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| author | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-11-23 04:20:07 +0100 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-12-08 17:51:48 +0100 |
| commit | 4f5bd6177da43263a47239d96ec1776ccf46368e (patch) | |
| tree | 77c14371ab148cd679f253d1393ca0139432edb2 /libavcodec/dsd.c | |
| parent | fd5d66af744462a97237fa0474e77924c71729ec (diff) | |
avcodec/dsd: Make initializing DSD tables thread-safe
This automatically makes the DSD formats as well as DST and WavPack
init-threadsafe.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Diffstat (limited to 'libavcodec/dsd.c')
| -rw-r--r-- | libavcodec/dsd.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/libavcodec/dsd.c b/libavcodec/dsd.c index d48f87fa0f..95aab61ea4 100644 --- a/libavcodec/dsd.c +++ b/libavcodec/dsd.c @@ -21,6 +21,7 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +#include "libavutil/thread.h" #include "libavcodec/internal.h" #include "libavcodec/mathops.h" #include "avcodec.h" @@ -45,11 +46,8 @@ static av_cold void dsd_ctables_tableinit(void) av_cold void ff_init_dsd_data(void) { - static int done = 0; - if (done) - return; - dsd_ctables_tableinit(); - done = 1; + static AVOnce init_static_once = AV_ONCE_INIT; + ff_thread_once(&init_static_once, dsd_ctables_tableinit); } void ff_dsd2pcm_translate(DSDContext* s, size_t samples, int lsbf, |