avfilter: add limiter filter

Signed-off-by: Paul B Mahol <onemda@gmail.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/libavfilter/limiter.h b/libavfilter/limiter.h
new file mode 100644
index 0000000000..54d423d1f4
--- /dev/null
+++ b/libavfilter/limiter.h
@@ -0,0 +1,33 @@
+/*
+ * 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_LIMITER_H
+#define AVFILTER_LIMITER_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+typedef struct LimiterDSPContext {
+    void (*limiter)(const uint8_t *src, uint8_t *dst,
+                    ptrdiff_t slinesize, ptrdiff_t dlinesize,
+                    int w, int h, int min, int max);
+} LimiterDSPContext;
+
+void ff_limiter_init_x86(LimiterDSPContext *dsp, int bpp);
+
+#endif /* AVFILTER_LIMITER_H */