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buffer: fix _resize better

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This commit is contained in:
Wim Taymans 2011-07-11 16:42:56 +02:00
parent abf6293639
commit 6b3572feab
1 changed files with 8 additions and 4 deletions
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12
gst/gstbuffer.c
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@ -815,13 +815,17 @@ gst_buffer_resize (GstBuffer * buffer, gssize offset, gsize size)
g_return_if_fail (gst_buffer_is_writable (buffer));
/* FIXME, handle negative offsets */
bufsize = gst_buffer_get_sizes (buffer, &bufoffs, &bufmax);
g_return_if_fail (bufsize >= offset);
if (size == -1)
/* we can't go back further than the current offset or past the end of the
* buffer */
g_return_if_fail ((offset < 0 && bufoffs >= -offset) || (offset >= 0
&& bufoffs + offset <= bufmax));
if (size == -1) {
g_return_if_fail (bufsize >= offset);
size = bufsize - offset;
g_return_if_fail (bufsize >= offset + size);
}
g_return_if_fail (bufmax >= bufoffs + offset + size);
len = GST_BUFFER_MEM_LEN (buffer);