add Square Enix Opus for Dragon Quest I-III (Switch)

vgmstream · Oct 3, 2019 · 122e65c · 122e65c
1 parent 60d9895
commit 122e65c
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Showing 3 changed files with 28 additions and 0 deletions.
diff --git a/src/meta/meta.h b/src/meta/meta.h
@@ -645,6 +645,7 @@ VGMSTREAM * init_vgmstream_opus_nxa(STREAMFILE * streamFile);
 VGMSTREAM * init_vgmstream_opus_opusx(STREAMFILE * streamFile);
 VGMSTREAM * init_vgmstream_opus_prototype(STREAMFILE * streamFile);
 VGMSTREAM * init_vgmstream_opus_opusnx(STREAMFILE * streamFile);
+VGMSTREAM * init_vgmstream_opus_sqex(STREAMFILE* streamFile);
 
 VGMSTREAM * init_vgmstream_pc_al2(STREAMFILE * streamFile);
 

diff --git a/src/meta/opus.c b/src/meta/opus.c
@@ -411,3 +411,29 @@ VGMSTREAM * init_vgmstream_opus_opusnx(STREAMFILE *streamFile) {
 fail:
     return NULL;
 }
+
+/* Square Enix variation [Dragon Quest I-III (Switch)] */
+VGMSTREAM * init_vgmstream_opus_sqex(STREAMFILE *streamFile) {
+    off_t offset = 0;
+    int num_samples = 0, loop_start = 0, loop_end = 0, loop_flag;
+
+    /* checks */
+    if (!check_extensions(streamFile, "opus,lopus"))
+        goto fail;
+    if (read_64bitBE(0x00, streamFile) != 0x0100000002000000)
+        goto fail;
+
+    offset = read_32bitLE(0x0C, streamFile);
+    num_samples = read_32bitLE(0x1C, streamFile);
+
+    /* Check if there's a loop end value to determine loop_flag*/
+    loop_flag = read_32bitLE(0x18, streamFile);
+    if (loop_flag) {
+        loop_start = read_32bitLE(0x14, streamFile);
+        loop_end = read_32bitLE(0x18, streamFile);
+    }
+
+    return init_vgmstream_opus(streamFile, meta_OPUS, offset, num_samples, loop_start, loop_end);
+fail:
+    return NULL;
+}
diff --git a/src/vgmstream.c b/src/vgmstream.c
@@ -480,6 +480,7 @@ VGMSTREAM * (*init_vgmstream_functions[])(STREAMFILE *streamFile) = {
     init_vgmstream_ubi_hx,
     init_vgmstream_bmp_konami,
     init_vgmstream_opus_opusnx,
+    init_vgmstream_opus_sqex,
 
     /* lowest priority metas (should go after all metas, and TXTH should go before raw formats) */
     init_vgmstream_txth,            /* proper parsers should supersede TXTH, once added */