avfilter/vf_swapuv: Avoid using non public AV_PIX_FMT_NB

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

diff --git a/libavfilter/vf_swapuv.c b/libavfilter/vf_swapuv.c
index 71ae243..175e39c 100644 (file)
--- a/libavfilter/vf_swapuv.c
+++ b/libavfilter/vf_swapuv.c
@@ -73,7 +73,7 @@ static int query_formats(AVFilterContext *ctx)
     AVFilterFormats *formats = NULL;
     int fmt;
 
-    for (fmt = 0; fmt < AV_PIX_FMT_NB; fmt++) {
+    for (fmt = 0; av_pix_fmt_desc_get(fmt); fmt++) {
         const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
         if (is_planar_yuv(desc))
             ff_add_format(&formats, fmt);