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authorMartin Storsjö <martin@martin.st>2011-10-30 01:20:15 +0300
committerMartin Storsjö <martin@martin.st>2011-11-05 12:08:53 +0200
commit2d1b6fb72bd3d37798d448ba32ba85ee0eabd9e3 (patch)
treefea1310ec13caea957bd5ed593ce6b05e0835a36
parentf6d371009678e46877e6f81ab0eae475d41b1f57 (diff)
downloadffmpeg-2d1b6fb72bd3d37798d448ba32ba85ee0eabd9e3.tar.gz
avcodec: Allow locking and unlocking an avformat specific mutex
This extends the lock manager in avcodec to manage two separate mutexes via the user-specified lock functions. Signed-off-by: Martin Storsjö <martin@martin.st>
-rw-r--r--libavcodec/internal.h3
-rw-r--r--libavcodec/utils.c23
-rw-r--r--libavcodec/version.h2
3 files changed, 27 insertions, 1 deletions
diff --git a/libavcodec/internal.h b/libavcodec/internal.h
index e676148d75..54d57d2bec 100644
--- a/libavcodec/internal.h
+++ b/libavcodec/internal.h
@@ -55,4 +55,7 @@ int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b);
unsigned int avpriv_toupper4(unsigned int x);
+int avpriv_lock_avformat(void);
+int avpriv_unlock_avformat(void);
+
#endif /* AVCODEC_INTERNAL_H */
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 35c9eebc3a..cd8dce91fc 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -48,6 +48,7 @@
static int volatile entangled_thread_counter=0;
static int (*ff_lockmgr_cb)(void **mutex, enum AVLockOp op);
static void *codec_mutex;
+static void *avformat_mutex;
void *av_fast_realloc(void *ptr, unsigned int *size, size_t min_size)
{
@@ -1270,6 +1271,8 @@ int av_lockmgr_register(int (*cb)(void **mutex, enum AVLockOp op))
if (ff_lockmgr_cb) {
if (ff_lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY))
return -1;
+ if (ff_lockmgr_cb(&avformat_mutex, AV_LOCK_DESTROY))
+ return -1;
}
ff_lockmgr_cb = cb;
@@ -1277,6 +1280,26 @@ int av_lockmgr_register(int (*cb)(void **mutex, enum AVLockOp op))
if (ff_lockmgr_cb) {
if (ff_lockmgr_cb(&codec_mutex, AV_LOCK_CREATE))
return -1;
+ if (ff_lockmgr_cb(&avformat_mutex, AV_LOCK_CREATE))
+ return -1;
+ }
+ return 0;
+}
+
+int avpriv_lock_avformat(void)
+{
+ if (ff_lockmgr_cb) {
+ if ((*ff_lockmgr_cb)(&avformat_mutex, AV_LOCK_OBTAIN))
+ return -1;
+ }
+ return 0;
+}
+
+int avpriv_unlock_avformat(void)
+{
+ if (ff_lockmgr_cb) {
+ if ((*ff_lockmgr_cb)(&avformat_mutex, AV_LOCK_RELEASE))
+ return -1;
}
return 0;
}
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 65cc5594cc..3fc418e466 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -21,7 +21,7 @@
#define AVCODEC_VERSION_H
#define LIBAVCODEC_VERSION_MAJOR 53
-#define LIBAVCODEC_VERSION_MINOR 15
+#define LIBAVCODEC_VERSION_MINOR 16
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \