gstreamer/tests/elements/test-vaapisink.c
Víctor Manuel Jáquez Leal f133c3d67e tests: elements: vaapisink: handle nav events
The test app can now handle navigation events to rotate the
display.
2017-05-12 18:46:50 +02:00

155 lines
3.7 KiB
C

#include <stdio.h>
#include <string.h>
#include <gst/gst.h>
#include <gst/video/navigation.h>
typedef struct _CustomData
{
GstElement *pipeline;
GstElement *video_sink;
GMainLoop *loop;
gboolean orient_automatic;
} AppData;
static void
send_rotate_event (AppData * data)
{
gboolean res = FALSE;
GstEvent *event;
static gint counter = 0;
const static gchar *tags[] = { "rotate-90", "rotate-180", "rotate-270",
"rotate-0"
};
event = gst_event_new_tag (gst_tag_list_new (GST_TAG_IMAGE_ORIENTATION,
tags[counter++ % G_N_ELEMENTS (tags)], NULL));
/* Send the event */
res = gst_element_send_event (data->pipeline, event);
g_print ("Sending event %p done: %d\n", event, res);
}
static void
keyboard_cb (const gchar * key, AppData * data)
{
switch (g_ascii_tolower (key[0])) {
case 'r':
send_rotate_event (data);
break;
case 's':{
g_object_set (G_OBJECT (data->video_sink), "rotation", 360, NULL);
break;
}
case 'q':
g_main_loop_quit (data->loop);
break;
default:
break;
}
}
static gboolean
bus_msg (GstBus * bus, GstMessage * msg, gpointer user_data)
{
AppData *data = user_data;
switch (GST_MESSAGE_TYPE (msg)) {
case GST_MESSAGE_ELEMENT:
{
GstNavigationMessageType mtype = gst_navigation_message_get_type (msg);
if (mtype == GST_NAVIGATION_MESSAGE_EVENT) {
GstEvent *ev = NULL;
if (gst_navigation_message_parse_event (msg, &ev)) {
GstNavigationEventType type = gst_navigation_event_get_type (ev);
if (type == GST_NAVIGATION_EVENT_KEY_PRESS) {
const gchar *key;
if (gst_navigation_event_parse_key_event (ev, &key))
keyboard_cb (key, data);
}
}
if (ev)
gst_event_unref (ev);
}
break;
}
default:
break;
}
return TRUE;
}
/* Process keyboard input */
static gboolean
handle_keyboard (GIOChannel * source, GIOCondition cond, AppData * data)
{
gchar *str = NULL;
if (g_io_channel_read_line (source, &str, NULL, NULL,
NULL) != G_IO_STATUS_NORMAL) {
return TRUE;
}
keyboard_cb (str, data);
g_free (str);
return TRUE;
}
int
main (int argc, char *argv[])
{
AppData data;
GstStateChangeReturn ret;
GIOChannel *io_stdin;
GError *err = NULL;
guint srcid;
/* Initialize GStreamer */
gst_init (&argc, &argv);
/* Print usage map */
g_print ("USAGE: Choose one of the following options, then press enter:\n"
" 'r' to send image-orientation tag event\n"
" 's' to set orient-automatic\n" " 'Q' to quit\n");
data.pipeline = gst_parse_launch ("videotestsrc ! vaapisink name=sink", &err);
if (err) {
g_printerr ("failed to create pipeline: %s\n", err->message);
g_error_free (err);
return -1;
}
data.video_sink = gst_bin_get_by_name (GST_BIN (data.pipeline), "sink");
srcid = gst_bus_add_watch (GST_ELEMENT_BUS (data.pipeline), bus_msg, &data);
/* Add a keyboard watch so we get notified of keystrokes */
io_stdin = g_io_channel_unix_new (fileno (stdin));
g_io_add_watch (io_stdin, G_IO_IN, (GIOFunc) handle_keyboard, &data);
/* Start playing */
ret = gst_element_set_state (data.pipeline, GST_STATE_PLAYING);
if (ret == GST_STATE_CHANGE_FAILURE) {
g_printerr ("Unable to set the pipeline to the playing state.\n");
goto bail;
}
/* Create a GLib Main Loop and set it to run */
data.loop = g_main_loop_new (NULL, FALSE);
g_main_loop_run (data.loop);
gst_element_set_state (data.pipeline, GST_STATE_NULL);
bail:
/* Free resources */
g_source_remove (srcid);
g_main_loop_unref (data.loop);
g_io_channel_unref (io_stdin);
gst_object_unref (data.video_sink);
gst_object_unref (data.pipeline);
return 0;
}