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-rw-r--r--media/ffvpx/libavutil/mem_internal.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/media/ffvpx/libavutil/mem_internal.h b/media/ffvpx/libavutil/mem_internal.h
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+/*
+ * Copyright (c) 2002 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVUTIL_MEM_INTERNAL_H
+#define AVUTIL_MEM_INTERNAL_H
+
+#include "avassert.h"
+#include "mem.h"
+
+static inline int ff_fast_malloc(void *ptr, unsigned int *size, size_t min_size, int zero_realloc)
+{
+ void *val;
+
+ memcpy(&val, ptr, sizeof(val));
+ if (min_size <= *size) {
+ av_assert0(val || !min_size);
+ return 0;
+ }
+ min_size = FFMAX(min_size + min_size / 16 + 32, min_size);
+ av_freep(ptr);
+ val = zero_realloc ? av_mallocz(min_size) : av_malloc(min_size);
+ memcpy(ptr, &val, sizeof(val));
+ if (!val)
+ min_size = 0;
+ *size = min_size;
+ return 1;
+}
+#endif /* AVUTIL_MEM_INTERNAL_H */