KSORT_INIT(heap, heap1_t, heap_lt)
+static void swap_header_targets(bam_header_t *h1, bam_header_t *h2)
+{
+ bam_header_t t;
+ t.n_targets = h1->n_targets, h1->n_targets = h2->n_targets, h2->n_targets = t.n_targets;
+ t.target_name = h1->target_name, h1->target_name = h2->target_name, h2->target_name = t.target_name;
+ t.target_len = h1->target_len, h1->target_len = h2->target_len, h2->target_len = t.target_len;
+}
+
static void swap_header_text(bam_header_t *h1, bam_header_t *h2)
{
int tempi;
#define MERGE_RG 1
#define MERGE_UNCOMP 2
+#define MERGE_LEVEL1 4
/*!
@abstract Merge multiple sorted BAM.
return -1;
}
hin = bam_header_read(fp[i]);
- if (i == 0) { // the first SAM
+ if (i == 0) { // the first BAM
hout = hin;
- if (hheaders) {
- // If the text headers to be swapped in include any @SQ headers,
- // check that they are consistent with the existing binary list
- // of reference information.
- if (hheaders->n_targets > 0) {
- if (hout->n_targets != hheaders->n_targets) {
- fprintf(stderr, "[bam_merge_core] number of @SQ headers in `%s' differs from number of target sequences", headers);
- if (!reg) return -1;
- }
- for (j = 0; j < hout->n_targets; ++j)
- if (strcmp(hout->target_name[j], hheaders->target_name[j]) != 0) {
- fprintf(stderr, "[bam_merge_core] @SQ header '%s' in '%s' differs from target sequence", hheaders->target_name[j], headers);
- if (!reg) return -1;
- }
- }
- swap_header_text(hout, hheaders);
- bam_header_destroy(hheaders);
- hheaders = NULL;
- }
} else { // validate multiple baf
- if (hout->n_targets != hin->n_targets) {
- fprintf(stderr, "[bam_merge_core] file '%s' has different number of target sequences. Continue anyway!\n", fn[i]);
- } else {
- for (j = 0; j < hout->n_targets; ++j) {
- if (strcmp(hout->target_name[j], hin->target_name[j])) {
- fprintf(stderr, "[bam_merge_core] different target sequence name: '%s' != '%s' in file '%s'. Continue anyway!\n",
- hout->target_name[j], hin->target_name[j], fn[i]);
- }
+ int min_n_targets = hout->n_targets;
+ if (hin->n_targets < min_n_targets) min_n_targets = hin->n_targets;
+
+ for (j = 0; j < min_n_targets; ++j)
+ if (strcmp(hout->target_name[j], hin->target_name[j]) != 0) {
+ fprintf(stderr, "[bam_merge_core] different target sequence name: '%s' != '%s' in file '%s'\n",
+ hout->target_name[j], hin->target_name[j], fn[i]);
+ return -1;
}
+
+ // If this input file has additional target reference sequences,
+ // add them to the headers to be output
+ if (hin->n_targets > hout->n_targets) {
+ swap_header_targets(hout, hin);
+ // FIXME Possibly we should also create @SQ text headers
+ // for the newly added reference sequences
}
+
bam_header_destroy(hin);
}
}
+ if (hheaders) {
+ // If the text headers to be swapped in include any @SQ headers,
+ // check that they are consistent with the existing binary list
+ // of reference information.
