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libgsm: Remove libgsm wrapper

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Remove copy of old and ugly libgsm code and wrapper.
Decoding these formats is supported via FFmpeg both natively and
through libgsm.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@31657 b3059339-0415-0410-9bf9-f77b7e298cf2

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@31664 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2010-07-10 08:04:48 +00:00 committed by Uoti Urpala
parent 4d83c67b5c
commit 6c3c1588f5
8 changed files with 0 additions and 1234 deletions
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8
Copyright
View File

@ -29,14 +29,6 @@ Copyright: 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
License: GNU General Public License
Name: GSM 06.10 library
Version: patchlevel 10
URL: http://kbs.cs.tu-berlin.de/~jutta/toast.html
Directory: libmpcodecs/native/
Copyright: 1992 by Jutta Degener and Carsten Bormann, TU Berlin
License: permissive, see libmpcodecs/native/xa_gsm.c
Name: libdvdcss
Version: Subversion r231
URL: http://developers.videolan.org/libdvdcss/

2
Makefile
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@ -377,14 +377,12 @@ SRCS_COMMON = asxparser.c \
libmpcodecs/ad_hwmpa.c \
libmpcodecs/ad_imaadpcm.c \
libmpcodecs/ad_msadpcm.c \
libmpcodecs/ad_msgsm.c \
libmpcodecs/ad_pcm.c \
libmpcodecs/dec_audio.c \
libmpcodecs/dec_teletext.c \
libmpcodecs/dec_video.c \
libmpcodecs/img_format.c \
libmpcodecs/mp_image.c \
libmpcodecs/native/xa_gsm.c \
libmpcodecs/pullup.c \
libmpcodecs/vd.c \
libmpcodecs/vd_hmblck.c \

10
etc/codecs.conf
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@ -4316,16 +4316,6 @@ audiocodec libgsmms
driver ffmpeg
dll "libgsm_ms"
audiocodec msgsm
info "MS GSM"
status working
format 0x31
format 0x32
format 0x204D5347
format 0x1500
fourcc agsm
driver msgsm
audiocodec msgsmacm
info "MS GSM"
status working

2
libmpcodecs/ad.c
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@ -48,7 +48,6 @@ extern const ad_functions_t mpcodecs_ad_dk4adpcm;
extern const ad_functions_t mpcodecs_ad_dshow;
extern const ad_functions_t mpcodecs_ad_dmo;
extern const ad_functions_t mpcodecs_ad_acm;
extern const ad_functions_t mpcodecs_ad_msgsm;
extern const ad_functions_t mpcodecs_ad_faad;
extern const ad_functions_t mpcodecs_ad_libvorbis;
extern const ad_functions_t mpcodecs_ad_speex;
@ -83,7 +82,6 @@ const ad_functions_t * const mpcodecs_ad_drivers[] =
&mpcodecs_ad_imaadpcm,
&mpcodecs_ad_msadpcm,
&mpcodecs_ad_dk3adpcm,
&mpcodecs_ad_msgsm,
#ifdef CONFIG_WIN32DLL
&mpcodecs_ad_dshow,
&mpcodecs_ad_dmo,

87
libmpcodecs/ad_msgsm.c
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@ -1,87 +0,0 @@
/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
#include "ad_internal.h"
static const ad_info_t info =
{
"native GSM/MSGSM audio decoder",
"msgsm",
"A'rpi",
"XAnim",
""
};
LIBAD_EXTERN(msgsm)
#include "native/xa_gsm.h"
static int init(sh_audio_t *sh_audio)
{
if(!sh_audio->wf) return 0;
// MS-GSM audio codec:
GSM_Init();
sh_audio->channels=sh_audio->wf->nChannels;
sh_audio->samplerate=sh_audio->wf->nSamplesPerSec;
sh_audio->samplesize=2;
// decodes 65 byte -> 320 short
// 1 sec: sh_audio->channels*sh_audio->samplerate samples
// 1 frame: 320 samples
if(sh_audio->format==0x31 || sh_audio->format==0x32){
sh_audio->ds->ss_mul=65; sh_audio->ds->ss_div=320;
} else {
sh_audio->ds->ss_mul=33; sh_audio->ds->ss_div=160;
}
sh_audio->i_bps=sh_audio->ds->ss_mul*(sh_audio->channels*sh_audio->samplerate)/sh_audio->ds->ss_div; // 1:10
return 1;
}
static int preinit(sh_audio_t *sh_audio)
{
sh_audio->audio_out_minsize=4*320;
return 1;
}
static void uninit(sh_audio_t *sh)
{
}
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
{
return CONTROL_UNKNOWN;
}
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
{
if(sh_audio->format==0x31 || sh_audio->format==0x32){
unsigned char ibuf[65]; // 65 bytes / frame
if(demux_read_data(sh_audio->ds,ibuf,65)!=65) return -1; // EOF
XA_MSGSM_Decoder(ibuf,(unsigned short *) buf); // decodes 65 byte -> 320 short
return 2*320;
} else {
unsigned char ibuf[33]; // 33 bytes / frame
if(demux_read_data(sh_audio->ds,ibuf,33)!=33) return -1; // EOF
XA_GSM_Decoder(ibuf,(unsigned short *) buf); // decodes 33 byte -> 160 short
return 2*160;
}
}

965
libmpcodecs/native/xa_gsm.c
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@ -1,965 +0,0 @@
/*
Written by Mark Podlipec <podlipec@ici.net>.
Most of this code comes from a GSM 06.10 library by
Jutta Degener and Carsten Bormann, available via
<http://www.pobox.com/~jutta/toast.html>.
