Add .diva [Hatsune Miku: Project DIVA Arcade Future Tone (AC)]

src/formats.c

@@ -145,6 +145,7 @@ static const char* extension_list[] = {
     "ddsp",
     "de2",
     "dec",
+    "diva",
     "dmsg",
     "ds2", //txth/reserved [Star Wars Bounty Hunter (GC)]
     "dsf",
@@ -1285,6 +1286,7 @@ static const meta_info meta_info_list[] = {
         {meta_KWB,                  "Koei Tecmo WaveBank header"},
         {meta_LRMD,                 "Sony LRMD header"},
         {meta_WWISE_FX,             "Audiokinetic Wwise FX header"},
+        {meta_DIVA,                 "DIVA header"},
 
 };
 

src/libvgmstream.vcxproj

@@ -301,6 +301,7 @@
     <ClCompile Include="meta\dc_str.c" />
     <ClCompile Include="meta\dec.c" />
     <ClCompile Include="meta\derf.c" />
+    <ClCompile Include="meta\diva.c" />
     <ClCompile Include="meta\dmsg_segh.c" />
     <ClCompile Include="meta\dsf.c" />
     <ClCompile Include="meta\dsp_adx.c" />

src/libvgmstream.vcxproj.filters

@@ -1747,5 +1747,8 @@
     <ClCompile Include="meta\tgc.c">
       <Filter>meta\Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="meta\diva.c">
+      <Filter>meta\Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>

src/meta/diva.c

@@ -0,0 +1,38 @@
+#include "meta.h"
+#include "../coding/coding.h"
+
+/* DIVA - Hatsune Miku: Project DIVA Arcade */
+VGMSTREAM * init_vgmstream_diva(STREAMFILE *streamFile) {
+    VGMSTREAM * vgmstream = NULL;
+    off_t start_offset;
+    int channel_count, loop_flag = 0;
+
+    /* checks */
+    if (!check_extensions(streamFile, "diva"))
+        goto fail;
+
+    if (read_32bitBE(0x00, streamFile) != 0x44495641) /* "DIVA" */
+        goto fail;
+
+    start_offset  = 0x40;
+    channel_count = read_8bit(0x1C, streamFile);
+
+    /* build the VGMSTREAM */
+    vgmstream = allocate_vgmstream(channel_count, loop_flag);
+    if (!vgmstream) goto fail;
+
+    vgmstream->sample_rate = read_32bitLE(0x0C, streamFile);
+    vgmstream->num_samples = read_32bitLE(0x10, streamFile);
+    vgmstream->meta_type   = meta_DIVA;
+    vgmstream->layout_type = layout_none;
+    vgmstream->coding_type = coding_DVI_IMA;
+
+    if (!vgmstream_open_stream(vgmstream, streamFile, start_offset))
+        goto fail;
+
+    return vgmstream;
+
+fail:
+    close_vgmstream(vgmstream);
+    return NULL;
+}

src/meta/meta.h

@@ -893,4 +893,6 @@ VGMSTREAM* init_vgmstream_bkhd_fx(STREAMFILE* sf);
 
 VGMSTREAM* init_vgmstream_encrypted(STREAMFILE* sf);
 
+VGMSTREAM* init_vgmstream_diva(STREAMFILE* sf);
+
 #endif /*_META_H*/

src/vgmstream.c

@@ -492,6 +492,7 @@ VGMSTREAM * (*init_vgmstream_functions[])(STREAMFILE *streamFile) = {
     init_vgmstream_lrmd,
     init_vgmstream_bkhd,
     init_vgmstream_bkhd_fx,
+    init_vgmstream_diva,
 
     /* 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 */

src/vgmstream.h

@@ -726,6 +726,7 @@ typedef enum {
     meta_KWB,
     meta_LRMD,
     meta_WWISE_FX,
+    meta_DIVA,
 } meta_t;
 
 /* standard WAVEFORMATEXTENSIBLE speaker positions */