int capture(fleaCamera* camera, void* image_buf, float* frame_time)
{
fc2Error error;
fc2Image rawImage;
fc2TimeStamp ts;
error = fc2CreateImage( &rawImage );
if ( error != FC2_ERROR_OK )
{
printf( "Error in fc2CreateImage: %d\n", error );
}
// Retrieve the image
error = fc2RetrieveBuffer( camera->context, &rawImage );
if ( error != FC2_ERROR_OK )
{
printf( "Error in retrieveBuffer: %d\n", error);
return -1;
}
// Get and print out the time stamp
ts = fc2GetImageTimeStamp( &rawImage);
(*frame_time) = (ts.cycleSeconds * 8000) + ts.cycleCount;
/*
diff = (ts.cycleSeconds - prevTimestamp.cycleSeconds) * 8000
+ (ts.cycleCount - prevTimestamp.cycleCount);
prevTimestamp = ts;
printf(
"timestamp [%d %d] - %d\n",
ts.cycleSeconds,
ts.cycleCount,
diff );
*/
//PrintImageInfo(&rawImage);
memcpy(image_buf, rawImage.pData, rawImage.dataSize);
error = fc2DestroyImage( &rawImage );
if ( error != FC2_ERROR_OK )
{
printf( "Error in fc2DestroyImage: %d\n", error );
}
return 0;
}
void GrabImages( fc2Context context, int numImagesToGrab )
{
fc2Error error;
fc2Image rawImage;
fc2Image convertedImage;
fc2TimeStamp prevTimestamp = {0};
int i;
error = fc2CreateImage( &rawImage );
if ( error != FC2_ERROR_OK )
{
printf( "Error in fc2CreateImage: %d\n", error );
}
error = fc2CreateImage( &convertedImage );
if ( error != FC2_ERROR_OK )
{
printf( "Error in fc2CreateImage: %d\n", error );
}
// If externally allocated memory is to be used for the converted image,
// simply assigning the pData member of the fc2Image structure is
// insufficient. fc2SetImageData() should be called in order to populate
// the fc2Image structure correctly. This can be done at this point,
// assuming that the memory has already been allocated.
for ( i=0; i < numImagesToGrab; i++ )
{
// Retrieve the image
error = fc2RetrieveBuffer( context, &rawImage );
if ( error != FC2_ERROR_OK )
{
printf( "Error in retrieveBuffer: %d\n", error);
}
else
{
// Get and print out the time stamp
fc2TimeStamp ts = fc2GetImageTimeStamp( &rawImage);
int diff = (ts.cycleSeconds - prevTimestamp.cycleSeconds) * 8000
+ (ts.cycleCount - prevTimestamp.cycleCount);
prevTimestamp = ts;
printf(
"timestamp [%d %d] - %d\n",
ts.cycleSeconds,
ts.cycleCount,
diff );
}
}
if ( error == FC2_ERROR_OK )
{
// Convert the final image to RGB
error = fc2ConvertImageTo(FC2_PIXEL_FORMAT_BGR, &rawImage, &convertedImage);
if ( error != FC2_ERROR_OK )
{
printf( "Error in fc2ConvertImageTo: %d\n", error );
}
// Save it to PNG
printf("Saving the last image to fc2TestImage.png \n");
error = fc2SaveImage( &convertedImage, "fc2TestImage.png", FC2_PNG );
if ( error != FC2_ERROR_OK )
{
printf( "Error in fc2SaveImage: %d\n", error );
printf( "Please check write permissions.\n");
}
}
error = fc2DestroyImage( &rawImage );
if ( error != FC2_ERROR_OK )
{
printf( "Error in fc2DestroyImage: %d\n", error );
}
error = fc2DestroyImage( &convertedImage );
if ( error != FC2_ERROR_OK )
{
printf( "Error in fc2DestroyImage: %d\n", error );
}
}
