mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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80 lines
2 KiB
C
80 lines
2 KiB
C
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/* This app demonstrates the creation and use of a jack client in conjunction
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* with the jack plugins. This way, an application can control the jack client
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* directly.
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*/
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#include <gst/gst.h>
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#include <gtk/gtk.h>
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#include <jack/jack.h>
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static gboolean
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quit_cb (gpointer data)
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{
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gtk_main_quit ();
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return FALSE;
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}
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int
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main (int argc, char **argv)
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{
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jack_client_t *src_client, *sink_client;
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jack_status_t status;
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GstElement *pipeline, *src, *sink;
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GstStateChangeReturn ret;
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gst_init (&argc, &argv);
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/* create jack clients */
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src_client = jack_client_open ("src_client", JackNoStartServer, &status);
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if (src_client == NULL) {
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if (status & JackServerFailed)
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g_print ("JACK server not running\n");
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else
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g_print ("jack_client_open() failed, status = 0x%2.0x\n", status);
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return 1;
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}
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sink_client = jack_client_open ("sink_client", JackNoStartServer, &status);
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if (sink_client == NULL) {
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if (status & JackServerFailed)
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g_print ("JACK server not running\n");
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else
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g_print ("jack_client_open() failed, status = 0x%2.0x\n", status);
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return 1;
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}
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/* create gst elements */
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pipeline = gst_pipeline_new ("my_pipeline");
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src = gst_element_factory_make ("jackaudiosrc", NULL);
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sink = gst_element_factory_make ("jackaudiosink", NULL);
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g_object_set (src, "client", src_client, NULL);
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g_object_set (sink, "client", sink_client, NULL);
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gst_bin_add_many (GST_BIN (pipeline), src, sink, NULL);
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/* link everything together */
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if (!gst_element_link (src, sink)) {
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g_print ("Failed to link elements!\n");
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return 1;
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}
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/* run */
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ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
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if (ret == GST_STATE_CHANGE_FAILURE) {
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g_print ("Failed to start up pipeline!\n");
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return 1;
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}
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/* quit after 5 seconds */
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g_timeout_add (5000, (GSourceFunc) quit_cb, NULL);
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gtk_main ();
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/* clean up */
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gst_element_set_state (pipeline, GST_STATE_NULL);
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gst_object_unref (pipeline);
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return 0;
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}
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