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cddabasesrc: safely handle the indexes

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This commit is contained in:
Wim Taymans 2009-08-28 19:06:57 +02:00
parent cbc6c0dfea
commit 008c760b6b
1 changed files with 27 additions and 4 deletions
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31
gst-libs/gst/cdda/gstcddabasesrc.c
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@ -284,6 +284,9 @@ gst_cdda_base_src_finalize (GObject * obj)
g_free (cddasrc->uri); g_free (cddasrc->uri);
g_free (cddasrc->device); g_free (cddasrc->device);
if (cddasrc->index)
gst_object_unref (cddasrc->index);
G_OBJECT_CLASS (parent_class)->finalize (obj); G_OBJECT_CLASS (parent_class)->finalize (obj);
} }
@ -1362,12 +1365,26 @@ static void
gst_cdda_base_src_set_index (GstElement * element, GstIndex * index) gst_cdda_base_src_set_index (GstElement * element, GstIndex * index)
{ {
GstCddaBaseSrc *src = GST_CDDA_BASE_SRC (element); GstCddaBaseSrc *src = GST_CDDA_BASE_SRC (element);
GstIndex *old;
GST_OBJECT_LOCK (element);
old = src->index;
if (old == index) {
GST_OBJECT_UNLOCK (element);
return;
}
if (index)
gst_object_ref (index);
src->index = index; src->index = index;
GST_OBJECT_UNLOCK (element);
if (old)
gst_object_unref (old);
gst_index_get_writer_id (index, GST_OBJECT (src), &src->index_id); if (index) {
gst_index_add_format (index, src->index_id, track_format); gst_index_get_writer_id (index, GST_OBJECT (src), &src->index_id);
gst_index_add_format (index, src->index_id, sector_format); gst_index_add_format (index, src->index_id, track_format);
gst_index_add_format (index, src->index_id, sector_format);
}
} }
@ -1375,8 +1392,14 @@ static GstIndex *
gst_cdda_base_src_get_index (GstElement * element) gst_cdda_base_src_get_index (GstElement * element)
{ {
GstCddaBaseSrc *src = GST_CDDA_BASE_SRC (element); GstCddaBaseSrc *src = GST_CDDA_BASE_SRC (element);
GstIndex *index;
return src->index; GST_OBJECT_LOCK (element);
if ((index = src->index))
gst_object_ref (index);
GST_OBJECT_UNLOCK (element);
return index;
} }
static gint static gint