Ejemplo n.º 1
0
static void init_data(args_t *args)
{
    args->aux.srs = bcf_sr_init();

    // Open files for input and output, initialize structures
    if ( args->targets )
    {
        if ( bcf_sr_set_targets(args->aux.srs, args->targets, args->targets_is_file, args->aux.flag&CALL_CONSTR_ALLELES ? 3 : 0)<0 )
            error("Failed to read the targets: %s\n", args->targets);

        if ( args->aux.flag&CALL_CONSTR_ALLELES && args->flag&CF_INS_MISSED )
        {
            args->aux.srs->targets->missed_reg_handler = print_missed_line;
            args->aux.srs->targets->missed_reg_data = args;
        }
    }
    if ( args->regions )
    {
        if ( bcf_sr_set_regions(args->aux.srs, args->regions, args->regions_is_file)<0 )
            error("Failed to read the targets: %s\n", args->regions);
    }

    int i;
    if ( !bcf_sr_add_reader(args->aux.srs, args->bcf_fname) ) error("Failed to open: %s\n", args->bcf_fname);

    if ( args->nsamples && args->nsamples != bcf_hdr_nsamples(args->aux.srs->readers[0].header) )
    {
        args->samples_map = (int *) malloc(sizeof(int)*args->nsamples);
        args->aux.hdr = bcf_hdr_subset(args->aux.srs->readers[0].header, args->nsamples, args->samples, args->samples_map);
        for (i=0; i<args->nsamples; i++)
            if ( args->samples_map[i]<0 ) error("No such sample: %s\n", args->samples[i]);
        if ( !bcf_hdr_nsamples(args->aux.hdr) ) error("No matching sample found\n");
    }
    else
    {
        args->aux.hdr = bcf_hdr_dup(args->aux.srs->readers[0].header);
        for (i=0; i<args->nsamples; i++)
            if ( bcf_hdr_id2int(args->aux.hdr,BCF_DT_SAMPLE,args->samples[i])<0 )
                error("No such sample: %s\n", args->samples[i]);
    }

    // Reorder ploidy and family indexes to match mpileup's output and exclude samples which are not available
    if ( args->aux.ploidy )
    {
        for (i=0; i<args->aux.nfams; i++)
        {
            int j;
            for (j=0; j<3; j++)
            {
                int k = bcf_hdr_id2int(args->aux.hdr, BCF_DT_SAMPLE, args->samples[ args->aux.fams[i].sample[j] ]);
                if ( k<0 ) error("No such sample: %s\n", args->samples[ args->aux.fams[i].sample[j] ]);
                args->aux.fams[i].sample[j] = k;
            }
        }
        uint8_t *ploidy = (uint8_t*) calloc(bcf_hdr_nsamples(args->aux.hdr), 1);
        for (i=0; i<args->nsamples; i++)    // i index in -s sample list
        {
            int j = bcf_hdr_id2int(args->aux.hdr, BCF_DT_SAMPLE, args->samples[i]);     // j index in the output VCF / subset VCF
            if ( j<0 )
            {
                fprintf(stderr,"Warning: no such sample: \"%s\"\n", args->samples[i]);
                continue;
            }
            ploidy[j] = args->aux.ploidy[i];
        }
        args->nsamples = bcf_hdr_nsamples(args->aux.hdr);
        for (i=0; i<args->nsamples; i++)
            assert( ploidy[i]==0 || ploidy[i]==1 || ploidy[i]==2 );
        free(args->aux.ploidy);
        args->aux.ploidy = ploidy;
    }

    args->out_fh = hts_open(args->output_fname, hts_bcf_wmode(args->output_type));
    if ( args->out_fh == NULL ) error("Can't write to \"%s\": %s\n", args->output_fname, strerror(errno));

    if ( args->flag & CF_QCALL )
        return;

    if ( args->flag & CF_MCALL )
        mcall_init(&args->aux);

    if ( args->flag & CF_CCALL )
        ccall_init(&args->aux);

    if ( args->flag&CF_GVCF )
    {
        bcf_hdr_append(args->aux.hdr,"##INFO=<ID=END,Number=1,Type=Integer,Description=\"End position of the variant described in this record\">");
        args->gvcf.rid  = -1;
        args->gvcf.line = bcf_init1();
        args->gvcf.gt   = (int32_t*) malloc(2*sizeof(int32_t)*bcf_hdr_nsamples(args->aux.hdr));
        for (i=0; i<bcf_hdr_nsamples(args->aux.hdr); i++)
        {
            args->gvcf.gt[2*i+0] = bcf_gt_unphased(0);
            args->gvcf.gt[2*i+1] = bcf_gt_unphased(0);
        }
    }

    bcf_hdr_remove(args->aux.hdr, BCF_HL_INFO, "QS");
    bcf_hdr_remove(args->aux.hdr, BCF_HL_INFO, "I16");

    bcf_hdr_append_version(args->aux.hdr, args->argc, args->argv, "bcftools_call");
    bcf_hdr_write(args->out_fh, args->aux.hdr);

    if ( args->flag&CF_INS_MISSED ) init_missed_line(args);
}
Ejemplo n.º 2
0
static void init_data(args_t *args)
{
    args->aux.srs = bcf_sr_init();

