Questions about video editing software and their related topics, not to be confused with [video-conversion].

learn more… | top users | synonyms

0
votes
1answer
2k views

Sound out of sync after merging multiple mp4 files with Avidemux

I am trying to join (merge) two or more .mp4 files together, without re-encoding. Here is what I did: Started Avidemux 2.5.5. With File->Open, selected Input1.mp4. I received this message - "H.264 ...
0
votes
1answer
157 views

How can I change containers without losing quality?

Trying Premiere Pro but can't seem to let me import .mkv or .mp4... So, I wonder if it's possible to just change containers without losing any quality at all. Let's say a .mov container? Video is ...
0
votes
0answers
7 views

Blender Video Editor Images not showing

When I made and saved a video using Blender's video sequence editor, I closed it down, but then the next day the images below overlays wouldn't show up. Is there a way to fix this?
0
votes
0answers
25 views

Setting up a simple 10 Gb network for collaborative video editing

We have a team of five people working on the same video editing project (using Lightworks). Our current setup technically works, but not well: the video jiggles up and down as it plays and sometimes ...
0
votes
1answer
36 views

avisynth - video framerate doesn't match (AssumeFPS - ChangeFPS)

I am trying to speed up only certain frames in a video without splitting it into several parts, here is the code that I used to do this AVISource("C:\Users\me\Desktop\source_10FPS.avi") # get the ...
1
vote
2answers
154 views

ffmpeg to split mp4 file into segments… after first segment, audio unsynced

Nb: I incorrectly asked this question at stackoverflow I've used the ffmpeg command line shown in this question to split MKV files perfectly for a long time. Now i have some MP4 files that i'd like ...
4
votes
1answer
3k 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
39 views

Extract the frame (in image format) at exactly every minute (or second) from a video (by ffmpeg)

Motivation: I would like to seek the frame, then take high quality and exact time screenshots (images) from a video. The video is length is 00:48:43.71 and 23.98 fps (we can think it is 24 fps, isn't ...
0
votes
3answers
37 views

Rotate a video with ffmpeg is slow

I am using ffmpeg for rotating a video 90 degree so input this code ffmpeg -i in.mp4 -vf "transcode=1" out.mp4 This is so slow like re-encoding. I added -c copy to make it fast but I have had an ...
0
votes
1answer
21 views

ffmpeg recompile video and voice

I am using Ubuntu vivid on my laptop and I want to recompile audio and voice with delayed audio. Movie was late comparing to audio. I demuxed voice.aac and video.h264 from orginal video. I know that ...
0
votes
2answers
101 views

How/where does a GoPro camera store HiLight tags?

My Question in a Nutshell How/where does a GoPro camera store HiLight tags? Where I have Looked for the HiLight Tags I have already tried to find the created tags in the following locations – to no ...
1
vote
1answer
70 views

How to efficiently and automatedly join video clips using short transitions?

I am looking to join a set of video clips (with audio) using some short transitions (ideally crossfade) in a straightforward, automated and efficient way. IE: ClipA ---> ClipB --> ClipC ...
0
votes
1answer
27 views

FFMPEG no audio in final output

I have the following FFMPEG command working. ffmpeg -y -i slide.mp4 -f lavfi -i "color=c=black:s=1920x1080:r=25:d=1" -filter_complex "[0:v] setpts=PTS-STARTPTS [main]; \ [1:v] ...
4
votes
4answers
12k 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?
0
votes
1answer
93 views

How to cut unwanted video parts and join the rest ones into one video using FFmpeg?

I have read about cutting and splicing using concat but this is not enough for me. I would like to cut marked video parts and join into single video file without re-encoding. Is it possible to cut ...
7
votes
4answers
3k 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 ...
0
votes
1answer
57 views

Prevent Blur in Gameplay .mov

So I've been uploading videos of Hyrule Total War onto Youtube, but keep experiencing a bunch of blurring of my video when I move the camera. After recording in FRAPS, the raw footage looks perfect, ...
26
votes
6answers
38k 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
2k views

What is a good way to split the .wtv files for Media Center PC recorded TV programs that are 25GB? [closed]

I am using Windows 7 and recording some winter Olympics programs on TV. A lot of times, the programs can be 17GB or 25GB long. (now the extension is .wtv) What if I want to just keep 2 minutes of ...
0
votes
1answer
744 views

Best video/audio editing software for Windows 7 64-bit to make the volume on different clips the same and joining them without quality loss [closed]

I'm looking for a program that can analyze the volume on various videos and then make them all the same and a program that can join them without quality loss. I've tried a lot of free ones but they ...
0
votes
0answers
55 views

Error (0xC0150004) when I open most video editing software

I have tried to find multiple fixes for this to no avail. I ran CCleaner, did a clean boot, and still nothing. I have also tried reinstalling the Visual C++ libraries, but I was uncertain of whether ...
1
vote
2answers
783 views

Program to join TS videos using command line

I have a need to join .ts video files. I know of http://www.ffprojects.net/tssplitter/ which works very well, but as far as I can tell it is GUI only. I need to be able to do this from the command ...
0
votes
1answer
31 views

Merging files doesn't work - apparently

I have 2 .AVI files - one 625 MB (duration 1:02:45) and the other 925 MB (duration 1:32:12). I wish to combine the files into one .AVI file. In a command window I issue the command: copy /b *.avi ...
0
votes
1answer
170 views

Command to create video from images with background video and audio

I am using ffmpeg in my Android application. I want to create video from images with background video and audio. Images are overlaid on video with borders. Video and audio will be repeated until all ...
1
vote
0answers
42 views

FFMPEG results in a black video from converting images

I am attempting to create an mp4 video from a sequence of images numbered 1 to 100. The problem is that I keep on getting an output video that is black. Each images is as such all the way to 100. ...
1
vote
1answer
222 views

How to use an image as title using MLT/melt video editing tool?

