diff --git a/Frameworks/vgmstream/libvgmstream.xcodeproj/project.pbxproj b/Frameworks/vgmstream/libvgmstream.xcodeproj/project.pbxproj
index f9184139f..e564b17c2 100644
--- a/Frameworks/vgmstream/libvgmstream.xcodeproj/project.pbxproj
+++ b/Frameworks/vgmstream/libvgmstream.xcodeproj/project.pbxproj
@@ -213,6 +213,8 @@
 		8351F32D2212B57000A606E4 /* 208.c in Sources */ = {isa = PBXBuildFile; fileRef = 8351F32A2212B57000A606E4 /* 208.c */; };
 		8351F32E2212B57000A606E4 /* ubi_bao_streamfile.h in Headers */ = {isa = PBXBuildFile; fileRef = 8351F32B2212B57000A606E4 /* ubi_bao_streamfile.h */; };
 		8351F32F2212B57000A606E4 /* dsf.c in Sources */ = {isa = PBXBuildFile; fileRef = 8351F32C2212B57000A606E4 /* dsf.c */; };
+		835C883622CC17BE001B4B3F /* bwav.c in Sources */ = {isa = PBXBuildFile; fileRef = 835C883122CC17BD001B4B3F /* bwav.c */; };
+		835C883722CC17BE001B4B3F /* ogg_vorbis_streamfile.h in Headers */ = {isa = PBXBuildFile; fileRef = 835C883522CC17BE001B4B3F /* ogg_vorbis_streamfile.h */; };
 		836F6B4718BDB8880095E648 /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; fileRef = 836F6B4518BDB8880095E648 /* InfoPlist.strings */; };
 		836F6F1E18BDC2190095E648 /* acm_decoder.c in Sources */ = {isa = PBXBuildFile; fileRef = 836F6DE018BDC2180095E648 /* acm_decoder.c */; };
 		836F6F2018BDC2190095E648 /* adx_decoder.c in Sources */ = {isa = PBXBuildFile; fileRef = 836F6DE218BDC2180095E648 /* adx_decoder.c */; };
@@ -873,6 +875,8 @@
 		8351F32A2212B57000A606E4 /* 208.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = 208.c; sourceTree = "<group>"; };
 		8351F32B2212B57000A606E4 /* ubi_bao_streamfile.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ubi_bao_streamfile.h; sourceTree = "<group>"; };
 		8351F32C2212B57000A606E4 /* dsf.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = dsf.c; sourceTree = "<group>"; };
+		835C883122CC17BD001B4B3F /* bwav.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = bwav.c; sourceTree = "<group>"; };
+		835C883522CC17BE001B4B3F /* ogg_vorbis_streamfile.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ogg_vorbis_streamfile.h; sourceTree = "<group>"; };
 		836F6B3918BDB8880095E648 /* libvgmstream.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = libvgmstream.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		836F6B4418BDB8880095E648 /* libvgmstream-Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "libvgmstream-Info.plist"; sourceTree = "<group>"; };
 		836F6B4618BDB8880095E648 /* en */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = en; path = en.lproj/InfoPlist.strings; sourceTree = "<group>"; };
@@ -1526,6 +1530,7 @@
 				836F6E3918BDC2180095E648 /* bnsf.c */,
 				836F6E3A18BDC2180095E648 /* brstm.c */,
 				83EDE5D71A70951A005F5D84 /* btsnd.c */,
+				835C883122CC17BD001B4B3F /* bwav.c */,
 				8306B0CF2098458F000302D4 /* caf.c */,
 				836F6E3B18BDC2180095E648 /* capdsp.c */,
 				834FE0E8215C79EC000A5D3D /* ck.c */,
@@ -1657,6 +1662,7 @@
 				834FE0DB215C79EA000A5D3D /* nxa.c */,
 				8306B0C02098458C000302D4 /* nxap.c */,
 				832BF81321E05149006F50F1 /* ogg_opus.c */,
+				835C883522CC17BE001B4B3F /* ogg_vorbis_streamfile.h */,
 				83A21F7F201D8980000F04B9 /* ogg_vorbis.c */,
 				831BA60F1EAC61A500CF89B0 /* ogl.c */,
 				8349A8FB1FE6257F00E26435 /* omu.c */,
@@ -1920,6 +1926,7 @@
 				832BF82C21E0514B006F50F1 /* hca_keys_awb.h in Headers */,
 				8306B0E020984590000302D4 /* ppst_streamfile.h in Headers */,
 				834FE0BA215C798C000A5D3D /* ea_mt_decoder_utk.h in Headers */,
+				835C883722CC17BE001B4B3F /* ogg_vorbis_streamfile.h in Headers */,
 				832BF82021E0514B006F50F1 /* zsnd_streamfile.h in Headers */,
 				8375737721F950ED00F01AF5 /* ubi_sb_streamfile.h in Headers */,
 				839E21E01F2EDAF100EE54D7 /* vorbis_custom_data_fsb.h in Headers */,
@@ -2200,6 +2207,7 @@
 				8306B0ED20984590000302D4 /* txtp.c in Sources */,
 				836F6FA018BDC2190095E648 /* musx.c in Sources */,
 				836F705818BDC2190095E648 /* vgmstream.c in Sources */,
+				835C883622CC17BE001B4B3F /* bwav.c in Sources */,
 				8349A90A1FE6258200E26435 /* sab.c in Sources */,
 				836F6F6818BDC2190095E648 /* ads.c in Sources */,
 				8306B08620984518000302D4 /* fadpcm_decoder.c in Sources */,
diff --git a/Frameworks/vgmstream/vgmstream/src/coding/mpeg_custom_utils.c b/Frameworks/vgmstream/vgmstream/src/coding/mpeg_custom_utils.c
index f0d62fa34..f0c3a913a 100644
--- a/Frameworks/vgmstream/vgmstream/src/coding/mpeg_custom_utils.c
+++ b/Frameworks/vgmstream/vgmstream/src/coding/mpeg_custom_utils.c
@@ -78,18 +78,23 @@ int mpeg_custom_setup_init_default(STREAMFILE *streamFile, off_t start_offset, m
 
     //todo: test more: this improves the output, but seems formats aren't usually prepared
     // (and/or the num_samples includes all possible samples in file, so by discarding some it'll reach EOF)
-#if 0
+
     /* set encoder delay (samples to skip at the beginning of a stream) if needed, which varies with encoder used */
     switch(data->type) {
-        case MPEG_AHX: data->skip_samples = 480; break; /* observed default */
-        case MPEG_P3D: data->skip_samples = info.frame_samples; break; /* matches Radical ADPCM (PC) output */
+        //case MPEG_AHX: data->skip_samples = 480; break; /* observed default */
+        //case MPEG_P3D: data->skip_samples = info.frame_samples; break; /* matches Radical ADPCM (PC) output */
+
         /* FSBs (with FMOD DLLs) don't seem to need it. Particularly a few games (all from Wayforward?)
          * contain audible garbage at the beginning, but it's actually there in-game too */
-        case MPEG_FSB: data->skip_samples = 0;
-        default: break;
+        //case MPEG_FSB: data->skip_samples = 0; break;
+
+        case MPEG_XVAG: /* set in header and needed for gapless looping */
+            data->skip_samples = data->config.skip_samples; break;
+        default:
+            break;
     }
     data->samples_to_discard = data->skip_samples;
-#endif
+
 
     return 1;
 fail:
diff --git a/Frameworks/vgmstream/vgmstream/src/formats.c b/Frameworks/vgmstream/vgmstream/src/formats.c
index 6aec98765..bb47f437f 100644
--- a/Frameworks/vgmstream/vgmstream/src/formats.c
+++ b/Frameworks/vgmstream/vgmstream/src/formats.c
@@ -101,6 +101,7 @@ static const char* extension_list[] = {
     "brstmspm",
     "btsnd",
     "bvg",
+    "bwav",
 
