tami/gst-plugin-linescan
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added auto exposure

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This commit is contained in:
yair
2025-11-16 04:00:14 +02:00
parent acbd8ec416
commit 6654b99eab
4 changed files with 118 additions and 15 deletions
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52
sys/idsueye/gstidsueyesrc.c
View File

@@ -74,7 +74,8 @@ enum
PROP_TIMEOUT,
PROP_EXPOSURE,
PROP_FRAMERATE,
PROP_GAIN
PROP_GAIN,
PROP_AUTO_EXPOSURE
};
#define DEFAULT_PROP_CAMERA_ID 0
@@ -85,6 +86,7 @@ enum
#define DEFAULT_PROP_EXPOSURE 0
#define DEFAULT_PROP_FRAMERATE 0
#define DEFAULT_PROP_GAIN 0
#define DEFAULT_PROP_AUTO_EXPOSURE FALSE
/* pad templates */
@@ -169,6 +171,10 @@ gst_idsueyesrc_class_init (GstIdsueyeSrcClass * klass)
"Master gain (0-100, 0 for auto)", 0, 100,
DEFAULT_PROP_GAIN,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_AUTO_EXPOSURE,
g_param_spec_boolean ("auto-exposure", "Auto Exposure",
"Enable automatic exposure control", DEFAULT_PROP_AUTO_EXPOSURE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
}
static void
@@ -204,6 +210,7 @@ gst_idsueyesrc_init (GstIdsueyeSrc * src)
src->exposure = DEFAULT_PROP_EXPOSURE;
src->framerate = DEFAULT_PROP_FRAMERATE;
src->gain = DEFAULT_PROP_GAIN;
src->auto_exposure = DEFAULT_PROP_AUTO_EXPOSURE;
src->stop_requested = FALSE;
src->caps = NULL;
@@ -259,6 +266,12 @@ gst_idsueyesrc_set_property (GObject * object, guint property_id,
}
}
break;
case PROP_AUTO_EXPOSURE:
src->auto_exposure = g_value_get_boolean (value);
if (src->is_started) {
gst_idsueyesrc_set_framerate_exposure (src);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@@ -299,6 +312,9 @@ gst_idsueyesrc_get_property (GObject * object, guint property_id,
case PROP_GAIN:
g_value_set_int (value, src->gain);
break;
case PROP_AUTO_EXPOSURE:
g_value_set_boolean (value, src->auto_exposure);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@@ -925,12 +941,34 @@ gst_idsueyesrc_set_framerate_exposure (GstIdsueyeSrc * src)
success = FALSE;
}
ret =
is_Exposure (src->hCam, IS_EXPOSURE_CMD_SET_EXPOSURE, &src->exposure, 8);
if (ret != IS_SUCCESS) {
GST_WARNING_OBJECT (src, "Failed to set exposure to %.3f (error %d)",
src->exposure, ret);
success = FALSE;
/* Handle auto-exposure */
if (src->auto_exposure) {
/* Enable auto shutter (auto exposure) */
double enable = 1.0;
ret = is_SetAutoParameter (src->hCam, IS_SET_ENABLE_AUTO_SHUTTER,
&enable, NULL);
if (ret != IS_SUCCESS) {
GST_WARNING_OBJECT (src, "Failed to enable auto exposure (error %d)", ret);
success = FALSE;
} else {
GST_DEBUG_OBJECT (src, "Auto exposure enabled");
}
} else {
/* Disable auto shutter and set manual exposure */
double disable = 0.0;
ret = is_SetAutoParameter (src->hCam, IS_SET_ENABLE_AUTO_SHUTTER,
&disable, NULL);
if (ret != IS_SUCCESS) {
GST_WARNING_OBJECT (src, "Failed to disable auto exposure (error %d)", ret);
}
/* Set manual exposure */
ret = is_Exposure (src->hCam, IS_EXPOSURE_CMD_SET_EXPOSURE, &src->exposure, 8);
if (ret != IS_SUCCESS) {
GST_WARNING_OBJECT (src, "Failed to set exposure to %.3f (error %d)",
src->exposure, ret);
success = FALSE;
}
}
/* Set gain if specified (0 means use default/auto) */

1
sys/idsueye/gstidsueyesrc.h
View File

@@ -58,6 +58,7 @@ struct _GstIdsueyeSrc
gdouble exposure;
gdouble framerate;
gint gain;
gboolean auto_exposure;
GstClockTime acq_start_time;
guint32 last_frame_count;