FreeCalypso > hg > gsm-codec-lib
view libtwamr/d_gain_p.h @ 469:7c50864deaff
amrts-pcm8-compact program written
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 13 May 2024 21:06:58 +0000 |
parents | e18452a4fbac |
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 : d_gain_p.h * Purpose : Decodes the pitch gain using the received index. * ******************************************************************************** */ #ifndef d_gain_p_h #define d_gain_p_h "$Id $" /* ******************************************************************************** * INCLUDE FILES ******************************************************************************** */ #include "tw_amr.h" #include "typedef.h" /* ************************************************************************** * * Function : d_gain_pitch * Purpose : Decodes the pitch gain using the received index. * Description : In case of no frame erasure, the gain is obtained * from the quantization table at the given index; * otherwise, a downscaled past gain is used. * Returns : Quantized pitch gain * ************************************************************************** */ Word16 d_gain_pitch ( /* return value: gain (Q14) */ enum Mode mode, /* i : AMR mode */ Word16 index /* i : index of quantization */ ); #endif