All Questions
2,165
questions with no upvoted or accepted answers
8
votes
0
answers
5k
views
How to produce a zoom animation of a video source with ffmpeg?
I'd like to create a zoom-in animation over numerous frames of a video clip. I've tried a couple of approaches without much luck.
ffmpeg -i test-10s.mp4 -vf "zoompan=z='zoom+0.001'" zoompan-10s.mp4
...
6
votes
1
answer
1k
views
Making a Digital clock with a specific time for Sony Vegas Platinum 12
I'm using Vegas Platinum 12 and I want to create a time code in a video. But here is the catch. I want to start the clock at a specific time and have the count start at that time, i.e 05:21:34 or 21:...
5
votes
0
answers
827
views
Merge Insta360 INSV files into 360 video with ffmpeg 360vr filter
Insta produces 2 video files, from back and front camera. They have .INSV extenstion, but they are acutally mp4 video files. That's how they look:
And expected result is 360 panorama video:
Can I ...
5
votes
0
answers
2k
views
Normalizing audio output loudness (LKFS/LUFS) in DaVinci Resolve 16
DaVinci Resolve 16 adds a great feature that allows applying "Normalize audio levels" on a clip using the ITU BS.1770 or EBU R128 standards, to a target level of -23 LKFS/LUFS, or similar.
However, ...
5
votes
1
answer
2k
views
Largest input image size when encoding a video?
I got a bunch of really large 16 bit videos, approaching 65535×65535 pixels in size. These are essentially high quality timelapse panoramas. I want to convert them to a 7680×4320 movie (8K UHD, 8 bit)....
5
votes
0
answers
2k
views
Extract the frame (in image format) at exactly every minute (or second) from a video (by ffmpeg)
Motivation: I would like to seek the frame, then take high quality and exact time screenshots (images) from a video.
The video is length is 00:48:43.71 and 23.98 fps (we can think it is 24 fps, isn't ...
5
votes
3
answers
2k
views
Can I record directly to a computer with the HC-V250?
I'm considering purchase of the Panasonic HC-V250, but my primary use case is recording directly to a folder on my computer. (I do a lot of post-production editing, so I need all the files on my ...
4
votes
0
answers
132
views
Optimized Parameters of `FFMPEG` for Screen Recording
Windows has a great codec for screen recording called Windows Media Video Screen.
It generates artifacts free videos which are highly compressed (small size).
I was wondering, what would be the ...
4
votes
1
answer
605
views
How to fix the difference between duration of ffmpeg input and output?
I am trying to generate a video from a bunch of png images and audio using the command:
/usr/bin/ffmpeg -y -framerate 30 -pattern_type glob -i 'images/*.png' -i audio.wav -c:v libx264 -b:v 0 -crf 18 -...
4
votes
0
answers
8k
views
moov atom not found
I downloaded this video using youtube-dl's HLS downloader. The video was being HLS streamed using AES-128. Even though I could view it perfectly fine when it was being streamed in the browser, VLC ...
4
votes
1
answer
223
views
Is there a NLE that supports Variable frame rate?
Now before you quickly jump in and say:
Premier got an update...
Use handbrake...
What I'm asking none of the big players seem to support.
Rendering a video that's frame rate changes through the ...
4
votes
1
answer
107
views
Camera Is Shaking Slowly After Changing Its Position
In Unity 3D I have a series of camera movements, but some don't successfully complete. Instead of the camera coming to rest, it ends up vibrating around the target location.
I have the video of my ...
4
votes
2
answers
311
views
Free software for batch basic editing and down-sampling
I have a bunch of TV shows in HD that I want to down-sample to SD and at the same time strip out the titles and credits.
Handbrake has great encoding and can handle batches, but I can't find a way to ...
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 ...
4
votes
0
answers
637
views
GStreamer mpegtsmux produces empty output file
I'm trying to construct a GStreamer pipeline to transcode MPEG2 video and MPEG1 audio in a MPEGTS container to H.264 and AAC and output to a filesink.
The problem is: the output file is empty.
If I ...
4
votes
0
answers
3k
views
Getting FFMPEG to stream video+audio through RTMP
Can someone help me with this:
The video streams fine but I can't hear any audio. I just hear random click sounds. Please help:
ffmpeg -f video4linux2 -channel 1 -i /dev/video0 -f alsa -i plughw:2,0
...