That library is distributed with the following copyright:
Copyright 1992 by Jutta Degener and Carsten Bormann,
Technische Universitaet Berlin
Any use of this software is permitted provided that this notice is not
removed and that neither the authors nor the Technische Universitaet Berlin
are deemed to have made any representations as to the suitability of this
software for any purpose nor are held responsible for any defects of
this software. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
As a matter of courtesy, the authors request to be informed about uses
this software has found, about bugs in this software, and about any
improvements that may be of general interest.
Berlin, 15.09.1992
Jutta Degener
Carsten Bormann
*/
#include <stdio.h>
#include <string.h>
#include <assert.h> /* POD optional */
#include "xa_gsm_int.h"
//void XA_MSGSM_Decoder();
static void GSM_Decode();
static void Gsm_RPE_Decoding();
//static short gsm_buf[320];
static XA_GSM_STATE gsm_state;
void GSM_Init(void)
{
memset((char *)(&gsm_state), 0, sizeof(XA_GSM_STATE));
gsm_state.nrp = 40;
}
/* Table 4.3b Quantization levels of the LTP gain quantizer
*/
/* bc 0 1 2 3 */
static word gsm_QLB[4] = { 3277, 11469, 21299, 32767 };
/* Table 4.6 Normalized direct mantissa used to compute xM/xmax
*/
/* i 0 1 2 3 4 5 6 7 */
static word gsm_FAC[8] = { 18431, 20479, 22527, 24575, 26623, 28671, 30719, 32767 };
/****************/
#define saturate(x) \
((x) < MIN_WORD ? MIN_WORD : (x) > MAX_WORD ? MAX_WORD: (x))
/****************/
static word gsm_sub (a,b)
word a;
word b;
{
longword diff = (longword)a - (longword)b;
return saturate(diff);
}
/****************/
static word gsm_asr (a,n)
word a;
int n;
{
if (n >= 16) return -(a < 0);
if (n <= -16) return 0;
if (n < 0) return a << -n;
# ifdef SASR
return a >> n;
# else
if (a >= 0) return a >> n;
else return -(word)( -(uword)a >> n );
# endif
}
/****************/
static word gsm_asl (a,n)
word a;
int n;
{
if (n >= 16) return 0;
if (n <= -16) return -(a < 0);
if (n < 0) return gsm_asr(a, -n);
return a << n;
}
/*
* Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
* Universitaet Berlin. See the accompanying file "COPYRIGHT" for
* details. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
*/
/**** 4.2.17 */
static void RPE_grid_positioning(Mc,xMp,ep)
word Mc; /* grid position IN */
register word * xMp; /* [0..12] IN */
register word * ep; /* [0..39] OUT */
/*
* This procedure computes the reconstructed long term residual signal
* ep[0..39] for the LTP analysis filter. The inputs are the Mc
* which is the grid position selection and the xMp[0..12] decoded
* RPE samples which are upsampled by a factor of 3 by inserting zero
* values.
*/
{
int i = 13;
assert(0 <= Mc && Mc <= 3);
switch (Mc) {
case 3: *ep++ = 0;
case 2: do {
*ep++ = 0;
case 1: *ep++ = 0;
case 0: *ep++ = *xMp++;
} while (--i);
}
while (++Mc < 4) *ep++ = 0;
/*
int i, k;
for (k = 0; k <= 39; k++) ep[k] = 0;
for (i = 0; i <= 12; i++) {
ep[ Mc + (3*i) ] = xMp[i];
}
*/
}
/**** 4.2.16 */
static void APCM_inverse_quantization (xMc,mant,exp,xMp)
register word * xMc; /* [0..12] IN */
word mant;
word exp;
register word * xMp; /* [0..12] OUT */
/*
* This part is for decoding the RPE sequence of coded xMc[0..12]
* samples to obtain the xMp[0..12] array. Table 4.6 is used to get
* the mantissa of xmaxc (FAC[0..7]).
*/
{
int i;
word temp, temp1, temp2, temp3;
longword ltmp;
assert( mant >= 0 && mant <= 7 );
temp1 = gsm_FAC[ mant ]; /* see 4.2-15 for mant */
temp2 = gsm_sub( 6, exp ); /* see 4.2-15 for exp */
temp3 = gsm_asl( 1, gsm_sub( temp2, 1 ));
for (i = 13; i--;) {
assert( *xMc <= 7 && *xMc >= 0 ); /* 3 bit unsigned */
/* temp = gsm_sub( *xMc++ << 1, 7 ); */
temp = (*xMc++ << 1) - 7; /* restore sign */
assert( temp <= 7 && temp >= -7 ); /* 4 bit signed */
temp <<= 12; /* 16 bit signed */
temp = GSM_MULT_R( temp1, temp );
temp = GSM_ADD( temp, temp3 );
*xMp++ = gsm_asr( temp, temp2 );
}
}
/**** 4.12.15 */
static void APCM_quantization_xmaxc_to_exp_mant (xmaxc,exp_out,mant_out)
word xmaxc; /* IN */
word * exp_out; /* OUT */
word * mant_out; /* OUT */
{
word exp, mant;
/* Compute exponent and mantissa of the decoded version of xmaxc
*/
exp = 0;
if (xmaxc > 15) exp = SASR(xmaxc, 3) - 1;
mant = xmaxc - (exp << 3);
if (mant == 0) {
exp = -4;
mant = 7;
}
else {
while (mant <= 7) {
mant = mant << 1 | 1;
exp--;
}
mant -= 8;
}
assert( exp >= -4 && exp <= 6 );
assert( mant >= 0 && mant <= 7 );
*exp_out = exp;
*mant_out = mant;
}
static void Gsm_RPE_Decoding (S, xmaxcr, Mcr, xMcr, erp)
XA_GSM_STATE * S;
word xmaxcr;
word Mcr;
word * xMcr; /* [0..12], 3 bits IN */
word * erp; /* [0..39] OUT */
{
word exp, mant;
word xMp[ 13 ];
APCM_quantization_xmaxc_to_exp_mant( xmaxcr, &exp, &mant );
APCM_inverse_quantization( xMcr, mant, exp, xMp );
RPE_grid_positioning( Mcr, xMp, erp );
}
/*
* 4.3 FIXED POINT IMPLEMENTATION OF THE RPE-LTP DECODER
*/
static void Postprocessing(S,s)
XA_GSM_STATE * S;
register word * s;
{
register int k;
register word msr = S->msr;
register longword ltmp; /* for GSM_ADD */
register word tmp;
for (k = 160; k--; s++)
{
tmp = GSM_MULT_R( msr, 28180 );
msr = GSM_ADD(*s, tmp); /* Deemphasis */
*s = GSM_ADD(msr, msr) & 0xFFF8; /* Truncation & Upscaling */
}
S->msr = msr;
}
/**** 4.3.2 */
static void Gsm_Long_Term_Synthesis_Filtering (S,Ncr,bcr,erp,drp)
XA_GSM_STATE * S;
word Ncr;
word bcr;
register word * erp; /* [0..39] IN */
register word * drp; /* [-120..-1] IN, [-120..40] OUT */
/*
* This procedure uses the bcr and Ncr parameter to realize the
* long term synthesis filtering. The decoding of bcr needs
* table 4.3b.
