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8 views

Syncing audios of two same videos of different framerates

I have two video files: 1) High quality video / English voiceover 2) Lower quality video / My language voiceover These 2 files contains same video, but has different times (one is usually 5% slower ...
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0answers
5 views

Is using codecs matter if Facebook re-encode all the uploaded videos?

I usually encode with h.265 and libfaac codecs to get good quality and small file size for posting in Facebook. I use ffmpeg as follows. ffmpeg -i input.mp4 -vf -c:v libx265 -c:a libfdk_aac output....
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1answer
7 views

60fps vs 50fps in 24fps timeline slow motion difference

If my math is correct, shooting 60fps, playback 24fps will allow me 2,5x slow motion shooting 50fps than should give me about 2x slow motion Is that difference significant in real time or it's just ...
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vote
1answer
13 views

h264 (Constrained Baseline)/(h264 (native) vs h264 (libx264)

I am recording a video using OBS Studio with the following settings: With these settings, OBS is consuming 55 to 60 MB storage for a minute long recording. Considering that my recordings span across ...
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1answer
9 views

Using youtube-dl: Does adaptive bitrate (ABR) affect image quality?

I'm using youtube-dl and ffmpeg to get videos/frames of videos from the web. I was told that youtube (and others) use adaptive bitrate streaming, so depending on the network conditions of the user the ...
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0answers
12 views

After effects loop part of movie clip

I have one movie clip and it has few events which I want to repeat for few times. I used this and similar other tutorial to achieve this. Ideally I tried following, Select Clip and Pre-compose it (so ...
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0answers
9 views

After effect how to create object rotation with earth

would like to ask how to create this effect? AE The rotation of the earth with trees I got stuck with the object moving continuously from behind to the front. ...
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0answers
13 views

FFMPEG padding color is gray instead of white

I found a similar thread about this issue and it says to use format=rgb24 but all of the examples are using a different format of filter. Can anyone help me figure out how to formualte this so that ...
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1answer
20 views

How to add timestamp of N mins between photos on a video combined from photos?

I have a set of few hundreds of photos taken every 30 minutes. I combine them into a single video. How can I put a timestamp presenting real time difference between each photo ? Right now I use ...
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0answers
23 views

Exported Lossless Video - Output File Was Lossy

I recorded some video-game footage in 320x200 and then upscaled it to 1920x1440 using ffmpeg (nearest-neighbor, lossless libx264). Screenshots of the upscaled footage have pixel-perfect color ...
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1answer
22 views

avidemux shows better preview than vlc player

I shoot a video in nikon D3400 and tried to play in vlc and native player of ubuntu. But avidemux preview is much greater than any of these two. Any way to get the quality of that preview for my video....
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0answers
8 views

Trying to sync multiple ip cameras in ffmpeg, having trouble finding the timestamps of each frames being sent

I am quite new to ffmpeg. I am wondering if it is possible to get the timestamps of a live video stream from ffmpeg. I read that as the first packet in RTP protocol is sent, it contains the NTP ...
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0answers
8 views

Why is new material dark in Cinema 4D?

I am new to 3D software and have just started with Cinema 4d. This is a very noobish question but when I create any new material in a project it always shows up pitch dark with very little mirror ...
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0answers
9 views

can this be created in a free animation software like synfig or opentoonz?

This animation is made in after effects but can this be made in a free software?? https://youtu.be/UkQqJ2PNca8
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0answers
14 views

Scrambled MPEG stream

I was wondering if any scrambled MPEG stream sample using common scrambling algorithms such as CSA exists online or anyone can provide me with such a sample? Basically, how can I create such ...
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0answers
12 views

User private stream in MPEG stream

I have a MPEG stream (.ts file). When inspecting with DemuxToy software, PAT, it says stream type user is private. Meanwhile, ffmpeg could not find find codec parameters. What does this mean? Is it ...
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0answers
7 views

How to set up Red5 server for streaming iOS app to other mobile phones and web browsers?

I would like to set up a Red5 server to broadcast from an iOS app to other mobile phones and web browser. I am new to streaming. What do I need in addition to the basic Red5 release I downloaded from ...
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1answer
14 views

SDR to HDR (High Dynamic Range) Converter?

