Andy Hu
107 lines
2.6 KiB
Diff
107 lines
2.6 KiB
Diff
diff -Naur a/tools/gst-play.c b/tools/gst-play.c
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--- a/tools/gst-play.c 2020-10-26 19:10:32.459882500 +0800
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+++ b/tools/gst-play.c 2022-04-07 14:13:15.126395339 +0800
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@@ -19,7 +19,6 @@
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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-
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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@@ -40,6 +39,9 @@
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#include <glib/gprintf.h>
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#include "gst-play-kb.h"
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+#ifdef G_OS_UNIX
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+#include <glib-unix.h>
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+#endif
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#define VOLUME_STEPS 20
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@@ -104,6 +106,31 @@
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gdouble rate;
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} GstPlay;
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+#if defined(G_OS_UNIX)
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+static guint signal_watch_intr_id;
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+#endif
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+
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+#if defined(G_OS_UNIX)
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+/* As the interrupt handler is dispatched from GMainContext as a GSourceFunc
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+ * handler, we can react to this by posting a message. */
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+static gboolean
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+intr_handler (gpointer user_data)
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+{
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+ GstPlay *play = (GstPlay *) user_data;
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+ gst_print ("handling interrupt.\n");
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+
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+ /* post an application specific message */
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+ gst_element_post_message (GST_ELEMENT (play->playbin),
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+ gst_message_new_application (GST_OBJECT (play->playbin),
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+ gst_structure_new ("GstLaunchInterrupt",
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+ "message", G_TYPE_STRING, "Pipeline interrupted", NULL)));
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+
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+ /* remove signal handler */
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+ signal_watch_intr_id = 0;
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+ return G_SOURCE_REMOVE;
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+}
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+#endif /* G_OS_UNIX */
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+
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static gboolean quiet = FALSE;
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static gboolean instant_rate_changes = FALSE;
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@@ -594,6 +621,24 @@
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}
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break;
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}
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+ case GST_MESSAGE_APPLICATION:{
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+ const GstStructure *s;
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+
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+ s = gst_message_get_structure (msg);
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+
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+ if (gst_structure_has_name (s, "GstLaunchInterrupt")) {
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+ /* this application message is posted when we caught an interrupt and
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+ * we need to stop the pipeline. */
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+
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+ gst_print (_("Interrupt: GST_MESSAGE_APPLICATION ...\n"));
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+ if (play->desired_state == GST_STATE_PLAYING){
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+ gst_print (_("Interrupt: Stopping pipeline ...\n"));
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+ g_main_loop_quit (play->loop);
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+ }
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+
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+ }
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+ break;
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+ }
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default:
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if (gst_is_missing_plugin_message (msg)) {
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gchar *desc;
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@@ -1622,6 +1667,12 @@
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}
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}
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+#ifdef G_OS_UNIX
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+ gst_print("g_source_remove signal_watch_intr_id \n");
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+ signal_watch_intr_id =
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+ g_unix_signal_add (SIGINT, (GSourceFunc) intr_handler, play);
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+#endif
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+
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/* play */
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do_play (play);
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@@ -1632,6 +1683,14 @@
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g_free (video_sink);
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gst_print ("\n");
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+
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+#ifdef G_OS_UNIX
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+ if (signal_watch_intr_id > 0){
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+ gst_print("g_source_remove signal_watch_intr_id \n");
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+ g_source_remove (signal_watch_intr_id);
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+ }
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+#endif
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+
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gst_deinit ();
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return 0;
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}
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