warn on state change failures

Original commit message from CVS:
warn on state change failures

diff --git a/gst-libs/gst/play/play.old.c b/gst-libs/gst/play/play.old.c
index bb50063..c30efae 100644 (file)
--- a/gst-libs/gst/play/play.old.c
+++ b/gst-libs/gst/play/play.old.c
@@ -728,7 +728,8 @@ gst_play_seek_to_time (     GstPlay *play,
 
        /*g_print("doing seek to %lld\n", play->seek_time);*/
         prev_state = GST_STATE(play->pipeline);
-       gst_element_set_state(play->pipeline, GST_STATE_PAUSED);
+       if (gst_play_set_state (play, GST_STATE_PAUSED) != GST_STATE_SUCCESS)
+               g_warning ("gst_play_seek: setting to READY failed\n");
 
        s_event = gst_event_new_seek (GST_FORMAT_TIME |
                                      GST_SEEK_METHOD_SET |
@@ -754,7 +755,8 @@ gst_play_seek_to_time (     GstPlay *play,
                play->time_nanos = gst_clock_get_time(play->clock);
                g_signal_emit (G_OBJECT (play), gst_play_signals [TIME_TICK], 0, play->time_nanos);
        }
-       gst_element_set_state(play->pipeline, prev_state);
+       if (gst_element_set_state (play->pipeline, prev_state) != GST_STATE_SUCCESS)
+               g_warning ("gst_play_seek_to_time: setting to READY failed\n");
 }
 
 /**
@@ -959,7 +961,8 @@ gst_play_set_location (     GstPlay *play,
 
        current_state = gst_play_get_state (play);
        if (current_state != GST_STATE_READY){
-               gst_play_set_state (play, GST_STATE_READY);
+               if (gst_play_set_state (play, GST_STATE_READY) != GST_STATE_SUCCESS)
+                        g_warning ("gst_play_set_location: setting to READY failed\n");
        }
 
        if (play->set_autoplugger){
@@ -1103,7 +1106,8 @@ gst_play_set_data_src (   GstPlay *play,
        g_return_val_if_fail (GST_IS_ELEMENT (data_src), FALSE);
 
        if (gst_play_get_state (play) != GST_STATE_READY){
-               gst_play_set_state (play, GST_STATE_READY);
+               if (gst_play_set_state (play, GST_STATE_READY) != GST_STATE_SUCCESS)
+                        g_warning ("gst_play_set_data_src: setting to READY failed\n");
        }
 
        if (play->set_data_src){
@@ -1133,7 +1137,8 @@ gst_play_set_video_sink ( GstPlay *play,
        g_return_val_if_fail (GST_IS_ELEMENT (video_sink), FALSE);
 
        if (gst_play_get_state (play) != GST_STATE_READY){
-               gst_play_set_state (play, GST_STATE_READY);
+               if (gst_play_set_state (play, GST_STATE_READY) != GST_STATE_SUCCESS)
+                        g_warning ("gst_play_set_video_sink: setting to READY failed\n");
        }
 
        if (play->set_video_sink){
@@ -1163,7 +1168,8 @@ gst_play_set_audio_sink ( GstPlay *play,
        g_return_val_if_fail (GST_IS_ELEMENT (audio_sink), FALSE);
 
        if (gst_play_get_state (play) != GST_STATE_READY){
-               gst_play_set_state (play, GST_STATE_READY);
+               if (gst_play_set_state (play, GST_STATE_READY) != GST_STATE_SUCCESS)
+                        g_warning ("gst_play_set_audio_sink: setting to READY failed\n");
        }
 
        if (play->set_audio_sink){