Add Codemasters .3ds [F1 2011 (3DS)]

src/formats.c

@@ -25,7 +25,7 @@ static const char* extension_list[] = {
     "208",
     "2dx9",
     "3do",
-    "3ds", //txth/reserved [F1 2011 (3DS)] 
+    "3ds",
     "4", //for Game.com audio
     "8", //txth/reserved [Gungage (PS1)]
     "800",
@@ -1459,11 +1459,10 @@ static const meta_info meta_info_list[] = {
         {meta_HD_BD,                "Sony HD+BD header"},
         {meta_PPHD,                 "Sony PPHD header"},
         {meta_XABP,                 "cavia XABp header"},
+        {meta_I3DS,                 "Codemasters i3DS header"},
 };
 
 void get_vgmstream_coding_description(VGMSTREAM* vgmstream, char* out, size_t out_size) {
-    int i, list_length;
-    const char *description;
 
 #ifdef VGM_USE_FFMPEG
     if (vgmstream->coding_type == coding_FFmpeg) {
@@ -1481,7 +1480,7 @@ void get_vgmstream_coding_description(VGMSTREAM* vgmstream, char* out, size_t ou
     }
 #endif
 
-    description = "CANNOT DECODE";
+    const char* description = "CANNOT DECODE";
 
     switch (vgmstream->coding_type) {
 #ifdef VGM_USE_FFMPEG
@@ -1491,23 +1490,22 @@ void get_vgmstream_coding_description(VGMSTREAM* vgmstream, char* out, size_t ou
                 description = "FFmpeg";
             break;
 #endif
-        default:
-            list_length = sizeof(coding_info_list) / sizeof(coding_info);
-            for (i = 0; i < list_length; i++) {
+        default: {
+            int list_length = sizeof(coding_info_list) / sizeof(coding_info);
+            for (int i = 0; i < list_length; i++) {
                 if (coding_info_list[i].type == vgmstream->coding_type)
                     description = coding_info_list[i].description;
             }
             break;
         }
+    }
 
     strncpy(out, description, out_size);
 }
 
 static const char* get_layout_name(layout_t layout_type) {
-    int i, list_length;
-
-    list_length = sizeof(layout_info_list) / sizeof(layout_info);
-    for (i = 0; i < list_length; i++) {
+    int list_length = sizeof(layout_info_list) / sizeof(layout_info);
+    for (int i = 0; i < list_length; i++) {
         if (layout_info_list[i].type == layout_type)
             return layout_info_list[i].description;
     }
@@ -1515,13 +1513,12 @@ static const char* get_layout_name(layout_t layout_type) {
     return NULL;
 }
 
-static int has_sublayouts(VGMSTREAM** vgmstreams, int count) {
-    int i;
-    for (i = 0; i < count; i++) {
+static bool has_sublayouts(VGMSTREAM** vgmstreams, int count) {
+    for (int i = 0; i < count; i++) {
         if (vgmstreams[i]->layout_type == layout_segmented || vgmstreams[i]->layout_type == layout_layered)
-            return 1;
+            return true;
     }
-    return 0;
+    return false;
 }
 
 /* Makes a mixed description, considering a segments/layers can contain segments/layers infinitely, like:
@@ -1539,7 +1536,7 @@ static int has_sublayouts(VGMSTREAM** vgmstreams, int count) {
  * ("mixed" is added externally)
  */
 static int get_layout_mixed_description(VGMSTREAM* vgmstream, char* dst, int dst_size) {
-    int i, count, done = 0;
+    int count, done = 0;
     VGMSTREAM** vgmstreams = NULL;
 
     if (vgmstream->layout_type == layout_layered) {
@@ -1565,7 +1562,7 @@ static int get_layout_mixed_description(VGMSTREAM* vgmstream, char* dst, int dst
         dst[done++] = '[';
     }
 
-    for (i = 0; i < count; i++) {
+    for (int i = 0; i < count; i++) {
         done += get_layout_mixed_description(vgmstreams[i], dst + done, dst_size - done);
     }
 
@@ -1578,7 +1575,7 @@ static int get_layout_mixed_description(VGMSTREAM* vgmstream, char* dst, int dst
 
 void get_vgmstream_layout_description(VGMSTREAM* vgmstream, char* out, size_t out_size) {
     const char* description;
-    int mixed = 0;
+    bool mixed = false;
 
     description = get_layout_name(vgmstream->layout_type);
     if (!description) description = "INCONCEIVABLE";
@@ -1609,13 +1606,10 @@ void get_vgmstream_layout_description(VGMSTREAM* vgmstream, char* out, size_t ou
 }
 
 void get_vgmstream_meta_description(VGMSTREAM* vgmstream, char* out, size_t out_size) {
-    int i, list_length;
-    const char* description;
+    const char* description = "THEY SHOULD HAVE SENT A POET";
 
