In particular, don't reinitialize VLCs every time an IntraX8Context is
initialized.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com>
---
libavcodec/intrax8.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavcodec/intrax8.c b/libavcodec/intrax8.c
index b62bff3b48..0bd0db29c4 100644
--- a/libavcodec/intrax8.c
+++ b/libavcodec/intrax8.c
@@ -22,6 +22,7 @@
*/
#include "libavutil/avassert.h"
+#include "libavutil/thread.h"
#include "avcodec.h"
#include "get_bits.h"
#include "idctdsp.h"
@@ -696,6 +697,8 @@ av_cold int ff_intrax8_common_init(AVCodecContext *avctx,
int block_last_index[12],
int mb_width, int mb_height)
{
+ static AVOnce init_static_once = AV_ONCE_INIT;
+
w->avctx = avctx;
w->idsp = *idsp;
w->mb_width = mb_width;
@@ -723,7 +726,7 @@ av_cold int ff_intrax8_common_init(AVCodecContext *avctx,
ff_intrax8dsp_init(&w->dsp);
ff_blockdsp_init(&w->bdsp, avctx);
- x8_vlc_init();
+ ff_thread_once(&init_static_once, x8_vlc_init);
return 0;
}
--
2.25.1
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