hlwav support for Half Life 2 (XBOX)

git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@710 51a99a44-fe44-0410-b1ba-c3e57ba2b86b

src/Makefile

@@ -213,7 +213,8 @@ META_OBJS=meta/adx_header.o \
     meta/wii_bns.o \
     meta/wii_was.o \
     meta/pona.o \
-    meta/fsb_test.o
+    meta/fsb_test.o \
+    meta/xbox_hlwav.o
     
 OBJECTS=vgmstream.o streamfile.o util.o $(CODING_OBJS) $(LAYOUT_OBJS) $(META_OBJS)
 

src/libvgmstream.vcproj

@@ -838,6 +838,10 @@
 					RelativePath=".\meta\wvs.c"
 					>
 				</File>
+				<File
+					RelativePath=".\meta\xbox_hlwav.c"
+					>
+				</File>
 				<File
 					RelativePath=".\meta\xbox_ims.c"
 					>

src/meta/Makefile.unix.am

@@ -171,5 +171,6 @@ libmeta_la_SOURCES += wii_bns.c
 libmeta_la_SOURCES += wii_was.c
 libmeta_la_SOURCES += pona.c
 libmeta_la_SOURCES += fsb_test.c
+libmeta_la_SOURCES += xbox_hlwav.c
 
 EXTRA_DIST = meta.h

src/meta/meta.h

@@ -421,4 +421,6 @@ VGMSTREAM * init_vgmstream_wii_was(STREAMFILE* streamFile);
 
 VGMSTREAM * init_vgmstream_pona(STREAMFILE* streamFile);
 
+VGMSTREAM * init_vgmstream_xbox_hlwav(STREAMFILE* streamFile);
+
 #endif

src/meta/xbox_hlwav.c

@@ -0,0 +1,64 @@
+#include "meta.h"
+#include "../util.h"
+
+/* HLWAV (from Half Life 2 [XBOX]) */
+VGMSTREAM * init_vgmstream_xbox_hlwav(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("hlwav",filename_extension(filename))) goto fail;
+    
+    /* check header and size */
+    if ((read_32bitBE(0x00,streamFile) != 0x14000000)) goto fail;
+    if (((read_32bitLE(0x4,streamFile) + (read_32bitLE(0x8,streamFile))) != get_streamfile_size(streamFile))) goto fail;
+
+    loop_flag = (read_32bitLE(0xC,streamFile)!= 0xFFFFFFFF);
+    channel_count = 2;
+    
+	/* build the VGMSTREAM */
+    vgmstream = allocate_vgmstream(channel_count,loop_flag);
+    if (!vgmstream) goto fail;
+
+	/* fill in the vital statistics */
+    start_offset = read_32bitLE(0x8,streamFile);
+	vgmstream->channels = channel_count;
+    vgmstream->sample_rate = 22050;
+    vgmstream->coding_type = coding_PCM16LE;
+    vgmstream->num_samples = read_32bitLE(0x4,streamFile)/2/channel_count;
+    if (loop_flag) {
+        vgmstream->loop_start_sample = read_32bitLE(0x4,streamFile)/2/channel_count;
+        vgmstream->loop_end_sample = read_32bitLE(0xC,streamFile)/2/channel_count;
+    }
+
+    vgmstream->layout_type = layout_interleave;
+    vgmstream->interleave_block_size = 0x2;
+    vgmstream->meta_type = meta_XBOX_HLWAV;
+
+    /* 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

@@ -231,6 +231,7 @@ VGMSTREAM * (*init_vgmstream_fcns[])(STREAMFILE *streamFile) = {
     init_vgmstream_wii_bns,
     init_vgmstream_wii_was,
     init_vgmstream_pona,
+    init_vgmstream_xbox_hlwav,
 };
 
 #define INIT_VGMSTREAM_FCNS (sizeof(init_vgmstream_fcns)/sizeof(init_vgmstream_fcns[0]))
@@ -2336,6 +2337,9 @@ void describe_vgmstream(VGMSTREAM * vgmstream, char * desc, int length) {
         case meta_WII_WAS:
             snprintf(temp,TEMPSIZE,"DiRT2 WAS header");
             break;
+        case meta_XBOX_HLWAV:
+            snprintf(temp,TEMPSIZE,"Half Life 2 bgm header");
+            break;
         default:
            snprintf(temp,TEMPSIZE,"THEY SHOULD HAVE SENT A POET");
     }

src/vgmstream.h

@@ -418,6 +418,7 @@ typedef enum {
     meta_EXAKT_SC,          /* Activision EXAKT .SC (PS2) */
     meta_WII_WAS,           /* DiRT 2 (WII) */
     meta_PONA,              /* Policenauts (3DO + PSX) */
+    meta_XBOX_HLWAV,        /* Half Life 2 (XBOX) */
 } meta_t;
 
 typedef struct {

winamp/in_vgmstream.c

@@ -141,6 +141,7 @@ char * extension_list[] = {
     "gsb\0GSB Audio File (*.GSB)\0",
 
     "hgc1\0HGC1 Audio File (*.HGC1)\0",
+    "hlwav\0HLWAV Audio File (*.HLWAV)\0",
     "hps\0HALPST Audio File (*.HPS)\0",
     "hwas\0HWAS Audio File (*.HWAS)\0",