ogg/vorbis/opus: Make them modules and unbundle thirdparty libs

Took the opportunity to undo the Godot changed made to the
opus source. The opus module should eventually be built in its
own environment to avoid polluting others with too many include
dirs and defines.

TODO: Fix the platform/ stuff for opus.

1 files changed, 161 insertions, 0 deletions

diff --git a/thirdparty/opus/celt/mips/pitch_mipsr1.h b/thirdparty/opus/celt/mips/pitch_mipsr1.h
new file mode 100644
index 0000000000..a9500aff58
--- /dev/null
+++ b/thirdparty/opus/celt/mips/pitch_mipsr1.h
@@ -0,0 +1,161 @@
+/* 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
+   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.
+
+   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 COPYRIGHT OWNER
+   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.
+*/
+
+#ifndef PITCH_MIPSR1_H
+#define PITCH_MIPSR1_H
+
+#define OVERRIDE_DUAL_INNER_PROD
+static 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 arch)
+{
+   int j;
+   opus_val32 xy01=0;
+   opus_val32 xy02=0;
+
+   (void)arch;
+
+   asm volatile("MULT $ac1, $0, $0");
+   asm volatile("MULT $ac2, $0, $0");
+   /* Compute the norm of X+Y and X-Y as |X|^2 + |Y|^2 +/- sum(xy) */
+   for (j=0;j<N;j++)
+   {
+      asm volatile("MADD $ac1, %0, %1" : : "r" ((int)x[j]), "r" ((int)y01[j]));
+      asm volatile("MADD $ac2, %0, %1" : : "r" ((int)x[j]), "r" ((int)y02[j]));
+      ++j;
+      asm volatile("MADD $ac1, %0, %1" : : "r" ((int)x[j]), "r" ((int)y01[j]));
+      asm volatile("MADD $ac2, %0, %1" : : "r" ((int)x[j]), "r" ((int)y02[j]));
+   }
+   asm volatile ("mflo %0, $ac1": "=r"(xy01));
+   asm volatile ("mflo %0, $ac2": "=r"(xy02));
+   *xy1 = xy01;
+   *xy2 = xy02;
+}
+
+static inline void xcorr_kernel_mips(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;
+
+    opus_int64 sum_0, sum_1, sum_2, sum_3;
+    sum_0 =  (opus_int64)sum[0];
+    sum_1 =  (opus_int64)sum[1];
+    sum_2 =  (opus_int64)sum[2];
+    sum_3 =  (opus_int64)sum[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)
+    {
+        opus_val16 tmp;
+        tmp = *x++;
+        y_3=*y++;
+
+        sum_0 = __builtin_mips_madd( sum_0, tmp, y_0);
+        sum_1 = __builtin_mips_madd( sum_1, tmp, y_1);
+        sum_2 = __builtin_mips_madd( sum_2, tmp, y_2);
+        sum_3 = __builtin_mips_madd( sum_3, tmp, y_3);
+
+        tmp=*x++;
+        y_0=*y++;
+
+        sum_0 = __builtin_mips_madd( sum_0, tmp, y_1 );
+        sum_1 = __builtin_mips_madd( sum_1, tmp, y_2 );
+        sum_2 = __builtin_mips_madd( sum_2, tmp, y_3);
+        sum_3 = __builtin_mips_madd( sum_3, tmp, y_0);
+
+       tmp=*x++;
+       y_1=*y++;
+
+       sum_0 = __builtin_mips_madd( sum_0, tmp, y_2 );
+       sum_1 = __builtin_mips_madd( sum_1, tmp, y_3 );
+       sum_2 = __builtin_mips_madd( sum_2, tmp, y_0);
+       sum_3 = __builtin_mips_madd( sum_3, tmp, y_1);
+
+
+      tmp=*x++;
+      y_2=*y++;
+
+       sum_0 = __builtin_mips_madd( sum_0, tmp, y_3 );
+       sum_1 = __builtin_mips_madd( sum_1, tmp, y_0 );
+       sum_2 = __builtin_mips_madd( sum_2, tmp, y_1);
+       sum_3 = __builtin_mips_madd( sum_3, tmp, y_2);
+
+   }
+   if (j++<len)
+   {
+      opus_val16 tmp = *x++;
+      y_3=*y++;
+
+       sum_0 = __builtin_mips_madd( sum_0, tmp, y_0 );
+       sum_1 = __builtin_mips_madd( sum_1, tmp, y_1 );
+       sum_2 = __builtin_mips_madd( sum_2, tmp, y_2);
+       sum_3 = __builtin_mips_madd( sum_3, tmp, y_3);
+   }
+
+   if (j++<len)
+   {
+      opus_val16 tmp=*x++;
+      y_0=*y++;
+
+      sum_0 = __builtin_mips_madd( sum_0, tmp, y_1 );
+      sum_1 = __builtin_mips_madd( sum_1, tmp, y_2 );
+      sum_2 = __builtin_mips_madd( sum_2, tmp, y_3);
+      sum_3 = __builtin_mips_madd( sum_3, tmp, y_0);
+   }
+
+   if (j<len)
+   {
+      opus_val16 tmp=*x++;
+      y_1=*y++;
+
+       sum_0 = __builtin_mips_madd( sum_0, tmp, y_2 );
+       sum_1 = __builtin_mips_madd( sum_1, tmp, y_3 );
+       sum_2 = __builtin_mips_madd( sum_2, tmp, y_0);
+       sum_3 = __builtin_mips_madd( sum_3, tmp, y_1);
+
+   }
+
+   sum[0] = (opus_val32)sum_0;
+   sum[1] = (opus_val32)sum_1;
+   sum[2] = (opus_val32)sum_2;
+   sum[3] = (opus_val32)sum_3;
+}
+
+#define OVERRIDE_XCORR_KERNEL
+#define xcorr_kernel(x, y, sum, len, arch) \
+    ((void)(arch), xcorr_kernel_mips(x, y, sum, len))
+
+#endif /* PITCH_MIPSR1_H */