     "caf",
     "capdsp",
@@ -1189,6 +1190,7 @@ static const meta_info meta_info_list[] = {
         {meta_MSF_KONAMI,           "Konami MSF header"},
         {meta_XWMA_KONAMI,          "Konami XWMA header"},
         {meta_9TAV,                 "Konami 9TAV header"},
+        {meta_BWAV,                 "Nintendo BWAV header"},
 
 };
 
diff --git a/Frameworks/vgmstream/vgmstream/src/meta/bwav.c b/Frameworks/vgmstream/vgmstream/src/meta/bwav.c
new file mode 100644
index 000000000..c07805664
--- /dev/null
+++ b/Frameworks/vgmstream/vgmstream/src/meta/bwav.c
@@ -0,0 +1,49 @@
+#include "meta.h"
+#include "../coding/coding.h"
+
+/* BWAV - NintendoWare(?) [Super Mario Maker 2 (Switch)] */
+VGMSTREAM * init_vgmstream_bwav(STREAMFILE *streamFile) {
+    VGMSTREAM * vgmstream = NULL;
+    off_t start_offset;
+    int channel_count, loop_flag;
+    size_t interleave = 0;
+    int32_t coef_start_offset, coef_spacing;
+
+    /* checks */
+    if (!check_extensions(streamFile, "bwav"))
+        goto fail;
+
+    /* BWAV header */
+    if (read_32bitBE(0x00, streamFile) != 0x42574156) /* "BWAV" */
+        goto fail;
+
+    channel_count = read_16bitLE(0x0E, streamFile);
+    start_offset = read_32bitLE(0x40, streamFile);
+    loop_flag = read_32bitLE(0x4C, streamFile);
+
+    /* build the VGMSTREAM */
+    vgmstream = allocate_vgmstream(channel_count, loop_flag);
+    if (!vgmstream) goto fail;
+
+    vgmstream->sample_rate = read_32bitLE(0x14, streamFile);
+    vgmstream->num_samples = read_32bitLE(0x18, streamFile);
+    vgmstream->loop_start_sample = read_32bitLE(0x50, streamFile);
+    vgmstream->loop_end_sample = read_32bitLE(0x4C, streamFile);
+    vgmstream->meta_type = meta_BWAV;
+    vgmstream->layout_type = (channel_count == 1) ? layout_none : layout_interleave;
+    vgmstream->interleave_block_size = read_32bitLE(0x8C, streamFile) - start_offset;
+    vgmstream->coding_type = coding_NGC_DSP;
+    
+    coef_start_offset = 0x20;
+    coef_spacing = 0x4C;
+    dsp_read_coefs_le(vgmstream, streamFile, coef_start_offset, coef_spacing);
+
+
+    if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
+        goto fail;
+    return vgmstream;
+
+fail:
+    close_vgmstream(vgmstream);
+    return NULL;
+}
diff --git a/Frameworks/vgmstream/vgmstream/src/meta/hd3_bd3.c b/Frameworks/vgmstream/vgmstream/src/meta/hd3_bd3.c
index 1fbad671f..c69f2ad94 100644
--- a/Frameworks/vgmstream/vgmstream/src/meta/hd3_bd3.c
+++ b/Frameworks/vgmstream/vgmstream/src/meta/hd3_bd3.c
@@ -35,9 +35,14 @@ VGMSTREAM * init_vgmstream_hd3_bd3(STREAMFILE *streamFile) {
         if (read_32bitBE(section_offset+0x00,streamHeader) != 0x50335641) /* "P3VA" */
             goto fail;
         section_size = read_32bitBE(section_offset+0x04,streamHeader); /* (not including first 0x08) */
-        /* 0x08 always 0x10? */
-        entries = read_32bitBE(section_offset+0x14,streamHeader) + 1;
-        if (entries != (section_size-0x18) / 0x10)
+        /* 0x08 size of all subsong headers + 0x10 */
+
+        entries = read_32bitBE(section_offset+0x14,streamHeader);
+        /* often there is an extra subsong than written, but may be padding instead */
+        if (read_32bitBE(section_offset + 0x20 + entries*0x10 + 0x04,streamHeader)) /* has sample rate */
+            entries += 1;
+
+        if (entries * 0x10 > section_size) /* just in case, padding after entries is possible */
             goto fail;
 
         /* autodetect use of N bank entries as channels [Elevator Action Deluxe (PS3)] */
diff --git a/Frameworks/vgmstream/vgmstream/src/meta/meta.h b/Frameworks/vgmstream/vgmstream/src/meta/meta.h
index a11110950..1eb4c1e89 100644
--- a/Frameworks/vgmstream/vgmstream/src/meta/meta.h
+++ b/Frameworks/vgmstream/vgmstream/src/meta/meta.h
@@ -854,4 +854,6 @@ VGMSTREAM * init_vgmstream_9tav(STREAMFILE* streamFile);
 
 VGMSTREAM * init_vgmstream_fsb5_fev_bank(STREAMFILE * streamFile);
 
+VGMSTREAM * init_vgmstream_bwav(STREAMFILE * streamFile);
+
 #endif /*_META_H*/
diff --git a/Frameworks/vgmstream/vgmstream/src/meta/ogg_vorbis.c b/Frameworks/vgmstream/vgmstream/src/meta/ogg_vorbis.c
index 9ad81942b..c7cd4896d 100644
--- a/Frameworks/vgmstream/vgmstream/src/meta/ogg_vorbis.c
+++ b/Frameworks/vgmstream/vgmstream/src/meta/ogg_vorbis.c
@@ -3,8 +3,9 @@
 #ifdef VGM_USE_VORBIS
 #include <stdio.h>
 #include <string.h>
-#include "meta.h"
 #include <vorbis/vorbisfile.h>
+#include "meta.h"
+#include "ogg_vorbis_streamfile.h"
 
 #define OGG_DEFAULT_BITSTREAM 0
 
@@ -110,64 +111,12 @@ static void psychic_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb
     size_t bytes_read = size*nmemb;
     int i;
 
-    /* bytes add 0x23 ('#') */
+    /* bytes add 0x23 ('#') */ //todo incorrect, add changes every 0x64 bytes
     for (i = 0; i < bytes_read; i++) {
         ((uint8_t*)ptr)[i] += 0x23;
     }
 }
 
-static void sngw_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
-    size_t bytes_read = size*nmemb;
-    ogg_vorbis_streamfile * const ov_streamfile = datasource;
-    int i;
-    char *header_id = "OggS";
-    uint8_t key[4];
-
-    put_32bitBE(key, ov_streamfile->xor_value);
-
-    /* first "OggS" is changed and bytes are xor'd and nibble-swapped */
-    for (i = 0; i < bytes_read; i++) {
-        if (ov_streamfile->offset+i < 0x04) {
-            ((uint8_t*)ptr)[i] = (uint8_t)header_id[(ov_streamfile->offset + i) % 4];
-        }
-        else {
-            uint8_t val = ((uint8_t*)ptr)[i] ^ key[(ov_streamfile->offset + i) % 4];
-            ((uint8_t*)ptr)[i] = ((val << 4) & 0xf0) | ((val >> 4) & 0x0f);
-        }
-    }
-}
-
-static void isd_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
-    static const uint8_t key[16] = {
-            0xe0,0x00,0xe0,0x00,0xa0,0x00,0x00,0x00,0xe0,0x00,0xe0,0x80,0x40,0x40,0x40,0x00
-    };
-    size_t bytes_read = size*nmemb;
-    ogg_vorbis_streamfile * const ov_streamfile = datasource;
-    int i;
-
-    /* bytes are xor'd */
-    for (i = 0; i < bytes_read; i++) {
-        ((uint8_t*)ptr)[i] ^= key[(ov_streamfile->offset + i) % 16];
-    }
-}
-
-static void l2sd_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
-    size_t bytes_read = size*nmemb;
-    ogg_vorbis_streamfile * const ov_streamfile = datasource;
-    int i;
-    char *header_id = "OggS";
-
-    /* first "OggS" is changed */
-    for (i = 0; i < bytes_read; i++) {
-        if (ov_streamfile->offset+i < 0x04) {
-            ((uint8_t*)ptr)[i] = (uint8_t)header_id[(ov_streamfile->offset + i) % 4];
-        }
-        else {
-            break;
-        }
-    }
-}
-
 static void rpgmvo_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
     static const uint8_t header[16] = { /* OggS, packet type, granule, stream id(empty) */
             0x4F,0x67,0x67,0x53,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
@@ -191,89 +140,6 @@ static void rpgmvo_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb,
     }
 }
 
