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camerabin2: Add properties for supported capture caps

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Adds 2 property for getting the supported image/video capture
caps from the camera source.
This commit is contained in:
Thiago Santos 2010-12-12 23:03:21 -03:00
parent f52d805166
commit 201e9ac221
2 changed files with 54 additions and 2 deletions
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1
gst/camerabin2/gstbasecamerasrc.c
View file

@ -482,7 +482,6 @@ gst_base_camera_src_class_init (GstBaseCameraSrcClass * klass)
gobject_class->set_property = gst_base_camera_src_set_property;
gobject_class->get_property = gst_base_camera_src_get_property;
// g_object_class_install_property ....
g_object_class_install_property (gobject_class, PROP_MODE,
g_param_spec_enum ("mode", "Mode",
"The capture mode (still image capture or video recording)",

55
gst/camerabin2/gstcamerabin2.c
View file

@ -49,6 +49,7 @@
#include "config.h"
#endif
#include "gstbasecamerasrc.h"
#include "gstcamerabin2.h"
#include "gstcamerabin-enum.h"
@ -61,7 +62,9 @@ enum
{
PROP_0,
PROP_MODE,
PROP_LOCATION
PROP_LOCATION,
PROP_IMAGE_CAPTURE_SUPPORTED_CAPS,
PROP_VIDEO_CAPTURE_SUPPORTED_CAPS
};
enum
@ -271,6 +274,21 @@ gst_camera_bin_class_init (GstCameraBinClass * klass)
"Default for images is img_%d and vid_%d for videos",
DEFAULT_IMG_LOCATION, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_IMAGE_CAPTURE_SUPPORTED_CAPS,
g_param_spec_boxed ("image-capture-supported-caps",
"Image capture supported caps",
"Formats supported for capturing images represented as GstCaps",
GST_TYPE_CAPS, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (object_class,
PROP_VIDEO_CAPTURE_SUPPORTED_CAPS,
g_param_spec_boxed ("video-capture-supported-caps",
"Video capture supported caps",
"Formats supported for capturing videos represented as GstCaps",
GST_TYPE_CAPS, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
/**
* GstCameraBin::capture-start:
* @camera: the camera bin element
@ -469,6 +487,41 @@ gst_camera_bin_get_property (GObject * object, guint prop_id,
g_value_set_string (value, camera->img_location);
}
break;
case PROP_VIDEO_CAPTURE_SUPPORTED_CAPS:
case PROP_IMAGE_CAPTURE_SUPPORTED_CAPS:{
GstPad *pad;
GstCaps *caps;
const gchar *padname;
if (prop_id == PROP_VIDEO_CAPTURE_SUPPORTED_CAPS) {
padname = GST_BASE_CAMERA_SRC_VIDEO_PAD_NAME;
} else {
padname = GST_BASE_CAMERA_SRC_IMAGE_PAD_NAME;
}
if (camera->src) {
pad = gst_element_get_static_pad (camera->src, padname);
g_assert (pad != NULL);
/* TODO not sure if we want get_caps or get_allowed_caps to already
* consider the full pipeline scenario and avoid picking a caps that
* won't negotiate. Need to take care on the special case of the
* pad being unlinked.
*/
caps = gst_pad_get_caps_reffed (pad);
if (caps) {
gst_value_set_caps (value, caps);
gst_caps_unref (caps);
}
gst_object_unref (pad);
} else {
GST_DEBUG_OBJECT (camera, "Camera source not created, can't get "
"supported caps");
}
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;