diff options
Diffstat (limited to 'media/ffvpx/libavutil/mem_internal.h')
-rw-r--r-- | media/ffvpx/libavutil/mem_internal.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/media/ffvpx/libavutil/mem_internal.h b/media/ffvpx/libavutil/mem_internal.h new file mode 100644 index 000000000..6fdbcb016 --- /dev/null +++ b/media/ffvpx/libavutil/mem_internal.h @@ -0,0 +1,45 @@ +/* + * 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 */ |