virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-10-30 23:18:11 +02:00
Code Issues Releases Activity

avformat: make av_register_*put_format() thread safe

Browse Source 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-06-29 03:44:15 +02:00
parent b36b5edb8f
commit 53fd1ab26b
1 changed files with 5 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
libavformat/format.c
View File

@@ -21,6 +21,7 @@
#include "avformat.h"
#include "internal.h"
#include "libavutil/atomic.h"
#include "libavutil/avstring.h"
/**
@@ -52,22 +53,18 @@ void av_register_input_format(AVInputFormat *format)
{
AVInputFormat **p = &first_iformat;
while (*p != NULL)
p = &(*p)->next;
*p = format;
format->next = NULL;
while(avpriv_atomic_ptr_cas((void * volatile *)p, NULL, format))
p = &(*p)->next;
}
void av_register_output_format(AVOutputFormat *format)
{
AVOutputFormat **p = &first_oformat;
while (*p != NULL)
p = &(*p)->next;
*p = format;
format->next = NULL;
while(avpriv_atomic_ptr_cas((void * volatile *)p, NULL, format))
p = &(*p)->next;
}
int av_match_ext(const char *filename, const char *extensions)