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-rw-r--r--libavfilter/vidstabutils.h17
1 files changed, 14 insertions, 3 deletions
diff --git a/libavfilter/vidstabutils.h b/libavfilter/vidstabutils.h
index 93278f680d..c6d6cedb72 100644
--- a/libavfilter/vidstabutils.h
+++ b/libavfilter/vidstabutils.h
@@ -25,12 +25,23 @@
#include "avfilter.h"
-/* ** some conversions from avlib to vid.stab constants and functions *** */
+/* Conversion routines between libav* and vid.stab */
-/** converts the pixelformat of avlib into the one of the vid.stab library */
+/**
+ * Converts an AVPixelFormat to a VSPixelFormat.
+ *
+ * @param[in] ctx AVFilterContext used for logging
+ * @param[in] pf AVPixelFormat
+ * @return a corresponding VSPixelFormat
+ */
VSPixelFormat ff_av2vs_pixfmt(AVFilterContext *ctx, enum AVPixelFormat pf);
-/** sets the memory allocation function and logging constants to av versions */
+/**
+ * Initialize libvidstab
+ *
+ * Sets the memory allocation functions and logging constants to corresponding
+ * av* versions.
+ */
void ff_vs_init(void);
#endif