4
votes
0
answers
2k
views
FFmpeg map_channel and video
I have a file that has the following format (note the number of tracks and channels within each track):
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'a.mov':
Metadata:
major_brand : qt
...
4
votes
1
answer
280
views
GoPro looping settings
I'm using my GoPro Hero3 White as a dashcam.
Setting it to overwrite files, I encountered 2 strange things:
5min settings give me 1min files, and 20min settings give 5min files.
The counter stops at ...
4
votes
2
answers
173
views
Is there an automated process to split a video into sections with motion?
I have some video files with a reasonably static background and the occasional movement in the scene. I would like to edit down the footage to just the sections with movement in. As there are ...
4
votes
2
answers
10k
views
Adobe Premiere Pro CC aspect ratio streched
Couple of last times I rendered with Premiere Pro I notified that aspect ratio is stretched by height. I'm rendering 1280x720 at 1.333 aspect, and it worked fine every time till now, I didn't change ...
4
votes
0
answers
155
views
Building smarter elements for Final Cut Pro X with Motion 5
Help me not look like an idiot who's schizophrenic about the date.
I am producing a series of videos recorded at a monthly event. The client webcasts the event live and wants to raise awareness of ...
4
votes
0
answers
2k
views
Removing silence and no movement from videos
Using Windows 7, which program helps me
Remove silence, like the option in adobe audition
Remove still images in video, when nothing happens
in the same program?
Both functions should require a ...
4
votes
2
answers
1k
views
What does the Multi-Camera Record On/Off Toggle do in Premiere Pro?
My experience
I'm currently creating a multi-camera sequence in Premiere Pro CC 2020 14.1.0 (build 116). I created my multicam sequence and everything is working fine.
When I press play, my sequence ...
3
votes
0
answers
47
views
One of my clip's Preview's isn't showing and the timeline color isn't showing in Adobe Premiere Pro. What should I do?
Me and my partner are working on a project in Premiere Pro of which I saved on the Creative Cloud directory and carefully synced all the files. My partner (who shot the video) from the other end ...
3
votes
0
answers
812
views
How can I change the sample rate of an audio file, without re-encoding?
I have a lossy AAC audio file. I would like it to be slightly faster, and slightly higher pitched. I would like to avoid loosing any audio quality, such as by re-encoding the stream.
I am well aware ...
3
votes
0
answers
164
views
Keeping child object still while parent is moving in AE
In After Effects, there's lots of times I've used the Parent feature (e.g., limbs of a body). However, I've run into an issue several times where I'd like the child layer to be still while the parent ...
3
votes
2
answers
621
views
AE Expression: Define FontSize
I'm making a complicated watch UI with a lot of expressions linked to different values of the display.
As you can see from the image below, 9hrs isn't bonded to an expression yet, but it's graphically ...
3
votes
0
answers
29
views
What does the 'evolution' property under Turbulent Displace in After Effects do?
It seems to add a ripple effect the more I increase the degree, but would like to read about it somewhere more. Couldn't find anything about it with a google/youtube search that specifically explains ...
3
votes
1
answer
53
views
How do you solve a difficult camera track?
I've got a tricky camera track to do. Steadicam footage on a stage with a load of musicians and some smoke. After Effects built in tracker is not happy. I've tried masking the musicians out and just ...
3
votes
0
answers
78
views
editing video (overlaying text) using AVfoundation is resulting weird behaviour in video
Whenever I move the pointer you can see video getting weird pixelation.
Complete video showing how it behaves in quicktime player: https://jmp.sh/TMaknmp
I am just applying overlay using ...
3
votes
0
answers
27
views
Help: Short film Credits (only 3 people)
I'm just finishing up my animated short and preparing to submit to film festivals but I'm unsure how to go about end credits. The visuals of the film (written, design, storyboards, animation, ...
3
votes
0
answers
55
views
How to rename linked comps between Premiere and After Effects
I create a lot of linked comps from Premiere into After Effects.
What's the right approach to renaming them, so that they don't all end up with generic meaningless names?
By default they are named:
&...
3
votes
1
answer
2k
views
How to remove background from video without green screen on the command line?
I'm looking for an ffmpeg-like tool to blur/remove/change a static background from a "talking head" video, on the command line with on-device processing.
