From 2c93810ec1f155e7e517d3ebd88e131af310cdd2 Mon Sep 17 00:00:00 2001 From: Nicolas Dufresne Date: Tue, 25 Feb 2020 13:45:48 -0500 Subject: gst: libcamerasrc: Add camera-name property This property will be used to select by name the camera to use. Signed-off-by: Nicolas Dufresne Reviewed-by: Laurent Pinchart Signed-off-by: Laurent Pinchart --- src/gstreamer/gstlibcamerasrc.cpp | 68 ++++++++++++++++++++++++++++++++++++++- 1 file changed, 67 insertions(+), 1 deletion(-) (limited to 'src/gstreamer') diff --git a/src/gstreamer/gstlibcamerasrc.cpp b/src/gstreamer/gstlibcamerasrc.cpp index cba936cb..e0c1c4e5 100644 --- a/src/gstreamer/gstlibcamerasrc.cpp +++ b/src/gstreamer/gstlibcamerasrc.cpp @@ -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); } -- cgit v1.2.1