Questions tagged [matroska]

Matroska Multimedia Container is 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 multimedia content.

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DVD to MKV conversion remains incomplete

I have a DVD with a menu, multiple VOB files, one audio and one subtitle track. It is a DVD of a TV show, so has about 9 separate episodes accessible from a menu, and is about 3 hours 20 mins long. ...
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How to define right-to-left subtitles in SSA/ASS format

I am editing an SSA/ASS file with the following options: [V4+ Styles] Format: Name, Fontname, Fontsize, PrimaryColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, ...
Mehdi Haghgoo's user avatar
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Batch script for MKVExtract?

I was wondering if anyone can help me writing a simple batch script that runs this command: mkvextract *.mkv 2: For all mkv files inside a folder. mkvextract doesn't seem to work with folders or *....
Chembs's user avatar
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Merge MKV video and MKA audio tracks while keeping subtitles

I have this situation: file1.mkv (video with two 5.1 tracks and several subtitles) file1.mka (two stereo audio tracks) I want to merge the files to a single output that has: 4 audio tracks (the 5....
aur0n's user avatar
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Convert 5.1 tracks but leaving the originals in MKV

I'd like to convert all audio tracks in MKVs from 5.1 to stereo, leaving the the converted ones in MKV amongside the new ones. I'm trying to make this an automated process via BAT file. Currently I ...
aur0n's user avatar
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Using FFMPEG to rename MKV audio tracks for a more detailed description

I'd like to uniform the way audio tracks in MKV are named, with the number of channels, the codec and (if specified) the language of the audio track, something like: 5.1 AC3 Eng 5.1 DTS Eng 2.0 DTS ...
aur0n's user avatar
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Dvd upscaling with out quality loss to MKV

I have a DVD containing a VOB of resolution 720×640, with DTS audio. I would like to upscale a the video to 1920×816 while retaining DTS audio without lose of video quality, and save it as an MKV ...
Abey Joseph's user avatar
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Is there a way to add album art to mka files with encoded chapters?

I typically use MP3Tag to add album art to any music file. However, I have noticed that .mka files with chapters cannot have an album art attached to them. MP3Tag registers each individual chapter in ...
Rapid Readers's user avatar
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Batch mux cover.jpg as attachment into a mkv

i have a few folders here having thousands of sub folders. each of those sub folders have a .mp4 and a .jpg. i have A, B, C folders. D:\A\sub folderq\ D:\A\sub folderr\ D:\A\sub folderw\ ... D:\B\sub ...
sameer's user avatar
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H.265 to H.264 batch file command

What can be added to this batch file command line that will enable it to change H.265 to H.264? if not exist newfiles md newfiles for %%a in ("*.mkv") do ffmpeg -i "%%a" -vcodec copy -acodec copy "...
badboystyla's user avatar
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Convert .MKV to video-dvd.ISO

I'm trying to convert an MKV (matroska) file to an ISO file for a video-DVD. I looked up a lot of information about DVD and how to get a .vob working but I failed every time. I tied to extract all ...
KoneLinx's user avatar
3 votes
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5k views

How to make video and audio timecodes start from zero?

This question will probably require the knowledge of the matroska format. When I mux video and audio together, audio packets start with timecode 0, and video starts with timecode 7. Should a 30fps ...
siods333333's user avatar
69 votes
2 answers
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What does Matroska have which WebM doesn't, that made the differentiation necessary?

I've read that WebM is essentially a subset of the Matroska format. What does Matroska support that WebM doesn't, which necessitated "christening" a new format rather than just saying "...
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About adding Windows file properties from CLI (esp. for .mkv files)

[Context] I have a large collection of movies that have been grouped by their Genre. But now, I have all the files from all years of release in the same folder (I don't want to sub-divide by folders ...
aalosious's user avatar
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How to concatenate MKVs with different tracks

I have an mkv film and a separate mkv with an introduction by the director. I'm trying to use mkvmerge to concatenate them. However, the film has subtitles and the intro has no subtitles, and this ...
Dave's user avatar
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How to get VLC to display both subtitles embedded in mkv video?

