Super User Stack Exchange
Super User Stack Exchange

Questions tagged [avidemux]

Avidemux is a free video editor designed for simple cutting, filtering and encoding tasks.

25 questions
20
votes
1 answer

FFmpeg/avidemux: fix packed B-frames

I'm transcoding some of my old mpeg4 videos (in avi containers) to h.264 with FFmpeg. Basically ffmpeg -i input.avi -c:v libx264 [x264 settings] -c:a libfdk_aac [aac settings] output.mp4 When doing so, mpeg4 issues the following warning Video uses…
4ae1e1
  • 1,586
  • 2
  • 14
  • 31
6
votes
1 answer

Non-monotonous DTS in output stream

Summary of the bug: Hello, I've created a network with the mininet simulator on ubuntu 14.04lts. In this network, I want to transfer video between two hosts. I used vlc in Sender host and I used ffmpeg in Receiver host. When I run the ffmpeg, I get…
sana
  • 161
  • 1
  • 1
  • 4
4
votes
1 answer

How to multiplex subtitles with avi or mp4 in Linux?

I have been searching something which can multiplex subtitle with video files in Linux environment. The key thing is that it should softly embed the subtitle to video, not encode again. (like avidemux). After this multiplexing process, user should…
Onur Senture
  • 141
  • 1
  • 5
3
votes
1 answer

How to merge MP4 files with different bitrates?

I want to merge two or three MP4 videos with MPEG-4 AVC video codec and MP3 (sometimes MP3 Surround) audio codecs. Both audio and video can have different bitrate. If it will be possible, without transcoding. I already tried using FFmpeg, MP4Box and…
Jakub
  • 131
  • 1
  • 5
3
votes
2 answers

Avidemux, play only selection?

I am trying to use Avidemux to create a clip from a larger video. I can select position A and position B, but I do not see a way to simply play only what I have selected. To answer a question How are you creating a clip? With Avidemux you select…
Zombo
  • 1
  • 24
  • 120
  • 163
3
votes
2 answers

How to merge MP4 files with different frame rates and different audio sample rates

I have four MP4 files called "file_1", "file_2", "file_3" and "file_4" and I wish to merge them into one file in the following order: file_1, file_2, file_3 and file_4. file_1 has the following characteristics: frame width = 640 frame height …
Rob42
  • 61
  • 1
  • 2
  • 3
3
votes
2 answers

Enable H.264 (or x264) in AVIDemux

I am trying to get AVIDemux set up with the X264 codec using this tutorial. The following is what goes down when I get to the ./configure --enable-mp4-output command Thomas-Phillipss-MacBook:x264 tomdabomb2u$ sudo ./configure…
Thomas
  • 247
  • 4
  • 15
3
votes
2 answers

Cut part of audio track in MP4 file

I have an .MP4 file with one video track (H.264, 25 FPS) and one audio track (MP2). The total length is ~2:52 (two hours, 52 minutes). I've noticed that A/V is synchronous before ~2:34 but async afterwards, i.e. audio is late ~0.3 s. My plan was…
user674865
2
votes
0 answers

How to convert jpeg images in a slideshow video with transition effects

I have some jpeg images and I want to create a slideshow video. I want a crossfade between images. What I tried : Mencoder : I did this command mencoder mf://*.jpg -mf fps=25:type=jpg -ovc x264 -x264encopts bitrate=1200:threads=2 -o outputfile.mkv.…
Dougui
  • 233
  • 1
  • 2
  • 11
2
votes
2 answers

Avidemux changes colors in my video?

I'm just using avidemux to crop some video that has black borders, but for some reason, the colors change horribly the minute Avidemux gets hold of the footage. Before: During: After: The first screenshot is from Windows Media Player playing the…
Yamikuronue
  • 507
  • 1
  • 7
  • 15
2
votes
1 answer

How to merge three mp4 files with same encoding/codex by Avidemux using command line?

Assume that one has three mp4 files with the same encoding/codex, say file1.mp4, file2.mp4, file3.mp4. How can one merge these files into a single mp4 file, using command line by avidemux?
Name
  • 433
  • 1
  • 6
  • 15
2
votes
1 answer

How can I use Avidemux to recompress H264 videos with similar quality?

I have a bunch of videos taken with my phone, and they're pretty massive given their length (eg. a 3 min video at 1920×1080 is over 400MB). I presume this is because the phone favours battery life and quality over storage space, so I figure I could…
detly
  • 513
  • 3
  • 8
  • 24
1
vote
2 answers

How do you convert AVI to FLV using Avidemux in Windows?

I've tried the tutorial but there seems to be a specific file that has to be associated with Avidemux. I'm using version 2.5.1 (r5249)
user4100
  • 541
  • 1
  • 6
  • 11
1
vote
0 answers

How to remove section of audio from video file?

I have a short video clip with audio. Towards the end is a voiceover that I want to remove. I'm trying to use avidemux to edit this, but I don't see any way to remove just a portion of the audio. Everything is all on a single stream. The closest…
qazmlpok
  • 111
  • 3
1
vote
0 answers

Batch Avidemux - What am I doing wrong?

I'm trying to make a batch file that runs through a set of mkv files and hardsubs the embedded subtitles into outputted mp4 files, using Avidemux and MKVToolNix. Here is my batch file: set avidemux="C:\Program Files (x86)\Avidemux…
Suchipi
  • 1,164
  • 1
  • 14
  • 31
1
2