All Questions
9,062
questions
0
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answers
16
views
verify lossless in H.264
i've transcoded an interlaced JPEG2000 video file to H.264 using ffmpeg. following the guidelines, i constructed the following command line:
ffmpeg -hide_banner -i $input \
-vf tinterlace=0 \
...
- 101
0
votes
1
answer
36
views
Replicate the behavior of -r option before applying filters
When converting the framerate of a video, ffmpeg offers multiple options
one options is -r:
ffmpeg -i myvideo.mp4 -r 10 my10fpsvideo.mp4
another option is using filters:
ffmpeg -i myvideo.mp4 -...
- 101
0
votes
1
answer
66
views
ffmpeg - overlay position at the end of the video is wrong
I am trying to move a shape (an image) over a background image to each corner. Here is the video example I generated with ffmpeg.
As you can see from the example, at the end of the video the shape is ...
- 113
0
votes
0
answers
12
views
Can I Use Macros When Recording Audio in Adobe Premiere?
Every time I record audio on the timeline in Adobe Premiere, I have to do three things for all recordings:
Add the right hand side audio channel as my microphone is mono.
Increase the DB to 4.4.
Add ...
- 101
0
votes
0
answers
13
views
How can I choose a specific track in Adobe Premier Editor panel?
There are several tracks in the Editor panel. I would like to choose one of the tracks and delete it. Is there any method such as a shortcut or button that I can use to do it easily?
How can I choose ...
1
vote
1
answer
32
views
Is there a way to split up an AVCHD file into smaller files (Sony HXR-NX5R)
From an all day event shoot, I have a 13 hour file recorded on a Sony HXR-NX5R camera. Catalyst Browse transferred the 160GB file OK, Premiere imported the file (but choked for quite a while doing so),...
- 687
0
votes
0
answers
7
views
Premiere control with mouse wheel
In Premiere Pro, there are many places where mouse pointer gets a two-sided arrow:
It took me quite a while to figure out I have to click-and-hold while panning to adjust these "sliders".
...
- 111
0
votes
0
answers
31
views
variable timestamps for audio samples in MP4
Consider the following ffprobe output for a MP4 file. This is an extraction of first 10 frames in the audio stream and its metadata. The audio stream has a sampling rate of 48000, and is encoded with ...
- 141
0
votes
0
answers
20
views
Convert 540p to 1080px720p without using AI?
Is it possible to Convert 540p to 1080px720p without using AI?
I'm editing different movies into my productions but the video resolution is not uniform.
I use StreamFab to download the videos at ...
- 11
0
votes
0
answers
10
views
Best ffmpeg compression settings for fast seeking of long 4 hour clip
I've got a low-resolution 4 hour clip, and need to do a lot of seeking in the video to write down when stuff happens.
Do you have any suggestions for what format/settings would be the most "seek-...
- 113
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votes
0
answers
9
views
Time-lapse vs Drone Video Quality on Linkedin
When we post video on Linkedin, Time-lapase looks bad vs Drone video looks Crisp and clean. Video link and screenshot below.
See below
Time-lapse footage:
Drone Footage
Here is the Link to Original ...
1
vote
1
answer
29
views
Why does VMAF show lower then 100 on same image?
I'm testing ways to compare image similarity using ffmpeg. I'm looking at using SSIM, PSNR and VMAF.
For reference, I'm running the comparison with duplicated sources and expect a score of 100%.
...
- 121
0
votes
0
answers
11
views
Does Videopad support alpha channels / transparency in videos?
I use software from NCH called Videopad for all my video editing. I am trying to combine two video clips. The first is a standard MP4 video clip, but I have a second WEBM video file, encoded with the ...
- 111
0
votes
0
answers
3
views
Take Transform3D as input in a macro
I am creating a macro for a 3D object that needs to be adjusted to the result of a CameraTracker.
Instead of exposing the Transform's properties in the macro's editor, I would like to be able to take ...
- 101
2
votes
1
answer
40
views
Can FFmpeg create a gradient box with colors sampled from the box edges?
As shown in these video screen captures, I would like to replace the text in the upper left of the videos to another language.
What I am thinking is first to create a gradient box with colors that are ...
- 131
0
votes
1
answer
22
views
Davinci Resolve Fusion Media In get two different clips from the timeline in adjustment clip
I have created a fusion composition in an adjustmen clip that takes two input videos.
My MediaIn1 comes from the "background" and my MediaIn2 comes from the MediaPool.
I want to be able to ...
- 101
1
vote
0
answers
53
views
FFMPEG - Partial fade effects
I'm having difficulty achieving the desired fading effect for the logo in my video using ffmpeg.
I would like to make a 3-second video (here is an example) with:
A background image (300x350 jpeg file)...
