diff options
Diffstat (limited to 'gnu/packages/machine-learning.scm')
| -rw-r--r-- | gnu/packages/machine-learning.scm | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/gnu/packages/machine-learning.scm b/gnu/packages/machine-learning.scm index f07a905097..281a95c0ab 100644 --- a/gnu/packages/machine-learning.scm +++ b/gnu/packages/machine-learning.scm @@ -61,6 +61,7 @@ #:use-module (gnu packages perl) #:use-module (gnu packages pkg-config) #:use-module (gnu packages python) + #:use-module (gnu packages python-web) #:use-module (gnu packages python-xyz) #:use-module (gnu packages statistics) #:use-module (gnu packages swig) @@ -1114,3 +1115,96 @@ Kaldi's @code{SingleUtteranceNnet2Decoder}. It requires iVector-adapted DNN acoustic models. The iVectors are adapted to the current audio stream automatically.") (license license:asl2.0)))) + +(define-public kaldi-gstreamer-server + (let ((commit "1735ba49c5dc0ebfc184e45105fc600cd9f1f508") + (revision "1")) + (package + (name "kaldi-gstreamer-server") + (version (git-version "0" revision commit)) + (source (origin + (method git-fetch) + (uri (git-reference + (url "https://github.com/alumae/kaldi-gstreamer-server.git") + (commit commit))) + (file-name (git-file-name name version)) + (sha256 + (base32 + "0j701m7lbwmzqxsfanj882v7881hrbmpqybbczbxqpcbg8q34w0k")))) + (build-system gnu-build-system) + (arguments + `(#:tests? #f ; there are no tests that can be run automatically + #:modules ((guix build utils) + (guix build gnu-build-system) + (srfi srfi-26)) + #:phases + (modify-phases %standard-phases + (delete 'configure) + (replace 'build + (lambda* (#:key outputs #:allow-other-keys) + ;; Disable hash randomization to ensure the generated .pycs + ;; are reproducible. + (setenv "PYTHONHASHSEED" "0") + (with-directory-excursion "kaldigstserver" + (for-each (lambda (file) + (apply invoke + `("python" + "-m" "compileall" + "-f" ; force rebuild + ,file))) + (find-files "." "\\.py$"))) + #t)) + (replace 'install + (lambda* (#:key inputs outputs #:allow-other-keys) + (let* ((out (assoc-ref outputs "out")) + (bin (string-append out "/bin")) + (share (string-append out "/share/kaldi-gstreamer-server/"))) + ;; Install Python files + (with-directory-excursion "kaldigstserver" + (for-each (cut install-file <> share) + (find-files "." ".*"))) + + ;; Install sample configuration files + (for-each (cut install-file <> share) + (find-files "." "\\.yaml")) + + ;; Install executables + (mkdir-p bin) + (let* ((server (string-append bin "/kaldi-gst-server")) + (client (string-append bin "/kaldi-gst-client")) + (worker (string-append bin "/kaldi-gst-worker")) + (PYTHONPATH (getenv "PYTHONPATH")) + (GST_PLUGIN_PATH (string-append + (assoc-ref inputs "gst-kaldi-nnet2-online") + "/lib/gstreamer-1.0:${GST_PLUGIN_PATH}")) + (wrap (lambda (wrapper what) + (with-output-to-file wrapper + (lambda _ + (format #t + "#!~a +export PYTHONPATH=~a +export GST_PLUGIN_PATH=~a +exec ~a ~a/~a \"$@\"~%" + (which "bash") PYTHONPATH GST_PLUGIN_PATH + (which "python") share what))) + (chmod wrapper #o555)))) + (for-each wrap + (list server client worker) + (list "master_server.py" + "client.py" + "worker.py"))) + #t)))))) + (inputs + `(("gst-kaldi-nnet2-online" ,gst-kaldi-nnet2-online) + ("python2" ,python-2) + ("python2-futures" ,python2-futures) + ("python2-pygobject" ,python2-pygobject) + ("python2-pyyaml" ,python2-pyyaml) + ("python2-tornado" ,python2-tornado) + ("python2-ws4py" ,python2-ws4py-for-kaldi-gstreamer-server))) + (home-page "https://github.com/alumae/kaldi-gstreamer-server") + (synopsis "Real-time full-duplex speech recognition server") + (description "This is a real-time full-duplex speech recognition server, +based on the Kaldi toolkit and the GStreamer framework and implemented in +Python.") + (license license:bsd-2)))) |