FreeCalypso > hg > gsm-codec-lib
view libtwamr/spstproc.h @ 553:ebcf414b7d99
doc/TFO-transform: describe details for FRv1, both modes
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 07 Oct 2024 08:24:24 +0000 |
parents | a37687c6ff22 |
children |
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/* ******************************************************************************** * * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001 * R99 Version 3.3.0 * REL-4 Version 4.1.0 * ******************************************************************************** * * File : subframePostProc.h * Purpose : Subframe post processing * ******************************************************************************** */ #ifndef spstproc_h #define spstproc_h "$Id $" /* ******************************************************************************** * INCLUDE FILES ******************************************************************************** */ #include "tw_amr.h" #include "typedef.h" /* ******************************************************************************** * LOCAL VARIABLES AND TABLES ******************************************************************************** */ /* ******************************************************************************** * PUBLIC PROGRAM CODE ******************************************************************************** */ int subframePostProc( Word16 *speech, /* i : speech segment */ enum Mode mode, /* i : coder mode */ Word16 i_subfr, /* i : Subframe nr */ Word16 gain_pit, /* i : Pitch gain Q14 */ Word16 gain_code, /* i : Decoded innovation gain */ Word16 *Aq, /* i : A(z) quantized for the 4 subframes */ Word16 synth[], /* i : Local snthesis */ Word16 xn[], /* i : Target vector for pitch search */ Word16 code[], /* i : Fixed codebook exitation */ Word16 y1[], /* i : Filtered adaptive exitation */ Word16 y2[], /* i : Filtered fixed codebook excitation */ Word16 *mem_syn, /* i/o : memory of synthesis filter */ Word16 *mem_err, /* o : pointer to error signal */ Word16 *mem_w0, /* o : memory of weighting filter */ Word16 *exc, /* o : long term prediction residual */ Word16 *sharp /* o : pitch sharpening value */ ); #endif