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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

275 questions
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ffmpeg frame rate issue h264+ass to mkv

I'm using this command for ffmpeg: ffmpeg -i 1.h264 -i ass1.ass -map 0 -map 1 -c copy test.mkv The h264 file is 30 fps... the mkv plays at 25fps so it runs slow The h264 come off my hd webcam. If i change the frame rate on the camera to 25 it…
gezzuzz
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Get subtitles from video (avi, mp4, mkv etc.)

Is it possible to get subtitles from popular video file formats (*.mp4, *.mkv, *.avi etc.) using some library or API to third-party software? Preferable language is Java, but this is not a requirement.
kolobok
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What is the proper command to encode a video for Google TV (Logitech revue) for streaming using mencoder

I am pretty new to Streaming but I have a nodeJS app up and streaming a video that I can see in my browser. It doesn't, however, work on the Google TV browser so I created a Simple Android App using the VideoView and setting the URL to the GET…
Jackie
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How to choose a specific video stream from an MKV file with multiple video streams, using HTML5 video tag?

I have a .mkv file with 2 video streams in it. While playing in browser with HTML5 video tag, how do I select a specific stream ? I have tried video src="1234.mkv#Strem 0" but it does not work
Prashanth Krishnan
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Bash script to search and rename recursively

I have a bash script that converts *.mkv files to *.avi files. Here's what it looks like: #!/bin/bash for f in $(ls *mkv | sed ‘s/\(.*\)\..*/\1/’) do ffmpeg -i $f.mkv -sameq $f.avi done What I need this script to do however, is it needs to search…
justinhartman
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Getting popen to work with mkvtoolnix?

Most Matroska Video Files (.mkv's) nowadays have header compression enabled. This breaks compatibility with hardware players, and so I created a batch long ago "fixing" that by using mkvtoolnix to reassemble the files without using header…
Big-Blue
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How do i bulk remove subtitles using mkvmerge from a certain folder?

I'm quite new to MKVtoolnix, but i have a question. I currently have a .bat file with the following commandline inside: set mkvmerge="C:\Program Files\MKVToolNix\mkvmerge.exe" set output_folder=C:\tet2 for /r %%a in (*.mkv) do call %mkvmerge% -o…
heTT
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FFMPEG two audio tracks, need to amplify English audio track only

I have an .mkv video file with ITA and ENG audio tracks. ITA is the main track and I need to select ENG to listen in English. Even with full volume, I couldn't understand it properly so I used the following FFMPEG command to double the sound ffmpeg…
user227495
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Merge two mkv videos in one but put theme in separate tracks

I want to make a video player that displays more video streams at the same time using the mkv format. I build my app so that when it decodes an Mkv video it puts all frames from a cluster in memory, from what I observe when I read a video with only…
Silviu Petrut
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1 answer

Video - Could not find tag for codec wavpack in stream #1, codec not currently supported in container Could not write file MKV to MP4 with FFmpeg

Trying to convert an hour long MKV file into an MP4 using FFmpeg, but during the conversion process it keeps giving me this error: Could not find tag for codec wavpack in stream #1, codec not currently supported in container Could not write header…
Theagames10
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ffmpeg: combine 2 .m2ts files into one mkv/flac file

I'm currently using ffmpeg -i /mnt/dvd/BDMV/STREAM/00003.m2ts -vcodec copy -c:a flac -ignore_unknown output1.mkv to backup some Blurays and this has been fine for the smaller discs, but I'm coming across ones with multiple .m2ts files that would be…
dimm0k
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Cannot Make Mkvmerge to work on all subfolders

I am a newbie with mkvmerge batch files. Recently I tried to write a batch file to convert ALL *.flv to *.mkv to root and then to all subfolders under it. I googled and managed to come up with this batch file which I copy and change some code. It…
kmleong
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Convert TS-Stream to MKV with ffmpeg

I'm using ffmpeg 3.2.7 and I have a problem converting a ts-file lossless to mkv. The source file is a dumped IPTV-stream recorded with dumprtp (from dvbstream 0.5). ffmpeg -i Test.ts -map 0:0 -map 0:2 -vcodec copy -acodec copy -f matroska…
night4awk
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Hardsub on mkv or mp4?

I want to know why people usually use mp4 for hardsub and mkv for softsub? Which one better for hardsub, mkv or mp4? And why? Which one have the best performance for low-end device?
Farisa Azmi
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how to mkvEXTRACT.exe specific tracks via batch?

So here is the deal... I'm trying to extract specific tracks from mkv container via batch script using mkvextract.exe and the only way I can think about is to extract part of tracks via batch and rest of them manualy (this costs me a lot of time).…
player0
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