From 3ad17813a48638d1eb87bcdf438add88228a09ae Mon Sep 17 00:00:00 2001
From: bnnm <bananaman255@gmail.com>
Date: Sun, 23 Jul 2023 15:09:33 +0200
Subject: [PATCH] doc

---
 doc/FORMATS.md  | 21 ++++++++++++---------
 src/meta/sdrh.c |  1 +
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/doc/FORMATS.md b/doc/FORMATS.md
index ed321080..516c5648 100644
--- a/doc/FORMATS.md
+++ b/doc/FORMATS.md
@@ -662,10 +662,6 @@ different internally (encrypted, different versions, etc) and not always can be
 - **redspark.c**
   - RedSpark Header [*REDSPARK*]
   - Codecs: NGC_DSP
-- **ivaud.c**
-  - Rockstar .ivaud header [*IVAUD*]
-  - *ivaud*: `.ivaud .(extensionless)`
-  - Codecs: PCM16LE XMA1 MPEG IMA_int
 - **ps2_sps.c**
   - Ape Escape 2 SPS Header [*PS2_SPS*]
   - *ps2_sps*: `.sps`
@@ -862,7 +858,7 @@ different internally (encrypted, different versions, etc) and not always can be
   - Codecs: PCM16LE
 - **sgxd.c**
   - Sony SGXD header [*SGXD*]
-  - *sgxd*: `.sgb .sgx .sgd + .sgh .sgb`
+  - *sgxd*: `.sgb .sgd + .sgh .sgb`
   - Codecs: PCM16BE OGG_VORBIS PSX ATRAC3 PSX_cfg FFmpeg(various)
 - **wii_ras.c**
   - RAS header [*WII_RAS*]
@@ -1040,9 +1036,9 @@ different internally (encrypted, different versions, etc) and not always can be
   - Microsoft XMA RIFF header [*XMA_RIFF*]
   - *xma*: `.xma .xma2 .wav .lwav .nps .str .kmx`
   - Codecs: XMA
-- **sxd.c**
-  - Sony SXD header [*SXD*]
-  - *sxd*: `.sxd .sxd2 .sxd3 + .sxd1`
+- **sndx.c**
+  - Sony SNDX header [*SNDX*]
+  - *sndx*: `.sxd .sxd2 .sxd3 + .sxd1`
   - Codecs: PSX HEVAG ATRAC9
 - **ogl.c**
   - Shin'en OGL header [*OGL*]
@@ -1793,7 +1789,10 @@ different internally (encrypted, different versions, etc) and not always can be
   - Torus SqueakStream header [*SQUEAKSTREAM*]
   - Torus SqueakSample header [*SQUEAKSAMPLE*]
   - *squeaksample*: `(base) + .asset .(external) .raw`
-  - Codecs: NGC_DSP PCM16LE PCM16BE PSX PCM8 MS_IMA IMA
+  - Codecs: NGC_DSP PCM16LE PCM16BE PSX PCM8 MS_IMA IMA XMA2 OGG_VORBIS SPEEX
+- **snds.c**
+  - Sony SNDS header [*SNDS*]
+  - Codecs: ATRAC9
 - **scd_pcm.c**
   - Lunar: Eternal Blue .PCM header [*SCD_PCM*]
   - *scd_pcm*: `.pcm`
@@ -1826,6 +1825,10 @@ different internally (encrypted, different versions, etc) and not always can be
   - Tiger Game.com .4 header [*TGC*]
   - *tgc*: `.4`
   - Codecs: TGC
+- **ivaud.c**
+  - Rockstar .ivaud header [*IVAUD*]
+  - *ivaud*: `.ivaud .(extensionless)`
+  - Codecs: PCM16LE XMA1 MPEG IMA_int
 - **pos.c**
   - RIFF WAVE header (.pos looping) [*RIFF_WAVE_POS*]
   - *pos*: `.pos + .wav`
diff --git a/src/meta/sdrh.c b/src/meta/sdrh.c
index 88d43035..72b04a6a 100644
--- a/src/meta/sdrh.c
+++ b/src/meta/sdrh.c
@@ -216,6 +216,7 @@ VGMSTREAM* init_vgmstream_sdrh_old(STREAMFILE* sf) {
      * 0x30: file name in a custom 40-char (RADIX style) encoding
      * others: ? (change in old/new)
     */
+   /* there is also an older version in Shadow Hearts 2, more basic (no section table) and may contain sequences */
 
     /* parse section */
     {