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Questions tagged [mkv]

The tag has no usage guidance.

0
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0answers
66 views

FFmpeg, last part of output file not playable

I'm using FFmpeg to extract 25 seconds from a video. The input file codec is H.265 (hevc). I use this command: ffmpeg -ss 00:47:09.0 -i input.mkv -c:v libx264 -preset medium -c:a copy -c:s mov_text -...
0
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0answers
7 views

Using transparent png in mktoolnix merge results in black cover

I'm trying to use mkvtoolnix merging to add cover images to my mkv files. It works flawlessly but when part of the cover png I'm using is transparent, the resulting mkv has these parts in black ...
1
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0answers
43 views

Extract file thumbnail from mp4 file

I'm currently converting a few mp4 file to mkv. In the process they lose their file thumbnails and I wanted to keep them. So I'm searching for a way to extract the custom thumbnails from the mp4 files ...
0
votes
1answer
53 views

MKVToolNix Splitting and Joining Stutter

I've been trying to split a tv show episode into two seperate parts, but whenever I try to rejoin the split files, I get a pixelation look on the merge locations. I've been using MKVToolNix to try ...
0
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0answers
201 views

Issue with muxing mkv(video and subtitle) and ac3 files with ffmpeg, muxing w/o subtitle is successfull

I trying to merge video and subtitle from one imput(mkv) file audio ftom another file(ac3). ffmpeg -i input1.mkv -i input2.ac3 -map 0:v -map 1:a -map 0:a -map 0:s -c:v copy -c:a:1 copy -c:s copy -...
0
votes
1answer
2k views

ffmpeg: how to add several subtitle streams

I tried to add 2 .srt subtitles to a video, but the resulting file has only the first subtitle. This is the command I used: ffmpeg -i $movie.mov -i $sub_en.srt -i $sub_de.srt \ -c:v copy -c:a copy \ -...
0
votes
1answer
123 views

Is there any way to efficently compress multiangle recordings?

I have a DVD (a concert recording) which uses the multi angle feature for 3 different angles. I just encoded it with Handbrake on 3 separate but identical machines (all of the same model and maker, ...
2
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2answers
1k views

Is it possible to encode MP4 video with VP9 codec?

Does MP4 support VP9 codec or is it exclusive to WebM?
1
vote
1answer
3k views

MKVToolNix equivalent for .MP4's

Good day! I'm looking for MKVToolNix equivalent software for .MP4's. I will use it in a video file without subtitles, I'll find it's subtitle and merge it with the video file just like what I did in ...
0
votes
2answers
2k views

How to stop ffmpeg from interlacing when converting from m2ts to mkv

I have a m2ts video file that contains a h264 video stream and an ac3 audio stream. The quality is not the best, but it is okay, but converting it with ffmpeg without any additional options makes the ...
3
votes
1answer
9k views

Join multiple M4V to one file (maybe MKV?)

So I've recorded all my old Mini DV tapes to .AVI with dvgrab, then Deinterlaced them with Handbrake (Bob Method) on the High Profile but I'm left with a bunch of M4V files now (due to the 2 audio ...
0
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0answers
33 views

How to burn a MKV to a DVD without audio sync issues using only open software

Using only open software, preferably something cross platform, I'd like to convert an MKV file I have for playback on a DVD on a standard player. I've used software to do this before, but I keep ...
0
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0answers
33 views

Converting .mkv from Kamoso

I have an .mkv file which plays fine in VLC. However any attempt on editation typically fails - Cinerella, ffmpeg. The file was produced by Kamoso recorder, ~2014 edition. I have tried - VLC produces ...
2
votes
2answers
170 views

Is it feasible to create a true multi-language video file with visual localization?

I'm of Russian descent, but I've been living in Germany for the better part of my life now, which means that I deal with both German and Russian media on a regular basis. Most video stuff I have will ...
3
votes
1answer
516 views

How to calculate the length of the video file that was encoded so far?

I am using ffmpeg to convert a video file to H.264 format. If I call ffprobe while ffmpeg is still running the duration of the video is not known. Only when ffmpeg finishes the ffprobe will display ...
0
votes
1answer
616 views

Convert mkv to mp4 (or webM) with the output file viewable in the process

I'm trying to find a way to convert a MKV file into MP4 and actually already start to view it, while it's still converting. The output file would be viewed via Chrome or Firefox and I would like to ...
1
vote
1answer
247 views

What are display and pixel width reported by mkvinfo?

