diff options
Diffstat (limited to 'abs/core/tweaker/bin/twk_audio.pl')
-rwxr-xr-x | abs/core/tweaker/bin/twk_audio.pl | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/abs/core/tweaker/bin/twk_audio.pl b/abs/core/tweaker/bin/twk_audio.pl new file mode 100755 index 0000000..47a2415 --- /dev/null +++ b/abs/core/tweaker/bin/twk_audio.pl @@ -0,0 +1,390 @@ +#!/usr/bin/perl -w + +# Copyright 2007-2009 Robert ("Bob") Igo of StormLogic, LLC and mythic.tv. +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +use Switch; +use Tweaker::Script; +package Tweaker::Script; + +set_known_options( 'analogstereo', 'analogsurround', 'digital' ); + +# Poll the system to find the digital output device. +sub poll_for_digital_output_device { + my $card=-1; + my $device=-1; + my $poll_command = "aplay -l | grep card"; + + my @digital_matches = ( "digital", "IEC958" ); + + my $results = execute_shell_command($poll_command); + if ($results) { + foreach my $digital_match (@digital_matches) { + if ($results =~ /card (\d):.*device (\d).*$digital_match.*/i) { + $card = $1; + $device = $2; + } + } + } else { + recommendation_level("not available", "No audio devices detected."); + exit(-1); + } + return ($card, $device); +} + +# Try to implement the given option. +sub implement_option { + my($option) = @_; + use vars qw($card); + use vars qw($device); + ($card, $device) = poll_for_digital_output_device; + use vars qw($asound_conf); + $asound_conf = "/etc/asound.conf"; + use vars qw($mplayer_conf); + $mplayer_conf = "/etc/mplayer/mplayer.conf"; + use vars qw($xine_conf); + $xine_conf = "/home/mythtv/.xine/config"; + + sub generate_asound_conf { + my($option) = @_; + my $command1; + my $command2; + + switch ($option) { + case "analogstereo" { + # Analog stereo usually needs no asound.conf, but sometimes it needs to be there to + # support more than one app using sound simultaneously. + $command1 = "[ -e $asound_conf ] && /bin/cp $asound_conf $asound_conf-TWEAKERBACKUP"; + # Assumption: The proper analog device is always device 0. + if ($card >= 0) { + $command2 = "[ -e $asound_conf ] && sed -i 's/hw:.,./hw:$card,0/g' $asound_conf"; + } else { + $command2 = "[ -e $asound_conf ] && sed -i 's/hw:.,./hw:0,0/g' $asound_conf"; + } + } + case "analogsurround" { + # Not supported yet. + } + case "digital" { + # Digital audio starts with an asound.conf that references the + # hardware address on the sound device corresponding to digital + # output. + $command1 = "/bin/cp \$TWEAKER_ROOT/fs$asound_conf /etc/"; + if (($card >= 0) && ($device >= 0)) { + $command2 = "[ -e $asound_conf ] && sed -i 's/hw:.,./hw:$card,$device/g' $asound_conf"; + } else { + my $logger = get_logger('tweaker.script'); + $logger->error("ERROR: Unable to poll for digital sound output device."); + exit(-1); + } + } + } + if (my $error = execute_shell_command($command1)) { + my $logger = get_logger('tweaker.script'); + $logger->error("ERROR: $error"); + $logger->error("ERROR: Unable to implement option $option."); + exit(-1); + } + if (my $error = execute_shell_command($command2)) { + my $logger = get_logger('tweaker.script'); + $logger->error("ERROR: $error"); + $logger->error("ERROR: Unable to implement option $option."); + exit(-1); + } + my $logger = get_logger('tweaker.script'); + $logger->info("Generated $asound_conf for $option audio."); + } + + sub edit_mplayer_conf { + my($option) = @_; + # delete any old entries that Tweaker made, relevant to this particular edit + my $delete_old_tweaker_edits = "[ -e $mplayer_conf ] && sed -i '/^.*a[o,c,f].*=.*#TWEAKER/d' $mplayer_conf && sed -i '/^speed.*=.*#TWEAKER/d' $mplayer_conf"; + # comment out old entries that some other process may have made + my $comment_out_external_edits = "[ -e $mplayer_conf ] && sed -i 's/^\\(a[o,c,f].*=.*\\)/#\\1/g' $mplayer_conf && sed -i 's/^\\(speed.*=.*\\)/#\\1/g' $mplayer_conf"; + my $command1; + my $command2=""; + ($card, $device) = poll_for_digital_output_device; + my $logger = get_logger('tweaker.script'); + + if (my $error = execute_shell_command("$delete_old_tweaker_edits && $comment_out_external_edits")) { + $logger->error("ERROR: $error"); + $logger->error("ERROR: Unable to implement option $option."); + exit(-1); + } + + switch($option) { + case "analogstereo" { + # No additional work needed; the above commands comment out ao and ac entries, + # leaving a baseline which works with analog stereo. + } + case "analogsurround" { + # Not supported yet. + } + case "digital" { + $command2 = "echo -e 'ac=hwac3,hwdts, #TWEAKER\nao=alsa:device=plughw=$card.