/*====================================================================================
EVS Codec 3GPP TS26.442 Jun 30, 2015. Version CR 26.442-0010
====================================================================================*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "options.h" /* Compilation switches */
#include "stl.h"
#include "cnst_fx.h" /* Common constants */
#include "prot_fx.h" /* Function prototypes */
#include "disclaimer.h" /*for disclaimer*/
#include "basop_util.h"
#include "mime.h"
#include <assert.h>
/* WMC_TOOL_SKIP_FILE */
/*---------------------------------------------------------------------*
* Local functions
*---------------------------------------------------------------------*/
static void usage_dec(void);
static char *to_upper( char *str );
static char * bit_rate_to_string(char *string, Word32 bit_rate)
{
char *src, *dst;
assert(bit_rate >= 100);
src = string + sprintf(string, "%i", bit_rate);
/* Insert a '.' before last two digits and remove last digit */
/* What we want is to print %.2f of bit_rate/1000.0 */
dst = src--;
*--dst = *--src;
*--dst = *--src;
*--dst = '.';
return string;
}
/*---------------------------------------------------------------------*
* io_ini_dec()
*
* Processing of command line parameters
*---------------------------------------------------------------------*/
void io_ini_dec_fx(
const int argc, /* i : command line arguments number */
char *argv[], /* i : command line arguments */
FILE **f_stream, /* o : input bitstream file */
FILE **f_synth, /* o : output synthesis file */
Word16 *quietMode, /* o : limited printouts */
Word16 *noDelayCmp, /* o : turn off delay compensation */
Decoder_State_fx *st_fx, /* o : Decoder static variables structure */
#ifdef SUPPORT_JBM_TRACEFILE
char **jbmTraceFileName, /* o : VOIP tracefilename */
#endif
char **jbmFECoffsetFileName /* : Output file for Optimum FEC offset */
)
{
short i;
char stmp[50];
Word16 evs_magic, amrwb_magic;
char bit_rate_string[14];
print_disclaimer(stderr);
/*-----------------------------------------------------------------*
* Initialization
*-----------------------------------------------------------------*/
i = 1;
*f_synth = NULL;
*f_stream = NULL;
st_fx->Opt_AMR_WB_fx = 0;
st_fx->Opt_VOIP_fx = 0;
set_zero_Word8((Word8 *)stmp, sizeof(stmp));
st_fx->bitstreamformat = G192;
st_fx->amrwb_rfc4867_flag = -1;
IF ( argc <= 1 )
{
usage_dec();
}
/*-----------------------------------------------------------------*
* Optional input arguments
*-----------------------------------------------------------------*/
WHILE ( i < argc-3 )
{
/*-----------------------------------------------------------------*
* VOIP mode
*-----------------------------------------------------------------*/
IF ( strcmp( to_upper(argv[i]), "-VOIP") == 0)
{
st_fx->Opt_VOIP_fx = 1;
move16();
i += 1;
}
#ifdef SUPPORT_JBM_TRACEFILE
/*-----------------------------------------------------------------*
* VOIP Tracefile
*-----------------------------------------------------------------*/
ELSE IF ( strcmp( to_upper(argv[i]), "-TRACEFILE" ) == 0 )
{
*jbmTraceFileName = argv[i+1];
i = i + 2;
}
#endif
/*-----------------------------------------------------------------*
* FEC offset file
*-----------------------------------------------------------------*/
ELSE IF ( strcmp( to_upper(argv[i]), "-FEC_CFG_FILE" ) == 0 )
{
st_fx->writeFECoffset = 1;
*jbmFECoffsetFileName = argv[i+1];
i = i + 2;
}
/*-----------------------------------------------------------------*
* Quiet mode
*-----------------------------------------------------------------*/
ELSE IF ( strcmp( to_upper(argv[i]), "-Q" ) == 0 )
{
*quietMode = 1;
move16();
i++;
}
/*-----------------------------------------------------------------*
