1 files changed, 144 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/amrnb/common/src/q_plsf.cpp b/media/libstagefright/codecs/amrnb/common/src/q_plsf.cpp
new file mode 100644
index 0000000..5d96baa
--- /dev/null
+++ b/media/libstagefright/codecs/amrnb/common/src/q_plsf.cpp
@@ -0,0 +1,144 @@
+/* ------------------------------------------------------------------
+ * 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.
+****************************************************************************************/
+/*
+********************************************************************************
+*
+*      GSM AMR-NB speech codec   R98   Version 7.5.0   March 2, 2001
+*                                R99   Version 3.2.0
+*                                REL-4 Version 4.0.0
+*
+********************************************************************************
+*
+*      File             : q_plsf.c
+*      Purpose          : common part (init, exit, reset) of LSF quantization
+*                         module (rest in q_plsf_3.c and q_plsf_5.c)
+*
+********************************************************************************
+*/
+
+/*
+********************************************************************************
+*                         MODULE INCLUDE FILE AND VERSION ID
+********************************************************************************
+*/
+
+#include <stdlib.h>
+
+#include "q_plsf.h"
+
+/*
+********************************************************************************
+*                         INCLUDE FILES
+********************************************************************************
+*/
+#include "typedef.h"
+#include "basic_op.h"
+
+
+/*
+********************************************************************************
+*                         PUBLIC PROGRAM CODE
+********************************************************************************
+*/
+
+/*
+**************************************************************************
+*
+*  Function    : Q_plsf_init
+*  Purpose     : Allocates memory and initializes state variables
+*
+**************************************************************************
+*/
+Word16 Q_plsf_init(Q_plsfState **state)
+{
+    Q_plsfState* s;
+
+    if (state == (Q_plsfState **) NULL)
+    {
+        /* fprintf(stderr, "Q_plsf_init: invalid parameter\n"); */
+        return -1;
+    }
+    *state = NULL;
+
+    /* allocate memory */
+    if ((s = (Q_plsfState *) malloc(sizeof(Q_plsfState))) == NULL)
+    {
+        /* fprintf(stderr, "Q_plsf_init: can not malloc state structure\n"); */
+        return -1;
+    }
+
+    Q_plsf_reset(s);
+    *state = s;
+
+    return 0;
+}
+
+/*
+**************************************************************************
+*
+*  Function    : Q_plsf_reset
+*  Purpose     : Resets state memory
+*
+**************************************************************************
+*/
+Word16 Q_plsf_reset(Q_plsfState *state)
+{
+    Word16 i;
+
+    if (state == (Q_plsfState *) NULL)
+    {
+        /* fprintf(stderr, "Q_plsf_reset: invalid parameter\n"); */
+        return -1;
+    }
+
+    for (i = 0; i < M; i++)
+        state->past_rq[i] = 0;
+
+    return 0;
+}
+
+/*
+**************************************************************************
+*
+*  Function    : Q_plsf_exit
+*  Purpose     : The memory used for state memory is freed
+*
+**************************************************************************
+*/
+void Q_plsf_exit(Q_plsfState **state)
+{
+    if (state == NULL || *state == NULL)
+        return;
+
+    /* deallocate memory */
+    free(*state);
+    *state = NULL;
+
+    return;
+}