bool GPhotoCCD::capturePreview()
{
if (sim)
return false;
int rc = GP_OK;
char errMsg[MAXRBUF];
const char* previewData;
unsigned long int previewSize;
CameraFile* previewFile = NULL;
rc = gp_file_new(&previewFile);
if (rc != GP_OK)
{
DEBUGF(INDI::Logger::DBG_ERROR, "Error creating gphoto file: %s", gp_result_as_string(rc));
return false;
}
for (int i=0; i < MAX_RETRIES; i++)
{
rc = gphoto_capture_preview(gphotodrv, previewFile, errMsg);
if (rc == true)
break;
}
if (rc != GP_OK)
{
DEBUGF(INDI::Logger::DBG_ERROR, "%s", errMsg);
return false;
}
if (rc >= GP_OK)
{
rc = gp_file_get_data_and_size(previewFile, &previewData, &previewSize);
if (rc != GP_OK)
{
DEBUGF(INDI::Logger::DBG_ERROR, "Error getting preview image data and size: %s", gp_result_as_string(rc));
return false;
}
}
//DEBUGF(INDI::Logger::DBG_DEBUG, "Preview capture size %d bytes.", previewSize);
char *previewBlob = (char *) previewData;
imageB->blob = previewBlob;
imageB->bloblen = previewSize;
imageB->size = previewSize;
strncpy(imageB->format, "stream_jpeg", MAXINDIBLOBFMT);
IDSetBLOB (imageBP, NULL);
if (previewFile)
{
gp_file_unref(previewFile);
previewFile = NULL;
}
return true;
}
bool INDI::CCD::ExposureComplete(CCDChip *targetChip)
{
void *memptr;
size_t memsize;
int img_type=0;
int byte_type=0;
int status=0;
long naxes[2];
long naxis=2;
int nelements=0;
fitsfile *fptr=NULL;
naxes[0]=targetChip->getSubW()/targetChip->getBinX();
naxes[1]=targetChip->getSubH()/targetChip->getBinY();
switch (targetChip->getBPP())
{
case 8:
byte_type = TBYTE;
img_type = BYTE_IMG;
break;
case 16:
byte_type = TUSHORT;
img_type = USHORT_IMG;
break;
case 32:
byte_type = TULONG;
img_type = ULONG_IMG;
break;
default:
IDLog("Unsupported bits per pixel value %d\n", targetChip->getBPP() );
return false;
break;
}
nelements = naxes[0] * naxes[1];
// Now we have to send fits format data to the client
memsize=5760;
memptr=malloc(memsize);
if(!memptr)
{
IDLog("Error: failed to allocate memory: %lu\n",(unsigned long)memsize);
}
fits_create_memfile(&fptr,&memptr,&memsize,2880,realloc,&status);
if(status)
{
IDLog("Error: Failed to create FITS image\n");
fits_report_error(stderr, status); /* print out any error messages */
return false;
}
fits_create_img(fptr, img_type , naxis, naxes, &status);
if (status)
{
IDLog("Error: Failed to create FITS image\n");
fits_report_error(stderr, status); /* print out any error messages */
return false;
}
addFITSKeywords(fptr, targetChip);
fits_write_img(fptr,byte_type,1,nelements,targetChip->getFrameBuffer(),&status);
if (status)
{
IDLog("Error: Failed to write FITS image\n");
fits_report_error(stderr, status); /* print out any error messages */
return false;
}
fits_close_file(fptr,&status);
targetChip->ImageExposureNP->s=IPS_OK;
IDSetNumber(targetChip->ImageExposureNP,NULL);
targetChip->FitsB.blob=memptr;
targetChip->FitsB.bloblen=memsize;
targetChip->FitsB.size=memsize;
strcpy(targetChip->FitsB.format,".fits");
targetChip->FitsBP->s=IPS_OK;
//IDLog("Enter Uploadfile with %d total sending via %s, and format %s\n",total,targetChip->FitsB.name, targetChip->FitsB.format);
IDSetBLOB(targetChip->FitsBP,NULL);
free(memptr);
return true;
}
