gstreamer/tests/elements/test-vaapisink.c

117 lines
2.9 KiB
C
Raw Normal View History

#include <stdio.h>
#include <string.h>
#include <gst/gst.h>
typedef struct _CustomData
{
GstElement *pipeline;
GstElement *video_sink;
GstElement *src_sink;
GMainLoop *loop;
GstPad *src_pad;
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_pad_push_event (data->src_pad, event);
g_print ("Sending event %p done: %d\n", event, res);
}
/* 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;
}
switch (g_ascii_tolower (str[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;
}
g_free (str);
return TRUE;
}
int
main (int argc, char *argv[])
{
AppData data;
GstStateChangeReturn ret;
GIOChannel *io_stdin;
/* Initialize GStreamer */
gst_init (&argc, &argv);
/* Initialize our data structure */
memset (&data, 0, sizeof (data));
/* 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 name=src ! vaapisink name=vaapisink", NULL);
data.video_sink = gst_bin_get_by_name (GST_BIN (data.pipeline), "vaapisink");
data.src_sink = gst_bin_get_by_name (GST_BIN (data.pipeline), "src");
data.src_pad = gst_element_get_static_pad (data.src_sink, "src");
/* 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");
gst_object_unref (data.pipeline);
return -1;
}
/* Create a GLib Main Loop and set it to run */
data.loop = g_main_loop_new (NULL, FALSE);
g_main_loop_run (data.loop);
/* Free resources */
g_main_loop_unref (data.loop);
g_io_channel_unref (io_stdin);
gst_element_set_state (data.pipeline, GST_STATE_NULL);
if (data.video_sink != NULL)
gst_object_unref (data.video_sink);
gst_object_unref (data.pipeline);
return 0;
}