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qcamsrc: add region of interest (ROI) properties

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This commit is contained in:
Joshua M. Doe 2021-01-19 16:02:19 -05:00
parent c72458c918
commit f1b31927f3
2 changed files with 63 additions and 6 deletions
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63
sys/qcam/gstqcamsrc.c
View File

@ -74,7 +74,11 @@ enum
PROP_EXPOSURE,
PROP_GAIN,
PROP_OFFSET,
PROP_FORMAT
PROP_FORMAT,
PROP_X,
PROP_Y,
PROP_WIDTH,
PROP_HEIGHT
};
#define DEFAULT_PROP_DEVICE_INDEX 0
@ -84,6 +88,10 @@ enum
#define DEFAULT_PROP_GAIN 1.0
#define DEFAULT_PROP_OFFSET 0
#define DEFAULT_PROP_FORMAT qfmtMono16
#define DEFAULT_PROP_X 0
#define DEFAULT_PROP_Y 0
#define DEFAULT_PROP_WIDTH 0
#define DEFAULT_PROP_HEIGHT 0
/* pad templates */
@ -182,6 +190,22 @@ gst_qcamsrc_class_init (GstQcamSrcClass * klass)
g_param_spec_int ("format", "Image format",
"Image format (2=GRAY8, 3=GRAY16_LE)", 2, 3, DEFAULT_PROP_FORMAT,
(GParamFlags) (G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE)));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_X,
g_param_spec_int ("x", "ROI x pixel",
"ROI x pixel position", 0, G_MAXINT, DEFAULT_PROP_X,
(GParamFlags) (G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE)));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_Y,
g_param_spec_int ("y", "ROI y pixel",
"ROI y pixel position", 0, G_MAXINT, DEFAULT_PROP_Y,
(GParamFlags) (G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE)));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_WIDTH,
g_param_spec_int ("width", "ROI width",
"ROI width", 0, G_MAXINT, DEFAULT_PROP_WIDTH,
(GParamFlags) (G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE)));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_HEIGHT,
g_param_spec_int ("height", "ROI height",
"ROI height", 0, G_MAXINT, DEFAULT_PROP_HEIGHT,
(GParamFlags) (G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE)));
}
static void
@ -193,6 +217,10 @@ gst_qcamsrc_reset (GstQcamSrc * src)
src->gain = DEFAULT_PROP_GAIN;
src->offset = DEFAULT_PROP_OFFSET;
src->format = DEFAULT_PROP_FORMAT;
src->x = DEFAULT_PROP_X;
src->y = DEFAULT_PROP_Y;
src->width = DEFAULT_PROP_WIDTH;
src->height = DEFAULT_PROP_HEIGHT;
src->last_frame_count = 0;
src->total_dropped_frames = 0;
@ -202,9 +230,6 @@ gst_qcamsrc_reset (GstQcamSrc * src)
src->caps = NULL;
}
src->width = 0;
src->height = 0;
if (src->queue) {
// TODO: remove dangling buffers
g_async_queue_unref (src->queue);
@ -297,6 +322,18 @@ gst_qcamsrc_set_property (GObject * object, guint property_id,
case PROP_FORMAT:
src->format = g_value_get_int (value);
break;
case PROP_X:
src->x = g_value_get_int (value);
break;
case PROP_Y:
src->y = g_value_get_int (value);
break;
case PROP_WIDTH:
src->width = GST_ROUND_DOWN_4 (g_value_get_int (value));
break;
case PROP_HEIGHT:
src->height = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@ -334,6 +371,18 @@ gst_qcamsrc_get_property (GObject * object, guint property_id,
case PROP_FORMAT:
g_value_set_int (value, src->format);
break;
case PROP_X:
g_value_set_int (value, src->x);
break;
case PROP_Y:
g_value_set_int (value, src->y);
break;
case PROP_WIDTH:
g_value_set_int (value, src->width);
break;
case PROP_HEIGHT:
g_value_set_int (value, src->height);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
@ -467,6 +516,12 @@ gst_qcamsrc_setup_stream (GstQcamSrc * src)
}
err = QCam_SetParam (&src->qsettings, qprmImageFormat, src->format);
err = QCam_SetParam (&src->qsettings, qprmRoiX, src->x);
err = QCam_SetParam (&src->qsettings, qprmRoiX, src->y);
if (src->width > 0)
err = QCam_SetParam (&src->qsettings, qprmRoiWidth, src->width);
if (src->height > 0)
err = QCam_SetParam (&src->qsettings, qprmRoiHeight, src->height);
gst_qcamsrc_set_exposure (src, src->exposure);
gst_qcamsrc_set_gain (src, src->gain);
gst_qcamsrc_set_offset (src, src->offset);

6
sys/qcam/gstqcamsrc.h
View File

@ -51,6 +51,10 @@ struct _GstQcamSrc
gfloat gain;
gint offset;
gint format;
gint x;
gint y;
gint width;
gint height;
GAsyncQueue *queue;
GstClockTime base_time;
@ -59,8 +63,6 @@ struct _GstQcamSrc
guint32 total_dropped_frames;
GstCaps *caps;
gint width;
gint height;
gboolean stop_requested;
};