Greatest Hits

399 votes
1 answer
560k views

How can I crop a video with ffmpeg?

I have an MP4 file of a screen recording that I need to crop. How can I do this with ffmpeg?
stephenwade's user avatar
  • 4,099
40 votes
2 answers
271k views

How do I set up and use FFmpeg in Windows?

I understand that FFmpeg is a powerful tool for video file conversions. I see online in many places people suggesting it for solutions or getting help in how to use it. The problem is, I don't even ...
user3643's user avatar
  • 2,204
112 votes
6 answers
266k views

Repeat/loop Input Video with ffmpeg?

I just want to loop a mp4 video with ffmpeg and keep the current settings and codec. For example if input.mp4 is 0:10 long, and I would want to loop it 4 times so output.mp4 is 0:40 long, how could I ...
Thomas King's user avatar
  • 1,231
14 votes
3 answers
111k views

Can't apply transition effect between clips in Premiere Pro

This is really annoying me a lot. I have two clips with the exact same properties next to each other. I usually add a 'dip to white' transition between clips, but somehow I can't apply it between ...
Gerlof Leuhof's user avatar
10 votes
3 answers
64k views

What sequence presets I must use with a GoPro and Adobe Premiere Pro CS 5.5?

I use a GoPro which output is mp4 files. I want to edit these movies into Adobe Premiere Pro CS 5.5. I'm a little lost about sequence presets to use. I've got the choice between Digital SLR, AVCHD, ...
Jerome C.'s user avatar
  • 201
11 votes
6 answers
224k views

How do I 'downgrade' an Adobe Premiere Pro project file to open in older versions?

Is there any way at all (perhaps with a plugin, paid or otherwise) to save an Adobe Premiere Pro project file so that it's compatible with an older version of the software? The scenario I have is that ...
Ankur Banerjee's user avatar
4 votes
1 answer
48k views

Calculating duration when changing playback speed

This maybe a pretty simple question, but I can't get around it for some reason. When I speed up a video to say 1.5x or 2x, how do I get the total time that video would take?
karun mathews's user avatar
6 votes
2 answers
87k views

Clips appear "zoomed" in program monitor (Premiere Pro)

This is frustrating the crap out of me. I'm putting 1920×1080 clips into a 1920×1080 sequence. There are also some 2560×1440 clips in it, and those actually display correctly, but the 1080p clips ...
Dorianha Bogelund's user avatar
75 votes
2 answers
166k views

Add an image overlay in front of video using ffmpeg

I have many videos and I need to put an image in front of them for about 5 seconds, but adding it manually and rendering it each time would take really long, so I am asking if it is possible to do so ...
Azthy's user avatar
  • 753
57 votes
3 answers
172k views

Fix bad files and streams with ffmpeg so VLC and other players would not crash

It happened me many times that I could end up in corrupted video files: video downloaded from official sources but with torrent and for some reason not all the pieces are there in .mkv, .ts or .mp4 ...
user3450548's user avatar
  • 1,660
4 votes
2 answers
81k views

Can not render After Effects CC project as mp4 / h.264 any more?

I've made a 2 minute video on After Effects CC. There is no option to save using depreciated formats. Other answers suggest going to: Edit -> Preferences -> output -> enable Show Deprecated ...
Patrick Keane's user avatar
17 votes
7 answers
88k views

Adobe Premiere Pro CC - Crop a video and export at the exact cropped size

I have a video that has 4 up-down-left-right black borders of different sizes. I want to get rid of these black borders so the exported file has the exact size of the cropped area. To do this, I ...
Oliver's user avatar
  • 283
12 votes
5 answers
171k views

How can I merge/link two video clips in Premiere?

Every time I search this problem in Google the only options are how to link audio clips to video or how to sync audio to video clips. I need to combine/link/merge a picture to a video clip, so that ...
BigBeanie's user avatar
  • 141
10 votes
3 answers
118k views

How to Create a High Quality, Small File Size .mp4 from .mov

Recently, I helped a friend produce a short zombie comedy. He has now asked me to add it to the film's website as a digital download. I'm not having issues with the digital download. My issue is how ...
Travis Pflanz's user avatar
4 votes
4 answers
106k views

How do I resize a image preserving aspect ratio in After Effects?

