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gst: libcamerasrc: Add camera-name property

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This property will be used to select by name the camera to use.

Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Nicolas Dufresne
2020-02-25 13:45:48 -05:00
committed by Laurent Pinchart
parent 26c923a27c
commit 2c93810ec1
1 changed files with 67 additions and 1 deletions
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68
src/gstreamer/gstlibcamerasrc.cpp
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@@ -9,10 +9,17 @@
#include "gstlibcamerasrc.h"
#include "gstlibcamerapad.h"
#include "gstlibcamera-utils.h"
struct _GstLibcameraSrc {
GstElement parent;
GstPad *srcpad;
gchar *camera_name;
};
enum {
PROP_0,
PROP_CAMERA_NAME
};
G_DEFINE_TYPE(GstLibcameraSrc, gst_libcamera_src, GST_TYPE_ELEMENT);
@@ -29,6 +36,52 @@ GstStaticPadTemplate request_src_template = {
"src_%s", GST_PAD_SRC, GST_PAD_REQUEST, TEMPLATE_CAPS
};
static void
gst_libcamera_src_set_property(GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec)
{
GLibLocker lock(GST_OBJECT(object));
GstLibcameraSrc *self = GST_LIBCAMERA_SRC(object);
switch (prop_id) {
case PROP_CAMERA_NAME:
g_free(self->camera_name);
self->camera_name = g_value_dup_string(value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
gst_libcamera_src_get_property(GObject *object, guint prop_id, GValue *value,
GParamSpec *pspec)
{
GLibLocker lock(GST_OBJECT(object));
GstLibcameraSrc *self = GST_LIBCAMERA_SRC(object);
switch (prop_id) {
case PROP_CAMERA_NAME:
g_value_set_string(value, self->camera_name);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
gst_libcamera_src_finalize(GObject *object)
{
GObjectClass *klass = G_OBJECT_CLASS(gst_libcamera_src_parent_class);
GstLibcameraSrc *self = GST_LIBCAMERA_SRC(object);
g_free(self->camera_name);
return klass->finalize(object);
}
static void
gst_libcamera_src_init(GstLibcameraSrc *self)
{
@@ -41,7 +94,12 @@ gst_libcamera_src_init(GstLibcameraSrc *self)
static void
gst_libcamera_src_class_init(GstLibcameraSrcClass *klass)
{
GstElementClass *element_class = (GstElementClass *)klass;
GstElementClass *element_class = GST_ELEMENT_CLASS(klass);
GObjectClass *object_class = G_OBJECT_CLASS(klass);
object_class->set_property = gst_libcamera_src_set_property;
object_class->get_property = gst_libcamera_src_get_property;
object_class->finalize = gst_libcamera_src_finalize;
gst_element_class_set_metadata(element_class,
"libcamera Source", "Source/Video",
@@ -53,4 +111,12 @@ gst_libcamera_src_class_init(GstLibcameraSrcClass *klass)
gst_element_class_add_static_pad_template_with_gtype(element_class,
&request_src_template,
GST_TYPE_LIBCAMERA_PAD);
GParamSpec *spec = g_param_spec_string("camera-name", "Camera Name",
"Select by name which camera to use.", nullptr,
(GParamFlags)(GST_PARAM_MUTABLE_READY
| G_PARAM_CONSTRUCT
| G_PARAM_READWRITE
| G_PARAM_STATIC_STRINGS));
g_object_class_install_property(object_class, PROP_CAMERA_NAME, spec);
}