Questions tagged [framerate]

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36 questions with no upvoted or accepted answers
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4
votes
0answers
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 ...
3
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1answer
19 views

Use of time remapping to stabilize the velocity of a rotating object?

I have a video of myself inside of a human-powered rotating drum. This video's shot at 60 frames per second, but due to to the unreliable velocity of human operators, this drum rotates at different ...
3
votes
1answer
96 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 ...
2
votes
2answers
50 views

Two video sources framerates vary by .01 FPS. Will this cause problems?

I'm just getting started and have some user-level equipment, not professional grade. My Sony Handycam outputs MTS and MP4 at 29.97 FPS. My LG K30 smartphone outputs MP4 at 29.98FPS Using Davinci ...
2
votes
1answer
185 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 ...
2
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0answers
82 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 ...
2
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0answers
59 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 ...
2
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0answers
271 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 ...
1
vote
1answer
11 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 ...
1
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0answers
12 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 ...
1
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0answers
8 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 ...
1
vote
1answer
16 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 ...
1
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0answers
40 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 ...
1
vote
0answers
247 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 ...
1
vote
0answers
33 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 ...
1
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0answers
65 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 ...
0
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0answers
23 views

Want to Blend Frames when Converting from 60fps to 30fps with FFmpeg

I have created some videos of a game I played to upload to YouTube. The game plays at 60fps & the original videos have been recorded at 60fps. However, YouTube re-encodes them down to 30fps using ...
0
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0answers
9 views

Variable audio drift from screen captured VR project in Unity

I'm new to video editing, and I need to sync up the audio and video from two different sources for a Virtual Reality game. Basically, I have the VR itself running in Unity on one computer, with the ...
0
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0answers
20 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, ...
0
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0answers
18 views

Editing issues with variable framerate input footage (Whatsapp videos)

I have to make a video for social media, mixing several short clips which have been sent to me via Whatsapp. I'm using Da Vinci Resolve 16. When taking the videos into the timeline, I get several ...
0
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0answers
85 views

FFMPEG concat with constant frame rate

I'm concatenating 2 video files 00000 and 00001: ffmpeg -y -f concat -safe 0 -i file_list.txt -loglevel error -c copy test.mp4 file_list.txt: file '00000.mp4' file '00001.mp4' 00000.mp4: Duration: ...
0
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0answers
8 views

How to export 20fps footage

I am trying to export a video stiched together with 20fps footage, my quick solution was just to export at 60fps but that leaves me with huuuuge files. Any workaround? Premiere doesn't seem to let me ...
0
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0answers
16 views

Video and audio frames not in sync

We have a ffmpeg filter based on avf_concat to dynamically insert frames and audio from a second set of input sources based on external..To substitute video and audio in a live generated HLS compliant ...
0
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0answers
28 views

FFMPEG Output with wrong frame rate

I am using python to combine several video files together using ffmpeg. Each of the videos files are exactly 20 seconds, 30.00fps, mp4 and the exact same resolution. When I concatenate the files, the ...
0
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0answers
48 views

ffmpeg: variable framerate with min and max

I know that combining -vsync vfr and -r 30 sets a ceiling to the number of frames in the output. But how do you specify a minimum framerate that should always be produced? As part of an encoding ...
0
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0answers
18 views

Video plays back at half its frame rate and looks weird in Final Cut Pro

I recorded a multi-cam interview video with 2x Canon camcorders, I set them to record at 50fps. Both of them did, and show that they were shot in 50fps within Final Cut, however, my GoPro recorded at ...
0
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1answer
23 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 ...
0
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1answer
540 views

Show current frame or display timecode (frames) on MPC-HC?

Does anybody know if this is possible? I know how to encode timecode display using ffmpeg but I would like to avoid this step and find a way in MPC (currently my favorite video player). CTRL+J doesn't ...
0
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1answer
468 views

Variable bitrate for AAC - how to reach it?

I tried encoding audio stream into AAC with a variable bitrate mode — I followed the advice from FFmpeg VBR Settings and changed my original option -b:a 128k to -q:a 1.3 in this original command ...
0
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1answer
16 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 ...
0
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2answers
248 views

how can I convert slow motion video into normal speed without losing fps or audio sample rate?

I want to download a slow-motion video playlist (with the frame rate of the videos being either 480 fps or 1000 fps.) and be able to speed up the videos at least 16x without losing the frame rate or ...
0
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0answers
92 views

Preparing videos for video machine learning with ffmpeg (equal frame rate, crop, reduce size, strip audio)

I'm working on video machine learning and have a directory with plenty of small (1min up to 14min) *.avi files with different sizes and aspect ratios, slightly different frame rates (e.g. 25 Hz, 22 Hz,...
0
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0answers
16 views

After Effects Time warp with scene cut sensitivity

I am trying to use time warp to adjust the frame rate of a video. The issue is that when a scene changes, time warp tries to create frames in between the scene cut, causing strange ghosting and weird ...
0
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0answers
14 views

Several Frame Rates on one Timeline

I recently shot a trip for a group of kids that went to the USA . Not knowing any better, I shot everything at 59.94 fps so I could slow it down later if I wanted to. I recently started editing and I ...
0
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0answers
558 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,...
0
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0answers
744 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 ...