Comments (2)
Well it comes down to it that this is called super slow mo, and that this way is simply easier.
Making it easy to double framerate or make it slowmotion by doubling frames and keeping the playback framerate is convenient once used to it.
But i think the main reason it's done, is because it's easy this way, you tell it how many intermediate frames you want (sf) and the final video fps. Without the user telling the program the target framerate, it would have to find that framerate in the original video as well. ffmpeg only extract images and then converts the new images into a video with the user specified framerate. The other case would be to detect framerate with ffprobe for example, putting the burden on the user to supply the path to that as well when running the script. But it's doable to just use original framerate multiplied with the sf factor.
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@Thomasedv is right. They stand for two different settings. You can either create a slow motion video by keeping the original frame rate or a high fps smooth video (like 120fps).
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Related Issues (20)
- ffmpeg error while running evaluation code. HOT 1
- Output interpolated image frames are of different size then input frames?
- What is the function of transforms.Normalize(mean=negmean, std=std)? Why use a negative mean๏ผ
- Error converting file:D:\Coding\JAVASCRIPT\recless\out\4fpsRecording.mkv. Exiting.
- PackagesNotFoundError: torchvision-cpu==0.2.0 HOT 3
- Runtime Error (Traceback Attached) HOT 23
- Frames are not extracted for any input video
- Differences with butterflow
- Slowdown a point of the video HOT 1
- "index 1 is out of bounds for dimension 0 with size 1" HOT 2
- Reference frames are different from the original ones. HOT 1
- sh: /Users/*/Downloads/ffmpeg/ffmpeg: No such file or directory HOT 2
- Add local file to Google Colab?? Or change length??
- How can I find the dataset of 240-fps video from YouTube HOT 1
- Training
- Objective metrics
- Could be faster by not saving PNG frames
- Image edge flicker
- low rate of utilization in test video
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