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-rw-r--r--src/libffmpeg/libavcodec/mem.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/libffmpeg/libavcodec/mem.c b/src/libffmpeg/libavcodec/mem.c
new file mode 100644
index 000000000..113e285e7
--- /dev/null
+++ b/src/libffmpeg/libavcodec/mem.c
@@ -0,0 +1,60 @@
+/*
+ * default memory allocator for libavcodec
+ * Copyright (c) 2002 Fabrice Bellard.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include "avcodec.h"
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#endif
+
+/* you can redefine av_malloc and av_free in your project to use your
+ memory allocator. You do not need to suppress this file because the
+ linker will do it automatically */
+
+/* memory alloc */
+void *av_malloc(int size)
+{
+ void *ptr;
+#if defined ( ARCH_X86 ) && defined ( HAVE_MEMALIGN ) && 0
+ ptr = memalign(64,size);
+ /* Why 64?
+ Indeed, we should align it:
+ on 4 for 386
+ on 16 for 486
+ on 32 for 586, PPro - k6-III
+ on 64 for K7 (maybe for P3 too).
+ Because L1 and L2 caches are aligned on those values.
+ But I don't want to code such logic here!
+ */
+#else
+ ptr = malloc(size);
+#endif
+ if (!ptr)
+ return NULL;
+ /* NOTE: this memset should not be present */
+ memset(ptr, 0, size);
+ return ptr;
+}
+
+/* NOTE: ptr = NULL is explicetly allowed */
+void av_free(void *ptr)
+{
+ /* XXX: this test should not be needed on most libcs */
+ if (ptr)
+ free(ptr);
+}
+