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Questions tagged [mkv]

This tag is for questions about playback of, creation of, and programmatic interaction with, Matroska multimedia Container (*.mkv,*.mka) files.

MKV refers to Matroska Multimedia Container format, an open standard free container format, that can hold an unlimited number of video, audio, picture or subtitle tracks in one file. It is intended to serve as a universal format for storing common multimedia content.

For more details see http://en.wikipedia.org/wiki/Matroska

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When converting mkv to mp4, the audio is lost

I have converted my .mkv file into an .mp4 by using the command: sudo avconv -i input.mkv -codec copy output.mp4 I am trying to play the mp4 file in the browser, but the audio is not playing. The video player shows that it is on mute, but the…
manntonn
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IIS Directory listing doesn't reconize .mkv files

I use the directory listing function in IIS to upload a bunch of files for friends and family to easy access and download. My problem is that .mkv files it lists but when you click it i get a 'The page cannot be found'. Ive tried relocating the file…
Jan Johansen
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Combine mkv's in Windows (automated, not using a GUI)

From time to time I receive several mkv's from a server I have. These mkv's are all part of the same recording, but they come in 1 minute chunks, and I don't want to have to take the time to stitch them together manually each time. Can this be…
austinthemassive
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Remux contents of multiple files to .mkv using batch

I have a number of video files from TV shows and I want to add subtitles subtitles to each of them. While I can use MKV merge for a few files, but here the number of files is too much, and doing each one individually would take a lot of time. I…
Mohammad Nair Aalam
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build mp4 file from mdat

I have mdat content that I parsed from mkv cluster/blocks it is basically the mdat section of the mp4 file contained in the mkv. I would like to build a playable mp4 or ts file or any playable format from that mdat. I already have all the required…
Bilel Boulifa
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MKV file in React Player, display missing problem

Here is my code and I have two different mkv files. One of the mkv files is being played without any problem in chrome but the other one does not have a display! Is it because encoder or stuff like that? any solutions?
mxd
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how can i save videos in webm format instead of mkv format

I need a help. I have a javascript code in my site that record videos and save them on the server. The format in which the videos are saved depends on the browser I am using, because if I use Opera or Chrome, the videos are saved in MKV format, if I…
Gennaro Abategiovanni
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Delete subtiltes from an MKV with FFMPEG

Can anonye tell me a way to delete all subtiles except from a number of specified languages from a MKV with FFMPEG, preferrably in way that this could be done sequentially from mutltiple files ?
Bonita Montero
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Use ffmpeg to add multiple subtitles separately to a video

I am trying to add multiple languages of subtitles to a video using ffmpeg. I succeeded in adding 1 language, but can't seem to add a second one. I use this simple script to add english subtitles to my video. ffmpeg -i %1 -i subs_eng.srt -map 0…
Appa
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How do i extract timstemp of a cluster from mkv reading the file binary

When I read a binary mkv the id of a cluster is E7 byte and the timestamp has an unsigned int value but when I read it id doesn't give me the correct timestamp. double mkVSParser::get_clusters_timestamps(char *&package,unsigned long &size) { …
Silviu Petrut
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Muxing files with different run times

I've got a few files I want to mux. File 1: MP4 File with runtime of 23 Minutes 45 Seconds File 2: MP4 File with runtime of 23 Minutes 39 Seconds File 3: Subtitle File File 4: Subtitle File File 5: Subtitle File File 6: Subtitle File File 7:…
Dhruv Kanojia
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Slow seek in MKV videos with FFmpeg C/C++

Seeking in any large MKV H.264 video works very slow. Call of av_seek_frame() in my code using FFmpeg LibAV takes about 3-10 seconds to jump to a middle position in 1-2 hours video. I tried all combinations of flags: AVSEEK_FLAG_BACKWARD,…
Igor
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streaming an mkv file while processing with ffmpeg

What I want to do: I want to play an mkv video in Firefox. But Firefox doesn't support the mkv format. So I've searched a lot and found that, I could stream instead of playing the video following these steps. mkv can be converted to an m3u8 using…
Phani Rithvij
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Is there any way to play mkv video on all browsers without any plugin installed on client side?

I am using simple HTML5
Prashant Hanamghar
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html5 MKV playback with subtitles

I am attempting to play an MKV file in my chrome browser with subtitles so I can view local video files. This has been successful, using the above method/code in Microsoft Edge, however, when I use chrome I am unable to see the subtitles (cannot use…
Neko Means Cat
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