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camerabin2: Adding basic elements

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Instantiating and linking basic elements on camerabin2
so it at least shows the viewfinder when running.
This commit is contained in:
Thiago Santos 2010-11-26 14:51:30 -03:00
parent 3db90e1d43
commit 1887669d6e
1 changed files with 51 additions and 8 deletions
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59
gst/camerabin2/gstcamerabin2.c
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@ -20,14 +20,6 @@
* SECTION:element-gstcamerabin
*
* The gstcamerabin element does FIXME stuff.
*
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch -v videotestsrc ! camerabin
* ]|
* FIXME Describe what the pipeline does.
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
@ -129,9 +121,60 @@ gst_camera_bin_init (GstCameraBin * camerabin)
{
}
/**
* gst_camera_bin_create_elements:
* @param camera: the #GstCameraBin
*
* Creates all elements inside #GstCameraBin
*
* Each of the pads on the camera source is linked as follows:
* .pad ! queue ! capsfilter ! correspondingbin
*
* Where 'correspondingbin' is the bin appropriate for
* the camera source pad.
*/
static gboolean
gst_camera_bin_create_elements (GstCameraBin * camera)
{
GstElement *src;
GstElement *vid;
GstElement *img;
GstElement *vf;
GstElement *vid_queue;
GstElement *img_queue;
GstElement *vf_queue;
GstElement *vid_capsfilter;
GstElement *img_capsfilter;
GstElement *vf_capsfilter;
if (camera->elements_created)
return TRUE;
src = gst_element_factory_make ("v4l2camerasrc", "camerasrc");
vid = gst_element_factory_make ("videorecordingbin", "video-rec-bin");
img = gst_element_factory_make ("imagecapturebin", "image-cap-bin");
vf = gst_element_factory_make ("viewfinderbin", "vf-bin");
vid_queue = gst_element_factory_make ("queue", "video-queue");
img_queue = gst_element_factory_make ("queue", "image-queue");
vf_queue = gst_element_factory_make ("queue", "vf-queue");
vid_capsfilter = gst_element_factory_make ("capsfilter", "video-capsfilter");
img_capsfilter = gst_element_factory_make ("capsfilter", "image-capsfilter");
vf_capsfilter = gst_element_factory_make ("capsfilter", "vf-capsfilter");
gst_bin_add_many (GST_BIN_CAST (camera), src, vid, img, vf, vid_queue,
img_queue, vf_queue, vid_capsfilter, img_capsfilter, vf_capsfilter, NULL);
/* Linking can be optimized TODO */
gst_element_link_many (vid_queue, vid_capsfilter, vid, NULL);
gst_element_link_many (img_queue, img_capsfilter, img, NULL);
gst_element_link_many (vf_queue, vf_capsfilter, vf, NULL);
gst_element_link_pads (src, "vfsrc", vf_queue, "sink");
gst_element_link_pads (src, "imgsrc", img_queue, "sink");
gst_element_link_pads (src, "vidsrc", vid_queue, "sink");
camera->elements_created = TRUE;
return TRUE;
}