I have a mkv video which embeds English and German subtitles. I watch the mkv video on VLC player. At any one time, I can only select one of the subtitles. I would like to learn German. Watching video ...
curious's user avatar
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MKVMerge add .srt subtitle in batch

I'm looking for some command / script to scan my designated folder, merge the srt files (same name as video) with avi/mp4/mkv files to get mkv files, and then delete the original files (video AND ...
Michal Masár's user avatar
3 votes
3 answers
14k views

Speed up video x1.5 but keep all frames

So I'm trying to speed up all my tv episodes (because some of them are really slow paced). The source is 30fps. And if already tried to do this with the following command:(I'm doing x1.6 because that'...
Thibault Molleman's user avatar
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VLC: avformat demux error: Unknown option "threads"

I transcoded a video with FFmpeg using ffmpeg -i input.mkv -ss 18 \ -c:v libx265 -x265-params preset=slower:crf=25:keyint=240 \ -c:a libopus -b:a 192k -filter:a aformat=channel_layouts=7.1|5.1|...
David Foerster's user avatar
3 votes
2 answers
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Bulk MKV Metadata Removal - Batch Scipt

I am trying to create a batch file that will use mkvpropedit and remove all tags from all mkv files within a directory, I have so far managed to get this: @ECHO OFF TITLE MKV Metadata Remover ECHO. ...
Connor's user avatar
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Extracting subtitles from a video file is not working

I'm trying to extract subtitles from an mkv file, but no success. My command: ffmpeg -i movie.mkv -map 0:s:0 subs.srt I get: Unable to find a suitable output format for 'subs.srt' I use CentOS 6....
HTMHell's user avatar
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VLC: Take Snapshot of multiple Video Streams in a single MKV

I have a single MKV File with multiple Video Streams included. While playing with VLC, all of the Video Streams are shown simultaneously, each in a different Window, as expected. Now i want to take a ...
ZeroTek's user avatar
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Extracting subtitles from MKV files with ffmpeg or mplayer

An MKV file containing multiple sets of subtitles refuses to play them on a SmartTV or similar devices, seeing no subtitles at all. mplayer manages the file without problems. Here's what is in the ...
Edward Sternin's user avatar
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1 answer
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Issue trying to combine mkv with SRT subtitles

Am facing this issue when trying to embed subtitles into mkv format. ffmpeg -i Silence2016.mkv English.srt -map 0 -map 1 -c copy output.mkv ffmpeg version 3.2.2 Copyright (c) 2000-2016 the FFmpeg ...
the lucas's user avatar
1 vote
1 answer
887 views

x264 MKV frame-freeze in Panasonic TV

After playing an MKV video file on my Panasonic DX650 Series TV, the video starts freezing at about 10 minutes past the beginning, but there's no problem with the audio and subtitles. Everything is ...
Adrian Machin's user avatar
6 votes
2 answers
7k views

Make MKV file suitable for streaming with ffmpeg (or avconv) - how to move all metadata to beginning of file?

My question, I think, is pretty simple... Sometimes I like to download large MKV files from a webserver of mine, and play them back while they are downloading. However, if I do this on MKV files I've ...
Fredrick Brennan's user avatar
2 votes
1 answer
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ffmpeg cut, encode MKV to MP4, and burn subtitles

I want to cut a section of an MKV and encode it to MP4, while also burning the subtitles. But I don't know how to do that all in 1 pass (related question), so I tried it step by step. When I first ...
Ketho's user avatar
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Batchfile to convert AVI to MKV and tag first audio and first video file as English language

I have a bunch of *.avi videos in a folder on my Windows computer that I would like to convert (or remux) to *.mkv. Since I have a lot of files I would like to automate this process with a batch ...
Mervin Cinq-Mars's user avatar
1 vote
1 answer
2k views

How to create chapters from HLS segments, when converting M3U8 into MKV?

I'm converting an existing M3U8 with dozens of segments into an MKV using ffmpeg: ffmpeg -i http://example.com/foo.m3u8 -c copy foo.mkv FFMpeg is gluing the segments listed in the M3U8 together and ...
Mikhail T.'s user avatar
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257 views

Smooth playback of .mkv files incorrectly rated at 29fps

I noticed for some mkv files, the frame reported in Explorer and VLC is 29, but this is incorrect as it's actually a 24fps source (i.e. Blu-Ray movie), and the file plays with judder in MPC-HC and VLC....
Asik's user avatar
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4 votes
1 answer
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Use mkvtoolnix / mkvmerge to merge audio track with title

I want to merge a .mkv video with a German audio track with an matching external English audio track. When I use the basic commmand mkvmerge -o output-with-two-tracks.mkv input-video-with-german-...
woerndl's user avatar
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Batch merge/mux MP4 and SRT files to MKV

So I've been searching around to an answer to this and have been able to find very many similar cases, but unable to actually find an answer to what I'm trying to do. I took a look at these two ...
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2 votes
1 answer
8k views

How to combine MKV video and separate audio?

