ext/theora/: Track initialisation state; don't try to use encoder state if we're not initialised (it'll segfault).

Original commit message from CVS:
* ext/theora/gsttheoraenc.h:
* ext/theora/theoraenc.c: (theora_enc_sink_setcaps),
(theora_enc_sink_event), (theora_enc_change_state):
Track initialisation state; don't try to use encoder state if we're
not initialised (it'll segfault).

4 files changed, 22 insertions, 8 deletions

diff --git a/ChangeLog b/ChangeLog
index e0201621..d6b79b2b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2007-04-19  Michael Smith  <msmith@fluendo.com>
+
+	* ext/theora/gsttheoraenc.h:
+	* ext/theora/theoraenc.c: (theora_enc_sink_setcaps),
+	(theora_enc_sink_event), (theora_enc_change_state):
+	  Track initialisation state; don't try to use encoder state if we're
+	  not initialised (it'll segfault).
+
 2007-04-18  Stefan Kost  <ensonic@users.sf.net>
 
 	* tests/check/pipelines/.cvsignore:
diff --git a/common b/common
-Subproject 380281f0da9caa065cfe99a458b3538cc3f5d71
+Subproject 765d03a88492fb4ac81d70457f671f3a109e93d
diff --git a/ext/theora/gsttheoraenc.h b/ext/theora/gsttheoraenc.h
index 009a56d8..6a04da72 100644
--- a/ext/theora/gsttheoraenc.h
+++ b/ext/theora/gsttheoraenc.h
@@ -72,6 +72,7 @@ struct _GstTheoraEnc
   theora_state state;
   theora_info info;
   theora_comment comment;
+  gboolean initialised;
 
   gboolean center;
   GstTheoraEncBorderMode border;
diff --git a/ext/theora/theoraenc.c b/ext/theora/theoraenc.c
index 75ebe156..d80838c2 100644
--- a/ext/theora/theoraenc.c
+++ b/ext/theora/theoraenc.c
@@ -396,6 +396,7 @@ theora_enc_sink_setcaps (GstPad * pad, GstCaps * caps)
       enc->info.keyframe_frequency_force, enc->granule_shift);
 
   theora_enc_reset (enc);
+  enc->initialised = TRUE;
 
   gst_object_unref (enc);
 
@@ -550,14 +551,17 @@ theora_enc_sink_event (GstPad * pad, GstEvent * event)
 
   switch (GST_EVENT_TYPE (event)) {
     case GST_EVENT_EOS:
-      /* push last packet with eos flag */
-      while (theora_encode_packetout (&enc->state, 1, &op)) {
-        /* See comment in the chain function */
-        GstClockTime next_time = theora_granule_time (&enc->state,
-            granulepos_add (op.granulepos, 1, enc->granule_shift)) * GST_SECOND;
-
-        theora_push_packet (enc, &op, enc->next_ts, next_time - enc->next_ts);
-        enc->next_ts = next_time;
+      if (enc->initialised) {
+        /* push last packet with eos flag */
+        while (theora_encode_packetout (&enc->state, 1, &op)) {
+          /* See comment in the chain function */
+          GstClockTime next_time = theora_granule_time (&enc->state,
+              granulepos_add (op.granulepos, 1, enc->granule_shift)) *
+              GST_SECOND;
+
+          theora_push_packet (enc, &op, enc->next_ts, next_time - enc->next_ts);
+          enc->next_ts = next_time;
+        }
       }
       res = gst_pad_push_event (enc->srcpad, event);
       break;
@@ -945,6 +949,7 @@ theora_enc_change_state (GstElement * element, GstStateChange transition)
       theora_info_clear (&enc->info);
 
       theora_enc_clear (enc);
+      enc->initialised = FALSE;
       break;
     case GST_STATE_CHANGE_READY_TO_NULL:
       break;