In my compossition I imported an image, I would like to scale the image in real-time (I mean using the mouse to select the image, center it in the composition and resize it to see the results in real-...
ElektroStudios's user avatar
9 votes
6 answers
103k views

Adobe Premiere preview video lagging

I am attempting to edit video in Adobe Premiere CS6. When I create a sequence and try to play it back in the preview screen, the video is extremely choppy, which makes editing very difficult (dance ...
scallionpancake's user avatar
18 votes
3 answers
65k views

Adobe Premiere - Restore Audio to A/V Clip After Deleting

Say I add a bunch of Audio/Video clips to a sequence, then delete all the audio (Alt-select it and delete); I work on it for some time, close Premiere, re-open.. etc., Is there any way to restore the ...
Codesmith's user avatar
  • 283
31 votes
5 answers
137k views

How to encode a video at 30 FPS from images taken at 7 FPS

I have no knowledge whatsoever about video encoding, I have an application written in OpenGL and I am saving the frames it generated into png images. The frames from my app are at 7 FPS and I am ...
BRabbit27's user avatar
  • 413
45 votes
3 answers
94k views

ffmpeg Color Correction: Gamma, Brightness and Saturation

How is ffmpeg used with a video filter circa 2017 to adjust gamma/contrast, brightness and saturation? Stack Exchange resources that are a few years old point to the filter mp=eq2=, but it seems to ...
P A N's user avatar
  • 1,743
34 votes
1 answer
103k views

How to deinterlacing with ffmpeg?

I have the following VOB file: → ffmpeg -i input.vob output: ffmpeg version N-77455-g4707497 Copyright (c) 2000-2015 the FFmpeg developers built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04) ...
ᴜsᴇʀ's user avatar
  • 443
51 votes
3 answers
108k views

How to downsample 4k to 1080p using ffmpeg while maintaining the quality?

I have some 4K 3840x2160 footage in MP4 format that I need to bring down to 1080p. I tried running ffmpeg -i orig.mp4 -vf scale=1920:1080 smaller.mp4 but the result is very poor quality, with the ...
lara michaels's user avatar
3 votes
1 answer
31k views

FCPX Crashes again and again

I was working on a project in FCPX. Suddenly it crashed. After that the library on which I was working is not opening. Whenever I try to open it it crashes again. It was my 2 weeks of edit. How can I ...
Nirmit Shahi's user avatar
14 votes
4 answers
82k views

How to download and encode a video from a MPD manifest?

I can watch videos on a website with MPEG-DASH technology. I can obtain the video's manifest.mpd file from the website. (I am not sure whether the file contains any user credentials or not, so I am ...
kit's user avatar
  • 241
43 votes
7 answers
49k views

How do I turn audio into video (that is, show the waveforms in a video)?

I have to create a video. Part of it involves "showing" a radio interview. Rather than just having a black screen and listening to the audio, I'd like to have a varying waveform on the screen and a ...
ccleve's user avatar
  • 531
0 votes
2 answers
73k views

Reduce render file size in After Effects CC 2017

I'm using Adobe After Effects CC 2017 and I want to reduce the render file size. However, I Googled all day and I cannot find any for CC 2017. All of them says that change the format to H.264 but we ...
MrPro697's user avatar
31 votes
1 answer
93k views

How do I change frame size, preserving width (using ffmpeg)?

I'm new to this StackExchange site, and to using the FFmpeg encoder. I have a video that is 720x480 (3:2) that I would like to change to 720x406 (16:9) to match the other videos I have for a site. I ...
eljefejb's user avatar
  • 423
9 votes
7 answers
113k views

How to force Adobe Media Encoder to use 100% CPU and memory?

On my machine, Adobe Media Encoder is very slow. It takes 12 hours to render 4 minutes of 1080p video for YouTube (the video is based on Adobe After Effects project with an original MOV file and four ...
Arseni Mourzenko's user avatar
3 votes
2 answers
103k views

Typical size of one hour long mp4 video

What is the typical size of a mp4 video, size 1280x720 encoded by ffmpeg libx264, and lasts for one hour? Currently my file is around 700Mb, is it too much?
Dzung Nguyen's user avatar
24 votes
2 answers
85k views

Is it possible to alter the playback *preview* speed?

Is it possible to change the speed of Premiere's playback of the video without altering the speed of the produced version? Even if I could play it only 1.5x faster, it would mean a lot of time saved ...
Sean Allred's user avatar
54 votes
6 answers
61k views

How to prevent FFmpeg from dropping metadata?

When I am simply copying a.MOV (from my iPhone) to c.MOV, FFmpeg drops a lot of metadata, including the time and location of the video. I tried -metadata, but FFmpeg still drops the information. It ...
Eric Stdlib's user avatar
37 votes
4 answers
92k views

How to losslessly encode a jpg image sequence to a video in ffmpeg?

I have a large set of jpgs that I want to convert to a video losslessly (or, at the very least, very close to losslessly as long as the encoding time isn't much higher than otherwise). Naively, I ...
GJ.'s user avatar
  • 471
3 votes
2 answers
67k views

How do you zoom in (animated) on a portion of your canvas?

I'm using After Effects to create a Motion graphic and I would like to make the animation zoom in on a specific point, do something and then zoom out again. To clarify what I exactly try to achieve: ...
Sander Schaeffer's user avatar
2 votes
4 answers
18k views

Why does my video look overexposed in Adobe premiere 2022?

I'm editing a video in Adobe Premiere Pro 2022. When I import video, it looks fine on the preview screen, but when I layer it over another video in the timeline, the timeline preview of the video ...
Sam Sabin's user avatar
  • 121
4 votes
7 answers
82k views

Is it possible to create a continuously looping video?

