X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavdevice%2Fjack.c;h=545548423d80ba53ce4e47dfca9523b93bfac7e6;hb=ca408cf557b879cd08570c0b93ad98d40baec667;hp=9ecbf9e32c2062d78a65f0bcf8c866d2af3403c7;hpb=7c6e86c0cec17dfc020d58c82f4f1af5fcaea6c1;p=ffmpeg

diff --git a/libavdevice/jack.c b/libavdevice/jack.c
index 9ecbf9e32c2..545548423d8 100644
--- a/libavdevice/jack.c
+++ b/libavdevice/jack.c
@@ -35,6 +35,16 @@
 #include "timefilter.h"
 #include "avdevice.h"
 
+#if HAVE_DISPATCH_DISPATCH_H
+#include <dispatch/dispatch.h>
+#define sem_t dispatch_semaphore_t
+#define sem_init(psem,x,val)  *psem = dispatch_semaphore_create(val)
+#define sem_post(psem)                dispatch_semaphore_signal(*psem)
+#define sem_wait(psem)                dispatch_semaphore_wait(*psem, DISPATCH_TIME_FOREVER)
+#define sem_timedwait(psem, val)      dispatch_semaphore_wait(*psem, dispatch_walltime(val, 0))
+#define sem_destroy(psem)             dispatch_release(*psem)
+#endif
+
 /**
  * Size of the internal FIFO buffers as a number of audio packets
  */