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-rw-r--r--libavfilter/formats.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/libavfilter/formats.c b/libavfilter/formats.c
index ae916cf16c..848b2ee119 100644
--- a/libavfilter/formats.c
+++ b/libavfilter/formats.c
@@ -21,6 +21,7 @@
#include "libavutil/pixdesc.h"
#include "avfilter.h"
+#include "internal.h"
/**
* Add all refs from a to ret and destroy a.
@@ -70,6 +71,17 @@ AVFilterFormats *avfilter_merge_formats(AVFilterFormats *a, AVFilterFormats *b)
return ret;
}
+int ff_fmt_is_in(int fmt, const int *fmts)
+{
+ const int *p;
+
+ for (p = fmts; *p != PIX_FMT_NONE; p++) {
+ if (fmt == *p)
+ return 1;
+ }
+ return 0;
+}
+
AVFilterFormats *avfilter_make_format_list(const int *fmts)
{
AVFilterFormats *formats;