* deactivate delay compensation
*-----------------------------------------------------------------*/
ELSE IF ( strcmp( to_upper(argv[i]), "-NO_DELAY_CMP" ) == 0 )
{
*noDelayCmp = 1;
i++;
}
/*-----------------------------------------------------------------*
* MIME input file format
*-----------------------------------------------------------------*/
ELSE IF( strcmp( to_upper(argv[i]), "-MIME" ) == 0 )
{
st_fx->bitstreamformat = MIME;
st_fx->amrwb_rfc4867_flag = 0;
i++;
}
/*-----------------------------------------------------------------*
* Option not recognized
*-----------------------------------------------------------------*/
ELSE
{
fprintf(stderr, "Error: Unknown option %s\n\n", argv[i]);
usage_dec();
}
} /* end of while */
/*-----------------------------------------------------------------*
* Mandatory input arguments
*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*
* Output sampling frequency
*-----------------------------------------------------------------*/
if( i < argc - 2 )
{
st_fx->output_Fs_fx = (int)atoi( argv[i] ) * 1000;
if( st_fx->output_Fs_fx != 8000 && st_fx->output_Fs_fx != 16000 && st_fx->output_Fs_fx != 32000 && st_fx->output_Fs_fx != 48000 )
{
fprintf(stderr, "Error: %d kHz is not a supported sampling rate\n\n", atoi( argv[i] ) );
usage_dec();
}
i++;
}
else
{
fprintf (stderr, "Error: Sampling rate is not specified\n\n");
usage_dec();
}
/*-----------------------------------------------------------------*
* Input bitstream file
*-----------------------------------------------------------------*/
if( i < argc - 1 )
{
if ( (*f_stream = fopen(argv[i], "rb")) == NULL)
{
fprintf(stderr,"Error: input bitstream file %s cannot be opened\n\n", argv[i]);
usage_dec();
}
/* If MIME/storage format selected, scan for the magic number at the beginning of the bitstream file */
if( st_fx->bitstreamformat == MIME )
{
char buf[13];
evs_magic = 1 ;
amrwb_magic = 1;
fgets(buf,13,*f_stream);
/* verify AMRWB magic number */
if ( strncmp(buf, AMRWB_MAGIC_NUMBER, strlen(AMRWB_MAGIC_NUMBER)))
{
amrwb_magic = 0;
}
if ( strncmp(buf, EVS_MAGIC_NUMBER, strlen(EVS_MAGIC_NUMBER))) /* strncmp safer than strcmp */
{
evs_magic = 0;
}
if( evs_magic != 0 )
{
if ((fread(&buf,sizeof(char), 4, *f_stream) != 4 ) || !((buf[3] == 1) && (buf[2] == 0) && (buf[1] == 0) && (buf[0] == 0)) )
{
fprintf(stderr, "Error: input bitstream file %s specifies unsupported number of evs audio channels\n\n",argv[i]);
usage_dec();
}
}
if( evs_magic == 0 && amrwb_magic == 0 )
{
/* no valid MIME magic number */
fprintf(stderr, "Error: input bitstream file %s specifies unsupported MIME magic number (%13s) \n\n",argv[i],buf );
usage_dec();
}
if( evs_magic )
{
fprintf( stderr, "Found MIME Magic number %s\n", EVS_MAGIC_NUMBER );
st_fx->amrwb_rfc4867_flag = 0;
}
else
{
fprintf( stderr, "Found MIME Magic number %s\n",AMRWB_MAGIC_NUMBER );
st_fx->amrwb_rfc4867_flag = 1;
}
}
else if( st_fx->Opt_VOIP_fx == 0 )
{
/* G.192 format .... preread the G.192 sync header */
UWord16 utmp;
if ( fread( &utmp, sizeof(unsigned short), 1, *f_stream ) != 1 )
{
/* error during pre-reading */
if( ferror( *f_stream ) )
{
fprintf(stderr, "Error: input G.192 bitstream file %s , can not be read \n\n",argv[i] );
}
else
{
fprintf(stderr, "Error: input G.192 bitstream file %s , has zero size, can not be read \n\n",argv[i] );
}
usage_dec();
}
if( (sub(utmp, SYNC_GOOD_FRAME) != 0) && (sub(utmp, SYNC_BAD_FRAME) != 0) )
{
/* check for a valid first G.192 synch word in Sync Header */
fprintf(stderr, "Error: input bitstream file %s does not have a valid G.192 synch word value \n\n",argv[i]);
usage_dec();
}
/* now rewind the G.192 bitstream file */
fseek( *f_stream , 0L, SEEK_SET );
}
/* JBM format */
