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Questions tagged [mencoder]

80 questions
59
votes
5 answers

Is it possible to use ffmpeg to trim off X seconds from the beginning of a video with an unspecified length?

I need to trim the just the first 1 or 2 seconds off of a series of FLV recordings of varying, unspecified lengths. I've found plenty of resources for extracting a specified duration from a video (e.g. 30 second clips), but none for continuing to…
Marcel Ray
  • 1,011
31
votes
5 answers

Speedup a Video on Linux

I don't want to use a player like vlc to speedup the playback. I want to actually speedup playback in the original file; I want the video to be played 2 times faster.
Abhijeet Rastogi
  • 3,675
16
votes
2 answers

Add silence to the end of an MP3

Do any of you know of a way of adding silence of a fixed duration to the end of an MP3, in Linux? For example using MEncoder, FFmpeg, etc? It needs to be command line as it will be scripted and run on our server. I googled around this and the…
Max Williams
  • 3,129
15
votes
3 answers

How to concatenate two flv files?

I want to concatenate two flv files(downloaded from Youtube.com) by Linux command line tools. The ffmpeg tutorial is too complicated, so I tried the mencode tutorial. But I get a empty output. I don't know how to fix the problem. ffmpeg -i…
kev
  • 13,200
13
votes
2 answers

How to see what command-line options handbrake sends to mencoder

I want to see what command-line options handbrake is sending to mencoder. I looked at the Activity Window and it shows a lot of stuff but not what I'm looking for. How can I find it?
tony_sid
  • 14,957
12
votes
1 answer

how do I convert .iso to .mp4 without mounting with ffmpeg

The problem is - I want to convert .iso with dvd to .mp4 (h264/ac3), but I cannot mount it via mount -o loop, because I'm on a virtual machine that doesn't allow to do that. Googling doesn't help. For now I'm trying to use mencoder for the task,…
Kirill Zaitsev
  • 223
10
votes
2 answers

ffmpeg wants to overwrite existing images

I want to make a timelapse movie with ffmpeg. For now I use mencoder with following command: mencoder mf://*.jpg -mf fps=12 -nosound -noskip -ovc copy -o Zeitraffer$begin.avi I'm trying to make a movie with ffmpeg but it seems that ffmpeg wants to…
Chucrute
  • 113
10
votes
3 answers

Add an audio track to an existing MPEG movie (using MEncoder?)

I have an existing MPG (MPEG-1) video file. The video has no sound. I have an audio track (currently in MP3 format, but I could record it in AC3 or some other required format if that's what it will take for it to work). The two files are the same…
Riley Dutton
6
votes
1 answer

VirtualDub for Linux

Is there VirtualDub analogue in Linux? I know there is MEncoder but it runs in console.
Kirill V. Lyadvinsky
  • 5,315
5
votes
3 answers

How to join two video frames into one, so the final video plays two frames as one simultenously

I want to connect two videos into one. Let's take two videos from Youtube as an example. I want my final video to have the height = height of first video + height of second video and width = max(width of first video, width of second video). In the…
Jakub
  • 171
5
votes
1 answer

FFmpeg: h264_qsv encoder and crf issues

I just found out about FFmpeg when recording gameplay on Bandicam using H.264 (Intel Quick Sync) codec. Unfortunately one of my videos ended up being recorded in an AVI wrapper and I wanted to transcode it to MP4 in a somewhat lossless manner The…
KennyG1092
  • 53
4
votes
0 answers

Append JPG to MPG Video ffmpeg/mencoder

I've found a lot of solutions for creating a video from a folder of jpgs, in this case a time lapse stream of photos from a camera. Thats easy, but seems to waste a lot of computing power regenerating the whole mpg ever 30 seconds/minute/etc. Is…
Peck
  • 161
4
votes
1 answer

ffmpeg or mencoder - Convert a video using another one as a reference format-wise

I have two videos from different sources. I want to convert one of them so that its format, codec, framerate are the same as the other one. Is there a one-liner for it (where I can give the "reference" video as option) or what is the best way? I can…
Dan
  • 267
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  • 9
4
votes
2 answers

What is mencoder's -speed option doing?

I need to change the playback speed of a video, but can't use mencoder to do it. Changing the speed that a video plays at seems like the sort've thing that any video encoding software should be able to do, but mencoder is the only one that I've…
blahdiblah
  • 5,501
4
votes
1 answer

Encode HD video to a good format for editing

I have a video that I would like to edit, but it's currently a mov (H.264) file, which makes frame by frame editing impossible. So, I'd like to re-encode it to a better format. I read that DV is a good format for frame by frame editing, but when…
gilly3
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