I've heard that it's possible to convert SDR videos to HDR and get reasonable results. Obviously, this isn't as good as having source HDR content, but I'm really curious and would like to try this ...
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2answers
26 views

How do I fade in and out in FFmpeg?

I understand there is a module built in FFmpeg which allows you to fade your clips in and out, however, no one really explains how to use the module with your own input. How do I simply fade both the ...
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0answers
9 views

Cutting videos into individual clips - loss of quality?

I have over 100 videos, each around 5-10 minutes long. From each video, I might only need two or three clips that last maybe 10 seconds at most. I want to create a montage out of all these videos ...
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0answers
12 views

Injecting/embedding/adding/writing metadata to a .mp4 file so it's recognised as 360

I'm working on a library that injects/embeds/writes metadata into a .mp4 file to allow the video to be displayed correctly as a 360 video. The input file is a standard .mp4 file in the equirectangular ...
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0answers
19 views

ffmpeg vp9 encoding settings to produce “yuv420p(tv, progressive)”

I have a webm video that was made (from an h264) using AWS Elastic Transcoder, using the "System preset: Webm VP9 720p" preset. For this file, ffprobe gives: $ ffprobe converted-mp4.webm <snip&...
1
vote
1answer
10 views

What exactly is D-Cinelike?

My DJI Mavic Air drone has the ability to shoot video footage in either standard mode or “D-Cinelike”. Is D-Cinelike just a flatter colour profile with less contrast (to capture more detail in ...
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0answers
8 views

How not to lose onFI timecodes on ffmpeg transcode

I would like to transcode my live rtmp stream with resize to rtmp and mp4 smaller size and bitrate. So I do like ffmpeg -i rtmp://my.input/stream -vcodec libx264 -s 640x480 -acodec copy -f flv rtmp://...
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0answers
8 views

How can I duplicate / modify a composition for each entry in a data file (AfterEffects)?

I have a project that requires lots of duplicates of a composition. Doing it one at a time is really annoying and repetitive. Is there a way to make it autogenerate them all, changing some text and ...
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0answers
4 views

iPhone screen recording - no sound - when uploading on Youtube

so, I do my screen recordings on iPhone 7 - with standard iOS tool. And videos are with sound. If I upload from iPhone to Youtube - there is sound. If I do AirDrop from iPhone to Mac and then upload ...
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0answers
3 views

Problem when I import pictures - they are just a black box!

when I try and import pictures in After Effects, they are all of a sudden just a black box. I've tried with a new project, tried on old ones and it's all the same. You can see in the attached picture ...
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0answers
8 views

Problem editing AVCHD in Shotcut - Windows

I'm editing a video in ShotCut, and it was stored in a AVCHD folder. I opened each MTS file and paste them next to each other. The problem is that there is like one second delay between each file. My ...
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0answers
48 views

FFmpeg 2017 vs 2019 decoding performance improvement

I was trying to do some basic profiling on ffmpeg, following my previous question here. I have a relatively high-bitrate .ts file (17mbps), and I have two versions of ffmpeg (2017.3 and 2019.4), and ...
2
votes
1answer
17 views

ffmpeg: Second lower third does not appear

On a video I am producing, I am overlaying a digital on screen graphic on the lower right corner (branding logo). I am overlaying an 11 second two-tiered lower third at the beginning of the video (...
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2answers
14 views

Transfer videos from Sony HC9 tapes to Windows 10 laptop

I have an old Sony HC-9. I used to use the iLink cable to output the video to my Sony Laptop (Vegas Pro). I no longer have a Sony laptop or Vegas Pro, but now have a Dell Precision 5530, which does ...
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1answer
14 views

AE Keyframe Control through checkboxes

I have a position animation with four keyframes, two for a intro, two for a outro. Also I have a Master where you have two checkboxes "Intro" and "Outro". The idea is to override the keyframe values ...
0
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1answer
20 views

FFmpeg run multiple filters in parallel from C API

I successfully applied a FFmpeg filter from C API (my previous question here). I see the filters are running sequentially. Now the question is, how can I run multiple filters in parallel? If run ...
1
vote
1answer
22 views

Is there a tool that lets me cut video with frame precision?

