283 lines
7.8 KiB
Bash
283 lines
7.8 KiB
Bash
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#!/bin/sh
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# __________ __ ___.
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# Open \______ \ ____ ____ | | _\_ |__ _______ ___
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# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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# \/ \/ \/ \/ \/
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# $Id$
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#
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# Copyright (c) 2006 Jonas Häggqvist
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#
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# All files in this archive are subject to the GNU General Public License.
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# See the file COPYING in the source tree root for full license agreement.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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# A selection of functions common to creating voicefiles for Rockbox.
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#
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# You may wish to change some of the settings below.
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#####################
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# Program locations #
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#####################
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# Leave any you're not using untouched, enter full path if the program is
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# not found
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# the festival main executable
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FESTIVAL_BIN=festival
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# the festival_client binary
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FESTIVAL_CLIENT=festival_client
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# The flite executable
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FLITE_BIN=flite
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# The eSpeak executable
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ESPEAK_BIN=speak
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# The lame executable
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LAME_BIN=lame
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# The speexenc executable
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SPEEX_BIN=speexenc
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# The oggenc executable
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VORBIS_BIN=oggenc
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# The wavtrim executable
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WAVTRIM=`dirname $0`/wavtrim
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#####################
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# Festival settings #
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#####################
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# If you're not using festival, leave untouched
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# whether to start the Festival server locally (Y/N)
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FESTIVAL_START=Y
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# the host of the Festival server
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# this is set to localhost automatically when FESTIVAL_START is Y
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FESTIVAL_HOST=localhost
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# the port of the Festival server
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FESTIVAL_PORT=1314
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# where to log the Festival client output
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FESTIVAL_LOG=/dev/null
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# other options to the festival client
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FESTIVAL_OPTS=""
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##################
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# Flite settings #
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##################
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# If you're not using flite, leave untouched
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FLITE_OPTS=""
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###################
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# eSpeak settings #
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###################
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# If you're not using eSpeak, leave untouched
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ESPEAK_OPTS=""
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####################
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# Wavtrim settings #
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####################
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# The maximum sample value that will be treated as silence by the wavtrim tool.
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# The value is expressed as an absolute 16 bit integer sample value (0 dB equals
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# 32767).
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#
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# 500 is a good guess - at least for Festival
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NOISEFLOOR='500'
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#####################
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# Encoding settings #
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#####################
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# where to log the encoder output
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ENC_LOG=/dev/null
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# Suggested: --vbr-new -t --nores -S
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# VBR, independent frames, silent mode
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LAME_OPTS="--vbr-new -t --nores -S"
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# Suggested:
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# XXX: suggest a default
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SPEEX_OPTS=""
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# Suggested: -q0 --downmix
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# Low quality, mono
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VORBIS_OPTS="-q0 --downmix"
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###################
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# End of settings #
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###################
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# Check if executables exist and perform any necessary initialisation
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init_tts() {
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case $TTS_ENGINE in
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festival)
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# Check for festival_client
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if [ ! `which $FESTIVAL_CLIENT` ]; then
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echo "Error: $FESTIVAL_CLIENT not found"
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exit 4
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fi
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# Check for, and start festival server if specified
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if [ X$FESTIVAL_START = XY ]; then
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if [ ! `which $FESTIVAL_BIN` ]; then
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echo "Error: $FESTIVAL_BIN not found"
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exit 3
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fi
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FESTIVAL_HOST='localhost'
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$FESTIVAL_BIN --server 2>&1 > /dev/null &
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FESTIVAL_SERVER_PID=$!
