1
vote
0answers
28 views

Is there multiple types of transitions in ffmpeg while merging two or more videos?

I have 3 video files. I am using ffmpeg library to merge them all. While merging them right now I am using fade In/Out transitions only. I want to enhance that feature in my site, can I do ...
1
vote
1answer
158 views

crossfade between 2 videos using ffmpeg

I've been trying to achieve a crossfade transition between 2 video clips using ffmpeg but have failed so far. I'm new to ffmpeg and am mostly relying on tweaking what I can find in the documentation ...
0
votes
1answer
31 views

How to replace part of audio in a video using the command line?

Part of a recorded audio contains sensitive information. I want to remove that information while keeping the video and rest of the audio intact. Ideally using command line and being able to exactly ...
1
vote
1answer
106 views

Apply fadeout effect to video at multiple places

I have a video of 12 seconds, frame rate is 30 frames per second. I want to apply fade out effect to video on multiple places, for example from second 3rd to 4th and from second 7th to 8th. Have a ...
0
votes
1answer
55 views

Cut WMV file into segments based on frame numbers and reencode to x264

I've done a bit of work with FFMPEG in my days and I am somewhat familiar with VirtualDub as well as high-end products such as Sony Vegas. However, I still can't figure out a simple and ...
1
vote
1answer
279 views

Video concatenating, with overlay

I have a video recorded from a gopro which is split into 3 parts as the maximum filesize is reached after about 17 minutes and the gopro automatically splits it into multiple parts. I also have a ...
2
votes
1answer
230 views

ffmpeg buffer overflow when trying video overlay

I am trying to overlay a video onto another video by using filter_complex. But it doesn't do overlay properly and says 'Buffer queue overflow'. It works fine if I remove delay by not using -itsoffset. ...
3
votes
1answer
194 views

Crop triangular area with FFMPEG

Is it possible to crop a triangular area from a video using ffmpeg filters? I have to crop this area from an input video 1920 x 1080, then I've to rotate this area of 90 degrees four times. The ...
0
votes
1answer
125 views

delayed video overlay using ffmpeg

I am wanting to overlay one video onto another but with a delayed appearance. I have: source1.mp4 which is of duration 20 sec. source2.mp4 which is of duration 5 sec. I want to create a final ...
0
votes
0answers
491 views

FFMPEG fade between images

I need to do cross fade transition between two images and followed this link which works perfect for two images. ffmpeg -loop 1 -i input0.png -loop 1 -i input1.png -filter_complex ...
1
vote
1answer
241 views

How to make left-right transition of overlay image ffmpeg

I have used the below command to make a left to right transition of overlay image over a video. ffmpeg -i Test.mp4 -i transparent.png -filter_complex "overlay=x='if(gte(t,0), -w+(t)*100, ...
3
votes
1answer
1k views

How to split videos with FFmpeg and -segment_times option?

I try to split a video with FFmpeg and the -segment_times option like it's shown in this FFmpeg ticket. But it's not working, the error output isn't helpful and the resulting output is a single ...
7
votes
3answers
1k views

Automatically split large .mov video files into smaller files at black frames (scene changes)?

I have 65 .mov video files named tape_01.mov, tape_02.mov, ..., tape_65.mov. Each is about 2.5 hours long and takes up many gigabytes. They are digital copies of what were VHS tapes (my family's ...
1
vote
1answer
173 views

pasting audio from one video file to another with a known time offset

I have two video files that also have audio tracks. I would like to copy the audio track of one file to the other with a 5000msec time offset. The only problem is that the video files does not have ...
6
votes
3answers
2k views

How can I remove multiple segments from a video using FFmpeg?

I am trying to delete a few sections of a video using FFmpeg. For example, imagine if you recorded a show on television and wanted to cut out the commercials. This is simple with a GUI video-editor; ...
1
vote
1answer
1k views

ffmpeg - concatenating two MP4 files results in bad output file

I generated two MP4 files - a five-second intro file, which is created by the script below, and the main video (about one minute long) is created by screen-cast-omatic, both in MP4 format. When I ...
0
votes
1answer
168 views

Cropping video to different parts with same bitrate in ffmpeg

I am trying to crop a video clip (originally 960 by 540) in two 4 parts (top-left, top-right, etc..) and I use this command below (with of course corrext x/y positions): ffmpeg -i mov_a.m4v -vf ...
2
votes
1answer
165 views

Find video file position using an image match

What would be the best tool / method to automatically find a position from an video file, where the frame approximately matches* a given image? Basically, a command to: "Find the position where ...
1
vote
0answers
320 views

FFmpeg x264 Encode Settings

My new Canon Vixia HF G30 video camera has an option to encode directly to 35 Mbit/sec Mp4 at 1080p60 and it does a nice job. I primarily use it to record my daughter's high school basketball games. ...
2
votes
2answers
135 views

How to create a composition of movies?