-static void eno_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
-    size_t bytes_read = size*nmemb;
-    ogg_vorbis_streamfile * const ov_streamfile = datasource;
-    int i;
-
-    /* bytes are xor'd */
-    for (i = 0; i < bytes_read; i++) {
-        ((uint8_t*)ptr)[i] ^= (uint8_t)ov_streamfile->xor_value;
-    }
-}
-
-static void ys8_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
-    size_t bytes_read = size*nmemb;
-    ogg_vorbis_streamfile * const ov_streamfile = datasource;
-    int i;
-
-    /* bytes are xor'd and nibble-swapped */
-    for (i = 0; i < bytes_read; i++) {
-        uint8_t val = ((uint8_t*)ptr)[i] ^ ov_streamfile->xor_value;
-        ((uint8_t*)ptr)[i] = ((val << 4) & 0xf0) | ((val >> 4) & 0x0f);
-    }
-}
-
-static void gwm_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
-    size_t bytes_read = size*nmemb;
-    ogg_vorbis_streamfile * const ov_streamfile = datasource;
-    int i;
-
-    /* bytes are xor'd */
-    for (i = 0; i < bytes_read; i++) {
-        ((uint8_t*)ptr)[i] ^= (uint8_t)ov_streamfile->xor_value;
-    }
-}
-
-static void mus_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
-    static const uint8_t key[16] = {
-            0x21,0x4D,0x6F,0x01,0x20,0x4C,0x6E,0x02,0x1F,0x4B,0x6D,0x03,0x20,0x4C,0x6E,0x02
-    };
-
-    size_t bytes_read = size*nmemb;
-    ogg_vorbis_streamfile * const ov_streamfile = datasource;
-    int i;
-    char *header_id = "OggS";
-
-    /* first "OggS" is changed and bytes are xor'd */
-    for (i = 0; i < bytes_read; i++) {
-        if (ov_streamfile->offset+i < 0x04) { /* if decrypted gives "Mus " */
-            ((uint8_t*)ptr)[i] = (uint8_t)header_id[(ov_streamfile->offset + i) % 4];
-        }
-        else {
-            ((uint8_t*)ptr)[i] ^= key[(ov_streamfile->offset + i) % sizeof(key)];
-        }
-    }
-}
-
-static void lse_add_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
-    size_t bytes_read = size*nmemb;
-    ogg_vorbis_streamfile * const ov_streamfile = datasource;
-    int i;
-
-    /* bytes are xor'd */
-    for (i = 0; i < bytes_read; i++) {
-        int key = (uint8_t)ov_streamfile->xor_value + ((ov_streamfile->offset + i) % 256);
-        ((uint8_t*)ptr)[i] ^= key;
-    }
-}
-
-static void lse_ff_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
-    size_t bytes_read = size*nmemb;
-    ogg_vorbis_streamfile * const ov_streamfile = datasource;
-    int i;
-    char *header_id = "OggS";
-
-    /* first "OggS" is changed and bytes are xor'd */
-    for (i = 0; i < bytes_read; i++) {
-        if (ov_streamfile->offset+i < 0x04) {
-            ((uint8_t*)ptr)[i] = (uint8_t)header_id[(ov_streamfile->offset + i) % 4];
-        }
-        else {
-            ((uint8_t*)ptr)[i] ^= 0xFF;
-        }
-    }
-}
 
 static const uint32_t xiph_mappings[] = {
         0,
@@ -290,6 +156,9 @@ static const uint32_t xiph_mappings[] = {
 
 /* Ogg Vorbis, by way of libvorbisfile; may contain loop comments */
 VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
+    VGMSTREAM * vgmstream = NULL;
+    STREAMFILE *temp_streamFile = NULL;
+    ogg_vorbis_io_config_data cfg = {0};
     ogg_vorbis_meta_info_t ovmi = {0};
     off_t start_offset = 0;
 
@@ -320,7 +189,7 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
         is_kovs = 1;
     } else if (check_extensions(streamFile,"sngw")) { /* .sngw: Capcom [Devil May Cry 4 SE (PC), Biohazard 6 (PC)] */
         is_sngw = 1;
-    } else if (check_extensions(streamFile,"isd")) { /* .isd: Azure Striker Gunvolt (PC) */
+    } else if (check_extensions(streamFile,"isd")) { /* .isd: Inti Creates PC games */
         is_isd = 1;
     } else if (check_extensions(streamFile,"rpgmvo")) { /* .rpgmvo: RPG Maker MV games (PC) */
         is_rpgmvo = 1;
@@ -341,14 +210,21 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
             ovmi.decryption_callback = psychic_ogg_decryption_callback;
             ovmi.meta_type = meta_OGG_encrypted;
         }
-        else if (read_32bitBE(0x00,streamFile) == 0x4C325344) { /* "L2SD" [Lineage II Chronicle 4 (PC)] */
-            ovmi.decryption_callback = l2sd_ogg_decryption_callback;
-            ovmi.meta_type = meta_OGG_encrypted;
+        else if (read_32bitBE(0x00,streamFile) == 0x4C325344) { /* "L2SD" instead of "OggS" [Lineage II Chronicle 4 (PC)] */
+            cfg.is_header_swap = 1;
+            cfg.is_encrypted = 1;
         }
         else if (read_32bitBE(0x00,streamFile) == 0x048686C5) { /* "OggS" XOR'ed + bitswapped [Ys VIII (PC)] */
-            ovmi.xor_value = 0xF0;
-            ovmi.decryption_callback = ys8_ogg_decryption_callback;
-            ovmi.meta_type = meta_OGG_encrypted;
+            cfg.key[0] = 0xF0;
+            cfg.key_len = 1;
+            cfg.is_nibble_swap = 1;
+            cfg.is_encrypted = 1;
+
+        }
+        else if (read_32bitBE(0x00,streamFile) == 0x00000000 && /* null instead of "OggS" [Yuppie Psycho (PC)] */
+                 read_32bitBE(0x3a,streamFile) == 0x4F676753) {
+            cfg.is_header_swap = 1;
+            cfg.is_encrypted = 1;
         }
         else if (read_32bitBE(0x00,streamFile) == 0x4f676753) { /* "OggS" (standard) */
             ovmi.meta_type = meta_OGG_VORBIS;
@@ -365,7 +241,7 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
         ovmi.meta_type = meta_OGG_encrypted;
     }
 