-    description = "THEY SHOULD HAVE SENT A POET";
-
-    list_length = sizeof(meta_info_list) / sizeof(meta_info);
-    for (i=0; i < list_length; i++) {
+    int list_length = sizeof(meta_info_list) / sizeof(meta_info);
+    for (int i = 0; i < list_length; i++) {
         if (meta_info_list[i].type == vgmstream->meta_type)
             description = meta_info_list[i].description;
     }

src/libvgmstream.vcxproj

@@ -517,6 +517,7 @@
     <ClCompile Include="meta\hgc1.c" />
     <ClCompile Include="meta\his.c" />
     <ClCompile Include="meta\hxd.c" />
+    <ClCompile Include="meta\i3ds.c" />
     <ClCompile Include="meta\idsp_ie.c" />
     <ClCompile Include="meta\idtech.c" />
     <ClCompile Include="meta\ifs.c" />

src/libvgmstream.vcxproj.filters

@@ -1381,6 +1381,9 @@
     <ClCompile Include="meta\hxd.c">
       <Filter>meta\Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="meta\i3ds.c">
+      <Filter>meta\Source Files</Filter>
+    </ClCompile>
     <ClCompile Include="meta\idsp_ie.c">
       <Filter>meta\Source Files</Filter>
     </ClCompile>

src/meta/i3ds.c

@@ -0,0 +1,49 @@
+#include "meta.h"
+#include "../util/meta_utils.h"
+#include "../coding/coding.h"
+
+
+/* i3DS - interleaved dsp [F1 2011 (3DS)] */
+VGMSTREAM* init_vgmstream_i3ds(STREAMFILE* sf) {
+
+    /* checks */
+    if (!is_id32be(0x00,sf, "i3DS"))
+        return NULL;
+    if (!check_extensions(sf, "3ds"))
+        return NULL;
+
+    meta_header_t h = {
+        .meta = meta_I3DS
+    };
+
+    // 04: data start? (0x10)
+    h.data_size     = read_u32le(0x08,sf);
+    h.interleave    = read_u32le(0x0c,sf);
+
+    // 2 mono CWAV headers pasted together then "DATA" then stream, no loop info but many tracks repeat
+    if (!is_id32be(0x10,sf, "CWAV"))
+        return NULL;
+
+    h.sample_rate   = read_s32le(0x10 + 0x4c, sf);
+    h.num_samples   = read_s32le(0x10 + 0x54, sf);
+    h.coefs_offset  = 0x10 + 0x7c;
+    h.coefs_spacing = 0xC0;
+    //h.hists_offset  = 0x00; //?
+    //h.hists_spacing = h.coefs_spacing;
+
+    // interleaved data starts from 0x10 after DATA (chunk *2), so unsure if header's offset are actually used
+    uint32_t chdt_offset = 0x08 + 0x08; //read_u32le(0x10 + 0x6c, sf) + 0x08;
+
+    h.channels = h.interleave ? 2 : 1;
+    h.stream_offset = 0x10 + 0xc0 * h.channels + chdt_offset;
+    h.stream_size = h.data_size - h.stream_offset;
+    if (h.interleave > 0) 
+        h.interleave_last = (h.stream_size % (h.interleave * h.channels)) / h.channels;
+
+    h.coding = coding_NGC_DSP;
+    h.layout = layout_interleave;
+    h.open_stream = true;
+    h.sf = sf;
+
+    return alloc_metastream(&h);
+}

src/meta/meta.h

@@ -1021,4 +1021,6 @@ VGMSTREAM* init_vgmstream_pphd(STREAMFILE* sf);
 
 VGMSTREAM* init_vgmstream_xabp(STREAMFILE* sf);
 
+VGMSTREAM* init_vgmstream_i3ds(STREAMFILE* sf);
+
 #endif

src/vgmstream_init.c

@@ -514,6 +514,7 @@ init_vgmstream_t init_vgmstream_functions[] = {
     init_vgmstream_hd_bd,
     init_vgmstream_pphd,
     init_vgmstream_xabp,
+    init_vgmstream_i3ds,
 
     /* lower priority metas (no clean header identity, somewhat ambiguous, or need extension/companion file to identify) */
     init_vgmstream_agsc,

src/vgmstream_types.h

@@ -715,6 +715,7 @@ typedef enum {
     meta_HD_BD,
     meta_PPHD,
     meta_XABP,
+    meta_I3DS,
 
 } meta_t;