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avformat/utils: Use static mutexes instead of ff_lock_avformat()

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Its existence is a remnant of (libavcodec's) lock-manager API
which has been removed in a04c2c707d.
There is no need to use the same lock for avisynth, chromaprint
or tls, so switch to ordinary static mutexes instead.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2024-05-17 14:53:33 +02:00
parent a2874c5721
commit 8b48b0adab
6 changed files with 30 additions and 46 deletions
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13
libavformat/utils.c
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@ -27,7 +27,6 @@
#include "libavutil/bprint.h"
#include "libavutil/internal.h"
#include "libavutil/mem.h"
#include "libavutil/thread.h"
#include "libavutil/time.h"
#include "libavcodec/internal.h"
@ -40,23 +39,11 @@
#endif
#include "os_support.h"
static AVMutex avformat_mutex = AV_MUTEX_INITIALIZER;
/**
* @file
* various utility functions for use within FFmpeg
*/
int ff_lock_avformat(void)
{
return ff_mutex_lock(&avformat_mutex) ? -1 : 0;
}
int ff_unlock_avformat(void)
{
return ff_mutex_unlock(&avformat_mutex) ? -1 : 0;
}
/* an arbitrarily chosen "sane" max packet size -- 50M */
#define SANE_CHUNK_SIZE (50000000)