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| author | Michael Niedermayer <michaelni@gmx.at> | 2015-03-13 22:28:25 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-03-13 23:59:07 +0100 |
| commit | b14de8e6895cf1191e2c2f94e1c33db296a34342 (patch) | |
| tree | 618e5d932a92d23203822f4e96515062a57b8cb3 /libavcodec/utils.c | |
| parent | b910c6ca562ace58144d338089206889c8eadde3 (diff) | |
| download | ffmpeg-b14de8e6895cf1191e2c2f94e1c33db296a34342.tar.gz | |
avcodec/utils: use atomic operations on entangled_thread_counter
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/utils.c')
| -rw-r--r-- | libavcodec/utils.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 14a4d7b6c5..82f74d6df2 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -3610,8 +3610,8 @@ int ff_lock_avcodec(AVCodecContext *log_ctx, AVCodec *codec) if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN)) return -1; } - entangled_thread_counter++; - if (entangled_thread_counter != 1 && + + if (avpriv_atomic_int_add_and_fetch(&entangled_thread_counter, 1) != 1 && !(codec->caps_internal & FF_CODEC_CAP_INIT_THREADSAFE)) { av_log(log_ctx, AV_LOG_ERROR, "Insufficient thread locking. At least %d threads are " @@ -3632,7 +3632,7 @@ int ff_unlock_avcodec(void) { av_assert0(ff_avcodec_locked); ff_avcodec_locked = 0; - entangled_thread_counter--; + avpriv_atomic_int_add_and_fetch(&entangled_thread_counter, -1); if (lockmgr_cb) { if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE)) return -1; |