cleanup: debug stuff

doc/USAGE.md

@@ -286,19 +286,20 @@ like foobar or Winamp don't react well to that, they may be renamed to these
 - `.stm` to `.lstm` (Rockstar STM)
 - `.wav` to `.lwav` (standard WAV, various formats)
 - `.wma` to `.lwma` (standard WMA)
-- `.(any)` to `.vgmstream` (FFmpeg formats or TXTH)
+- `.(unknown)` to `.vgmstream` (TXTH formats / extracted bigfiles without extension)
 
 Command line tools don't have this restriction and will accept the original
-filename.
+filename. Note that vgmstream also accepts certain extension-less files as-is too.
 
-The main advantage of renaming here is that vgmstream may use the file's internal
-loop info, or apply subtle fixes, but is also limited in some ways (like ignoring
-standard tags). `.vgmstream` is a catch-all extension that may work as a last resort
-to make a file playable.
+The main reason of renaming is forcing the player to use vgmstream instead of its
+internal decoder. vgmstream then may use the file's loop info, or apply small
+fixes, but is also limited in some ways such as regular tagged files (like `.ogg`)
+won't show tags when played through vgmstream (since video game `.ogg` rarely
+have anything worth showing).
 
 Some plugins have options that allow "*common extensions*" to be played, making any
 renaming unnecessary. You may need to adjust plugin priority in player's options
-first. Note that vgmstream also accepts certain extension-less files as-is too.
+first, but the same issues apply (will lose tags).
 
 Similarly, vgmstream has a curated list of known extensions, that plugins may take
 into account and ignore unknowns. Through *TXTH* you can make unknown files playable,

src/meta/psb.c

@@ -811,7 +811,9 @@ static bool parse_psb(STREAMFILE* sf, psb_header_t* psb) {
 
     ctx = psb_init(sf);
     if (!ctx) goto fail;
-    psb_print(ctx);
+#ifdef VGM_DEBUG_OUTPUT
+    //psb_print(ctx);
+#endif
 
     /* main process */
     psb_get_root(ctx, &nroot);

src/util/m2_psb.c

@@ -784,6 +784,8 @@ int psb_node_exists(const psb_node_t* node, const char* key) {
 /******************************************************************************/
 /* ETC */
 
+#ifdef VGM_DEBUG_OUTPUT
+
 #define PSB_DEPTH_STEP 2
 
 static void print_internal(psb_node_t* curr, int depth) {
@@ -862,3 +864,4 @@ void psb_print(psb_context_t* ctx) {
     psb_get_root(ctx, &node);
     print_internal(&node, 0);
 }
+#endif