Differences

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--- howto:ffmpeg [2021/11/17 01:13] – andi
+++ howto:ffmpeg [2023/06/11 00:58] (current) – [audio channel mapping / repair] andi
@@ Line 36: / Line 36: @@
 make install </code>
-=== HD-Master mit Loudnorm
+== HD-Master mit Loudnorm
 <code>
 ffmpeg -y \
@@ Line 93: / Line 93: @@
   -metadata title="<title>" \
     -metadata album="<album>" \
-    -metadata copyright="Licensed to the public under http://creativecommons.org/licenses/by-sa/3.0/" \
+    -metadata copyright="This work is licensed under a Creative Commons Attribution 4.0 International License. https://creativecommons.org/licenses/by/4.0/" \
   <output-file-name>
 </code>
@@ Line 106: / Line 106: @@
   -c:a libfdk_aac -b:a 192k -aspect 16:9 -metadata title="<title>" \
     -metadata album="<album>" \
-    -metadata copyright="Licensed to the public under http://creativecommons.org/licenses/by-sa/3.0/" \
+    -metadata copyright="This work is licensed under a Creative Commons Attribution 4.0 International License. https://creativecommons.org/licenses/by/4.0/" \
     -f mp4 -movflags faststart <output-file-name>
 </code>
@@ Line 222: / Line 222: @@
 https://trac.ffmpeg.org/wiki/AudioChannelManipulation
+=== mono mixdown
+  ffmpeg -i 27-hd-orig.mp4 -codec:v copy -map_metadata 0 -ac 1 -ab 128k 27-hd.mp4
@@ Line 239: / Line 243: @@
 == metadata fix
-=== map metadata and fix spezific entry
+=== map metadata and fix specific entry
 <code>
 ffmpeg -i br0ken_licence/$file \
   -map_metadata 0 \
-  -metadata:s:a:0 LICENSE="Licensed to the public under https://creativecommons.org/licenses/by/2.0/de/ - http://media.ccc.de" \
+  -metadata:s:a:0 LICENSE="This work is licensed under a Creative Commons Attribution 4.0 International License. https://creativecommons.org/licenses/by/4.0/" \
   -c:a copy $file
 </code>