alsa-tools-emu10k1/alsa-emu10k1d

   1 #!/bin/bash
   2 # alsa-emu10k1d v0.5 RC1 (GPL3) by 3ED <krzysztof1987@gamil.com>
   3 #
   4 . /etc/rc.conf
   5 . /etc/rc.d/functions
   6 . /etc/conf.d/alsa-emu10k1d
   7
   8
   9 # DSP state file..
  10 ETC_DIR="/var/lib/alsa"
  11 DSP_STATE="${ETC_DIR}/asound.dsp"
  12 MASTER_STATE="${ETC_DIR}/amixer.state"
  13 ASOUND_STATE="${ETC_DIR}/asound.state"
  14
  15
  16 #-------------------------------------------------------------------------------
  17 #  Initial functions - setup and update
  18 #-------------------------------------------------------------------------------
  19 sub_update_to_new_version() {
  20   sub_update_0_4_to_0_5
  21 }
  22 sub_update_0_4_to_0_5() { #TODO ${ETC_DIR}
  23   # Now you can simple mount rootfs as read-only and this program is not the barier
  24   [ ! -d "/var/lib/alsa" ] && install -dm755 "/var/lib/alsa" || return
  25
  26   if [ ! -f "/var/lib/alsa/asound.dsp" ] && [ -f "/etc/asound.dsp" ]; then
  27     install -m600 "/etc/asound.dsp" "/var/lib/alsa/asound.dsp"
  28   fi
  29
  30   if [ ! -f "/var/lib/alsa/asound.state" ] && [ -f "/etc/asound.state" ]; then
  31     install -m600 "/etc/asound.state" "/var/lib/alsa/asound.state"
  32   fi
  33 }
  34 sub_first_run() {
  35   echo -n "Turn off any audio programs and speakers.. [enter to continue]"
  36   read
  37   /etc/rc.d/alsa stop
  38   echo "==> Backuping rc.conf.."
  39   cp -v /etc/rc.conf /etc/rc.conf.backup-emu10k1d
  40   echo "==> Replacing \"alsa\" --> \"alsa-emu10k1d\" in rc.conf.."
  41   sed -i 's/\(DAEMONS.*\)alsa[[:space:]]\(.*)\)/\1alsa-emu10k1d \2/g' /etc/rc.conf
  42 }
  43
  44
  45 #---------------------------------------------------------------------------
  46 #  Common functions
  47 #---------------------------------------------------------------------------
  48 sub_stat_return() {
  49   if [ "$1" = "0" ]; then
  50     stat_done
  51   else
  52     stat_fail
  53     return 1
  54   fi
  55 }
  56 sub_lock_touch() {
  57   [ -f "/tmp/.lo10k1.lock" ] || touch /tmp/.lo10k1.lock || return 1
  58 }
  59
  60
  61 #-------------------------------------------------------------------------------
  62 #  Storing functions
  63 #-------------------------------------------------------------------------------
  64 sub_store_master_mixer() {
  65   local OPH="`amixer get Master`" OPH_MODE=0 L="" R=""
  66
  67   while read LINE; do
  68     # 1 channel - mono
  69     if [ $OPH_MODE = 1 ] && [ "${LINE:0:5}" = "Mono:" ]; then
  70       L="`expr "$LINE" : ".*Playback [0-9]* \[\([0-9]*%\).*"`" || return 1
  71     fi
  72
  73     # 2 channels - stereo
  74     if [ $OPH_MODE = 2 ] && [ "${LINE:0:11}" = "Front Left:" ]; then
  75       L="`expr "$LINE" : ".*Playback [0-9]* \[\([0-9]*%\).*"`" || return 1
  76     fi
  77
  78     if [ $OPH_MODE = 2 ] && [ "${LINE:0:12}" = "Front Right:" ]; then
  79       R="`expr "$LINE" : ".*Playback [0-9]* \[\([0-9]*%\).*"`" || return 1
  80     fi
  81
  82     # detecting mixer type: mono/stereo
  83     if [ $OPH_MODE = 0 ] && [ "${LINE:0:18}" = "Playback channels:" ]; then
  84       expr "$LINE" : ".*Mono"                     &> /dev/null && OPH_MODE=1
  85       expr "$LINE" : ".*Front Left - Front Right" &> /dev/null && OPH_MODE=2
  86     fi
  87   done << LINE
  88 $OPH
  89 LINE
  90
  91   [ -z "$L" ] && return 1
  92
  93   echo $L $R > "$MASTER_STATE"
  94 }
  95 sub_store_DSP(){
  96   /usr/bin/lo10k1 --store "$DSP_STATE" || return 1
  97 }
  98 sub_store_ALSA(){
  99   /usr/sbin/alsactl $ALSA_ARGS --file "$ASOUND_STATE" store || return 1
 100 }
 101
 102
 103 #-------------------------------------------------------------------------------
 104 #  Restoring functions
 105 #-------------------------------------------------------------------------------
 106 sub_restore_DSP() {
 107   test -f "/tmp/.lo10k1.lock" && return 0
 108   case $INIT_NAME in
 109     "auto")
 110       if [ -f "$DSP_STATE" ]; then
 111         /usr/bin/lo10k1 --restore "$DSP_STATE"
 112       else
 113         for cardid in {0..20}; do [ -f "/proc/asound/card$cardid/emu10k1" ] && break; done
 114         card="$(expr "$(cat /proc/asound/card$cardid/id)" : '.*\(Live\|Audigy\)')" 2> /dev/null
 115         case $card in
 116           "Audigy") init_audigy_eq10 || return 1;;
 117           "Live")   init_live || return 1 ;;
 118           *)
 119             if (( "$cardid" >= 20 )); then
 120               echo "Do you realy have emu10k1 card?"
