMOVE);
} // if(bChanged)
x = -pExt->trackpos;
for(i=0; i<pExt->nPanes; i++)
{
hWndChild = GetDlgItem(hWnd,ID_FIRST_CONTROL_PANE + i);
GetWindowRect(hWndChild,&wRect);
w = wRect.right - wRect.left;
if(pExt->PaneState[i])
{
if((x + w) > 0 && x <= (6 * w))
{
SetWindowPos(hWndChild,NULL,x,0,0,0,SWP_NOSIZE);
ShowWindow(hWndChild,SW_SHOW);
} else {
ShowWindow(hWndChild,SW_HIDE);
}
x += w;
} else {
ShowWindow(hWndChild,SW_HIDE);
}
}
DllTrace(DLL_TRACE_EXIT,"EXIT ShowControlPanes (TRUE)\n");
return TRUE;
}
