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|
################################################################################
# _____ _
# |_ _| |_ ___
# | | | ' \/ -_)
# |_| |_||_\___|
# _ _ ____ _ _
# / \ _ __ ___| |_(_) ___ __ _ | _ \ _ __ ___ (_) ___ ___| |_
# / _ \ | '__/ __| __| |/ __/ _` | | |_) | '__/ _ \| |/ _ \/ __| __|
# / ___ \| | | (__| |_| | (_| (_| | | __/| | | (_) | | __/ (__| |_
# /_/ \_\_| \___|\__|_|\___\__,_| |_| |_| \___// |\___|\___|\__|
# |__/
# The Arctica Modular Remote Computing Framework
#
################################################################################
#
# Copyright (C) 2015-2016 The Arctica Project
# http://arctica-project.org/
#
# This code is dual licensed: strictly GPL-2 or AGPL-3+
#
# GPL-2
# -----
# 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; version 2 of the License.
#
# 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, write to the
# Free Software Foundation, Inc.,
#
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
#
# AGPL-3+
# -------
# This programm is free software; you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This programm 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program; if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
#
# Copyright (C) 2015-2017 Guangzhou Nianguan Electronics Technology Co.Ltd.
# <opensource@gznianguan.com>
# Copyright (C) 2015-2017 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
#
################################################################################
package Arctica::Services::Audio::Server::PulseAudio::PAVirtualDevices;
use strict;
use Exporter qw(import);
use Arctica::Core::BugOUT::Basics qw( BugOUT );
use Arctica::Core::Mother::Forker;
use Data::Dumper;# Remove this before release! (unless we're still dependant)
# Be very selective about what (if any) gets exported by default:
our @EXPORT = qw( );
# And be mindfull of what we lett the caller request here too:
our @EXPORT_OK = qw( getLIST_amap_by_name );
my $arctica_core_object;
sub new {
BugOUT(9,"PAVirtualDevices new->ENTER");
my $class_name = $_[0];# Be EXPLICIT!! DON'T SHIFT OR "@_";
$arctica_core_object = $_[1];
my $self = {
isArctica => 1, # Declare that this is a Arctica "something"
aobject_name => "PulseAudio_Devices",
hook_device_state => $_[2]->{'hook_device_state'},
pa_timeout => 5,
};
bless($self, $class_name);
# Set up initial "required" default devices... (Do this cleaner in the future!?)
# At some point we may add support for dynamically creating new devices.
$self->{'pa_vdev'}{'input'}{0}{'pa_sink_name'} = "arctica.input0";
$self->{'pa_vdev'}{'input'}{0}{'pa_source_name'} = "arctica.mic0";
$self->{'pa_vdev'}{'input'}{0}{'pa_state'} = "S";
$self->{'pa_vdev'}{'input'}{0}{'pa_idle_since'} = 0;
$self->{'pa_vdev'}{'input'}{0}{'our_state'} = "S";
$self->{'pa_vdev'}{'input'}{0}{'gst_thread'} = 0;
$self->{'pa_vdev'}{'output'}{0}{'pa_sink_name'} = "arctica.output0";
$self->{'pa_vdev'}{'output'}{0}{'pa_state'} = "S";
$self->{'pa_vdev'}{'output'}{0}{'pa_idle_since'} = 0;
$self->{'pa_vdev'}{'output'}{0}{'our_state'} = "S";
$self->{'pa_vdev'}{'output'}{0}{'gst_thread'} = 0;
# "action_map" may go away.... (limited usefullness if any in current itteration of code.)
$self->{'pa_vdev'}{'action_map'}{'by_name'}{'arctica.mic0'} =
{
type => "input",
idnum => 0,
};
$self->{'pa_vdev'}{'action_map'}{'by_name'}{'arctica.output0'} =
{
type => "output",
idnum => 0,
};
# Start Subscribing to PA Events
# FIXME Structure of output from pactl is not guaranteed to be reliable but works ok for now.
# Replace with custom PA client in the future.
$self->{'subscribe_pulse_events'} = Arctica::Core::Mother::Forker->new($arctica_core_object,{# FIXME Clean up this one!