+ if (hheaders->n_targets > 0) {
+ if (hout->n_targets != hheaders->n_targets) {
+ fprintf(stderr, "[bam_merge_core] number of @SQ headers in '%s' differs from number of target sequences\n", headers);
+ if (!reg) return -1;
+ }
+ for (j = 0; j < hout->n_targets; ++j)
+ if (strcmp(hout->target_name[j], hheaders->target_name[j]) != 0) {
+ fprintf(stderr, "[bam_merge_core] @SQ header '%s' in '%s' differs from target sequence\n", hheaders->target_name[j], headers);
+ if (!reg) return -1;
+ }
+ }
+
+ swap_header_text(hout, hheaders);
+ bam_header_destroy(hheaders);
+ }
+
if (reg) {
int tid, beg, end;
if (bam_parse_region(hout, reg, &tid, &beg, &end) < 0) {
}
else h->pos = HEAP_EMPTY;
}
- if (flag & MERGE_UNCOMP) {
- fpout = strcmp(out, "-")? bam_open(out, "wu") : bam_dopen(fileno(stdout), "wu");
- } else {
- fpout = strcmp(out, "-")? bam_open(out, "w") : bam_dopen(fileno(stdout), "w");
- }
+ if (flag & MERGE_UNCOMP) fpout = strcmp(out, "-")? bam_open(out, "wu") : bam_dopen(fileno(stdout), "wu");
+ else if (flag & MERGE_LEVEL1) fpout = strcmp(out, "-")? bam_open(out, "w1") : bam_dopen(fileno(stdout), "w1");
+ else fpout = strcmp(out, "-")? bam_open(out, "w") : bam_dopen(fileno(stdout), "w");
if (fpout == 0) {
fprintf(stderr, "[%s] fail to create the output file.\n", __func__);
return -1;
ks_heapmake(heap, n, heap);
while (heap->pos != HEAP_EMPTY) {
bam1_t *b = heap->b;
- if ((flag & MERGE_RG) && bam_aux_get(b, "RG") == 0)
+ if (flag & MERGE_RG) {
+ uint8_t *rg = bam_aux_get(b, "RG");
+ if (rg) bam_aux_del(b, rg);
bam_aux_append(b, "RG", 'Z', RG_len[heap->i] + 1, (uint8_t*)RG[heap->i]);
+ }
bam_write1_core(fpout, &b->core, b->data_len, b->data);
if ((j = bam_iter_read(fp[heap->i], iter[heap->i], b)) >= 0) {
heap->pos = ((uint64_t)b->core.tid<<32) | (uint32_t)b->core.pos<<1 | bam1_strand(b);
int c, is_by_qname = 0, flag = 0, ret = 0;
char *fn_headers = NULL, *reg = 0;
- while ((c = getopt(argc, argv, "h:nruR:")) >= 0) {
+ while ((c = getopt(argc, argv, "h:nru1R:")) >= 0) {
switch (c) {
case 'r': flag |= MERGE_RG; break;
case 'h': fn_headers = strdup(optarg); break;
case 'n': is_by_qname = 1; break;
+ case '1': flag |= MERGE_LEVEL1; break;
case 'u': flag |= MERGE_UNCOMP; break;
case 'R': reg = strdup(optarg); break;
}
fprintf(stderr, "Options: -n sort by read names\n");
fprintf(stderr, " -r attach RG tag (inferred from file names)\n");
fprintf(stderr, " -u uncompressed BAM output\n");
+ fprintf(stderr, " -1 compress level 1\n");
fprintf(stderr, " -R STR merge file in the specified region STR [all]\n");
fprintf(stderr, " -h FILE copy the header in FILE to <out.bam> [in1.bam]\n\n");
fprintf(stderr, "Note: Samtools' merge does not reconstruct the @RG dictionary in the header. Users\n");
static void sort_blocks(int n, int k, bam1_p *buf, const char *prefix, const bam_header_t *h, int is_stdout)
{
- char *name;
+ char *name, mode[3];
int i;
bamFile fp;
ks_mergesort(sort, k, buf, 0);
name = (char*)calloc(strlen(prefix) + 20, 1);
- if (n >= 0) sprintf(name, "%s.%.4d.bam", prefix, n);
- else sprintf(name, "%s.bam", prefix);
- fp = is_stdout? bam_dopen(fileno(stdout), "w") : bam_open(name, "w");
+ if (n >= 0) {
+ sprintf(name, "%s.%.4d.bam", prefix, n);
+ strcpy(mode, "w1");
+ } else {
+ sprintf(name, "%s.bam", prefix);
+ strcpy(mode, "w");
+ }
+ fp = is_stdout? bam_dopen(fileno(stdout), mode) : bam_open(name, mode);
if (fp == 0) {
fprintf(stderr, "[sort_blocks] fail to create file %s.\n", name);
free(name);
projects / samtools.git / blobdiff