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--- wiki:ffmpeg_commands [2023/04/11 11:36] – created antisa
+++ wiki:ffmpeg_commands [2026/03/21 09:58] (current) – add m4a to mp3 conversion antisa
@@ Line 5: / Line 5: @@
   ffmpeg -ss 00:29:50 -i video.webm -c copy out.webm
+===== Capture desktop =====
+  ffmpeg -hide_banner -framerate 20 -video_size $(xrandr | awk '/\*/{printf$1}') -f x11grab -i $DISPLAY.0 screenRecording.mp4
+===== Add sound to video =====
+  ffmpeg -i input.mp4 -i input.mp3 -c copy -map 0:v:0 -map 1:a:0 output.mp4
+===== Flac to mp3 conversion =====
+  find . -name "*.flac" -exec ffmpeg -i {} -ab 160k -map_metadata 0 -id3v2_version 3 {}.mp3 \;
+===== m4a to mp3 conversion =====
+  find . -name "*.m4a" -exec ffmpeg -i {} -c:v copy -c:a libmp3lame -q:a 4 {}.mp3 \;
 ====== Tested on ======
@@ Line 14: / Line 30: @@
   * https://superuser.com/questions/377343/cut-part-from-video-file-from-start-position-to-end-position-with-ffmpeg
+  * https://superuser.com/questions/590201/add-audio-to-video-using-ffmpeg
+  * https://superuser.com/questions/704493/ffmpeg-convert-m4a-to-mp3-without-significant-loss