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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;
my (%pipes, %cfg);
sub extension
{
my $path = shift;
my $ext = (fileparse ($path, '\..*?'))[2];
$ext =~ s/^\.//;
return $ext;
}
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{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";
}
if (!defined $cfg{AUDIOSINK}) { $cfg{AUDIOSINK} = "osssink"; }
if (!defined $cfg{VIDEOSINK}) { $cfg{VIDEOSINK} = "xvideosink"; }
if (!defined $cfg{CVS_PATH}) { $cfg{CVS_PATH} = `echo -n ~`."/gst/cvs"; }
}
sub playfile($$)
{
my ($file, $ext) = @_;
my $pipe;
if ($cfg{VISUALIZER} && ($pipe = $pipes{"vis." . $ext}))
{
$command = "gst-launch filesrc location=\"$file\" ! $pipe";
print "Running $command\n";
system ("PATH=\$PATH:".$cfg{CVS_PATH}."/gstreamer/tools $command");
}
elsif ($pipe = $pipes{$ext})
{
$command = "gst-launch filesrc location=\"$file\" ! $pipe";
print "Running $command\n";
system ("PATH=\$PATH:".$cfg{CVS_PATH}."/gstreamer/tools $command");
}
else
{
print "No suitable pipe found for extension $ext.\n";
}
}
### main
read_config ();
### "ac3", "ac3parse ! $cfg{AUDIOSINK}",
%pipes = (
"au", "auparse ! $cfg{AUDIOSINK}",
"avi", "avidemux video_%02d! { queue ! windec ! $cfg{VIDEOSINK} } avidemux0.audio_%02d! { queue ! mad ! $cfg{AUDIOSINK} }",
"fli", "flxdec ! colorspace ! $cfg{VIDEOSINK}",
"mod", "modplug ! $cfg{AUDIOSINK}",
"mp3", "mad ! $cfg{AUDIOSINK}",
"mpg", "mpegdemux video_%02d! { queue ! mpeg2dec ! $cfg{VIDEOSINK} } mpegdemux0.audio_%02d! { queue ! mad ! $cfg{AUDIOSINK} }",
"ogg", "vorbisdec ! $cfg{AUDIOSINK}",
"sid", "siddec ! $cfg{AUDIOSINK}",
"vob", "mpegdemux name=foo video_%02d! { queue ! mpeg2dec ! $cfg{VIDEOSINK} } foo.audio_%02d! { queue ! a52dec ! $cfg{AUDIOSINK} }",
);
if ($cfg{VISUALIZER}) {
%pipes = (
%pipes,
"vis.mp3", "mad ! tee silent=true 'tee1.src0!' queue leaky=1 ! { $cfg{VISUALIZER} ! colorspace ! $cfg{VIDEOSINK} } 'tee1.src1!' $cfg{AUDIOSINK}",
"vis.ogg", "vorbisdec ! tee silent=true 'tee1.src0!' queue leaky=1 ! { $cfg{VISUALIZER} ! colorspace ! $cfg{VIDEOSINK} } 'tee1.src1!' $cfg{AUDIOSINK}",
"vis.wav", "wavparse ! tee silent=true 'tee1.src0!' queue leaky=1 ! { $cfg{VISUALIZER} ! colorspace ! $cfg{VIDEOSINK} } 'tee1.src1!' $cfg{AUDIOSINK}",
);
}
if ($#ARGV == -1) {
print STDERR "Usage: gst-launch-ext filename[s]\n";
exit 1;
}
my $file;
while ($file = shift @ARGV) {
my $ext = extension ($file);
if ($ext eq 'm3u')
{
open (PLAYLIST, '<', $file);
my $file2;
while ($file2 = <PLAYLIST>) {
chomp $file2;
my $ext2 = extension ($file2);
playfile($file2, $ext2);
}
close PLAYLIST;
} else {
playfile($file, $ext);
}
}
|
