Questions tagged [mkv]

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1answer
80 views

Editing/Changing Cluster Timecode Element in mkv files (Amazon Kinesis Video)

I've tried researching this very thoroughly, but have not come across a similar issue. To sum up my problem first, I'm sending 3 second .mkv clips into Amazon Kinesis Video. Then I pull back random ...
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1answer
32 views

How to convert part of mkv file to mp4 for premiere pro?

I tried changing the extension name of a mkv file to avi before importing but it doesn't work. I can use VLC to convert the entire video to mp4 but it would take 3-4 hours (it's 7GB). Is it possible ...
1
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1answer
56 views

Trim audio stream to video stream length

I have an mp4 file (converted from an mkv file) that has a longer audio than video stream. This file doesn't play back nicely in my media streaming app (or MPC-HC) when I reach the end of the file. ...
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0answers
9 views

TV is not able to seek properly in a recorded HEVC MKV file

I have a HEVC/MKV file recorded from DVB. It plays without problems on a TV, but the TV fails miserably when I attempt to seek in the file. Regardless if I seek forward or backward, it always seeks ...
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0answers
25 views

Mjpeg in video containers use case

From time to time i'm converting mkv to mp4 using ffmpeg in order to save disk space. Currently i noticed that in some files multiple mjpeg streams where also included. Some of them were named cover....
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1answer
24 views

Identify H.265 from the OSX Command Line?

Can anyone suggest a way to tell the difference, from the OSX command line, between .mkv files encoded with H.265 from those encoded with H.264? Plex H.265 streams viewed from some devices (e.g. LG ...
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0answers
44 views

Reencode MKV (from DVD - Mpeg2) to h264

I have some old DVD that I already converted using MakeMKV, they seems to have the original mpeg stream, so I want to do this: Reencode the video stream to the more recommended settings for old-DVD ...
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0answers
8 views

Audio subtly out of sync with video - how to fix?

I have an MKV file that has an issue with the audio - it subtly lags behind the video. They start in sync, and then over the course of the whole clip they drift out of sync. My first idea was that ...
1
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0answers
415 views

What's wrong with VLC seeking and/or MKV created by ffmpeg?

I have creeated a video using FFmpeg. It is a result of putting 4 videos together, tiled, using -filter_complex with overlays. Following the how-to here, I have it created as MKV. When playing this ...
0
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1answer
148 views

How to make ffmpeg to generate NUMBER_OF_BYTES tag for every stream in file output?

Can ffmpeg count size of stream in bytes? I want to write NUMBER_OF_BYTES tag for every stream in file output on the fly. Like MKVToolNix does. Input #0, matroska,webm, from 'm:\S01E18.mkv': ...
1
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1answer
21 views

I have a .mkv video file I need to use but it is apparently infinite

So I'm trying to make a YouTube video and I have recorded some gameplay and some facecam footage. When I went over to edit in Kdenlive (my video editor of choice) I tried to import my facecam footage (...
1
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1answer
403 views

FFmpeg can't convert eia_608 subtitles: “Data Ignored since exceeding screen width”

I'm trying to convert iTunes movies that were previously decrypted to an mkv file with FFmpeg for use with Kodi. I want to keep stereo audio and h264 video the same, which I can do. Subtitles I want ...
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0answers
395 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 ...
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1answer
175 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 ...
3
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1answer
4k 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
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1answer
215 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
3k views

Is it possible to encode MP4 video with VP9 codec?

Does MP4 support VP9 codec or is it exclusive to WebM?
1
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1answer
6k 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 ...
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2answers
3k 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 ...
5
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1answer
14k 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 ...
2
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2answers
350 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 ...
2
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2answers
709 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
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1answer
777 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
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1answer
421 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
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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
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1answer
708 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
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1answer
5k 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
5k 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
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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-...
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3answers
12k 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
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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
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0answers
263 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 ...
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1answer
986 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
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1answer
209 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
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1answer
246 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 ...
2
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1answer
320 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
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1answer
122 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 ...
4
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1answer
297 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
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1answer
5k 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
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3answers
341 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?