avfilter: add anlmdn filter x86 SIMD optimizations

1 files changed, 40 insertions, 0 deletions

diff --git a/libavfilter/af_anlmdndsp.h b/libavfilter/af_anlmdndsp.h
new file mode 100644
index 0000000000..d8f5136cd8
--- /dev/null
+++ b/libavfilter/af_anlmdndsp.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2019 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_ANLMDNDSP_H
+#define AVFILTER_ANLMDNDSP_H
+
+#include "libavutil/common.h"
+
+#include "audio.h"
+#include "avfilter.h"
+#include "formats.h"
+#include "internal.h"
+
+typedef struct AudioNLMDNDSPContext {
+    float (*compute_distance_ssd)(const float *f1, const float *f2, ptrdiff_t K);
+    void (*compute_cache)(float *cache, const float *f, ptrdiff_t S, ptrdiff_t K,
+                          ptrdiff_t i, ptrdiff_t jj);
+} AudioNLMDNDSPContext;
+
+void ff_anlmdn_init(AudioNLMDNDSPContext *s);
+void ff_anlmdn_init_x86(AudioNLMDNDSPContext *s);
+
+#endif /* AVFILTER_ANLMDNDSP_H */