Differences

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--- howto:merge-video [2024/03/04 21:40] – Wuff
+++ howto:merge-video [2025/12/07 03:54] (current) – Wuff
@@ Line 1: / Line 1: @@
 ====== Merge/Combine/Join Video ======
+GUI tool for mkv files. Older version is in default debian/ubuntu repositories, but latest can be installed in Mint 22 Wilma using the following, afterwards associate mkv files with mktoolnix:
+<code>
+sudo wget -O /etc/apt/keyrings/gpg-pub-moritzbunkus.gpg https://mkvtoolnix.download/gpg-pub-moritzbunkus.gpg
+cat <<EOF | sudo tee /etc/apt/sources.list.d/mkvtoolnix.list
+deb [arch=amd64 signed-by=/etc/apt/keyrings/gpg-pub-moritzbunkus.gpg] https://mkvtoolnix.download/linuxmint/ wilma main
+deb-src [arch=amd64 signed-by=/etc/apt/keyrings/gpg-pub-moritzbunkus.gpg] https://mkvtoolnix.download/linuxmint/ wilma main
+EOF
+sudo apt update
+sudo apt install mkvtoolnix mkvtoolnix-gui
+</code>
+{{.:pasted:20250823-213148.png}}
 MPG/MPEG files:
@@ Line 80: / Line 94: @@
 output="$filename.mergedprogress.$container"
-sort -n -o $TMPFILE"_sort" $TMPFILE
+sort -V -o $TMPFILE"_sort" $TMPFILE
 echo "The following files will be merged in this order:"
@@ Line 226: / Line 240: @@
 ffmpeg -i input.ass input.srt
 </code>
+Remove audio from a video file:
+<code>
+ffmpeg -i input_file -c copy -an output_file
+# remove all but a specific language audio streams
+ffmpeg -i input_file -map 0 -map -0:a -map 0:a:m:language:fre -c copy output_file
+# loop to remove all but turkish audio streams:
+for f in *.mkv; do ffmpeg -hide_banner -i "$f" -map 0 -map -0:a -map 0:a:m:language:tur -c copy "${f%.*}.tur.mkv"; done
+</code>