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

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0
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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 ...
1
vote
2answers
695 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 ...
7
votes
3answers
2k 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
0answers
9 views

Change aspect ratio (16:9 to 4:3) and zoom in particular side

I have some video that have been altered during conversion process. It was initially 4:3 but it was damaged, so now they are widescreen. But if I convert it to 4:3 I need to stretch it out ...
0
votes
1answer
29 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 ...
20
votes
5answers
30k 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?
0
votes
1answer
71 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
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0answers
28 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
186 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
30k 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
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0answers
23 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
654 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
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2answers
40 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" ...
0
votes
1answer
51 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 ...
1
vote
1answer
48 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
59 views

How do I hyperlapse a video file on Windows?

Hyperlapse is a somewhat recently developed timelapsing technique that removes jitters.
0
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1answer
45 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 ...
3
votes
2answers
309 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
8 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
14k 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 ...
8
votes
1answer
5k 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
631 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, ...
5
votes
1answer
12k 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
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2answers
105 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
4k 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
439 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
431 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
2k 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
192 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
139 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
13 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
3k 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
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0answers
40 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 ...
0
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0answers
15 views

Adding a logo to a WMM video

Please could someone help me to establish how to add a logo to a video that has been imported into Windows Movie Maker? I have imported a video and edited it, now I need to add a logo to the entire ...
0
votes
1answer
155 views

Does anyone know of a good app/tool that allows you to edit MP4 files? [duplicate]

Possible Duplicates: How can I merge two mp4 files without losing quality? Which free video editing tool can I use in windows to slice an mp4 file? I need to be able to increase the ...
0
votes
1answer
71 views

Video Editing Application for Mac [duplicate]

Possible Duplicate: Video editing software for Mac OS X Hi, Which video editor application for Mac OS X would you recommend to add special effects to existing video. This is for a teen so ...
0
votes
2answers
51 views

Can I calculate how much RAM video editing will use?

Is there any way to calculate RAM usage for the following: 1080p @ 60 FPS: (1920 x 1080)px x 60 FPS x 3 bytes/px / (1024^2) = 356 MB/s I will be using 70 GB raw video, on Final Cut.
4
votes
1answer
964 views

Put loudness of many video files to the same level

I have a bunch of video files, and in some videos the sound is loud, in the others—not. So a user has to change the volume of her player when she watches these videos in the playlist. I want to ...
5
votes
2answers
621 views

Scratch disks on solid state drives

For something like Final Cut Pro where you have scratch disks, is it absolutely a bad idea to use a solid state drive? There would be a lot of writing, but I'm thinking it would be less for video ...
0
votes
0answers
14 views

How to cut video using ffmpeg [duplicate]

I have a video file of 2 hours, but I want to remove the time from 00:45:00 to 01:05:00 and from 01:50:00 to 02:00:00. How can I do that? Please help.
3
votes
2answers
2k views

Extracting A Clip From An MP4 File In Linux on Kubuntu 11.10

I'm running KUbuntu 11.10 Linux. I would like to extract a clip from an MP4 file. I tried this command: myCLIPrompt:~/Downloads/temp/clips$ mencoder -ss 00:43:13 -endpos 00:02:12 -oac copy -ovc ...
0
votes
0answers
55 views

Adding an image around a video with padding filter

I'm using padding filter in ffmpeg. How can I put an image around the video instead of black borders? My code: for %%a in ("*.mp4") do ffmpeg -i "%%a" -y -ss 1 -b:v 2000k -filter:v ...
1
vote
2answers
3k views

How can I split a large video files?

I have a TV set that allows me to plug in a USB hard drive and will play movies in it. It supports a surprisingly wide range of codecs, but as I learned yesterday (the ugly way), while it'll play ...
2
votes
1answer
3k views

Rotate MP4, and change dimensions

I have an MP4 video that was filmed on my Android phone, but the guy filmed it holding my phone some weird way. When viewing it in QuickTime I have to rotate my laptop 90 degrees and then I will see ...
0
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0answers
33 views

How can I copy a clip or titles from one kdenlive project to another?

Is it possible to copy clips/titles from one timeline to another in kdenlive without rendering? How can I do it?
4
votes
1answer
390 views

Split Up a Video Using FFMPEG through Scene Detection

I saw this thread, which almost exactly does what I want, but I'm actually looking for splitting on scene detection. Automatically split large .mov video files into smaller files at black frames ...
3
votes
2answers
2k views

How do I swap the first and second audio streams in an MKV in a Linux based system?

I'm using plex. Plex seems to ignore the default audio stream (on Roku) and instead just use the first audio stream. This is per my testing using mkvpropedit. Since Plex does not currently support ...
4
votes
1answer
40 views

When encoding a video, is there a way to know the resulting file size in advance?

Is there a way to know how large your resulting file size will be before your video is finished encoding? BTW: I am using Microsoft Expression Encoder.