Add Success PCM [Metal Saga (PS2), Duel Masters: RoSD (PS2)]

src/formats.c

@@ -1299,6 +1299,7 @@ static const meta_info meta_info_list[] = {
         {meta_IMUSE,                "LucasArts iMUSE header"},
         {meta_KTSR,                 "Koei Tecmo KTSR header"},
         {meta_KAT,                  "Sega KAT header"},
+        {meta_PCM_SUCCESS,          "Success PCM header"},
 };
 
 void get_vgmstream_coding_description(VGMSTREAM *vgmstream, char *out, size_t out_size) {

src/libvgmstream.vcproj

@@ -1137,6 +1137,10 @@
                 <File
                     RelativePath=".\meta\pcm_sre.c"
                     >
+                </File>
+                <File
+                    RelativePath=".\meta\pcm_success.c"
+                    >
                 </File>
 				<File
 					RelativePath=".\meta\scd_pcm.c"

src/libvgmstream.vcxproj

@@ -404,6 +404,7 @@
     <ClCompile Include="meta\sab.c" />
     <ClCompile Include="meta\xa_xa30.c" />
     <ClCompile Include="meta\pcm_sre.c" />
+    <ClCompile Include="meta\pcm_success.c" />
     <ClCompile Include="meta\scd_pcm.c" />
     <ClCompile Include="meta\pona.c" />
     <ClCompile Include="meta\pos.c" />

src/libvgmstream.vcxproj.filters

@@ -724,6 +724,9 @@
     <ClCompile Include="meta\pcm_sre.c">
       <Filter>meta\Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="meta\pcm_success.c">
+      <Filter>meta\Source Files</Filter>
+    </ClCompile>
     <ClCompile Include="meta\scd_pcm.c">
       <Filter>meta\Source Files</Filter>
     </ClCompile>

src/meta/meta.h

@@ -905,4 +905,6 @@ VGMSTREAM* init_vgmstream_mups(STREAMFILE* sf);
 
 VGMSTREAM* init_vgmstream_kat(STREAMFILE* sf);
 
+VGMSTREAM* init_vgmstream_pcm_success(STREAMFILE* sf);
+
 #endif /*_META_H*/

src/meta/pcm_success.c

@@ -0,0 +1,68 @@
+#include "meta.h"
+#include "../coding/coding.h"
+
+
+/* PCM - from Success (related) games [Metal Saga (PS2), Tetris Kiwamemichi (PS2), Duel Masters: Rebirth of Super Dragon (PS2)] */
+VGMSTREAM* init_vgmstream_pcm_success(STREAMFILE* sf) {
+    VGMSTREAM* vgmstream = NULL;
+    off_t start_offset;
+    int loop_flag, channels, sample_rate, interleave;
+    size_t data_size, loop_start, loop_end, loop_adjust;
+
+
+    /* checks */
+    if (!check_extensions(sf, "pcm"))
+        goto fail;
+
+    if (read_u32be(0x00,sf) != 0x50434D20) /* "PCM " */
+        goto fail;
+    if (read_u32le(0x04,sf) != 0x00010000) /* version? */
+        goto fail;
+    if (read_u32le(0x08,sf) + 0x8000 < get_streamfile_size(sf)) /* data size without padding */
+        goto fail;
+
+    interleave = 0x800;
+    start_offset = 0x800;
+
+    sample_rate = read_s32le(0x0c,sf);
+    channels    = read_s32le(0x10,sf);
+    loop_flag   = read_s32le(0x14,sf);
+
+    data_size   = read_s32le(0x18,sf) * interleave * channels;
+    /* loops seems slightly off, so 'adjust' meaning may need to be tweaked */
+    loop_adjust = read_s32le(0x1c,sf) * channels; /* from 0..<0x800 */
+    loop_start  = read_s32le(0x20,sf) * interleave * channels + loop_adjust;
+    loop_adjust = read_s32le(0x24,sf) * channels; /* always 0x800 (0 if no loop flag) */
+    loop_end    = read_s32le(0x28,sf) * interleave * channels + (interleave * channels - loop_adjust);
+
+    /* 0x2c: always 1? */
+    /* 0x30/40: padding garbage (also at file end) */
+
+    /* not always accurate and has padding */
+    if (data_size > get_streamfile_size(sf) - start_offset)
+        data_size = get_streamfile_size(sf) - start_offset;
+
+
+    /* build the VGMSTREAM */
+    vgmstream = allocate_vgmstream(channels, loop_flag);
+    if (!vgmstream) goto fail;
+
+    vgmstream->meta_type = meta_PCM_SUCCESS;
+    vgmstream->sample_rate = sample_rate;
+
+    vgmstream->num_samples = ps_bytes_to_samples(data_size, channels);
+    vgmstream->loop_start_sample = ps_bytes_to_samples(loop_start, channels);
+    vgmstream->loop_end_sample = ps_bytes_to_samples(loop_end, channels);
+
+    vgmstream->coding_type = coding_PSX;
+    vgmstream->layout_type = layout_interleave;
+    vgmstream->interleave_block_size = interleave;
+
+    if (!vgmstream_open_stream(vgmstream, sf, start_offset))
+        goto fail;
+    return vgmstream;
+
+fail:
+    close_vgmstream(vgmstream);
+    return NULL;
+}

src/vgmstream.c

@@ -500,6 +500,7 @@ VGMSTREAM * (*init_vgmstream_functions[])(STREAMFILE *streamFile) = {
     init_vgmstream_ktsr,
     init_vgmstream_mups,
     init_vgmstream_kat,
+    init_vgmstream_pcm_success,
 
     /* 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

@@ -732,6 +732,7 @@ typedef enum {
     meta_IMUSE,
     meta_KTSR,
     meta_KAT,
+    meta_PCM_SUCCESS,
 } meta_t;
 
 /* standard WAVEFORMATEXTENSIBLE speaker positions */