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androidcamera: Adding device-orientation and device-facing properties

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This commit is contained in:
Youness Alaoui 2012-10-30 12:13:12 -04:00 committed by Nicolas Dufresne
parent a08c895303
commit 02f36d92bc
1 changed files with 53 additions and 17 deletions
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70
sys/androidcamera/gstahcsrc.c
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@ -74,6 +74,8 @@ enum
{ {
PROP_0, PROP_0,
PROP_DEVICE, PROP_DEVICE,
PROP_DEVICE_FACING,
PROP_DEVICE_ORIENTATION,
}; };
#define DEFAULT_DEVICE "0" #define DEFAULT_DEVICE "0"
@ -81,6 +83,27 @@ enum
GST_BOILERPLATE_FULL (GstAHCSrc, gst_ahc_src, GstPushSrc, GST_TYPE_PUSH_SRC, GST_BOILERPLATE_FULL (GstAHCSrc, gst_ahc_src, GstPushSrc, GST_TYPE_PUSH_SRC,
gst_ahc_src_init_interfaces); gst_ahc_src_init_interfaces);
#define CAMERA_FACING_BACK 0
#define CAMERA_FACING_FRONT 1
static GType
gst_ahc_src_facing_get_type (void)
{
static GType type = 0;
static const GEnumValue types[] = {
{CAMERA_FACING_BACK, "Back", "back"},
{CAMERA_FACING_FRONT, "Front", "front"},
{0, NULL, NULL}
};
if (!type) {
type = g_enum_register_static ("GstAHCSrcFacing", types);
}
return type;
}
#define GST_AHC_SRC_FACING_TYPE (gst_ahc_src_facing_get_type())
static void static void
gst_ahc_src_init_interfaces (GType type) gst_ahc_src_init_interfaces (GType type)
{ {
@ -141,6 +164,17 @@ gst_ahc_src_class_init (GstAHCSrcClass * klass)
"Device ID", DEFAULT_DEVICE, "Device ID", DEFAULT_DEVICE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS)); G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_DEVICE_ORIENTATION,
g_param_spec_int ("device-orientation", "Device orientation",
"The orientation of the camera image",
0, 360, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_DEVICE_FACING,
g_param_spec_enum ("device-facing", "Device facing",
"The direction that the camera faces",
GST_AHC_SRC_FACING_TYPE, CAMERA_FACING_BACK,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
klass->probe_properties = NULL; klass->probe_properties = NULL;
} }
@ -216,6 +250,25 @@ gst_ahc_src_get_property (GObject * object, guint prop_id,
g_value_take_string (value, dev); g_value_take_string (value, dev);
} }
break; break;
case PROP_DEVICE_FACING:{
GstAHCCameraInfo info;
if (gst_ah_camera_get_camera_info (self->device, &info))
g_value_set_enum (value, info.facing == CameraInfo_CAMERA_FACING_BACK ?
CAMERA_FACING_BACK : CAMERA_FACING_FRONT);
else
g_value_set_enum (value, CAMERA_FACING_BACK);
}
break;
case PROP_DEVICE_ORIENTATION:{
GstAHCCameraInfo info;
if (gst_ah_camera_get_camera_info (self->device, &info))
g_value_set_int (value, info.orientation);
else
g_value_set_int (value, 0);
}
break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;
@ -727,23 +780,6 @@ gst_ahc_src_change_state (GstElement * element, GstStateChange transition)
case GST_STATE_CHANGE_NULL_TO_READY: case GST_STATE_CHANGE_NULL_TO_READY:
{ {
gint num_cams = gst_ah_camera_get_number_of_cameras (); gint num_cams = gst_ah_camera_get_number_of_cameras ();
gint i;
GST_DEBUG_OBJECT (self, "Found %d cameras on the system", num_cams);
for (i = 0; i < num_cams; i++) {
GstAHCCameraInfo info;
if (gst_ah_camera_get_camera_info (i, &info)) {
GST_DEBUG_OBJECT (self, "Camera info for %d", i);
GST_DEBUG_OBJECT (self, " Facing: %s (%d)",
info.facing == CameraInfo_CAMERA_FACING_BACK ? "Back" : "Front",
info.facing);
GST_DEBUG_OBJECT (self, " Orientation: %d degrees",
info.orientation);
} else {
GST_DEBUG_OBJECT (self, "Error getting camera info for %d", i);
}
}
if (num_cams > 0) { if (num_cams > 0) {
if (!gst_ahc_src_open (self)) if (!gst_ahc_src_open (self))