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--- howto:mkv-edit [2023/08/14 17:20] – Wulf Rajek
+++ howto:mkv-edit [2024/10/07 00:13] (current) – [Convert DVD VIDEO_TS folder] Wulf Rajek
@@ Line 53: / Line 53: @@
 <code>
 ffmpeg -i 'input' -map 0 -c copy 'output.mkv'
+</code>
+===== Flip video =====
+To Flip Video Vertically (upside down):
+<code>
+ffmpeg -i INPUT.mp4 -vf vflip -c:a copy OUTPUT.mp4
+</code>
+To Flip Video Horizontally (left/right):
+<code>
+ffmpeg -i INPUT.mp4 -vf hflip -c:a copy OUTPUT.mp4
+</code>
+===== Convert DVD VIDEO_TS folder =====
+<code>
+ffmpeg -i "concat:VTS_01_1.VOB|VTS_01_2.VOB|VTS_01_3.VOB|VTS_01_4.VOB|VTS_01_5.VOB|VTS_01_6.VOB|VTS_01_7.VOB" -filter_complex "scale=ceil(iw*min(1\,min('1080'/iw\,'720'/ih))/2)*2:-2" -c:v libx264 -crf 28 -c:a aac  -b:v '4M' -maxrate '4M' -bufsize '4M' -f mp4 output.mp4
+or
+cat ./VIDEO_TS/VTS_01_*.VOB | ffmpeg -i - -filter_complex "scale=ceil(iw*min(1\,min('1080'/iw\,'720'/ih))/2)*2:-2" -c:v libx264 -crf 28 -c:a aac  -b:v '4M' -maxrate '4M' -bufsize '4M' -f mp4 output.mp4
 </code>