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Make GstAllocator a GstObject instead of a GstMiniObject, like bufferpool. Make a new gstallocator.c file. Make a GstAllocator subclass for the default allocator.
54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
#include <gst/gst.h>
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#include "my-memory.h"
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#include "my-vidmem.h"
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int
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main (int argc, char **argv)
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{
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GstAllocator *alloc;
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GstMemory *mem;
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GstAllocationParams params;
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GstMapInfo info;
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guint f, w, h;
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gst_init (&argc, &argv);
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/* memory using the default API */
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my_memory_init ();
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alloc = gst_allocator_find ("MyMemory");
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gst_allocation_params_init (¶ms);
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mem = gst_allocator_alloc (alloc, 1024, ¶ms);
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gst_memory_map (mem, &info, GST_MAP_READ);
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gst_memory_unmap (mem, &info);
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gst_memory_unref (mem);
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gst_object_unref (alloc);
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/* allocator with custom alloc API */
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my_vidmem_init ();
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/* we can get the allocator but we can only make objects from it when we know
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* the API */
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alloc = gst_allocator_find ("MyVidmem");
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/* use custom api to alloc */
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mem = my_vidmem_alloc (0, 640, 480);
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g_assert (my_is_vidmem (mem));
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my_vidmem_get_format (mem, &f, &w, &h);
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g_assert (f == 0);
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g_assert (w == 640);
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g_assert (h == 480);
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gst_memory_map (mem, &info, GST_MAP_READ);
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gst_memory_unmap (mem, &info);
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gst_memory_unref (mem);
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gst_object_unref (alloc);
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return 0;
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}
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