Convert .aif files to .wav (#711)

* Migrate .aif files to .wav * cleanup
2025-12-01 09:01:35 -06:00
parent 7299efd381
commit 14b76daff8
971 changed files with 1123 additions and 1158 deletions
@@ -0,0 +1,29 @@
+# wav2agb
+"wav2agb" is a tool to convert standard .wav files to GBA compatible .s or .bin files.  Intended to convert .wav files for the use with the mp2k/m4a sound driver.
+
+This copy has been slightly modified from [ipatix's original implementation](https://github.com/ipatix/wav2agb) in the following ways:
+1. Support outputting `.bin` files with a command line option `-b, --binary`. (The original only supports outputting `.s` assembly files.)
+2. Support reading an override "pitch" value from a custom `agbp` RIFF chunk.
+   - This is needed to properly match some samples, due to float-point rounding errors when attempting to infer the pitch/sample rate from the .wav file's sample rate.
+   - If the custom `agbp` chunk isn't present, it will simply use the .wav's sample rate to calculate this "pitch" value.
+3. Optionally omits trailing padding from compressed output.
+
+Usage: 
+```
+Usage: wav2agb [options] <input.wav> [<output>]
+
+Options:
+-s, --symbol <sym>       | symbol name for wave header (default: file name)
+-l, --lookahead <amount> | DPCM compression lookahead 1..8 (default: 3)
+-c, --compress           | compress output with DPCM
+-f, --fast-compress      | compress output with DPCM fast
+--no-pad                 | omit trailing padding in compressed output
+-b, --binary             | output raw binary instead of assembly
+--loop-start <pos>       | override loop start (integer)
+--loop-end <pos>         | override loop end (integer)
+--tune <cents>           | override tuning (float)
+--key <key>              | override midi key (int)
+--rate <rate>            | override base samplerate (int)
+```
+
+Flag -c enables compression (only supported by Pokemon Games)