Update for stream lock API changes: don't take stream log in sink event handlers any longer and change GST_STREAM_LOC...

Original commit message from CVS:
* ext/dv/gstdvdemux.c: (gst_dvdemux_handle_sink_event):
* ext/flac/gstflacdec.c: (gst_flacdec_loop),
(gst_flacdec_src_event):
* ext/flac/gstflacenc.c: (gst_flacenc_sink_event):
* ext/ladspa/gstsignalprocessor.c: (gst_signal_processor_event),
(gst_signal_processor_getrange), (gst_signal_processor_chain):
* gst/avi/gstavidemux.c: (gst_avi_demux_handle_seek):
* gst/flx/gstflxdec.c: (gst_flxdec_src_event_handler),
(gst_flxdec_sink_event_handler):
* gst/matroska/matroska-demux.c:
(gst_matroska_demux_handle_seek_event):
* gst/wavparse/gstwavparse.c: (gst_wavparse_handle_seek):
Update for stream lock API changes: don't take stream log
in sink event handlers any longer and change GST_STREAM_LOCK
to GST_PAD_STREAM_LOCK. Don't leak references in flxdec event
functions.

9 files changed, 40 insertions, 71 deletions

diff --git a/ChangeLog b/ChangeLog
index bba1eec4..73cdeb3c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,22 @@
+2005-11-21  Tim-Philipp Müller  <tim at centricular dot net>
+
+	* ext/dv/gstdvdemux.c: (gst_dvdemux_handle_sink_event):
+	* ext/flac/gstflacdec.c: (gst_flacdec_loop),
+	(gst_flacdec_src_event):
+	* ext/flac/gstflacenc.c: (gst_flacenc_sink_event):
+	* ext/ladspa/gstsignalprocessor.c: (gst_signal_processor_event),
+	(gst_signal_processor_getrange), (gst_signal_processor_chain):
+	* gst/avi/gstavidemux.c: (gst_avi_demux_handle_seek):
+	* gst/flx/gstflxdec.c: (gst_flxdec_src_event_handler),
+	(gst_flxdec_sink_event_handler):
+	* gst/matroska/matroska-demux.c:
+	(gst_matroska_demux_handle_seek_event):
+	* gst/wavparse/gstwavparse.c: (gst_wavparse_handle_seek):
+	  Update for stream lock API changes: don't take stream log
+	  in sink event handlers any longer and change GST_STREAM_LOCK
+	  to GST_PAD_STREAM_LOCK. Don't leak references in flxdec event
+	  functions.
+
 2005-11-21  Michael Smith <msmith@fluendo.com>
 
 	* gst/auparse/gstauparse.c: (gst_auparse_dispose):
diff --git a/ext/dv/gstdvdemux.c b/ext/dv/gstdvdemux.c
index 1408df8f..3786f522 100644
--- a/ext/dv/gstdvdemux.c
+++ b/ext/dv/gstdvdemux.c
@@ -596,25 +596,16 @@ gst_dvdemux_handle_sink_event (GstPad * pad, GstEvent * event)
        * to the peer which will be unblocked by forwarding the
        * event.*/
       res = gst_dvdemux_send_event (dvdemux, event);
-
-      /* and wait till streaming stops, not strictly needed as
-       * the peer calling us will do the same. */
-      GST_STREAM_LOCK (pad);
-      GST_STREAM_UNLOCK (pad);
       break;
     case GST_EVENT_FLUSH_STOP:
-      GST_STREAM_LOCK (pad);
       gst_adapter_clear (dvdemux->adapter);
       GST_DEBUG ("cleared adapter");
       res = gst_dvdemux_send_event (dvdemux, event);
-      GST_STREAM_UNLOCK (pad);
       break;
     case GST_EVENT_NEWSEGMENT:
     {
       GstFormat format;
 