-    if (is_kovs) { /* Koei Tecmo PC games] */
+    if (is_kovs) { /* Koei Tecmo PC games */
         if (read_32bitBE(0x00,streamFile) != 0x4b4f5653) { /* "KOVS" */
             goto fail;
         }
@@ -379,24 +255,107 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
 
     if (is_sngw) { /* [Capcom's MT Framework PC games] */
         if (read_32bitBE(0x00,streamFile) != 0x4f676753) { /* "OggS" (optionally encrypted) */
-            ovmi.xor_value = read_32bitBE(0x00,streamFile);
-            ovmi.decryption_callback = sngw_ogg_decryption_callback;
+            cfg.key_len = read_streamfile(cfg.key, 0x00, 0x04, streamFile);
+            cfg.is_header_swap = 1;
+            cfg.is_nibble_swap = 1;
+            cfg.is_encrypted = 1;
         }
+
         ovmi.disable_reordering = 1; /* must be an MT Framework thing */
-        ovmi.meta_type = meta_OGG_encrypted;
     }
 
-    if (is_isd) { /* [Gunvolt (PC)] */
-        ovmi.decryption_callback = isd_ogg_decryption_callback;
-        ovmi.meta_type = meta_OGG_encrypted;
+    if (is_isd) { /* Inti Creates PC games */
+        const char *isl_name = NULL;
 
-        //todo looping unknown, not in Ogg comments
-        // game has sound/GV_steam.* files with info about sound/stream/*.isd
-        //- .ish: constant id/names
-        //- .isl: unknown table, maybe looping?
-        //- .isf: format table, ordered like file numbers, 0x18 header with:
-        //   0x00(2): ?, 0x02(2): channels, 0x04: sample rate, 0x08: skip samples (in PCM bytes), always 32000
-        //   0x0c(2): PCM block size, 0x0e(2): PCM bps, 0x10: null, 0x18: samples (in PCM bytes)
+        /* check various encrypted "OggS" values */
+        if (read_32bitBE(0x00,streamFile) == 0xAF678753) { /* Azure Striker Gunvolt (PC) */
+            static const uint8_t isd_gv_key[16] = {
+                    0xe0,0x00,0xe0,0x00,0xa0,0x00,0x00,0x00,0xe0,0x00,0xe0,0x80,0x40,0x40,0x40,0x00
+            };
+            cfg.key_len = sizeof(isd_gv_key);
+            memcpy(cfg.key, isd_gv_key, cfg.key_len);
+            isl_name = "GV_steam.isl";
+        }
+        else if (read_32bitBE(0x00,streamFile) == 0x0FE787D3) { /* Mighty Gunvolt (PC) */
+            static const uint8_t isd_mgv_key[120] = {
+                    0x40,0x80,0xE0,0x80,0x40,0x40,0xA0,0x00,0xA0,0x40,0x00,0x80,0x00,0x40,0xA0,0x00,
+                    0xC0,0x40,0xE0,0x00,0x60,0x40,0x80,0x00,0xA0,0x00,0xE0,0x00,0x60,0x40,0xC0,0x00,
+                    0xA0,0x40,0xC0,0x80,0xE0,0x00,0x60,0x00,0x00,0x40,0x00,0x80,0xE0,0x80,0x40,0x00,
+                    0xA0,0x80,0xA0,0x80,0x80,0xC0,0x60,0x00,0xA0,0x00,0xA0,0x80,0x40,0x80,0x60,0x00,
+                    0x40,0xC0,0x20,0x00,0x20,0xC0,0x00,0x00,0x00,0xC0,0x20,0x00,0xC0,0xC0,0x60,0x00,
+                    0xE0,0xC0,0x80,0x80,0x20,0x00,0x60,0x00,0xE0,0xC0,0xC0,0x00,0x20,0xC0,0xC0,0x00,
+                    0x60,0x00,0xE0,0x80,0x00,0xC0,0x00,0x00,0x60,0x80,0x40,0x80,0x20,0x80,0x20,0x00,
+                    0x80,0x40,0xE0,0x00,0x20,0x00,0x20,0x00,
+            };
+            cfg.key_len = sizeof(isd_mgv_key);
+            memcpy(cfg.key, isd_mgv_key, cfg.key_len);
+            isl_name = "MGV_steam.isl";
+        }
+        else if (read_32bitBE(0x00,streamFile) == 0x0FA74753) { /* Blaster Master Zero (PC) */
+            static const uint8_t isd_bmz_key[120] = {
+                    0x40,0xC0,0x20,0x00,0x40,0xC0,0xC0,0x00,0x00,0x80,0xE0,0x80,0x80,0x40,0x20,0x00,
+                    0x60,0xC0,0xC0,0x00,0xA0,0x80,0x60,0x00,0x40,0x40,0x20,0x00,0x60,0x40,0xC0,0x00,
+                    0x60,0x80,0xC0,0x80,0x40,0xC0,0x00,0x00,0xA0,0xC0,0x80,0x80,0x60,0x80,0xA0,0x00,
+                    0x40,0x80,0x60,0x00,0x20,0x00,0xC0,0x00,0x60,0x00,0xA0,0x80,0x40,0x40,0xA0,0x00,
+                    0x40,0x40,0xC0,0x80,0x00,0x80,0x60,0x00,0x80,0xC0,0xA0,0x00,0xE0,0x40,0xC0,0x00,
+                    0x20,0x80,0xE0,0x00,0x40,0xC0,0xA0,0x00,0xE0,0xC0,0xC0,0x80,0xE0,0x80,0xC0,0x00,
+                    0x40,0x40,0x00,0x00,0x20,0x40,0x80,0x00,0xE0,0x80,0x20,0x80,0x40,0x80,0xE0,0x00,
+                    0xA0,0x00,0xC0,0x80,0xE0,0x00,0x20,0x00
+            };
+            cfg.key_len = sizeof(isd_bmz_key);
+            memcpy(cfg.key, isd_bmz_key, cfg.key_len);
+            isl_name = "output.isl";
+        }
+        else {
+            goto fail;
+        }
+
+        cfg.is_encrypted = 1;
+
+        /* .isd have companion files in the prev folder:
+         * - .ish: constant id/names (not always)
+         * - .isf: format table, ordered like file id/numbers, 0x18 header with:
+         *   0x00(2): ?, 0x02(2): channels, 0x04: sample rate, 0x08: skip samples (in PCM bytes), always 32000
+         *   0x0c(2): PCM block size, 0x0e(2): PCM bps, 0x10: null, 0x18: samples (in PCM bytes)
+         * - .isl: looping table (encrypted like the files) */
+        if (isl_name) {
+            STREAMFILE *islFile = NULL;
+
+            //todo could try in ../(file) first since that's how the .isl is stored
+            islFile = open_streamfile_by_filename(streamFile, isl_name);
+            if (islFile) {
+                STREAMFILE *dec_sf = NULL;
+
+                dec_sf = setup_ogg_vorbis_streamfile(islFile, cfg);
+                if (dec_sf) {
+                    off_t loop_offset;
+                    char basename[PATH_LIMIT];
+
+                    /* has a bunch of tables then a list with file names without extension and loops */
+                    loop_offset = read_32bitLE(0x18, dec_sf);
+                    get_streamfile_basename(streamFile, basename, sizeof(basename));
+
+                    while (loop_offset < get_streamfile_size(dec_sf)) {
+                        char testname[0x20];
+
+                        read_string(testname, sizeof(testname), loop_offset+0x2c, dec_sf);
+                        if (strcmp(basename, testname) == 0) {
+                            ovmi.loop_start = read_32bitLE(loop_offset+0x1c, dec_sf);
+                            ovmi.loop_end   = read_32bitLE(loop_offset+0x20, dec_sf);
+                            ovmi.loop_end_found = 1;
+                            ovmi.loop_flag = (ovmi.loop_end != 0);
+                            break;
+                        }
+
+                        loop_offset += 0x50;
+                    }
+
+                    close_streamfile(dec_sf);
+                }
+
+                close_streamfile(islFile);
+            }
+        }
     }
 
     if (is_rpgmvo) { /* [RPG Maker MV (PC)] */
@@ -411,42 +370,63 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
     }
 