*/
{
register longword ltmp; /* for ADD */
register int k;
word brp, drpp, Nr;
/* Check the limits of Nr.
*/
Nr = Ncr < 40 || Ncr > 120 ? S->nrp : Ncr;
S->nrp = Nr;
assert(Nr >= 40 && Nr <= 120);
/* Decoding of the LTP gain bcr
*/
brp = gsm_QLB[ bcr ];
/* Computation of the reconstructed short term residual
* signal drp[0..39]
*/
assert(brp != MIN_WORD);
for (k = 0; k <= 39; k++) {
drpp = GSM_MULT_R( brp, drp[ k - Nr ] );
drp[k] = GSM_ADD( erp[k], drpp );
}
/*
* Update of the reconstructed short term residual signal
* drp[ -1..-120 ]
*/
for (k = 0; k <= 119; k++) drp[ -120 + k ] = drp[ -80 + k ];
}
static void Short_term_synthesis_filtering (S,rrp,k,wt,sr)
XA_GSM_STATE *S;
register word *rrp; /* [0..7] IN */
register int k; /* k_end - k_start */
register word *wt; /* [0..k-1] IN */
register word *sr; /* [0..k-1] OUT */
{
register word * v = S->v;
register int i;
register word sri, tmp1, tmp2;
register longword ltmp; /* for GSM_ADD & GSM_SUB */
while (k--) {
sri = *wt++;
for (i = 8; i--;) {
/* sri = GSM_SUB( sri, gsm_mult_r( rrp[i], v[i] ) );
*/
tmp1 = rrp[i];
tmp2 = v[i];
tmp2 = ( tmp1 == MIN_WORD && tmp2 == MIN_WORD
? MAX_WORD
: 0x0FFFF & (( (longword)tmp1 * (longword)tmp2
+ 16384) >> 15)) ;
sri = GSM_SUB( sri, tmp2 );
/* v[i+1] = GSM_ADD( v[i], gsm_mult_r( rrp[i], sri ) );
*/
tmp1 = ( tmp1 == MIN_WORD && sri == MIN_WORD
? MAX_WORD
: 0x0FFFF & (( (longword)tmp1 * (longword)sri
+ 16384) >> 15)) ;
v[i+1] = GSM_ADD( v[i], tmp1);
}
*sr++ = v[0] = sri;
}
}
/* 4.2.8 */
static void Decoding_of_the_coded_Log_Area_Ratios (LARc,LARpp)
word * LARc; /* coded log area ratio [0..7] IN */
word * LARpp; /* out: decoded .. */
{
register word temp1 /* , temp2 */;
register long ltmp; /* for GSM_ADD */
/* This procedure requires for efficient implementation
* two tables.
*
* INVA[1..8] = integer( (32768 * 8) / real_A[1..8])
* MIC[1..8] = minimum value of the LARc[1..8]
*/
/* Compute the LARpp[1..8]
*/
/* for (i = 1; i <= 8; i++, B++, MIC++, INVA++, LARc++, LARpp++) {
*
* temp1 = GSM_ADD( *LARc, *MIC ) << 10;
* temp2 = *B << 1;
* temp1 = GSM_SUB( temp1, temp2 );
*
* assert(*INVA != MIN_WORD);
*
* temp1 = GSM_MULT_R( *INVA, temp1 );
* *LARpp = GSM_ADD( temp1, temp1 );
* }
*/
#undef STEP
#define STEP( B, MIC, INVA ) \
temp1 = GSM_ADD( *LARc++, MIC ) << 10; \
temp1 = GSM_SUB( temp1, B << 1 ); \
temp1 = GSM_MULT_R( INVA, temp1 ); \
*LARpp++ = GSM_ADD( temp1, temp1 );
STEP( 0, -32, 13107 );
STEP( 0, -32, 13107 );
STEP( 2048, -16, 13107 );
STEP( -2560, -16, 13107 );
STEP( 94, -8, 19223 );
STEP( -1792, -8, 17476 );
STEP( -341, -4, 31454 );
STEP( -1144, -4, 29708 );
/* NOTE: the addition of *MIC is used to restore
* the sign of *LARc.
*/
}
/* 4.2.9 */
/* Computation of the quantized reflection coefficients
*/
/* 4.2.9.1 Interpolation of the LARpp[1..8] to get the LARp[1..8]
*/
/*
* Within each frame of 160 analyzed speech samples the short term
* analysis and synthesis filters operate with four different sets of
* coefficients, derived from the previous set of decoded LARs(LARpp(j-1))
* and the actual set of decoded LARs (LARpp(j))
*
* (Initial value: LARpp(j-1)[1..8] = 0.)
