diff options
Diffstat (limited to 'libswscale')
| -rw-r--r-- | libswscale/utils.c | 6 |
1 files 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); |