All Questions
9,008
questions
1
vote
1
answer
403
views
Detect hidden/invisible watermark in videos
Lately, I have been interested in Watermark & steganography.
And as a part of research i am working on, i have a mp4 video file that has a hidden/invisible Watermark.
My question is is there an ...
0
votes
0
answers
2
views
FFmpeg code throwing error when trying to crop the video: FFmpeg process exited with state COMPLETED and return code 255
Hello I am trying to crop a 9:16 video to a 1:1 video with FFmpeg. The command is throwing this error
Exception: FFmpeg process exited with state COMPLETED and return code 255.
This is my code:
-ss 0:...
- 101
1
vote
1
answer
23
views
How can I crop four videos into an unusual aspect ratio, and then stack them all on top of each other?
This seems like it would have a solution but I haven't had luck online. I am working on a video project that involves taking subtitles for four videos and then stacking them on top of each other. In ...
CommunityBot
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3
votes
2
answers
1k
views
How to replace clip preserving trimming in Final Cut Pro X?
How can I replace an already trimmed clip with a new one so that the trim start and end positions are preserved?
CommunityBot
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0
votes
0
answers
6
views
How can I use if/else with FFmpeg to check if a video is portrait or landscape and execute different settings?
I'm using FFmpeg to generate previews for the videos added to my website. The site script's (KVS) built-in tools help to some extent by automatically creating previews with the following properties:
...
0
votes
1
answer
6k
views
FFMPEG - 5.1 EAC3 encode output quality
I have PCM Wave source files that are 5.1 surround. My goal is to convert this to EAC3 at 192k per Apple recommendations.
Here is the MediaInfo of my source media:
General
Complete name ...
CommunityBot
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0
votes
1
answer
31
views
Changing color of numbers in stock exchange AE template with expressions
I just wondering if there a way to optimize the way of changing color of numbers in stock exchange template by using expressions? When I put the +before the number it turns green and if -,it turns red....
CommunityBot
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1
vote
1
answer
469
views
After effect using multiple linear expression based on its value
I am new to After Effects. I want to write a linear expression on [Audio Amplitude] that is converted from an audio file based on its value as the below:
linear(value,0,15,0,0);
linear(value,16,20,...
CommunityBot
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0
votes
2
answers
1k
views
How to run multiple FFMPEG commands as a batch file in Windows 10/11?
I have the following code which adds a small overlay text over my video:
ffmpeg -i video.mp4 -vf "drawtext=fontfile=path\font.ttf:text='ABC':fontcolor=black:fontsize=45:box=1:boxcolor=white@1:...
CommunityBot
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0
votes
0
answers
5
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Synchronize 2 IP camera RTSP Streams
So we have 2 IP camera RTSP streams that we are saving to disk. At some point we stop the recording on both streams and go back to N frames in each video.
The problem that we are facing is that the ...
1
vote
1
answer
39
views
Is splitting a video for export a good technique?
Currently, I'm making a video that I intend to upload to YouTube. I used After Effects and Premiere Pro for this. Since it's a video that's almost 2 hours long, the export takes me about 16 hours ...
CommunityBot
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0
votes
1
answer
11
views
Is smpte170m Color Space Compatible with 10 bit yuv420p10le? Color Space choice(x265)
I need to encode a smpte170m color space MPEG-2 ("mpeg2video") video to 10 bit x265 (libx265, with FFMPEG).
Hoping to use yuv420p10le, but any suggestions are welcome.
Source video is in ...
- 32.3k
0
votes
1
answer
29
views
Grab the positioning of a layer inside a precomposed layer?
I have a precomposed layer that contains many shapes. Inside my global comp, I have various positions being applied to the precomposed layer. Unfortunately, I need everything in my precomposed layer ...
CommunityBot
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1
vote
1
answer
25
views
Do mobile phones really record in these odd framerates?
I received several video files for editing that were recorded on a mobile phone. (Samsung S21, if it matters.)
When I brought the files into VEGAS (still using version 15.0 Platinum), it reports some ...
- 123
3
votes
1
answer
146
views
Why is my 480p Handbrake conversion of NTSC home video DVD much larger file size than the DVD?
I'm not super experienced with video production but I understand the technical basics of resolutions, frame rates, compression types, etc.
I have an NTSC DVD containing a long (3h) home movie shot on ...
CommunityBot
- 1
1
vote
2
answers
610
views
Adobe Premiere Background Processes
Premiere keeps running in the background, eating up a lot of RAM, but I can't figure out why. I have to keep manually stopping it.
In addition to this, the program keeps refusing to have video ...
CommunityBot
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0
votes
1
answer
17
views
AME doesn't export the right opacity
My picture layer background color was set to white, so in AE it appeared to be light. But in AME it used a black background color instead, so it appeared to be dark. I fixed this by adding a white ...