*/
static void Coefficients_0_12 (LARpp_j_1, LARpp_j, LARp)
register word * LARpp_j_1;
register word * LARpp_j;
register word * LARp;
{
register int i;
register longword ltmp;
for (i = 1; i <= 8; i++, LARp++, LARpp_j_1++, LARpp_j++) {
*LARp = GSM_ADD( SASR( *LARpp_j_1, 2 ), SASR( *LARpp_j, 2 ));
*LARp = GSM_ADD( *LARp, SASR( *LARpp_j_1, 1));
}
}
static void Coefficients_13_26 (LARpp_j_1, LARpp_j, LARp)
register word * LARpp_j_1;
register word * LARpp_j;
register word * LARp;
{
register int i;
register longword ltmp;
for (i = 1; i <= 8; i++, LARpp_j_1++, LARpp_j++, LARp++) {
*LARp = GSM_ADD( SASR( *LARpp_j_1, 1), SASR( *LARpp_j, 1 ));
}
}
static void Coefficients_27_39 (LARpp_j_1, LARpp_j, LARp)
register word * LARpp_j_1;
register word * LARpp_j;
register word * LARp;
{
register int i;
register longword ltmp;
for (i = 1; i <= 8; i++, LARpp_j_1++, LARpp_j++, LARp++) {
*LARp = GSM_ADD( SASR( *LARpp_j_1, 2 ), SASR( *LARpp_j, 2 ));
*LARp = GSM_ADD( *LARp, SASR( *LARpp_j, 1 ));
}
}
static void Coefficients_40_159 (LARpp_j, LARp)
register word * LARpp_j;
register word * LARp;
{
register int i;
for (i = 1; i <= 8; i++, LARp++, LARpp_j++)
*LARp = *LARpp_j;
}
/* 4.2.9.2 */
static void LARp_to_rp (LARp)
register word * LARp; /* [0..7] IN/OUT */
/*
* The input of this procedure is the interpolated LARp[0..7] array.
* The reflection coefficients, rp[i], are used in the analysis
* filter and in the synthesis filter.
*/
{
register int i;
register word temp;
register longword ltmp;
for (i = 1; i <= 8; i++, LARp++) {
/* temp = GSM_ABS( *LARp );
*
* if (temp < 11059) temp <<= 1;
* else if (temp < 20070) temp += 11059;
* else temp = GSM_ADD( temp >> 2, 26112 );
*
* *LARp = *LARp < 0 ? -temp : temp;
*/
if (*LARp < 0) {
temp = *LARp == MIN_WORD ? MAX_WORD : -(*LARp);
*LARp = - ((temp < 11059) ? temp << 1
: ((temp < 20070) ? temp + 11059
: GSM_ADD( temp >> 2, 26112 )));
} else {
temp = *LARp;
*LARp = (temp < 11059) ? temp << 1
: ((temp < 20070) ? temp + 11059
: GSM_ADD( temp >> 2, 26112 ));
}
}
}
/**** */
static void Gsm_Short_Term_Synthesis_Filter (S, LARcr, wt, s)
XA_GSM_STATE * S;
word * LARcr; /* received log area ratios [0..7] IN */
word * wt; /* received d [0..159] IN */
word * s; /* signal s [0..159] OUT */
{
word * LARpp_j = S->LARpp[ S->j ];
word * LARpp_j_1 = S->LARpp[ S->j ^=1 ];
word LARp[8];
#undef FILTER
#if defined(FAST) && defined(USE_FLOAT_MUL)
# define FILTER (* (S->fast \
? Fast_Short_term_synthesis_filtering \
: Short_term_synthesis_filtering ))
#else
# define FILTER Short_term_synthesis_filtering
#endif
Decoding_of_the_coded_Log_Area_Ratios( LARcr, LARpp_j );
Coefficients_0_12( LARpp_j_1, LARpp_j, LARp );
LARp_to_rp( LARp );
FILTER( S, LARp, 13, wt, s );
Coefficients_13_26( LARpp_j_1, LARpp_j, LARp);
LARp_to_rp( LARp );
FILTER( S, LARp, 14, wt + 13, s + 13 );
Coefficients_27_39( LARpp_j_1, LARpp_j, LARp);
LARp_to_rp( LARp );
FILTER( S, LARp, 13, wt + 27, s + 27 );
Coefficients_40_159( LARpp_j, LARp );
LARp_to_rp( LARp );
FILTER(S, LARp, 120, wt + 40, s + 40);
}
static void GSM_Decode(S,LARcr, Ncr,bcr,Mcr,xmaxcr,xMcr,s)
XA_GSM_STATE *S;
word *LARcr; /* [0..7] IN */
word *Ncr; /* [0..3] IN */
word *bcr; /* [0..3] IN */
word *Mcr; /* [0..3] IN */
word *xmaxcr; /* [0..3] IN */
word *xMcr; /* [0..13*4] IN */
word *s; /* [0..159] OUT */
{
int j, k;
word erp[40], wt[160];
word *drp = S->dp0 + 120;
for (j=0; j <= 3; j++, xmaxcr++, bcr++, Ncr++, Mcr++, xMcr += 13)
{
Gsm_RPE_Decoding( S, *xmaxcr, *Mcr, xMcr, erp );
Gsm_Long_Term_Synthesis_Filtering( S, *Ncr, *bcr, erp, drp );
for (k = 0; k <= 39; k++) wt[ j * 40 + k ] = drp[ k ];
}
Gsm_Short_Term_Synthesis_Filter( S, LARcr, wt, s );
Postprocessing(S, s);