     if (is_eno) { /* [Metronomicon (PC)] */
-        /* first byte probably derives into xor key, but this works too */
-        ovmi.xor_value = read_8bit(0x05,streamFile); /* always zero = easy key */
-        ovmi.decryption_callback = eno_ogg_decryption_callback;
-        ovmi.meta_type = meta_OGG_encrypted;
-
-        start_offset = 0x01;
+        /* first byte probably derives into key, but this works too */
+        cfg.key[0] = (uint8_t)read_8bit(0x05,streamFile); /* regular ogg have a zero at this offset = easy key */;
+        cfg.key_len = 1;
+        cfg.is_encrypted = 1;
+        start_offset = 0x01; /* "OggS" starts after key-thing */
     }
 
     if (is_gwm) { /* [Adagio: Cloudburst (PC)] */
-        ovmi.xor_value = 0x5D;
-        ovmi.decryption_callback = gwm_ogg_decryption_callback;
-        ovmi.meta_type = meta_OGG_encrypted;
+        cfg.key[0] = 0x5D;
+        cfg.key_len = 1;
+        cfg.is_encrypted = 1;
     }
 
     if (is_mus) { /* [Redux - Dark Matters (PC)] */
-        ovmi.decryption_callback = mus_ogg_decryption_callback;
-        ovmi.meta_type = meta_OGG_encrypted;
+        static const uint8_t mus_key[16] = {
+                0x21,0x4D,0x6F,0x01,0x20,0x4C,0x6E,0x02,0x1F,0x4B,0x6D,0x03,0x20,0x4C,0x6E,0x02
+        };
+        cfg.key_len = sizeof(mus_key);
+        memcpy(cfg.key, mus_key, cfg.key_len);
+        cfg.is_header_swap = 1; /* decrypted header gives "Mus " */
+        cfg.is_encrypted = 1;
     }
 
     if (is_lse) { /* [Nippon Ichi PC games] */
         if (read_32bitBE(0x00,streamFile) == 0xFFFFFFFF) { /* [Operation Abyss: New Tokyo Legacy (PC)] */
-            ovmi.decryption_callback = lse_ff_ogg_decryption_callback;
-            ovmi.meta_type = meta_OGG_encrypted;
+            cfg.key[0] = 0xFF;
+            cfg.key_len = 1;
+            cfg.is_header_swap = 1;
+            cfg.is_encrypted = 1;
         }
         else { /* [Operation Babel: New Tokyo Legacy (PC), Labyrinth of Refrain: Coven of Dusk (PC)] */
-            ovmi.decryption_callback = lse_add_ogg_decryption_callback;
-            ovmi.xor_value = (uint8_t)read_8bit(0x04,streamFile) - 0x04;
-            ovmi.meta_type = meta_OGG_encrypted;
-            /* key is found at file_size-1 but this works too (same key for most files but can vary) */
+            int i;
+            /* found at file_size-1 but this works too (same key for most files but can vary) */
+            uint8_t base_key = (uint8_t)read_8bit(0x04,streamFile) - 0x04;
+
+            cfg.key_len = 256;
+            for (i = 0; i < cfg.key_len; i++) {
+                cfg.key[i] = (uint8_t)(base_key + i);
+            }
+            cfg.is_encrypted = 1;
         }
     }
 
+    if (cfg.is_encrypted) {
+        ovmi.meta_type = meta_OGG_encrypted;
 
-    return init_vgmstream_ogg_vorbis_callbacks(streamFile, NULL, start_offset, &ovmi);
+        temp_streamFile = setup_ogg_vorbis_streamfile(streamFile, cfg);
+        if (!temp_streamFile) goto fail;
+    }
+
+    vgmstream = init_vgmstream_ogg_vorbis_callbacks(temp_streamFile != NULL ? temp_streamFile : streamFile, NULL, start_offset, &ovmi);
+
+    close_streamfile(temp_streamFile);
+    return vgmstream;
 
 fail:
+    close_streamfile(temp_streamFile);
     return NULL;
 }
 
@@ -528,6 +508,7 @@ VGMSTREAM * init_vgmstream_ogg_vorbis_callbacks(STREAMFILE *streamFile, ov_callb
         ovf = &data->ogg_vorbis_file;
     }
 
+    //todo could set bitstreams as subsongs?
     /* get info from bitstream 0 */
     data->bitstream = OGG_DEFAULT_BITSTREAM;
     vi = ov_info(ovf,OGG_DEFAULT_BITSTREAM);
@@ -536,7 +517,7 @@ VGMSTREAM * init_vgmstream_ogg_vorbis_callbacks(STREAMFILE *streamFile, ov_callb
     data->disable_reordering = ovmi->disable_reordering;
 
     /* search for loop comments */
-    {
+    {//todo ignore if loop flag already set?
         int i;
         vorbis_comment *comment = ov_comment(ovf,OGG_DEFAULT_BITSTREAM);
 
diff --git a/Frameworks/vgmstream/vgmstream/src/meta/ogg_vorbis_streamfile.h b/Frameworks/vgmstream/vgmstream/src/meta/ogg_vorbis_streamfile.h
new file mode 100644
index 000000000..ca55dcdaa
--- /dev/null
+++ b/Frameworks/vgmstream/vgmstream/src/meta/ogg_vorbis_streamfile.h
@@ -0,0 +1,76 @@
+#ifndef _OGG_VORBIS_STREAMFILE_H_
+#define _OGG_VORBIS_STREAMFILE_H_
+#include "../streamfile.h"
+
+
+typedef struct {
+    int is_encrypted;
+    uint8_t key[0x100];
+    size_t key_len;
+    int is_nibble_swap;
+    int is_header_swap;
+} ogg_vorbis_io_config_data;
+
+typedef struct {
+    /* config */
+    ogg_vorbis_io_config_data cfg;
+} ogg_vorbis_io_data;
+
+
+static size_t ogg_vorbis_io_read(STREAMFILE *streamfile, uint8_t *dest, off_t offset, size_t length, ogg_vorbis_io_data* data) {
+    size_t bytes_read;
+    int i;
+    static const uint8_t header_swap[4] = { 0x4F,0x67,0x67,0x53 }; /* "OggS" */
+    static const size_t header_size = 0x04;
+
+    bytes_read = streamfile->read(streamfile, dest, offset, length);
+
+    if (data->cfg.is_encrypted) {
+        for (i = 0; i < bytes_read; i++) {
+            if (data->cfg.is_header_swap && (offset + i) < header_size) {
+                dest[i] = header_swap[(offset + i) % header_size];
+            }
+            else {
+                if (!data->cfg.key_len && !data->cfg.is_nibble_swap)
+                    break;
+                if (data->cfg.key_len)
+                    dest[i] ^= data->cfg.key[(offset + i) % data->cfg.key_len];
+                if (data->cfg.is_nibble_swap)
+                    dest[i] = ((dest[i] << 4) & 0xf0) | ((dest[i] >> 4) & 0x0f);
+            }
+        }
+    }
+
+    return bytes_read;
+}
+
+//todo maybe use generic decryption streamfile
+static STREAMFILE* setup_ogg_vorbis_streamfile(STREAMFILE *streamFile, ogg_vorbis_io_config_data cfg) {
+    STREAMFILE *temp_streamFile = NULL, *new_streamFile = NULL;
+    ogg_vorbis_io_data io_data = {0};
+    size_t io_data_size = sizeof(ogg_vorbis_io_data);
+
+    /* setup decryption */
+    io_data.cfg = cfg; /* memcpy */
+
+
+    /* setup custom streamfile */
+    new_streamFile = open_wrap_streamfile(streamFile);
+    if (!new_streamFile) goto fail;
+    temp_streamFile = new_streamFile;
+
+    //todo extension .ogg?
+
+    new_streamFile = open_io_streamfile(temp_streamFile, &io_data,io_data_size, ogg_vorbis_io_read,NULL);
+    if (!new_streamFile) goto fail;
+    temp_streamFile = new_streamFile;
+
+    return temp_streamFile;
+
+fail:
+    close_streamfile(temp_streamFile);
+    return NULL;
+}
+
+
+#endif /* _OGG_VORBIS_STREAMFILE_H_ */
diff --git a/Frameworks/vgmstream/vgmstream/src/meta/opus.c b/Frameworks/vgmstream/vgmstream/src/meta/opus.c
index 21186b881..1866532ce 100644
--- a/Frameworks/vgmstream/vgmstream/src/meta/opus.c
+++ b/Frameworks/vgmstream/vgmstream/src/meta/opus.c
@@ -19,7 +19,8 @@ static VGMSTREAM * init_vgmstream_opus(STREAMFILE *streamFile, meta_t meta_type,
     channel_count = read_8bit(offset + 0x09, streamFile);
     /* 0x0a: packet size if CBR, 0 if VBR */
     data_offset = offset + read_32bitLE(offset + 0x10, streamFile);
-    skip = read_32bitLE(offset + 0x1c, streamFile);
+    skip = read_16bitLE(offset + 0x1c, streamFile);
+    /* 0x1e: ? (seen in Lego Movie 2 (Switch)) */
 
