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bv.c
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bv.c
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/*****************************************************************************/
/* BroadVoice(R)16 (BV16) Floating-Point ANSI-C Source Code */
/* Revision Date: October 5, 2012 */
/* Version 1.2 */
/*****************************************************************************/
/*****************************************************************************/
/* Copyright 2000-2012 Broadcom Corporation */
/* */
/* This software is provided under the GNU Lesser General Public License, */
/* version 2.1, as published by the Free Software Foundation ("LGPL"). */
/* This program is distributed in the hope that it will be useful, but */
/* WITHOUT ANY SUPPORT OR WARRANTY; without even the implied warranty of */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the LGPL for */
/* more details. A copy of the LGPL is available at */
/* http://www.broadcom.com/licenses/LGPLv2.1.php, */
/* or by writing to the Free Software Foundation, Inc., */
/* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*****************************************************************************/
/*****************************************************************************
bv.c : BroadVoice16 Codec Entry Interface Program
$Log$
******************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "typedef.h"
#include "bv16cnst.h"
#include "bvcommon.h"
#include "bv16strct.h"
#include "bv16.h"
#include "utility.h"
#if G192BITSTREAM
#include "g192.h"
#else
#include "bitpack.h"
#endif
int frame;
short bfi=0;
void usage(char *name)
{
fprintf(stderr,"usage: %s enc|dec input output\n", name);
fprintf(stderr,"\nFormat for speech_file:\n Binary file of 8 kHz sampled 16-bit PCM data.\n");
#if G192BITSTREAM
fprintf(stderr,"\nFormat for bitstream_file per frame: ITU-T G.192 format\n\
One (2-byte) synchronization word [0x6B21],\n\
One (2-byte) size word,\n\
160 words (2-byte) containing 160 bits.\n\n");
#else
fprintf(stderr, "\nFormat for bitstream_file per frame: Packed Bits\n");
#endif
exit(1);
}
int main(int argc, char **argv)
{
FILE *fi, *fo, *fbdi=NULL;
int enc=1;
int nread, i;
short x[FRSZ];
struct BV16_Bit_Stream bs;
struct BV16_Encoder_State cs;
struct BV16_Decoder_State ds;
#if !G192BITSTREAM
UWord8 PackedStream[10];
#endif
int next_bad_frame=-1;
fprintf(stderr,"/***************************************************************************/\n");
fprintf(stderr,"/* BroadVoice(R)16, Copyright (c) 2000-12, Broadcom Corporation. */\n");
fprintf(stderr,"/* All Rights Reserved. */\n");
fprintf(stderr,"/* */\n");
fprintf(stderr,"/* This software is provided under the GNU Lesser General Public License, */\n");
fprintf(stderr,"/* version 2.1, as published by the Free Software Foundation (\"LGPL\"). */\n");
fprintf(stderr,"/* This program is distributed in the hope that it will be useful, but */\n");
fprintf(stderr,"/* WITHOUT ANY SUPPORT OR WARRANTY; without even the implied warranty of */\n");
fprintf(stderr,"/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the LGPL for */\n");
fprintf(stderr,"/* more details. A copy of the LGPL is available at */\n");
fprintf(stderr,"/* http://www.broadcom.com/licenses/LGPLv2.1.php, */\n");
fprintf(stderr,"/* or by writing to the Free Software Foundation, Inc., */\n");
fprintf(stderr,"/* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */\n");
fprintf(stderr,"/***************************************************************************/\n");
if ((argc!=4)&&(argc!=5)) usage(argv[0]);
if (!strcmp(argv[1],"enc")) enc=1;
else if (!strcmp(argv[1],"dec")) enc=0;
else usage(argv[0]);
if (!(fi=fopen(argv[2],"rb")))
{
fprintf(stderr,"error: can't read %s\n", argv[2]);
exit(2);
}
if (!(fo=fopen(argv[3],"wb")))
{
fprintf(stderr,"error: can't write to %s\n", argv[3]);
exit(3);
}
if (argc==5)
{
if (!(fbdi=fopen(argv[4],"rb")))
{
fprintf(stderr,"error: can't read %s\n", argv[4]);
exit(3);
}
}
if (!strcmp(argv[1],"enc"))
{
Reset_BV16_Encoder(&cs);
}
else
{
Reset_BV16_Decoder(&ds);
}
if (enc){
#if G192BITSTREAM
fprintf(stderr," BroadVoice16 Floating-Point Encoder V1.2 with ITU-T G.192\n");
#else
fprintf(stderr," BroadVoice16 Floating-Point Encoder V1.2 with packed bit-stream\n");
#endif
fprintf(stderr," Input speech file : %s\n",argv[2]);
fprintf(stderr," Output bit-stream file: %s\n",argv[3]);
}
else{
#if G192BITSTREAM
fprintf(stderr," BroadVoice16 Floating-Point Decoder V1.2 with ITU-T G.192\n");
#else
fprintf(stderr," BroadVoice16 Floating-Point Decoder V1.2 with packed bit-stream\n");
#endif
fprintf(stderr," Input bit-stream file : %s\n",argv[2]);
fprintf(stderr," Output speech file : %s\n",argv[3]);
}
/* START THE MAIN FRAME LOOP */
frame=0;
/* read for the 1st bad frame */
if (fbdi!=NULL)
fscanf(fbdi,"%d", &next_bad_frame);
while (1)
{
/* FRAME COUNTER */
frame++;
/* READ IN ONE SPEECH FRAME */
if (enc==1)
{
nread=fread(x, sizeof(short), FRSZ, fi);
if (nread<=0) goto End;
for (i=nread;i<FRSZ;i++) x[i] = 0;
}
else
{
#if G192BITSTREAM
nread = bv16_fread_g192bitstrm(&bs, fi);
#else
nread = fread( PackedStream, sizeof(UWord8), 10, fi);
BV16_BitUnPack ( PackedStream, &bs );
#endif
if (nread<=0) goto End;
if (frame==next_bad_frame)
{
fscanf(fbdi,"%d", &next_bad_frame);
bfi = 1;
}
}
/* G.BRCM CODING */
if (enc==1)
{
BV16_Encode(&bs, &cs, x);
#if G192BITSTREAM
bv16_fwrite_g192bitstrm(&bs,fo);
#else
BV16_BitPack( PackedStream, &bs );
fwrite(PackedStream, sizeof(UWord8), 10, fo);
#endif
}
else
{
if (!bfi)
BV16_Decode(&bs, &ds, x);
else
{
BV16_PLC(&ds,x);
}
fwrite(x, sizeof(short), FRSZ, fo);
}
if (((frame/100)*100)==frame) fprintf(stderr, "\r %d %d-sample frames processed.", frame, FRSZ);
bfi = 0;
} /* END OF FRAME LOOP */
End: ;
frame--;
fprintf(stderr, "\r %d 40-sample frames processed.\n", frame);
fclose(fi);
fclose(fo);
if (fbdi!=NULL)
fclose(fbdi);
fprintf(stderr, "\n\n");
return 0;
}