From: Wim Taymans <wim.taymans@collabora.co.uk>
Date: Wed, 4 Apr 2012 07:33:30 +0000 (+0200)
Subject: rtpbuffer: removed old memory
X-Git-Tag: 1.19.3~511^2~6612
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=296e1bf3dd756c939a622422ced3e639fa0cce04;p=platform%2Fupstream%2Fgstreamer.git

rtpbuffer: removed old memory

Ensure writability of rtp buffer and remove old memory first
Fix some docs
---

diff --git a/gst-libs/gst/rtp/gstrtpbuffer.c b/gst-libs/gst/rtp/gstrtpbuffer.c
index 4cd24c3..e4752aa 100644
--- a/gst-libs/gst/rtp/gstrtpbuffer.c
+++ b/gst-libs/gst/rtp/gstrtpbuffer.c
@@ -92,7 +92,7 @@ typedef struct _GstRTPHeader
  *
  * Allocate enough data in @buffer to hold an RTP packet with @csrc_count CSRCs,
  * a payload length of @payload_len and padding of @pad_len.
- * MALLOCDATA of @buffer will be overwritten and will not be freed. 
+ * @buffer must be writable and all previous memory in @buffer will be freed.
  * All other RTP header fields will be set to 0/FALSE.
  */
 void
@@ -105,6 +105,9 @@ gst_rtp_buffer_allocate_data (GstBuffer * buffer, guint payload_len,
 
   g_return_if_fail (csrc_count <= 15);
   g_return_if_fail (GST_IS_BUFFER (buffer));
+  g_return_if_fail (gst_buffer_is_writable (buffer));
+
+  gst_buffer_remove_all_memory (buffer);
 
   len = GST_RTP_HEADER_LEN + csrc_count * sizeof (guint32)
       + payload_len + pad_len;