IEEE 1394 - VT6306/VT6307 Video Capture

I'm using Ubuntu mate. • Library: libdc1394−2.2.4 • Supporting Library: libraw1394−2.1.2 • Supporting Modules:ohci1394, video1394 ( ieee1394, raw1394 - not found in my kernel) • Linux Kernel: 4.4.0-34-generic, i686 GNU/Linux

my code successfully worked with IEEE1394(VT6306 FireWire controller) + camera.

While developing my card failure. so i purchased new one ( IEEE1394 PCI card with VT6307 FireWire controller) and run the same code. Its not working continuously. only captures 4 frame.

Any Initialization required for this VT6307 controller.

I set DMA Buffer size = 4 like below.

err=dc1394_capture_setup(camera, 4, DC1394_CAPTURE_FLAGS_DEFAULT);

But this code runs my old PCI card with VT6306 controller.

Sample code for reference.

int Dialog::capture()
{
    unsigned int            width = 1024, height = 1;
    dc1394camera_list_t     * list;
    uint32_t                selected_mode = DC1394_VIDEO_MODE_FORMAT7_0;
    dc1394video_frame_t     *frame=NULL;
    dc1394camera_t          *camera;
    dc1394error_t           err;
    dc1394_t *              d;
    dc1394video_modes_t     modes;
    uint32_t                loopcnt = 0;


    d = dc1394_new();                               

    if (!d)
        return 1;

    err=dc1394_camera_enumerate (d, list);                              
    DC1394_ERR_RTN(err,"Failed to enumerate cameras");
    if (list->num == 0) 
    {                                                   
        dc1394_log_error("No cameras found");
        return 1;
    }

    camera = dc1394_camera_new (d, list->ids[0].guid);  
    if (!camera) 
    {
       dc1394_log_error("Failed to init cam %llx", list->ids[0].guid);
       return 0;
    }
    dc1394_camera_free_list (list);

    //Sets image size
    err=dc1394_video_set_iso_speed(camera, DC1394_ISO_SPEED_400);
    err=dc1394_video_set_mode(camera,(dc1394video_mode_t) selected_mode);
    err=dc1394_format7_set_image_size(camera, (dc1394video_mode_t) selected_mode, width, height);
    err=dc1394_capture_setup(camera, 4, DC1394_CAPTURE_FLAGS_DEFAULT);   

    err=dc1394_video_set_transmission(camera, DC1394_ON);   
    while(1)
    {
        loopcnt++;

        err=dc1394_capture_dequeue(camera, DC1394_CAPTURE_POLICY_WAIT, &frame); // Capture
        DC1394_ERR_RTN(err,"Problem getting an image");

        err=dc1394_capture_enqueue(camera, frame);                              // Release the buffer

        qDebug()<<" Capture Cnt = "<<loopcnt;
    }

    err=dc1394_video_set_transmission(camera, DC1394_OFF);               
    err=dc1394_capture_stop(camera); 
    dc1394_camera_free (camera);                                     
    dc1394_free (d);
}

help me.