Add support for Opus audio format

1 files changed, 213 insertions, 0 deletions

diff --git a/drivers/opus/silk/arm/macros_armv5e.h b/drivers/opus/silk/arm/macros_armv5e.h
new file mode 100644
index 0000000000..aad4117e46
--- /dev/null
+++ b/drivers/opus/silk/arm/macros_armv5e.h
@@ -0,0 +1,213 @@
+/***********************************************************************
+Copyright (c) 2006-2011, Skype Limited. All rights reserved.
+Copyright (c) 2013       Parrot
+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 Internet Society, IETF or IETF Trust, nor the
+names of specific 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 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 SILK_MACROS_ARMv5E_H
+#define SILK_MACROS_ARMv5E_H
+
+/* (a32 * (opus_int32)((opus_int16)(b32))) >> 16 output have to be 32bit int */
+#undef silk_SMULWB
+static OPUS_INLINE opus_int32 silk_SMULWB_armv5e(opus_int32 a, opus_int16 b)
+{
+  int res;
+  __asm__(
+      "#silk_SMULWB\n\t"
+      "smulwb %0, %1, %2\n\t"
+      : "=r"(res)
+      : "r"(a), "r"(b)
+  );
+  return res;
+}
+#define silk_SMULWB(a, b) (silk_SMULWB_armv5e(a, b))
+
+/* a32 + (b32 * (opus_int32)((opus_int16)(c32))) >> 16 output have to be 32bit int */
+#undef silk_SMLAWB
+static OPUS_INLINE opus_int32 silk_SMLAWB_armv5e(opus_int32 a, opus_int32 b,
+ opus_int16 c)
+{
+  int res;
+  __asm__(
+      "#silk_SMLAWB\n\t"
+      "smlawb %0, %1, %2, %3\n\t"
+      : "=r"(res)
+      : "r"(b), "r"(c), "r"(a)
+  );
+  return res;
+}
+#define silk_SMLAWB(a, b, c) (silk_SMLAWB_armv5e(a, b, c))
+
+/* (a32 * (b32 >> 16)) >> 16 */
+#undef silk_SMULWT
+static OPUS_INLINE opus_int32 silk_SMULWT_armv5e(opus_int32 a, opus_int32 b)
+{
+  int res;
+  __asm__(
+      "#silk_SMULWT\n\t"
+      "smulwt %0, %1, %2\n\t"
+      : "=r"(res)
+      : "r"(a), "r"(b)
+  );
+  return res;
+}
+#define silk_SMULWT(a, b) (silk_SMULWT_armv5e(a, b))
+
+/* a32 + (b32 * (c32 >> 16)) >> 16 */
+#undef silk_SMLAWT
+static OPUS_INLINE opus_int32 silk_SMLAWT_armv5e(opus_int32 a, opus_int32 b,
+ opus_int32 c)
+{
+  int res;
+  __asm__(
+      "#silk_SMLAWT\n\t"
+      "smlawt %0, %1, %2, %3\n\t"
+      : "=r"(res)
+      : "r"(b), "r"(c), "r"(a)
+  );
+  return res;
+}
+#define silk_SMLAWT(a, b, c) (silk_SMLAWT_armv5e(a, b, c))
+
+/* (opus_int32)((opus_int16)(a3))) * (opus_int32)((opus_int16)(b32)) output have to be 32bit int */
+#undef silk_SMULBB
+static OPUS_INLINE opus_int32 silk_SMULBB_armv5e(opus_int32 a, opus_int32 b)
+{
+  int res;
+  __asm__(
+      "#silk_SMULBB\n\t"
+      "smulbb %0, %1, %2\n\t"
+      : "=r"(res)