    // Open files for input and output, initialize structures
    if ( args->targets )
    {
        if ( bcf_sr_set_targets(args->aux.srs, args->targets, args->targets_is_file, args->aux.flag&CALL_CONSTR_ALLELES ? 3 : 0)<0 )
            error("Failed to read the targets: %s\n", args->targets);

        if ( args->aux.flag&CALL_CONSTR_ALLELES && args->flag&CF_INS_MISSED )
        {
            args->aux.srs->targets->missed_reg_handler = print_missed_line;
            args->aux.srs->targets->missed_reg_data = args;
        }
    }
    if ( args->regions )
    {
        if ( bcf_sr_set_regions(args->aux.srs, args->regions, args->regions_is_file)<0 )
            error("Failed to read the targets: %s\n", args->regions);
    }

    if ( !bcf_sr_add_reader(args->aux.srs, args->bcf_fname) ) error("Failed to open %s: %s\n", args->bcf_fname,bcf_sr_strerror(args->aux.srs->errnum));
    args->aux.hdr = bcf_sr_get_header(args->aux.srs,0);

    int i;
    if ( args->samples_fname )
    {
        set_samples(args, args->samples_fname, args->samples_is_file);
        if ( args->aux.flag&CALL_CONSTR_TRIO )
        {
            if ( 3*args->aux.nfams!=args->nsamples ) error("Expected only trios in %s, sorry!\n", args->samples_fname);
            fprintf(stderr,"Detected %d samples in %d trio families\n", args->nsamples,args->aux.nfams);
        }
        args->nsex = ploidy_nsex(args->ploidy);
        args->sex2ploidy = (int*) calloc(args->nsex,sizeof(int));
        args->sex2ploidy_prev = (int*) calloc(args->nsex,sizeof(int));
        args->aux.ploidy = (uint8_t*) malloc(args->nsamples);
        for (i=0; i<args->nsamples; i++) args->aux.ploidy[i] = 2;
        for (i=0; i<args->nsex; i++) args->sex2ploidy_prev[i] = 2;
    }

    if ( args->samples_map )
    {
        args->aux.hdr = bcf_hdr_subset(bcf_sr_get_header(args->aux.srs,0), args->nsamples, args->samples, args->samples_map);
        if ( !args->aux.hdr ) error("Error occurred while subsetting samples\n");
        for (i=0; i<args->nsamples; i++)
            if ( args->samples_map[i]<0 ) error("No such sample: %s\n", args->samples[i]);
        if ( !bcf_hdr_nsamples(args->aux.hdr) ) error("No matching sample found\n");
    }
    else
    {
        args->aux.hdr = bcf_hdr_dup(bcf_sr_get_header(args->aux.srs,0));
        for (i=0; i<args->nsamples; i++)
            if ( bcf_hdr_id2int(args->aux.hdr,BCF_DT_SAMPLE,args->samples[i])<0 )
                error("No such sample: %s\n", args->samples[i]);
    }

    args->out_fh = hts_open(args->output_fname, hts_bcf_wmode(args->output_type));
    if ( args->out_fh == NULL ) error("Can't write to \"%s\": %s\n", args->output_fname, strerror(errno));

    if ( args->flag & CF_QCALL )
        return;

    if ( args->flag & CF_MCALL )
        mcall_init(&args->aux);

    if ( args->flag & CF_CCALL )
        ccall_init(&args->aux);

    if ( args->flag&CF_GVCF )
    {
        bcf_hdr_append(args->aux.hdr,"##INFO=<ID=END,Number=1,Type=Integer,Description=\"End position of the variant described in this record\">");
        args->gvcf.rid  = -1;
        args->gvcf.line = bcf_init1();
        args->gvcf.gt   = (int32_t*) malloc(2*sizeof(int32_t)*bcf_hdr_nsamples(args->aux.hdr));
        for (i=0; i<bcf_hdr_nsamples(args->aux.hdr); i++)
        {
            args->gvcf.gt[2*i+0] = bcf_gt_unphased(0);
            args->gvcf.gt[2*i+1] = bcf_gt_unphased(0);
        }
    }

    bcf_hdr_remove(args->aux.hdr, BCF_HL_INFO, "QS");
    bcf_hdr_remove(args->aux.hdr, BCF_HL_INFO, "I16");

    bcf_hdr_append_version(args->aux.hdr, args->argc, args->argv, "bcftools_call");
    bcf_hdr_write(args->out_fh, args->aux.hdr);

    if ( args->flag&CF_INS_MISSED ) init_missed_line(args);
}