$device #TWEAKER' >> $mplayer_conf"; + if (my $error = execute_shell_command($command2)) { + $logger->error("ERROR: $error"); + $logger->error("ERROR: Unable to implement option $option."); + exit(-1); + } + + my @digital_audio_device_patterns = ( + [ + # Asus T3-M2NC51PV onboard audio + ".*0403.*10de.*026c.*1043.*821f", "T3-M2NC51PV", "[ -e $mplayer_conf ] && sed -i 's/plughw.* #TWEAKER/spdif #TWEAKER/g' $mplayer_conf" + ] + ); + + foreach my $pattern_and_workaround_command (@digital_audio_device_patterns) { + my $pattern=@$pattern_and_workaround_command[0]; + my $name=@$pattern_and_workaround_command[1]; + my $workaround_command=@$pattern_and_workaround_command[2]; + + if (execute_shell_command('lspci -mn | grep -e "'.$pattern.'"')) { + $logger->info("Applying workaround for $name audio"); + execute_shell_command($workaround_command); + last; + } + } + } + } + # for all options + $command2 = "echo -e 'af=scaletempo=stride=30:overlap=.50:search=10 #TWEAKER\nspeed=1.0 #TWEAKER' >> $mplayer_conf"; + if (my $error = execute_shell_command($command2)) { + $logger->error("ERROR: $error"); + $logger->error("ERROR: Unable to implement option $option."); + exit(-1); + } + + $logger->info("Edited $mplayer_conf for $option audio."); + } + + sub edit_xine_conf { + my($option)=@_; + # delete any old entries that Tweaker made, relevant to this particular edit + my $delete_old_tweaker_edits = "[ -e $xine_conf ] && sed -i -e '/^.*audio.output.speaker_arrangement.*#TWEAKER/d' -e '/^.*audio.synchronization.passthrough_offset.*#TWEAKER/d' $xine_conf"; + # comment out entries that some other process may have made + my $comment_out_external_edits = "[ -e $xine_conf ] && sed -i -e 's/^\\(audio.output.speaker_arrangement.*\\)/#\\1/g' -e 's/^\\(audio.synchronization.passthrough_offset.*\\)/#\\1/g' $xine_conf"; + my $logger = get_logger('tweaker.script'); + + if (my $error = execute_shell_command("$delete_old_tweaker_edits && $comment_out_external_edits")) { + $logger->error("ERROR: $error"); + $logger->error("ERROR: Unable to implement option $option."); + exit(-1); + } + + my $command1; + + switch($option) { + case "analogstereo" { + $command1 = "echo 'audio.output.speaker_arrangement:Stereo 2.0 #TWEAKER' >> $xine_conf"; + } + case "analogsurround" { + # Not supported yet. + } + case "digital" { + $command1 = "echo -e 'audio.output.speaker_arrangement:Pass Through #TWEAKER\naudio.synchronization.passthrough_offset:$device #TWEAKER' >> $xine_conf"; + } + } + if (my $error = execute_shell_command($command1)) { + $logger->error("ERROR: $error"); + $logger->error("ERROR: Unable to implement option $option."); + exit(-1); + } + $logger->info("Edited $xine_conf for $option audio."); + } + + sub reload_modules { + my($option) = @_; + my $command = "update-modules; depmod -a; rmmod snd-pcm-oss; modprobe snd-pcm-oss"; + my $logger = get_logger('tweaker.script'); + + if (my $error = execute_shell_command($command)) { + $logger->error("ERROR: $error"); + $logger->error("ERROR: Unable to implement option $option."); + exit(-1); + } + $logger->info("Reloaded sound modules for $option audio."); + } + + sub set_mixer_values { + my($option) = @_; + my $logger = get_logger('tweaker.script'); + + # Some sound devices work poorly in their default state, so we will load in a known-good + # state for them. + + my @digital_audio_device_patterns = ( + [ + # Chaintech AV-710 + ".*0401.*1412.*1724.*1412.*1724", "AV710" + ], + [ + # Realtek ALC888 High Definition onboard Audio + ".*0403.*10de.*055c.*1565.*820c", "ALC888" + ] + ); + + foreach my $pattern_and_name_pairing (@digital_audio_device_patterns) { + my $name=@$pattern_and_name_pairing[1]; + my $pattern=@$pattern_and_name_pairing[0]; + + if (execute_shell_command('lspci -mn | grep -e "'.$pattern.'"')) { + $logger->info("Applying ALSA state workaround for $name audio"); + execute_shell_command("/bin/cp \$TWEAKER_ROOT/fs/var/lib/alsa/$name.asound.state /var/lib/alsa/asound.state"); + execute_shell_command("alsactl restore"); + last; + } + } + + # Now, do what works for all sound devices. + + my $command = "su - mythtv -c \"aumix -v 70 -m 0 -l 0 -l R -w 70\""; # ok for analog and digital + + if (my $error = execute_shell_command($command)) { + $logger->error("ERROR: $error"); + $logger->error("ERROR: Unable to implement option $option."); + exit(-1); + } + + if ("$option" eq "digital") { + # Poll system for IEC958 controls, and try to turn them all 'on' + $command = "amixer scontrols | grep IEC958"; + my @results = split('\n', execute_shell_command($command)); + foreach my $line (@results) { + if ($line =~ /Simple mixer control (.