.,
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a common lisp implementation of the Open Sound Control protocol aka OSC
License: GNU General Public License v3.0
would be useful to include some more structured testing and look more closely at protocol coverage (or deviation)
Building with SBCL 2.2.7.28-02bc916fd / ASDF 3.3.5 for quicklisp dist creation.
Trying to build commit id e46e9b1
osc fails to build with the following error:
Unhandled PACKAGE-DOES-NOT-EXIST in thread #<SB-THREAD:THREAD "main thread" RUNNING {10016C8003}>: The name "SB-BSD-SOCKETS" does not designate any package.
There are some obvious (and some not so obvious) improvements that could be gleaned from fosc version by @8c6794b6. Quite a few implementation specific optimisations, which could be benchmarked against ieee-floats
library (in particular tools/benchmarks.lisp)
Hi,
Since commit 829bf7c on the 24th of august, the library does load anymore in ECL using quicklisp
It seems to be connected to SB libraries
quicklisp/local-projects/osc/devices/socket-functions.lisp" 0x55b0e2262aa0>, position 1958:
;;; Cannot find the external symbol NOT-CONNECTED-ERROR in #<"SB-BSD-SOCKETS" package>
OR
;;; Internal error:
;;; ** There is no package with the name SB-EXT.
coming back to 652a10d fixes the issue
Since there have been a few issues (e.g. #14 and #15) and various complications with the inclusion of the devices interface, I think it could make sense to refactor into "core" and "extras" libraries.
The original intent was to keep the OSC protocol encoding/decoding relatively simple and contained to a single file if possible. The networking layer could be independent. I still think can work, so I've reverted and/or refactored with this in mind.
The core library will remain here and the other-than-core can be found at or near https://github.com/zzkt/osc-devices
core features
non-core features
There are a few changes from @byulparan as part of cl-collider to improve supercollider interop
fix and/or reassemble the CI as seen near https://github.com/zzkt/osc/blob/endless/.github/workflows/ci.yaml (and probably some decent tests)
as of JAN 2024
e.g. encoding a :symbol
which is unbound, or has no symbol-value will cause an error
;; osc-examples.lisp
(osc-examples::osc-send-test #(127 0 0 1) 6668)
The function OSC:ENCODE-MESSAGE is undefined.
[Condition of type UNDEFINED-FUNCTION]
;; osc-device-examples.lisp
(defparameter *osc-server* (make-osc-server :protocol :udp
:debug-mode t))
(boot *osc-server* 57127)
There is no class named OSC::INET-SOCKET.
[Condition of type SB-PCL:CLASS-NOT-FOUND-ERROR]
I tested on macOS(12.6.1) / SBCL(2.2.10.32-eefe83e36) / OSC(osc-20221106-git from quicklisp).
Thanks for works!
Based on the discussion and analysis on cliki about the LLGPL (in particular Eli Greenbaum's detailed examination of the LLGPL) I think it makes sense to change the licence to GPLv3 (or later).
If there is anyone who has contributed to the library that objects to this please let me know.
encode-data
checks for float
(using typecase
), and encodes it using encode-float32
. However, if a double float is passed to encode-data
, it will also match the float
clause and will be encoded as a single-float
.
Depending on the implementation, this may give the correct result, throw an error, or silently fail with the wrong result. (That's what happened to me)
A simple fix would be to change the typecond
clause in encode-data
(and encode-typetags
) from float
to single-float
. This could later be complemented by a check for double-float
, calling encode-float64
.
Another possible simple fix would be to coerce the value to a single-float before passing it to encode-float32
.
Seems like ~20 years should be long enough for version 0.x (fist commit was circa 2004) so perhaps time for a slightly significant increment...
Looks like the commit history went a bit wonky during 67118a4 when merging changes from @jamieforth (maybe rebase and/or fix it 'some day')
I met this error
(ql:quickload :osc)
(osc::decode-float32 #(127 255 255 255))
get error below
The value
-2147483649
is not of type
(SIGNED-BYTE 32)
[Condition of type TYPE-ERROR]
It seems wrong covert on osc::decode-int32
.
(osc::decode-int32 (osc::encode-int32 2147483647)) ;; result is -2147483649
I think correct value of (osc::decode-int32 #(127 255 255 255))
is 2147483647
I test it other language and I got 2147483647
.
;;; guile
(bytevector->sint-list
(uint-list->bytevector '(127 255 255 255) (endianness big) 1)
(endianness big) 4)
#include <stdio.h>
#include <string.h>
int main(int argc, char** argv) {
char bv[4] = {127, 255, 255, 255};
int result;
memcpy(&result, bv, sizeof(result));
printf("decode value: %d\n", htonl(result));
return 0;
}
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