Questions tagged [framerate]

The tag has no usage guidance.

38 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
5 votes
1 answer
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 ...
midnite's user avatar
  • 151
4 votes
1 answer
247 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 ...
Christopher Anderssarian's user avatar
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 ...
Scott James Walter's user avatar
2 votes
0 answers
13 views

Using video to prove an alarm is flashing

I'm in a bit of an annoying problem. I know nothing about video, so sorry if I'm using wrong terminology. I live in an apartment buliding in downtown Tel Aviv. On the ground floor of my building there'...
Ram Rachum's user avatar
2 votes
1 answer
105 views

What frame rate is the iOS camera aiming for when it shoots 24fps VFR?

Almost every time we deal with footage that was shot on an iOS device in a post production workflow, we find it's Variable Frame Rate (aka VFR) rather than Constant Frame Rate (CFR). The hardware ...
electron.rotoscope's user avatar
2 votes
0 answers
204 views

ticker text does not run really smooth

I want to create a ticker text video like the news ticker you see sometimes in TV. So I use ffmpeg -loop 1 -i Transparent_800x20.png -vf drawtext="fontsize=16:fontcolor=black:fontfile=...
sigbert's user avatar
  • 21
2 votes
0 answers
119 views

The sixth frame is a repeat of the fifth frame

I'm analysing a dashcam video clip (avi format) frame by frame. According to media information when I open this video file, the frame rate is 30 fps. However I noticed that every sixth frame is ...
Michael's user avatar
  • 21
2 votes
0 answers
66 views

Bad yet good framerate after exporting through Media Encoder

Lately, I've been getting a weird issue with my Media Encoder exports. I usually import 2 files through After Affects CC: an "intro" one and the main movie, both at lossless quality, and export the ...
shroom's user avatar
  • 21
2 votes
1 answer
501 views

Framerate and timestamps in SubRip subtitles

I don't understand why the framerate of the video should affect timestamps in SubRip (*.srt) subtitles. If I am correct, when you convert a video from one framerate to another, the length of the ...
Adarsh Kumar's user avatar
1 vote
0 answers
10 views

Restoring High Frame Rate Video After Forced Slow Motion Conversion

I'm dealing with a tricky situation involving high frame rate video recording and need some guidance. For an experiment, I needed to record a video at a high frame rate. The only way to achieve this ...
Miles Jarra Gloekler's user avatar
1 vote
1 answer
319 views

How to encode scenes with different CRF into a H.264 MP4 video with a variable frame rate?

Source Material Having many scenes which essentially are still frames (for many seconds) Commonly found in: Slideshows, Screen Recording or Software Mockup/Prototype ✅ This kind of source material ...
porg's user avatar
  • 151
1 vote
0 answers
188 views

ffmpeg: How to decimate frame rate without recompressing, for I-Frame only video, like ProRes?

I use a capture device from Atomos to capture video in ProRes format over HDMI. The issue is, this device will only capture video in the exact same frame rate as the HDMI signal's refresh rate. So a ...
morphinapg's user avatar
1 vote
0 answers
56 views

Recovering 18fps super-8 from NTSC 59.94i: Duplicate frame removal?

I have a VHS tape made from 1970s-era super-8 home video footage (the originals for which are lost), and am trying to make what improvements I can. I used a Blackmagic UltraStudio to perform raw frame ...
Charles Duffy's user avatar
1 vote
1 answer
197 views

ffmpeg: Changes to FPS only work if I don't include audio in the export, how can I keep audio and choose the FPS value?

How can I export a video to .mjpeg at my selected FPS value (7 FPS for stop motion video) while including audio in the export? I use the -i input command in ffmpeg to include my .ogg audio file: ...
John Doe's user avatar
1 vote
0 answers
129 views

Any reliable benchmark for frame interpolation?

I want to use frame interpolation to convert videos from 30 FPS to 60 FPS. I found many programs for that: Davinci Resolve, Flowframes, SmoothVideo Project, Topaz Video Enhance AI (Chronos model), etc....
Franck Dernoncourt's user avatar
1 vote
1 answer
728 views

Difference Between 50i and 25p Video Formats

I have a Sony Alpha A5000 camera, and it has quite limited video recording options. In AVCHD format, there are basically two options: 50i and 25p. I do know the basic difference between these two scan ...
jte's user avatar
  • 11
1 vote
0 answers
83 views

Sony a6400 Slog2 and minimum shutter speed?

I'm starting with my sony a6400 to get into videomaking (or at least trying to). I'm shooting a short movie in Slog2 30fps 1080p, but I noticed that I can't set my shutterspeed to be the double of my ...
FabioEnne's user avatar
  • 111
1 vote
0 answers
558 views

Can I fix choppy video shot at wrong shutter speed?

I shot some video at 60fps with the intention of putting it in a 24fps timeline slowed down. (59.97 and 23.976 actually) Usually I shoot at a shutter speed of 1/125 for shots like this. I shot some at ...
Kerdos Media's user avatar
1 vote
1 answer
2k views

Editing a Mac Screen Recording in Premiere Pro causes image fragmentation

I'm making some tutorials about how to use a website. I'm using the built in Apple Screen Recording to record the screen on a Macbook Pro with a retina screen. I'm then loading the resulting .mov file ...
Stephen Graham's user avatar
1 vote
0 answers
228 views

If my footage is 15fps, why does Premiere try to create a 29.97 fps sequence when I create a sequence from it?

I'm editing some footage from Eecamm's Skype recorder. The footage appears to be 15fps 1280x720. In Premiere CC 2019, when I drop it onto the New Sequence icon, the sequence automatically generated ...
tomh's user avatar
  • 7,782
1 vote
0 answers
20 views

What is the best monitor refresh rate (in Hz) to remove flickering when filming at 24 frames per second with a 1/50 shutter speed?

