From c4e1a7852727b0584df5b7da28a86a37891ce64b Mon Sep 17 00:00:00 2001
From: Hans Dijkema <hans@dijkewijk.nl>
Date: Thu, 25 Jun 2026 00:01:48 +0200
Subject: [PATCH] Added picture kind constants.

---
 libflac-ffi.rkt |  2 +-
 taglib.rkt      | 81 ++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 81 insertions(+), 2 deletions(-)

diff --git a/libflac-ffi.rkt b/libflac-ffi.rkt
index 66207a6..16cc210 100644
--- a/libflac-ffi.rkt
+++ b/libflac-ffi.rkt
@@ -766,7 +766,7 @@
     (let ((r (FLAC__stream_encoder_init_file enc file #f #f)))
       (set! flac-file file)
       (unless (= r FLAC__StreamEncoderInitStatus-ok)
-        (error 'flac-encoder-init "FLAC encoder init failed with status ~a" r))
+        (error 'flac-encoder-init "FLAC encoder init failed with status ~a, state = ~a" r (FLAC__stream_encoder_get_state enc)))
       #t))
 
   (define (write buffer size buf-info)
diff --git a/taglib.rkt b/taglib.rkt
index 3f9ec79..195afe1 100644
--- a/taglib.rkt
+++ b/taglib.rkt
@@ -71,8 +71,87 @@
            id3-picture-kind
            id3-picture-size
            id3-picture-bytes
-           id3-picture-description)
+           id3-picture-description
 
+           PIC-KIND-OTHER
+           PIC-KIND-PNG-ICON32x32
+           PIC-KIND-OTHER-ICON
+           PIC-KIND-COVER
+           PIC-KIND-COVER-FRONT
+           PIC-KIND-COVER-BACK
+           PIC-KIND-LEAFLET
+           PIC-KIND-MEDIA
+           PIC-KIND-LEAD-SOLOIST
+           PIC-KIND-ARTIST
+           PIC-KIND-CONDUCTOR
+           PIC-KIND-BAND
+           PIC-KIND-ORCHESTRA
+           PIC-KIND-COMPOSER
+           PIC-KIND-LYRICIST
+           PIC-KIND-SONG-WRITER
+           PIC-KIND-TEXT-WRITER
+           PIC-KIND-RECORDING-LOCATION
+           PIC-KIND-DURING-RECORDING
+           PIC-KIND-DURING-PERFORMANCE
+           PIC-KIND-SCREEN-CAPTURE
+           PIC-KIND-BRIGHT-COLORED-FISH
+           PIC-KIND-ILLUSTRATION
+           PIC-KIND-BAND-LOGO
+           PIC-KIND-PUBLISHER-LOGO
+           )
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Picture kinds
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;$00: Other
+;$01: 32x32 pixels 'file icon' (PNG only)
+;$02: Other file icon
+;$03: Cover (front) (The most common standard for album art)
+;$04: Cover (back)
+;$05: Leaflet page
+;$06: Media (e.g., label side of CD)
+;$07: Lead artist/soloist
+;$08: Artist/performer
+;$09: Conductor
+;$0A: Band/Orchestra
+;$0B: Composer
+;$0C: Lyricist/text writer
+;$0D: Recording location
+;$0E: During recording
+;$0F: During performance
+;$10: Movie/video screen capture
+;$11: A bright colored fish
+;$12: Illustration
+;$13: Band/artist logotype
+;$14: Publisher/Studio logotype
+
+  (define PIC-KIND-OTHER 0)
+  (define PIC-KIND-PNG-ICON32x32 1)
+  (define PIC-KIND-OTHER-ICON 2)
+  (define PIC-KIND-COVER 3)
+  (define PIC-KIND-COVER-FRONT 3)
+  (define PIC-KIND-COVER-BACK 4)
+  (define PIC-KIND-LEAFLET 5)
+  (define PIC-KIND-MEDIA 6)
+  (define PIC-KIND-LEAD-SOLOIST 7)
+  (define PIC-KIND-ARTIST 8)
+  (define PIC-KIND-CONDUCTOR 9)
+  (define PIC-KIND-BAND 10)
+  (define PIC-KIND-ORCHESTRA 10)
+  (define PIC-KIND-COMPOSER 11)
+  (define PIC-KIND-LYRICIST 12)
+  (define PIC-KIND-SONG-WRITER 12)
+  (define PIC-KIND-TEXT-WRITER 12)
+  (define PIC-KIND-RECORDING-LOCATION 13)
+  (define PIC-KIND-DURING-RECORDING 14)
+  (define PIC-KIND-DURING-PERFORMANCE 15)
+  (define PIC-KIND-SCREEN-CAPTURE 16)
+  (define PIC-KIND-BRIGHT-COLORED-FISH 17)
+  (define PIC-KIND-ILLUSTRATION 18)
+  (define PIC-KIND-BAND-LOGO 19)
+  (define PIC-KIND-PUBLISHER-LOGO 20)
+  
+  
   (define-struct id3-tag-struct (handle))
   (define-struct id3-picture (mimetype kind size bytes description))