C++ (Cpp) _camera_device_free Examples

Example #1

File: camera-capture-linux.c Project: abhinavjayanthy/GemDroid

CameraDevice*
camera_device_open(const char* name, int inp_channel)
{
    struct v4l2_cropcap cropcap;
    struct v4l2_crop crop;
    LinuxCameraDevice* cd;

    /* Allocate and initialize the descriptor. */
    cd = _camera_device_alloc();
    //cd->device_name = name != NULL ? ASTRDUP(name) : ASTRDUP("/dev/video0");
    //Gemdroid added
    cd->device_name = name != NULL ? ASTRDUP(name) : ASTRDUP("/dev/video1");
    //Gemdroid added
    cd->input_channel = inp_channel;

    /* Open the device. */
    if (_camera_device_open(cd)) {
        _camera_device_free(cd);
        return NULL;
    }

    /* Select video input, video standard and tune here. */
    cropcap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
    _xioctl(cd->handle, VIDIOC_CROPCAP, &cropcap);
    crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
    crop.c = cropcap.defrect; /* reset to default */
    _xioctl (cd->handle, VIDIOC_S_CROP, &crop);

    return &cd->header;
}

Example #2

File: camera-capture-windows.c Project: Bamtau/platform_external_qemu

void
camera_device_close(CameraDevice* cd)
{
    /* Sanity checks. */
    if (cd == NULL || cd->opaque == NULL) {
        E("%s: Invalid camera device descriptor", __FUNCTION__);
    } else {
        WndCameraDevice* wcd = (WndCameraDevice*)cd->opaque;
        _camera_device_free(wcd);
    }
}

Example #3

File: camera-capture-linux.c Project: abhinavjayanthy/GemDroid

void
camera_device_close(CameraDevice* ccd)
{
    LinuxCameraDevice* cd;

    /* Sanity checks. */
    if (ccd != NULL && ccd->opaque != NULL) {
        cd = (LinuxCameraDevice*)ccd->opaque;
        _camera_device_free(cd);
    } else {
        E("%s: Invalid camera device descriptor", __FUNCTION__);
    }
}

Example #4

File: camera-capture-windows.c Project: 0omega/platform_external_qemu

CameraDevice*
camera_device_open(const char* name, int inp_channel)
{
    WndCameraDevice* wcd;

    /* Allocate descriptor and initialize windows-specific fields. */
    wcd = _camera_device_alloc();
    if (wcd == NULL) {
        E("%s: Unable to allocate WndCameraDevice instance", __FUNCTION__);
        return NULL;
    }
    wcd->window_name = (name != NULL) ? ASTRDUP(name) :
                                        ASTRDUP(_default_window_name);
    if (wcd->window_name == NULL) {
        E("%s: Unable to save window name", __FUNCTION__);
        _camera_device_free(wcd);
        return NULL;
    }
    wcd->input_channel = inp_channel;

    /* Create capture window that is a child of HWND_MESSAGE window.
     * We make it invisible, so it doesn't mess with the UI. Also
     * note that we supply standard HWND_MESSAGE window handle as
     * the parent window, since we don't want video capturing
     * machinery to be dependent on the details of our UI. */
    wcd->cap_window = capCreateCaptureWindow(wcd->window_name, WS_CHILD, 0, 0,
                                             0, 0, HWND_MESSAGE, 1);
    if (wcd->cap_window == NULL) {
        E("%s: Unable to create video capturing window '%s': %d",
          __FUNCTION__, wcd->window_name, GetLastError());
        _camera_device_free(wcd);
        return NULL;
    }
    /* Save capture window descriptor as window's user data. */
    capSetUserData(wcd->cap_window, wcd);

    return &wcd->header;
}