I'm just beginning to use the MLT/melt command-line tool to edit some pretty simple videos. I found how to join several video clips, how to set a fade transition between the different clips, the only ...
6
votes
4answers
34k views

Combining video and subtitle files as one video?

I have a video file (in the format of .mp4, .mkv, .avi or whatever) and a subtitle file (.srt). I want to embed the subtitle file into the video file so that I have only one file - the video file in ...
0
votes
0answers
52 views

Stop Compression: Google Drive Videos?

Is it possible to stop the compression of Google Drive videos? I uploaded an 18.4MB video in mp4, that was already compressed, and google drive added further compression, resulting in a block effect ...
1
vote
2answers
656 views

How can I join WMV files in Windows?

How can I easily join video files with WMV extension in Windows?
0
votes
4answers
2k views

How to produce a quicktime .mov from .iff files?

I have a series of Maya .iff files and would like to mash them into a .mov - the caveat of course is that I'd like to use something free (for now). I'm sure QuickTime Pro is easy & high quality, ...
0
votes
2answers
124 views

Adding subtitles for multiple mkv files by MKVmerge using terminal

I'm trying to adding subtitles for multiple mkv files. I use this script for doing this : for file in *.mkv; do "/Applications/Mkvtoolnix-7.0.0.app/Contents/MacOS/mkvmerge" -o "${file%\.*}(1).mkv" ...
1
vote
1answer
119 views

Issues splitting a video into multiple, less than 10 second parts when using FFmpeg

I am trying to split a video into multiple parts, however, when I set segment size to less than 10 seconds, it generates segments of 10 seconds. It works if the segment size is greater than 10 ...
-1
votes
1answer
86 views

How do I hyperlapse a video file on Windows?

Hyperlapse is a somewhat recently developed timelapsing technique that removes jitters.
3
votes
2answers
342 views

Tool to fix audio sync for small portion of video file

I am trying to fix an audio sync issue for a video file that is off by a second from the 25th-26th minutes of a 30 minute file. I have looked at a few different tools such as avidemux etc. I see ...
0
votes
1answer
11 views

How do I cut clips using its position from a video?

I have a lot of clip positions that I have to extract from a single video, how can I automate the whole process? As of now I have to manually cut each clip using its position, but as my number of ...
20
votes
3answers
15k views

Command-line video editing in Linux (cut, join and preview)

I have rather simple editing needs - I need to cut up some videos, maybe insert some PNGs in between them, and join these videos (don't need transitions, effects, etc.). Basically, pitivi would do ...
9
votes
1answer
6k views

Accurately cut video files from command line

I'm having trouble finding a cli application that can take a video file (avi, mkv, and mp4 preferably) and cut out very short clips (2-6 seconds) with precision time accuracy. I've tried ffmpeg, ...
2
votes
1answer
809 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, ...
6
votes
1answer
14k 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 ...
0
votes
2answers
124 views

Partial video editing without transcoding

is it possible to do partial edits to each frame of video (e.g. adding a logo) without transcoding? And save video with the same format? I mean, pixel positions of each frame are calculable; so is it ...
12
votes
4answers
5k 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; ...
2
votes
1answer
531 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. ...
5
votes
1answer
2k views

How to embed an audio and a subtitle file into a MKV file

I have a MKV file in which I want to embed an AC3 audio file. I also want to embed a SRT subtitle file into it. How can I achieve that? Note: AC3 file is the same length of the original video.
-1
votes
1answer
448 views

Any (free) alternatives to MS powerpoint 2010 Exaltnow 1.5 plugin? (playing videos across slides with text) [closed]

I need to play a video across multiple slides with text on top of it. The problem is that I am the average consumer with-not-so-many money to spend and all those plugins cost like $150 u.s and even ...
2
votes
1answer
3k 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 ...
3
votes
1answer
195 views

Using hardware encoders with third party apps?

I have the Avermedia Live Gamer HD (C985) PCIe Hardware Encoder that I used for video gameplay stream. If I used the new XSplit 1.1, in CODEC settings, I can choose Avermedia Encoder. If I use the ...
1
vote
1answer
211 views

fade in png with transparency into an mp4 video

I am trying to overlay a png file with transparency into an mp4 video the original video is 20sec and I want to overlay the transparent png from 00:10 to 00:20 of the original video, with the 00:10 - ...
0
votes
0answers
19 views

Align videos basing on audio in OpenShot

I have two videos of the same event (~same audio) from two different cameras. Is there a chance to align those videos on OpenShot timeline automatically, basing on audio track, or do I have to do it ...
0
votes
3answers
4k views

How to export video with best quality at smallest file size in Final Cut Pro X?

I have two clips of mp4 video. Each clip is 150 MB. I want to combine the two clip into one, which will make a 300 MB file, logically. I use Final Cut Pro X to achieve this. The result is an ...
0
votes
0answers
57 views

Wav files recorded with Zoom digital audio recorder registers no volume in my PC editing system

I am a video editor. I paid an audio pro to record voice-over for me, which he did using a Zoom recorder. He played one for me from his Zoom and it had volume. The wav files transferred to my media ...