avfilter/vf_framerate: factorize SAD functions which compute SAD for a whole frame

Also add SIMD which works on lines because it is faster then calculating it on
8x8 blocks using pixelutils.

Signed-off-by: Marton Balint <cus@passwd.hu>

1 files changed, 44 insertions, 0 deletions

diff --git a/libavfilter/scene_sad.h b/libavfilter/scene_sad.h
new file mode 100644
index 0000000000..433c69473d
--- /dev/null
+++ b/libavfilter/scene_sad.h
@@ -0,0 +1,44 @@
+/*
+ * 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
+ */
+
+/**
+ * @file
+ * Scene SAD funtions
+ */
+
+#ifndef AVFILTER_SCENE_SAD_H
+#define AVFILTER_SCENE_SAD_H
+
+#include "avfilter.h"
+
+#define SCENE_SAD_PARAMS const uint8_t *src1, ptrdiff_t stride1, \
+                         const uint8_t *src2, ptrdiff_t stride2, \
+                         ptrdiff_t width, ptrdiff_t height, \
+                         uint64_t *sum
+
+typedef void (*ff_scene_sad_fn)(SCENE_SAD_PARAMS);
+
+void ff_scene_sad_c(SCENE_SAD_PARAMS);
+
+void ff_scene_sad16_c(SCENE_SAD_PARAMS);
+
+ff_scene_sad_fn ff_scene_sad_get_fn_x86(int depth);
+
+ff_scene_sad_fn ff_scene_sad_get_fn(int depth);
+
+#endif /* AVFILTER_SCENE_SAD_H */