gstreamer/tools/gst-launch-ext-m.m

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#!/usr/bin/perl -w
use strict;
# 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
my (%pipes, %cfg);
sub extension
{
my $path = shift;
my $ext;
# get only the bit after the last period. We don't deal with
# .tar.gz extensions do we ?
if ($path =~ /\./)
{
$ext = $path;
$ext =~ s/^.*\.//;
}
else { $ext = ""; }
return $ext;
}
sub read_config
{
my $command = shift;
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";
print "This is not an error, just a friendly reminder... Check the man page.\n\n";
}
if (!defined $cfg{AUDIOSINK}) { $cfg{AUDIOSINK} = "osssink"; }
if (!defined $cfg{VIDEOSINK}) { $cfg{VIDEOSINK} = "ffcolorspace ! xvimagesink"; }
if (!defined $cfg{CVS_PATH}) { $cfg{CVS_PATH} = `echo -n ~`."/gst/cvs"; }
if ($command =~ /(.+)\/gst-launch-ext-@GST_MAJORMINOR@$/)
{ $cfg{COMMAND_PATH} = "$1"; }
else
{ $cfg{COMMAND_PATH} = ""; }
}
sub playfile($$)
{
my ($file, $ext) = @_;
my $command;
my $pipe;
my $path = "\$PATH:".$cfg{CVS_PATH}."/gstreamer/tools";
if ($cfg{COMMAND_PATH} ne "") {
$path = $cfg{COMMAND_PATH}.":$path";
}
$ext = lc $ext;
if ($cfg{VISUALIZER} && ($pipe = $pipes{"vis." . $ext}))
{
$command = "gst-launch-@GST_MAJORMINOR@ filesrc location=\"$file\" ! $pipe";
print "Running command-line\n$command\n\n";
system ("PATH=$path $command");
}
elsif ($pipe = $pipes{$ext})
{
$command = "gst-launch-@GST_MAJORMINOR@ filesrc location=\"$file\" ! $pipe";
print "Running command-line\n$command\n\n";
system ("PATH=$path $command");
}
else
{
print "No suitable pipe found for extension $ext.\n";
}
}
### main
read_config ($0);
%pipes = (
"ac3", "a52dec ! $cfg{AUDIOSINK}",
"au", "auparse ! $cfg{AUDIOSINK}",
"avi", "avidemux name=demux ! { queue ! spider ! $cfg{VIDEOSINK} } { demux. ! queue ! spider ! $cfg{AUDIOSINK} }",
"asf", "asfdemux name=demux ! { queue ! spider ! $cfg{VIDEOSINK} } { demux. ! queue ! spider ! $cfg{AUDIOSINK} }",
"flac", "flacdec ! $cfg{AUDIOSINK}",
"fli", "flxdec ! colorspace ! $cfg{VIDEOSINK}",
"m1v", "mpegdemux ! { queue ! mpeg2dec ! $cfg{VIDEOSINK} }",
"m2v", "mpegdemux ! { queue ! mpeg2dec ! $cfg{VIDEOSINK} }",
"m4a", "qtdemux .audio_00 ! { queue ! faad ! $cfg{AUDIOSINK} }",
"mod", "modplug ! $cfg{AUDIOSINK}",
"mp2", "mad ! $cfg{AUDIOSINK}",
"mp3", "mad ! $cfg{AUDIOSINK}",
"mpeg", "mpegdemux name=demux ! { queue ! mpeg2dec ! $cfg{VIDEOSINK} } { demux. ! queue ! mad ! $cfg{AUDIOSINK} }",
"mpg", "mpegdemux name=demux ! { queue ! mpeg2dec ! $cfg{VIDEOSINK} } { demux. ! queue ! mad ! $cfg{AUDIOSINK} }",
"ogg", "oggdemux ! vorbisdec ! audioconvert ! $cfg{AUDIOSINK}",
"sid", "siddec ! $cfg{AUDIOSINK}",
"swf", "swfdec name=swfdec ! { queue ! colorspace ! $cfg{VIDEOSINK} } { swfdec. ! queue ! $cfg{AUDIOSINK} }",
"vob", "mpegdemux name=demux ! { queue ! mpeg2dec ! $cfg{VIDEOSINK} } { demux. ! queue ! a52dec ! $cfg{AUDIOSINK} }",
"wav", "wavparse ! $cfg{AUDIOSINK}",
"wm", "asfdemux name=demux ! { queue ! spider ! $cfg{VIDEOSINK} } { demux. ! queue ! spider ! $cfg{AUDIOSINK} }",
### a wma file can use wmav1 or wmav2 codec so we must use spider to decode it
"wma", "asfdemux name=demux ! spider ! $cfg{AUDIOSINK}",
"wmv", "asfdemux name=demux ! { queue ! spider ! $cfg{VIDEOSINK} } { demux. ! queue ! spider ! $cfg{AUDIOSINK} }",
"mkv", "matroskademux name=demux ! { queue ! spider ! $cfg{VIDEOSINK} } { demux. ! queue ! spider ! $cfg{AUDIOSINK} }",
"mka", "matroskademux ! spider ! $cfg{AUDIOSINK}",
"mov", "qtdemux name=demux { .video_00 ! queue ! spider ! $cfg{VIDEOSINK} } { demux. ! queue ! spider ! $cfg{AUDIOSINK} }",
);
if ($cfg{VISUALIZER}) {
%pipes = (
%pipes,
"vis.mp3", "mad ! tee name=tee silent=true ! queue leaky=1 ! { $cfg{VISUALIZER} ! colorspace ! $cfg{VIDEOSINK} } tee. ! $cfg{AUDIOSINK}",
"vis.ogg", "vorbisdec ! tee name=tee silent=true ! queue leaky=1 ! { $cfg{VISUALIZER} ! colorspace ! $cfg{VIDEOSINK} } tee. ! $cfg{AUDIOSINK}",
"vis.wav", "wavparse ! tee name=tee silent=true ! queue leaky=1 ! { $cfg{VISUALIZER} ! colorspace ! $cfg{VIDEOSINK} } tee. ! $cfg{AUDIOSINK}",
);
}
if ($#ARGV == -1) {
print STDERR "Usage: gst-launch-ext-@GST_MAJORMINOR@ filename[s]\n";
exit 1;
}
my $file;
while ($file = shift @ARGV) {
my $ext = extension ($file);
if (!$ext) {
print "file $file doesn't have an extension !\n";
exit;
}
if ($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);
}
}