Merge pull request #134 from bxaimc/master

Added AST (ASTL) variant for Dead Rising (PC)

src/formats.c

@@ -894,6 +894,7 @@ static const meta_info meta_info_list[] = {
         {meta_AWC,                  "Rockstar AWC header"},
         {meta_NSW_OPUS,             ".OPUS header"},
         {meta_PC_AL2,               "Illwinter Game Design AL2 raw header"},
+		{meta_PC_AST,               "Capcom AST header"},
 
 #ifdef VGM_USE_VORBIS
         {meta_OGG_VORBIS,           "Ogg Vorbis"},

src/libvgmstream.vcproj

@@ -661,6 +661,10 @@
                 <File
                     RelativePath=".\meta\pc_al2.c"
                     >
+                </File>
+                <File
+                    RelativePath=".\meta\pc_ast.c"
+                    >
                 </File>
 				<File
 					RelativePath=".\meta\pc_mxst.c"

src/libvgmstream.vcxproj

@@ -160,6 +160,7 @@
     <ClCompile Include="meta\nsw_opus.c" />
     <ClCompile Include="meta\nub_vag.c" />
     <ClCompile Include="meta\pc_adp.c" />
+    <ClCompile Include="meta\pc_ast.c" />
     <ClCompile Include="meta\pc_snds.c" />
     <ClCompile Include="meta\ps2_2pfs.c" />
     <ClCompile Include="meta\ps2_hsf.c" />

src/libvgmstream.vcxproj.filters

@@ -1183,5 +1183,8 @@
     <ClCompile Include="meta\awc.c">
       <Filter>meta\Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="meta\pc_ast.c">
+      <Filter>meta\Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>

src/meta/meta.h

@@ -686,4 +686,6 @@ VGMSTREAM * init_vgmstream_nsw_opus(STREAMFILE * streamFile);
 
 VGMSTREAM * init_vgmstream_pc_al2(STREAMFILE * streamFile);
 
+VGMSTREAM * init_vgmstream_pc_ast(STREAMFILE * streamFile);
+
 #endif /*_META_H*/

src/meta/pc_ast.c

@@ -0,0 +1,44 @@
+#include "meta.h"
+#include "../coding/coding.h"
+
+/* ASTL - found in Dead Rising (PC) */
+VGMSTREAM * init_vgmstream_pc_ast(STREAMFILE *streamFile) {
+    VGMSTREAM * vgmstream = NULL;
+	off_t start_offset, data_size;
+    int loop_flag, channel_count;
+
+    /* check extension, case insensitive */
+    if ( !check_extensions(streamFile,"ast"))
+        goto fail;
+
+    if (read_32bitBE(0x00,streamFile) != 0x4153544C) /* "ASTL" */
+        goto fail;
+
+
+    loop_flag = 0; //TODO - Find hidden loop point calc and flag
+	channel_count = read_8bit(0x32, streamFile);
+	data_size = read_32bitLE(0x20,streamFile);
+
+
+    /* build the VGMSTREAM */
+    vgmstream = allocate_vgmstream(channel_count,loop_flag);
+    if (!vgmstream) goto fail;
+
+	/* TODO - Find non-obvious loop points and flag (if any) */
+    start_offset = read_32bitLE(0x10,streamFile);
+    vgmstream->sample_rate = read_32bitLE(0x34,streamFile);
+	vgmstream->coding_type = coding_PCM16LE;
+    vgmstream->num_samples = data_size/(channel_count*2);
+	vgmstream->layout_type = layout_interleave;
+	vgmstream->interleave_block_size = 0x2;
+    vgmstream->meta_type = meta_PC_AST;
+
+    /* open the file for reading */
+    if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
+        goto fail;
+    return vgmstream;
+
+fail:
+    close_vgmstream(vgmstream);
+    return NULL;
+}

src/vgmstream.c

@@ -369,6 +369,7 @@ VGMSTREAM * (*init_vgmstream_fcns[])(STREAMFILE *streamFile) = {
     init_vgmstream_awc,
     init_vgmstream_nsw_opus,
     init_vgmstream_pc_al2,
+	init_vgmstream_pc_ast,
 
     init_vgmstream_txth,  /* should go at the end (lower priority) */
 #ifdef VGM_USE_FFMPEG

src/vgmstream.h

@@ -629,6 +629,7 @@ typedef enum {
     meta_AWC,               /* Rockstar AWC (GTA5, RDR) */
     meta_NSW_OPUS,          /* Lego City Undercover (Switch) */
     meta_PC_AL2,            /* Conquest of Elysium 3 (PC) */
+	meta_PC_AST,            /* Dead Rising (PC) */
 
 #ifdef VGM_USE_VORBIS
     meta_OGG_VORBIS,        /* Ogg Vorbis */