1 files changed, 7 insertions, 0 deletions
diff --git a/libavfilter/tinterlace.h b/libavfilter/tinterlace.h
index 5bcb9a583a..e204b61aa0 100644
--- a/libavfilter/tinterlace.h
+++ b/libavfilter/tinterlace.h
@@ -37,6 +37,12 @@
 #define TINTERLACE_FLAG_CVLPF 2
 #define TINTERLACE_FLAG_EXACT_TB 4
 
+enum VLPFilter {
+    VLPF_OFF = 0,
+    VLPF_LIN = 1,
+    VLPF_CMP = 2,
+};
+
 enum TInterlaceMode {
     MODE_MERGE = 0,
     MODE_DROP_EVEN,
@@ -59,6 +65,7 @@ typedef struct TInterlaceContext {
     int mode;                   ///< TInterlaceMode, interlace mode selected
     AVRational preout_time_base;
     int flags;                  ///< flags affecting interlacing algorithm
+    int lowpass;                ///< legacy interlace filter lowpass mode
     int frame;                  ///< number of the output frame
     int vsub;                   ///< chroma vertical subsampling
     AVFrame *cur;