gst/matroska/matroska-demux.c: Don't error out when the source pad isn't linked.

Original commit message from CVS:
* gst/matroska/matroska-demux.c:
(gst_matroska_demux_push_vorbis_codec_priv_data),
(gst_matroska_demux_add_wvpk_header):
Don't error out when the source pad isn't linked.

1 files changed, 12 insertions, 17 deletions

diff --git a/gst/matroska/matroska-demux.c b/gst/matroska/matroska-demux.c
index 96f53f32..3a363ca0 100644
--- a/gst/matroska/matroska-demux.c
+++ b/gst/matroska/matroska-demux.c
@@ -2008,28 +2008,23 @@ gst_matroska_demux_push_vorbis_codec_priv_data (GstMatroskaDemux * demux,
   for (i = 0; i < 2; i++) {
     length = p[i + 1];
     if (gst_pad_alloc_buffer (stream->pad, GST_BUFFER_OFFSET_NONE,
-            length, stream->caps, &priv) != GST_FLOW_OK) {
-      return FALSE;
-    }
-
-    memcpy (GST_BUFFER_DATA (priv), &p[offset], length);
-
-    ret = gst_pad_push (stream->pad, priv);
-    if (ret != GST_FLOW_OK && ret != GST_FLOW_NOT_LINKED)
-      return FALSE;
+            length, stream->caps, &priv) == GST_FLOW_OK) {
+      memcpy (GST_BUFFER_DATA (priv), &p[offset], length);
 
+      ret = gst_pad_push (stream->pad, priv);
+      if (ret != GST_FLOW_OK && ret != GST_FLOW_NOT_LINKED)
+        return FALSE;
+    }
     offset += length;
   }
   length = stream->codec_priv_size - offset;
   if (gst_pad_alloc_buffer (stream->pad, GST_BUFFER_OFFSET_NONE, length,
-          stream->caps, &priv) != GST_FLOW_OK) {
-    return FALSE;
+          stream->caps, &priv) == GST_FLOW_OK) {
+    memcpy (GST_BUFFER_DATA (priv), &p[offset], length);
+    ret = gst_pad_push (stream->pad, priv);
+    if (ret != GST_FLOW_OK && ret != GST_FLOW_NOT_LINKED)
+      return FALSE;
   }
-  memcpy (GST_BUFFER_DATA (priv), &p[offset], length);
-  ret = gst_pad_push (stream->pad, priv);
-  if (ret != GST_FLOW_OK && ret != GST_FLOW_NOT_LINKED)
-    return FALSE;
-
   return TRUE;
 }
 
@@ -2072,7 +2067,7 @@ gst_matroska_demux_add_wvpk_header (GstMatroskaTrackContext * stream,
   newlen = block_length + sizeof (Wavpack4Header) - 12;
   if (gst_pad_alloc_buffer (stream->pad, GST_BUFFER_OFFSET_NONE, newlen,
           stream->caps, &newbuf) != GST_FLOW_OK) {
-    return FALSE;
+    return TRUE;                /* not an error, pad might not be linked */
   }
 
   data = GST_BUFFER_DATA (newbuf);