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1
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1answer
21 views

Bit rate reduction when converting 60fps footage into 30fps?

I'm shooting at 60fps, the result is video playing back normal speed but displaying 60fps. I then have stretched the clip so that i get 30fps playback speed with a slow motion clip twice as long as ...
0
votes
0answers
19 views

Convert to a different frame rate smoothly (without jerky playback)?

Code: ffmpeg -i test.mp4 -i hello.mp4 -filter_complex "[1:v]setpts=PTS/1.24[v],[v]scale=iw/1.5:-1[ovrl]; [0][ovrl]overlay=(main_w-overlay_w-0.1): (main_h-overlay_h-0.1):shortest=1[v],[1:a]amerge,...
0
votes
1answer
39 views

How to change framerate with HandBrake without side effects

I'm making the 3rd instalment of my Sand Wars series (Sand Wars II) and I shot the majority of my footage at 60p (which I think means 60fps and progressive rather than interlaced). I do not want to ...
0
votes
1answer
22 views

60fps and 30fps clips exported into one file?

I have two cameras: one films in 30fps and the other in 60fps. These settings cannot be changed (why the manufacturer did that I don't know). When I export the finished product, which is the better ...
0
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0answers
24 views

ffmpeg: reducing the framerate of an an h.264 flv video file

I am trying to record a window on one machine, stream it via RTMP to a streaming server, record it, and then run ffmpeg to reduce its framerate. This is how I'm recording: ffmpeg -loglevel warning -r ...
0
votes
0answers
8 views

Bandicam not recording at correct frame rate

I made a basic pong game in Java and I'm trying to record a video of it using Bandicam. I set it up to record at 30 FPS, but after I recorded it I looked at the video and it only recorded at around 5 ...
0
votes
1answer
51 views

How to double video frames without any duplicate frames

My video details : DV-PAL 720x576i , 25FPS , duration=20s , frames=500 I need to increase (double) the video frames without any duplicate frame. I used the following commands to increase (double) ...
0
votes
1answer
24 views

FCP retime timelapse image gets blurry

If i retime (speed up) my 4k footage, the image gets blurry. If i stop the movie, i see a crispy still image! Why? I already tried to slow time the footage but it doesn't work Thanks
0
votes
1answer
52 views

Reducing the frame rate : the smooth video Issue

This is my smooth video. Video details: Frame rate=60 FPS Video codec: h264 Not have any audio stream I want to convert it to a PAL video, But I can't get smooth video. How to convert a high ...
2
votes
1answer
43 views

Matroska format's framerate is not accurate with certain values

If the Matroska format is used, in certain framerates it doesn't record at exact input framerate, but rather at a little higher than the input framerate. As an example: ffmpeg -video_size 1920x1080 -...
1
vote
1answer
16 views

Decimating files in Moviemaker

I need to find a way to cut down on the total number of frames in a video I'm editing. Essentially, if it was shot in 60 fps, I'd like to choose to only keep every 20th or 30th frame. The only ...
4
votes
1answer
78 views

Why is ffmpeg outputting a 600fps video from a 120fps video input?

I have a very short 120fps video. ffprobe input.mp4 shows 118.99fps: ffprobe version 3.0 Copyright (c) 2007-2016 the FFmpeg developers built with Apple LLVM version 7.3.0 (clang-703.0.29) ...
0
votes
1answer
37 views

How to compromise between byte rate, resolution and fps

I want to stream a video on a device full screen (therefore, the dimensions of the display are fixed) What should I focus on to offer the best experience for a given bandwidth? Should I have other ...
0
votes
0answers
15 views

Trim to last frame plus number of frames until zero

Have many video files aroudn 3 mins and all have small offest at the end. Adding them to playout software, after few hours of playing them all causes time to be incorrect, and i end up +10 offset in ...
0
votes
1answer
57 views

Photoshop animation dropping frames at 12fps or as image sequence

I have been kind of tearing my hair out trying to figure this out. I have a frame animation with 30 frames. I tried exporting it as a video set to 12fps. For some reason, what should be 2.5 seconds (...
1
vote
1answer
68 views

How to handle video with different frame rates in Lightworks?