Essentially,
ffmpeg-like-tool [--...
3
votes
0
answers
139
views
Adobe After Effects - Script - How to move puppet pins relative to some other pin/layer anchor?
I want to move some puppet pins relative to an anchor point.
Is there a simple script that does the math and makes the pin move with the anchor of a different layer?
This stuff seems pretty basic but ...
3
votes
1
answer
273
views
Displaying map overlay in Final Cut Pro
I often see a map overlay in people's driving videos (showing a map in a corner that moves along the street to match the camera location of the main video as they drive through a street).
How do I ...
3
votes
0
answers
1k
views
DaVinci Resolve 17 doesn't show video and shows black screen on imported multimedia
DaVinci Resolve 17 doesn't show video and shows black screen on imported multimedia.
I have VivoBook Pro X580VD, Quad Core model: Intel Core i5-7300HQ bits: 64 type: MCP arch: Kaby Lake, Device-1: ...
3
votes
0
answers
14
views
Is there a way to delete cache files on a per-project basis in After Effects?
Is there a way to delete cache files per-project in After Effects, instead of by date or by size of the cache?
3
votes
0
answers
25
views
Is there an easy way to hold a stabilizer?
I recently purchased this stabilizer in order to shoot some video footage:
https://www.walimex-webshop.com/en/walimex-pro-dslr-steadycam-stabypod-m-80cm.html
The stabilizer is easily balanced and I am ...
3
votes
1
answer
969
views
If I screen-capture a snapshot from a HDR movie, will the snapshot image be a HDR image?
I have a HDR movie content playing on a HDR supported PC, using software like the VLC layer. If I take a snapshot to get a png image file, will the image file include the HDR information? That is, if ...
3
votes
1
answer
91
views
After Effects - Keystroke to move focus to the Project Panel
Is there a keystroke / keyboard shortcut to move focus to the Project Panel?
I know CMD+0 toggles Project Panel visibility, but is there a key that when pressed can be followed by UP/DOWN arrows to ...
3
votes
2
answers
995
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?
3
votes
1
answer
142
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 ...
3
votes
0
answers
563
views
Audio out of sync when import file cut by ffmpeg with -c copy
I have a lot of clips made with ffmpeg using this command:
ffmpeg.exe -ss XX:XX -t XX:XX -i original.mp4 -c copy clip.mp4.
That copy option gives a couple seconds of silence in a result clip, but ...
3
votes
0
answers
128
views
How do I compress a video and preserve quality in moving areas?
It's easier to notice details in still objects compared to moving ones, so modern codecs save bandwidth by reducing detail during movement. However, this optimization seems far too pronounced to me ...
3
votes
0
answers
829
views
What is the difference between SRT and RTP?
I am trying to understand the benefits of SRT over other protocols like RTP. Haivision has a decent introductory explanation for SRT as well as a white paper, but I am unclear how it compares to RTP. ...
3
votes
0
answers
4k
views
Nginx RTMP didn't accept HEVC h265 input format
I'm trying to created live event broadcast on my VPS server , to make the audience able watch my broadcast I use Nginx RTMP that's produce link at this format http://192.168.1.5:8080/hls/live.m3u8 ...
3
votes
4
answers
4k
views
.mov file is not playing video in After Effects
I've recorded 7 videos yesterday. All recorded on a Canon 5D Mark III. The files are playing fine from Finder and Quicktime. But when I import them to After Effects, only one of them is not playing ...
3
votes
0
answers
4k
views
How to use ffmpeg to send video stream to another server that gives exactly same quality as manually copying the file to that server?
I tried doing this
ffmpeg -i tcp://192.168.1.41:5000?listen -c copy out.avi
and have another client publish to this server using
ffmpeg -i 1.avi -map 0 -c copy -f mjpeg tcp://192.168.1.41:5000
...
3
votes
0
answers
266
views
convert a normal video file into an SBS video in ffmpeg
I am looking to convert a file with ffmpeg into a side-by-side video without cropping or resizing. can you give me an example?
3
votes
1
answer
65
views
Is there a way in Premiere to process a file like logging and capture?
I have a list of timecode in and out points for the source footage, (the best takes etc).
Is there a way to process a file like logging and capture, processing the in and outs and saving as ...