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kayasrc: add exposure-time property

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This commit is contained in:
Joshua M. Doe 2018-07-17 15:10:06 -04:00
parent 3e7230e782
commit e7cdcb426d
2 changed files with 40 additions and 1 deletions
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39
sys/kaya/gstkayasrc.c
View File

@ -83,7 +83,8 @@ enum
PROP_NUM_CAPTURE_BUFFERS,
PROP_TIMEOUT,
PROP_PROJECT_FILE,
PROP_XML_FILE
PROP_XML_FILE,
PROP_EXPOSURE_TIME
};
#define DEFAULT_PROP_INTERFACE_INDEX 0
@ -92,6 +93,7 @@ enum
#define DEFAULT_PROP_TIMEOUT 1000
#define DEFAULT_PROP_PROJECT_FILE NULL
#define DEFAULT_PROP_XML_FILE NULL
#define DEFAULT_PROP_EXPOSURE_TIME 0
/* pad templates */
@ -176,6 +178,12 @@ gst_kayasrc_class_init (GstKayaSrcClass * klass)
DEFAULT_PROP_XML_FILE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
GST_PARAM_MUTABLE_READY)));
g_object_class_install_property (G_OBJECT_CLASS (klass),
PROP_EXPOSURE_TIME, g_param_spec_float ("exposure-time",
"Exposure time (us)",
"Sets the exposure time in microseconds",
0, G_MAXFLOAT, DEFAULT_PROP_EXPOSURE_TIME,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE));
}
static void
@ -226,6 +234,7 @@ gst_kayasrc_init (GstKayaSrc * src)
src->timeout = DEFAULT_PROP_TIMEOUT;
src->project_file = DEFAULT_PROP_PROJECT_FILE;
src->xml_file = DEFAULT_PROP_PROJECT_FILE;
src->exposure_time = DEFAULT_PROP_EXPOSURE_TIME;
src->queue = g_async_queue_new ();
src->caps = NULL;
@ -236,6 +245,24 @@ gst_kayasrc_init (GstKayaSrc * src)
gst_kayasrc_cleanup (src);
}
static void
gst_kayasrc_get_exposure_time (GstKayaSrc * src)
{
if (src->cam_handle != INVALID_CAMHANDLE) {
src->exposure_time =
KYFG_GetCameraValueFloat (src->cam_handle, "ExposureTime");
}
}
static void
gst_kayasrc_set_exposure_time (GstKayaSrc * src)
{
if (src->cam_handle != INVALID_CAMHANDLE) {
KYFG_SetCameraValueFloat (src->cam_handle, "ExposureTime",
src->exposure_time);
}
}
void
gst_kayasrc_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
@ -265,6 +292,10 @@ gst_kayasrc_set_property (GObject * object, guint property_id,
g_free (src->xml_file);
src->xml_file = g_value_dup_string (value);
break;
case PROP_EXPOSURE_TIME:
src->exposure_time = g_value_get_float (value);
gst_kayasrc_set_exposure_time (src);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@ -299,6 +330,10 @@ gst_kayasrc_get_property (GObject * object, guint property_id,
case PROP_XML_FILE:
g_value_set_string (value, src->xml_file);
break;
case PROP_EXPOSURE_TIME:
gst_kayasrc_get_exposure_time (src);
g_value_set_float (value, src->exposure_time);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@ -435,6 +470,8 @@ gst_kayasrc_start (GstBaseSrc * bsrc)
}
src->cam_handle = cam_handles[src->device_index];
gst_kayasrc_set_exposure_time (src);
ret =
KYFG_CameraCallbackRegister (src->cam_handle, gst_kayasrc_stream_callback,
src);

2
sys/kaya/gstkayasrc.h
View File

@ -32,6 +32,7 @@ G_BEGIN_DECLS
#define GST_IS_KAYA_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_KAYA_SRC))
#define GST_IS_KAYA_SRC_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_KAYA_SRC))
typedef struct _GstKayaSrc GstKayaSrc;
typedef struct _GstKayaSrcClass GstKayaSrcClass;
@ -53,6 +54,7 @@ struct _GstKayaSrc
gint timeout;
gchar *project_file;
gchar *xml_file;
gfloat exposure_time;
gboolean acquisition_started;
gboolean stop_requested;