Added Speex for narrowband, wideband, and ultra-wideband!!

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@278 74dad513-b988-da41-8d7b-12977e46ad98

1 files changed, 148 insertions, 0 deletions

diff --git a/pjmedia/src/pjmedia-codec/speex/fixed_bfin.h b/pjmedia/src/pjmedia-codec/speex/fixed_bfin.h
new file mode 100644
index 00000000..adee43cb
--- /dev/null
+++ b/pjmedia/src/pjmedia-codec/speex/fixed_bfin.h
@@ -0,0 +1,148 @@
+/* Copyright (C) 2005 Analog Devices
+   Author: Jean-Marc Valin */
+/**
+   @file fixed_bfin.h
+   @brief Blackfin fixed-point operations
+*/
+/*
+   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.
+*/
+
+#ifndef FIXED_BFIN_H
+#define FIXED_BFIN_H
+
+#undef DIV32_16
+static inline spx_word16_t DIV32_16(spx_word32_t a, spx_word16_t b)
+{
+   spx_word32_t res, bb;
+   bb = b;
+   __asm__  (
+         "P0 = 15;\n\t"
+         "R0 = %1;\n\t"
+         "R1 = %2;\n\t"
+         "R0 <<= 1;\n\t"
+         "DIVS (R0, R1);\n\t"
+         "LOOP divide%= LC0 = P0;\n\t"
+         "LOOP_BEGIN divide%=;\n\t"
+            "DIVQ (R0, R1);\n\t"
+         "LOOP_END divide%=;\n\t"
+         "R0 = R0.L;\n\t"
+         "%0 = R0;\n\t"
+   : "=m" (res)
+   : "m" (a), "m" (bb)
+   : "P0", "R0", "R1", "cc");
+   return res;
+}
+
+#undef MAX16
+static inline spx_word16_t MAX16(spx_word16_t a, spx_word16_t b)
+{
+   spx_word32_t res;
+   __asm__  (
+         "%1 = %1.L (X);\n\t"
+         "%2 = %2.L (X);\n\t"
+         "%0 = MAX(%1,%2);"
+   : "=d" (res)
+   : "%d" (a), "d" (b)
+   );
+   return res;
+}
+
+#undef MULT16_32_Q15
+static inline spx_word32_t MULT16_32_Q15(spx_word16_t a, spx_word32_t b)
+{
+   spx_word32_t res;
+   __asm__
+   (
+         "%1 <<= 1;\n\t"
+         "A1 = %2.L*%1.L (M,IS);\n\t"
+         "A1 = A1 >>> 16;\n\t"
+         "R1 = (A1 += %2.L*%1.H) (IS);\n\t"
+         "%0 = R1;\n\t"
+   : "=&d" (res), "=&d" (b)
+   : "d" (a), "1" (b)
+   : "A1", "R1"
+   );
+   return res;
+}
+
+#undef MAC16_32_Q15
+static inline spx_word32_t MAC16_32_Q15(spx_word32_t c, spx_word16_t a, spx_word32_t b)
+{
+   spx_word32_t res;
+   __asm__
+         (
+         "%1 <<= 1;\n\t"
+         "A1 = %2.L*%1.L (M,IS);\n\t"
+         "A1 = A1 >>> 16;\n\t"
+         "R1 = (A1 += %2.L*%1.H) (IS);\n\t"
+         "%0 = R1 + %4;\n\t"
+   : "=&d" (res), "=&d" (b)
+   : "d" (a), "1" (b), "d" (c)
+   : "A1", "R1"
+         );
+   return res;
+}
+
+#undef MULT16_32_Q14
+static inline spx_word32_t MULT16_32_Q14(spx_word16_t a, spx_word32_t b)
+{
+   spx_word32_t res;
+   __asm__
+         (
+         "%2 <<= 2;\n\t"
+         "A1 = %1.L*%2.L (M,IS);\n\t"
+         "A1 = A1 >>> 16;\n\t"
+         "R1 = (A1 += %1.L*%2.H) (IS);\n\t"
+         "%0 = R1;\n\t"
+   : "=d" (res), "=d" (a), "=d" (b)
+   : "1" (a), "2" (b)
+   : "A1", "R1"
+         );
+   return res;
+}
+
+#undef MAC16_32_Q14
+static inline spx_word32_t MAC16_32_Q14(spx_word32_t c, spx_word16_t a, spx_word32_t b)
+{
+   spx_word32_t res;
+   __asm__
+         (
+         "%1 <<= 2;\n\t"
+         "A1 = %2.L*%1.L (M,IS);\n\t"
+         "A1 = A1 >>> 16;\n\t"
+         "R1 = (A1 += %2.L*%1.H) (IS);\n\t"
+         "%0 = R1 + %4;\n\t"
+   : "=&d" (res), "=&d" (b)
+   : "d" (a), "1" (b), "d" (c)
+   : "A1", "R1"
+         );
+   return res;
+}
+
+#endif