copy_on_write

Original commit message from CVS:
copy_on_write

diff --git a/gst/audiofx/audiowsinclimit.c b/gst/audiofx/audiowsinclimit.c
index 9a0b65e1f648f40ce41f10fc16c757603064b140..fc916a8254fa0a9ffd46587ec304e5bfc70538f4 100644 (file)
--- a/gst/audiofx/audiowsinclimit.c
+++ b/gst/audiofx/audiowsinclimit.c
@@ -234,6 +234,9 @@ gst_lpwsinc_chain (GstPad * pad, GstBuffer * buf)
    * to make amends we keep the incoming buffer around and write our
    * output samples there */
 
+  /* get a writable buffer */
+  buf = gst_buffer_copy_on_write (buf);
+
   src = (gfloat *) GST_BUFFER_DATA (buf);
   residue_samples = filter->wing_size * 2 + 1;
   input_samples = GST_BUFFER_SIZE (buf) / sizeof (gfloat);