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add auto gain

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This commit is contained in:
yair
2025-11-16 04:05:26 +02:00
parent 6654b99eab
commit 43878b36e2
4 changed files with 108 additions and 12 deletions
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52
sys/idsueye/gstidsueyesrc.c
View File

@@ -75,7 +75,8 @@ enum
PROP_EXPOSURE,
PROP_FRAMERATE,
PROP_GAIN,
PROP_AUTO_EXPOSURE
PROP_AUTO_EXPOSURE,
PROP_AUTO_GAIN
};
#define DEFAULT_PROP_CAMERA_ID 0
@@ -87,6 +88,7 @@ enum
#define DEFAULT_PROP_FRAMERATE 0
#define DEFAULT_PROP_GAIN 0
#define DEFAULT_PROP_AUTO_EXPOSURE FALSE
#define DEFAULT_PROP_AUTO_GAIN FALSE
/* pad templates */
@@ -175,6 +177,10 @@ gst_idsueyesrc_class_init (GstIdsueyeSrcClass * klass)
g_param_spec_boolean ("auto-exposure", "Auto Exposure",
"Enable automatic exposure control", DEFAULT_PROP_AUTO_EXPOSURE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_AUTO_GAIN,
g_param_spec_boolean ("auto-gain", "Auto Gain",
"Enable automatic gain control", DEFAULT_PROP_AUTO_GAIN,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
}
static void
@@ -211,6 +217,7 @@ gst_idsueyesrc_init (GstIdsueyeSrc * src)
src->framerate = DEFAULT_PROP_FRAMERATE;
src->gain = DEFAULT_PROP_GAIN;
src->auto_exposure = DEFAULT_PROP_AUTO_EXPOSURE;
src->auto_gain = DEFAULT_PROP_AUTO_GAIN;
src->stop_requested = FALSE;
src->caps = NULL;
@@ -272,6 +279,12 @@ gst_idsueyesrc_set_property (GObject * object, guint property_id,
gst_idsueyesrc_set_framerate_exposure (src);
}
break;
case PROP_AUTO_GAIN:
src->auto_gain = 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;
@@ -315,6 +328,9 @@ gst_idsueyesrc_get_property (GObject * object, guint property_id,
case PROP_AUTO_EXPOSURE:
g_value_set_boolean (value, src->auto_exposure);
break;
case PROP_AUTO_GAIN:
g_value_set_boolean (value, src->auto_gain);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@@ -971,14 +987,36 @@ gst_idsueyesrc_set_framerate_exposure (GstIdsueyeSrc * src)
}
}
/* Set gain if specified (0 means use default/auto) */
if (src->gain > 0) {
ret = is_SetHardwareGain (src->hCam, src->gain, IS_IGNORE_PARAMETER,
IS_IGNORE_PARAMETER, IS_IGNORE_PARAMETER);
/* Handle auto-gain */
if (src->auto_gain) {
/* Enable auto gain */
double enable = 1.0;
ret = is_SetAutoParameter (src->hCam, IS_SET_ENABLE_AUTO_GAIN,
&enable, NULL);
if (ret != IS_SUCCESS) {
GST_WARNING_OBJECT (src, "Failed to set gain to %d (error %d)",
src->gain, ret);
GST_WARNING_OBJECT (src, "Failed to enable auto gain (error %d)", ret);
success = FALSE;
} else {
GST_DEBUG_OBJECT (src, "Auto gain enabled");
}
} else {
/* Disable auto gain */
double disable = 0.0;
ret = is_SetAutoParameter (src->hCam, IS_SET_ENABLE_AUTO_GAIN,
&disable, NULL);
if (ret != IS_SUCCESS) {
GST_WARNING_OBJECT (src, "Failed to disable auto gain (error %d)", ret);
}
/* Set manual gain if specified (0 means use default) */
if (src->gain > 0) {
ret = is_SetHardwareGain (src->hCam, src->gain, IS_IGNORE_PARAMETER,
IS_IGNORE_PARAMETER, IS_IGNORE_PARAMETER);
if (ret != IS_SUCCESS) {
GST_WARNING_OBJECT (src, "Failed to set gain to %d (error %d)",
src->gain, ret);
success = FALSE;
}
}
}

1
sys/idsueye/gstidsueyesrc.h
View File

@@ -59,6 +59,7 @@ struct _GstIdsueyeSrc
gdouble framerate;
gint gain;
gboolean auto_exposure;
gboolean auto_gain;
GstClockTime acq_start_time;
guint32 last_frame_count;