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Questions tagged [framerate]

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0
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2answers
32 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 ...
3
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1answer
38 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
1answer
104 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 ...
1
vote
1answer
38 views

Problem setting different framerates with ffmpeg map option

I am facing a problem to set video streams framerates with FFmpeg when using the map option. Here is what I want to do: Given an input video file of 60fps, I want to generate an output file ...
4
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0answers
1k 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 ...
2
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0answers
69 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
56 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
225 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
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0answers
216 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
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0answers
28 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
51 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 ...
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0answers
6 views

premiere cs6 all clips play at same fps regardless of source fps

I have set up a project in Adobe Premiere Pro CS6. I have various source clips at two different frame rates, 29.97 and 59.94. Using various methods (i.e. "new sequence from clip", new sequence and ...
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0answers
4 views

Audio subtly out of sync with video - how to fix?

I have an MKV file that has an issue with the audio - it subtly lags behind the video. They start in sync, and then over the course of the whole clip they drift out of sync. My first idea was that ...
0
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0answers
34 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,...
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0answers
13 views

Do digital cinema projectors follow the same “dark-bright” pattern as traditional projectors?

Not sure if this is the right Stack Exchange for this question, but please point me toward a better site if it exists. In Daniel Dennett's book, "Consciousness Explained," he writes: Standard ...
0
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0answers
397 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 ...