-      GST_STREAM_LOCK (pad);
-
       /* parse byte start and stop positions */
       gst_event_parse_newsegment (event, NULL, NULL, &format,
           &dvdemux->start_byte, &dvdemux->stop_byte, NULL);
@@ -622,19 +613,16 @@ gst_dvdemux_handle_sink_event (GstPad * pad, GstEvent * event)
       /* and queue a DISCONT before sending the next set of buffers */
       dvdemux->need_discont = TRUE;
       gst_event_unref (event);
-      GST_STREAM_UNLOCK (pad);
       break;
     }
     case GST_EVENT_EOS:
     default:
-      GST_STREAM_LOCK (pad);
       /* flush any pending data */
       gst_dvdemux_flush (dvdemux);
       /* forward event */
       res = gst_dvdemux_send_event (dvdemux, event);
       /* and clear the adapter */
       gst_adapter_clear (dvdemux->adapter);
-      GST_STREAM_UNLOCK (pad);
       break;
   }
 
diff --git a/ext/flac/gstflacdec.c b/ext/flac/gstflacdec.c
index c609e2e5..af2c8dc6 100644
--- a/ext/flac/gstflacdec.c
+++ b/ext/flac/gstflacdec.c
@@ -527,8 +527,6 @@ gst_flacdec_loop (GstPad * sinkpad)
 
   flacdec = GST_FLACDEC (GST_OBJECT_PARENT (sinkpad));
 
-  GST_STREAM_LOCK (sinkpad);
-
   GST_DEBUG ("flacdec: entering loop");
   if (flacdec->init) {
     GST_DEBUG ("flacdec: initializing decoder");
@@ -563,7 +561,6 @@ analyze_state:
     case FLAC__SEEKABLE_STREAM_DECODER_OK:
     case FLAC__SEEKABLE_STREAM_DECODER_SEEKING:
       GST_DEBUG ("flacdec: everything ok");
-      GST_STREAM_UNLOCK (sinkpad);
       return;
 
     case FLAC__SEEKABLE_STREAM_DECODER_END_OF_STREAM:{
@@ -577,8 +574,6 @@ analyze_state:
 
       GST_DEBUG ("pausing");
       gst_pad_pause_task (sinkpad);
-
-      GST_STREAM_UNLOCK (sinkpad);
       return;
     }
 
@@ -602,8 +597,6 @@ analyze_state:
 
       GST_DEBUG ("pausing");
       gst_pad_pause_task (sinkpad);
-
-      GST_STREAM_UNLOCK (sinkpad);
       return;
     }
   }
@@ -765,7 +758,7 @@ gst_flacdec_src_event (GstPad * pad, GstEvent * event)
         GST_DEBUG ("Initializing seek");
         g_print ("Grab seek lock\n");
         gst_pad_push_event (flacdec->srcpad, gst_event_new_flush_start ());
-        GST_STREAM_LOCK (flacdec->sinkpad);
+        GST_PAD_STREAM_LOCK (flacdec->sinkpad);
         g_print ("Got seek lock\n");
         gst_pad_push_event (flacdec->srcpad, gst_event_new_flush_stop ());
         GST_DEBUG ("Ready");
@@ -773,7 +766,7 @@ gst_flacdec_src_event (GstPad * pad, GstEvent * event)
         flacdec->seek_value = pos;
         gst_pad_start_task (flacdec->sinkpad,
             (GstTaskFunction) gst_flacdec_loop, flacdec->sinkpad);
-        GST_STREAM_UNLOCK (flacdec->sinkpad);
+        GST_PAD_STREAM_UNLOCK (flacdec->sinkpad);
       } else
         res = FALSE;
       break;
diff --git a/ext/flac/gstflacenc.c b/ext/flac/gstflacenc.c
index 79f3de0b..360ff67b 100644
--- a/ext/flac/gstflacenc.c
+++ b/ext/flac/gstflacenc.c
@@ -600,7 +600,6 @@ gst_flacenc_sink_event (GstPad * pad, GstEvent * event)
       GstFormat format;
       gint64 start, stream_time;
 
