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media: add lock around message handler

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We don't want to dispatch messages while we are still processing the result of
the state change.
This commit is contained in:
Wim Taymans 2012-11-13 11:49:08 +01:00
parent 9a97de88ea
commit 47127bd270
1 changed files with 13 additions and 6 deletions
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19
gst/rtsp-server/rtsp-media.c
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@ -1007,6 +1007,7 @@ gst_rtsp_media_get_status (GstRTSPMedia * media)
return result; return result;
} }
/* called with state-lock */
static gboolean static gboolean
default_handle_message (GstRTSPMedia * media, GstMessage * message) default_handle_message (GstRTSPMedia * media, GstMessage * message)
{ {
@ -1027,7 +1028,6 @@ default_handle_message (GstRTSPMedia * media, GstMessage * message)
if (media->is_live) if (media->is_live)
break; break;
g_rec_mutex_lock (&media->state_lock);
if (percent == 100) { if (percent == 100) {
/* a 100% message means buffering is done */ /* a 100% message means buffering is done */
media->buffering = FALSE; media->buffering = FALSE;
@ -1050,7 +1050,6 @@ default_handle_message (GstRTSPMedia * media, GstMessage * message)
} }
} }
media->buffering = TRUE; media->buffering = TRUE;
g_rec_mutex_unlock (&media->state_lock);
} }
break; break;
} }
@ -1088,7 +1087,6 @@ default_handle_message (GstRTSPMedia * media, GstMessage * message)
case GST_MESSAGE_STREAM_STATUS: case GST_MESSAGE_STREAM_STATUS:
break; break;
case GST_MESSAGE_ASYNC_DONE: case GST_MESSAGE_ASYNC_DONE:
g_rec_mutex_lock (&media->state_lock);
if (!media->adding) { if (!media->adding) {
/* when we are dynamically adding pads, the addition of the udpsrc will /* when we are dynamically adding pads, the addition of the udpsrc will
* temporarily produce ASYNC_DONE messages. We have to ignore them and * temporarily produce ASYNC_DONE messages. We have to ignore them and
@ -1100,18 +1098,15 @@ default_handle_message (GstRTSPMedia * media, GstMessage * message)
} else { } else {
GST_INFO ("%p: ignoring ASYNC_DONE", media); GST_INFO ("%p: ignoring ASYNC_DONE", media);
} }
g_rec_mutex_unlock (&media->state_lock);
break; break;
case GST_MESSAGE_EOS: case GST_MESSAGE_EOS:
GST_INFO ("%p: got EOS", media); GST_INFO ("%p: got EOS", media);
g_rec_mutex_lock (&media->state_lock);
if (media->status == GST_RTSP_MEDIA_STATUS_UNPREPARING) { if (media->status == GST_RTSP_MEDIA_STATUS_UNPREPARING) {
GST_DEBUG ("shutting down after EOS"); GST_DEBUG ("shutting down after EOS");
finish_unprepare (media); finish_unprepare (media);
g_object_unref (media); g_object_unref (media);
} }
g_rec_mutex_unlock (&media->state_lock);
break; break;
default: default:
GST_INFO ("%p: got message type %s", media, GST_INFO ("%p: got message type %s", media,
@ -1129,10 +1124,12 @@ bus_message (GstBus * bus, GstMessage * message, GstRTSPMedia * media)
klass = GST_RTSP_MEDIA_GET_CLASS (media); klass = GST_RTSP_MEDIA_GET_CLASS (media);
g_rec_mutex_lock (&media->state_lock);
if (klass->handle_message) if (klass->handle_message)
ret = klass->handle_message (media, message); ret = klass->handle_message (media, message);
else else
ret = FALSE; ret = FALSE;
g_rec_mutex_unlock (&media->state_lock);
return ret; return ret;
} }
@ -1209,6 +1206,9 @@ gst_rtsp_media_prepare (GstRTSPMedia * media)
if (media->status == GST_RTSP_MEDIA_STATUS_PREPARED) if (media->status == GST_RTSP_MEDIA_STATUS_PREPARED)
goto was_prepared; goto was_prepared;
if (media->status != GST_RTSP_MEDIA_STATUS_UNPREPARED)
goto not_unprepared;
if (!media->reusable && media->reused) if (!media->reusable && media->reused)
goto is_reused; goto is_reused;
@ -1309,10 +1309,17 @@ gst_rtsp_media_prepare (GstRTSPMedia * media)
/* OK */ /* OK */
was_prepared: was_prepared:
{ {
GST_LOG ("media %p was prepared", media);
g_rec_mutex_unlock (&media->state_lock); g_rec_mutex_unlock (&media->state_lock);
return TRUE; return TRUE;
} }
/* ERRORS */ /* ERRORS */
not_unprepared:
{
GST_WARNING ("media %p was not unprepared", media);
g_rec_mutex_unlock (&media->state_lock);
return FALSE;
}
is_reused: is_reused:
{ {
g_rec_mutex_unlock (&media->state_lock); g_rec_mutex_unlock (&media->state_lock);