lavfi/nlmeans: add AArch64 SIMD for compute_safe_ssd_integral_image

ssd_integral_image_c: 49204.6
ssd_integral_image_neon: 28346.8

1 files changed, 35 insertions, 0 deletions

diff --git a/libavfilter/vf_nlmeans.h b/libavfilter/vf_nlmeans.h
new file mode 100644
index 0000000000..0a9aab2928
--- /dev/null
+++ b/libavfilter/vf_nlmeans.h
@@ -0,0 +1,35 @@
+/*
+ * 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_NLMEANS_H
+#define AVFILTER_NLMEANS_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+typedef struct NLMeansDSPContext {
+    void (*compute_safe_ssd_integral_image)(uint32_t *dst, ptrdiff_t dst_linesize_32,
+                                            const uint8_t *s1, ptrdiff_t linesize1,
+                                            const uint8_t *s2, ptrdiff_t linesize2,
+                                            int w, int h);
+} NLMeansDSPContext;
+
+void ff_nlmeans_init(NLMeansDSPContext *dsp);
+void ff_nlmeans_init_aarch64(NLMeansDSPContext *dsp);
+
+#endif /* AVFILTER_NLMEANS_H */