Suppose I have got two videos (AVI format if that matters), say movie1.avi and movie2.avi. movie1.avi has a framerate of 10fps. movie2.avi also has a framerate of 10fps, but has been speed up ...
0
votes
2answers
258 views

How to batch insert same clip scene at the beginning of multiple videos?

Well, it has been a few days researching on a suitable auto or semi-automatic way of mass merging files this way. Basically, what I want to achieve is inserting the same clip, before a bunch of other ...
1
vote
0answers
169 views

Trimming videos - quicktime vs. mplayer/ffmpeg stack

I have several mp4 video files (H.264, AAC) from which I want to trim a few seconds at the beginning and the end. I used Quicktime Player 7 and MPEG Streamclip for this. The generated files are a bit ...
3
votes
0answers
511 views

Accurate and reliable movie editing with avconv

I'm trying to perform movie editing in an automated way with avconv. It is made in two steps: extract some parts of an input movie: concatenate the parts to form an output movie: I tried some ...
0
votes
1answer
437 views

Extracting images from video in 1 minute intervals

I would like to extract images from a video Exp01.avi, the video is 24fps and 25 minutes long. I want the images to be extracted from the video after every 1 minute interval. Please someone tell me ...
2
votes
1answer
219 views

Linux - Cut video from end position

I have been looking at different video cutting command line tools for Linux and I can't seem to find any which supports the operation of cutting a video from the end. For example, i have 10 videos ...
3
votes
0answers
313 views

Ffmpeg sync error, first image showing really fast

I want to converting my images with mp3 to videos... but first slide is showing up really fast. I want to each slide duration 5-7 seconds or so RAW material MP3 Files My list Images FFmpeg ...
0
votes
1answer
1k views

Lossless universal video format

I am trying to find the most suitable lossless video format for 1280x720 25fps video. The video has 4 minutes. Sound will be 320 kbps mp3, that is not a big deal. Ideal conditions: Lossless (can be ...
4
votes
1answer
9k views

How to cut at exact frames using ffmpeg?

I'm trying to use ffmpeg to cut video files at precise times. The ffmpeg help shows an option -timecode_frame_start to specify the starting frame but I am unable to get this command to work. The ...
2
votes
0answers
363 views

problems encoding 1080p60fps MTS files with ffmpeg to DNxHD proxy; plays too slow in NLE compositor window.

I was advised to encode my HD files with ffmpeg to DNxHD proxy with 220M bitrate rather then 45M so the image doesnt have too much artifacts. I reduced the framerate to 29.97 fps when I encoded the ...
0
votes
1answer
397 views

ffmpeg trimmed video does not support jumping to a time position

After a video is cut, the player (mplayer) cannot jump to a specific time position anymore. Clicking the timeline will usually end the playback. How can this be fixed?
3
votes
2answers
2k views

ffmpeg to join videos

I previously learned that FFMpeg can join videos: However, I am attempting to join recorded over-the-air broadcasts (.ts files), and I believe that minor hiccups in signal quality are causing FFMpeg ...
2
votes
1answer
758 views

Unable to cut out part of video with ffmpeg

What I want to do I'm trying to cut a video for a science project under Ubuntu 11.10 with latest ffmpeg, I also tried Kino and avidemux where the video failed to even open properly although it plays ...
1
vote
4answers
665 views

Progressively Accelerate Video with ffmpeg

I'm currently trying to make a time lapse video. This can be done fine with iMovie, however, I'm having one simple issue. Is there any way to accelerate a video progressively with any open source ...
15
votes
4answers
19k views

Cut part from video file from start position to end position with FFmpeg

I have a video file of 30 minutes, but I want to extract a video from 00:09:23 to 00:25:33. I can define the startposition with -ss, but I couldn't find one for the end position. Any help please?
1
vote
1answer
818 views

Aspect ratio of video sliced with FFmpeg unintentionally changes

I am trying to extract a small part from a larger video without changing the codecs, resolution or something else. Therefore, I use FFmpeg with the following settings. ffmpeg -vcodec copy -acodec ...
1
vote
0answers
205 views

High quality video frame grab under Linux

There is a software (I suppose there are more) under Windows, which claims to take high quality frameshots from videos, called Moment I suppose it works in a way that it takes a set of consecutive ...
3
votes
2answers
1k views

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 ...
4
votes
3answers
10k views

Rotate a video file 90 degrees using Ubuntu

I want to use Ubuntu and preferably standard packages such as ffmpeg to rotate a .3gp video file by 90 degrees in any direction. Preferably a command line or Python script. How can I do that?
3
votes
1answer
2k views

How can I fix Problems with interlaced video jerking/flicking when playedback on DVD players? (Mixing own DVD from raw footage)

I'm trying to make a DVD and the final DVD jerks when played on standalone DVD players. It seems to play fine on PCs. I think the problem may be to do with interlacing settings when rendering the ...