static gboolean gst_imx_v4l2src_set_focus_mode(GstPhotography *photo,
GstPhotographyFocusMode focus_mode)
{
GstImxV4l2VideoSrc *v4l2src = GST_IMX_V4L2SRC(photo);
GST_LOG_OBJECT(v4l2src, "setting focus mode to %d", focus_mode);
switch (focus_mode) {
case GST_PHOTOGRAPHY_FOCUS_MODE_AUTO:
case GST_PHOTOGRAPHY_FOCUS_MODE_MACRO:
case GST_PHOTOGRAPHY_FOCUS_MODE_PORTRAIT:
case GST_PHOTOGRAPHY_FOCUS_MODE_INFINITY:
break;
case GST_PHOTOGRAPHY_FOCUS_MODE_CONTINUOUS_NORMAL:
case GST_PHOTOGRAPHY_FOCUS_MODE_CONTINUOUS_EXTENDED:
focus_mode = GST_PHOTOGRAPHY_FOCUS_MODE_CONTINUOUS_NORMAL;
break;
default:
GST_WARNING_OBJECT(v4l2src, "focus mode %d is not supported", focus_mode);
return FALSE;
}
g_mutex_lock(&v4l2src->af_mutex);
if (v4l2src->focus_mode != focus_mode) {
v4l2src->focus_mode = focus_mode;
if (GST_STATE(v4l2src) == GST_STATE_PAUSED || GST_STATE(v4l2src) == GST_STATE_PLAYING)
gst_imx_v4l2src_apply_focus_settings(v4l2src, TRUE);
}
g_mutex_unlock(&v4l2src->af_mutex);
return TRUE;
}
static gboolean gst_imx_v4l2src_stop(GstBaseSrc *src)
{
GstImxV4l2VideoSrc *v4l2src = GST_IMX_V4L2SRC(src);
GST_LOG_OBJECT(v4l2src, "stop");
g_mutex_lock(&v4l2src->af_mutex);
gst_imx_v4l2src_apply_focus_settings(v4l2src, FALSE);
g_mutex_unlock(&v4l2src->af_mutex);
gst_imx_fd_object_unref(v4l2src->fd_obj_v4l);
return TRUE;
}
static gboolean gst_imx_v4l2src_start(GstBaseSrc *src)
{
GstImxV4l2VideoSrc *v4l2src = GST_IMX_V4L2SRC(src);
struct v4l2_format fmt;
int fd_v4l;
GST_LOG_OBJECT(v4l2src, "start");
fd_v4l = gst_imx_v4l2src_capture_setup(v4l2src);
if (fd_v4l < 0)
{
GST_ERROR_OBJECT(v4l2src, "capture_setup failed");
return FALSE;
}
v4l2src->fd_obj_v4l = gst_fd_object_new(fd_v4l);
fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (ioctl(GST_IMX_FD_OBJECT_GET_FD(v4l2src->fd_obj_v4l), VIDIOC_G_FMT, &fmt) < 0)
{
GST_ERROR_OBJECT(v4l2src, "VIDIOC_G_FMT failed");
return FALSE;
}
GST_DEBUG_OBJECT(v4l2src, "width = %d", fmt.fmt.pix.width);
GST_DEBUG_OBJECT(v4l2src, "height = %d", fmt.fmt.pix.height);
GST_DEBUG_OBJECT(v4l2src, "sizeimage = %d", fmt.fmt.pix.sizeimage);
GST_DEBUG_OBJECT(v4l2src, "pixelformat = %d", fmt.fmt.pix.pixelformat);
v4l2src->time_per_frame = gst_util_uint64_scale_int(GST_SECOND,
v4l2src->fps_d, v4l2src->fps_n);
v4l2src->count = 0;
g_mutex_lock(&v4l2src->af_mutex);
gst_imx_v4l2src_apply_focus_settings(v4l2src, TRUE);
g_mutex_unlock(&v4l2src->af_mutex);
return TRUE;
}
