Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeaccessibility@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 92 insertions, 0 deletions

diff --git a/kttsd/plugins/festivalint/sabletowave.scm b/kttsd/plugins/festivalint/sabletowave.scm
new file mode 100644
index 0000000..71293b4
--- /dev/null
+++ b/kttsd/plugins/festivalint/sabletowave.scm
@@ -0,0 +1,92 @@
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-*-mode:scheme-*-
+;;                                                                       ;;
+;;                Centre for Speech Technology Research                  ;;
+;;                     University of Edinburgh, UK                       ;;
+;;                       Copyright (c) 1996,1997                         ;;
+;;                        All Rights Reserved.                           ;;
+;;                                                                       ;;
+;;  Permission is hereby granted, free of charge, to use and distribute  ;;
+;;  this software and its documentation without restriction, including   ;;
+;;  without limitation the rights to use, copy, modify, merge, publish,  ;;
+;;  distribute, sublicense, and/or sell copies of this work, and to      ;;
+;;  permit persons to whom this work is furnished to do so, subject to   ;;
+;;  the following conditions:                                            ;;
+;;   1. The code must retain the above copyright notice, this list of    ;;
+;;      conditions and the following disclaimer.                         ;;
+;;   2. Any modifications must be clearly marked as such.                ;;
+;;   3. Original authors' names are not deleted.                         ;;
+;;   4. The authors' names are not used to endorse or promote products   ;;
+;;      derived from this software without specific prior written        ;;
+;;      permission.                                                      ;;
+;;                                                                       ;;
+;;  THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK        ;;
+;;  DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING      ;;
+;;  ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT   ;;
+;;  SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE     ;;
+;;  FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES    ;;
+;;  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN   ;;
+;;  AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,          ;;
+;;  ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF       ;;
+;;  THIS SOFTWARE.                                                       ;;
+;;                                                                       ;;
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;;           Author:  Alan W Black
+;;;           Date:    November 1997
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
+;; Adapted from text2wave by Alan Black.  Original copyright listed above.
+;;
+;; Copyright 2004 by Gary Cramblitt <garycramblitt@comcast.net>
+;;
+;; This scheme module is used by the Festival Interactive plugin,
+;; which is part of KTTSD.  To use,
+;;    (load sabletowave.scm)
+;; after starting Festival interactively, then to synth text containing
+;; SABLE tags to a single wave file.
+;;    (ktts_sabletowave "sable text" "filename" volume)
+;;
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;;; List of generated intermediate wave files.
+(defvar ktts_wavefiles nil)
+
+(define (ktts_save_record_wave utt)
+"Saves the waveform and records its so it can be joined into a 
+a single waveform at the end."
+  (let ((fn (make_tmp_filename)))
+    (utt.save.wave utt fn)
+    (set! ktts_wavefiles (cons fn ktts_wavefiles))
+    utt))
+
+(define (ktts_combine_waves outfile volume)
+  "Join all the waves together into the desired output file
+and delete the intermediate ones."
+  (let ((wholeutt (utt.synth (Utterance Text ""))))
+    (mapcar
+     (lambda (d) 
+       (utt.import.wave wholeutt d t)
+       (delete-file d))
+     (reverse ktts_wavefiles))
+;;    (if ktts_frequency
+;;      (utt.wave.resample wholeutt (parse-number ktts_frequency)))
+    (if (not (equal? volume "1.0"))
+    (begin
+      (utt.wave.rescale wholeutt (parse-number volume))))
+    (utt.save.wave wholeutt outfile 'riff)
+    ))
+
+;;;
+;;; Redefine what happens to utterances during text to speech.
+;;; Synthesize each utterance and save to a temporary wave file.
+;;;
+(set! tts_hooks (list utt.synth ktts_save_record_wave))
+
+(define (ktts_sabletowave text filename volume)
+  (set! ktts_wavefiles nil)
+  ;; Do the synthesis, which creates multiple wave files.
+  (tts_text text 'sable)
+  ;; Now put the waveforms together and adjust volume.
+  (ktts_combine_waves filename volume)
+)