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#!/usr/bin/perl -w
# launch a gst-launch pipeline for the supplied media file
# use the extension to determine the gst-launch pipeline
# make use of default output sinks
### packages
use File::Basename;
sub extension
{
my $path = shift;
my $ext = (fileparse ($path, '\..*'))[2];
$ext =~ s/^\.//;
return $ext;
}
sub read_config
{
my $config_file = "~/.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{AUDIOSINK}))
{
print "Please add an AUDIOSINK 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";
$cfg{AUDIOSINK} = "osssink";
$cfg{VIDEOSINK} = "xvideosink";
$cfg{CVS_PATH} = "~/gst/cvs";
}
# check for gst-launch in cvs dir
$GST_LAUNCH=$cfg{CVS_PATH}."/gstreamer/tools/gst-launch";
if (! -x $GST_LAUNCH)
{
# let's hope it's installed ...
$GST_LAUNCH="gst-launch";
}
}
### main
read_config ();
my %pipes = (
"mp3", "mad ! $cfg{AUDIOSINK}",
"ogg", "vorbisdec ! $cfg{AUDIOSINK}",
"mpg", "mpegdemux video_00! { queue ! mpeg2dec ! $cfg{VIDEOSINK} } audio_00! { queue ! mad ! $cfg{AUDIOSINK} }",
"avi", "avidemux video_00! { queue ! windec ! $cfg{VIDEOSINK} }",
"vob", "mpegdemux video_00! { queue ! mpeg2dec ! $cfg{VIDEOSINK} }",
);
my $file = shift @ARGV or die "Please give a file name !";
my $ext = extension ($file);
if ($pipe = $pipes{$ext})
{
$command = "$GST_LAUNCH filesrc location=\"$file\" ! $pipe";
print "Running $command\n";
system ($command);
}
else
{
print "No suitable pipe found for extension $ext.\n";
}
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