musicfix

commit 3291397c8b5c4b6d468a305666914d1110e78f3c
parent 639891b3378a9408aa8fa25f605b5945c0e0f337
Author: Lazaros Koromilas <lostd@2f30.org>
Date:   Sun,  4 Mar 2018 17:08:49 +0200

Clear tags and images before adding our own

Diffstat:
M
bin/musicfix
 | 
76
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-

1 file changed, 75 insertions(+), 1 deletion(-)
diff --git a/bin/musicfix b/bin/musicfix
@@ -162,6 +162,75 @@ def flatten_if_one ary
     end
 end
 
+# Remove all tags and images for supported formats
+def rmtags fname
+    TagLib::MPEG::File.open(fname) do |file|
+        tag = file.id3v2_tag
+        tag and tag.frame_list.each do |frame|
+            tag.remove_frame frame
+        end
+        tag = file.id3v1_tag
+        if tag then
+            tag.artist = nil
+            tag.album = nil
+            tag.title = nil
+            tag.track = 0
+            tag.year = 0
+            tag.genre = nil
+            tag.comment = nil
+        end
+        file.save
+    end
+    TagLib::MP4::File.open(fname) do |file|
+        tag = file.tag
+        tag and tag.item_list_map.clear
+        file.save
+    end
+    TagLib::Ogg::Vorbis::File.open(fname) do |file|
+        tag = file.tag
+        tag and tag.field_list_map.each do |field|
+            tag.remove_field field[0]
+        end
+        file.save
+    end
+    TagLib::FLAC::File.open(fname) do |file|
+        tag = file.xiph_comment
+        tag and tag.field_list_map.each do |field|
+            tag.remove_field field[0]
+        end
+        tag = file.id3v2_tag
+        tag and tag.frame_list.each do |frame|
+            tag.remove_frame frame
+        end
+        tag = file.id3v1_tag
+        if tag then
+            tag.artist = nil
+            tag.album = nil
+            tag.title = nil
+            tag.track = 0
+            tag.year = 0
+            tag.genre = nil
+            tag.comment = nil
+        end
+        file.remove_pictures
+        file.save
+    end
+    TagLib::RIFF::AIFF::File.open(fname) do |file|
+        tag = file.tag
+        tag and tag.frame_list.each do |frame|
+            tag.remove_frame frame
+        end
+        file.save
+    end
+    TagLib::RIFF::WAV::File.open(fname) do |file|
+        tag = file.tag
+        tag and tag.frame_list.each do |frame|
+            tag.remove_frame frame
+        end
+        file.save
+    end
+end
+
 # Parse command line
 usage = ''
 usage << "Usage: musicfix [fake] relid\n"
@@ -403,7 +472,8 @@ end
 
 # Loop over the music files and
 #   1. Copy them over with proper names
-#   2. Fix the tags on the new files
+#   2. Clear all tags and stored images
+#   3. Fix the tags on the new files
 tn = 0
 fl.each do |ofname|
     tn = tn.next
@@ -422,8 +492,12 @@ fl.each do |ofname|
     trk['file'] = nfname
     STDERR.puts "Copy track to #{nfname}"
     unless fake
+        # Copy
         FileUtils.makedirs(File.dirname nfname)
         FileUtils.copy(ofname, nfname)
+        # Clear
+        rmtags nfname
+        # Fix
         TagLib::FileRef.open(nfname) do |f|
             f.tag.artist = a
             f.tag.album = b