     if ((uint32_t)read_32bitLE(data_offset, streamFile) != 0x80000004)
         goto fail;
diff --git a/Frameworks/vgmstream/vgmstream/src/meta/sqex_scd.c b/Frameworks/vgmstream/vgmstream/src/meta/sqex_scd.c
index 3522a3c1f..d2f0d69c8 100644
--- a/Frameworks/vgmstream/vgmstream/src/meta/sqex_scd.c
+++ b/Frameworks/vgmstream/vgmstream/src/meta/sqex_scd.c
@@ -154,6 +154,7 @@ VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
 
         ovmi.meta_type = meta_SQEX_SCD;
         ovmi.total_subsongs = total_subsongs;
+        ovmi.disable_reordering = 1; /* already ordered */
         /* loop values are in bytes, let init_vgmstream_ogg_vorbis find loop comments instead */
 
         ogg_version = read_8bit(extradata_offset + 0x00, streamFile);
diff --git a/Frameworks/vgmstream/vgmstream/src/meta/txth.c b/Frameworks/vgmstream/vgmstream/src/meta/txth.c
index 24bb927b4..8b27fae21 100644
--- a/Frameworks/vgmstream/vgmstream/src/meta/txth.c
+++ b/Frameworks/vgmstream/vgmstream/src/meta/txth.c
@@ -70,6 +70,7 @@ typedef struct {
     uint32_t skip_samples;
 
     uint32_t loop_flag;
+    uint32_t loop_behavior;
     int loop_flag_set;
     int loop_flag_auto;
 
@@ -105,6 +106,11 @@ typedef struct {
     int chunk_size_set;
     int chunk_count_set;
 
+    uint32_t base_offset;
+
+    uint32_t name_values[16];
+    int name_values_count;
+
     /* original STREAMFILE and its type (may be an unsupported "base" file or a .txth) */
     STREAMFILE *streamFile;
     int streamfile_is_txth;
@@ -565,6 +571,19 @@ static VGMSTREAM *init_subfile(txth_header * txth) {
     //todo: other combos with subsongs + subfile?
 
 
+    /* load some fields for possible calcs */
+    if (!txth->channels)
+        txth->channels = vgmstream->channels;
+    if (!txth->sample_rate)
+        txth->sample_rate = vgmstream->sample_rate;
+    if (!txth->interleave)
+        txth->interleave = vgmstream->interleave_block_size;
+    if (!txth->interleave_last)
+        txth->interleave_last = vgmstream->interleave_last_block_size;
+    //if (!txth->loop_flag) //?
+    //    txth->loop_flag = vgmstream->loop_flag;
+
+
     close_streamfile(streamSubfile);
     return vgmstream;
 
@@ -695,8 +714,8 @@ static int parse_keyval(STREAMFILE * streamFile, txth_header * txth, const char
 static int parse_num(STREAMFILE * streamFile, txth_header * txth, const char * val, uint32_t * out_value);
 static int parse_string(STREAMFILE * streamFile, txth_header * txth, const char * val, char * str);
 static int parse_coef_table(STREAMFILE * streamFile, txth_header * txth, const char * val, uint8_t * out_value, size_t out_size);
+static int parse_name_table(txth_header * txth, char * val);
 static int is_string(const char * val, const char * cmp);
-static int is_substring(const char * val, const char * cmp);
 static int get_bytes_to_samples(txth_header * txth, uint32_t bytes);
 static int get_padding_size(txth_header * txth, int discard_empty);
 
@@ -979,11 +998,32 @@ static int parse_keyval(STREAMFILE * streamFile_, txth_header * txth, const char
         else {
             if (!parse_num(txth->streamHead,txth,val, &txth->loop_flag)) goto fail;
             txth->loop_flag_set = 1;
-            if (txth->loop_flag == 0xFFFF || txth->loop_flag == 0xFFFFFFFF) { /* normally -1 = no loop */
-                txth->loop_flag = 0;
+
+            if (txth->loop_behavior == 0) {
+                if ((txth->loop_flag == 0xFFFF || txth->loop_flag == 0xFFFFFFFF) )
+                    txth->loop_flag = 0;
+
+            }
+            else if (txth->loop_behavior == 1) {
+                if (txth->loop_flag == 0xFF || txth->loop_flag == 0xFFFF || txth->loop_flag == 0xFFFFFFFF)
+                    txth->loop_flag = 1;
+            }
+            else if (txth->loop_behavior == 2) {
+                if (txth->loop_flag == 0xFF || txth->loop_flag == 0xFFFF || txth->loop_flag == 0xFFFFFFFF)
+                    txth->loop_flag = 0;
             }
         }
     }
+    else if (is_string(key,"loop_behavior")) {
+        if (is_string(val, "default"))
+            txth->loop_behavior = 0;
+        else if (is_string(val, "negative"))
+            txth->loop_behavior = 1;
+        else if (is_string(val, "positive"))
+            txth->loop_behavior = 2;
+        else
+            goto fail;
+    }
 
     /* COEFS */
     else if (is_string(key,"coef_offset")) {
@@ -1139,6 +1179,17 @@ static int parse_keyval(STREAMFILE * streamFile_, txth_header * txth, const char
         set_body_chunk(txth);
     }
 
+    /* BASE OFFSET */
+    else if (is_string(key,"base_offset")) {
+        if (!parse_num(txth->streamHead,txth,val, &txth->base_offset)) goto fail;
+    }
+
+    /* NAME TABLE */
+    else if (is_string(key,"name_table")) {
+        if (!parse_name_table(txth,val)) goto fail;
+    }
+
+
     /* DEFAULT */
     else {
         VGM_LOG("TXTH: unknown key=%s, val=%s\n", key,val);
@@ -1152,8 +1203,28 @@ fail:
     return 0;
 }
 
+static int is_substring(const char * val, const char * cmp, int inline_field) {
+    char chr;
+    int len = strlen(cmp);
+    /* "val" must contain "cmp" entirely */
+    if (strncmp(val, cmp, len) != 0)
+        return 0;
+
+    chr = val[len];
+
+    /* "val" can end with math for inline fields (like interleave*0x10) */
+    if (inline_field && (chr == '+' || chr == '-' || chr == '*' || chr == '/'))
+        return len;
+
+    /* otherwise "val" ends in space or eof (to tell "interleave" and "interleave_last" apart) */
+    if (chr != '\0' && chr != ' ')
+        return 0;
+
+    return len;
+}
+
 static int is_string(const char * val, const char * cmp) {
-    int len = is_substring(val, cmp);
+    int len = is_substring(val, cmp, 0);
     if (!len) return 0;
 
