Update to opus-HEAD-66611f1.

celt/pitch.h

 /* Copyright (c) 2007-2008 CSIRO
    Copyright (c) 2007-2009 Xiph.Org Foundation
    Written by Jean-Marc Valin */
 /**
    @file pitch.h
    @brief Pitch analysis
  */
 
 /*
    Redistribution and use in source and binary forms, with or without
@@ skipping 19 matching lines @@
    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
 #ifndef PITCH_H
 #define PITCH_H
 
 #include "modes.h"
 #include "cpu_support.h"
 
-#if defined(__SSE__) && !defined(FIXED_POINT)
+#if defined(__SSE__) && !defined(FIXED_POINT) \
+ || defined(OPUS_X86_MAY_HAVE_SSE4_1) || defined(OPUS_X86_MAY_HAVE_SSE2)
 #include "x86/pitch_sse.h"
 #endif
 
-#if defined(OPUS_ARM_ASM) && defined(FIXED_POINT)
+#if defined(MIPSr1_ASM)
+#include "mips/pitch_mipsr1.h"
+#endif
+
+#if ((defined(OPUS_ARM_ASM) && defined(FIXED_POINT)) \
+  || defined(OPUS_ARM_NEON_INTR))
 # include "arm/pitch_arm.h"
 #endif
 
 void pitch_downsample(celt_sig * OPUS_RESTRICT x[], opus_val16 * OPUS_RESTRICT x_lp,
       int len, int C, int arch);
 
 void pitch_search(const opus_val16 * OPUS_RESTRICT x_lp, opus_val16 * OPUS_RESTRICT y,
                   int len, int max_pitch, int *pitch, int arch);
 
 opus_val16 remove_doubling(opus_val16 *x, int maxperiod, int minperiod,
-      int N, int *T0, int prev_period, opus_val16 prev_gain);
+      int N, int *T0, int prev_period, opus_val16 prev_gain, int arch);
+
 
 /* OPT: This is the kernel you really want to optimize. It gets used a lot
    by the prefilter and by the PLC. */
-#ifndef OVERRIDE_XCORR_KERNEL
-static OPUS_INLINE void xcorr_kernel(const opus_val16 * x, const opus_val16 * y, opus_val32 sum[4], int len)
+static OPUS_INLINE void xcorr_kernel_c(const opus_val16 * x, const opus_val16 * y, opus_val32 sum[4], int len)
 {
    int j;
    opus_val16 y_0, y_1, y_2, y_3;
    celt_assert(len>=3);
    y_3=0; /* gcc doesn't realize that y_3 can't be used uninitialized */
    y_0=*y++;
    y_1=*y++;
    y_2=*y++;
    for (j=0;j<len-3;j+=4)
    {
@@ skipping 44 matching lines @@
    if (j<len)
    {
       opus_val16 tmp=*x++;
       y_1=*y++;
       sum[0] = MAC16_16(sum[0],tmp,y_2);
       sum[1] = MAC16_16(sum[1],tmp,y_3);
       sum[2] = MAC16_16(sum[2],tmp,y_0);
       sum[3] = MAC16_16(sum[3],tmp,y_1);
    }
 }
+
+#ifndef OVERRIDE_XCORR_KERNEL
+#define xcorr_kernel(x, y, sum, len, arch) \
+    ((void)(arch),xcorr_kernel_c(x, y, sum, len))
 #endif /* OVERRIDE_XCORR_KERNEL */
 
+
 #ifndef OVERRIDE_DUAL_INNER_PROD
 static OPUS_INLINE void dual_inner_prod(const opus_val16 *x, const opus_val16 *y01, const opus_val16 *y02,
       int N, opus_val32 *xy1, opus_val32 *xy2)
 {
    int i;
    opus_val32 xy01=0;
    opus_val32 xy02=0;
    for (i=0;i<N;i++)
    {
       xy01 = MAC16_16(xy01, x[i], y01[i]);
       xy02 = MAC16_16(xy02, x[i], y02[i]);
    }
    *xy1 = xy01;
    *xy2 = xy02;
 }
 #endif
 
+/*We make sure a C version is always available for cases where the overhead of
+  vectorization and passing around an arch flag aren't worth it.*/
+static OPUS_INLINE opus_val32 celt_inner_prod_c(const opus_val16 *x,
+      const opus_val16 *y, int N)
+{
+   int i;
+   opus_val32 xy=0;
+   for (i=0;i<N;i++)
+      xy = MAC16_16(xy, x[i], y[i]);
+   return xy;
+}
+
+#if !defined(OVERRIDE_CELT_INNER_PROD)
+# define celt_inner_prod(x, y, N, arch) \
+    ((void)(arch),celt_inner_prod_c(x, y, N))
+#endif
+
 #ifdef FIXED_POINT
 opus_val32
 #else
 void
 #endif
 celt_pitch_xcorr_c(const opus_val16 *_x, const opus_val16 *_y,
       opus_val32 *xcorr, int len, int max_pitch);
 
 #if !defined(OVERRIDE_PITCH_XCORR)
 /*Is run-time CPU detection enabled on this platform?*/
-# if defined(OPUS_HAVE_RTCD)
+# if defined(OPUS_HAVE_RTCD) && \
+  (defined(OPUS_ARM_ASM) || defined(OPUS_ARM_NEON_INTR))
 extern
 #  if defined(FIXED_POINT)
 opus_val32
 #  else
 void
 #  endif
 (*const CELT_PITCH_XCORR_IMPL[OPUS_ARCHMASK+1])(const opus_val16 *,
       const opus_val16 *, opus_val32 *, int, int);
 
+#  define OVERRIDE_PITCH_XCORR
 #  define celt_pitch_xcorr(_x, _y, xcorr, len, max_pitch, arch) \
   ((*CELT_PITCH_XCORR_IMPL[(arch)&OPUS_ARCHMASK])(_x, _y, \
         xcorr, len, max_pitch))
 # else
-#  define celt_pitch_xcorr(_x, _y, xcorr, len, max_pitch, arch) \
-  ((void)(arch),celt_pitch_xcorr_c(_x, _y, xcorr, len, max_pitch))
+
+#ifdef FIXED_POINT
+opus_val32
+#else
+void
+#endif
+celt_pitch_xcorr(const opus_val16 *_x, const opus_val16 *_y,
+      opus_val32 *xcorr, int len, int max_pitch, int arch);
+
 # endif
 #endif
 
 #endif