1 /*
2 * Copyright (c) 2015, Igalia S.L
3 * Author: Philippe Normand <philn@igalia.com>
4 * Licence: LGPL. (See COPYING.LGPL)
5 */
6
7 #include <glib.h>
8 #include <gst/gst.h>
9 #include <gst/video/videoorientation.h>
10
11 #define PIPELINE "rpicamsrc name=src preview=0 fullscreen=0 ! h264parse ! omxh264dec ! glimagesink sync=0"
12
13 static void
configure_orientation(GstVideoOrientation * orientation)14 configure_orientation (GstVideoOrientation * orientation)
15 {
16 gboolean flip;
17
18 if (gst_video_orientation_get_hflip (orientation, &flip)) {
19 g_print ("current hflip: %s\n", flip ? "enabled" : "disabled");
20
21 if (g_getenv ("HFLIP"))
22 gst_video_orientation_set_hflip (orientation, TRUE);
23
24 gst_video_orientation_get_hflip (orientation, &flip);
25 g_print ("new hflip: %s\n", flip ? "enabled" : "disabled");
26 }
27
28 if (gst_video_orientation_get_vflip (orientation, &flip)) {
29 g_print ("current vflip: %s\n", flip ? "enabled" : "disabled");
30
31 if (g_getenv ("VFLIP"))
32 gst_video_orientation_set_vflip (orientation, TRUE);
33
34 gst_video_orientation_get_vflip (orientation, &flip);
35 g_print ("new vflip: %s\n", flip ? "enabled" : "disabled");
36 }
37 }
38
39 int
main(int argc,char ** argv)40 main (int argc, char **argv)
41 {
42 GMainLoop *loop;
43 GstElement *pipeline;
44 GError *error = NULL;
45 GstElement *src;
46 GstVideoOrientation *orientation;
47
48 gst_init (&argc, &argv);
49 loop = g_main_loop_new (NULL, FALSE);
50
51 pipeline = gst_parse_launch (PIPELINE, &error);
52 if (error != NULL) {
53 g_printerr ("Error parsing '%s': %s", PIPELINE, error->message);
54 g_error_free (error);
55 return -1;
56 }
57
58 gst_element_set_state (pipeline, GST_STATE_PLAYING);
59 src = gst_bin_get_by_name (GST_BIN (pipeline), "src");
60 if (!src) {
61 g_printerr ("Source element not found\n");
62 return -2;
63 }
64
65 orientation = GST_VIDEO_ORIENTATION (src);
66 configure_orientation (orientation);
67 g_main_loop_run (loop);
68
69 gst_object_unref (src);
70 gst_element_set_state (pipeline, GST_STATE_NULL);
71 return 0;
72 }
73