Most video editing software allows me to import video of different frame rates, but Lightworks either does not have this feature still, or I cannot find it (on Lightworks or on the internet). Does ...
0
votes
1answer
163 views

Output is shaky after exporting an edit of several clips in Premiere Pro

I am quite new to video editing, and I am trying to make a clip out of different source footage: sources made from my DSLR are at 24FPS sources from my video camera are at 24.97FPS Other sources (...
1
vote
1answer
66 views

Does Vegas allow for rendering in frame rate different than source frame rate?

I filmed my short video in 60p, yes not 60i. I set the project in Vegas Pro 11 to 30 frame per second, but the only thing that seemed to get rid of scan line was to change the project to 30 frames per ...
3
votes
1answer
94 views

Is it worth exporting at the exact 29.97 FPS from Photoshop or just use 30 FPS?

My live action footage is Frame Rate 29.97 FPS. When exporting frame by frame animation from Photoshop that I intend to composite on top of the live footage. Since I have the ability in Photoshop to ...
1
vote
2answers
433 views

How to fix a 24fps shot that looks jerky when rendered at 30fps frame rate?

I accidentally shot one scene at 24fps instead of the 30fps I intended. I want to render it at 30fps (to fit the rest of the video), but the render from Premiere looks choppy, regardless of whether I ...
5
votes
2answers
95 views

Replacing footage to a video with different frame rate - how to make timeline clips not slip?

When I replace a footage to another video file which has got different frame rate from the old, the clips on the timeline slip because of the frame rate change. If I go to Modify -> Interpret footage,...
2
votes
1answer
70 views

GoPro why high frame rate does not reduce time

On latest GoPro 4 Silver with 64 GB when i set 1080p 30fps i get estimated 4 hour recording time but when i double the framerate it not only does not shoren it actually increases so with 1080p 60fps ...
4
votes
1answer
60 views

software for frame images to video with changing framerate?

I've got some frames that were captured over 24h at 2 frames a min. I want to convert them to video BUT with different playback speeds depending on when they were shot. I want to be able to use ...
2
votes
1answer
44 views

What are the main limitations on using the following setup to boost frames per second capturing?

Suppose I have two identical cameras, a red camera and a blue camera, that can both shoot videos at 1000 frames per second. If I set them up in the following set up, using a half-silvered mirror to ...
2
votes
1answer
91 views

CMOS readout time, frame rate, and delay between frames?

I know that in CMOS sensor, the exposure is perform in line by line. I can assume that the delay between the exposure of two consecutive lines is equal the readout time for one line. So the readout ...
5
votes
1answer
103 views

Adobe Encoder fps and duration doesn't match

I have After Effects project file 25 fps, 29 seconds duration long. After exporting i get 725 png files - looks normal so far. But then i merge it to mp4 using Adobe Encoder, I get total 24 seconds ...
3
votes
2answers
2k views

Interpreting 60fps to 24fps in Premiere Pro

I shot some footage on a Sony a7s at 59.94 fps so that I could slow it down in post to achieve a smoother camera movement. But when I interpret it to 23.976 fps in Premiere, it looks like it's ...
2
votes
0answers
235 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 ...
1
vote
1answer
116 views

Why do higher frame rates require lower resolution?

I've noticed that when comparing video camera specifications, higher frame rates usually require a lowered resolution. For example, the GoPro Hero4 Silver can get 15fps at 4k, 60fps at 1080p, 120fps ...
2
votes
0answers
43 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 ...
3
votes
1answer
119 views

What happens to frames when you speed up a video clip?

There is a 60 FPS video clip, with 1 Second total duration (So it has 60 frames, each 1/60s duration) I make it 2× faster. So it's has a 0.5s total duration. How about frames? How many frames are ...
1
vote
1answer
305 views

How to get a higher FPS without changing speed video through Adobe After Effects or Premiere Pro CC2014 letting the software create the missing images

I have a video that has been recorded at 7 FPS. I noticed that in the Windows properties of the video file, it is tagged as 25 FPS, and I see that the recorder has inserted each second fake frames (...
2
votes
1answer
29 views

fps changes during the record

I recorded myself using my LG G3 smartphone. Now I see that one video is 28.97 fps, another video is 28.81 fps according to the QuickTime Player stats. When I edit the videos in Premiere, the sound ...
2
votes
1answer
51 views

Automatically speed up video portions with no voice

I have recorded some video tutorials for our programming team. These consist of "live coding" exercises; basically, videos of me coding stuff. Thus, the video track is a screencast, and the audio ...
3
votes
1answer
71 views

Does filming in 30p as opposed to 60p provide a brighter video?