child_name => 'pulse_events',
fork_style => 'interactive_pty',
handle_stdeoc => sub {$self->_pulse_event_handler(@_)},
return_stdin => 0,
exec_hold => 0,
env_strict => 0,
env_pass => {
'ARCTICA' => 1,
'USER' => 1,
},
exec_path => "/usr/bin/pactl",# FIXME Make this configurable!
exec_cl_argv => ["subscribe"],
});
$arctica_core_object->{'aobj'}{'AudioServer'}{'PA_Virtual_Devices'} = \$self;
$self->{'GlibTimeout_suspend_idle'} = Glib::Timeout->add (1000, sub {$self->_suspend_idle}, undef, 1 );
BugOUT(9,"PAVirtualDevices new->DONE");
return $self;
}
sub _suspend_idle {# Cause we can't always rely on PulseAudio for this.... (PA BUG?)
my $self = $_[0];
foreach my $idnum (keys %{$self->{'pa_vdev'}{'input'}}) {
if (($self->{'pa_vdev'}{'input'}{$idnum}{'pa_state'} eq "I") and ($self->{'pa_vdev'}{'input'}{$idnum}{'our_state'} ne "S")) {
if ($self->{'pa_vdev'}{'input'}{$idnum}{'pa_idle_since'} < (time - $self->{'pa_timeout'})) {
$self->_set_device_our_state("input",$idnum,$self->{'pa_vdev'}{'input'}{$idnum}{'pa_source_name'},"S");
}
}
}
foreach my $idnum (keys %{$self->{'pa_vdev'}{'output'}}) {
if (($self->{'pa_vdev'}{'output'}{$idnum}{'pa_state'} eq "I") and ($self->{'pa_vdev'}{'output'}{$idnum}{'our_state'} ne "S")) {
if ($self->{'pa_vdev'}{'output'}{$idnum}{'pa_idle_since'} < (time - $self->{'pa_timeout'})) {
$self->_set_device_our_state("output",$idnum,$self->{'pa_vdev'}{'output'}{$idnum}{'pa_sink_name'},"S");
}
}
}
return 1;
}
sub _set_device_our_state {
BugOUT(9,"set_device_our_state ENTER");
my $self = $_[0];
my $type = $_[1];
my $idnum = $_[2];
my $name = $_[3];
my $new_state = $_[4];
if ($type eq "input") {
BugOUT(8,"INPUT");
if ($self->{'pa_vdev'}{'input'}{$idnum}{'pa_source_name'} eq $name) {# overkill but sanity checks can be good...
unless ($self->{'pa_vdev'}{'input'}{$idnum}{'our_state'} eq $new_state) {
$self->{'pa_vdev'}{'input'}{$idnum}{'our_state'} = $new_state;
#print "$name\t$new_state\n";
# if ($new_state eq "R") {
# } elsif ($new_state eq "I") {
# } elsif ($new_state eq "S") {
# }
$self->{'hook_device_state'}($type,$idnum,$name,$new_state);
} else {
# DO NOTHING !
}
}
} elsif ($type eq "output") {
BugOUT(8,"OUTPUT");
if ($self->{'pa_vdev'}{'output'}{$idnum}{'pa_sink_name'} eq $name) {
unless ($self->{'pa_vdev'}{'output'}{$idnum}{'our_state'} eq $new_state) {
$self->{'pa_vdev'}{'output'}{$idnum}{'our_state'} = $new_state;
#print "$name\t$new_state\n";
# if ($new_state eq "R") {
# } elsif ($new_state eq "I") {
# } elsif ($new_state eq "S") {
# }
$self->{'hook_device_state'}($type,$idnum,$name,$new_state);
}
}
}
BugOUT(9,"set_device_our_state DONE");
}
sub _set_device_pa_state {
BugOUT(9,"set_device_pa_state ENTER");
my $self = $_[0];
my $type = $_[1];
my $idnum = $_[2];
my $name = $_[3];
my $new_state = $_[4];
if ($type eq "input") {
# BugOUT(8,"INPUT");
if ($self->{'pa_vdev'}{'input'}{$idnum}{'pa_source_name'} eq $name) {# overkill but sanity checks can be good...