I have MKV video and separate audio in .ac3 format. MKV file has its own embedded audio records, but I don’t need them. I need to unify video from MKV file and my separate audio of .ac3 format. How ...
Erba Aitbayev's user avatar
0 votes
3 answers
4k views

FFMPEG Converting MKV to MP4 causes Frame Rate Mode to Change

When I convert a video from MKV to MP4 using this command: ffmpeg -i input.mkv -vcodec copy -acodec copy output.mp4 the frame rate mode changes from Constant to Variable, creating a desync over time ...
Tempest's user avatar
1 vote
1 answer
903 views

MKV to MP4 container solution

Right now I am using ffmpeg to convert from MKV to MP4 for my movies and tv shows. However This can only be done in one folder at a time or one move at a time as they are all in their own folder. I ...
cyris69's user avatar
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Merge MP4 Files and Add Chapters For Each One

On Windows, I'd like to merge a group of MP4 files and add a chapter marker for each file in the resulting MKV/MP4. Does anyone know how to do this? I've tried using mkvtoolnix but I'm not sure if it'...
Steve's user avatar
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0 votes
5 answers
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Batch remove title from .mkv files

Trying to remove the "title" attribute from a bunch of MKV files. Windows Explorer is being blocked by COM Surrogate which is keeping this (How to remove title and other metadata from video files?) ...
user608088's user avatar
5 votes
5 answers
41k views

Trouble playing 1080p HEVC format on VLC, MPC, Potplayer

I am having trouble playing HEVC 1080p file on my system. I don't have a really strong PC, but I will give the facts: Ram: 2GB OS: Win 7 ultimate processor: Pentium(R) Dual-Core T4500 @2.3Ghz Graphic ...
4-K's user avatar
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Modifying properties/metadata of .mkv files

I tried to modify the Tags property by right-clicking an .mkv file and then selecting Properties - Details, like I did for other filetypes (like .mp4), but I was not able to do the same in that case. ...
Yorgos's user avatar
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5 votes
2 answers
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How do you rip two or more specific titles with makemkvcon?

I've been starting to use the CLI to MakeMKV (makemkvcon) and I'm wondering if anyone knows if there is a way to rip more than one specific title from a DVD at a time without rescanning. Say I want to ...
nbrunett's user avatar
1 vote
1 answer
3k views

Batch convert flv to mkv with mkvmerge

I have a bunch of *.flv videos in a folder on my Windows computer that I would like to convert (or remux) to *.mkv. Since I have a lot of files I would like to automate this process with a batch ...
Arete's user avatar
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0 votes
1 answer
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How can I merge audio and video stream with delay

Let's say I have audio.m4a and video.m2v and the video stream starts approx. 13 sec with the expected sound output but my audio.m4a immediately. So I have to merge it with a delay! I tried already ...
leon22's user avatar
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5 votes
6 answers
24k views

Batch merge/mux .srt with .mkv files

I have a folder with: TVShow - Episode 01.mkv TVShow - Episode 01.srt TVShow - Episode 02.mkv TVShow - Episode 02.srt TVShow - Episode 03.mkv TVShow - Episode 03.srt and so on... I already know ...
Arete's user avatar
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QuickTime can't play mp4 generated by ffmpeg without converting first

I've created a .mkv file from a DVD using MakeMKV that I've then converted to .mp4 using ffmpeg: ffmpeg -i title00.mkv -c copy -c:s copy output.mp4 Now when I try opening the .mp4 file using ...
Oskar Persson's user avatar
1 vote
1 answer
2k views

Using ffmpeg to cut a portion of a mkv

So I'm trying to extract a portion of a video but for some reason the output file has a higher bitrate than the original! The original has a 9 mbps bitrate and the resulting file has like 21.9 mbps! ...
ktie's user avatar
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2 votes
2 answers
5k views

H.265 and Opus in Mp4 container - is it possible?

I have an MKV file with HEVC video and OPUS audio. It plays great in all players. The problem is that I need it to be streamable. When VLC plays an MKV from the web, it first downloads it and then ...
moni's user avatar
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1 vote
3 answers
4k views

FFMPEG: convert MP4 to same MP4 (in a different container) and add Subtitles

The main reason for this post is that I have movie.mp4 that I have downloaded an SRT for. When I manually add the SRT VLC uses its settings to change the font/size etc of the SRT. But if I Embed the ...
FreeSoftwareServers's user avatar
0 votes
2 answers
810 views

Reading specific MKV metadata from avconv

I want to extract a specific piece of metadata from an MKV and use it as the filename of a converted file. Example, if I run avconv -i MyFile.mkv I get the following output avconv version 9.18-6:9....
Terence Eden's user avatar
1 vote
1 answer
11k views

How can I watch Half-OU or Half-SBS 3D movies on PC/laptop with SMPlayer?

How can I watch Half-OU or Half-SBS 3D movies on PC/laptop with SMPlayer?
My Answer is NO's user avatar
0 votes
1 answer
1k views

Handbrake doesn't keep Hi10p and HEVC after conversion

Handbrake is a great tool for me to convert media files. I noticed that my original video file (mkv, 1080p, Hi10p, HEVC) lose some quality after conversion (mp4, 1080p, 8-bit, AVC). What I've ...
Happy Face's user avatar