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Diffstat (limited to 'media/libstagefright/codecs/amrnb/enc/src/enc_output_format_tab.cpp')
| -rw-r--r-- | media/libstagefright/codecs/amrnb/enc/src/enc_output_format_tab.cpp | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/amrnb/enc/src/enc_output_format_tab.cpp b/media/libstagefright/codecs/amrnb/enc/src/enc_output_format_tab.cpp new file mode 100644 index 0000000..4551fd7 --- /dev/null +++ b/media/libstagefright/codecs/amrnb/enc/src/enc_output_format_tab.cpp @@ -0,0 +1,232 @@ +/* ------------------------------------------------------------------ + * 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. +****************************************************************************************/ +/* +------------------------------------------------------------------------------ + + + Pathname: .audio/gsm-amr/c/src/enc_output_format_tab.c + + Date: 03/08/2002 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: Moved WMFBytesUsed and IF2BytesUsed tables from gsmamr_enc.h. + Changed their type definition to 'const int'. Renamed tables to + WmfEncBytesPerFrame and If2EncBytesPerFrame. + + Description: Added #ifdef __cplusplus and removed "extern" from table + definition. + + Description: Put "extern" back. + + Description: + +------------------------------------------------------------------------------ + INPUT AND OUTPUT DEFINITIONS + + Inputs: + None + + Outputs: + None + + Returns: + None + + Global Variables Used: + None + + Local Variables Needed: + None + +------------------------------------------------------------------------------ + FUNCTION DESCRIPTION + + This file contains the tables of the number of data bytes per codec mode in + both WMF and IF2 output formats. + +------------------------------------------------------------------------------ + REQUIREMENTS + + None + +------------------------------------------------------------------------------ + REFERENCES + + [1] AMR Speech Codec Frame Structure, 3GPP TS 26.101 version 4.1.0 Release 4, + June 2001 + +------------------------------------------------------------------------------ + PSEUDO-CODE + + +------------------------------------------------------------------------------ + RESOURCES USED + When the code is written for a specific target processor the + the resources used should be documented below. + + STACK USAGE: [stack count for this module] + [variable to represent + stack usage for each subroutine called] + + where: [stack usage variable] = stack usage for [subroutine + name] (see [filename].ext) + + DATA MEMORY USED: x words + + PROGRAM MEMORY USED: x words + + CLOCK CYCLES: [cycle count equation for this module] + [variable + used to represent cycle count for each subroutine + called] + + where: [cycle count variable] = cycle count for [subroutine + name] (see [filename].ext) + +------------------------------------------------------------------------------ +*/ + + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "typedef.h" +#include "amrencode.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 + ----------------------------------------------------------------------------*/ + /* Number of data bytes in an encoder frame for each codec mode */ + /* for WMF output format. */ + /* Each entry is the sum of the 3GPP frame type byte and the */ + /* number of packed core AMR data bytes */ + const Word16 WmfEncBytesPerFrame[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 */ + }; + + + /* Number of data bytes in an encoder frame for each codec mode */ + /* for IF2 output format */ + const Word16 If2EncBytesPerFrame[16] = + { + 13, /* 4.75 */ + 14, /* 5.15 */ + 16, /* 5.90 */ + 18, /* 6.70 */ + 19, /* 7.40 */ + 21, /* 7.95 */ + 26, /* 10.2 */ + 31, /* 12.2 */ + 6, /* GsmAmr comfort noise */ + 6, /* 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 +----------------------------------------------------------------------------*/ + + |