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--- howto:fix_mp4_video_to_whatsapp [2024/03/14 13:48] – created yehuda
+++ howto:fix_mp4_video_to_whatsapp [2024/03/14 14:07] (current) – yehuda
@@ Line 2: / Line 2: @@
 <code>
-ffmpeg -i ###broken.mp4 -c:v libx264 -profile:v baseline -level 3.0 -pix_fmt yuv420p -ac 2 ###working.mp4
+ffmpeg -i FILES.mp4 \
+-c:v libx264 -profile:v baseline -crf 28 -level 3.0 -pix_fmt yuv420p -ac 2 -vf scale="iw/2:ih/2" \
+-vcodec libx265 -crf 28 \
+ FLIEO.mp4
+ffmpeg -i FILES.mp4 \
+-c:v libx265  -crf 28 -level 3.0 -pix_fmt yuv420p -ac 2 -vf scale="iw/2:ih/2" \
+ FLIEO.mp4
+</code>
+===== Concat videos to single =====
+<code>
+for f in *.mp4; do echo "file '$f'" >> list.txt; done
+ffmpeg -safe 0 -f concat -i list.txt -c copy output.mp4
 </code>

howto/fix_mp4_video_to_whatsapp.1710424087.txt.gz · Last modified: 2024/03/14 13:48 by yehuda

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