I'm able to use Avidemux with enough ease and it's mostly enough for my video need. I can also choose codecs to recompress the video. Unfortunately, it doesn't let me cut video outside the scope of ...
0
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0answers
7 views

Why AE changes tone / pitch of my audio after rendering

Why AE changes tone / pitch of my audio after rendering ? All I did is imported file and then added to the main composition. After rendering voice sounds very heavy, but I am not sure why, it's a "....
1
vote
0answers
6 views

Reference for creative color grading

I'm a looking for a good reference on how to color grade footage for a "cinematic" or "filmic" look. The best I have found are scattered YouTube videos; I'm looking more for general principles and ...
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0answers
8 views

How would one add a lens flare effect to clean footage? (Picture attached)

I have some footage of traffic, varying in range from close-up to distant and would like to add what I think is a lens flare effect to make it look like the picture attached. The online tutorials I ...
0
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1answer
34 views

Fixing screen flicker / screen tearing

I had some capture issue in OBS, where during certain parts of my screen capture some windows flicker. Here's a sample of the affected footage: I think this should ...
0
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0answers
18 views

ffmpeg video stabilization with 120fps and more

I use to stabilize my videos. ffmpeg -i input.mp4 -vf vidstabdetect=shakiness=10:accuracy=15 -f null - ffmpeg -i input.mp4 -vf vidstabtransform=smoothing=30:input="transforms.trf" output.mp4 But ...
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0answers
2 views

Synchronize multiple video files and direct them to discrete monitors

I’d like to take 3 video files of a similar event (different perspectives) and play them simultaneously yet direct the videos to discrete monitors. Is that possible? Any guidance?
0
votes
2answers
28 views

two pass encoding Cannot write log file 'ffmpeg2pass-0.log' for pass-1 encoding

I'm trying to execute a two-pass encoding with compiled ffmpeg library in android. I'm running my app on a device that is not rooted. So after executing below commands I get : Cannot write log ...
0
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0answers
31 views

Most Efficient Video File for Still Frame Video

What is the most efficient video file I can save for a video that only has two still images during the entire video. I'm trying to make a 22 minute video that contains only the following: 115MB wav ...
0
votes
1answer
10 views

After Effects - Trying to Export Video with RGB Alpha (I get a black background in the export)

In After Effects I'm trying to Export Video with RGB Alpha (I get a black background in the export)please see notes below: Here's my setup (On canvas transparency is togggled on)
0
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1answer
15 views

My video is blurry after dragging it to composition

I matched the dimensions and it is still blurry and ive tried it with multiple videos and it is still blurry. please help.
0
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0answers
16 views

DivX audio not decoded on DVD player

I am converting MP4 movie into AVI/DivX format. I plan to copy the AVI to a USB memory stick and plug it into my DVD player. My player is a Pioneer 3052 that supports USB input. I convert the file ...
0
votes
0answers
4 views

Video crop for portrait videos not working

I facing the issue while cropping the video for landscape video my command is working fine coming for portrait video the video is cropping to top every time. I am using the following command to crop ...
0
votes
0answers
11 views

cropping video without fully reading it

Say, I have a large video file on Amazon S3 and want to get all frames from any timestamp_1 to timestamp_2 without fully downloading the video file. Is there way to preprocess the video file and ...
0
votes
1answer
12 views

FFMPEG - Audio missing after combining video

I was trying to combine two separate video into one side by side using ffmpeg using the following command in ubuntu server. ffmpeg -y -threads 4 -loglevel quiet -ss 0 -t 220.162 -i left.webm -ss 0 -...
0
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0answers
17 views

ffmpeg prores alpha channel quantization looks pretty bad

Might be related to this other ticket? I've been doing some prores tests for both color and alpha. Usually this isn't a big deal since my alpha channels are solid with a 1-2pixel transition to black....
0
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1answer
19 views

What software can I use to make a video like this? [on hold]

Which software can be used to make a video like this:

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