refactor

zsh/media.zsh

@@ -1,7 +1,18 @@
+# convert <OLD_EXT> <NEW_EXT>
+# convert all files with old_ext to new_ext using ffmpeg
 function convert() {
 for i in *.$1; do ffmpeg -i "$i" "${i%.*}.$2"; done
 }
 
+# remux all mkvs in current dir to mp4
 function mkvToMp4() {
 for i in *.mkv; do ffmpeg -i "$i" -map 0 -c copy "${i%.*}.mp4"; done
 }
+
+# gif2avif <GIF>
+# convert gif to avif image
+function gif2avif() {
+    ffmpeg -i "$1" -pix_fmt yuv444p10 -strict -1 "${1%.*}.y4m";
+    avifenc "${1%.*}.y4m" "${1%.*}.avif";
+    rm -v "${1%.*}.y4m";
+}