WSJT-X/lib/decoder.f90

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Fortran
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subroutine decoder(ss,id2,params,nfsample)
use prog_args
!$ use omp_lib
include 'jt9com.f90'
real ss(184,NSMAX)
logical baddata
integer*2 id2(NTMAX*12000)
type(params_block) :: params
real*4 dd(NTMAX*12000)
common/tracer/limtrace,lu
integer onlevel(0:10)
common/tracer_priv/level,onlevel
!$omp threadprivate(/tracer_priv/)
save
if(mod(params%nranera,2).eq.0) ntrials=10**(params%nranera/2)
if(mod(params%nranera,2).eq.1) ntrials=3*10**(params%nranera/2)
if(params%nranera.eq.0) ntrials=0
rms=sqrt(dot_product(float(id2(300000:310000)), &
float(id2(300000:310000)))/10000.0)
if(rms.lt.2.0) go to 800
if (params%nagain .eq. 0) then
open(13,file=trim(temp_dir)//'/decoded.txt',status='unknown')
else
open(13,file=trim(temp_dir)//'/decoded.txt',status='unknown', &
position='append')
end if
if(params%nmode.eq.4 .or. params%nmode.eq.65) open(14,file=trim(temp_dir)//'/avemsg.txt', &
status='unknown')
if(params%nmode.eq.4) then
jz=52*nfsample
if(params%newdat.ne.0) then
if(nfsample.eq.12000) call wav11(id2,jz,dd)
if(nfsample.eq.11025) dd(1:jz)=id2(1:jz)
endif
call jt4a(dd,jz,params%nutc,params%nfqso,params%ntol,params%emedelay,params%dttol, &
params%nagain,params%ndepth,params%nclearave,params%minsync,params%minw, &
params%nsubmode,params%mycall,params%hiscall,params%hisgrid, &
params%nlist,params%listutc)
go to 800
endif
npts65=52*12000
if(baddata(id2,npts65)) then
nsynced=0
ndecoded=0
go to 800
endif
ntol65=params%ntol !### is this OK? ###
newdat65=params%newdat
newdat9=params%newdat
!$ call omp_set_dynamic(.true.)
!$omp parallel sections num_threads(2) copyin(/tracer_priv/) shared(ndecoded) if(.true.) !iif() needed on Mac
!$omp section
if(params%nmode.eq.65 .or. (params%nmode.eq.(65+9) .and. params%ntxmode.eq.65)) then
! We're in JT65 mode, or should do JT65 first
if(newdat65.ne.0) dd(1:npts65)=id2(1:npts65)
nf1=params%nfa
nf2=params%nfb
call timer('jt65a ',0)
call jt65a(dd,npts65,newdat65,params%nutc,nf1,nf2,params%nfqso,ntol65,params%nsubmode, &
params%minsync,params%nagain,params%n2pass,params%nrobust,ntrials,params%naggressive, &
params%ndepth,params%mycall,params%hiscall,params%hisgrid,params%nexp_decode,ndecoded)
call timer('jt65a ',1)
else if(params%nmode.eq.9 .or. (params%nmode.eq.(65+9) .and. params%ntxmode.eq.9)) then
! We're in JT9 mode, or should do JT9 first
call timer('decjt9 ',0)
call decjt9(ss,id2,params%nutc,params%nfqso,newdat9,params%npts8,params%nfa,params%nfsplit, &
params%nfb,params%ntol,params%nzhsym,params%nagain,params%ndepth,params%nmode)
call timer('decjt9 ',1)
endif
!$omp section
if(params%nmode.eq.(65+9)) then !Do the other mode (we're in dual mode)
if (params%ntxmode.eq.9) then
if(newdat65.ne.0) dd(1:npts65)=id2(1:npts65)
nf1=params%nfa
nf2=params%nfb
call timer('jt65a ',0)
call jt65a(dd,npts65,newdat65,params%nutc,nf1,nf2,params%nfqso,ntol65,params%nsubmode, &
params%minsync,params%nagain,params%n2pass,params%nrobust,ntrials, &
params%naggressive,params%ndepth,params%mycall,params%hiscall,params%hisgrid, &
params%nexp_decode,ndecoded)
call timer('jt65a ',1)
else
call timer('decjt9 ',0)
call decjt9(ss,id2,params%nutc,params%nfqso,newdat9,params%npts8,params%nfa,params%nfsplit, &
params%nfb,params%ntol,params%nzhsym,params%nagain,params%ndepth,params%nmode)
call timer('decjt9 ',1)
end if
endif
!$omp end parallel sections
! JT65 is not yet producing info for nsynced, ndecoded.
800 write(*,1010) nsynced,ndecoded
1010 format('<DecodeFinished>',2i4)
call flush(6)
close(13)
if(params%nmode.eq.4 .or. params%nmode.eq.65) close(14)
return
end subroutine decoder