From 4599cf37ad4ae46417dfb802760ebdfee58f156e Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Mon, 16 May 2022 01:30:24 +0200
Subject: [PATCH] codec: some random additional image and audio features

AFAICT.
---
 codec-audio.inc.pl | 22 ++++++++++++++
 codec-image.inc.pl | 74 +++++++++++++++++++++++++++++++++++++---------
 2 files changed, 82 insertions(+), 14 deletions(-)

diff --git a/codec-audio.inc.pl b/codec-audio.inc.pl
index 4239b2f..5844ea0 100644
--- a/codec-audio.inc.pl
+++ b/codec-audio.inc.pl
@@ -27,6 +27,13 @@ codec => {
 		available => 1992,
 		generation => 0,
 	},
+	mpc => {
+		name => 'Musepack',
+		abbr => 'MPC',
+		mime => 'audio/musepack',
+		available => 1997,
+		generation => 1,
+	},
 },
 feature => {
 	default => {
@@ -96,6 +103,20 @@ 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 => {
@@ -104,6 +125,7 @@ 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 => {
diff --git a/codec-image.inc.pl b/codec-image.inc.pl
index 21ce9a1..f689142 100644
--- a/codec-image.inc.pl
+++ b/codec-image.inc.pl
@@ -50,7 +50,7 @@ codec => {
 },
 feature => {
 	default => {
-		children => [qw( quality_photo quality_art speed limits features royalties overhead support )],
+		children => [qw( quality_photo quality_art speed limits features royalties overhead support web )],
 	},
 	quality_photo => {
 		name => 'compression (photo)',
@@ -65,11 +65,26 @@ feature => {
 			avif => 5,
 			jxl  => 5,
 		},
-		children => [qw( quality_photo_1 quality_photo_2 quality_photo_3 quality_photo_ll )],
+		children => [qw( quality_photo_ll quality_photo_3 quality_photo_2 quality_photo_1 quality_thumbs )],
 	},
-	quality_photo_1 => {
+	quality_thumbs => {
 		parent => 'quality_photo',
 		name => 'thumbnails',
+		score => {
+			jpeg => 1,
+			pnm  => 1,
+			gif  => 2,
+			png  => 3,
+			jp2k => 1,
+			webp => 2,
+			heic => 4,
+			avif => 4,
+			jxl  => 3,
+		},
+	},
+	quality_photo_1 => {
+		parent => 'quality_photo',
+		name => 'low fidelity',
 		score => {
 			jpeg => 2,
 			pnm  => 1,
@@ -123,7 +138,7 @@ feature => {
 			jp2k => 4,
 			webp => 3,
 			heic => 3,
-			avif => 3,
+			avif => 2,
 			jxl  => 5,
 		},
 	},
@@ -344,7 +359,7 @@ feature => {
 			avif => 4,
 			jxl  => 5,
 		},
-		children => [qw( animation progressive alpha depthmap overlays authoring reencode compat_jpeg )],
+		children => [qw( animation progressive alpha depthmap overlays vector authoring reencode compat_jpeg )],
 	},
 	animation => {
 		parent => 'features',
@@ -376,6 +391,21 @@ feature => {
 			jxl  => 5,
 		},
 	},
+	vector => {
+		parent => 'features',
+		name => 'vector drawing',
+		score => {
+			jpeg => 'n',
+			pnm => 'n',
+			gif => 'n',
+			png => 'n',
+			jp2k => 'n',
+			webp => 'n',
+			heic => 'n',
+			avif => 'n',
+			jxl => [2, undef, 'splines'],
+		},
+	},
 	alpha => {
 		parent => 'features',
 		name => 'alpha transparency',
@@ -481,17 +511,33 @@ feature => {
 		},
 		children => [],
 	},
+	web => {
+		name => 'browser support',
+		score => {
+			jpeg => [5, undef, 'ubiquitous since first inline images (1993)'],
+			pnm  => [1, undef, 'rarely by (unix) systems'],
+			xbm  => [2, undef, 'common before 200X'],
+			gif  => [5, undef, 'predates the web, but unrestricted since 2004'],
+			png  => [5, undef, 'problematic prior to IE7, currently ubiquitous'],
+			jp2k => [2, undef, 'just Safari'],
+			webp => [4, undef, 'widespread since 2020'],
+			heic => [1, undef, 'no browser support'],
+			avif => [3, undef, 'significant since 2021 (Safari 2023, no Edge yet)'],
+			jxl  => [2, undef, 'experimental, blocked by chrome'],
+		},
+	},
 	support => {
+		name => 'adoption',
 		score => {
-			jpeg => 5,
-			pnm  => [2, undef],
-			gif  => 5,
-			png  => 5,
-			jp2k => [2, undef, 'Apple only'],
-			webp => [4, undef, 'modern browsers'],
-			heic => [1, undef, 'stored by latest cameras, no browser support'],
-			avif => [3, undef, 'all modern browsers except Safari and Edge'],
-			jxl  => [2, undef, 'upcoming in most browsers'],
+			jpeg => [5, undef, 'standard photography'],
+			pnm  => [2, undef, 'uncomplicated bitmap interchange'],
+			gif  => [4, undef, 'declining due to limitations'],
+			png  => [5, undef, 'standard illustrations'],
+			jp2k => [3, undef, 'limited beyond Apple'],
+			webp => [4, undef, 'mostly online'],
+			heic => [2, undef, 'stored by latest cameras, interchange unlikely'],
+			avif => [3, undef, 'upcoming'],
+			jxl  => [2, undef, 'ongoing'],
 		},
 	},
 	overhead => {
-- 
2.30.0