mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-14 13:21:28 +00:00
83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
/* GStreamer
|
|
* Copyright (C) <2017> Philippe Renon <philippe_renon@yahoo.fr>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "cameraevent.hpp"
|
|
|
|
#include <opencv2/opencv.hpp>
|
|
|
|
/**
|
|
* gst_camera_event_new_calibrated:
|
|
* @settings: .
|
|
*
|
|
* Creates a new calibrated event.
|
|
*
|
|
* To parse an event created by gst_camera_event_new_calibrated() use
|
|
* gst_camera_event_parse_calibrated().
|
|
*
|
|
* Returns: The new GstEvent
|
|
*/
|
|
GstEvent *
|
|
gst_camera_event_new_calibrated (gchar * settings)
|
|
{
|
|
GstEvent *calibrated_event;
|
|
GstStructure *s;
|
|
|
|
s = gst_structure_new (GST_CAMERA_EVENT_CALIBRATED_NAME,
|
|
"undistort-settings", G_TYPE_STRING, g_strdup (settings), NULL);
|
|
|
|
calibrated_event = gst_event_new_custom (GST_EVENT_CUSTOM_BOTH, s);
|
|
|
|
return calibrated_event;
|
|
}
|
|
|
|
/**
|
|
* gst_camera_event_parse_calibrated:
|
|
* @event: A #GstEvent to parse
|
|
* @in_still: A boolean to receive the still-frame status from the event, or NULL
|
|
*
|
|
* Parse a #GstEvent, identify if it is a calibrated event, and
|
|
* return the s.
|
|
*
|
|
* Create a calibrated event using gst_camera_event_new_calibrated()
|
|
*
|
|
* Returns: %TRUE if the event is a valid calibrated event. %FALSE if not
|
|
*/
|
|
gboolean
|
|
gst_camera_event_parse_calibrated (GstEvent * event, gchar ** settings)
|
|
{
|
|
const GstStructure *s;
|
|
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
if (GST_EVENT_TYPE (event) != GST_EVENT_CUSTOM_BOTH)
|
|
return FALSE; /* Not a calibrated event */
|
|
|
|
s = gst_event_get_structure (event);
|
|
if (s == NULL
|
|
|| !gst_structure_has_name (s, GST_CAMERA_EVENT_CALIBRATED_NAME))
|
|
return FALSE; /* Not a calibrated event */
|
|
|
|
const gchar *str = gst_structure_get_string (s, "undistort-settings");
|
|
if (!str)
|
|
return FALSE; /* Not calibrated frame event */
|
|
|
|
*settings = g_strdup (str);
|
|
|
|
return TRUE;
|
|
}
|