Initial check in of AMR (NB and WB) decoders based on PV source code.

1 files changed, 113 insertions, 0 deletions

diff --git a/media/libstagefright/codecs/amrnb/common/src/lsp_lsf_tbl.cpp b/media/libstagefright/codecs/amrnb/common/src/lsp_lsf_tbl.cpp
new file mode 100644
index 0000000..cee0f32
--- /dev/null
+++ b/media/libstagefright/codecs/amrnb/common/src/lsp_lsf_tbl.cpp
@@ -0,0 +1,113 @@
+/* ------------------------------------------------------------------
+ * Copyright (C) 1998-2009 PacketVideo
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ * express or implied.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ * -------------------------------------------------------------------
+ */
+/****************************************************************************************
+Portions of this file are derived from the following 3GPP standard:
+
+    3GPP TS 26.073
+    ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec
+    Available from http://www.3gpp.org
+
+(C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC)
+Permission to distribute, modify and use this file under the standard license
+terms listed above has been obtained from the copyright holder.
+****************************************************************************************/
+/*
+ Filename: /audio/gsm_amr/c/src/lsp_lsf_tbl.c
+
+------------------------------------------------------------------------------
+ REVISION HISTORY
+
+ Description: Created this file from the reference, lsp_lsf.tab
+
+ Description: Added #ifdef __cplusplus and removed "extern" from table
+              definition.
+
+ Description: Put "extern" back.
+
+------------------------------------------------------------------------------
+ MODULE DESCRIPTION
+
+------------------------------------------------------------------------------
+*/
+
+/*----------------------------------------------------------------------------
+; INCLUDES
+----------------------------------------------------------------------------*/
+#include "typedef.h"
+
+/*--------------------------------------------------------------------------*/
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+    /*----------------------------------------------------------------------------
+    ; MACROS
+    ; [Define module specific macros here]
+    ----------------------------------------------------------------------------*/
+
+    /*----------------------------------------------------------------------------
+    ; DEFINES
+    ; [Include all pre-processor statements here. Include conditional
+    ; compile variables also.]
+    ----------------------------------------------------------------------------*/
+
+    /*----------------------------------------------------------------------------
+    ; LOCAL FUNCTION DEFINITIONS
+    ; [List function prototypes here]
+    ----------------------------------------------------------------------------*/
+
+    /*----------------------------------------------------------------------------
+    ; LOCAL VARIABLE DEFINITIONS
+    ; [Variable declaration - defined here and used outside this module]
+    ----------------------------------------------------------------------------*/
+
+    extern const Word16 table[65] =
+    {
+        32767, 32729, 32610, 32413, 32138, 31786, 31357, 30853,
+        30274, 29622, 28899, 28106, 27246, 26320, 25330, 24279,
+        23170, 22006, 20788, 19520, 18205, 16846, 15447, 14010,
+        12540, 11039, 9512, 7962, 6393, 4808, 3212, 1608,
+        0, -1608, -3212, -4808, -6393, -7962, -9512, -11039,
+        -12540, -14010, -15447, -16846, -18205, -19520, -20788, -22006,
+        -23170, -24279, -25330, -26320, -27246, -28106, -28899, -29622,
+        -30274, -30853, -31357, -31786, -32138, -32413, -32610, -32729,
+        (Word16) 0x8000
+    };
+
+    /* 0x8000 = -32768 (used to silence the compiler) */
+
+    /* slope used to compute y = acos(x) */
+
+    extern const Word16 slope[64] =
+    {
+        -26887, -8812, -5323, -3813, -2979, -2444, -2081, -1811,
+        -1608, -1450, -1322, -1219, -1132, -1059, -998, -946,
+        -901, -861, -827, -797, -772, -750, -730, -713,
+        -699, -687, -677, -668, -662, -657, -654, -652,
+        -652, -654, -657, -662, -668, -677, -687, -699,
+        -713, -730, -750, -772, -797, -827, -861, -901,
+        -946, -998, -1059, -1132, -1219, -1322, -1450, -1608,
+        -1811, -2081, -2444, -2979, -3813, -5323, -8812, -26887
+    };
+
+    /*--------------------------------------------------------------------------*/
+#ifdef __cplusplus
+}
+#endif
+