-      GST_STREAM_LOCK (pad);
       if (flacenc->offset == 0) {
         gst_event_parse_newsegment (event, NULL, NULL, &format, &start, NULL,
             &stream_time);
@@ -623,14 +622,11 @@ gst_flacenc_sink_event (GstPad * pad, GstEvent * event)
       }
       gst_event_unref (event);
       /* don't push it downstream, we'll generate our own via seek to 0 */
-      GST_STREAM_UNLOCK (pad);
       break;
     }
     case GST_EVENT_EOS:
-      GST_STREAM_LOCK (pad);
       FLAC__seekable_stream_encoder_finish (flacenc->encoder);
       ret = gst_pad_event_default (pad, event);
-      GST_STREAM_UNLOCK (pad);
       break;
     case GST_EVENT_TAG:
       if (flacenc->tags) {
@@ -639,9 +635,7 @@ gst_flacenc_sink_event (GstPad * pad, GstEvent * event)
       } else {
         g_assert_not_reached ();
       }
-      GST_STREAM_LOCK (pad);
       ret = gst_pad_event_default (pad, event);
-      GST_STREAM_UNLOCK (pad);
       break;
     default:
       ret = gst_pad_event_default (pad, event);
diff --git a/ext/ladspa/gstsignalprocessor.c b/ext/ladspa/gstsignalprocessor.c
index 25200d4f..9caf7b7b 100644
--- a/ext/ladspa/gstsignalprocessor.c
+++ b/ext/ladspa/gstsignalprocessor.c
@@ -287,7 +287,6 @@ gst_signal_processor_event (GstPad * pad, GstEvent * event)
 {
   GstSignalProcessor *self;
   GstSignalProcessorClass *bclass;
-  gboolean ret = FALSE;
   gboolean unlock;
 
   self = GST_SIGNAL_PROCESSOR (GST_PAD_PARENT (pad));
@@ -296,20 +295,7 @@ gst_signal_processor_event (GstPad * pad, GstEvent * event)
   if (bclass->event)
     bclass->event (self, event);
 
-  unlock = FALSE;
-
-  switch (GST_EVENT_TYPE (event)) {
-    case GST_EVENT_FLUSH_STOP:
-    case GST_EVENT_EOS:
-      GST_STREAM_LOCK (pad);
-      unlock = TRUE;
-      break;
-    default:
-      break;
-  }
   ret = gst_pad_event_default (pad, event);
-  if (unlock)
-    GST_STREAM_UNLOCK (pad);
 
   return ret;
 }
@@ -476,8 +462,6 @@ gst_signal_processor_getrange (GstPad * pad, guint64 offset,
 
   self = GST_SIGNAL_PROCESSOR (GST_PAD_PARENT (pad));
 
-  GST_STREAM_LOCK (pad);
-
   if (spad->pen) {
     *buffer = spad->pen;
     spad->pen = NULL;
@@ -497,8 +481,6 @@ gst_signal_processor_getrange (GstPad * pad, guint64 offset,
     }
   }
 
-  GST_STREAM_UNLOCK (pad);
-
   return ret;
 }
 
@@ -547,8 +529,6 @@ gst_signal_processor_chain (GstPad * pad, GstBuffer * buffer)
 
   self = GST_SIGNAL_PROCESSOR (GST_PAD_PARENT (pad));
 
-  GST_STREAM_LOCK (pad);
-
   gst_signal_processor_pen_buffer (self, pad, buffer);
 
   if (self->pending_in == 0) {
@@ -557,8 +537,6 @@ gst_signal_processor_chain (GstPad * pad, GstBuffer * buffer)
     gst_signal_processor_do_pushes (self);
   }
 
-  GST_STREAM_UNLOCK (pad);
-
   return self->state;
 }
 
diff --git a/gst/avi/gstavidemux.c b/gst/avi/gstavidemux.c
index 1bb27c28..d363d214 100644
--- a/gst/avi/gstavidemux.c
+++ b/gst/avi/gstavidemux.c
@@ -1995,7 +1995,7 @@ gst_avi_demux_handle_seek (GstAviDemux * avi, gboolean update)
   } else
     gst_pad_pause_task (avi->sinkpad);
 
-  GST_STREAM_LOCK (avi->sinkpad);
+  GST_PAD_STREAM_LOCK (avi->sinkpad);
 
   /* fill current_entry according to flags and update */
   if (update) {
@@ -2043,7 +2043,7 @@ gst_avi_demux_handle_seek (GstAviDemux * avi, gboolean update)
   gst_pad_start_task (avi->sinkpad, (GstTaskFunction) gst_avi_demux_loop,
       avi->sinkpad);
 
-  GST_STREAM_UNLOCK (avi->sinkpad);
+  GST_PAD_STREAM_UNLOCK (avi->sinkpad);
 
   return TRUE;
 
diff --git a/gst/flx/gstflxdec.c b/gst/flx/gstflxdec.c
index e3e4bcc8..0ca9fc48 100644
--- a/gst/flx/gstflxdec.c
+++ b/gst/flx/gstflxdec.c
@@ -176,32 +176,29 @@ static gboolean
 gst_flxdec_src_event_handler (GstPad * pad, GstEvent * event)
 {
   GstFlxDec *flxdec = (GstFlxDec *) gst_pad_get_parent (pad);
-
-  g_return_val_if_fail (GST_IS_EVENT (event), FALSE);
+  gboolean ret;
 
