1 /* ------------------------------------------------------------------
2 * Copyright (C) 1998-2009 PacketVideo
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
14 * See the License for the specific language governing permissions
15 * and limitations under the License.
16 * -------------------------------------------------------------------
18 /****************************************************************************************
19 Portions of this file are derived from the following 3GPP standard:
22 ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec
23 Available from http://www.3gpp.org
25 (C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC)
26 Permission to distribute, modify and use this file under the standard license
27 terms listed above has been obtained from the copyright holder.
28 ****************************************************************************************/
30 ------------------------------------------------------------------------------
36 ------------------------------------------------------------------------------
40 Purpose : Encoding of one speech frame
42 ------------------------------------------------------------------------------
46 #define sp_enc_h "$Id $"
48 /*----------------------------------------------------------------------------
50 ----------------------------------------------------------------------------*/
57 /*--------------------------------------------------------------------------*/
63 /*----------------------------------------------------------------------------
65 ; [Define module specific macros here]
66 ----------------------------------------------------------------------------*/
68 /*----------------------------------------------------------------------------
70 ; [Include all pre-processor statements here.]
71 ----------------------------------------------------------------------------*/
74 /*----------------------------------------------------------------------------
75 ; EXTERNAL VARIABLES REFERENCES
76 ; [Declare variables used in this module but defined elsewhere]
77 ----------------------------------------------------------------------------*/
79 /*----------------------------------------------------------------------------
81 ----------------------------------------------------------------------------*/
83 /*----------------------------------------------------------------------------
84 ; ENUMERATED TYPEDEF'S
85 ----------------------------------------------------------------------------*/
87 /*----------------------------------------------------------------------------
88 ; STRUCTURES TYPEDEF'S
89 ----------------------------------------------------------------------------*/
92 Pre_ProcessState *pre_state;
93 cod_amrState *cod_amr_state;
95 } Speech_Encode_FrameState;
97 /*----------------------------------------------------------------------------
98 ; GLOBAL FUNCTION DEFINITIONS
99 ; [List function prototypes here]
100 ----------------------------------------------------------------------------*/
101 /* initialize one instance of the speech encoder
102 Stores pointer to filter status struct in *st. This pointer has to
103 be passed to Speech_Encode_Frame in each call.
104 returns 0 on success */
105 Word16 GSMInitEncode(void **state_data,
110 /* reset speech encoder (i.e. set state memory to zero)
111 returns 0 on success */
112 Word16 Speech_Encode_Frame_reset(void *state_data);
114 /* de-initialize speech encoder (i.e. free status struct)
116 void GSMEncodeFrameExit(void **state_data);
118 void Speech_Encode_Frame_First(
119 Speech_Encode_FrameState *st, /* i/o : post filter states */
120 Word16 *new_speech); /* i : speech input */
123 void *state_data, /* i/o : encoder states */
124 enum Mode mode, /* i : speech coder mode */
125 Word16 *new_speech, /* i : input speech */
126 Word16 *serial, /* o : serial bit stream */
127 enum Mode *usedMode /* o : used speech coder mode */
134 #endif /* _sp_enc_h_ */