Dreamcast .idvi added

git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@419 51a99a44-fe44-0410-b1ba-c3e57ba2b86b

src/Makefile

@@ -126,9 +126,11 @@ META_OBJS=meta/adx_header.o \
     meta/dc_str.o \
     meta/xbox_xmu.o \
     meta/ngc_bh2pcm.o \
+    meta/xbox_xvas.o \
     meta/sat_sap.o \
-    meta/xbox_xvas.o
-		
+    meta/sat_sap.o \
+    meta/dc_dvi.o
+
 OBJECTS=vgmstream.o streamfile.o util.o $(CODING_OBJS) $(LAYOUT_OBJS) $(META_OBJS)
 
 libvgmstream.a: $(OBJECTS)

src/libvgmstream.vcproj

@@ -234,6 +234,10 @@
 					RelativePath=".\meta\Cstr.c"
 					>
 				</File>
+				<File
+					RelativePath=".\meta\dc_dvi.c"
+					>
+				</File>
 				<File
 					RelativePath=".\meta\dc_kcey.c"
 					>

src/meta/Makefile.unix.am

@@ -96,5 +96,6 @@ libmeta_la_SOURCES += dc_str.c
 libmeta_la_SOURCES += xbox_xmu.c
 libmeta_la_SOURCES += ngc_bh2pcm.c
 libmeta_la_SOURCES += sat_sap.c
+libmeta_la_SOURCES += dc_dvi.c
 
 EXTRA_DIST = meta.h

src/meta/dc_dvi.c

@@ -0,0 +1,70 @@
+#include "meta.h"
+#include "../util.h"
+
+/* IDVI (Eldorado Gate Volume 3) */
+VGMSTREAM * init_vgmstream_dc_idvi(STREAMFILE *streamFile) {
+    VGMSTREAM * vgmstream = NULL;
+    char filename[260];
+    off_t start_offset;
+
+    int loop_flag;
+	int channel_count;
+
+    /* check extension, case insensitive */
+    streamFile->get_name(streamFile,filename,sizeof(filename));
+    if (strcasecmp("idvi",filename_extension(filename))) goto fail;
+
+    /* check header */
+    if (read_32bitBE(0x00,streamFile) != 0x49445649) /* "IDVI." */
+        goto fail;
+
+    loop_flag = read_32bitLE(0x0C,streamFile);
+    channel_count = read_32bitLE(0x04,streamFile);
+    
+	/* build the VGMSTREAM */
+    vgmstream = allocate_vgmstream(channel_count,loop_flag);
+    if (!vgmstream) goto fail;
+
+	/* fill in the vital statistics */
+	vgmstream->channels = channel_count;
+    start_offset = 0x800;
+    vgmstream->sample_rate = read_32bitLE(0x08,streamFile);
+    vgmstream->coding_type = coding_INT_DVI_IMA;
+
+    vgmstream->num_samples = (get_streamfile_size(streamFile)-start_offset);
+    
+	if (loop_flag) {
+        vgmstream->loop_start_sample = (read_32bitLE(0x0C,streamFile)-start_offset);
+        vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-start_offset);
+    }
+
+    vgmstream->layout_type = layout_interleave;
+	vgmstream->interleave_block_size = 0x400;
+    vgmstream->meta_type = meta_DC_IDVI;
+	/* vgmstream->get_high_nibble=1; */
+
+
+
+    /* open the file for reading */
+    {
+        int i;
+        STREAMFILE * file;
+        file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
+        if (!file) goto fail;
+        for (i=0;i<channel_count;i++) {
+            vgmstream->ch[i].streamfile = file;
+
+            vgmstream->ch[i].channel_start_offset=
+                vgmstream->ch[i].offset=start_offset+
+                vgmstream->interleave_block_size*i;
+
+        }
+    }
+
+    return vgmstream;
+
+    /* clean up anything we may have opened */
+fail:
+    if (vgmstream) close_vgmstream(vgmstream);
+    return NULL;
+}

src/meta/meta.h

@@ -211,4 +211,6 @@ VGMSTREAM * init_vgmstream_ngc_bh2pcm(STREAMFILE *streamFile);
 
 VGMSTREAM * init_vgmstream_sat_sap(STREAMFILE *streamFile);
 
+VGMSTREAM * init_vgmstream_dc_idvi(STREAMFILE *streamFile);
+
 #endif

src/vgmstream.c

@@ -121,6 +121,7 @@ VGMSTREAM * (*init_vgmstream_fcns[])(STREAMFILE *streamFile) = {
 	init_vgmstream_xbox_xvas,
 	init_vgmstream_ngc_bh2pcm,
 	init_vgmstream_sat_sap,
+	init_vgmstream_dc_idvi,
 };
 
 #define INIT_VGMSTREAM_FCNS (sizeof(init_vgmstream_fcns)/sizeof(init_vgmstream_fcns[0]))

src/vgmstream.h

@@ -229,6 +229,7 @@ typedef enum {
 	meta_DC_STR,			/* Evil Dead */
 	meta_NGC_BH2PCM,		/* Bio hazard 2 */
 	meta_SAT_SAP,			/* Bubble Symphony */
+	meta_DC_IDVI,			/* Eldorado Gate Volume 3 */
 
 	meta_XBOX_WAVM,			/* XBOX WAVM File */
 	meta_XBOX_RIFF,			/* XBOX RIFF/WAVE File */

winamp/in_vgmstream.c

@@ -178,6 +178,7 @@ char * extension_list[] = {
 	"xvas\0XVAS Audio File (*.XVAS)\0",
 	"bh2pcm\0BH2PCM Audio File (*.BH2PCM)\0",
 	"sap\0SAP Audio File (*.SAP)\0",
+	"idvi\0IDVI Audio File (*.IDVI)\0",
 };
 
 void about(HWND hwndParent) {