- 113
0
votes
1
answer
89
views
restreaming rtsp using ffmpeg delay problem
I have ip and usb cameras. I try restream rtsp from camera using ffmpeg and mediamtx (rtsp simple server). For usb camera it works fine without any delay:
mediamtx output:
anton@anton:~$ ...
- 1
0
votes
0
answers
35
views
Better compression for h265 transparent mov video
I created a 3d animation that I converted from an image sequence (211 pngs @ 30fps) using this command:
ffmpeg -framerate 30 -pattern_type glob -i '*.png' -vf "scale=460:-1" -c:v libvpx-vp9 -...
- 163
0
votes
0
answers
41
views
ffmpeg vaapi encoding with opencl filters
I would like to encode with hevc_vaapi and also to filter with nlmeans_opencl.
I've tried many combinations, such as
ffmpeg -y -vaapi_device /dev/dri/renderD128 -init_hw_device vaapi=vaapi -...
- 101
0
votes
1
answer
18
views
How can i go higher than the frequency limit set on EQ band 6 automation in davinci resolve
Very new to audio stuff so sorry if i get some terms wrong in advance.
I'm using automation to keyframe the frequency on band 6 in the EQ as shown here
Even when it hits the bottom, i still dont feel ...
- 123
0
votes
0
answers
27
views
How can I know the settings of a camera without being there?
I am an audiovisual student and I have to record a short sequence of a party.
My teacher asks us for a report with the following camera configurations:
ISO:
Fps:
Shutter:
Codec:
Format:
Contrast range:...
Jay
1
vote
0
answers
15
views
Washed out colours when converting MOV to WEBM using FFMPEG
I'm trying to convert a simple animation from MOV to WEBM so it can be used as an OBS alert for my Twitch stream.
However, when I convert using FFMPEG, the colour is slightly washed out.
This is what ...
- 11
0
votes
0
answers
24
views
Mxf DNxHD (Op-Atom) with ffmepg, problem with Da vinci resolve
I'am using ffmpeg to convert many video in .Mxf "Op Atom DNxHD 36"
If I export the file from davinci and try to reopen it with davinci, I can import it.
If I export the file with ffmpeg I ...
- 1
1
vote
1
answer
22
views
How can I improve my tracking and manual focusing of fast moving subjects? (using a hybrid mirrorles camera)
Context
I'm a videography beginer. I am an experienced enthusiast photographer.
I am trying to move into wildelife videography as a hobby. My aim at this stage isn't to create full peices but just to ...
0
votes
0
answers
13
views
How do I shorten the Kdenlive timeline length?
My cut-down video is 5 minutes long but the timeline is still 20 minutes long.
- 226
0
votes
0
answers
16
views
How to record glitch footage on a tv?
I’ve got an analog glitch fx module. It takes rca video input and outputs the same.
The footage is on my pc.
My plan is to connect it as follows.
Play the footage on my pc.
HDMI cable from pc to a (...
0
votes
0
answers
8
views
Need a program to make youtube videos with
I'm currently working on a youtube project with guitar playing in the videos. Is there any one program I can use to do this? I don't mind if it's paid or free. I need to capture both audio and video ...
0
votes
1
answer
54
views
FFmpeg does not encode chapter titles
I am trying to add chapters to a .mp4 file.
When I tried extracting the metadata using the following command:
ffmpeg -i INPUT.mp4 -f ffmetadata FFMETADATAFILE.txt
I got an output file as follows:
;...
- 121
0
votes
0
answers
7
views
Concat two .ts files gets audio out of sync
I am trying to concat two .ts files using ffmpeg. The files look like
Part 0:
$ ffprobe -hide_banner part0.ts
Input #0, mpegts, from 'part0.ts':
Duration: 00:00:25.02, start: 1.408000, bitrate: 76 ...
- 101
0
votes
0
answers
10
views
Export for youtube: video shot with iPhone 14 promax with filmic pro log v3 4k 10 bit HEVC10 and Davinci resolve
I am editing a video which shot in iPhone 14 pro max using Filmic Pro, 4k-10 bit, HEVC10, 30 fps.
I colour grade the video using Davinci resolve 18.5.
While doing the color grading, it is showing nice ...
- 103
0
votes
0
answers
15
views
Can i delete all of my YouTube channel videos and start creating new content on a different category but on the same channel? Will it get monitized?
I want to change my YouTube channel niche and start creating content on a different category on the same channel that i currently have. The reason why i decided doing this is because my current ...
Ali.twoforkstower
0
votes
0
answers
98
views
Use ffmpeg to transform rtsp stream containing B-Frames and no DTS into fragmented mp4
The goal is to play a rtsp video stream in the chrome browser using Websocket and MSE. The structure of the system looks almost identical to https://stackoverflow.com/questions/73562944/ffmpeg-live-...
