Extract video and re-encode only broken section (advanced):
ffmpeg -i broken.mkv -c:v libx264 -crf 18 -c:a copy recovered.mkv
But this re-encodes video → quality loss. Better to find a clean copy. siempreelmismodia20111080pduallatmkv fixed
Compare your file’s size with the release group’s stated size (if known). If it’s much smaller, it’s incomplete. Extract video and re-encode only broken section (advanced):
Extract video, audio, subs separately:
ffmpeg -i input.mkv -map 0:v:0 -c copy video.h264
ffmpeg -i input.mkv -map 0:a:0 -c copy audio1.aac
ffmpeg -i input.mkv -map 0:a:1 -c copy audio2.aac
Then play video with external audio in VLC (Audio → Audio Track → use external). But this re-encodes video → quality loss