All Questions
94
questions
0
votes
0
answers
45
views
extracting DTS-HD MA tracks from mkv files
I’d like to extract the DTS-HD MA tracks from several mkv files ripped from Blu-rays, and I’m looking to preserve to original audio quality.
I’ve extracted the tracks with FFMPEG and MKVToolNix.
For ...
- 1
1
vote
0
answers
33
views
VMAF Quality Loss when applying bicubic interpolation to a video when upscaling with ffmpeg
First of all, I'm a bit of a beginner to this specific topic therefore any advice would be greatly appreciated!
For a project that I've currently been working on, I've been essentially trying to ...
0
votes
1
answer
20
views
MKV Audio track stop playing
I have a show with two sources, Blu-Ray and DVD. Blu-Ray doesn't contain the correct audio language but DVD does. I want to add the DVD audio track to the Blu-Ray. So I have decided to rip them.
Using ...
- 1
1
vote
1
answer
148
views
Why is it when an MKV video converted by FFmpeg to MP4 only plays on VLC media player?
I have a video in MKV format that I wanted to convert to MP4, so I used ffmpeg to convert it. The command I used was pretty simple:
ffmpeg -i <path_and_name_of_file>.mkv <...
- 13
0
votes
1
answer
108
views
Converting audio tracks only in mkv files to AC3
I have an LG CX TV. The internal video player does not recognise DTS audio format. I'd like to be able to play MKV files (which might have DTS audio tracks) from an external USB device. I was looking ...
- 1
0
votes
0
answers
59
views
Encoding MKV File Without Changing Header Information
I captured a video using a Kinect Azure SDK device. This captured video (.mkv container) has three tracks: Color, Depth and IR. I extracted the Color track using MKVToolNIX. I could playback this RGB ...
2
votes
1
answer
254
views
When copying all streams from a mkv contained to another mkv container, original cover thumbnail stream gets copied, but does not get visualized
So, to simplify the topic for this question, I am using a simple command that only copies all the original streams and puts their copies in a new mkv container.
The original cover.png stream is still ...
- 21
0
votes
0
answers
126
views
Telling FFMPEG to process all audio tracks with the same parameters as in the source and changing only the parameters I specified
I have an MKV file with 3 audio tracks (AAC stereo, stereo and 6ch) and use a following command line:
C:\Program Files\ffmpeg\bin\ffmpeg.exe -hide_banner -loglevel info -y -i "%1" -c:v copy -...
- 944
0
votes
0
answers
230
views
Change 50fps video into 25fps and keep the duration without reencoding
I have a 50fps video, where every second frame is a duplicate of the previous frame. I want to upload this video to youtube and I want youtube to think it's a 25fps video. Is this possible?
For ...
- 85
3
votes
0
answers
577
views
null bytes in .mkv file
I recently downloaded a movie (.mkv), it works perfectly on VLC Android, but after I moved it to my computer (with adb), mpv could not run it (Failed to recognize file format), nor parole (GStreamer ...
- 31
1
vote
1
answer
215
views
FFmpeg does not copy over chapter atoms when I try to remove subtitles
I have some videos encoded from The Criterion Collection, and their videos use these things called "chapter atoms". What is really odd is that ffprobe does not detect these. I assume that ...
- 11
2
votes
1
answer
1k
views
Disable all subtitles (softsub) in .mkv, .mp4 files
I have several Movies/Animes with many subtitles, and I want disable all (not remove) subtitles in a batch (.bat file); below current code:
for %%a in (*.mkv, *.mp4) do (
REM disable subtitles
)
...
- 125
2
votes
2
answers
6k
views
Is there a way to extract subtitles from an MKV while maintaining the original format?
I am trying to extract (first, in case of many) subtitle track from mkv files (via CLI only, no GUIs) using ffmpeg or mkvextract.
But there is one downside to this: I have to write the output name ...
- 145
2
votes
1
answer
431
views
Old family videos with no audio... any hope of recovering the audio?
I have limited experience but have used simple tools like mediainfo and ffmpeg before, though I don't usually know what is happening.
I dug up some old digital video files of family members that are ...
- 299
0
votes
1
answer
517
views
Trouble with splitting a .mkv file in half with FFMPEG using one command, had to do it one at a time with a slightly different command
So I have a ~400GB .mkv file I wanted to upload to YouTube, unfortunately for me YouTube has a 256GB limit. So I Googled if I could split the file with FFMPEG and found the following article (FFMPEG ...