0
votes
0
answers
16
views
Words highlighting when talking
Is there any automatic way to make words highlight when talking? For example, when I display the phrase Join the StackExchange community, each word of the phrase is highlighted as I say it. I see many ...
0
votes
1
answer
24
views
Slideshow mp4 from jpg files with ffmpeg
Have an command to make slideshow mp4 from *.jpg files:
ffmpeg -r 1/3 -f concat -safe 0 -i <(ls -v *.jpg | sed "s|^|file '$PWD/|") -vf "scale='min(1920,iw)':min'(1080,ih)':...
- 1
0
votes
0
answers
29
views
How to crop iteratively and export new video in original resolution? (ffmpeg/cv2)
Let there exist some function process_frame that takes in the current frame from a video and crops it to some new dimensions X2 x Y2. This can be accomplished by slicing the frame to the new ...
- 1
0
votes
0
answers
103
views
How to convert Dolby Vision to SDR/HDR and sustain metadata?
Now I have a Dolby Vison streaming with Filmmaker mode which is from DV cert. lab. I want to convert this streaming file to SDR and HDR. I'm an outdoor for ffmpeg. Who can help me to write a ffmpeg ...
- 1
0
votes
0
answers
30
views
Rounded Border in .ass subtitle
I am highlighting subtitle like this
Dialogue: 0,0:00:00.00,0:00:05.00,Default,,0,0,0,,{\t(0,500, \3c&H00FFFF&\3a&H128&)}highlighted
How to change the border so it will look rounded?
I ...
0
votes
0
answers
20
views
ffmpeg extract multiple frames from single input
I'm trying to dynamically extract multiple different frames from single video input. So the command I'm calling looking like this
ffmpeg -loglevel debug -hide_banner -t 13.269541 -y -ss 0 -i "...
0
votes
2
answers
25
views
Can not upload 4K 60 FPS video from Iphone 14 Pro to Youtube with default settings
I can not upload 4K 60 FPS video from Iphone 14 Pro to Youtube from PC (with Camera default settings).
Site says about unsupported format.
How to fix this without 3rd party apps?
- 103
0
votes
1
answer
20
views
How do you edit the video by lowering the quality and then uploading it again using Premiere Pro like this video?
https://www.youtube.com/shorts/cXGA9wAMuSY
I want to edit it like this video, but I want to know how to edit it by lowering the quality and then raising it again.
- 3
0
votes
0
answers
28
views
Windows 11 video capture program not recording audio with video
I'm wondering if the stock video capture program is used solely for video and not audio. Are there other programs that will record video with audio (for Youtube)? Am I missing something here (settings ...
0
votes
0
answers
26
views
Audio and Video Streaming Issues with FFmpeg
I am trying to use FFmpeg to stream a specific window on my computer. While the video works flawlessly, adding the audio is being problematic. Whenever I had audio (using -f dshow), the video's fps ...
0
votes
0
answers
17
views
ffmpeg: preserve quality in trimmed video from a HEVC (h.265) source video
I've have some screen recorded video with OBS software using the video codec "NVIDIA NVENC HEVC" (which is h.265 via GPU hardware) using CQP level 17.
Full encoder options in OBS were:
The ...
- 101
0
votes
0
answers
15
views
no access to m3u8 when using ffmpeg
I have a code that allows me to download videos from .m3u8, but for some reason it hasn't worked since yesterday
ffmpeg -user_agent "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (...
0
votes
0
answers
19
views
Output from ffprobe and understanding where are the file differences?
Just for learning purposes, who can answer this:
I have two video files, lets call it video1.mp4 and video2.mp4 (their size in bytes are exactly the same).
Upon doing file compare in Windows "fc ...
- 135
0
votes
0
answers
18
views
How Do I Batch Convert to Ogg Theora with FFmpeg6?
Good evening.
I'm struggling to figure out a set of ffmpeg6 commands/flags for the following scenario:
I have a large batch of 1080p 5.1ch lossless MKV's (courtesy of MakeMKV) that I want to encode to ...
- 1
0
votes
0
answers
6
views
Infinite Rainbow Circle Loop
I was wondering if anyone can think of a way of recreating this infinite rainbow circle loop in After Effects
https://giphy.com/gifs/loop-rainbow-unicorn-l0LIYv9tJFIVHxF5u
0
votes
0
answers
18
views
Using Batch Files and ffprobe what is the best approach for finding 5 videos with lowest preset?
I am on Windows 10 Pro.
I am trying to find an effcient logic or way using a batch file, to search for videos in a folder.
And give me 5 file names w/paths that have the lowest bitrate or video preset....
- 101
0
votes
0
answers
11
views
Discrepancy in video duration when adjusting speeds using FFmpeg filters
I am working on a project that involves aligning dubbed audio with corresponding subtitles by manipulating video speeds. While I have been using FFmpeg (both directly and indirectly via MoviePy) for ...
- 1