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