X-Git-Url: https://vcs.maemo.org/git/?a=blobdiff_plain;f=gst-plugins-base-subtitles0.10%2Fgst%2Faudioresample%2Fresample_sse.h;fp=gst-plugins-base-subtitles0.10%2Fgst%2Faudioresample%2Fresample_sse.h;h=64be8a161612b8eece653be898f6a2b628f01eb2;hb=57ba96e291a055f69dbfd4ae9f1ae2390e36986e;hp=0000000000000000000000000000000000000000;hpb=be2c98fb83895d10ac44af7b9a9c3e00ca54bf49;p=mafwsubrenderer

diff --git a/gst-plugins-base-subtitles0.10/gst/audioresample/resample_sse.h b/gst-plugins-base-subtitles0.10/gst/audioresample/resample_sse.h
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+++ b/gst-plugins-base-subtitles0.10/gst/audioresample/resample_sse.h
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+/* Copyright (C) 2007-2008 Jean-Marc Valin
+ * Copyright (C) 2008 Thorvald Natvig
+ */
+/**
+   @file resample_sse.h
+   @brief Resampler functions (SSE version)
+*/
+/*
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met:
+   
+   - Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+   
+   - Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+   
+   - Neither the name of the Xiph.org Foundation nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+   
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include <xmmintrin.h>
+
+#define OVERRIDE_INNER_PRODUCT_SINGLE
+static inline float inner_product_single(const float *a, const float *b, unsigned int len)
+{
+   int i;
+   float ret;
+   __m128 sum = _mm_setzero_ps();
+   for (i=0;i<len;i+=8)
+   {
+      sum = _mm_add_ps(sum, _mm_mul_ps(_mm_loadu_ps(a+i), _mm_loadu_ps(b+i)));
+      sum = _mm_add_ps(sum, _mm_mul_ps(_mm_loadu_ps(a+i+4), _mm_loadu_ps(b+i+4)));
+   }
+   sum = _mm_add_ps(sum, _mm_movehl_ps(sum, sum));
+   sum = _mm_add_ss(sum, _mm_shuffle_ps(sum, sum, 0x55));
+   _mm_store_ss(&ret, sum);
+   return ret;
+}
+
+#define OVERRIDE_INTERPOLATE_PRODUCT_SINGLE
+static inline float interpolate_product_single(const float *a, const float *b, unsigned int len, const spx_uint32_t oversample, float *frac) {
+  int i;
+  float ret;
+  __m128 sum = _mm_setzero_ps();
+  __m128 f = _mm_loadu_ps(frac);
+  for(i=0;i<len;i+=2)
+  {
+    sum = _mm_add_ps(sum, _mm_mul_ps(_mm_load1_ps(a+i), _mm_loadu_ps(b+i*oversample)));
+    sum = _mm_add_ps(sum, _mm_mul_ps(_mm_load1_ps(a+i+1), _mm_loadu_ps(b+(i+1)*oversample)));
+  }
+   sum = _mm_mul_ps(f, sum);
+   sum = _mm_add_ps(sum, _mm_movehl_ps(sum, sum));
+   sum = _mm_add_ss(sum, _mm_shuffle_ps(sum, sum, 0x55));
+   _mm_store_ss(&ret, sum);
+   return ret;
+}
+
+#ifdef _USE_SSE2
+#include <emmintrin.h>
+#define OVERRIDE_INNER_PRODUCT_DOUBLE
+
+static inline double inner_product_double(const float *a, const float *b, unsigned int len)
+{
+   int i;
+   double ret;
+   __m128d sum = _mm_setzero_pd();
+   __m128 t;
+   for (i=0;i<len;i+=8)
+   {
+      t = _mm_mul_ps(_mm_loadu_ps(a+i), _mm_loadu_ps(b+i));
+      sum = _mm_add_pd(sum, _mm_cvtps_pd(t));
+      sum = _mm_add_pd(sum, _mm_cvtps_pd(_mm_movehl_ps(t, t)));
+
+      t = _mm_mul_ps(_mm_loadu_ps(a+i+4), _mm_loadu_ps(b+i+4));
+      sum = _mm_add_pd(sum, _mm_cvtps_pd(t));
+      sum = _mm_add_pd(sum, _mm_cvtps_pd(_mm_movehl_ps(t, t)));
+   }
+   sum = _mm_add_sd(sum, _mm_unpackhi_pd(sum, sum));
+   _mm_store_sd(&ret, sum);
+   return ret;
+}
+
+#define OVERRIDE_INTERPOLATE_PRODUCT_DOUBLE
+static inline double interpolate_product_double(const float *a, const float *b, unsigned int len, const spx_uint32_t oversample, float *frac) {
+  int i;
+  double ret;
+  __m128d sum;
+  __m128d sum1 = _mm_setzero_pd();
+  __m128d sum2 = _mm_setzero_pd();
+  __m128 f = _mm_loadu_ps(frac);
+  __m128d f1 = _mm_cvtps_pd(f);
+  __m128d f2 = _mm_cvtps_pd(_mm_movehl_ps(f,f));
+  __m128 t;
+  for(i=0;i<len;i+=2)
+  {
+    t = _mm_mul_ps(_mm_load1_ps(a+i), _mm_loadu_ps(b+i*oversample));
+    sum1 = _mm_add_pd(sum1, _mm_cvtps_pd(t));
+    sum2 = _mm_add_pd(sum2, _mm_cvtps_pd(_mm_movehl_ps(t, t)));
+
+    t = _mm_mul_ps(_mm_load1_ps(a+i+1), _mm_loadu_ps(b+(i+1)*oversample));
+    sum1 = _mm_add_pd(sum1, _mm_cvtps_pd(t));
+    sum2 = _mm_add_pd(sum2, _mm_cvtps_pd(_mm_movehl_ps(t, t)));
+  }
+  sum1 = _mm_mul_pd(f1, sum1);
+  sum2 = _mm_mul_pd(f2, sum2);
+  sum = _mm_add_pd(sum1, sum2);
+  sum = _mm_add_sd(sum, _mm_unpackhi_pd(sum, sum));
+  _mm_store_sd(&ret, sum);
+  return ret;
+}
+
+#endif