.ivb

git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@289 51a99a44-fe44-0410-b1ba-c3e57ba2b86b

readme.txt

@@ -98,6 +98,7 @@ File types supported by this version of vgmstream:
 - .str (SDX2 DPCM)
 - .aud (IMA ADPCM, WS DPCM)
 - .ahx (MPEG-2 Layer II)
+- .ivb (PS2 ADPCM)
 
 Enjoy!
 -hcs

src/Makefile

@@ -65,7 +65,8 @@ META_OBJS=meta/adx_header.o \
     meta/aifc.o \
     meta/str_snds.o \
     meta/ws_aud.o \
-    meta/ahx.o
+    meta/ahx.o \
+    meta/ivb.o
 
 OBJECTS=vgmstream.o streamfile.o util.o $(CODING_OBJS) $(LAYOUT_OBJS) $(META_OBJS)
 

src/libvgmstream.vcproj

@@ -358,6 +358,10 @@
 					RelativePath=".\meta\ahx.c"
 					>
 				</File>
+				<File
+					RelativePath=".\meta\ivb.c"
+					>
+				</File>
 			</Filter>
 		</Filter>
 		<Filter

src/meta/Makefile.unix.am

@@ -4,6 +4,6 @@ AM_CFLAGS = -Wall @CFLAGS@ -I$(top_builddir) -I$(top_srcdir)
 AM_MAKEFLAGS=-f Makefile.unix
 
 libmeta_la_LDFLAGS = 
-libmeta_la_SOURCES = Cstr.c adx_header.c afc_header.c agsc.c ast.c brstm.c ea_header.c gcsw.c halpst.c nds_strm.c ngc_adpdtk.c ngc_caf.c ngc_dsp_std.c ps2_ads.c ps2_exst.c ps2_ild.c ps2_int.c ps2_mib.c ps2_mic.c ps2_npsf.c ps2_pnb.c ps2_rxw.c ps2_str.c ps2_svag.c ps2_vag.c ps2_vpk.c psx_cdxa.c raw.c rs03.c rsf.c rwsd.c psx_gms.c xbox_xwav.c xbox_wavm.c genh.c ogg_vorbis_file.c ps2_bmdx.c aifc.c str_snds.c ws_aud.c ahx.c
+libmeta_la_SOURCES = Cstr.c adx_header.c afc_header.c agsc.c ast.c brstm.c ea_header.c gcsw.c halpst.c nds_strm.c ngc_adpdtk.c ngc_caf.c ngc_dsp_std.c ps2_ads.c ps2_exst.c ps2_ild.c ps2_int.c ps2_mib.c ps2_mic.c ps2_npsf.c ps2_pnb.c ps2_rxw.c ps2_str.c ps2_svag.c ps2_vag.c ps2_vpk.c psx_cdxa.c raw.c rs03.c rsf.c rwsd.c psx_gms.c xbox_xwav.c xbox_wavm.c genh.c ogg_vorbis_file.c ps2_bmdx.c aifc.c str_snds.c ws_aud.c ahx.c ivb.c
 
 EXTRA_DIST = meta.h

src/meta/ivb.c

@@ -0,0 +1,60 @@
+#include "meta.h"
+#include "../util.h"
+
+/* a simple PS2 ADPCM format seen in Langrisser 3 */
+VGMSTREAM * init_vgmstream_ivb(STREAMFILE *streamFile) {
+    VGMSTREAM * vgmstream = NULL;
+    char filename[260];
+    off_t start_offset;
+    off_t stream_length;
+
+    int loop_flag = 0;
+	int channel_count;
+
+    /* check extension, case insensitive */
+    streamFile->get_name(streamFile,filename,sizeof(filename));
+    if (strcasecmp("ivb",filename_extension(filename))) goto fail;
+
+    /* check header */
+    if (read_32bitBE(0x00,streamFile) != 0x42564949) /* "BVII", probably */
+        goto fail;                                   /* supposed to be "IIVB"*/
+
+    loop_flag = 0;
+    channel_count = 2;
+    
+	/* build the VGMSTREAM */
+    vgmstream = allocate_vgmstream(channel_count,loop_flag);
+    if (!vgmstream) goto fail;
+
+	/* fill in the vital statistics */
+	vgmstream->channels = channel_count;
+    vgmstream->sample_rate = read_32bitBE(0x8,streamFile);  /* big endian? */
+    vgmstream->coding_type = coding_PSX;
+    stream_length = read_32bitLE(0x04,streamFile);
+    start_offset = 0x10;
+    vgmstream->num_samples = stream_length*28/16;
+
+    vgmstream->layout_type = layout_none;
+    vgmstream->meta_type = meta_PS2_IVB;
+
+    /* open the file for reading */
+    {
+        int i;
+        for (i=0;i<channel_count;i++) {
+            vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
+
+            if (!vgmstream->ch[i].streamfile) goto fail;
+
+            vgmstream->ch[i].channel_start_offset=
+                vgmstream->ch[i].offset=start_offset+stream_length*i;
+
+        }
+    }
+
+    return vgmstream;
+
+    /* clean up anything we may have opened */
+fail:
+    if (vgmstream) close_vgmstream(vgmstream);
+    return NULL;
+}

src/meta/meta.h

@@ -101,4 +101,6 @@ VGMSTREAM * init_vgmstream_ws_aud(STREAMFILE * streamFile);
 VGMSTREAM * init_vgmstream_ahx(STREAMFILE * streamFile);
 #endif
 
+VGMSTREAM * init_vgmstream_ivb(STREAMFILE * streamFile);
+
 #endif

src/vgmstream.c

@@ -66,6 +66,7 @@ VGMSTREAM * (*init_vgmstream_fcns[])(STREAMFILE *streamFile) = {
 #ifdef VGM_USE_MPEG
     init_vgmstream_ahx,
 #endif
+    init_vgmstream_ivb,
 };
 
 #define INIT_VGMSTREAM_FCNS (sizeof(init_vgmstream_fcns)/sizeof(init_vgmstream_fcns[0]))
@@ -1029,6 +1030,9 @@ void describe_vgmstream(VGMSTREAM * vgmstream, char * desc, int length) {
             snprintf(temp,TEMPSIZE,"CRI AHX header");
             break;
 #endif
+        case meta_PS2_IVB:
+            snprintf(temp,TEMPSIZE,"IVB/BVII header");
+            break;
         default:
             snprintf(temp,TEMPSIZE,"THEY SHOULD HAVE SENT A POET");
     }

src/vgmstream.h

@@ -142,6 +142,7 @@ typedef enum {
 	meta_PS2_VAGs,			/* VAG Stereo from Kingdom Hearts */
 	meta_PS2_VPK,			/* VPK Audio File */
     meta_PS2_BMDX,          /* Beatmania thing */
+    meta_PS2_IVB,           /* Langrisser 3 PS2 */
 
 	meta_XBOX_WAVM,			/* XBOX WAVM File */
 	meta_XBOX_RIFF,			/* XBOX RIFF/WAVE File */

unix/data.c

@@ -64,6 +64,7 @@ gchar *vgmstream_exts [] = {
   "aifc",
   "aud",
   "ahx",
+  "ivb",
   /* terminator */
   NULL
 };

winamp/in_vgmstream.c

@@ -122,6 +122,7 @@ char * extension_list[] = {
     "aifc\0AIFC Audio File (*.AIFC)\0",
     "aud\0AUD Audio File (*.AUD)\0",
     "ahx\0AHX Audio File (*.AHX)\0",
+    "ivb\0IVB Audio File (*.IVB)\0",
 };
 
 void about(HWND hwndParent) {