     /* also test that after string there aren't other values
@@ -1166,19 +1237,8 @@ static int is_string(const char * val, const char * cmp) {
 
     return len;
 }
-
-static int is_substring(const char * val, const char * cmp) {
-    int len = strlen(cmp);
-    if (strncmp(val, cmp, len) != 0)
-        return 0;
-
-    /* string in val must be a full word (end with null or space) to
-     * avoid mistaking stuff like "interleave" with "interleave_last"
-     * (could also check , except when used for math */
-    if (val[len] != '\0' && val[len] != ' ')
-        return 0;
-
-    return len;
+static int is_string_field(const char * val, const char * cmp) {
+    return is_substring(val, cmp, 1);
 }
 
 static int parse_string(STREAMFILE * streamFile, txth_header * txth, const char * val, char * str) {
@@ -1218,6 +1278,113 @@ fail:
     return 0;
 }
 
+static int parse_name_table(txth_header * txth, char * name_list) {
+    STREAMFILE *nameFile = NULL;
+    off_t txt_offset, file_size;
+    char filename[PATH_LIMIT];
+    char basename[PATH_LIMIT];
+
+    /* just in case */
+    if (txth->streamfile_is_txth || !txth->streamText || !txth->streamFile)
+        goto fail;
+
+    /* trim name_list just in case */
+    {
+        int name_list_len = strlen(name_list);
+        int i;
+        for (i = name_list_len - 1; i >= 0; i--) {
+            if (name_list[i] != ' ')
+                break;
+            name_list[i] = '\0';
+        }
+    }
+
+    //;VGM_LOG("TXTH: name_list2='%s'\n", name_list);
+
+    /* open companion file near .txth */
+    nameFile = open_streamfile_by_filename(txth->streamText, name_list);
+    if (!nameFile) goto fail;
+
+    get_streamfile_filename(txth->streamFile, filename, sizeof(filename));
+    get_streamfile_basename(txth->streamFile, basename, sizeof(basename));
+    //;VGM_LOG("TXTH: filename=%s, basename=%s\n", filename, basename);
+
+    txt_offset = 0x00;
+    file_size = get_streamfile_size(nameFile);
+
+    /* skip BOM if needed */
+    if ((uint16_t)read_16bitLE(0x00, nameFile) == 0xFFFE ||
+        (uint16_t)read_16bitLE(0x00, nameFile) == 0xFEFF) {
+        txt_offset = 0x02;
+    }
+    else if (((uint32_t)read_32bitBE(0x00, nameFile) & 0xFFFFFF00) == 0xEFBBBF00) {
+        txt_offset = 0x03;
+    }
+
+    /* in case of repeated name_lists */
+    memset(txth->name_values, 0, sizeof(txth->name_values));
+    txth->name_values_count = 0;
+
+    /* read lines and find target filename, format is (filename): value1, ... valueN */
+    while (txt_offset < file_size) {
+        char line[TXT_LINE_MAX] = {0};
+        char key[TXT_LINE_MAX] = {0}, val[TXT_LINE_MAX] = {0};
+        int ok, bytes_read, line_done;
+
+        bytes_read = get_streamfile_text_line(TXT_LINE_MAX,line, txt_offset,nameFile, &line_done);
+        if (!line_done) goto fail;
+        //;VGM_LOG("TXTH: line=%s\n",line);
+
+        txt_offset += bytes_read;
+
+        /* get key/val (ignores lead spaces, stops at space/comment/separator) */
+        ok = sscanf(line, " %[^ \t#:] : %[^\t#\r\n] ", key,val);
+        if (ok != 2) { /* ignore line if no key=val (comment or garbage) */
+            /* try again with " (empty): (val)) */
+            key[0] = '\0';
+            ok = sscanf(line, " : %[^\t#\r\n] ", val);
+            if (ok != 1)
+                continue;
+        }
+
+
+        //;VGM_LOG("TXTH: compare name '%s'\n", key);
+        /* parse values if key (name) matches default ("") or filename with/without extension */
+        if (key[0]=='\0' || strcmpi(key, filename)==0 || strcmpi(key, basename)==0) {
+            int n;
+            char subval[TXT_LINE_MAX];
+            const char *current = val;
+
+            while (current[0] != '\0') {
+                ok = sscanf(current, " %[^\t#\r\n,]%n ", subval, &n);
+                if (ok != 1)
+                    goto fail;
+
+                current += n;
+                if (current[0] == ',')
+                    current++;
+
+                if (!parse_num(txth->streamHead,txth,subval, &txth->name_values[txth->name_values_count])) goto fail;
+                txth->name_values_count++;
+                if (txth->name_values_count >= 16) /* surely nobody needs that many */
+                    goto fail;
+            }
+
+            //;VGM_LOG("TXTH: found name '%s'\n", key);
+            break; /* target found */
+        }
+    }
+
+    /* ignore if name is not actually found (values will return 0) */
+
+    close_streamfile(nameFile);
+    return 1;
+fail:
+    close_streamfile(nameFile);
+    return 0;
+}
+
+
 static int parse_num(STREAMFILE * streamFile, txth_header * txth, const char * val, uint32_t * out_value) {
     /* out_value can be these, save before modifying */
     uint32_t value_mul = txth->value_mul;
@@ -1278,6 +1445,9 @@ static int parse_num(STREAMFILE * streamFile, txth_header * txth, const char * v
                 if (sscanf(val, hex ? "@%x%n" : "@%u%n", &offset, &n) != 1) goto fail;
             }
 
+            /* adjust offset */
+            offset += txth->base_offset;
+
             if (/*offset < 0 ||*/ offset > get_streamfile_size(streamFile))
                 goto fail;
 
@@ -1290,7 +1460,7 @@ static int parse_num(STREAMFILE * streamFile, txth_header * txth, const char * v
                 offset = offset + subsong_offset * (txth->target_subsong - 1);
 