}
/****-------------------------------------------------------------------****
**** Podlipec: For AVI/WAV files GSM 6.10 combines two 33 bytes frames
**** into one 65 byte frame.
****-------------------------------------------------------------------****/
void XA_MSGSM_Decoder(unsigned char *ibuf,unsigned short *obuf)
{ word sr;
word LARc[8], Nc[4], Mc[4], bc[4], xmaxc[4], xmc[13*4];
sr = *ibuf++;
LARc[0] = sr & 0x3f; sr >>= 6;
sr |= (word)*ibuf++ << 2;
LARc[1] = sr & 0x3f; sr >>= 6;
sr |= (word)*ibuf++ << 4;
LARc[2] = sr & 0x1f; sr >>= 5;
LARc[3] = sr & 0x1f; sr >>= 5;
sr |= (word)*ibuf++ << 2;
LARc[4] = sr & 0xf; sr >>= 4;
LARc[5] = sr & 0xf; sr >>= 4;
sr |= (word)*ibuf++ << 2; /* 5 */
LARc[6] = sr & 0x7; sr >>= 3;
LARc[7] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 4;
Nc[0] = sr & 0x7f; sr >>= 7;
bc[0] = sr & 0x3; sr >>= 2;
Mc[0] = sr & 0x3; sr >>= 2;
sr |= (word)*ibuf++ << 1;
xmaxc[0] = sr & 0x3f; sr >>= 6;
xmc[0] = sr & 0x7; sr >>= 3;
sr = *ibuf++;
xmc[1] = sr & 0x7; sr >>= 3;
xmc[2] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 2;
xmc[3] = sr & 0x7; sr >>= 3;
xmc[4] = sr & 0x7; sr >>= 3;
xmc[5] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 1; /* 10 */
xmc[6] = sr & 0x7; sr >>= 3;
xmc[7] = sr & 0x7; sr >>= 3;
xmc[8] = sr & 0x7; sr >>= 3;
sr = *ibuf++;
xmc[9] = sr & 0x7; sr >>= 3;
xmc[10] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 2;
xmc[11] = sr & 0x7; sr >>= 3;
xmc[12] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 4;
Nc[1] = sr & 0x7f; sr >>= 7;
bc[1] = sr & 0x3; sr >>= 2;
Mc[1] = sr & 0x3; sr >>= 2;
sr |= (word)*ibuf++ << 1;
xmaxc[1] = sr & 0x3f; sr >>= 6;
xmc[13] = sr & 0x7; sr >>= 3;
sr = *ibuf++; /* 15 */
xmc[14] = sr & 0x7; sr >>= 3;
xmc[15] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 2;
xmc[16] = sr & 0x7; sr >>= 3;
xmc[17] = sr & 0x7; sr >>= 3;
xmc[18] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 1;
xmc[19] = sr & 0x7; sr >>= 3;
xmc[20] = sr & 0x7; sr >>= 3;
xmc[21] = sr & 0x7; sr >>= 3;
sr = *ibuf++;
xmc[22] = sr & 0x7; sr >>= 3;
xmc[23] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 2;
xmc[24] = sr & 0x7; sr >>= 3;
xmc[25] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 4; /* 20 */
Nc[2] = sr & 0x7f; sr >>= 7;
bc[2] = sr & 0x3; sr >>= 2;
Mc[2] = sr & 0x3; sr >>= 2;
sr |= (word)*ibuf++ << 1;
xmaxc[2] = sr & 0x3f; sr >>= 6;
xmc[26] = sr & 0x7; sr >>= 3;
sr = *ibuf++;
xmc[27] = sr & 0x7; sr >>= 3;
xmc[28] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 2;
xmc[29] = sr & 0x7; sr >>= 3;
xmc[30] = sr & 0x7; sr >>= 3;
xmc[31] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 1;
xmc[32] = sr & 0x7; sr >>= 3;
xmc[33] = sr & 0x7; sr >>= 3;
xmc[34] = sr & 0x7; sr >>= 3;
sr = *ibuf++; /* 25 */
xmc[35] = sr & 0x7; sr >>= 3;
xmc[36] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 2;
xmc[37] = sr & 0x7; sr >>= 3;
xmc[38] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 4;
Nc[3] = sr & 0x7f; sr >>= 7;
bc[3] = sr & 0x3; sr >>= 2;
Mc[3] = sr & 0x3; sr >>= 2;
sr |= (word)*ibuf++ << 1;
xmaxc[3] = sr & 0x3f; sr >>= 6;
xmc[39] = sr & 0x7; sr >>= 3;
sr = *ibuf++;
xmc[40] = sr & 0x7; sr >>= 3;
xmc[41] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 2; /* 30 */
xmc[42] = sr & 0x7; sr >>= 3;
xmc[43] = sr & 0x7; sr >>= 3;
xmc[44] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 1;
xmc[45] = sr & 0x7; sr >>= 3;
xmc[46] = sr & 0x7; sr >>= 3;
xmc[47] = sr & 0x7; sr >>= 3;
sr = *ibuf++;
xmc[48] = sr & 0x7; sr >>= 3;
xmc[49] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 2;
xmc[50] = sr & 0x7; sr >>= 3;
xmc[51] = sr & 0x7; sr >>= 3;
GSM_Decode(&gsm_state, LARc, Nc, bc, Mc, xmaxc, xmc, obuf);
/*
carry = sr & 0xf;
sr = carry;
*/
/* 2nd frame */
sr &= 0xf;
sr |= (word)*ibuf++ << 4; /* 1 */
LARc[0] = sr & 0x3f; sr >>= 6;
LARc[1] = sr & 0x3f; sr >>= 6;
sr = *ibuf++;
LARc[2] = sr & 0x1f; sr >>= 5;
sr |= (word)*ibuf++ << 3;
LARc[3] = sr & 0x1f; sr >>= 5;
LARc[4] = sr & 0xf; sr >>= 4;