   /* TODO: implement the seek and other event handling */
 
-  return gst_pad_push_event (flxdec->sinkpad, event);
+  ret = gst_pad_push_event (flxdec->sinkpad, event);
+
+  gst_object_unref (flxdec);
+
+  return ret;
 }
 
 static gboolean
 gst_flxdec_sink_event_handler (GstPad * pad, GstEvent * event)
 {
-  GstFlxDec *flxdec = (GstFlxDec *) gst_pad_get_parent (pad);
-
-  g_return_val_if_fail (GST_IS_EVENT (event), FALSE);
-
-  if (GST_EVENT_TYPE (event) == GST_EVENT_EOS ||
-      GST_EVENT_TYPE (event) == GST_EVENT_NEWSEGMENT)
-    GST_STREAM_LOCK (flxdec->srcpad);
+  GstFlxDec *flxdec;
+  gboolean ret;
 
-  gst_pad_push_event (flxdec->srcpad, gst_event_ref (event));
+  flxdec = GST_FLXDEC (gst_pad_get_parent (pad));
 
-  if (GST_EVENT_TYPE (event) == GST_EVENT_EOS ||
-      GST_EVENT_TYPE (event) == GST_EVENT_NEWSEGMENT)
-    GST_STREAM_UNLOCK (flxdec->srcpad);
+  ret = gst_pad_push_event (flxdec->srcpad, event);
 
-  return TRUE;
+  gst_object_unref (flxdec);
+  return ret;
 }
 
 static void
diff --git a/gst/matroska/matroska-demux.c b/gst/matroska/matroska-demux.c
index 0b03e31e..a89587c1 100644
--- a/gst/matroska/matroska-demux.c
+++ b/gst/matroska/matroska-demux.c
@@ -1102,7 +1102,7 @@ gst_matroska_demux_handle_seek_event (GstMatroskaDemux * demux,
   /* now grab the stream lock so that streaming cannot continue, for
    * non flushing seeks when the element is in PAUSED this could block
    * forever. */
-  GST_STREAM_LOCK (demux->sinkpad);
+  GST_PAD_STREAM_LOCK (demux->sinkpad);
 
   GST_OBJECT_LOCK (demux);
 
@@ -1188,7 +1188,7 @@ gst_matroska_demux_handle_seek_event (GstMatroskaDemux * demux,
       demux->sinkpad);
 
   /* streaming can continue now */
-  GST_STREAM_UNLOCK (demux->sinkpad);
+  GST_PAD_STREAM_UNLOCK (demux->sinkpad);
 
   return TRUE;
 
@@ -1198,7 +1198,7 @@ seek_error:
    * function again so that things can continue from where they left off? */
   GST_DEBUG ("Got a seek error");
   GST_OBJECT_UNLOCK (demux);
-  GST_STREAM_UNLOCK (demux->sinkpad);
+  GST_PAD_STREAM_UNLOCK (demux->sinkpad);
 
   return FALSE;
 }
diff --git a/gst/wavparse/gstwavparse.c b/gst/wavparse/gstwavparse.c
index 59835d0b..8978e1de 100644
--- a/gst/wavparse/gstwavparse.c
+++ b/gst/wavparse/gstwavparse.c
@@ -718,7 +718,7 @@ gst_wavparse_handle_seek (GstWavParse * wav, gboolean update)
   else
     gst_pad_pause_task (wav->sinkpad);
 
-  GST_STREAM_LOCK (wav->sinkpad);
+  GST_PAD_STREAM_LOCK (wav->sinkpad);
 
   if (update) {
     wav->offset = wav->segment_start + wav->datastart;
@@ -749,7 +749,7 @@ gst_wavparse_handle_seek (GstWavParse * wav, gboolean update)
   gst_pad_start_task (wav->sinkpad, (GstTaskFunction) gst_wavparse_loop,
       wav->sinkpad);
 
-  GST_STREAM_UNLOCK (wav->sinkpad);
+  GST_PAD_STREAM_UNLOCK (wav->sinkpad);
 
   return TRUE;