             switch(size) {
-                case 1: value = read_8bit(offset,streamFile); break;
+                case 1: value = (uint8_t)read_8bit(offset,streamFile); break;
                 case 2: value = big_endian ? (uint16_t)read_16bitBE(offset,streamFile) : (uint16_t)read_16bitLE(offset,streamFile); break;
                 case 3: value = (big_endian ? (uint32_t)read_32bitBE(offset,streamFile) : (uint32_t)read_32bitLE(offset,streamFile)) & 0x00FFFFFF; break;
                 case 4: value = big_endian ? (uint32_t)read_32bitBE(offset,streamFile) : (uint32_t)read_32bitLE(offset,streamFile); break;
@@ -1306,17 +1476,35 @@ static int parse_num(STREAMFILE * streamFile, txth_header * txth, const char * v
             value_read = 1;
         }
         else { /* known field */
-            if      ((n = is_substring(val,"interleave")))          value = txth->interleave;
-            else if ((n = is_substring(val,"interleave_last")))     value = txth->interleave_last;
-            else if ((n = is_substring(val,"channels")))            value = txth->channels;
-            else if ((n = is_substring(val,"sample_rate")))         value = txth->sample_rate;
-            else if ((n = is_substring(val,"start_offset")))        value = txth->start_offset;
-            else if ((n = is_substring(val,"data_size")))           value = txth->data_size;
-            else if ((n = is_substring(val,"num_samples")))         value = txth->num_samples;
-            else if ((n = is_substring(val,"loop_start_sample")))   value = txth->loop_start_sample;
-            else if ((n = is_substring(val,"loop_end_sample")))     value = txth->loop_end_sample;
-            else if ((n = is_substring(val,"subsong_count")))       value = txth->subsong_count;
-            else if ((n = is_substring(val,"subsong_offset")))      value = txth->subsong_offset;
+            if      ((n = is_string_field(val,"interleave")))           value = txth->interleave;
+            else if ((n = is_string_field(val,"interleave_last")))      value = txth->interleave_last;
+            else if ((n = is_string_field(val,"channels")))             value = txth->channels;
+            else if ((n = is_string_field(val,"sample_rate")))          value = txth->sample_rate;
+            else if ((n = is_string_field(val,"start_offset")))         value = txth->start_offset;
+            else if ((n = is_string_field(val,"data_size")))            value = txth->data_size;
+            else if ((n = is_string_field(val,"num_samples")))          value = txth->num_samples;
+            else if ((n = is_string_field(val,"loop_start_sample")))    value = txth->loop_start_sample;
+            else if ((n = is_string_field(val,"loop_end_sample")))      value = txth->loop_end_sample;
+            else if ((n = is_string_field(val,"subsong_count")))        value = txth->subsong_count;
+            else if ((n = is_string_field(val,"subsong_offset")))       value = txth->subsong_offset;
+            //todo whatever, improve
+            else if ((n = is_string_field(val,"name_value")))           value = txth->name_values[0];
+            else if ((n = is_string_field(val,"name_value1")))          value = txth->name_values[0];
+            else if ((n = is_string_field(val,"name_value2")))          value = txth->name_values[1];
+            else if ((n = is_string_field(val,"name_value3")))          value = txth->name_values[2];
+            else if ((n = is_string_field(val,"name_value4")))          value = txth->name_values[3];
+            else if ((n = is_string_field(val,"name_value5")))          value = txth->name_values[4];
+            else if ((n = is_string_field(val,"name_value6")))          value = txth->name_values[5];
+            else if ((n = is_string_field(val,"name_value7")))          value = txth->name_values[6];
+            else if ((n = is_string_field(val,"name_value8")))          value = txth->name_values[7];
+            else if ((n = is_string_field(val,"name_value9")))          value = txth->name_values[8];
+            else if ((n = is_string_field(val,"name_value10")))         value = txth->name_values[9];
+            else if ((n = is_string_field(val,"name_value11")))         value = txth->name_values[10];
+            else if ((n = is_string_field(val,"name_value12")))         value = txth->name_values[11];
+            else if ((n = is_string_field(val,"name_value13")))         value = txth->name_values[12];
+            else if ((n = is_string_field(val,"name_value14")))         value = txth->name_values[13];
+            else if ((n = is_string_field(val,"name_value15")))         value = txth->name_values[14];
+            else if ((n = is_string_field(val,"name_value16")))         value = txth->name_values[15];
             else goto fail;
             value_read = 1;
         }
diff --git a/Frameworks/vgmstream/vgmstream/src/meta/xvag.c b/Frameworks/vgmstream/vgmstream/src/meta/xvag.c
index 1992619e5..1fd658502 100644
--- a/Frameworks/vgmstream/vgmstream/src/meta/xvag.c
+++ b/Frameworks/vgmstream/vgmstream/src/meta/xvag.c
@@ -160,11 +160,28 @@ VGMSTREAM * init_vgmstream_xvag(STREAMFILE *streamFile) {
             if (xvag.layers > 1 && !(xvag.layers*1 == vgmstream->channels || xvag.layers*2 == vgmstream->channels)) goto fail;
 
             /* "mpin": mpeg info */
-            /*  0x00/04: mpeg version/layer?  other: unknown or repeats of "fmat" */
             if (!find_chunk(streamFile, 0x6D70696E,first_offset,0, &chunk_offset,NULL, xvag.big_endian, 1)) /*"mpin"*/
                 goto fail;
 
-            cfg.chunk_size = read_32bit(chunk_offset+0x1c,streamFile); /* fixed frame size */
+            /* all layers/subsongs share the same config; not very useful but for posterity:
+             * - 0x00: mpeg version
+             * - 0x04: mpeg layer
+             * - 0x08: bit rate
+             * - 0x0c: sample rate
+             * - 0x10: some version? (0x01-0x03)?
+             * - 0x14: channels per stream?
+             * - 0x18: channels per stream or total channels?
+             * - 0x1c: fixed frame size (always CBR)
+             * - 0x20: encoder delay (usually but not always 1201)
+             * - 0x24: number of samples
+             * - 0x28: some size?
+             * - 0x2c: ? (0x02)
+             * - 0x30: ? (0x00, 0x80)
+             * - 0x34: data size
+             * (rest is padding)
+             * */
+            cfg.chunk_size = read_32bit(chunk_offset+0x1c,streamFile);
+            cfg.skip_samples = read_32bit(chunk_offset+0x20,streamFile);
             cfg.interleave = cfg.chunk_size * xvag.factor;
 
             vgmstream->codec_data = init_mpeg_custom(streamFile, start_offset, &vgmstream->coding_type, vgmstream->channels, MPEG_XVAG, &cfg);
diff --git a/Frameworks/vgmstream/vgmstream/src/meta/xwb.c b/Frameworks/vgmstream/vgmstream/src/meta/xwb.c
index 744917a9d..84a26ce87 100644
--- a/Frameworks/vgmstream/vgmstream/src/meta/xwb.c
+++ b/Frameworks/vgmstream/vgmstream/src/meta/xwb.c
@@ -345,8 +345,10 @@ VGMSTREAM * init_vgmstream_xwb(STREAMFILE *streamFile) {
     /* Oddworld OGG the data_size value is size of uncompressed bytes instead;  DSP uses some id/config as value */
     if (xwb.codec != OGG && xwb.codec != DSP && xwb.codec != ATRAC9_RIFF) {
         /* some low-q rips don't remove padding, relax validation a bit */
-        if (xwb.data_offset + xwb.data_size > get_streamfile_size(streamFile))
+        if (xwb.data_offset + xwb.stream_size > get_streamfile_size(streamFile))
             goto fail;
+        //if (xwb.data_offset + xwb.data_size > get_streamfile_size(streamFile)) /* badly split */
+        //    goto fail;
     }
 
 
diff --git a/Frameworks/vgmstream/vgmstream/src/vgmstream.c b/Frameworks/vgmstream/vgmstream/src/vgmstream.c
index 1cd0be539..c39385ef3 100644
--- a/Frameworks/vgmstream/vgmstream/src/vgmstream.c
+++ b/Frameworks/vgmstream/vgmstream/src/vgmstream.c
@@ -480,6 +480,7 @@ VGMSTREAM * (*init_vgmstream_functions[])(STREAMFILE *streamFile) = {
     init_vgmstream_xwma_konami,
     init_vgmstream_9tav,
     init_vgmstream_fsb5_fev_bank,
+    init_vgmstream_bwav,
 
     /* lowest priority metas (should go after all metas, and TXTH should go before raw formats) */
     init_vgmstream_txth,            /* proper parsers should supersede TXTH, once added */
diff --git a/Frameworks/vgmstream/vgmstream/src/vgmstream.h b/Frameworks/vgmstream/vgmstream/src/vgmstream.h
index f07c4415a..5d5dde7cc 100644
--- a/Frameworks/vgmstream/vgmstream/src/vgmstream.h
+++ b/Frameworks/vgmstream/vgmstream/src/vgmstream.h
@@ -742,6 +742,7 @@ typedef enum {
     meta_MSF_KONAMI,
     meta_XWMA_KONAMI,
     meta_9TAV,
+    meta_BWAV,
 
 } meta_t;
 
@@ -1042,6 +1043,7 @@ typedef struct {
     int interleave; /* size of stream interleave */
     int encryption; /* encryption mode */
     int big_endian;
+    int skip_samples;
     /* for AHX */
     int cri_type;
     uint16_t cri_key1;