unless ($self->{'pa_vdev'}{'input'}{$idnum}{'pa_state'} eq $new_state) {
$self->{'pa_vdev'}{'input'}{$idnum}{'pa_state'} = $new_state;
if ($new_state eq "R") {
$self->{'pa_vdev'}{'input'}{$idnum}{'pa_idle_since'} = 0;
$self->_set_device_our_state($type,$idnum,$name,$new_state);
} elsif ($new_state eq "I") {
$self->{'pa_vdev'}{'input'}{$idnum}{'pa_idle_since'} = time();
# $self->_set_device_our_state($type,$idnum,$name,$new_state);
} elsif ($new_state eq "S") {
$self->_set_device_our_state($type,$idnum,$name,$new_state);
}
} else {
# DO NOTHING?
}
}
} elsif ($type eq "output") {
# BugOUT(8,"OUTPUT");
if ($self->{'pa_vdev'}{'output'}{$idnum}{'pa_sink_name'} eq $name) {
unless ($self->{'pa_vdev'}{'output'}{$idnum}{'pa_state'} eq $new_state) {
$self->{'pa_vdev'}{'output'}{$idnum}{'pa_state'} = $new_state;
#print "$name\t$new_state\n";
if ($new_state eq "R") {
$self->{'pa_vdev'}{'output'}{$idnum}{'pa_idle_since'} = 0;
$self->_set_device_our_state($type,$idnum,$name,$new_state);
} elsif ($new_state eq "I") {
$self->{'pa_vdev'}{'output'}{$idnum}{'pa_idle_since'} = time();
# $self->_set_device_our_state($type,$idnum,$name,$new_state);
} elsif ($new_state eq "S") {
$self->_set_device_our_state($type,$idnum,$name,$new_state);
}
} else {
# DO NOTHING?
}
}
}
BugOUT(9,"set_device_pa_state DONE");
}
sub _pulse_event_handler {
BugOUT(9,"_pulse_event_handler: ENTER");
my $self = $_[0];
if ($_[1] =~ /Event\s*\'change\'\s*on\s*(\w{4,6})\s/) {
my $chWhere = $1;
if (($chWhere eq "source") or ($chWhere eq "sink")) {
# BugOUT(9,"_pulse_event_handler: device is $chWhere");
my $devices = $self->get_list('action_map','by_name');
open(PACTL, "-|", "/usr/bin/pactl","list","$chWhere"."s","short");# FIXME Use mother:forker::light when its ready!?
while (<PACTL>) {
if ($_ =~ /.*\s*(arctica\.[^\s]*)(.*)\n/) {
my $name = $1;
if ($devices->{$name}) {
if ($2=~ /(IDLE)$/) {
$self->_set_device_pa_state($devices->{$name}{'type'},$devices->{$name}{'idnum'},$name,"I");
} elsif ($2 =~ /(SUSPENDED)$/) {
$self->_set_device_pa_state($devices->{$name}{'type'},$devices->{$name}{'idnum'},$name,"S");
} elsif ($2 =~ /(RUNNING)$/) {
$self->_set_device_pa_state($devices->{$name}{'type'},$devices->{$name}{'idnum'},$name,"R");
}
}
}
}
close(PACTL);
} else {
BugOUT(9,"pulse_event_handler: event we currently don't care about... (Yawn..)");
}
}
BugOUT(9,"_pulse_event_handler: DONE");
return 1;
}
sub force_chk_dev_state {
BugOUT(8,"USE OF/(THE?) FORCE!!!: ENTER");
my $self = $_[0];
# (W)HACKY BUT WORKS FINE FOR NOW
$self->_pulse_event_handler("Event 'change' on source ");
$self->_pulse_event_handler("Event 'change' on sink ");
BugOUT(8,"THE LAST JEDI RETIRES...");
}
sub get_list {
BugOUT(8,"PAVirtualDevices getLIST");
my $self = $_[0];
if ($_[1] eq 'action_map') {
if ($_[2] eq 'by_name') {
return $self->{'pa_vdev'}{'action_map'}{'by_name'};
}
}
}
1;
|
