WSJT-X/lib/jt65.f90
Bill Somerville 26e5ea963e Make WAV file reading correct so that optional chunks can be tolerated
The WAV file format allows for optional header content, allow for this
in preparation for adding some metadata to WSJT-X recorded WAV files.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6335 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2016-01-02 14:29:02 +00:00

125 lines
3.6 KiB
Fortran

program jt65
! Test the JT65 decoder for WSJT-X
use options
use timer_module, only: timer
use timer_impl, only: init_timer
use jt65_test
use readwav
character c
logical :: display_help=.false.,nrobust=.false.
type(wav_header) :: wav
integer*2 id2(NZMAX)
real*4 dd(NZMAX)
character*80 infile
character(len=500) optarg
character*12 mycall,hiscall
character*6 hisgrid
type (option) :: long_options(10) = [ &
option ('aggressive',.true.,'a','aggressiveness [0-10], default AGGR=0','AGGR'), &
option ('freq',.true.,'f','signal frequency, default FREQ=1270','FREQ'), &
option ('help',.false.,'h','Display this help message',''), &
option ('ntrials',.true.,'n','number of trials, default TRIALS=10000','TRIALS'), &
option ('robust-sync',.false.,'r','robust sync',''), &
option ('my-call',.true.,'c','my callsign',''), &
option ('his-call',.true.,'x','his callsign',''), &
option ('his-grid',.true.,'g','his grid locator',''), &
option ('experience-decoding',.true.,'X' &
,'experience decoding options (1..n), default FLAGS=0','FLAGS'), &
option ('single-signal-mode',.false.,'s','decode at signal frequency only','') ]
naggressive=0
nfqso=1270
ntrials=10000
nexp_decoded=0
ntol=1000
nsubmode=0
nlow=200
nhigh=4000
n2pass=2
do
call getopt('a:f:hn:rc:x:g:X:s',long_options,c,optarg,narglen,nstat,noffset,nremain,.true.)
if( nstat .ne. 0 ) then
exit
end if
select case (c)
case ('a')
read (optarg(:narglen), *) naggressive
case ('f')
read (optarg(:narglen), *) nfqso
case ('h')
display_help = .true.
case ('n')
read (optarg(:narglen), *) ntrials
case ('r')
nrobust=.true.
case ('c')
read (optarg(:narglen), *) mycall
case ('x')
read (optarg(:narglen), *) hiscall
case ('g')
read (optarg(:narglen), *) hisgrid
case ('X')
read (optarg(:narglen), *) nexp_decoded
case ('s')
nlow=nfqso-ntol
nhigh=nfqso+ntol
n2pass=1
end select
end do
if(display_help .or. nstat.lt.0 .or. nremain.lt.1) then
print *, ''
print *, 'Usage: jt65 [OPTIONS] file1 [file2 ...]'
print *, ''
print *, ' JT65 decode pre-recorded .WAV file(s)'
print *, ''
print *, 'OPTIONS:'
print *, ''
do i = 1, size (long_options)
call long_options(i) % print (6)
end do
go to 999
endif
call init_timer ('timer.out')
call timer('jt65 ',0)
ndecoded=0
do ifile=noffset+1,noffset+nremain
nfa=nlow
nfb=nhigh
minsync=0
call get_command_argument(ifile,optarg,narglen)
infile=optarg(:narglen)
call timer('read ',0)
call wav%read (infile)
i1=index(infile,'.wav')
if( i1 .eq. 0 ) i1=index(infile,'.WAV')
read(infile(i1-4:i1-1),*,err=998) nutc
npts=52*12000
read(unit=wav%lun) id2(1:npts)
close(unit=wav%lun)
call timer('read ',1)
dd(1:npts)=id2(1:npts)
dd(npts+1:)=0.
call test(dd,nutc,nfa,nfb,nfqso,ntol,nsubmode, &
n2pass,nrobust,ntrials,naggressive, &
mycall,hiscall,hisgrid,nexp_decoded)
enddo
call timer('jt65 ',1)
call timer('jt65 ',101)
! call four2a(a,-1,1,1,1) !Free the memory used for plans
! call filbig(a,-1,1,0.0,0,0,0,0,0) ! (ditto)
go to 999
998 print*,'Cannot read from file:'
print*,infile
999 continue
end program jt65