1 files changed, 90 insertions, 0 deletions
diff --git a/libswresample/x86/resample_init.c b/libswresample/x86/resample_init.c
new file mode 100644
index 0000000000..93001d65cb
--- /dev/null
+++ b/libswresample/x86/resample_init.c
@@ -0,0 +1,90 @@
+/*
+ * audio resampling
+ * Copyright (c) 2004-2012 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * 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
+ * audio resampling
+ * @author Michael Niedermayer <michaelni@gmx.at>
+ */
+
+#include "libavutil/x86/cpu.h"
+#include "libswresample/resample.h"
+
+#define RESAMPLE_FUNCS(type, opt) \
+int ff_resample_common_##type##_##opt(ResampleContext *c, void *dst, \
+                                      const void *src, int sz, int upd); \
+int ff_resample_linear_##type##_##opt(ResampleContext *c, void *dst, \
+                                      const void *src, int sz, int upd)
+
+RESAMPLE_FUNCS(int16,  mmxext);
+RESAMPLE_FUNCS(int16,  sse2);
+RESAMPLE_FUNCS(int16,  xop);
+RESAMPLE_FUNCS(float,  sse);
+RESAMPLE_FUNCS(float,  avx);
+RESAMPLE_FUNCS(float,  fma3);
+RESAMPLE_FUNCS(float,  fma4);
+RESAMPLE_FUNCS(double, sse2);
+
+av_cold void swri_resample_dsp_x86_init(ResampleContext *c)
+{
+    int av_unused mm_flags = av_get_cpu_flags();
+
+    switch(c->format){
+    case AV_SAMPLE_FMT_S16P:
+        if (ARCH_X86_32 && EXTERNAL_MMXEXT(mm_flags)) {
+            c->dsp.resample = c->linear ? ff_resample_linear_int16_mmxext
+                                        : ff_resample_common_int16_mmxext;
+        }
+        if (EXTERNAL_SSE2(mm_flags)) {
+            c->dsp.resample = c->linear ? ff_resample_linear_int16_sse2
+                                        : ff_resample_common_int16_sse2;
+        }
+        if (EXTERNAL_XOP(mm_flags)) {
+            c->dsp.resample = c->linear ? ff_resample_linear_int16_xop
+                                        : ff_resample_common_int16_xop;
+        }
+        break;
+    case AV_SAMPLE_FMT_FLTP:
+        if (EXTERNAL_SSE(mm_flags)) {
+            c->dsp.resample = c->linear ? ff_resample_linear_float_sse
+                                        : ff_resample_common_float_sse;
+        }
+        if (EXTERNAL_AVX(mm_flags)) {
+            c->dsp.resample = c->linear ? ff_resample_linear_float_avx
+                                        : ff_resample_common_float_avx;
+        }
+        if (EXTERNAL_FMA3(mm_flags)) {
+            c->dsp.resample = c->linear ? ff_resample_linear_float_fma3
+                                        : ff_resample_common_float_fma3;
+        }
+        if (EXTERNAL_FMA4(mm_flags)) {
+            c->dsp.resample = c->linear ? ff_resample_linear_float_fma4
+                                        : ff_resample_common_float_fma4;
+        }
+        break;
+    case AV_SAMPLE_FMT_DBLP:
+        if (EXTERNAL_SSE2(mm_flags)) {
+            c->dsp.resample = c->linear ? ff_resample_linear_double_sse2
+                                        : ff_resample_common_double_sse2;
+        }
+        break;
+    }
+}