sr |= (word)*ibuf++ << 2;
LARc[5] = sr & 0xf; sr >>= 4;
LARc[6] = sr & 0x7; sr >>= 3;
LARc[7] = sr & 0x7; sr >>= 3;
sr = *ibuf++; /* 5 */
Nc[0] = sr & 0x7f; sr >>= 7;
sr |= (word)*ibuf++ << 1;
bc[0] = sr & 0x3; sr >>= 2;
Mc[0] = sr & 0x3; sr >>= 2;
sr |= (word)*ibuf++ << 5;
xmaxc[0] = sr & 0x3f; sr >>= 6;
xmc[0] = sr & 0x7; sr >>= 3;
xmc[1] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 1;
xmc[2] = sr & 0x7; sr >>= 3;
xmc[3] = sr & 0x7; sr >>= 3;
xmc[4] = sr & 0x7; sr >>= 3;
sr = *ibuf++;
xmc[5] = sr & 0x7; sr >>= 3;
xmc[6] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 2; /* 10 */
xmc[7] = sr & 0x7; sr >>= 3;
xmc[8] = sr & 0x7; sr >>= 3;
xmc[9] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 1;
xmc[10] = sr & 0x7; sr >>= 3;
xmc[11] = sr & 0x7; sr >>= 3;
xmc[12] = sr & 0x7; sr >>= 3;
sr = *ibuf++;
Nc[1] = sr & 0x7f; sr >>= 7;
sr |= (word)*ibuf++ << 1;
bc[1] = sr & 0x3; sr >>= 2;
Mc[1] = sr & 0x3; sr >>= 2;
sr |= (word)*ibuf++ << 5;
xmaxc[1] = sr & 0x3f; sr >>= 6;
xmc[13] = sr & 0x7; sr >>= 3;
xmc[14] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 1; /* 15 */
xmc[15] = sr & 0x7; sr >>= 3;
xmc[16] = sr & 0x7; sr >>= 3;
xmc[17] = sr & 0x7; sr >>= 3;
sr = *ibuf++;
xmc[18] = sr & 0x7; sr >>= 3;
xmc[19] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 2;
xmc[20] = sr & 0x7; sr >>= 3;
xmc[21] = sr & 0x7; sr >>= 3;
xmc[22] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 1;
xmc[23] = sr & 0x7; sr >>= 3;
xmc[24] = sr & 0x7; sr >>= 3;
xmc[25] = sr & 0x7; sr >>= 3;
sr = *ibuf++;
Nc[2] = sr & 0x7f; sr >>= 7;
sr |= (word)*ibuf++ << 1; /* 20 */
bc[2] = sr & 0x3; sr >>= 2;
Mc[2] = sr & 0x3; sr >>= 2;
sr |= (word)*ibuf++ << 5;
xmaxc[2] = sr & 0x3f; sr >>= 6;
xmc[26] = sr & 0x7; sr >>= 3;
xmc[27] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 1;
xmc[28] = sr & 0x7; sr >>= 3;
xmc[29] = sr & 0x7; sr >>= 3;
xmc[30] = sr & 0x7; sr >>= 3;
sr = *ibuf++;
xmc[31] = sr & 0x7; sr >>= 3;
xmc[32] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 2;
xmc[33] = sr & 0x7; sr >>= 3;
xmc[34] = sr & 0x7; sr >>= 3;
xmc[35] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 1; /* 25 */
xmc[36] = sr & 0x7; sr >>= 3;
xmc[37] = sr & 0x7; sr >>= 3;
xmc[38] = sr & 0x7; sr >>= 3;
sr = *ibuf++;
Nc[3] = sr & 0x7f; sr >>= 7;
sr |= (word)*ibuf++ << 1;
bc[3] = sr & 0x3; sr >>= 2;
Mc[3] = sr & 0x3; sr >>= 2;
sr |= (word)*ibuf++ << 5;
xmaxc[3] = sr & 0x3f; sr >>= 6;
xmc[39] = sr & 0x7; sr >>= 3;
xmc[40] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 1;
xmc[41] = sr & 0x7; sr >>= 3;
xmc[42] = sr & 0x7; sr >>= 3;
xmc[43] = sr & 0x7; sr >>= 3;
sr = (word)*ibuf++; /* 30 */
xmc[44] = sr & 0x7; sr >>= 3;
xmc[45] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 2;
xmc[46] = sr & 0x7; sr >>= 3;
xmc[47] = sr & 0x7; sr >>= 3;
xmc[48] = sr & 0x7; sr >>= 3;
sr |= (word)*ibuf++ << 1;
xmc[49] = sr & 0x7; sr >>= 3;
xmc[50] = sr & 0x7; sr >>= 3;
xmc[51] = sr & 0x7; sr >>= 3;
GSM_Decode(&gsm_state, LARc, Nc, bc, Mc, xmaxc, xmc, &obuf[160]);
/* Return number of source bytes consumed and output samples produced */
// *icnt = 65;
// *ocnt = 320;
return;
}
#define GSM_MAGIC 0xd
void XA_GSM_Decoder(unsigned char *ibuf,unsigned short *obuf)
{ word LARc[8], Nc[4], Mc[4], bc[4], xmaxc[4], xmc[13*4];
/* Sanity */
if (((*ibuf >> 4) & 0x0F) != GSM_MAGIC)
{ int i;
for(i=0;i<160;i++) obuf[i] = 0;
// *icnt = 33;
// *ocnt = 160;
return;
}
LARc[0] = (*ibuf++ & 0xF) << 2; /* 1 */
LARc[0] |= (*ibuf >> 6) & 0x3;
LARc[1] = *ibuf++ & 0x3F;
LARc[2] = (*ibuf >> 3) & 0x1F;
LARc[3] = (*ibuf++ & 0x7) << 2;
LARc[3] |= (*ibuf >> 6) & 0x3;
LARc[4] = (*ibuf >> 2) & 0xF;
LARc[5] = (*ibuf++ & 0x3) << 2;
LARc[5] |= (*ibuf >> 6) & 0x3;
LARc[6] = (*ibuf >> 3) & 0x7;
LARc[7] = *ibuf++ & 0x7;
Nc[0] = (*ibuf >> 1) & 0x7F;
bc[0] = (*ibuf++ & 0x1) << 1;
bc[0] |= (*ibuf >> 7) & 0x1;
Mc[0] = (*ibuf >> 5) & 0x3;
xmaxc[0] = (*ibuf++ & 0x1F) << 1;
xmaxc[0] |= (*ibuf >> 7) & 0x1;
xmc[0] = (*ibuf >> 4) & 0x7;
xmc[1] = (*ibuf >> 1) & 0x7;