Is is possible to create a continuously looping video? Maybe by editing the container it's in so that it restarts automatically? I have a demonstration video that is playing on a TV in the lobby of ...
John S's user avatar
  • 143
10 votes
6 answers
85k views

How to record HDMI video output?

How to record HDMI video, which is being sent from a notebook to a projector without interrupting it? The HDMI signal shows desktop activity and/or video game gameplay on different devices that run ...
Iwan Gabovitch's user avatar
7 votes
3 answers
87k views

Can I manually change an .mp4 to .m4v by changing the extension in the Finder (mac) or explorer (win)?

I need to change an .mp4 (h264, AAC-Audio) to an exactly same .m4v. Can I just rename it from "X.mp4" to "X.m4v"? By renaming, I mean clicking on it in Finder (Mac) or Explorer (Win) and renaming it.
Jac's user avatar
  • 71
12 votes
3 answers
36k views

How do I write up a shot list?

I am writing a script for a short movie. How do I write a shooting script? Is it needed? What is the difference between a script and a shooting script?
daviesgeek's user avatar
9 votes
3 answers
53k views

Is there any AI upscale tool for videos?

I’m working on an amateur project, and for part of my project I’ll be using some old, really, really low-res film. I’ve used some free online tools (like deep-image.ai) to upscale low-res photos ...
Carson's user avatar
  • 91
39 votes
2 answers
53k views

How to use FFmpeg Command for Reverse Video?

i am use to FFmpeg library in android for reverse video. I can dump images from video but how to reverse all images and make video. See this link that from i am use to library in my gradle.. Library ...
Ravi Vaghela's user avatar
1 vote
1 answer
58k views

How do I create a solid black background in Premiere?

I want to create a solid color "video" segment in my overall video. In iMovie I can add it by importing a background. I don't see any such feature in Premiere Pro. How do I add a black (or other ...
Senseful's user avatar
  • 413
18 votes
4 answers
56k views

Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly

I am using below command to push the video to Wowza server, since we are pushing raw H.264 video, the RTP packet does not have the timestamp, and we could observe audio video sync issue while playing ...
shafi's user avatar
  • 333
34 votes
6 answers
77k views

Non-Monotonous DTS on concat (ffmpeg)

After running this command ffmpeg -f concat -i mylist.txt -c copy output.mp4 - I'm getting corrupted output.mp4 file and this message: ffmpeg -f concat -i mylist.txt -c copy output.mp4 ffmpeg version ...
whitesiroi's user avatar
3 votes
2 answers
12k views

Converting a Adobe Premiere CS6 project to a CS5 one

I run the old CS 5 version of Adobe Premiere but my friend just got the newer CS 6 version. Now she's handing over a project on to me. So I have to turn her project files into files I can continue ...
gburning's user avatar
  • 196
25 votes
9 answers
42k views

Is there a way to pause and resume FFmpeg encoding?

I record a few hours of video footage every day, which I set in queue for encoding with ffmpeg. I use the veryslow preset with x265, so a single hour of video may take up to 20 hours or more to encode....
P A N's user avatar
  • 1,743
39 votes
6 answers
58k views

How to get FFMPEG to join non-sequential image files? (skip by 3s)

I have a bunch of images, that follow this pattern. 0001.png 0004.png 0007.png 0010.png 0013.png 0016.png 0019.png ... They're in the correct order, but FFMPEG ignores anything after the first file, ...
Brigand's user avatar
  • 527
31 votes
2 answers
57k views

Convert mp4 to webm without quality loss with ffmpeg

What is the best way to convert a mp4 file to webm without quality loss (using vp8 or vp9) with ffmpeg? If I do ffmpeg -i in.mp4 out.webm the quality is very bad. I can specify a target bitrate via -...
student's user avatar
  • 481
18 votes
3 answers
55k views

Encode settings for HTML5 background video

I want to create a website with a HTML5 video background. I have a short 1080p mp4 clip that I want to use (20s). I intend to run the video in a letterbox format (5:2 ish), full screen behind the ...
Digital Lightcraft's user avatar
11 votes
5 answers
48k views

Losing audio/video sync in Adobe Premiere with mp4's

I have two videos to combine in Adobe Premiere. They play okay in a video player, but putting them into Adobe Premiere CS6 suddenly makes the audio unsynced with the video (even in the Source Monitor)....
Zeno's user avatar
  • 161
14 votes
3 answers
39k views

Merge MP4 with M4A

I have two files, one is MP4 file with video only and another is M4A audio file. What is the best and simpliest method of merging these two tracks in a single MP4 container? Is it possible to do this ...
Slava Fomin II's user avatar
2 votes
1 answer
49k views

Does canon EOS 1000D support video recording?

I want to buy an entry level DSLR and EOS 1000D seems like a good buy but I have some doubts regarding it. Does it support video recording? Do I need to install some software for the video recording ...
user avatar