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allocator: improve fallback copy function

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Only use the allocator of the copied memory when we can use the default
_alloc function on it. Otherwise we will have to use the default
allocator for the copy.
This commit is contained in:
Wim Taymans 2013-02-15 13:08:18 +01:00
parent f34d5bfa0f
commit 7e222212a8
1 changed files with 6 additions and 1 deletions
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7
gst/gstallocator.c
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@ -95,6 +95,7 @@ _fallback_mem_copy (GstMemory * mem, gssize offset, gssize size)
GstMemory *copy;
GstMapInfo sinfo, dinfo;
GstAllocationParams params = { 0, mem->align, 0, 0, };
GstAllocator *allocator;
if (!gst_memory_map (mem, &sinfo, GST_MAP_READ))
return NULL;
@ -103,7 +104,11 @@ _fallback_mem_copy (GstMemory * mem, gssize offset, gssize size)
size = sinfo.size > offset ? sinfo.size - offset : 0;
/* use the same allocator as the memory we copy */
copy = gst_allocator_alloc (mem->allocator, size, &params);
allocator = mem->allocator;
if (GST_OBJECT_FLAG_IS_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC))
allocator = NULL;
copy = gst_allocator_alloc (allocator, size, &params);
if (!gst_memory_map (copy, &dinfo, GST_MAP_WRITE)) {
GST_CAT_WARNING (GST_CAT_MEMORY, "could not write map memory %p", copy);
gst_allocator_free (mem->allocator, copy);