xmc[2] = (*ibuf++ & 0x1) << 2;
xmc[2] |= (*ibuf >> 6) & 0x3;
xmc[3] = (*ibuf >> 3) & 0x7;
xmc[4] = *ibuf++ & 0x7;
xmc[5] = (*ibuf >> 5) & 0x7;
xmc[6] = (*ibuf >> 2) & 0x7;
xmc[7] = (*ibuf++ & 0x3) << 1; /* 10 */
xmc[7] |= (*ibuf >> 7) & 0x1;
xmc[8] = (*ibuf >> 4) & 0x7;
xmc[9] = (*ibuf >> 1) & 0x7;
xmc[10] = (*ibuf++ & 0x1) << 2;
xmc[10] |= (*ibuf >> 6) & 0x3;
xmc[11] = (*ibuf >> 3) & 0x7;
xmc[12] = *ibuf++ & 0x7;
Nc[1] = (*ibuf >> 1) & 0x7F;
bc[1] = (*ibuf++ & 0x1) << 1;
bc[1] |= (*ibuf >> 7) & 0x1;
Mc[1] = (*ibuf >> 5) & 0x3;
xmaxc[1] = (*ibuf++ & 0x1F) << 1;
xmaxc[1] |= (*ibuf >> 7) & 0x1;
xmc[13] = (*ibuf >> 4) & 0x7;
xmc[14] = (*ibuf >> 1) & 0x7;
xmc[15] = (*ibuf++ & 0x1) << 2;
xmc[15] |= (*ibuf >> 6) & 0x3;
xmc[16] = (*ibuf >> 3) & 0x7;
xmc[17] = *ibuf++ & 0x7;
xmc[18] = (*ibuf >> 5) & 0x7;
xmc[19] = (*ibuf >> 2) & 0x7;
xmc[20] = (*ibuf++ & 0x3) << 1;
xmc[20] |= (*ibuf >> 7) & 0x1;
xmc[21] = (*ibuf >> 4) & 0x7;
xmc[22] = (*ibuf >> 1) & 0x7;
xmc[23] = (*ibuf++ & 0x1) << 2;
xmc[23] |= (*ibuf >> 6) & 0x3;
xmc[24] = (*ibuf >> 3) & 0x7;
xmc[25] = *ibuf++ & 0x7;
Nc[2] = (*ibuf >> 1) & 0x7F;
bc[2] = (*ibuf++ & 0x1) << 1; /* 20 */
bc[2] |= (*ibuf >> 7) & 0x1;
Mc[2] = (*ibuf >> 5) & 0x3;
xmaxc[2] = (*ibuf++ & 0x1F) << 1;
xmaxc[2] |= (*ibuf >> 7) & 0x1;
xmc[26] = (*ibuf >> 4) & 0x7;
xmc[27] = (*ibuf >> 1) & 0x7;
xmc[28] = (*ibuf++ & 0x1) << 2;
xmc[28] |= (*ibuf >> 6) & 0x3;
xmc[29] = (*ibuf >> 3) & 0x7;
xmc[30] = *ibuf++ & 0x7;
xmc[31] = (*ibuf >> 5) & 0x7;
xmc[32] = (*ibuf >> 2) & 0x7;
xmc[33] = (*ibuf++ & 0x3) << 1;
xmc[33] |= (*ibuf >> 7) & 0x1;
xmc[34] = (*ibuf >> 4) & 0x7;
xmc[35] = (*ibuf >> 1) & 0x7;
xmc[36] = (*ibuf++ & 0x1) << 2;
xmc[36] |= (*ibuf >> 6) & 0x3;
xmc[37] = (*ibuf >> 3) & 0x7;
xmc[38] = *ibuf++ & 0x7;
Nc[3] = (*ibuf >> 1) & 0x7F;
bc[3] = (*ibuf++ & 0x1) << 1;
bc[3] |= (*ibuf >> 7) & 0x1;
Mc[3] = (*ibuf >> 5) & 0x3;
xmaxc[3] = (*ibuf++ & 0x1F) << 1;
xmaxc[3] |= (*ibuf >> 7) & 0x1;
xmc[39] = (*ibuf >> 4) & 0x7;
xmc[40] = (*ibuf >> 1) & 0x7;
xmc[41] = (*ibuf++ & 0x1) << 2;
xmc[41] |= (*ibuf >> 6) & 0x3;
xmc[42] = (*ibuf >> 3) & 0x7;
xmc[43] = *ibuf++ & 0x7; /* 30 */
xmc[44] = (*ibuf >> 5) & 0x7;
xmc[45] = (*ibuf >> 2) & 0x7;
xmc[46] = (*ibuf++ & 0x3) << 1;
xmc[46] |= (*ibuf >> 7) & 0x1;
xmc[47] = (*ibuf >> 4) & 0x7;
xmc[48] = (*ibuf >> 1) & 0x7;
xmc[49] = (*ibuf++ & 0x1) << 2;
xmc[49] |= (*ibuf >> 6) & 0x3;
xmc[50] = (*ibuf >> 3) & 0x7;
xmc[51] = *ibuf & 0x7; /* 33 */
GSM_Decode(&gsm_state, LARc, Nc, bc, Mc, xmaxc, xmc, obuf);
/* Return number of source bytes consumed and output samples produced */
// *icnt = 33;
// *ocnt = 160;
}

26
libmpcodecs/native/xa_gsm.h
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@ -1,26 +0,0 @@
/*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPLAYER_XA_GSM_H
#define MPLAYER_XA_GSM_H
void XA_MSGSM_Decoder(unsigned char *ibuf,unsigned short *obuf);
void XA_GSM_Decoder(unsigned char *ibuf,unsigned short *obuf);
void GSM_Init(void);
#endif /* MPLAYER_XA_GSM_H */

134
libmpcodecs/native/xa_gsm_int.h
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@ -1,134 +0,0 @@
/********************************************************************
*
* Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
* Universitaet Berlin. See the accompanying file "COPYRIGHT" for
* details. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
*
* The contents of the file COPYRIGHT:
*
* Any use of this software is permitted provided that this notice is not
* removed and that neither the authors nor the Technische Universitaet Berlin
* are deemed to have made any representations as to the suitability of this
* software for any purpose nor are held responsible for any defects of
* this software. THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
*
* As a matter of courtesy, the authors request to be informed about uses
* this software has found, about bugs in this software, and about any
* improvements that may be of general interest.
