FreeCalypso > hg > gsm-codec-lib
view libgsmhr1/enc_out_order.c @ 512:4f0ab833bec0
libgsmhr1: add parameter validation function
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 25 Aug 2024 18:42:27 +0000 |
parents | 17c0aabae474 |
children |
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/* * This module was derived from host.c in the original GSM 06.06 source, * reduced to just fillBitAlloc() function. */ /*_________________________________________________________________________ | | | Include Files | |_________________________________________________________________________| */ #include "typedefs.h" #include "namespace.h" #include "enc_out_order.h" /*************************************************************************** * * FUNCTION NAME: fillBitAlloc * * PURPOSE: * * Arrange speech parameters for encoder output * * INPUTS: * * The speechcoders codewords: * iR0 - Frame energy * piVqIndeces[0:2] - LPC vector quantizer codewords * iSoftInterp - Soft interpolation bit 1 or 0 * iVoicing - voicing mode 0,1,2,3 * piLags[0:3] - Frame and delta lag codewords * piCodeWrdsA[0:3] - VSELP codevector 1 * piCodeWrdsB[0:3] - VSELP codevector 2 (n/a for voiced modes) * piGsp0s[0:3] - GSP0 codewords * swVadFlag - voice activity detection flag * swSP - Speech flag * * OUTPUTS: * * pswBAlloc[0:20] - an array into which the coded data is moved * * RETURN VALUE: * * none * * REFERENCES: Sub-clause 2.1 and 4.1.12 of GSM Recomendation 06.20 * **************************************************************************/ void fillBitAlloc(int iVoicing, int iR0, int *piVqIndeces, int iSoftInterp, int *piLags, int *piCodeWrdsA, int *piCodeWrdsB, int *piGsp0s, Shortword swVadFlag, Shortword swSP, Shortword *pswBAlloc) { /*_________________________________________________________________________ | | | Automatic Variables | |_________________________________________________________________________| */ int i; Shortword *pswNxt; /*_________________________________________________________________________ | | | Executable Code | |_________________________________________________________________________| */ pswNxt = pswBAlloc; *pswNxt++ = iR0; for (i = 0; i < 3; i++) *pswNxt++ = *piVqIndeces++; *pswNxt++ = iSoftInterp; *pswNxt++ = iVoicing; /* check voicing mode */ if (iVoicing) { /* voiced mode */ for (i = 0; i < N_SUB; i++) { *pswNxt++ = *piLags++; *pswNxt++ = *piCodeWrdsA++; *pswNxt++ = *piGsp0s++; } } else { /* unvoiced frame */ for (i = 0; i < N_SUB; i++) { *pswNxt++ = *piCodeWrdsA++; *pswNxt++ = *piCodeWrdsB++; *pswNxt++ = *piGsp0s++; } } *pswNxt++ = swVadFlag; *pswNxt++ = swSP; }