summaryrefslogtreecommitdiffstats
path: root/abs/extra/myth2ipod/iPod.pm
diff options
context:
space:
mode:
Diffstat (limited to 'abs/extra/myth2ipod/iPod.pm')
-rwxr-xr-xabs/extra/myth2ipod/iPod.pm184
1 files changed, 184 insertions, 0 deletions
diff --git a/abs/extra/myth2ipod/iPod.pm b/abs/extra/myth2ipod/iPod.pm
new file mode 100755
index 0000000..24eae99
--- /dev/null
+++ b/abs/extra/myth2ipod/iPod.pm
@@ -0,0 +1,184 @@
+#
+# $Date: 2006-01-18 00:15:31 -0800 (Wed, 18 Jan 2006) $
+# $Revision: 226 $
+# $Author: xris $
+#
+# export::ffmpeg::iPod
+#
+
+package export::ffmpeg::iPod;
+ use base 'export::ffmpeg';
+
+# Load the myth and nuv utilities, and make sure we're connected to the database
+ use nuv_export::shared_utils;
+ use nuv_export::cli;
+ use nuv_export::ui;
+ use mythtv::db;
+ use mythtv::recordings;
+
+# Load the following extra parameters from the commandline
+ add_arg('quantisation|q=i', 'Quantisation');
+ add_arg('a_bitrate|a=i', 'Audio bitrate');
+ add_arg('v_bitrate|v=i', 'Video bitrate');
+ add_arg('multipass!', 'Enably two-pass encoding.');
+
+ sub new {
+ my $class = shift;
+ my $self = {
+ 'cli' => qr/\bipod\b/i,
+ 'name' => 'Export to iPod',
+ 'enabled' => 1,
+ 'errors' => [],
+ 'defaults' => {},
+ };
+ bless($self, $class);
+
+ # Initialize the default parameters
+ $self->load_defaults();
+
+ # Verify any commandline or config file options
+ die "Audio bitrate must be > 0\n" unless (!defined $self->val('a_bitrate') || $self->{'a_bitrate'} > 0);
+ die "Video bitrate must be > 0\n" unless (!defined $self->val('v_bitrate') || $self->{'v_bitrate'} > 0);
+
+ # VBR, multipass, etc.
+ if ($self->val('multipass')) {
+ $self->{'vbr'} = 0;
+ }
+ elsif ($self->val('quantisation')) {
+ die "Quantisation must be a number between 1 and 31 (lower means better quality).\n" if ($self->{'quantisation'} < 1 || $self->{'quantisation'} > 31);
+ $self->{'vbr'} = 1;
+ }
+
+ # Initialize and check for ffmpeg
+ $self->init_ffmpeg();
+
+ # Can we even encode ipod?
+ # if (!$self->can_encode('mov')) {
+ # push @{$self->{'errors'}}, "Your ffmpeg installation doesn't support encoding to mov file formats.";
+ # }
+ if (!$self->can_encode('xvid')) {
+ push @{$self->{'errors'}}, "Your ffmpeg installation doesn't support encoding to xvid video.";
+ }
+ if (!$self->can_encode('aac')) {
+ push @{$self->{'errors'}}, "Your ffmpeg installation doesn't support encoding to aac audio.";
+ }
+ # Any errors? disable this function
+ $self->{'enabled'} = 0 if ($self->{'errors'} && @{$self->{'errors'}} > 0);
+ # Return
+ return $self;
+ }
+
+# Load default settings
+ sub load_defaults {
+ my $self = shift;
+ # Load the parent module's settings
+ $self->SUPER::load_defaults();
+ # Default bitrates
+ $self->{'defaults'}{'v_bitrate'} = 384;
+ $self->{'defaults'}{'a_bitrate'} = 64;
+ }
+
+# Gather settings from the user
+ sub gather_settings {
