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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;
}
/* called with state-lock */
static gboolean
default_handle_message (GstRTSPMedia * media, GstMessage * message)
{
@ -1027,7 +1028,6 @@ default_handle_message (GstRTSPMedia * media, GstMessage * message)
if (media->is_live)
break;
g_rec_mutex_lock (&media->state_lock);
if (percent == 100) {
/* a 100% message means buffering is done */
media->buffering = FALSE;
@ -1050,7 +1050,6 @@ default_handle_message (GstRTSPMedia * media, GstMessage * message)
}
}
media->buffering = TRUE;
g_rec_mutex_unlock (&media->state_lock);
}
break;
}
@ -1088,7 +1087,6 @@ default_handle_message (GstRTSPMedia * media, GstMessage * message)
case GST_MESSAGE_STREAM_STATUS:
break;
case GST_MESSAGE_ASYNC_DONE:
g_rec_mutex_lock (&media->state_lock);
if (!media->adding) {
/* when we are dynamically adding pads, the addition of the udpsrc will
* temporarily produce ASYNC_DONE messages. We have to ignore them and
@ -1100,18 +1098,15 @@ default_handle_message (GstRTSPMedia * media, GstMessage * message)
} else {
GST_INFO ("%p: ignoring ASYNC_DONE", media);
}
g_rec_mutex_unlock (&media->state_lock);
break;
case GST_MESSAGE_EOS:
GST_INFO ("%p: got EOS", media);
g_rec_mutex_lock (&media->state_lock);
if (media->status == GST_RTSP_MEDIA_STATUS_UNPREPARING) {
GST_DEBUG ("shutting down after EOS");
finish_unprepare (media);
g_object_unref (media);
}
g_rec_mutex_unlock (&media->state_lock);
break;
default:
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);
g_rec_mutex_lock (&media->state_lock);
if (klass->handle_message)
ret = klass->handle_message (media, message);
else
ret = FALSE;
g_rec_mutex_unlock (&media->state_lock);
return ret;
}
@ -1209,6 +1206,9 @@ gst_rtsp_media_prepare (GstRTSPMedia * media)
if (media->status == GST_RTSP_MEDIA_STATUS_PREPARED)
goto was_prepared;
if (media->status != GST_RTSP_MEDIA_STATUS_UNPREPARED)
goto not_unprepared;
if (!media->reusable && media->reused)
goto is_reused;
@ -1309,10 +1309,17 @@ gst_rtsp_media_prepare (GstRTSPMedia * media)
/* OK */
was_prepared:
{
GST_LOG ("media %p was prepared", media);
g_rec_mutex_unlock (&media->state_lock);
return TRUE;
}
/* ERRORS */
not_unprepared:
{
GST_WARNING ("media %p was not unprepared", media);
g_rec_mutex_unlock (&media->state_lock);
return FALSE;
}
is_reused:
{
g_rec_mutex_unlock (&media->state_lock);