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Diffstat (limited to 'abs/core-testing/mplayer-wrapper/mplayer-wrapper.pl')
-rwxr-xr-x | abs/core-testing/mplayer-wrapper/mplayer-wrapper.pl | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/abs/core-testing/mplayer-wrapper/mplayer-wrapper.pl b/abs/core-testing/mplayer-wrapper/mplayer-wrapper.pl new file mode 100755 index 0000000..9977741 --- /dev/null +++ b/abs/core-testing/mplayer-wrapper/mplayer-wrapper.pl @@ -0,0 +1,113 @@ +#!/usr/bin/perl + +use Shell; +use strict; +use POSIX qw(floor); + +# Written by Bob Igo from the MythTV Store at http://MythiC.TV +# including some original code and contributions from Nick C. +# and graysky. +# Email: bob@stormlogic.com +# +# If you run into problems with this script, please send me email + +# PURPOSE: +# -------------------------- +# This is a wrapper script that tries to find the best parameters +# for calling an underlying video player. The outer layer determines +# the best playback parameters, while the inner layer picks the best +# player to call. + +# RATIONALE: +# -------------------------- +# Default video playback options are not optimal on all hardware or +# for all video types. In addition, common video players do not +# offer to bookmark video so that you can resume where you left off. +# Both of these problems can be addressed by this wrapper. + +# PARAMETERS: +# -------------------------- +# The same parameters you'd use for mplayer, some of which may be +# translated automatically for use with smplayer. + +# FILES: +# -------------------------- +# $mediafile, the file to play + +sub run () { + my $mediafile = @ARGV[$#ARGV]; + my $player = &pick_player(); + + my $player_parameters = join(' ', + &translate_parameters($player,@ARGV[0..$#ARGV-1]), + &dynamic_parameters($mediafile)); + &player($player,$player_parameters,$mediafile); +} + +&run(); + +# Translates any parameters into ones that will be compatible with the given player. +sub translate_parameters() { + my($player,@parameters)=@_; + + if ($player eq "smplayer") { + # Stupidly, smplayer uses a different set of command-line parameters than generic + # mplayer, so we need to translate mplayer-centric ones into the few that are + # available in smplayer-ese. + my %smplayer_parameter_translation_array = ( + "-fs" => "-fullscreen", + "-zoom" => " " + ); + + sub translate() { + my($flag)=@_; + return $smplayer_parameter_translation_array{$flag}; + } + + return map(&translate($_), @parameters); + } else { + # currently, all other players used by this wrapper work with mplayer parameters + return @parameters; + } +} + +# Returns an array of dynamic parameters based on the media type, +# the presence of special playback decoding hardware, and the +# general capability of the CPU. +sub dynamic_parameters () { + my($mediafile)=@_; + return(); # ??? empty for now; further development required +} + +# Find the best player for use on this system. The script prefers smplayer, +# which has built-in bookmarking, falling back to mplayer-resumer.pl, which +# implements bookmarking as an mplayer wrapper, if smplayer cannot be found. +# Finally, if no bookmarking players can be found, a barebones mplayer is used. +sub pick_player () { + my @possible_players = ("smplayer", "mplayer-resumer.pl", "mplayer"); + my $command; + my $candidate_player; + foreach (@possible_players) { + $candidate_player = $_; + $command = "which $candidate_player |"; + open(SHELL, $command); + if (<SHELL>) { + #print "player $candidate_player : $_\n"; + return $candidate_player; + } + close(SHELL); + } +} + +# Calls player +sub player () { + my($player,$parameters,$mediafile)=@_; + my $command = "$player $parameters \"$mediafile\" 2>&1 2>/dev/null |"; + + #print "DEBUG: command is:\n$command\n"; + open(SHELL, $command); + while (<SHELL>) { + print $_; + } + close(SHELL); +} |