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sleep 3
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if [ `ps | grep -c "^\ *$FESTIVAL_SERVER_PID"` -ne 1 ]; then
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echo "Error: Festival not started"
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exit 9
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fi
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fi
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# Test connection to festival server
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output=`echo -E "Rockbox" | $FESTIVAL_CLIENT --server \
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$FESTIVAL_HOST --otype riff --ttw --output \
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/dev/null 2>&1`
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if [ $? -ne 0 ]; then
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echo "Error: Couldn't connect to festival server at" \
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"$FESTIVAL_HOST ($output)"
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exit 8
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fi
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;;
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flite)
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# Check for flite
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if [ ! `which $FLITE_BIN` ]; then
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echo "Error: $FLITE_BIN not found"
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exit 5
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fi
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;;
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espeak)
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# Check for flite
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if [ ! `which $ESPEAK_BIN` ]; then
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echo "Error: $ESPEAK_BIN not found"
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exit 5
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fi
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;;
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*)
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echo "Error: no valid TTS engine selected: $TTS_ENGINE"
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exit 2
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;;
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esac
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if [ ! -x $WAVTRIM ]; then
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echo "Error: $WAVTRIM is not available"
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exit 11
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fi
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}
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# Perform any necessary shutdown for TTS engine
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stop_tts() {
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case $TTS_ENGINE in
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festival)
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if [ X$FESTIVAL_START = XY ]; then
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# XXX: This is probably possible to do using festival_client
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kill $FESTIVAL_SERVER_PID > /dev/null 2>&1
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fi
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;;
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esac
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}
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# Check if executables exist and perform any necessary initialisation
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init_encoder() {
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case $ENCODER in
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lame)
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# Check for lame binary
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if [ ! `which $LAME_BIN` ]; then
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echo "Error: $LAME_BIN not found"
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exit 6
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fi
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;;
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speex)
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# Check for speexenc binary
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if [ ! `which $SPEEX_BIN` ]; then
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echo "Error: $SPEEX_BIN not found"
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exit 7
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fi
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;;
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vorbis)
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# Check for vorbis encoder binary
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if [ ! `which $VORBIS_BIN` ]; then
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echo "Error: $VORBIS_BIN not found"
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exit 10
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fi
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;;
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*)
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echo "Error: no valid encoder selected: $ENCODER"
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exit 1
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;;
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esac
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}
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# Encode file $1 with ENCODER and save the result in $2, delete $1 if specified
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encode() {
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INPUT=$1
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OUTPUT=$2
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if [ ! -f "$INPUT" ]; then
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echo "Warning: missing input file: \"$INPUT\""
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else
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echo "Action: Encode $OUTPUT with $ENCODER"
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case $ENCODER in
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lame)
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$LAME_BIN $LAME_OPTS "$WAV_FILE" "$OUTPUT" >>$ENC_LOG 2>&1
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;;
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speex)
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$SPEEX_BIN $SPEEX_OPTS "$WAV_FILE" "$OUTPUT" >>$ENC_LOG 2>&1
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;;
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vorbis)
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$VORBIS_BIN $VORBIS_OPTS "$WAV_FILE" -o "$OUTPUT" >>$ENC_LOG 2>&1
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esac
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if [ ! -f "$OUTPUT" ]; then
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echo "Warning: missing output file \"$OUTPUT\""
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fi
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fi
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}
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# Generate file $2 containing $1 spoken by TTS_ENGINE, trim silence
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voice() {
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TO_SPEAK=$1
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WAV_FILE=$2
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if [ ! -f "$WAV_FILE" ] || [ X$OVERWRITE_WAV = XY ]; then
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if [ "${TO_SPEAK}" == "" ]; then
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touch "$WAV_FILE"
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else
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case $TTS_ENGINE in
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festival)
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echo "Action: Generate $WAV_FILE with festival"
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echo -E "$TO_SPEAK" | $FESTIVAL_CLIENT $FESTIVAL_OPTS \
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--server $FESTIVAL_HOST \
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--otype riff --ttw --output "$WAV_FILE" 2>"$WAV_FILE"
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;;
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espeak)
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echo "Action: Generate $WAV_FILE with eSpeak"
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echo $ESPEAK_BIN $ESPEAK_OPTS -w "$WAV_FILE"
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echo -E "$TO_SPEAK" | $ESPEAK_BIN $ESPEAK_OPTS -w "$WAV_FILE"
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;;
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flite)
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echo "Action: Generate $WAV_FILE with flite"
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echo -E "$TO_SPEAK" | $FLITE_BIN $FLITE_OPTS -o "$WAV_FILE"
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;;
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esac
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fi
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fi
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trim "$WAV_FILE"
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}
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# Trim wavefile $1
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trim() {
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WAVEFILE="$1"
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echo "Action: Trim $WAV_FILE"
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$WAVTRIM "$WAVEFILE" $NOISEFLOOR
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}
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