+ my $self = shift;
+ # Load the parent module's settings
+ $self->SUPER::gather_settings();
+ # Audio Bitrate
+ $self->{'a_bitrate'} = query_text('Audio bitrate?',
+ 'int',
+ $self->val('a_bitrate'));
+ # VBR options
+ if (!$is_cli) {
+ $self->{'vbr'} = query_text('Variable bitrate video?',
+ 'yesno',
+ $self->val('vbr'));
+ if ($self->{'vbr'}) {
+ $self->{'multipass'} = query_text('Multi-pass (slower, but better quality)?',
+ 'yesno',
+ $self->val('multipass'));
+ if (!$self->{'multipass'}) {
+ while (1) {
+ my $quantisation = query_text('VBR quality/quantisation (1-31)?',
+ 'float',
+ $self->val('quantisation'));
+ if ($quantisation < 1) {
+ print "Too low; please choose a number between 1 and 31.\n";
+ }
+ elsif ($quantisation > 31) {
+ print "Too high; please choose a number between 1 and 31\n";
+ }
+ else {
+ $self->{'quantisation'} = $quantisation;
+ last;
+ }
+ }
+ }
+ } else {
+ $self->{'multipass'} = 0;
+ }
+ # Ask the user what video bitrate he/she wants
+ $self->{'v_bitrate'} = query_text('Video bitrate?',
+ 'int',
+ $self->val('v_bitrate'));
+ }
+ }
+
+ sub export {
+ my $self = shift;
+ my $episode = shift;
+ # Force to 4:3 aspect ratio
+ $self->{'out_aspect'} = 1.3333;
+ $self->{'aspect_stretched'} = 1;
+ # PAL or NTSC?
+ my $standard = ($episode->{'finfo'}{'fps'} =~ /^2(?:5|4\.9)/) ? 'PAL' : 'NTSC';
+ $self->{'width'} = 320;
+ $self->{'height'} = ($standard eq 'PAL') ? '288' : '240';
+ $self->{'out_fps'} = ($standard eq 'PAL') ? 25 : 29.97;
+ # Embed the title
+ my $safe_title = shell_escape($episode->{'show_name'}.' - '.$episode->{'title'});
+ # Dual pass?
+ if ($self->{'multipass'}) {
+ # Build the common ffmpeg string
+ my $ffmpeg_xtra = ' -b ' . $self->{'v_bitrate'}
+ .' -bufsize 65535'
+ .' -vcodec xvid -acodec aac '
+ .' -ab ' . $self->{'a_bitrate'}
+ ." -f mp4 -title $safe_title";
+ # Add the temporary file to the list
+ push @tmpfiles, "/tmp/xvid.$$.log";
+ # Back up the path and use /dev/null for the first pass
+ my $path_bak = $self->{'path'};
+ $self->{'path'} = '/dev/null';
+ # Build the ffmpeg string
+ print "First pass...\n";
+ $self->{'ffmpeg_xtra'} = " -pass 1 -passlogfile '/tmp/divx.$$.log'"
+ .$ffmpeg_xtra;
+ $self->SUPER::export($episode, '');
+ # Restore the path
+ $self->{'path'} = $path_bak;
+ # Second Pass
+ print "Final pass...\n";
+ $self->{'ffmpeg_xtra'} = " -pass 2 -passlogfile '/tmp/divx.$$.log'"
+ .$ffmpeg_xtra;
+ }
+ # Single Pass
+ else {
+ $self->{'ffmpeg_xtra'} = ' -b ' . $self->{'v_bitrate'}
+ .(($self->{'vbr'})
+ ? ' -qmin '.$self->{'quantisation'}
+ .' -qmax 31 -minrate 32'
+ .' -maxrate '.(2*$self->{'v_bitrate'})
+ .' -bt 32'
+ : '')
+ .' -vcodec xvid -acodec aac '
+ .' -ab ' . $self->{'a_bitrate'}
+ ." -f mp4 -title $safe_title";
+ }
+ # Execute the (final pass) encode
+ $self->SUPER::export($episode, '.mp4');
+ }
+
+1; #return true
+
+# vim:ts=4:sw=4:ai:et:si:sts=4
+