MrBesen
/
ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

avutil/mem: make ff_fast_malloc() internal to mem.c 

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2021-05-23 11:24:17 -03:00
parent e44cb7363f
commit 786be70e28
2 changed files with 21 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
libavutil/mem.c
View File

@ -510,12 +510,31 @@ void *av_fast_realloc(void *ptr, unsigned int *size, size_t min_size)
return ptr;
}
static inline void 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;
}
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;
}
void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size)
{
ff_fast_malloc(ptr, size, min_size, 0);
fast_malloc(ptr, size, min_size, 0);
}
void av_fast_mallocz(void *ptr, unsigned int *size, size_t min_size)
{
ff_fast_malloc(ptr, size, min_size, 1);
fast_malloc(ptr, size, min_size, 1);
}

18
libavutil/mem_internal.h
View File

@ -136,22 +136,4 @@
# define LOCAL_ALIGNED_32(t, v, ...) E1(LOCAL_ALIGNED_A(32, t, v, __VA_ARGS__,,))
#endif
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 */