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memory: fix maxsize after align

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when we align the data pointer, make sure to update the maxsize.
Add some more debug
This commit is contained in:
Wim Taymans 2012-03-15 00:23:57 +01:00
parent 0addca0810
commit 592b5bec39
1 changed files with 8 additions and 3 deletions
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11
gst/gstmemory.c
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@ -146,7 +146,9 @@ _default_mem_init (GstMemoryDefault * mem, GstMemoryFlags flags,
mem->user_data = user_data;
mem->notify = notify;
GST_CAT_DEBUG (GST_CAT_MEMORY, "new memory %p", mem);
GST_CAT_DEBUG (GST_CAT_MEMORY, "new memory %p, maxsize:%" G_GSIZE_FORMAT
" offset:%" G_GSIZE_FORMAT " size:%" G_GSIZE_FORMAT, mem, maxsize,
offset, size);
}
/* create a new memory block that manages the given memory */
@ -189,8 +191,11 @@ _default_mem_new_block (GstMemoryFlags flags, gsize maxsize, gsize align,
data = (guint8 *) mem + sizeof (GstMemoryDefault);
if ((aoffset = ((guintptr) data & align)))
data += (align + 1) - aoffset;
if ((aoffset = ((guintptr) data & align))) {
aoffset = (align + 1) - aoffset;
data += aoffset;
maxsize -= aoffset;
}
if (offset && (flags & GST_MEMORY_FLAG_ZERO_PREFIXED))
memset (data, 0, offset);