*
* Berlin, 15.09.1992
* Jutta Degener
* Carsten Bormann
*
********************************************************************/
#ifndef MPLAYER_XA_GSM_INT_H
#define MPLAYER_XA_GSM_INT_H
#include "xa_gsm.h"
typedef short word; /* 16 bit signed int */
typedef int longword; /* 32 bit signed int */
typedef unsigned short uword; /* unsigned word */
typedef unsigned int ulongword; /* unsigned longword */
typedef struct {
word dp0[ 280 ];
word z1; /* preprocessing.c, Offset_com. */
longword L_z2; /* Offset_com. */
int mp; /* Preemphasis */
word u[8]; /* short_term_aly_filter.c */
word LARpp[2][8]; /* */
word j; /* */
word ltp_cut; /* long_term.c, LTP crosscorr. */
word nrp; /* 40 */ /* long_term.c, synthesis */
word v[9]; /* short_term.c, synthesis */
word msr; /* decoder.c, Postprocessing */
char verbose; /* only used if !NDEBUG */
char fast; /* only used if FAST */
char wav_fmt; /* only used if WAV49 defined */
unsigned char frame_index; /* odd/even chaining */
unsigned char frame_chain; /* half-byte to carry forward */
} XA_GSM_STATE;
#define MIN_WORD (-32767 - 1)
#define MAX_WORD 32767
#define MIN_LONGWORD (-2147483647 - 1)
#define MAX_LONGWORD 2147483647
#ifdef SASR /* flag: >> is a signed arithmetic shift right */
#undef SASR
#define SASR(x, by) ((x) >> (by))
#else
#define SASR(x, by) ((x) >= 0 ? (x) >> (by) : (~(-((x) + 1) >> (by))))
#endif /* SASR */
/*
* Inlined functions from add.h
*/
/*
* #define GSM_MULT_R(a, b) (* word a, word b, !(a == b == MIN_WORD) *) \
* (0x0FFFF & SASR(((longword)(a) * (longword)(b) + 16384), 15))
*/
#define GSM_MULT_R(a, b) /* word a, word b, !(a == b == MIN_WORD) */ \
(SASR( ((longword)(a) * (longword)(b) + 16384), 15 ))
# define GSM_MULT(a,b) /* word a, word b, !(a == b == MIN_WORD) */ \
(SASR( ((longword)(a) * (longword)(b)), 15 ))
# define GSM_L_MULT(a, b) /* word a, word b */ \
(((longword)(a) * (longword)(b)) << 1)
# define GSM_L_ADD(a, b) \
( (a) < 0 ? ( (b) >= 0 ? (a) + (b) \
: (utmp = (ulongword)-((a) + 1) + (ulongword)-((b) + 1)) \
>= MAX_LONGWORD ? MIN_LONGWORD : -(longword)utmp-2 ) \
: ((b) <= 0 ? (a) + (b) \
: (utmp = (ulongword)(a) + (ulongword)(b)) >= MAX_LONGWORD \
? MAX_LONGWORD : utmp))
/*
* # define GSM_ADD(a, b) \
* ((ltmp = (longword)(a) + (longword)(b)) >= MAX_WORD \
* ? MAX_WORD : ltmp <= MIN_WORD ? MIN_WORD : ltmp)
*/
/* Nonportable, but faster: */
#define GSM_ADD(a, b) \
((ulongword)((ltmp = (longword)(a) + (longword)(b)) - MIN_WORD) > \
MAX_WORD - MIN_WORD ? (ltmp > 0 ? MAX_WORD : MIN_WORD) : ltmp)
# define GSM_SUB(a, b) \
((ltmp = (longword)(a) - (longword)(b)) >= MAX_WORD \
? MAX_WORD : ltmp <= MIN_WORD ? MIN_WORD : ltmp)
# define GSM_ABS(a) ((a) < 0 ? ((a) == MIN_WORD ? MAX_WORD : -(a)) : (a))
/* Use these if necessary:
# define GSM_MULT_R(a, b) gsm_mult_r(a, b)
# define GSM_MULT(a, b) gsm_mult(a, b)
# define GSM_L_MULT(a, b) gsm_L_mult(a, b)
# define GSM_L_ADD(a, b) gsm_L_add(a, b)
# define GSM_ADD(a, b) gsm_add(a, b)
# define GSM_SUB(a, b) gsm_sub(a, b)
# define GSM_ABS(a) gsm_abs(a)
*/
#endif /* MPLAYER_XA_GSM_INT_H */