Add PCM16LE .xpcm [Eternal Fantasy (PC)]

src/formats.c

@@ -1109,6 +1109,7 @@ static const meta_info meta_info_list[] = {
         {meta_XOPUS,                "Exient XOPUS header"},
         {meta_VS_FFX,               "Square VS header"},
         {meta_NWAV,                 "Chunsoft NWAV header"},
+        {meta_XPCM,                 "Circus XPCM header"},
 
 };
 

src/libvgmstream.vcproj

@@ -1617,6 +1617,10 @@
                 <File
                     RelativePath=".\meta\xopus.c"
                     >
+                </File>
+                <File
+                    RelativePath=".\meta\xpcm.c"
+                    >
                 </File>
 				<File
 					RelativePath=".\meta\xss.c"

src/libvgmstream.vcxproj

@@ -478,6 +478,7 @@
     <ClCompile Include="meta\xma.c" />
     <ClCompile Include="meta\xnb.c" />
     <ClCompile Include="meta\xopus.c" />
+    <ClCompile Include="meta\xpcm.c" />
     <ClCompile Include="meta\xss.c" />
     <ClCompile Include="meta\xvag.c" />
     <ClCompile Include="meta\xmd.c" />

src/libvgmstream.vcxproj.filters

@@ -1456,6 +1456,9 @@
     <ClCompile Include="meta\xopus.c">
       <Filter>meta\Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="meta\xpcm.c">
+      <Filter>meta\Source Files</Filter>
+    </ClCompile>
     <ClCompile Include="meta\x360_cxs.c">
       <Filter>meta\Source Files</Filter>
     </ClCompile>

src/meta/meta.h

@@ -806,4 +806,6 @@ VGMSTREAM * init_vgmstream_msf_banpresto_2msf(STREAMFILE * streamFile);
 
 VGMSTREAM * init_vgmstream_nwav(STREAMFILE * streamFile);
 
+VGMSTREAM * init_vgmstream_xpcm(STREAMFILE * streamFile);
+
 #endif /*_META_H*/

src/meta/xpcm.c

@@ -0,0 +1,65 @@
+#include "meta.h"
+#include "../coding/coding.h"
+
+/* XPCM - from Circus games [Eternal Fantasy (PC), D.C. White Season (PC)] */
+VGMSTREAM * init_vgmstream_xpcm(STREAMFILE *streamFile) {
+    VGMSTREAM * vgmstream = NULL;
+    off_t start_offset;
+    size_t decompressed_size;
+    int loop_flag, channel_count, codec, subcodec, sample_rate;
+
+
+
+    /* checks */
+    if (!check_extensions(streamFile, "pcm"))
+        goto fail;
+
+    if (read_32bitBE(0x00,streamFile) != 0x5850434D) /* "XPCM" "*/
+        goto fail;
+
+    decompressed_size = read_32bitLE(0x04,streamFile); /* (data_size for PCM) */
+    codec    = read_8bit(0x08, streamFile);
+    subcodec = read_8bit(0x09, streamFile);
+    /* 0x0a: always null */
+    /* 0x0c: always 0x01 (PCM codec) */
+    channel_count = read_16bitLE(0x0e,streamFile);
+    sample_rate = read_32bitLE(0x10,streamFile);
+    /* 0x14: average bitrate */
+    /* 0x18: block size */
+    /* 0x1a: output bits (16) */
+    start_offset = 0x1c;
+
+    loop_flag  = 0;
+
+
+    /* build the VGMSTREAM */
+    vgmstream = allocate_vgmstream(channel_count, loop_flag);
+    if (!vgmstream) goto fail;
+
+    vgmstream->meta_type = meta_XPCM;
+    vgmstream->sample_rate = sample_rate;
+    vgmstream->num_samples = decompressed_size / sizeof(int16_t) / channel_count;
+
+    switch(codec) {
+        case 0x00:
+            if (subcodec != 0) goto fail;
+            vgmstream->coding_type = coding_PCM16LE;
+            vgmstream->layout_type = layout_interleave;
+            vgmstream->interleave_block_size = 0x02;
+            break;
+        case 0x01: /* LZSS + VQ */
+        case 0x02: /* ADPCM */
+        case 0x03: /* unknown */
+        default:
+            /* 0x1c contains compressed size for those */
+            goto fail;
+    }
+
+    if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
+        goto fail;
+    return vgmstream;
+
+fail:
+    close_vgmstream(vgmstream);
+    return NULL;
+}

src/vgmstream.c

@@ -448,6 +448,7 @@ VGMSTREAM * (*init_vgmstream_functions[])(STREAMFILE *streamFile) = {
     init_vgmstream_msf_banpresto_wmsf,
     init_vgmstream_msf_banpresto_2msf,
     init_vgmstream_nwav,
+    init_vgmstream_xpcm,
 
     /* 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

@@ -703,6 +703,7 @@ typedef enum {
     meta_XOPUS,
     meta_VS_FFX,
     meta_NWAV,
+    meta_XPCM,
 
 } meta_t;