X-Git-Url: http://git.shiar.net/sheet.git/blobdiff_plain/d8fb15b3d9a345d0c936e036b47a7a0708ffbb74..refs/heads/master:/codec-audio.inc.pl

diff --git a/codec-audio.inc.pl b/codec-audio.inc.pl
index 5bd336d..330f3b5 100644
--- a/codec-audio.inc.pl
+++ b/codec-audio.inc.pl
@@ -1,25 +1,39 @@
 use utf8;
 +{
+intro => 'Comparison of audio compression formats.',
+keywords => [qw( audio sound codec encoder encoding decode compression file format type mime )],
 codec => {
 	mp3 => {
 		name => '<abbr title="MPEG-1 Audio Layer III">MP3</abbr>',
 		available => 1991,
+		generation => 0,
 	},
 	vorbis => {
 		name => 'Vorbis',
 		available => 2000,
+		generation => 1,
 	},
 	opus => {
 		name => 'Opus',
 		available => 2012,
+		generation => 1,
 	},
 	aac => {
 		name => '<abbr title="Advanced Audio Coding">AAC</abbr>',
 		available => 1997,
+		generation => 1,
 	},
 	atrac => {
 		name => '<abbr title="Adaptive Transform Acoustic Coding">ATRAC</abbr>',
 		available => 1992,
+		generation => 0,
+	},
+	mpc => {
+		name => 'Musepack',
+		abbr => 'MPC',
+		mime => 'audio/musepack',
+		available => 1997,
+		generation => 1,
 	},
 },
 feature => {
@@ -90,6 +104,20 @@ feature => {
 		score => {
 			mp3 => [4, 8],
 			opus => [4, 6],
+			mpc => [5, 0],
+		},
+	},
+	steaming => {
+		name => 'Streamable',
+		score => {
+			mpc => 'y',
+		},
+	},
+	seeking => {
+		name => 'Fast seeking',
+		score => {
+			mpc => [5, undef, 'indexed'],
+			opus => [3, undef, 'bisection seeking (usually 1 physical seek required if implemented correctly)'],
 		},
 	},
 	royalties => {
@@ -98,6 +126,7 @@ feature => {
 			vorbis => 5,
 			opus => [4, undef, 'open and free design'],
 			atrac => [2, undef, 'proprietary, but the original patents have expired'],
+			mpc => [5, undef, 'open format, bsd licensed implementation'],
 		},
 	},
 	support => {