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examples: win32-videooverlay: Add an option for testing reuse of external window

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Adding "repeat" option to test a case where external window is reused.
This commit is contained in:
Seungha Yang 2019-11-13 19:37:29 +09:00 committed by GStreamer Merge Bot
parent fab2d6d60c
commit ed651022cb
1 changed files with 56 additions and 26 deletions
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82
tests/examples/overlay/win32-videooverlay.c
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@ -30,6 +30,7 @@
static GMainLoop *loop = NULL;
static gboolean visible = FALSE;
static gboolean test_reuse = FALSE;
static GIOChannel *msg_io_channel;
static HWND hwnd = NULL;
@ -77,6 +78,7 @@ bus_msg (GstBus * bus, GstMessage * msg, gpointer user_data)
g_printerr ("ERROR debug information: %s\n", dbg);
g_clear_error (&err);
g_free (dbg);
test_reuse = FALSE;
g_main_loop_quit (loop);
break;
@ -102,6 +104,14 @@ msg_cb (GIOChannel * source, GIOCondition condition, gpointer data)
return G_SOURCE_CONTINUE;
}
static gboolean
timeout_cb (gpointer user_data)
{
g_main_loop_quit ((GMainLoop *) user_data);
return G_SOURCE_REMOVE;
}
gint
main (gint argc, gchar ** argv)
{
@ -109,7 +119,6 @@ main (gint argc, gchar ** argv)
GstStateChangeReturn sret;
WNDCLASSEX wc = { 0, };
HINSTANCE hinstance = GetModuleHandle (NULL);
GstBus *bus;
GIOChannel *msg_io_channel;
GOptionContext *option_ctx;
GError *error = NULL;
@ -117,25 +126,30 @@ main (gint argc, gchar ** argv)
gchar *title = NULL;
RECT wr = { 0, 0, 320, 240 };
gint exitcode = 0;
gboolean ret;
GOptionEntry options[] = {
{"videosink", 0, 0, G_OPTION_ARG_STRING, &video_sink,
"Video sink to use (default is glimagesink)", NULL}
,
{"repeat", 0, 0, G_OPTION_ARG_NONE, &test_reuse,
"Test reuse video sink element", NULL}
,
{NULL}
};
gint num_repeat = 0;
option_ctx = g_option_context_new ("WIN32 video overlay example");
g_option_context_add_main_entries (option_ctx, options, NULL);
g_option_context_set_help_enabled (option_ctx, TRUE);
if (!g_option_context_parse (option_ctx, &argc, &argv, &error)) {
g_option_context_add_group (option_ctx, gst_init_get_option_group ());
ret = g_option_context_parse (option_ctx, &argc, &argv, &error);
g_option_context_free (option_ctx);
if (!ret) {
g_printerr ("option parsing failed: %s\n", error->message);
g_clear_error (&error);
exit (1);
}
g_option_context_free (option_ctx);
gst_init (NULL, NULL);
/* prepare window */
wc.cbSize = sizeof (WNDCLASSEX);
wc.style = CS_HREDRAW | CS_VREDRAW;
@ -145,8 +159,10 @@ main (gint argc, gchar ** argv)
wc.lpszClassName = "GstWIN32VideoOverlay";
RegisterClassEx (&wc);
title = g_strdup_printf ("%s - Win32-VideoOverlay",
video_sink ? video_sink : DEFAULT_VIDEO_SINK);
if (!video_sink)
video_sink = g_strdup (DEFAULT_VIDEO_SINK);
title = g_strdup_printf ("%s - Win32-VideoOverlay", video_sink);
AdjustWindowRect (&wr, WS_OVERLAPPEDWINDOW, FALSE);
hwnd = CreateWindowEx (0, wc.lpszClassName,
@ -163,35 +179,48 @@ main (gint argc, gchar ** argv)
/* prepare the pipeline */
pipeline = gst_pipeline_new ("win32-overlay");
src = gst_element_factory_make ("videotestsrc", NULL);
if (video_sink) {
sink = gst_element_factory_make (video_sink, NULL);
} else {
sink = gst_element_factory_make (DEFAULT_VIDEO_SINK, NULL);
}
sink = gst_element_factory_make (video_sink, NULL);
if (!sink) {
g_printerr ("%s element is not available\n",
video_sink ? video_sink : DEFAULT_VIDEO_SINK);
g_printerr ("%s element is not available\n", video_sink);
exitcode = 1;
goto terminate;
}
gst_bin_add_many (GST_BIN (pipeline), src, sink, NULL);
gst_element_link (src, sink);
gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (sink),
(guintptr) hwnd);
gst_bus_add_watch (GST_ELEMENT_BUS (pipeline), bus_msg, pipeline);
/* run the pipeline */
sret = gst_element_set_state (pipeline, GST_STATE_PAUSED);
if (sret == GST_STATE_CHANGE_FAILURE) {
g_printerr ("Pipeline doesn't want to pause\n");
} else {
g_main_loop_run (loop);
}
do {
gst_print ("Running loop %d\n", num_repeat++);
gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (sink),
(guintptr) hwnd);
sret = gst_element_set_state (pipeline, GST_STATE_PAUSED);
if (sret == GST_STATE_CHANGE_FAILURE) {
g_printerr ("Pipeline doesn't want to pause\n");
break;
} else {
/* add timer to repeat and reuse pipeline */
if (test_reuse) {
GSource *timeout_source = g_timeout_source_new_seconds (3);
g_source_set_callback (timeout_source,
(GSourceFunc) timeout_cb, loop, NULL);
g_source_attach (timeout_source, NULL);
g_source_unref (timeout_source);
}
g_main_loop_run (loop);
}
gst_element_set_state (pipeline, GST_STATE_NULL);
visible = FALSE;
} while (test_reuse);
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_bus_remove_watch (GST_ELEMENT_BUS (pipeline));
terminate:
@ -202,6 +231,7 @@ terminate:
g_io_channel_unref (msg_io_channel);
g_main_loop_unref (loop);
g_free (title);
g_free (video_sink);
return exitcode;
}