add new extension for SGXD/WAVE

git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@933 51a99a44-fe44-0410-b1ba-c3e57ba2b86b

src/meta/meta.h

@@ -573,4 +573,6 @@ VGMSTREAM * init_vgmstream_eb_sf0(STREAMFILE* streamFile);
 
 VGMSTREAM * init_vgmstream_ps3_klbs(STREAMFILE* streamFile);
 
+VGMSTREAM * init_vgmstream_ps3_sgx(STREAMFILE* streamFile);
+
 #endif

src/meta/ps3_sgh_sgb.c

@@ -73,3 +73,67 @@ fail:
     if (vgmstream) close_vgmstream(vgmstream);
     return NULL;
 }
+
+
+VGMSTREAM * init_vgmstream_ps3_sgx(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("sgx",filename_extension(filename))) goto fail;
+
+    /* check header */
+    if (read_32bitBE(0x00,streamFile) != 0x53475844) /* "SGXD" */
+        goto fail;
+
+    loop_flag = (read_32bitLE(0x44,streamFile) != 0xFFFFFFFF);
+    channel_count = read_8bit(0x29,streamFile);
+    
+	if (channel_count == 5)
+		goto fail;
+	/* build the VGMSTREAM */
+    vgmstream = allocate_vgmstream(channel_count,loop_flag);
+    if (!vgmstream) goto fail;
+
+	/* fill in the vital statistics */
+    start_offset = read_32bitLE(0x4,streamFile);
+	vgmstream->channels = channel_count;
+    vgmstream->sample_rate = read_32bitLE(0x2C,streamFile);
+    vgmstream->coding_type = coding_PSX;
+    vgmstream->num_samples = read_32bitLE(0xC,streamFile)*28/16/channel_count;
+    if (loop_flag) {
+        vgmstream->loop_start_sample = read_32bitLE(0x44,streamFile);
+        vgmstream->loop_end_sample = read_32bitLE(0x48,streamFile);
+    }
+
+    vgmstream->layout_type = layout_interleave;
+    vgmstream->interleave_block_size = read_32bitLE(0x8,streamFile);
+    vgmstream->meta_type = meta_PS3_SGX;
+
+    /* 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/vgmstream.c

@@ -308,6 +308,7 @@ VGMSTREAM * (*init_vgmstream_fcns[])(STREAMFILE *streamFile) = {
     init_vgmstream_eb_sfx,
     init_vgmstream_eb_sf0,
 	init_vgmstream_ps3_klbs,
+	init_vgmstream_ps3_sgx,
 };
 
 #define INIT_VGMSTREAM_FCNS (sizeof(init_vgmstream_fcns)/sizeof(init_vgmstream_fcns[0]))
@@ -2831,6 +2832,9 @@ void describe_vgmstream(VGMSTREAM * vgmstream, char * desc, int length) {
             break;
         case meta_PS3_KLBS:
             snprintf(temp,TEMPSIZE,"klBS Header");
+            break;
+        case meta_PS3_SGX:
+            snprintf(temp,TEMPSIZE,"PS3 SGXD/WAVE header");
             break;
 		default:
            snprintf(temp,TEMPSIZE,"THEY SHOULD HAVE SENT A POET");

src/vgmstream.h

@@ -521,6 +521,7 @@ typedef enum {
     meta_EB_SFX,            // Excitebots .sfx
     meta_EB_SF0,            // Excitebots .sf0
 	meta_PS3_KLBS,          // L@VE ONCE (PS3)
+	meta_PS3_SGX,
 } meta_t;
 
 typedef struct {

winamp/in_vgmstream.c

@@ -259,6 +259,7 @@ char * extension_list[] = {
     "sfs\0SFS Audio File (*.SFS)\0",
     "sfx\0SFX Audio File (*.SFX)\0",
 	"sgb\0SGB Audio File (*.SGB)\0",
+	"sgx\0SGX Audio File (*.SGX)\0",
     "sl3\0SL3 Audio File (*.SL3)\0",
     "sli\0SLI Audio File (*.SLI)\0",
     "smp\0SMP Audio File (*.SMP)\0",