1 files changed, 52 insertions, 0 deletions
diff --git a/libavfilter/threshold.h b/libavfilter/threshold.h
new file mode 100644
index 0000000000..775a9f9cae
--- /dev/null
+++ b/libavfilter/threshold.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2016 Paul B Mahol
+ *
+ * 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_THRESHOLD_H
+#define AVFILTER_THRESHOLD_H
+
+#include "avfilter.h"
+#include "framesync.h"
+
+typedef struct ThresholdContext {
+    const AVClass *class;
+
+    int depth;
+    int planes;
+    int bpc;
+
+    int nb_planes;
+    int width[4], height[4];
+
+    void (*threshold)(const uint8_t *in, const uint8_t *threshold,
+                      const uint8_t *min, const uint8_t *max,
+                      uint8_t *out,
+                      ptrdiff_t ilinesize, ptrdiff_t tlinesize,
+                      ptrdiff_t flinesize, ptrdiff_t slinesize,
+                      ptrdiff_t olinesize,
+                      int w, int h);
+
+    AVFrame *frames[4];
+    FFFrameSync fs;
+} ThresholdContext;
+
+void ff_threshold_init(ThresholdContext *s);
+void ff_threshold_init_x86(ThresholdContext *s);
+
+#endif /* AVFILTER_THRESHOLD_H */