From 323ba80ff3295b0a46e136648ffaaac6131dea8c Mon Sep 17 00:00:00 2001
From: Wim Taymans <wim.taymans@gmail.com>
Date: Thu, 27 Oct 2005 11:33:09 +0000
Subject: [PATCH] ext/: Take proper locks when handling events.

Original commit message from CVS:
* ext/theora/theoradec.c: (theora_dec_src_query),
(theora_dec_sink_event):
* ext/theora/theoraenc.c: (theora_enc_sink_event),
(theora_enc_change_state):
* ext/vorbis/vorbisenc.c: (gst_vorbisenc_init),
(gst_vorbisenc_sink_event), (gst_vorbisenc_change_state):
Take proper locks when handling events.
---
 ChangeLog              | 10 ++++++++++
 ext/theora/theoraenc.c | 11 ++++++++---
 ext/vorbis/vorbisenc.c | 20 ++++++++++++++------
 3 files changed, 32 insertions(+), 9 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 9b4413709e..558caee3c9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2005-10-27  Wim Taymans  <wim@fluendo.com>
+
+	* ext/theora/theoradec.c: (theora_dec_src_query),
+	(theora_dec_sink_event):
+	* ext/theora/theoraenc.c: (theora_enc_sink_event),
+	(theora_enc_change_state):
+	* ext/vorbis/vorbisenc.c: (gst_vorbisenc_init),
+	(gst_vorbisenc_sink_event), (gst_vorbisenc_change_state):
+	Take proper locks when handling events.
+
 2005-10-27  Wim Taymans  <wim@fluendo.com>
 
 	* gst/adder/gstadder.c: (gst_adder_query), (gst_adder_collected),
diff --git a/ext/theora/theoraenc.c b/ext/theora/theoraenc.c
index e511faecd2..cbf20d1174 100644
--- a/ext/theora/theoraenc.c
+++ b/ext/theora/theoraenc.c
@@ -419,20 +419,27 @@ theora_enc_sink_event (GstPad * pad, GstEvent * event)
 {
   GstTheoraEnc *enc;
   ogg_packet op;
+  gboolean res;
 
   enc = GST_THEORA_ENC (GST_PAD_PARENT (pad));
 
   switch (GST_EVENT_TYPE (event)) {
     case GST_EVENT_EOS:
+      GST_STREAM_LOCK (pad);
       /* push last packet with eos flag */
       while (theora_encode_packetout (&enc->state, 1, &op)) {
         GstClockTime out_time =
             theora_granule_time (&enc->state, op.granulepos) * GST_SECOND;
+
         theora_push_packet (enc, &op, out_time, GST_SECOND / enc->fps);
       }
+      res = gst_pad_push_event (enc->srcpad, event);
+      GST_STREAM_UNLOCK (pad);
+      break;
     default:
-      return gst_pad_event_default (pad, event);
+      res = gst_pad_push_event (enc->srcpad, event);
   }
+  return res;
 }
 
 static GstFlowReturn
@@ -721,11 +728,9 @@ theora_enc_change_state (GstElement * element, GstStateChange transition)
     case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
       break;
     case GST_STATE_CHANGE_PAUSED_TO_READY:
-      GST_STREAM_LOCK (enc->sinkpad);
       theora_clear (&enc->state);
       theora_comment_clear (&enc->comment);
       theora_info_clear (&enc->info);
-      GST_STREAM_UNLOCK (enc->sinkpad);
       break;
     case GST_STATE_CHANGE_READY_TO_NULL:
       break;
diff --git a/ext/vorbis/vorbisenc.c b/ext/vorbis/vorbisenc.c
index 3e6b4b61d8..618c53f54c 100644
--- a/ext/vorbis/vorbisenc.c
+++ b/ext/vorbis/vorbisenc.c
@@ -550,8 +550,6 @@ gst_vorbisenc_init (GstVorbisEnc * vorbisenc)
   vorbisenc->quality_set = FALSE;
   vorbisenc->last_message = NULL;
 
-  vorbisenc->setup = FALSE;
-  vorbisenc->header_sent = FALSE;
 }
 
 
@@ -883,14 +881,17 @@ gst_vorbisenc_sink_event (GstPad * pad, GstEvent * event)
 
   switch (GST_EVENT_TYPE (event)) {
     case GST_EVENT_EOS:
+      GST_STREAM_LOCK (pad);
       /* Tell the library we're at end of stream so that it can handle
        * the last frame and mark end of stream in the output properly */
       GST_DEBUG_OBJECT (vorbisenc, "EOS, clearing state and sending event on");
       gst_vorbisenc_clear (vorbisenc);
 
-      res = gst_pad_event_default (pad, event);
+      res = gst_pad_push_event (vorbisenc->srcpad, event);
+      GST_STREAM_UNLOCK (pad);
       break;
     case GST_EVENT_TAG:
+      GST_STREAM_LOCK (pad);
       if (vorbisenc->tags) {
         GstTagList *list;
 
@@ -900,10 +901,11 @@ gst_vorbisenc_sink_event (GstPad * pad, GstEvent * event)
       } else {
         g_assert_not_reached ();
       }
-      res = gst_pad_event_default (pad, event);
+      res = gst_pad_push_event (vorbisenc->srcpad, event);
+      GST_STREAM_UNLOCK (pad);
       break;
     default:
-      res = gst_pad_event_default (pad, event);
+      res = gst_pad_push_event (vorbisenc->srcpad, event);
       break;
   }
   return res;
@@ -1141,7 +1143,11 @@ gst_vorbisenc_change_state (GstElement * element, GstStateChange transition)
       vorbisenc->tags = gst_tag_list_new ();
       break;
     case GST_STATE_CHANGE_READY_TO_PAUSED:
+      vorbisenc->setup = FALSE;
+      vorbisenc->header_sent = FALSE;
+      break;
     case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
+      break;
     default:
       break;
   }
@@ -1152,7 +1158,9 @@ gst_vorbisenc_change_state (GstElement * element, GstStateChange transition)
     case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
       break;
     case GST_STATE_CHANGE_PAUSED_TO_READY:
-      gst_vorbisenc_clear (vorbisenc);
+      vorbis_block_clear (&vorbisenc->vb);
+      vorbis_dsp_clear (&vorbisenc->vd);
+      vorbis_info_clear (&vorbisenc->vi);
       break;
     case GST_STATE_CHANGE_READY_TO_NULL:
       gst_tag_list_free (vorbisenc->tags);