1 files changed, 63 insertions, 0 deletions
diff --git a/libavfilter/x86/avf_showcqt_init.c b/libavfilter/x86/avf_showcqt_init.c
new file mode 100644
index 0000000000..0cc164c352
--- /dev/null
+++ b/libavfilter/x86/avf_showcqt_init.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2016 Muhammad Faiz <mfcc64@gmail.com>
+ *
+ * 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/avf_showcqt.h"
+
+#define DECLARE_CQT_CALC(type) \
+void ff_showcqt_cqt_calc_##type(FFTComplex *dst, const FFTComplex *src, \
+                                const Coeffs *coeffs, int len, int fft_len)
+
+DECLARE_CQT_CALC(sse);
+DECLARE_CQT_CALC(sse3);
+DECLARE_CQT_CALC(avx);
+DECLARE_CQT_CALC(fma3);
+DECLARE_CQT_CALC(fma4);
+
+#define permute_coeffs_0 NULL
+
+static void permute_coeffs_01452367(float *v, int len)
+{
+    int k;
+    for (k = 0; k < len; k += 8) {
+        FFSWAP(float, v[k+2], v[k+4]);
+        FFSWAP(float, v[k+3], v[k+5]);
+    }
+}
+
+av_cold void ff_showcqt_init_x86(ShowCQTContext *s)
+{
+    int cpuflags = av_get_cpu_flags();
+
+#define SELECT_CQT_CALC(type, TYPE, align, perm) \
+if (EXTERNAL_##TYPE(cpuflags)) { \
+    s->cqt_calc = ff_showcqt_cqt_calc_##type; \
+    s->cqt_align = align; \
+    s->permute_coeffs = permute_coeffs_##perm; \
+}
+
+    SELECT_CQT_CALC(sse,  SSE,  4, 0);
+    SELECT_CQT_CALC(sse3, SSE3_FAST, 4, 0);
+    SELECT_CQT_CALC(fma4, FMA4, 4, 0); // using xmm
+    SELECT_CQT_CALC(avx,  AVX_FAST,  8, 01452367);
+    SELECT_CQT_CALC(fma3, FMA3_FAST, 8, 01452367);
+}