CommunityBot
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0
votes
1
answer
445
views
How to convert the DVD .VOB collection to MPEG without re-encoding (and quality loss)?
How to convert the DVD .VOB collection to MPEG without re-encoding (and quality loss)? The .MPEG files are what DVD format is built upon, the singular files are easy to handle, and overall, can be ...
CommunityBot
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2
votes
2
answers
1k
views
Time lapse video with motion blur
Based on some of my videos I would like to make time-lapse videos with motion blur. My inspiration is this YouTube video:
Time-lapse with motion blur from video with Avidemux, AviSynth and VirtualDub ...
CommunityBot
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1
vote
1
answer
1k
views
Video quality degrades when uploading to YouTube with variable frame rate
So I use OBS (latest ver) to record my gameplay on Windows 10.
OBS settings are:
recording format: MP4
Recording quality: indistinguishable quality, large file size
Encoder: Software (x264 low CPU ...
CommunityBot
- 1
0
votes
2
answers
332
views
How to fix a file using ffmpeg so that VLC detects Aspect ratio automatically
I have a video, where the video resolution is 852x480.
When I open it up in VLC, "the Video Aspect" ratio defaults to *Default
However, all I see is a black screen with a thin line as the ...
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1
vote
3
answers
191
views
RAM in Premiere Pro
I wanted to know if my way of editing is going to hurt anything on my computer or not.
So I have my cache, scratch, and project folder set to the same drive separate from OS and adobe app drive and ...
CommunityBot
- 1
0
votes
1
answer
269
views
ffmpeg : how to reduce bit rate of transport stream
I'm aiming to reduce the bit rate of a video contained in a transport stream.
The command (ffmpe.exe) is as follows :
ffmpeg -i "udp://127.0.0.1:40101" -map 0:v -c:v libx264 -b:v 256k -maxrate 256k -...
CommunityBot
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3
votes
1
answer
204
views
Dropping Frames when Playing back Sped Up Footage in PP CC 2018
My playback of footage that is sped up 500% is awful in PP CC 2018 on my desktop but fine on my laptop. My CPU utilization is not maxing out on my desktop but I'm still dropping 90% of my frames. I'm ...
CommunityBot
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0
votes
1
answer
884
views
How to save HDR 10 bit MKV videos as an image sequence?
I tried both vlc and virtuadub2, they both save out washed out images. Both show and save out washed out images.
How can I save out these images so they look in proper HDR space?
CommunityBot
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0
votes
1
answer
98
views
How do HDR images differ from SDR images
If I would like to convert hdr images to sdr, what values would be changed in the image data. So far i think ive understood that the bit depth has to be changed so for example from 12 bit to 8 bit you ...
CommunityBot
- 1
0
votes
2
answers
835
views
Error:-[libx264 @ 000001fa2ffdd080] height not divisible by 2 (244x207)
I was looking to put an audio visualiser filter on my podcast file(mp3)and got the necessary code from here.But on running the code,the terminal gave an error"height not divisible by 2".I tried my ...
CommunityBot
- 1
0
votes
2
answers
339
views
lossless frame extraction from video
I have an mp4 video file with these characteristics:
-Encoder: Lavf58.29.100
I want to extract each frame as an image, with the following requirements:
one image file is one frame (i.e., account for ...
- 156
0
votes
2
answers
41
views
Why is animated SVG not used for streaming cartoons?
Considering that, per https://video.stackexchange.com/a/18726/34808, animated .SVG can be used (even across the internet, via browsers) as a vectoral video format, why are cartoons not served to the ...
- 156
1
vote
1
answer
18
views
Can I reencode losslessly from yuv422p10 to yuv444? Or into a different format?
I have a 10-bit XAVC-HS file encoded with yuv422p10le pixel format and would like to render it out of my NLE, but my GPU does not support this. It does, however, support yuv444p and yuv444p16. Can I ...
- 156
0
votes
0
answers
10
views
FFMpeg How can i add an image and text to other video with moving background
How can i make something like this:
https://courtyard.io/asset/d624168fe54977ee1f91639fd7d4c70ca003f6cd750ed4e89a852dfec700deda
Where the text and the card is added in by ffmpeg or other program? The ...
- 1
0
votes
1
answer
49
views
How to write more than 7 digits in effect ("slider control") because his stop in 6 number
How to write more than 7 digits in effect ("slider control") because his stop in 6 number in after effects
CommunityBot
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0
votes
1
answer
181
views
Colors artifacts/jittering after render - filmora
Hi I'm having some issues with colors in my video, I have still images that after the render jitter
Never seen something like this, any idea why would this happen?