fprintf( stderr, "Input bitstream file: %s\n", argv[i]);
i++;
}
else
{
fprintf (stderr, "Error: no input bitstream file specified\n\n");
usage_dec();
}
/*-----------------------------------------------------------------*
* Output synthesis file
*-----------------------------------------------------------------*/
if( i < argc )
{
if ( (*f_synth = fopen(argv[i], "wb")) == NULL )
{
fprintf( stderr, "Error: ouput synthesis file %s cannot be opened\n\n", argv[i] );
usage_dec();
}
fprintf( stdout, "Output synthesis file: %s\n", argv[i] );
i++;
}
else
{
fprintf( stderr, "Error: no output synthesis file specified\n\n" );
usage_dec();
}
fprintf( stdout, "\n" );
if( !st_fx->Opt_VOIP_fx )
{
/*-----------------------------------------------------------------*
* Read information from bitstream
*-----------------------------------------------------------------*/
if( st_fx->bitstreamformat == G192 )
{
read_indices_fx( st_fx, *f_stream, 1 ); /* rew_flag == 1 , reads future frames */
}
else
{
read_indices_mime( st_fx, *f_stream, 1 ); /* rew_flag == 1 , checks only very first frame */
if( st_fx->amrwb_rfc4867_flag != 0 )
{
fseek(*f_stream,strlen(AMRWB_MAGIC_NUMBER),SEEK_SET); /* restart after 9 bytes */
}
else
{
fseek(*f_stream,strlen(EVS_MAGIC_NUMBER)+4, SEEK_SET); /* restart after 16 bytes */
}
}
/*-----------------------------------------------------------------*
* Print info on screen
*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*
* Print output sampling frequency
*-----------------------------------------------------------------*/
fprintf( stdout, "Output sampling rate: %d Hz\n", st_fx->output_Fs_fx );
/*-----------------------------------------------------------------*
* Print bitrate
*-----------------------------------------------------------------*/
fprintf( stdout, "Bitrate: %s kbps\n", bit_rate_to_string(bit_rate_string, st_fx->total_brate_fx) );
}
return;
}
/*---------------------------------------------------------------------*
* to_upper()
*
* Capitalize all letters of a string.
* (normally to_upper() function would be used but it does not work in Unix)
*---------------------------------------------------------------------*/
static char *to_upper( char *str )
{
short i;
char *p = str;
i = 0;
while (str[i] != 0)
{
if (str[i] >= 'a' && str[i] <= 'z') str[i] -= 0x20;
i++;
}
return p;
}
static void usage_dec( void )
{
fprintf(stdout,"Usage : EVS_dec.exe [Options] Fs bitstream_file output_file\n\n");
fprintf(stdout,"Mandatory parameters:\n");
fprintf(stdout,"---------------------\n");
fprintf(stdout,"Fs : Output sampling rate in kHz (8, 16, 32 or 48)\n");
fprintf(stdout,"bitstream_file : Input bitstream filename or RTP packet filename (in VOIP mode)\n");
fprintf(stdout,"output_file : Output speech filename \n\n");
fprintf(stdout,"Options:\n");
fprintf(stdout,"--------\n");
fprintf(stdout, "-VOIP : VOIP mode,\n");
#ifdef SUPPORT_JBM_TRACEFILE
fprintf(stdout, "-Tracefile TF : Generate trace file named TF,\n");
#endif
fprintf(stdout, "-no_delay_cmp : Turn off delay compensation\n");
fprintf(stdout, "-fec_cfg_file : Output of the channel aware configuration. The outptut is \n");
fprintf(stdout, " written into a .txt file. Each line contains the FER indicator \n");
fprintf(stdout, " (HI|LO) and optimum FEC offset. \n");
fprintf(stdout, "-mime : Mime input bitstream file format\n");
fprintf(stdout, " The decoder reads both TS26.445 Annex.2.6 and RFC4867 Mime Storage Format,\n");
fprintf(stdout, " the magic word in the mime input file is used to determine the format.\n");
fprintf(stdout, " default input bitstream file format is G.192\n");
fprintf(stdout, "-q : Quiet mode, no frame counter\n");
fprintf(stdout, " default is OFF\n");
fprintf(stdout, "\n");
exit(-1);
}