mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-30 13:41:48 +00:00
f9c2dd0f44
Original commit message from CVS: Use stereo2mono plugin for scopes which require mono input. It would be better if esdmon and osssrc were able to give mono output: they need caps negotiation.
79 lines
1.7 KiB
Perl
Executable file
79 lines
1.7 KiB
Perl
Executable file
#!/usr/bin/perl -w
|
|
|
|
# launch a gst-launch pipeline to display a visualisation of the
|
|
# input audio.
|
|
# make use of default input srcs.
|
|
# visualisation plugin is specified on command line.
|
|
|
|
### packages
|
|
|
|
use File::Basename;
|
|
|
|
|
|
my (%pipes, %cfg);
|
|
|
|
sub read_config
|
|
{
|
|
my $config_file = `echo -n ~`."/.gst";
|
|
if (-e $config_file)
|
|
{
|
|
open CONFIG, $config_file;
|
|
while (<CONFIG>)
|
|
{
|
|
chomp;
|
|
s/#.*//;
|
|
s/\s+$//;
|
|
next unless length;
|
|
my ($var, $value) = split (/\s*=\s*/, $_, 2);
|
|
$cfg{$var} = $value;
|
|
}
|
|
if (!($cfg{AUDIOSRC}))
|
|
{
|
|
print "Please add an AUDIOSRC to $config_file !\n";
|
|
}
|
|
if (!($cfg{VIDEOSINK}))
|
|
{
|
|
print "Please add a VIDEOSINK to $config_file !\n";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
print "No configuration file $config_file found. You might want to create one.\n";
|
|
}
|
|
if (!defined $cfg{AUDIOSRC}) { $cfg{AUDIOSRC} = "esdmon"; }
|
|
if (!defined $cfg{VIDEOSINK}) { $cfg{VIDEOSINK} = "sdlvideosink"; }
|
|
if (!defined $cfg{CVS_PATH}) { $cfg{CVS_PATH} = `echo -n ~`."/gst/cvs"; }
|
|
}
|
|
|
|
sub visualise(@)
|
|
{
|
|
my $vis = $cfg{VISUALIZER};
|
|
$vis = shift() if ($#_ != -1);
|
|
$vis = "goom" unless $vis;
|
|
|
|
my $pipe;
|
|
$pipe = $vis unless $pipe = $pipes{$vis};
|
|
|
|
$command = "gst-launch $cfg{AUDIOSRC} ! $pipe ! { queue ! colorspace ! $cfg{VIDEOSINK} }";
|
|
print "Running $command\n";
|
|
system ("PATH=\$PATH:".$cfg{CVS_PATH}."/gstreamer/tools $command");
|
|
}
|
|
|
|
### main
|
|
|
|
read_config ();
|
|
|
|
%pipes = (
|
|
"goom", "stereo2mono ! goom",
|
|
"chart", "stereo2mono ! chart",
|
|
"synaesthesia", "synaesthesia",
|
|
"monoscope", "stereo2mono ! monoscope"
|
|
);
|
|
|
|
if ($#ARGV > 0) {
|
|
print STDERR "Usage: gst-visualise [visualiser]\n";
|
|
exit 1;
|
|
}
|
|
|
|
visualise(@ARGV);
|
|
|