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Proper timestamps for videos

I am trying to combine a set of videos from different people and therefore from different smartphones into a single folder of files, so that they can be viewed together in a chronological order. For ...
earthling's user avatar
  • 101
0 votes
0 answers
18 views

Trimming a video using FFmpeg leads to black screen

I try to figure out how to use FFmpeg to trim videos. I have created a 30 second .mov screen capture using Apple's QuickTime player, and then tried to trim it using three different ways: Using -...
jsx97's user avatar
  • 101
0 votes
0 answers
3 views

How do I define the vertical position of all subtitles across an entire sequence in Premiere 2024

I'm using the modern subtitling system built into Premiere 2024 I want to adjust the vertical position of all subtitles in my sequence. My steps: Double click the subtitle to be altered Adjust the y ...
tomh's user avatar
  • 7,943
0 votes
0 answers
9 views

How to encode aac_at with variable bit rate

What options are there to encode at variable bit rate with aac_at? aac_at seems to be the best aac encoder. I have used it to convert opus audio (because macOS older than Sonoma do not support opus) ...
wywh's user avatar
  • 61
0 votes
1 answer
15 views

Importing still images to Premiere Pro from Photoshop

I'm producing a documentary film. I'll be using Premiere Pro (for the first time). I have tons of still images, all prepped in Photoshop (which I've been using for years). I know Premiere can import ...
Michael Benjamin's user avatar
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0 answers
10 views

Complex audio mixdowns and mappings with FFmpeg

Looking for a way to use FFmpeg to take a single video file with 10 - 20 audio tracks and generate a series of video copies each with a different configuration of audio mixing and mapping. For example ...
WhatsYourFunction's user avatar
0 votes
0 answers
4 views

kdenlive renders choppy video

I've just started trying out kdenlive and I can't get it to render nice smooth video output to the same quality as my input. No matter how high I set the quality settings the rendered video I get ...
Jez's user avatar
  • 101
0 votes
0 answers
6 views

DaVinci Resolve - Text solid fill not shown in preview

I'm using DaVinci Resolve for quite a while. However, after I bought a new higher-spec laptop and downloaded the latest non-beta DaVinci Resolve 18.6, I found that the solid fill of texts of my ...
Sky's user avatar
  • 1
1 vote
0 answers
7 views

Need to convert Adobe premiere project files from *.ppj to *.prproj, that is can I upgrade the file to open in Adobe PremierePro 2023

I have tried to access an early version of Premiere, but failed. The current file structure (*.ppj) of my older projects (pre-CS6) is not supported in any of the PremierePro suite, but fundamentally ...
Ian Walker's user avatar
1 vote
0 answers
20 views

Correct cable for Elmo TRV-16G output

I have an Elmo TRV-16G that I'm trying to connect to an Elgato video capture device. I'm trying to confirm that I'm purchasing the correct cable for the connection. It appears to have two BNC ...
dav's user avatar
  • 111
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0 answers
3 views

Side of the video got cropped after stabilization. How to tell Davinci Resolve not to do that?

I'm stabilizing a vertical video. Somehow, the side of the video always got cropped. I don't think it should be since the new video is 1080p. If you see the screenshot below, I marked the cropped area ...
Jose Mulia's user avatar
0 votes
1 answer
11 views

Animating a 2D character to speak

I have a 2D character created in the following formats .png and .ai. I would like to animate this character to speak some script, but I can't find any tool that can do it. They all support characters ...
user1234's user avatar
0 votes
0 answers
11 views

How to mute parts of the video without using professional software?

I want to eliminate some of the swearing in the video and leave the rest untouched. I don't want to cover the swearing with other sounds, just mute the swearing. That's the only thing I need, and I'm ...
benjstark's user avatar
0 votes
0 answers
24 views

Offsets in HLS video segments

I am streaming video from a camera to a process that monitors the stream for specific events. I am able to connect to the camera, download the m3u8 playlist, fetch the individual AVI video segments ...
A_A's user avatar
  • 101
0 votes
0 answers
13 views

FFmpeg padding with different colors

I have the following ffmpeg command: ffmpeg -f concat -i inputs.txt -vf "scale=iw*min(1920/iw\,1080/ih):ih*min(1920/iw\,1080/ih),pad=1920:1080:(1920-iw)/2:(1080-ih)/2:black" output.mp4 This ...
Aewd's user avatar
  • 1
0 votes
0 answers
6 views

Unreasonably very slow playback of animations in Fusion in Davinci Resolve

I worked quietly in my project, made an effect for the text, copied it to other parts. And then suddenly the Waviness node plays as if I have 4 fps, but the framerate is all 60. Checked with other ...
Aquarith's user avatar
0 votes
0 answers
9 views

How to extract frames from a video using ffmpeg?

