static void
bus_print(const char *format, ...)
{
va_list arg;
if (config_get_verbose() == 0) {
return;
}
va_start(arg, format);
vfprintf(stdout, format, arg);
va_end(arg);
}
int main( int argc, char **argv )
{
config_t *cfg;
station_mgr_t *stationmgr = 0;
videoinput_t *vidin;
int fi, on, tuned;
int f, f1, f2, fc;
int verbose, norm;
int curstation = 1;
char error_string[ 4096 ];
/*
* Setup i18n. This has to be done as early as possible in order
* to show startup messages in the users preferred language.
*/
setup_i18n();
cfg = config_new();
if( !cfg ) {
fprintf( stderr, _("%s: Cannot allocate memory.\n"), argv[ 0 ] );
return 1;
}
if( !config_parse_tvtime_scanner_command_line( cfg, argc, argv ) ) {
config_delete( cfg );
return 1;
}
verbose = config_get_verbose( cfg );
if( !strcasecmp( config_get_v4l_norm( cfg ), "pal" ) ) {
norm = VIDEOINPUT_PAL;
} else if( !strcasecmp( config_get_v4l_norm( cfg ), "secam" ) ) {
norm = VIDEOINPUT_SECAM;
} else if( !strcasecmp( config_get_v4l_norm( cfg ), "pal-nc" ) ) {
norm = VIDEOINPUT_PAL_NC;
} else if( !strcasecmp( config_get_v4l_norm( cfg ), "pal-m" ) ) {
norm = VIDEOINPUT_PAL_M;
} else if( !strcasecmp( config_get_v4l_norm( cfg ), "pal-n" ) ) {
norm = VIDEOINPUT_PAL_N;
} else if( !strcasecmp( config_get_v4l_norm( cfg ), "ntsc-jp" ) ) {
norm = VIDEOINPUT_NTSC_JP;
} else if( !strcasecmp( config_get_v4l_norm( cfg ), "pal-60" ) ) {
norm = VIDEOINPUT_PAL_60;
} else {
/* Only allow NTSC otherwise. */
norm = VIDEOINPUT_NTSC;
}
fprintf( stderr, _("Scanning using TV standard %s.\n"),
videoinput_get_norm_name( norm ) );
stationmgr = station_new( videoinput_get_norm_name( norm ),
"Custom", 0, verbose );
if( !stationmgr ) {
lfprintf( stderr, _("%s: Cannot allocate memory.\n"), argv[ 0 ] );
config_delete( cfg );
return 1;
}
vidin = videoinput_new( config_get_v4l_device( cfg ),
config_get_inputwidth( cfg ),
config_get_audio_boost( cfg ),
norm, verbose, error_string );
if( !vidin ) {
station_delete( stationmgr );
config_delete( cfg );
return 1;
} else {
videoinput_set_input_num( vidin, config_get_inputnum( cfg ) );
}
if( !videoinput_has_tuner( vidin ) ) {
fprintf( stderr, _("\n"
" No tuner found on input %d. If you have a tuner, please\n"
" select a different input using --input=<num>.\n\n"),
config_get_inputnum( cfg ) );
videoinput_delete( vidin );
station_delete( stationmgr );
config_delete( cfg );
return 1;
}
/* Scan freqnencies */
fprintf( stderr, _("Scanning from %6.2f MHz to %6.2f MHz.\n"),
44.0, 958.0 );
on = 0;
fc = 0;
f1 = 0;
f2 = 0;
fi = -1;
for( f = 44*16; f <= 958*16; f += 4 ) {
char stationmhz[ 128 ];
fprintf( stderr, _("Checking %6.2f MHz:"), ((double) f) / 16.0 );
videoinput_set_tuner_freq( vidin, (f * 1000) / 16 );
usleep( 200000 ); /* 0.2 sec */
tuned = videoinput_freq_present( vidin );
/* state machine */
if( 0 == on && 0 == tuned ) {
fprintf( stderr, " - %-30s\r", _("No signal") );
continue;
}
if( 0 == on && 0 != tuned ) {
fprintf( stderr, " + %-30s\r", _("Signal detected") );
f1 = f;
/* if( i != chancount ) { fi = i; fc = f; } */
on = 1;
continue;
}
if( 0 != on && 0 != tuned ) {
fprintf( stderr, " * %-30s\r", _("Signal detected") );
/* if( i != chancount ) { fi = i; fc = f; } */
continue;
}
/* if (on != 0 && 0 == tuned) -- found one, read name from vbi */
f2 = f;
if( 0 == fc ) {
fc = (f1 + f2) / 2;
/* Round to the nearest .25MHz */
fc = ((fc + 2)/4)*4;
}
fprintf( stderr, "\r" );
fprintf( stderr, _("Found a channel at %6.2f MHz (%.2f - %.2f MHz), "
"adding to channel list.\n"),
((double) fc) / 16.0, ((double) f1) / 16.0,
((double) f2) / 16.0 );
sprintf( stationmhz, "%.2fMHz", ((double) fc) / 16.0 );
station_add( stationmgr, curstation, "Custom", stationmhz, stationmhz );
station_writeconfig( stationmgr );
curstation++;
on = 0;
fc = 0;
f1 = 0;
f2 = 0;
fi = -1;
}
station_delete( stationmgr );
config_delete( cfg );
return 0;
}