For one movie, mkvinfo says: | + Pixel width: 704 | + Pixel height: 480 | + Display width: 853 | + Display height: 480 What are these values exactly? Why the difference?
2
votes
2answers
2k views

Why does AAC have two Sampling rates?

I am working on a project that reads the meta data of video files with MediaInfo and processes the results. While testing my code with some sample files I noticed that the audio track of a .mkv file ...
1
vote
1answer
558 views

How to convert an mkv file with hevc encoding to mkv with avc

I have some mkv files with a hevc encoding which is not allowing me to burn to disc in covertxtodvd as it shows no video track as the encoding isn't supported, i was wondering if it was possible to ...
0
votes
1answer
2k views

How to display subtitles as default in an MKV file

I have an MKV file with multiple subtitles. I would like to mark one set of those subtitles as default, so that it is turned on by default when the video starts playing. NOTE: I do not want to "burn"...
0
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1answer
4k views

Burn MKV with subtitles on a DVD

I have a movie on an mkv file, the movie has video, audio and the subtitles all in the mkv file but I cannot find a way to burn it to dvd including the subtitles. I need to get VIDEO_TS and AUDIO_TS ...
1
vote
1answer
2k views

How to split a large mkv file into parts with the *.srt subtitle file separated accordingly?

At UNIX command line, I use the mkvmerge command in MkvToolNix to split the large multi-GB *.mkv file into several parts: mkvmerge -o out.mkv --split 1990M large.mkv It generated out-001.mkv, out-...
-1
votes
3answers
9k views

How to DISABLE--NOT REMOVE subtitle tracks from an MKV file from the command line?

ATTENTION: THIS QUESTION IS ABOUT DISABLING--NOT REMOVING SUBTITLE TRACKS FROM MKV FILES FROM THE COMMAND LINE. PERIOD. It IS NOT about REMOVING subtitles by REMUXING with mkvmerge or any ...
0
votes
1answer
2k views

Burn ASS subtitle onto MKV without any quality loss

I want to burn embedded ASS subtitle onto MKV, but I'm completely clueless when it comes to video converting. I want to keep the same quality, file size and everything else but the subtitle hardcoded. ...
1
vote
0answers
243 views

Burn .mkv to a .dvd for playback on DVD player while retaining multiple tracks?

If I use a program like ASVtoDVD or ConvertXToDVD to convert a .mkv to a .dvd, and the .mkv has multiple audio tracks/subtitle, will the produced .dvd only have one of those, or will it retain more or ...
-2
votes
1answer
887 views

How to create exact copy of protected DVD? [closed]

First the explanation: I just bought some workout DVDs. My wife and I have a room in our house where we exercise, but my wife also works out with friends she dances with at her studio. I'd like to ...
5
votes
1answer
184 views

How do I author a playable DVD from an MKV file containing MPEG2 video, audio, subtitle and chapter streams?

I'm using MakeMKV to back up my DVD library to MKV files without re-encoding the video or audio streams (since space is cheap, and quality is top priority.) I'd like to know if there's a tool ...
1
vote
1answer
167 views

What is the technique behind mkv. video format?

Can someone please explain in detail the technique of encoding and decoding used in mkv video format and what is the major difference between mkv. and other video formats. It will be good if someone ...
1
vote
1answer
276 views

How to merge video stream and two Stereo audio streams in 5.1 with a terminal command?

What I want as result: a video with the English stream on the front lineout of my soundcard and a German audio stream on the rear lineout of my soundcard. So far, I extracted the streams with: ...
1
vote
1answer
119 views

Is it better to have a player application stretch the video or to use a resolution that matches the video file?

I have a Samsung LN40A550 LCD TV, purchased in 2008. I have a 2011 mac mini connected via HDMI, and I use VLC Media Player to play tv/movies, most often x264/mkv files. The native resolution of ...
3
votes
1answer
251 views

Easisest way to convert whole DVD folder (all titles and chapters) to MKV file(s)?

I have lots of movies stored as DVD folders(.bup, .vob, .ifo files); I am looking for the easiest way to convert each folder into one (or more) mkv files (preferably by using freeware program(s)) ...
3
votes
1answer
4k views

Remove audio tracks from multiple MKV files

I've got a multitude of MKV files each containing two audio tracks that correspond to two languages. In each of the files, the English language is the second track and it's the only track I need for ...
1
vote
3answers
259 views

What is the difference between mkv and mp4 files?

I don't know if this is the correct exchange site to ask this question. I would like to know what is the difference between mkv and mp4 files?