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72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/*
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* Copyright (c) 2015, Igalia S.L
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* Author: Philippe Normand <philn@igalia.com>
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* Licence: LGPL. (See COPYING.LGPL)
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*/
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#include <glib.h>
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#include <gst/gst.h>
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#include <gst/video/videoorientation.h>
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#define PIPELINE "rpicamsrc name=src preview=0 fullscreen=0 ! h264parse ! omxh264dec ! glimagesink sync=0"
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static void
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configure_orientation (GstVideoOrientation * orientation)
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{
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gboolean flip;
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if (gst_video_orientation_get_hflip (orientation, &flip)) {
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g_print ("current hflip: %s\n", flip ? "enabled" : "disabled");
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if (g_getenv ("HFLIP"))
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gst_video_orientation_set_hflip (orientation, TRUE);
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gst_video_orientation_get_hflip (orientation, &flip);
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g_print ("new hflip: %s\n", flip ? "enabled" : "disabled");
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}
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if (gst_video_orientation_get_vflip (orientation, &flip)) {
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g_print ("current vflip: %s\n", flip ? "enabled" : "disabled");
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if (g_getenv ("VFLIP"))
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gst_video_orientation_set_vflip (orientation, TRUE);
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gst_video_orientation_get_vflip (orientation, &flip);
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g_print ("new vflip: %s\n", flip ? "enabled" : "disabled");
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}
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}
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int
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main (int argc, char **argv)
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{
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GMainLoop *loop;
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GstElement *pipeline;
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GError *error = NULL;
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GstElement *src;
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GstVideoOrientation *orientation;
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gst_init (&argc, &argv);
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loop = g_main_loop_new (NULL, FALSE);
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pipeline = gst_parse_launch (PIPELINE, &error);
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if (error != NULL) {
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g_printerr ("Error parsing '%s': %s", PIPELINE, error->message);
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g_error_free (error);
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return -1;
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}
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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src = gst_bin_get_by_name (GST_BIN (pipeline), "src");
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if (!src) {
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g_printerr ("Source element not found\n");
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return -2;
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}
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orientation = GST_VIDEO_ORIENTATION (src);
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configure_orientation (orientation);
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g_main_loop_run (loop);
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gst_object_unref (src);
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gst_element_set_state (pipeline, GST_STATE_NULL);
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return 0;
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}
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