Questions tagged [mkv]
The Matroska Multimedia container is a free and open media file format. It is also a container format which means it can contain all sorts of audio, video, textual and graphical file information inside of it. You can have multiple number of audio, video, textual and graphical streams co-existing in the same file without an issue. It uses something called an Extensible Binary Meta Language which is supposed to be equivalent to XML.
15
questions with no upvoted or accepted answers
2
votes
0
answers
82
views
Create time corrected .srt subtitle file for .mkv which uses file/segment linking
I have two mkv files. One of them is the episode of a series and the other one the opening which is linked in the first one. Let's call them episode.mkv resp. opening.mkv.
I also have a subtitle.srt ...
2
votes
0
answers
1k
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 ...
- 21
1
vote
0
answers
526
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....
- 111
1
vote
0
answers
3k
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 ...
- 209
1
vote
0
answers
288
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 ...
- 249
0
votes
0
answers
28
views
Why has transport stream (TS) a much bigger file size than mkv?
When I remux the transport stream (.ts file) of a satellite recording to mkv, file size shrinks considerably.
Why is that ?
What is inside the .ts container that gets "lost" during remuxing ?...
- 109
0
votes
0
answers
38
views
How to convert mkv to a container that works well on apple devices while keeping the audio tracksand subtitles
I have a mkv file that I would like to transcode to to a container that works well on Apple devices.
I have identified the following options to help me reach my goal based on the ffmpegs video ...
- 101
0
votes
0
answers
21
views
What causes, and how to avoid artifacts on uncompressed video?
Wondering what in particular could be causing visual artifacts on uncompressed video and how to avoid it. I am assuming it is due to the encoding, but would need confirmation as I'm not an expert on ...
0
votes
0
answers
92
views
FFMPEG conversion from HEVC .MP4 video to .MKV stutters in VLC
I've been trying to convert a .mp4 file containing a HEVC encoded video and AAC encoded audio into a .mkv container with ffmpeg. However, when I try to play the resulting file in VLC it stutters. ...
0
votes
1
answer
845
views
ffmpeg "-shortest" yielding a clip longer than audio file
I'm working on adding .mlp audio / TrueHD w/ Atmos content into an .mkv container (certain playback programs require a video track to bitstream audio). I'm synthesizing a color background for the ...
- 1
0
votes
1
answer
376
views
ffmpeg mov_text subtitle too small when converting mkv to mp4
I want to remux a mkv file into mp4.
I used the following command.
ffmpeg -i "input.mkv" -c:v copy -c:a copy -map 0:0 -map 0:1 -map 0:2 -map 0:3 -c:s mov_text "output.mp4"
Problem:...
0
votes
0
answers
51
views
No sound on Windows Media Player after removing unneeded audio streams with ffmpeg
In some .mkv files with multiple different audio streams I removed all the ones I don't need with ffmpeg and only kept the desired audio stream along with the video and possibly subtitles.
The result ...
- 1
0
votes
0
answers
453
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 ...
- 11
0
votes
1
answer
989
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': ...
- 103
0
votes
1
answer
509
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 ...
