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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
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/*
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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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void 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 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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