Basically I want to extract all frames from the video where the images will be resized to be 720p. All of this I know how to do. But for testing I want to extract every Nth frame. So every 30th image ...
Leon's user avatar
  • 101
0 votes
1 answer
29 views

Adding many scriptures on top of a video

I want to add scriptures embedded on top of a say meditation video like below example scripyures i have will be in a text file and I choose a video on youtube downloaded to my local. Now I want to add ...
Jaango Jayaraj's user avatar
0 votes
1 answer
17 views

When compressing from a HEVC source, is H264 a better choice than H265 if I want to minimize information loss?

If a video source is 2160p HEVC and I wish to compress it to 1080p, will information loss be lesser if I compress it to H264 instead of H265?
bassfocus's user avatar
  • 101
0 votes
0 answers
8 views

How to add keyframes to sizing panel in Davinci Resolve?

How to add keyframes to pan, tilt, zoom rotate etc. in sizing panel in Davinci Resolve? And how to add keyframes to Color wheels?
antony's user avatar
  • 11
1 vote
0 answers
7 views

How to clean up shot with Photoshop+Davinci Resolve?

I heard about method of clean up in Davinci Resolve, not by masks or fushion, but by exporting frames as stills, cleaning in Photoshop and importing again to Davinci Resolve. How can i do that, if my ...
antony's user avatar
  • 11
0 votes
1 answer
15 views

Best way to edit a football match from 2 fixed camera/video?

I've 2 camera , each one get half pitch of a football match. Both Video starts at the same time. I've to produce a single video taking video from one camera then other camera, based on when "ball&...
stighy's user avatar
  • 111
2 votes
1 answer
33 views

Is there an efficient (and also free or cheap) way to turn a video file into a time based composite image?

I'm doing a physics project with my math class. My students recorded a videos of balls being dropped. (We are studying acceleration and how to model motion with quadratic equations.) The goal is to ...
David Elm's user avatar
  • 123
0 votes
1 answer
45 views

What are brightness, gamma, and lut filters doing to my video? What's the difference, which should I prefer?

I get videos that were recorded at a conference, which I have to edit and produce. Usually there is only modest casual lighting, so no production or studio level lighting. During record, the tech has ...
user3643's user avatar
  • 2,296
0 votes
0 answers
10 views

How to prevent "auto-inserting filter 'auto_scale' between the filter..." within the filter_complex?

I'm using filter_complex string with vulkan(by hwupload and download). FFmpeg keep saying that "auto-inserting filter 'auto_scale' between the filter..." and doing something I didn't ...
user44311's user avatar
0 votes
1 answer
11 views

Can I assign multiple language-dependent audio tracks to youtube video?

(similar to Does YouTube allow multiple soundtracks) I have prepared a video that has subtitles for two different languages, and I have isolated audio-only track for these two languages, too. The base ...
U. Windl's user avatar
  • 154
-1 votes
0 answers
22 views

Implement video playback using NodeJS, FFMPEG and HLS.JS

I have RTSP stream coming from camera, which is converted to fragmented mp4 using FFMPEG. It is stored in a folder. Also manifest.m3u8 file is created using FFMPEG. I am using Hls.js player on ...
JayEm's user avatar
  • 1
0 votes
0 answers
3 views

How do I let OBS automatically record the active monitor?

I've got 7 monitors plugged into my computer and I'd like to do a screen recording of my workflow, but I don't want to record just one monitor or manually switch between monitors or even record all ...
Shaun Roselt's user avatar
0 votes
0 answers
16 views

ffmpeg: Apply an expression to dynamically control intensity of lowpass, highpass, aphaser, or aecho

This is an audio question, not a video question, but hope it belongs here. I am constructing complexFilters to procedurally generate audio with ffmpeg via fluent-ffmpeg. The interesting part of my ...
Wes Modes's user avatar
  • 123
-1 votes
0 answers
7 views

Lens/Camera Advice For Shooting High Flying Birds

I am retired, an author, and now novice film maker using iPhone 15 Pro Max to shoot fast moving objects like birds at 5000-10000 ft. I am taking the next step to invest in a dedicated video camera and ...
Geoffrey Howe's user avatar
0 votes
0 answers
12 views

Is there any workaround to set drawbox color conditionally?

i want to know if it is possible that setting drawbox color conditionally. With drawtext filter there is option -textfile which gets text value from a local file so that i can get dynamic text value ...
I have 10 fingers's user avatar
0 votes
0 answers
39 views

Is there a way to convert GOPRO MAX .360 files to .mp4 without using the gopro player app?

I have a gopro max camera that I use to record 360-degree VR footage. Up until now i have been using the official gopro player app to convert my .360 footage to .mp4, however, I am finding that the ...
FenFox's user avatar
  • 33
0 votes
1 answer
23 views

How to combine front and rear dash cam video in split screen without gigantic file size?

I have a three camera dash cam (front, rear, cabin). The front is 2160p and the rear is 1080p. I would like to combine two simultaneous videos (front and rear) into one 3840 x 4320 video (stacked ...
cma0014's user avatar
  • 101
0 votes
1 answer
11 views

How are these type of animations done?

The best way to describe it is, off screen animations? Im not sure what its called but i need to learn this animation style!
Karl Copeland's user avatar
1 vote
2 answers
37 views

How can I choose the correct shutter speed to avoid banding when taking video of projected video?

