Differences

This shows you the differences between two versions of the page.

--- howto:merge-video [2024/03/04 21:43] – Wulf Rajek
+++ howto:merge-video [2025/08/23 21:31] (current) – Wulf Rajek
@@ 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 using, afterwards associate mkv files with mktoolnix:
+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 /usr/share/keyrings/gpg-pub-moritzbunkus.gpg https://mkvtoolnix.download/gpg-pub-moritzbunkus.gpg
+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=/usr/share/keyrings/gpg-pub-moritzbunkus.gpg] https://mkvtoolnix.download/linuxmint/ vanessa main
+deb [arch=amd64 signed-by=/etc/apt/keyrings/gpg-pub-moritzbunkus.gpg] https://mkvtoolnix.download/linuxmint/ wilma main
-deb-src [arch=amd64 signed-by=/usr/share/keyrings/gpg-pub-moritzbunkus.gpg] https://mkvtoolnix.download/linuxmint/ vanessa main
+deb-src [arch=amd64 signed-by=/etc/apt/keyrings/gpg-pub-moritzbunkus.gpg] https://mkvtoolnix.download/linuxmint/ wilma main
 EOF
 sudo apt update
@@ Line 12: / Line 13: @@
 </code>
+{{.:pasted:20250823-213148.png}}
 MPG/MPEG files:
@@ Line 239: / 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>