#include "libavutil/crc.h"
#include "libavutil/downmix_info.h"
#include "libavutil/opt.h"
+#include "libavutil/thread.h"
#include "bswapdsp.h"
#include "internal.h"
#include "aac_ac3_parser.h"
*/
static av_cold int ac3_decode_init(AVCodecContext *avctx)
{
+ static AVOnce init_static_once = AV_ONCE_INIT;
AC3DecodeContext *s = avctx->priv_data;
int i, ret;
s->avctx = avctx;
- ac3_tables_init();
if ((ret = ff_mdct_init(&s->imdct_256, 8, 1, 1.0)) < 0 ||
(ret = ff_mdct_init(&s->imdct_512, 9, 1, 1.0)) < 0)
return ret;
s->dlyptr[i] = s->delay[i];
}
+ ff_thread_once(&init_static_once, ac3_tables_init);
+
return 0;
}