CommunityBot
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0
votes
0
answers
5
views
How to create this effect in Premiere or After Effects
Is there a a name for this effect where the pace of the footage is changing as seen in this video?
?
Thank you!
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2
votes
4
answers
19k
views
After Effects Not Rendering Transparency (Quicktime Movie)
I have a comp that I made that is a write-on effect. I have selected the alpha channel toggle so in my view, I see the checkered background.
When I queue to render, I select lossless + alpha (I've ...
0
votes
1
answer
202
views
ffmpeg dash output for multiple resolutions to be in the same mpd file
I am using ffmpeg to convert an input stream into multiple resolutions and creating an mpd for each resolution.
So far, so good.
But I am trying to find a way to create a single mpd for all ...
CommunityBot
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1
vote
1
answer
19
views
How can I create a POV scene with no camera movement?
I'd like to create a POV scene where my hands are visible doing something, but the camera must not move.
Something like this (jump to 1:00)
I think some kind of POV ...
- 2,306
0
votes
1
answer
243
views
Importing video with very low frame rate into kdenlive
I'm trying to import a video that has an effective frame rate of about 3.3 fps from a stream that I captured with the ffmpeg command line tool.
The video profile seems to be reporting that the frame ...
CommunityBot
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0
votes
1
answer
632
views
FFmpeg embed thumbnail Windows
I have seen commands like this online:
ffmpeg -i video.mp4 -i image.png -map 1 -map 0 -c copy \
-disposition:0 attached_pic out.mp4
However these command don't work as advertised with Windows ...
CommunityBot
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2
votes
2
answers
2k
views
FFmpeg: Align Video & Audio of Desktop Capture
I am using FFmpeg's built-in gdigrab & dshow to record the display & audio of my system. I am encoding to uncompressed H.264/AVC video & uncompressed PCM/WAV audio.
I had been having two ...
CommunityBot
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0
votes
1
answer
12
views
Squishing an image from above in Sony Vegas Pro 18
I am using Sony Vegas 18.
I am attempting to squish an image from above, keeping the width and bottom x, y coordinates fully fixed, meaning the image "squishes" while being reducing in the y ...
- 216
0
votes
3
answers
2k
views
Render settings for DVD in Vegas Pro
I've been working on a video project and output should be for DVD.
Video from camera:
1920×1080; 50 fps
65 min. after cut
Software: Vegas Pro 12.0
I need to render it in the best quality possible, ...
- 216
0
votes
0
answers
10
views
Kdenlive VFR to CFR
When using videos taken on my phone (Pixel 4a) kdenlive reports variable framerate and asks to transcode with several options,
Lossless (huge files)
Intermediate DNxHR HQ (large files)
x264 I frame ...
- 216
0
votes
1
answer
24
views
What application/software can convert text-to-speech and create a synced video of just the text simultaneously?
I have a file with text, typically about 2 paragraphs long. I am looking to create a video where the audio is text-to-speech and the visual is simply the text that is currently being spoken, say, ...
CommunityBot
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1
vote
1
answer
158
views
Sony Vegas Pro 17 - Speeding Up Video Slow Render
I shortened a 1h clip into 1min by speeding up the video 4x, saving it as .veg, and repeating until I was at 1min. When I try to render it as an mp4 it takes over 6h for 1 minute clip...
I render at ...
- 216
0
votes
1
answer
15
views
Premiere mangles export of video with several settings
I am new to Premiere and tried a few sequences. Upon exporting them, the result has half the frames completely mangled, with unreadable text, inverted exposure, or with extraneous elements. Here are ...
CommunityBot
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0
votes
1
answer
127
views
Premiere Pro plays media video stream at half the speed as audio
In Premiere Pro 2020 (14.7), some media files have video playing at half the speed as the source, either in the source monitor or the timeline. Here is one example in Premiere with a still apparently ...
CommunityBot
- 1
0
votes
1
answer
20
views
After adding subtitles the second audio track gone
I have a video with 2 audio tracks.
After using the following command line
the other audio track is gone
ffmpeg -i "movie.mkv" -i "subtitles.ass" -c:v copy -c:a copy -c:s copy &...
CommunityBot
- 1
0
votes
0
answers
15
views
Best mac processor for single core processing, video editing performance
I've been searching around for a way to improve my editing experience as an editor on Premiere Pro. I have a 6-core Mac Pro, with 64GB graphics, but I'm a long form documentary editor, I don't care ...
4
votes
2
answers
19k
views
Blending Mode Options Missing After Effects
I'm trying to change my blending mode on After Effects CC 2015, but I have no options on certain layers. Only 2 of my layers have options to change the blending mode. How do I change it so all of my ...
CommunityBot
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