Call ff_sws_rgb2rgb_init via ff_thread_once instead of checking one of the
variables it updates.
---
libswscale/utils.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/libswscale/utils.c b/libswscale/utils.c
index 6bac7b658d..d673209d95 100644
--- a/libswscale/utils.c
+++ b/libswscale/utils.c
@@ -49,6 +49,7 @@
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
+#include "libavutil/thread.h"
#include "libavutil/aarch64/cpu.h"
#include "libavutil/ppc/cpu.h"
#include "libavutil/x86/asm.h"
@@ -1189,12 +1190,13 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter
*srcFilter,
int ret = 0;
enum AVPixelFormat tmpFmt;
static const float float_mult = 1.0f / 255.0f;
+ static AVOnce rgb2rgb_once = AV_ONCE_INIT;
cpu_flags = av_get_cpu_flags();
flags = c->flags;
emms_c();
- if (!rgb15to16)
- ff_sws_rgb2rgb_init();
+ if (ff_thread_once(&rgb2rgb_once, ff_sws_rgb2rgb_init) != 0)
+ return AVERROR_UNKNOWN;
unscaled = (srcW == dstW && srcH == dstH);
--
2.31.1.527.g47e6f16901-goog
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