I need to record video projected onto a wall or screen by an Optoma EP726 digital projector. I need to record it on a Canon EOS 77D at 23.976fps. I first tested videos of various frame rates, all ...
SPS's user avatar
  • 121
0 votes
1 answer
19 views

Can KDEnlive actually crop a video area, like we crop an image?

OBS screen recording filled non-selected area black (that is, the video resolution was 1080p like the monitor, even though I had selected only part of the monitor). I wanted to "crop" it to ...
Damn Vegetables's user avatar
1 vote
0 answers
10 views

Kdenlive, fade out cannot applied on certain clips. why and when?

Lastest Kdenlive 24.02.2 Mac os I am about to fade in a custom sfx, and fade out original audio; at the same time. Somehow kdenlive yield cannot add effect to the selected clip I really wonder why. ...
Adi Prasetyo's user avatar
0 votes
1 answer
17 views

What is this video technique called and is there software to automate it?

First time question on this stack I'm trying to make videos for social media, but find it is incredibly time consuming, I'd like to turn long shots into short snippets that skip to the important bits ...
Dan Drummond's user avatar
0 votes
0 answers
16 views

How to edit multiple videos in bulk?

The tasks are Trim few seconds from the end of the video. Add default outro. Render. I want this same steps done for a lot of videos. Is there a way to automate this? p.s. I've seen folks suggesting ...
Razmik Badalyan's user avatar
0 votes
0 answers
40 views

Difference between crf and cq settings in ffmpeg

What is the difference between -crf and -cq parameters of ffmpeg? I am trying to compress 1080p h264 videos into 1080p h265 videos with high quality and low size. I have noticed that in some guides ...
jamana's user avatar
  • 1
2 votes
1 answer
14 views

How do I align many images of a specific landmark?

Every day, on my commute to school, I took a picture of a tall building in the distance from the same place. Now that the school year's over, I'd like to make a video containing all the photos in ...
Christopher Miller's user avatar
0 votes
0 answers
27 views

ffmpeg - set dynamic pts on video

I try to set pts for each frame of the input video. Here is the command I use to slowdown frame 1 and speed up frame 2: ffmpeg -i input.mkv -filter_complex "[0:v]setpts='PTS*2*eq(N,0)+PTS*0.5*eq(...
legeba's user avatar
  • 1
0 votes
0 answers
19 views

ffmpeg - Trouble using if statement with overlay

I would like to apply a .png on two frames of my input video but I'm having trouble using an if statement to determine the location of the overlay. Expected: Frame n°7 -> Frame n°7 + overlay.png ...
legeba's user avatar
  • 1
0 votes
2 answers
37 views

ffmpeg input -ss accuracy

As from FFmpeg version 2.1, -ss used as an input option should be frame accurate (when transcoding, not stream-copying). I tried it with different versions of FFmpeg, up to recent ones, and with MPEG-...
templeton's user avatar
1 vote
0 answers
10 views

How can I convert H.264 to NTSC for analog video transmission?

For a UAV project we're using an Nvidia Jetson Nano as our mission computer on a fixed wing for object recognition purposes and we agreed that analog video transmission, widely popular with fpv drones,...
Tuğra TÜRKÜCÜ's user avatar
0 votes
1 answer
21 views

Seeking Tool(s) to Restack Frames from an MP4 Video of a Total Solar Eclipse to Keep the Sun Always Centered

I would like to take a video that I recorded of the 2024 Total Solar Eclipse edit it to keep the center of the Sun in the center of the video. I used a SkyGuider Pro tracking device but was not able ...
osswmi's user avatar
  • 1
0 votes
0 answers
21 views

Configuring ffmpeg HLS demuxer buffering strategy

Are there options to configure the buffering strategy of ffmpeg's HLS demuxer in a scenario where I use it to pull a HLS stream as input and I re-stream that? I am looking for options that would allow ...
jabal's user avatar
  • 173
0 votes
0 answers
35 views

How do I slow down audio in ffmpeg by more than half (*NO* tempo correction)

I have video that I want to slow down to 1/4 speed using ffmpeg. Unfortunately, I can't figure out how to get the audio to slow down without any attempt to maintain pitch. Everything I find by ...
Stonecraft's user avatar
0 votes
1 answer
34 views

Add custom Poster Frame to a movie with ffmpeg by combining two commands with a pipe

I can export a frame as .png from, say 1.2 seconds from the beginning of the movie (=1 second and 5 or 6 frames with 25 or 30 fps input): ffmpeg -ss 1.2 -i input.mp4 -frames:v 1 image.png And then ...
wywh's user avatar
  • 61
0 votes
1 answer
10 views

What term is used to refer to audio filters that take two source tracks, one of which mutes the other?

I'm trying to recreate an audio effect that was shown to me in OBS (though this was shown too long ago for me to remember how to do this) in post production, but I simply don't know the actual term ...
Daneolog's user avatar
  • 101

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