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test-netclock-client: Use a GMainLoop and playbin's source-setup signal

Browse source 
A mainloop is needed to get glimagesink to display something on OSX, and
the source-setup signal just makes things a little bit easier.
This commit is contained in:
Sebastian Dröge 2015-06-09 13:51:02 +02:00
parent 2c935a7884
commit 6219766555
1 changed files with 60 additions and 20 deletions
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80
examples/test-netclock-client.c
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@ -26,17 +26,61 @@
#define PLAYBACK_DELAY_MS 40 #define PLAYBACK_DELAY_MS 40
static void static void
source_created (GstElement * pipe, GParamSpec * pspec) source_created (GstElement * pipe, GstElement * source)
{ {
GstElement *source;
g_object_get (pipe, "source", &source, NULL);
g_assert (source != NULL);
g_object_set (source, "latency", PLAYBACK_DELAY_MS, g_object_set (source, "latency", PLAYBACK_DELAY_MS,
"use-pipeline-clock", TRUE, "buffer-mode", 1, NULL); "use-pipeline-clock", TRUE, "buffer-mode", 1, NULL);
}
gst_object_unref (source); static gboolean
message (GstBus * bus, GstMessage * message, gpointer user_data)
{
GMainLoop *loop = user_data;
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_ERROR:{
GError *err = NULL;
gchar *name, *debug = NULL;
name = gst_object_get_path_string (message->src);
gst_message_parse_error (message, &err, &debug);
g_printerr ("ERROR: from element %s: %s\n", name, err->message);
if (debug != NULL)
g_printerr ("Additional debug info:\n%s\n", debug);
g_error_free (err);
g_free (debug);
g_free (name);
g_main_loop_quit (loop);
break;
}
case GST_MESSAGE_WARNING:{
GError *err = NULL;
gchar *name, *debug = NULL;
name = gst_object_get_path_string (message->src);
gst_message_parse_warning (message, &err, &debug);
g_printerr ("ERROR: from element %s: %s\n", name, err->message);
if (debug != NULL)
g_printerr ("Additional debug info:\n%s\n", debug);
g_error_free (err);
g_free (debug);
g_free (name);
break;
}
case GST_MESSAGE_EOS:
g_print ("Got EOS\n");
g_main_loop_quit (loop);
break;
default:
break;
}
return TRUE;
} }
int int
@ -46,7 +90,7 @@ main (int argc, char *argv[])
gchar *server; gchar *server;
gint clock_port; gint clock_port;
GstElement *pipe; GstElement *pipe;
GstMessage *msg; GMainLoop *loop;
gst_init (&argc, &argv); gst_init (&argc, &argv);
@ -70,9 +114,11 @@ main (int argc, char *argv[])
/* Wait 0.5 seconds for the clock to stabilise */ /* Wait 0.5 seconds for the clock to stabilise */
g_usleep (G_USEC_PER_SEC / 2); g_usleep (G_USEC_PER_SEC / 2);
loop = g_main_loop_new (NULL, FALSE);
pipe = gst_element_factory_make ("playbin", NULL); pipe = gst_element_factory_make ("playbin", NULL);
g_object_set (pipe, "uri", argv[1], NULL); g_object_set (pipe, "uri", argv[1], NULL);
g_signal_connect (pipe, "notify::source", (GCallback) source_created, NULL); g_signal_connect (pipe, "source-setup", G_CALLBACK (source_created), NULL);
gst_element_set_start_time (pipe, GST_CLOCK_TIME_NONE); gst_element_set_start_time (pipe, GST_CLOCK_TIME_NONE);
gst_element_set_base_time (pipe, 0); gst_element_set_base_time (pipe, 0);
@ -84,22 +130,16 @@ main (int argc, char *argv[])
goto exit; goto exit;
}; };
msg = gst_bus_timed_pop_filtered (GST_ELEMENT_BUS (pipe), gst_bus_add_signal_watch (GST_ELEMENT_BUS (pipe));
GST_CLOCK_TIME_NONE, GST_MESSAGE_EOS | GST_MESSAGE_ERROR); g_signal_connect (GST_ELEMENT_BUS (pipe), "message", G_CALLBACK (message),
loop);
if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR) { g_main_loop_run (loop);
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_error (msg, &err, &debug);
g_print ("\nERROR: %s\n%s\n\n", err->message, debug);
g_error_free (err);
g_free (debug);
}
gst_message_unref (msg);
exit: exit:
gst_element_set_state (pipe, GST_STATE_NULL); gst_element_set_state (pipe, GST_STATE_NULL);
gst_object_unref (pipe); gst_object_unref (pipe);
g_main_loop_unref (loop);
return 0; return 0;
} }