bool VideoCapture_mod::open(int device)
{
if (isOpened()) release();
icap = createCameraCapture(device);
if (!icap.empty())
return true;
cap.reset(cvCreateCameraCapture(device));
return isOpened();
}
FREObject getCapture(FREContext ctx, void* funcData, uint32_t argc, FREObject argv[])
{
int32_t w, h;
int32_t frameRate = 0;
uint32_t name_size = 0;
const uint8_t* name_val = NULL;
FREGetObjectAsUTF8(argv[0], &name_size, &name_val);
FREGetObjectAsInt32(argv[1], &w);
FREGetObjectAsInt32(argv[2], &h);
FREGetObjectAsInt32(argv[3], &frameRate);
FREObject objectBA = argv[4];
FREByteArray baData;
FREAcquireByteArray(objectBA, &baData);
uint8_t *ba = baData.bytes;
int32_t emptySlot = -1;
size_t i;
// search empty slot
for(i = 0; i < MAX_ACTIVE_CAMS; i++)
{
if(!active_cams[i])
{
emptySlot = i;
break;
}
}
if(emptySlot == -1)
{
ba += ba_write_int(ba, -1);
FREReleaseByteArray(objectBA);
return NULL;
}
CCapture* cap = NULL;
cap = createCameraCapture(w, h, (char *)name_val, frameRate );
if(!cap)
{
ba += ba_write_int(ba, -1);
FREReleaseByteArray(objectBA);
return NULL;
}
// start if not running
if( captureIsCapturing(cap) == 0 )
{
captureStart(cap);
}
active_cams[emptySlot] = cap;
active_cams_count++;
captureGetSize( cap, &w, &h );
// write result
ba += ba_write_int(ba, emptySlot);
ba += ba_write_int(ba, w);
ba += ba_write_int(ba, h);
FREReleaseByteArray(objectBA);
return NULL;
}
