.bg00 added

git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@336 51a99a44-fe44-0410-b1ba-c3e57ba2b86b

src/libvgmstream.vcproj

@@ -298,6 +298,10 @@
 					RelativePath=".\meta\ps2_aus.c"
 					>
 				</File>
+				<File
+					RelativePath=".\meta\ps2_bg00.c"
+					>
+				</File>
 				<File
 					RelativePath=".\meta\ps2_bmdx.c"
 					>

src/meta/ps2_bg00.c

@@ -0,0 +1,65 @@
+#include "meta.h"
+#include "../util.h"
+
+/* BG0 (from Ibara, Mushihimesama) */
+VGMSTREAM * init_vgmstream_bg0(STREAMFILE *streamFile) {
+    VGMSTREAM * vgmstream = NULL;
+    char filename[260];
+    off_t start_offset;
+
+    int loop_flag = 0;
+	int channel_count;
+
+    /* check extension, case insensitive */
+    streamFile->get_name(streamFile,filename,sizeof(filename));
+    if (strcasecmp("bg0",filename_extension(filename))) goto fail;
+
+    /* check header */
+    if (read_32bitBE(0x00,streamFile) != 0x42473030) /* "BG00" */
+        goto fail;
+
+    loop_flag = (read_32bitLE(0x08,streamFile)!=0);
+    channel_count = 2;
+    
+	/* build the VGMSTREAM */
+    vgmstream = allocate_vgmstream(channel_count,loop_flag);
+    if (!vgmstream) goto fail;
+
+	/* fill in the vital statistics */
+    start_offset = 0x800;
+	vgmstream->channels = channel_count;
+    vgmstream->sample_rate = read_32bitBE(0x80,streamFile);
+    vgmstream->coding_type = coding_PSX;
+    vgmstream->num_samples = (read_32bitBE(0x4C,streamFile)*2)*28/16/channel_count;
+    if (loop_flag) {
+        vgmstream->loop_start_sample = 0; /* (read_32bitBE(0x4C,streamFile))*28/16/channel_count; */
+        vgmstream->loop_end_sample = (read_32bitBE(0x4C,streamFile)*2)*28/16/channel_count;
+    }
+
+    vgmstream->layout_type = layout_interleave;
+    vgmstream->interleave_block_size = read_32bitLE(0x10,streamFile);
+    vgmstream->meta_type = meta_BG0;
+
+    /* 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/rsd.c

@@ -9,7 +9,7 @@ VGMSTREAM * init_vgmstream_rsd(STREAMFILE *streamFile) {
     
 	coding_t coding_type;
     
-	int loop_flag = 0;
+	int loop_flag;
 	int channel_count;
 	int rsd_ident;
     
@@ -24,8 +24,8 @@ VGMSTREAM * init_vgmstream_rsd(STREAMFILE *streamFile) {
         goto fail;
 
 
-    loop_flag = (read_16bitLE(0x12,streamFile));
+    loop_flag = (read_32bitLE(0x90,streamFile)!=0);
-    channel_count = (read_16bitLE(0x8,streamFile));
+    channel_count = (read_32bitLE(0x8,streamFile));
     
 
 	/* build the VGMSTREAM */
@@ -43,7 +43,7 @@ VGMSTREAM * init_vgmstream_rsd(STREAMFILE *streamFile) {
 		vgmstream->interleave_block_size = read_32bitLE(0x0C,streamFile);
 		vgmstream->num_samples = (get_streamfile_size(streamFile)-0x800)*28/16/channel_count;
 	if (loop_flag) {
-        vgmstream->loop_start_sample = (loop_flag)*28/2;
+        vgmstream->loop_start_sample = (read_32bitLE(0x94,streamFile))*28/16/channel_count;
         vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-0x800)*28/16/channel_count;
 	}
 	break;
@@ -67,7 +67,7 @@ vgmstream->meta_type = meta_RSD;
 
 	start_offset = 0x800;
 	vgmstream->channels = channel_count;
-    vgmstream->sample_rate = read_16bitLE(0x10,streamFile);
+    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
 	vgmstream->coding_type = coding_type;
 
 

src/vgmstream.h

@@ -187,6 +187,7 @@ typedef enum {
 	meta_FILP,				/* Resident Evil - Dead Aim */
 	meta_IKM,				/* Zwei! */
 	meta_SFS,				/* Baroque */
+	meta_BG0,				/* Ibara, Mushihimesama */
 
 	meta_XBOX_WAVM,			/* XBOX WAVM File */
 	meta_XBOX_RIFF,			/* XBOX RIFF/WAVE File */