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Diffstat (limited to 'opencore/codecs_v2/audio/gsm_amr/amr_nb/common/src/bytesused.cpp')
-rw-r--r-- | opencore/codecs_v2/audio/gsm_amr/amr_nb/common/src/bytesused.cpp | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/opencore/codecs_v2/audio/gsm_amr/amr_nb/common/src/bytesused.cpp b/opencore/codecs_v2/audio/gsm_amr/amr_nb/common/src/bytesused.cpp new file mode 100644 index 0000000..4893542 --- /dev/null +++ b/opencore/codecs_v2/audio/gsm_amr/amr_nb/common/src/bytesused.cpp @@ -0,0 +1,171 @@ +/* ------------------------------------------------------------------ + * 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: bytesused.cpp + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + Inputs: + None + + Local Stores/Buffers/Pointers Needed: + None + + Global Stores/Buffers/Pointers Needed: + None + + Outputs: + None + + Pointers and Buffers Modified: + None + + Local Stores Modified: + None + + Global Stores Modified: + None + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + This function creates a table called BytesUsed that holds the value that + describes the number of bytes required to hold one frame worth of data in + the WMF (non-IF2) frame format. Each table entry is the sum of the frame + type byte and the number of bytes used up by the core speech data for each + 3GPP frame type. + +------------------------------------------------------------------------------ + REQUIREMENTS + + None + +------------------------------------------------------------------------------ + REFERENCES + + [1] "AMR Speech Codec Frame Structure", 3GPP TS 26.101 version 4.1.0 + Release 4, June 2001, page 13. + +------------------------------------------------------------------------------ + PSEUDO-CODE + + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; 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 + ; Function Prototype declaration + ----------------------------------------------------------------------------*/ + + + /*---------------------------------------------------------------------------- + ; LOCAL STORE/BUFFER/POINTER DEFINITIONS + ; Variable declaration - defined here and used outside this module + ----------------------------------------------------------------------------*/ + const short BytesUsed[16] = + { + 13, /* 4.75 */ + 14, /* 5.15 */ + 16, /* 5.90 */ + 18, /* 6.70 */ + 20, /* 7.40 */ + 21, /* 7.95 */ + 27, /* 10.2 */ + 32, /* 12.2 */ + 6, /* GsmAmr comfort noise */ + 7, /* Gsm-Efr comfort noise */ + 6, /* IS-641 comfort noise */ + 6, /* Pdc-Efr comfort noise */ + 0, /* future use */ + 0, /* future use */ + 0, /* future use */ + 1 /* No transmission */ + }; + /*---------------------------------------------------------------------------- + ; EXTERNAL FUNCTION REFERENCES + ; Declare functions defined elsewhere and referenced in this module + ----------------------------------------------------------------------------*/ + + + /*---------------------------------------------------------------------------- + ; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES + ; Declare variables used in this module but defined elsewhere + ----------------------------------------------------------------------------*/ + + + /*--------------------------------------------------------------------------*/ +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- +; FUNCTION CODE +----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- +; Define all local variables +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; Function body here +----------------------------------------------------------------------------*/ + + +/*---------------------------------------------------------------------------- +; Return nothing or data or data pointer +----------------------------------------------------------------------------*/ + |