I am looking for a free program to fast convert from .mkv (Matroska Multimedia Container) to .m4v (video container format by Apple) on Windows. (I use Subler on Mac OS X)
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2As most people don't know Subler, could you please describe what features of Subler you want? Thanks!– Nicolas Raoul ♦May 26, 2014 at 7:26
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Like I said, fast convert from mkv to m4v– Oskar PerssonMay 26, 2014 at 7:28
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Factory Format will do it.– TomJMay 27, 2014 at 12:59
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5 Answers
According to Wikipedia, m4v is a video container format for x264, AAC and Dolby Digital. Knowing this, you can import your video in Avidemux and configure codecs like:
To add even more compatibility with Apple's products, you can configure the MP4v2 Muxer to add iPod metadata. When saving video, don't forget the m4v extension.
Avidemux is:
- free and open-source
- cross-platfrom
- supports many input formats
VLC is a free and open source cross-platform multimedia player and framework that plays most multimedia files as well as DVDs, Audio CDs, VCDs, and various streaming protocols. Including both of the formats that you mention, (note that .m4v is actually MPEG-4). It includes the ability to convert between file formats both from the GUI and the command line.
Command line example:
vlc file.mkv --sout="#transcode{vcodec=mp4v,acodec=mp4a}:std{access=file,mux=mp4,dst=file.m4v}"
answered May 26, 2014 at 9:50
Handbrake is an open source video transcoder for Windows, Mac OS X, and Linux that supports the .mkv and .m4v formats.
You can use FFmpeg:
- Free and open-source
- Runs on Windows
- Allows to fast convert from .mkv (Matroska Multimedia Container) to .m4v (video container format by Apple).
- Is CLI so you can batch.
To convert from an mkv to an m4v:
ffmpeg -i INPUT.MKV -acodec aac -vcodec libx264 -crf VIDEO-QUALITY -preset SPEED -pix_fmt yuv420p OUTPUT.M4V
...where:
- INPUT.MKV is, of course, the mkv you want to convert.
- VIDEO-QUALITY is a number between 17 and 25. 17 will have the best quality and the largest file size, whereas 25 will have the worst quality and the smallest file size.*
- SPEED is how quickly you want the video to be encoded. Possible values are ultrafast, superfast, veryfast, faster, fast, medium, slow, slower, and veryslow.† Note that the faster your encoding speed, the greater the file size of your converted video at any given quality level.
- OUTPUT.M4V is what you want to call your converted video.
* You can technically use higher and lower numbers as well, but 17-25 is generally a good range.
† An additional value, placebo, should never be used.
answered May 26, 2014 at 14:28
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How would I use this to convert from .mkv to .m4v as fast as subler? May 26, 2014 at 15:42
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1Subler is just a GUI wrapper around ffmpeg. I don't convert to Apple formats but if anyone has the right command please edit my answer. May 26, 2014 at 15:46
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I've now tried WinFF and the problem with it, just like the other applications suggested here, it's not near as fast as subler. May 27, 2014 at 9:13
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Since they all use ffmpeg I would guess they use different parameters. May 27, 2014 at 14:03
MkvToMp4
MkvToMp4 can change the mkv to Mp4 without reconverting/transcoding video(If the original video in H264 format). Support for multiple internal and external audio tracks. Support subtitle formats: srt, ass, ssa, ttxt. Changing colors for subtitles. Add and edit tags for Mp4 files (m4v, m4a, m4b). Artworks and chapters for Mp4 files. Encode video for non-h264. Correction of the atoms in Mp4 files to be able to change the audio and subtitle on Apple devices. English and Russian interface.