I tried setting the monitor to 50 Hz and 100 Hz, but I still see flickering. Everything looked fine when the monitor was set to 60 Hz and the shutter speed to 1/25. That being said, I am trying to ...
sunknudsen's user avatar
1 vote
1 answer
2k views

How to change Timeline's output time from "Frames" to "Timecode" (Premiere Pro)

I was editing a video for a friend when I accidentally changed my Timeline's timestamps from "Timecode" to Frames" It has been really frustrating to figure out what second of footage I am on when ...
NaturalistUbuntu's user avatar
1 vote
0 answers
149 views

Screen-Video with 7 FPS (in Davinci Resolve - or other tools?)

I currently edit/cut a lot of computer screen recording footage. The original mp4 files have 7 FPS and I am totally happy with that quality. If I now edit the files in Davinci Resolve 16, the lowest ...
Christopher's user avatar
1 vote
0 answers
1k views

ffmpeg convert H264 CFR + timestamps to VFR

I have a H264 video source that was recorded with variable framerate (VFR) and a text file with frame ID, timestamp pairs that looks like this: frameId,timestamp 1890413473,13792093 1890413474,...
Phoenix's user avatar
  • 111
1 vote
0 answers
417 views

Trying to understand the delay converting a sequence of images to video

I am using java to create image files that I am converting to video using FFMPEG. I am creating the midi and audio simultaneously on reaper then using the duration of the notes on the midi file to ...
Ryan McCauley's user avatar
1 vote
0 answers
38 views

Frame rate in Premiere Pro CS5.5 problem

This is a unique situation. I started a new job and they have me using an old version of Premiere I'm not familiar with (5.5). I have an mp4 that is 48.93 fps. It plays back fine in video players on ...
Dre's user avatar
  • 11
1 vote
0 answers
89 views

GoPro 240 fps has duplicate frames

Is it a normal thing for there to be duplicate frames when looking at video footage? I am looking at video frame-by-frame from a GoPro Hero 4 Black and sometimes there appears two frames in a row ...
user3113647's user avatar
0 votes
0 answers
11 views

Galaxy A03s Not Recording at 30 FPS Constant - Mouth Movement and Audio Out of Sync

I have an unlocked Samsung Galaxy A03s [1]. Per the Samsung website, it's supposed to be specked at FHD (1920 x 1080)@30fps. Unfortunately, I almost never get it to actually record at 30fps constant. ...
Shawn Eary's user avatar
0 votes
0 answers
97 views

FFMPEG: Why can't I work in frames instead of HH:MM:SS?

I have a video-only stream that I removed the audio from without re-encoding. The video information is as follows. hevc (Main 10), yuv420p10le(tv, bt2020nc/bt2020/smpte2084), 3840x1608 Frame ...
user69136's user avatar
0 votes
0 answers
580 views

Confused about methods to speed up video

I have some CCTV recordings that I would like to speed up (like a timelapse) and I am confused about which method to use. I tested Avidemux and VSDC Video Editor and they both speed up videos in ...
nnamerz's user avatar
  • 101
0 votes
0 answers
1k views

MP4 file has incorrect length (duration) and plays back 5x slower than it should

I have five GoToMeeting (GTM) .mp4 recordings that I saved and downloaded from a five-day class I was teaching. Each recording represents each day's appx. 8 hour class duration. I am importing them ...
KurtM's user avatar
  • 1
0 votes
1 answer
29 views

Displaying High Framerate Content on a Low Framerate Display

What are the best practices for scaling down framerate of a static video. For example, consider some footage captured at 360 FPS from a videogame. How would one scale this down for a 60 Hz display or ...
cyberixae's user avatar
  • 101
0 votes
0 answers
230 views

Why do we still have difference between Media Time and SMPTE Time Code?

I'm implementing a web application which works with video sources with SMPTE time codes printed on it. Often the SMPTE and media time differs, my understanding of the reason based on what I have read ...
dfranca's user avatar
  • 101
0 votes
1 answer
81 views

h264 Settings for Motion Tracking & Analysis (technical photography)?

I'm trying to do "scientific" video motion analysis. Right now I'm using a Raspberry Pi camera, which records natively in h264, which then needs to be converted/wrapped as MP4. Is h264 an ...
float13's user avatar
0 votes
0 answers
939 views

Changing FPS from 29.97 to 30 in ffpmeg creates short blank at end of video, audio is fine

I am trying to merge 5 parts of a continuous video using ffmpeg. For some reason, the 1st part is encoded at 29.97 FPS, while all the others are at 30 FPS. part #1 : 29.97 fps, 29.97 tbr, 19200 tbn, ...
mach128x's user avatar
  • 101
0 votes
1 answer
572 views

Adobe After Effects - Why is my position marker not set to a frame?

In after effects, one of my compesitions is comprised soley of static images, vectors, solids, and other non-movie footage. One such static image layer lasts from frame 0 for 100 frames. Another user ...
Force Gaia's user avatar
0 votes
1 answer
36 views

Vegas Pro 13 : Project's and Timeline's framerate are suddenly not the same

So here's the thing : I'm editing on Vegas Pro 13, 25fps according to my origninal files. I just imported some sound I "mixed" externally. And now, my timeline acts in 24fps although my project is ...
Nydzia R's user avatar
0 votes
0 answers
1k views

How should I use Audition to convert audio for retimed 24fps to 25fps for broadcast?

I have to convert the audio tracks of my 24 fps movie to match up with retimed 25fps so that it can be exported alongside the 25fps video (just playback speed change) for broadcast transmission. I ...
user3450548's user avatar
  • 1,670