 121             else
 122               echo "FIXME: Send me your /proc/asound/card$cardid/id entry and oryginal card name."
 123             fi
 124             echo "Workaround: Change INIT_NAME=(your) in conf.d and then run daemon start and store."
 125             return 1
 126         esac
 127       fi
 128       ;;
 129     *) init_$INIT_NAME &> /dev/null || return 1
 130   esac
 131 }
 132 sub_restore_ALSA() {
 133   /usr/sbin/alsactl $ALSA_ARGS --file "$ASOUND_STATE" restore > /dev/null || return 1
 134
 135   POWERSAVE=${POWERSAVE:-0}
 136   if [ -e /sys/module/snd_ac97_codec/parameters/power_save -a $POWERSAVE -ne 0 ]; then
 137     echo $POWERSAVE > /sys/module/snd_ac97_codec/parameters/power_save
 138     [ -c /dev/dsp ] && echo 1 > /dev/dsp
 139   fi
 140
 141   if [ -e /sys/module/snd_hda_intel/parameters/power_save -a $POWERSAVE -ne 0 ]; then
 142     echo $POWERSAVE > /sys/module/snd_hda_intel/parameters/power_save
 143     [ -c /dev/dsp ] && echo 1 > /dev/dsp
 144   fi
 145
 146   return 0
 147 }
 148
 149
 150 #-------------------------------------------------------------------------------
 151 #  Daemon functions
 152 #-------------------------------------------------------------------------------
 153 sub_daemon_mute_master_mixer() {
 154   if [[ "$MUTE_MASTER_MIXER" =~ [Yy] ]]; then
 155     stat_busy "Mute ALSA Master Mixer"
 156     amixer set Master 0 &> /dev/null
 157     sub_stat_return $?
 158   fi
 159 }
 160 sub_daemon_store_master_mixer() {
 161   if [[ "$STORE_MASTER_MIXER" =~ [Yy] ]]
 162   then
 163     stat_busy "Saving ALSA Master Mixer"
 164     sub_store_master_mixer
 165     sub_stat_return $?
 166   fi
 167 }
 168 sub_daemon_store_alsa() {
 169   if [[ "$STORE_ALSA" =~ [Yy] ]]; then
 170     stat_busy "Saving ALSA Levels"
 171     sub_store_ALSA
 172     sub_stat_return $?
 173   else
 174     sub_daemon_store_master_mixer
 175   fi
 176 }
 177 sub_daemon_store_dsp() {
 178     if [[ $STORE_DSP =~ [Yy] ]]; then
 179       stat_busy "Saving ALSA DSP Levels"
 180       sub_store_DSP
 181       sub_stat_return $? && sub_lock_touch
 182     fi
 183 }
 184
 185
 186 #-------------------------------------------------------------------------------
 187 #  Main functions
 188 #-------------------------------------------------------------------------------
 189 sub_daemon_store() {
 190   if [[ "$STOP_WITH_STORE" =~ [Yy] ]]; then
 191     sub_daemon_store_alsa
 192     sub_daemon_store_dsp
 193   else
 194     sub_daemon_store_master_mixer
 195   fi
 196
 197   sub_daemon_mute_master_mixer
 198 }
 199 sub_daemon_restore_master_mixer() {
 200   if [[ "$STORE_MASTER_MIXER" =~ [Yy] ]]
 201   then
 202     [[ "$STOP_WITH_STORE" =~ [Yy] ]] && [[ "$STORE_ALSA" =~ [Yy] ]] && return 0
 203     stat_busy "Restoring ALSA Master Mixer"
 204     amixer set Master `cat "$MASTER_STATE"` > /dev/null
 205     sub_stat_return $?
 206   fi
 207 }
 208 sub_daemon_restore(){
 209   stat_busy "Restoring ALSA DSP Levels"
 210   sub_restore_DSP
 211   sub_stat_return $? && sub_lock_touch
 212
 213   stat_busy "Restoring ALSA Levels"
 214   sub_restore_ALSA
 215   sub_stat_return $?
 216
 217   sub_daemon_restore_master_mixer
 218 }
 219 sub_daemon_start() {
 220   test -f "/var/run/daemons/alsa" && sub_first_run
 221   stat_busy "Starting ALSA DSP Processor"
 222   /usr/sbin/ld10k1d start &> /dev/null
 223   if sub_stat_return $?; then
 224     add_daemon alsa-emu10k1d
 225     sub_daemon_restore
 226   fi
 227 }
 228 sub_daemon_stop() {
 229   sub_daemon_store
 230   stat_busy "Stopping ALSA DSP processor"
 231   /usr/sbin/ld10k1d stop &> /dev/null
 232   sub_stat_return $? && rm_daemon alsa-emu10k1d
 233 }
 234 sub_daemon_restart() {
 235   sub_daemon_stop
 236   sleep 1
 237   sub_daemon_start
 238 }
 239
 240 sub_update_to_new_version
 241
 242 case "$1" in
 243   start)   sub_daemon_start;;
 244   stop)    sub_daemon_stop;;
 245   store)   STOP_WITH_STORE="Yes" STORE_ALSA="Yes" STORE_DSP="Yes" sub_daemon_store;;
 246   restore) sub_daemon_restore;;
 247   restart) sub_daemon_restart;;
 248   *) echo "usage: $0 {start|stop|store|restore|restart}"
 249 esac
 250
 251 exit 0