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PostPosted: Wed Jun 06, 2018 4:18 pm 
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Joined: Wed Jun 06, 2018 3:55 pm
Posts: 3
Hi Mike,

Love makeMKV. I purchased it years ago and have had great use for it, well worth the cost!

I am beginning to convert all my old DVDs with multiple audio tracks and commentary tracks.

I would really like to find a program that will convert the mpeg2 codec WITHIN the MKV container to a more efficient codec such as .h264 without changing or touching audio tracks. It would be great if I could adjust the compression bit rate on new .h264 video track without changing anything else.

Is there a tool you could recommend to simple turn mpeg2 video track codec to more efficient and more compatible .h264 or similar codec within - while passing through all other tracks unchanged keeping conversion in the MKV container.

in gratitude,
theGuruWithin


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PostPosted: Wed Jun 06, 2018 6:07 pm 
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Joined: Sun Jul 24, 2011 11:21 pm
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Several free projects do what you want to do, handbrake and ffmpeg to name just two.

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PostPosted: Wed Jun 06, 2018 6:35 pm 
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thanks for quick response. How would this be done with ffmpeg just dealing with video and not changing (just passing through) all of the audio and CC tracks? Would you know command-line code or is there a good open source GUI for Windows?


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PostPosted: Wed Jun 06, 2018 7:39 pm 
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I'm not an ffmpeg user, so I do not know the magic rituals (command line arguments) for it. Sorry.

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PostPosted: Wed Jun 06, 2018 10:24 pm 
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I believe I have finally figured out command line for FFmpeg that works to accomplish this type of conversion.

ffmpeg -i "input_mpeg2.mkv" -map 0:v -map 0:a -map 0:s? -f matroska -vcodec h264 -acodec copy -c:s copy "Output_h264.mkv"


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