From c2657bde789251c0b8e120861edb3f4f9989fc89 Mon Sep 17 00:00:00 2001
From: Bastien Nocera <hadess@users.sourceforge.net>
Date: Fri, 16 Apr 2004 16:34:22 +0000
Subject: - flush the events queue before returning from an open() so that the
 front-ends can receive error events before the end of xine_open()

CVS patchset: 6410
CVS date: 2004/04/16 16:34:22
---
 src/xine-engine/events.c        | 11 +++++++++--
 src/xine-engine/xine.c          | 26 +++++++++++++++++++++++++-
 src/xine-engine/xine_internal.h |  8 +++++++-
 src/xine-utils/list.c           |  4 ++--
 4 files changed, 43 insertions(+), 6 deletions(-)

diff --git a/src/xine-engine/events.c b/src/xine-engine/events.c
index 2ac1c03b8..61fd01e04 100644
--- a/src/xine-engine/events.c
+++ b/src/xine-engine/events.c
@@ -17,7 +17,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
  *
- * $Id: events.c,v 1.25 2004/04/15 19:36:57 f1rmb Exp $
+ * $Id: events.c,v 1.26 2004/04/16 16:34:22 hadess Exp $
  *
  * Event handling functions
  *
@@ -112,6 +112,7 @@ xine_event_queue_t *xine_event_new_queue (xine_stream_t *stream) {
 
   pthread_mutex_init (&queue->lock, NULL);
   pthread_cond_init (&queue->new_event, NULL);
+  pthread_cond_init (&queue->events_processed, NULL);
   queue->events = xine_list_new ();
   queue->stream = stream;
   queue->listener_thread = NULL;
@@ -198,10 +199,16 @@ static void *listener_loop (void *queue_gen) {
 
     if (event->type == XINE_EVENT_QUIT)
       running = 0;
-    
+
     queue->callback (queue->user_data, event);
 
     xine_event_free (event);
+
+    pthread_mutex_lock (&queue->lock);
+    if (xine_list_is_empty (queue->events)) {
+      pthread_cond_signal (&queue->events_processed);
+    }
+    pthread_mutex_unlock (&queue->lock);
   }
 
   return NULL;
diff --git a/src/xine-engine/xine.c b/src/xine-engine/xine.c
index ccc06b9de..625915008 100644
--- a/src/xine-engine/xine.c
+++ b/src/xine-engine/xine.c
@@ -17,7 +17,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
  *
- * $Id: xine.c,v 1.289 2004/04/09 11:26:10 f1rmb Exp $
+ * $Id: xine.c,v 1.290 2004/04/16 16:34:22 hadess Exp $
  */
 
 /*
@@ -623,6 +623,29 @@ static void __mrl_unescape(char *mrl) {
   mrl[len] = 0;
 }
 
+void _x_flush_events_queues (xine_stream_t *stream) {
+
+  xine_event_queue_t *queue;
+
+  pthread_mutex_lock (&stream->event_queues_lock);
+
+  /* No events queue? */
+  for (queue = xine_list_first_content (stream->event_queues);
+       queue; queue = xine_list_next_content (stream->event_queues)) {
+    pthread_mutex_lock (&queue->lock);
+    pthread_mutex_unlock (&stream->event_queues_lock);
+
+    while (!xine_list_is_empty (queue->events)) {
+      pthread_cond_wait (&queue->events_processed, &queue->lock);
+    }
+
+    pthread_mutex_unlock (&queue->lock);
+    pthread_mutex_lock (&stream->event_queues_lock);
+  }
+
+  pthread_mutex_unlock (&stream->event_queues_lock);
+}
+
 static int __open_internal (xine_stream_t *stream, const char *mrl) {
 
   const char *stream_setup;
@@ -689,6 +712,7 @@ static int __open_internal (xine_stream_t *stream, const char *mrl) {
   if (!stream->input_plugin) {
     xine_log (stream->xine, XINE_LOG_MSG, _("xine: cannot find input plugin for MRL [%s]\n"),mrl);
     stream->err = XINE_ERROR_NO_INPUT_PLUGIN;
+    _x_flush_events_queues (stream);
     return 0;
   }
 
diff --git a/src/xine-engine/xine_internal.h b/src/xine-engine/xine_internal.h
index 7638939e5..081baf9c9 100644
--- a/src/xine-engine/xine_internal.h
+++ b/src/xine-engine/xine_internal.h
@@ -17,7 +17,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
  *
- * $Id: xine_internal.h,v 1.155 2004/03/23 22:54:32 valtri Exp $
+ * $Id: xine_internal.h,v 1.156 2004/04/16 16:34:22 hadess Exp $
  *
  */
 
@@ -178,6 +178,7 @@ struct xine_event_queue_s {
   xine_list_t               *events;
   pthread_mutex_t            lock;
   pthread_cond_t             new_event;
+  pthread_cond_t             events_processed;
   xine_stream_t             *stream;
   pthread_t                 *listener_thread;
   xine_event_listener_cb_t   callback;
@@ -338,6 +339,11 @@ void _x_handle_stream_end      (xine_stream_t *stream, int non_user);
 
 int _x_message(xine_stream_t *stream, int type, ...);
 
+/* flush the message queues */
+
+void _x_flush_events_queues (xine_stream_t *stream);
+
+
 /* find and instantiate input and demux plugins */
 
 input_plugin_t *_x_find_input_plugin (xine_stream_t *stream, const char *mrl);
diff --git a/src/xine-utils/list.c b/src/xine-utils/list.c
index df57afcb7..15f646d96 100644
--- a/src/xine-utils/list.c
+++ b/src/xine-utils/list.c
@@ -17,7 +17,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
  *
- * $Id: list.c,v 1.7 2003/12/09 00:02:38 f1rmb Exp $
+ * $Id: list.c,v 1.8 2004/04/16 16:34:23 hadess Exp $
  *
  */
 #ifdef HAVE_CONFIG_H
@@ -107,7 +107,7 @@ int xine_list_is_empty (xine_list_t *l) {
 	fprintf(stderr, "%s(): list is NULL\n", __XINE_FUNCTION__);
 	return -1;
   }
-  return (l->first != NULL);
+  return (l->first == NULL);
 }
 
 void *xine_list_last_content (xine_list_t *l) {
-- 
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