+      : "%r"(a), "r"(b)
+  );
+  return res;
+}
+#define silk_SMULBB(a, b) (silk_SMULBB_armv5e(a, b))
+
+/* a32 + (opus_int32)((opus_int16)(b32)) * (opus_int32)((opus_int16)(c32)) output have to be 32bit int */
+#undef silk_SMLABB
+static OPUS_INLINE opus_int32 silk_SMLABB_armv5e(opus_int32 a, opus_int32 b,
+ opus_int32 c)
+{
+  int res;
+  __asm__(
+      "#silk_SMLABB\n\t"
+      "smlabb %0, %1, %2, %3\n\t"
+      : "=r"(res)
+      : "%r"(b), "r"(c), "r"(a)
+  );
+  return res;
+}
+#define silk_SMLABB(a, b, c) (silk_SMLABB_armv5e(a, b, c))
+
+/* (opus_int32)((opus_int16)(a32)) * (b32 >> 16) */
+#undef silk_SMULBT
+static OPUS_INLINE opus_int32 silk_SMULBT_armv5e(opus_int32 a, opus_int32 b)
+{
+  int res;
+  __asm__(
+      "#silk_SMULBT\n\t"
+      "smulbt %0, %1, %2\n\t"
+      : "=r"(res)
+      : "r"(a), "r"(b)
+  );
+  return res;
+}
+#define silk_SMULBT(a, b) (silk_SMULBT_armv5e(a, b))
+
+/* a32 + (opus_int32)((opus_int16)(b32)) * (c32 >> 16) */
+#undef silk_SMLABT
+static OPUS_INLINE opus_int32 silk_SMLABT_armv5e(opus_int32 a, opus_int32 b,
+ opus_int32 c)
+{
+  int res;
+  __asm__(
+      "#silk_SMLABT\n\t"
+      "smlabt %0, %1, %2, %3\n\t"
+      : "=r"(res)
+      : "r"(b), "r"(c), "r"(a)
+  );
+  return res;
+}
+#define silk_SMLABT(a, b, c) (silk_SMLABT_armv5e(a, b, c))
+
+/* add/subtract with output saturated */
+#undef silk_ADD_SAT32
+static OPUS_INLINE opus_int32 silk_ADD_SAT32_armv5e(opus_int32 a, opus_int32 b)
+{
+  int res;
+  __asm__(
+      "#silk_ADD_SAT32\n\t"
+      "qadd %0, %1, %2\n\t"
+      : "=r"(res)
+      : "%r"(a), "r"(b)
+  );
+  return res;
+}
+#define silk_ADD_SAT32(a, b) (silk_ADD_SAT32_armv5e(a, b))
+
+#undef silk_SUB_SAT32
+static OPUS_INLINE opus_int32 silk_SUB_SAT32_armv5e(opus_int32 a, opus_int32 b)
+{
+  int res;
+  __asm__(
+      "#silk_SUB_SAT32\n\t"
+      "qsub %0, %1, %2\n\t"
+      : "=r"(res)
+      : "r"(a), "r"(b)
+  );
+  return res;
+}
+#define silk_SUB_SAT32(a, b) (silk_SUB_SAT32_armv5e(a, b))
+
+#undef silk_CLZ16
+static OPUS_INLINE opus_int32 silk_CLZ16_armv5(opus_int16 in16)
+{
+  int res;
+  __asm__(
+      "#silk_CLZ16\n\t"
+      "clz %0, %1;\n"
+      : "=r"(res)
+      : "r"(in16<<16|0x8000)
+  );
+  return res;
+}
+#define silk_CLZ16(in16) (silk_CLZ16_armv5(in16))
+
+#undef silk_CLZ32
+static OPUS_INLINE opus_int32 silk_CLZ32_armv5(opus_int32 in32)
+{
+  int res;
+  __asm__(
+      "#silk_CLZ32\n\t"
+      "clz %0, %1\n\t"
+      : "=r"(res)
+      : "r"(in32)
+  );
+  return res;
+}
+#define silk_CLZ32(in32) (silk_CLZ32_armv5(in32))
+
+#endif /* SILK_MACROS_ARMv5E_H */