Jakub Vaněk <linuxtar...@gmail.com> writes: > Hi all, > > I've created a patch for supporting for the NXT RSO / EV3 RSF (Robot > Sound File) format. It is a format used on the stock firmware of the > LEGO NXT and EV3 programmable bricks. I thought that it would be nice > to have native support in SoX. > > The format is capable of holding U8 PCM or ADPCM samples. Currently > decoding of both formats is implemented. However for encoding I have > disabled the ADPCM support, because the created files sound very wrong > on the real brick. U8 PCM mode on the other hand works well. > > RSO support is implemented also in FFmpeg, just the RSF alias isn't. > > I am posting the exported commit below. However, it is also available > from GitHub: > https://github.com/JakubVanek/sox-rsf/commit/f906852451a2efc5b1129c7b34bfc378d3f4da62.patch
Is there a specification, preferably official, for this format available somewhere? Could you provide a few samples? > diff --git a/src/rso.c b/src/rso.c > new file mode 100644 > index > 0000000000000000000000000000000000000000..92256d130c63f79d1a8eb6ddf5db4197796b5f6b > --- /dev/null > +++ b/src/rso.c > @@ -0,0 +1,233 @@ > +/* (c) 2019 SoX contributors Please use your actual name in copyright tags. If non-trivial portions of the code were written by someone else, they should also be mentioned, along with some kind of assurance that they approve of the distribution under the specified licence terms (LGPL). I will not touch patches lacking clear provenance. -- Måns Rullgård _______________________________________________ SoX-devel mailing list SoX-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/sox-devel