*),.*/i) { + $command = "su - mythtv -c \"amixer set $1 on\""; # Tries to set all IEC958 devices to 'on' + # but some are just placeholders and can't be turned 'on', therefore don't error out if we fail + execute_shell_command($command); + } + } + } + execute_shell_command("alsactl store"); # persist the above change(s) + $logger->info("Reset mixer volume levels for $option audio."); + } + + sub edit_mythtv_configuration { + my($option)=@_; + + $dbconnectionstring = get_mythtv_connection_string(); + + if (connect_to_db("DBI:mysql:$dbconnectionstring")) { + switch ($option) { + case "analogstereo" { + change_or_make_setting('AC3PassThru', '0') || exit -1; + change_or_make_setting('DTSPassThru', '0') || exit -1; + change_or_make_setting('MTDac3Flag', '0') || exit -1; + change_or_make_setting('MythControlsVolume', '1') || exit -1; + } + case "analogsurround" { + # Not supported yet. + } + case "digital" { + change_or_make_setting('AC3PassThru', '1') || exit -1; + change_or_make_setting('DTSPassThru', '1') || exit -1; + change_or_make_setting('MTDac3Flag', '1') || exit -1; + change_or_make_setting('MythControlsVolume', '0') || exit -1; + } + } + change_or_make_setting('AudioOutputDevice', 'ALSA:default') || exit -1; + change_or_make_setting('MixerDevice', 'ALSA:default') || exit -1; + change_or_make_setting('MusicAudioDevice', 'default') || exit -1; + } else { + exit -1; + } + disconnect_from_db(); + } + + generate_asound_conf($option); + edit_mplayer_conf($option); + #edit_xine_conf($option); + #reload_modules($option); + edit_mythtv_configuration($option); + set_mixer_values($option); +} + +# Try to get a Recommendation Level for $option. +sub poll_options { + my($option) = @_; + my @digital_audio_device_patterns = ( + [ + # Pattern matches for PCI IDs of perfect devices, comma-separated within the brackets + [ ".*0403.*8086.*284b.*8086.*2504", # Intel DG965WH onboard audio + ".*0403.*10de.*026c.*1043.*821f", # Asus T3-M2NC51PV onboard audio + ".*0403.*8086.*293e.*8086.*3001" # Intel AusDragon onboard audio + ], + "optional|Your sound device works very well in digital mode. Unless you don't have a receiver that can accept digital inputs, you should use digital mode.", + ], + [ + # Pattern matches for PCI IDs of suboptimal devices, comma-separated within the brackets + [ ".*0401.*1412.*1724.*1412.*1724", # Chaintech AV-710 PCI card (regressions in R5.5) + ], + "inadvisable|Your sound device is known to have some problems in digital mode, but you may try it if you like, starting at low volume in your receiver.", + ], + [ + [ ], # Leave blank for unknown devices + "optional|Your sound device may or may not work well in digital mode. Please tell us if it works, and how well.", + ] + ); + + switch ($option) { + case "analogstereo" { + my ($card, $device) = poll_for_digital_output_device; + if (($card >= 0) && ($device >= 0)) { # A digital output device was detected. + recommendation_level("optional"); + } else { + recommendation_level("recommended", "You seem to have no digital output option. If this is not true, please tell us."); + } + } + case "analogsurround" { + my ($card, $device) = poll_for_digital_output_device; + recommendation_level("unsupported", "No configuration data exists yet for this option."); + } + case "digital" { + my ($card, $device) = poll_for_digital_output_device; + if (($card >= 0) && ($device >= 0)) { # A digital output device was detected. + my $recommendation_return_string; + foreach my $pattern_and_recommendation_pairing (@digital_audio_device_patterns) { + $recommendation_return_string=@$pattern_and_recommendation_pairing[1]; + foreach my $patterns (@$pattern_and_recommendation_pairing[0]) { + foreach my $pattern (@$patterns) { + if (execute_shell_command('lspci -mn | grep -e "'.$pattern.'"')) { + recommendation_level($recommendation_return_string); + return; + } + } + } + } + # Because we didn't return a recommendation level above, return a default recommendation level. + recommendation_level($recommendation_return_string); + return; + } else { # No digital output device was detected. + recommendation_level("not available"); + } + } + } +} + +# Unimplemented in 0.7 +sub check_option { + help; +} + +# Unimplemented in 0.7 +sub count_iterations { + help; +} + +process_parameters; |