avfilter/vf_threshold: add x86 SIMD

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

1 files changed, 41 insertions, 0 deletions

diff --git a/libavfilter/x86/vf_threshold_init.c b/libavfilter/x86/vf_threshold_init.c
new file mode 100644
index 0000000000..e2bbae11d5
--- /dev/null
+++ b/libavfilter/x86/vf_threshold_init.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2015 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
+ */
+
+#include "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/x86/cpu.h"
+#include "libavfilter/threshold.h"
+
+void ff_threshold8_sse4(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);
+
+av_cold void ff_threshold_init_x86(ThresholdContext *s)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (ARCH_X86_64 && EXTERNAL_SSE4(cpu_flags) && s->depth == 8) {
+        s->threshold = ff_threshold8_sse4;
+    }
+}