Does filming in 30p as opposed to 60p provide a brighter video? Would it be better to film at perhaps 24p in darker circumstances?
3
votes
2answers
342 views

25 frames per seconds and 30 frames per seconds footage in one seq

I filmed a short interview with 2 cameras. one shots in 25 fps and the other in 30 fps. When I open the sequence in Premiere I have to choose one frame rate and then one of the clips is out of sync. ...
3
votes
2answers
41 views

Specify a custom “Movie rec. size” on Canon Rebel

Can you specify a custom "Movie rec. size" on Canon Rebel? I have an SL1, and I'm trying to record at 1280x720 with 30fps. When I go the "Menu" screen I see that you can set "Movie rec. size." It ...
2
votes
1answer
71 views

2 videos out of sync

I recorded myself using my camera (canon ixus 117hs, 23.98fps) and also recorded my LG G3 using AZrecorder (records the screen at 55.58fps). I tried to sync both videos (using premiere pro cc) and at ...
2
votes
0answers
33 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 ...
1
vote
2answers
633 views

Changing playback speed by changing frame rate

My camera does simple time-lapse but it makes the videos in a 20fps format. I just want to change it to 30fps and yes I want to make the video play faster as a result. I do not want to only change the ...
2
votes
2answers
99 views

How to convert 25p to ntsc dvd?

I need to build a ntsc dvd from a 25p movie. I've read about different solutions: Using twixtor to get ntsc framerate Using DGPulldown to flag it up to 29.97fps What is the most professional way ...
1
vote
1answer
344 views

How do I alter just the framerate of a VP9 webm without affecting anything else?

I wish to change just the framerate of a VP9 encoded webm file. The source file has a framerate of 1000 FPS, and I'd like to change it to 30 FPS, without affecting the video/audio in any other way. I'...
7
votes
5answers
1k views

Are there only a few standard video frame rates?

In modern digital video, can a video file be marked with any arbitrary frame rate? Or are only a few specific frame rates widely supported? By "modern" I mean software players like Quicktime, VLC, ...
2
votes
1answer
2k views

Improving frame/image quality on Handbrake?

I created a .cdr file from a DVD and converted it to an .mp4 with Handbrake. My only issue is Handbrake's default settings create a somewhat grainy picture. The file size went from 1.24Gb to ~100Mb so ...
3
votes
2answers
820 views

Are there any free ways to increase the framerate of a video?

Suppose I have some footage at 30FPS that I'd like to have a copy at 60FPS with tween frames generated by interpolation (at this point I don't care too much about potential quality or artifacts.) And ...
3
votes
1answer
280 views

Encoding 720p 29.97 fps video, options in Adobe Media Encoder are 23.976, 24 or 59.94 fps

A little confused here, I have a video file that's 720p @ 30.303 fps. Working on it in Premiere Pro CC 2014 and ready to encode the file and the options I get for h.264 Blu-ray under frame rate are ...
2
votes
0answers
94 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 ...
4
votes
2answers
487 views

Are the properties (bitrate, fps) of my h.264 video OK for the web?

I'm converting a Flash vector animation to an mp4 video for the web. After trying and failing with Swiffy, it's the only way I have of preserving the work "for posterity", once Flash is gone. When ...
2
votes
2answers
284 views

Can I shoot in 16:9 then change it to 4:3?

I'm trying to get the old film look with Canon 600D, so I will be shooting in 640*480 25 fps. But what if I shoot in 16:9 at 24 fps, will I be able to get the same 4:3 after editing? (The reason I'm ...
6
votes
2answers
3k views

Does raising the framerate while not changing the bitrate result in quality loss?

AFAIK, the bitrate is the number of bits per second. So let's say I have two videos, both using the same codec, bitrate settings and resolution. If the first one has a framerate of 25fps, but the ...