1 files changed, 72 insertions, 0 deletions
diff --git a/libavfilter/bwdif.h b/libavfilter/bwdif.h
new file mode 100644
index 0000000000..8b42c760a0
--- /dev/null
+++ b/libavfilter/bwdif.h
@@ -0,0 +1,72 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVFILTER_BWDIF_H
+#define AVFILTER_BWDIF_H
+
+#include "libavutil/pixdesc.h"
+#include "avfilter.h"
+
+enum BWDIFMode {
+    BWDIF_MODE_SEND_FRAME = 0, ///< send 1 frame for each frame
+    BWDIF_MODE_SEND_FIELD = 1, ///< send 1 frame for each field
+};
+
+enum BWDIFParity {
+    BWDIF_PARITY_TFF  =  0, ///< top field first
+    BWDIF_PARITY_BFF  =  1, ///< bottom field first
+    BWDIF_PARITY_AUTO = -1, ///< auto detection
+};
+
+enum BWDIFDeint {
+    BWDIF_DEINT_ALL        = 0, ///< deinterlace all frames
+    BWDIF_DEINT_INTERLACED = 1, ///< only deinterlace frames marked as interlaced
+};
+
+typedef struct BWDIFContext {
+    const AVClass *class;
+
+    int mode;           ///< BWDIFMode
+    int parity;         ///< BWDIFParity
+    int deint;          ///< BWDIFDeint
+
+    int frame_pending;
+
+    AVFrame *cur;
+    AVFrame *next;
+    AVFrame *prev;
+    AVFrame *out;
+
+    void (*filter_intra)(void *dst1, void *cur1, int w, int prefs, int mrefs,
+                         int prefs3, int mrefs3, int parity, int clip_max);
+    void (*filter_line)(void *dst, void *prev, void *cur, void *next,
+                        int w, int prefs, int mrefs, int prefs2, int mrefs2,
+                        int prefs3, int mrefs3, int prefs4, int mrefs4,
+                        int parity, int clip_max);
+    void (*filter_edge)(void *dst, void *prev, void *cur, void *next,
+                        int w, int prefs, int mrefs, int prefs2, int mrefs2,
+                        int parity, int clip_max, int spat);
+
+    const AVPixFmtDescriptor *csp;
+    int inter_field;
+    int eof;
+} BWDIFContext;
+
+void ff_bwdif_init_x86(BWDIFContext *bwdif);
+
+#endif /* AVFILTER_BWDIF_H */