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Questions tagged [slowmotion]

46 questions
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React Native playing iOS Slo-mo videos

I'm using react-native-image-crop-picker (v0.34.1) to select a slo-mo video from an iPhone. After selecting the video, I am playing the video using react-native-video (v5.0.2). The slo-mo effects of the video are not reflected in the playback of the…
jsinek
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How to start camera preview in 240 fps range in android using CameraX?

I want to start my camera preview in 240 fps only. I am able to start the preview using CameraX android jetpack library but it is giving me 30 fps. I want to get 240 fps when I open my camera.
Mohit Kapoor
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Recording Slow Motion Video in iOS using objective C

I am trying to record slow motion video I have used AVCaptureSession to record the video at 240 fps and for slow motion effect I am using scaleTimeRange: here is the code: AVURLAsset* videoAsset = [AVURLAsset URLAssetWithURL:URl…
Harsh Srivastava
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AVAssetExportSession export a video in Normal Rate even video is 120FPS

I recorded a video in 120FPS. It is SLOW_Mo video. IF I export that video in CameraRoll using PHImageManager. Everything is ok like as VIDEO Effect is slow_mo. I can play it using QuickPlayer and AVPlayer and effect is 120FPS. This is my working…
Rahul Rawat
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How to play a normal video in Super Slow Motion Mode in iPad

I have created video player using AVPlayer. Video is playing very well. Now i am trying to play video in Super Slow Motion Mode. So i am changing frameRate value to 0.0001. But it seems AVPlayer unable to play in very slow mode. Kindly any expert…
Sucbe Sys
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How to activate slow motion when using ACTION_VIDEO_CAPTURE intent?

I use the ACTION_VIDEO_CAPTURE intent to capture videos with the default Camera app. But the slow motion button gets disabled (gray) when the app open. Yet, it works perfectly when I launch manually the app. Intent takeVideoIntent = new…
Jugali Lakota
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encoder 'aac' not enable exception while processing video for slowing

While chaging playback speed of video (making video slow) following exception occurs using FFMPEG android java library. [aac @ 0x416c26f0] The encoder 'aac' is experimental but experimental codecs are not enabled, add '-strict -2' if you want to use…
Amna Mirza
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Recording slow-motion video

We have a camera that records videos with high FPS rate - 163. To capture from the camera in C#, we use AForge.Video library. The capture works fine. For saving the video to a file, we use AForge.Video.FFMPEG.VideoFileWriter as…
SharpAffair
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Slow motion with SpriteKit

I am trying to accomplish a slow motion effect in my game. So far I am using the physics world speed property self.physicsWorld.speed = 0.4 and it works great. However the problem I am having is that in my scenes certain other Nodes use physics…
crashoverride777
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48 fps causes sigart on activeVideoMinFrameDuration update

Hi I am using PBJVision to do some video processing iOS. When setting to double default frame rate 24 fps -> 48 fps. I get the following error: 2015-10-16 15:02:48.929 RecordGram[2425:515618] *** Terminating app due to uncaught exception…
izzy
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Saving Slo-Mo videos in normal FPS

I have an AVMutableComposition made from a Slo-Mo video. In AVPlayer it plays in the right speed, because I have requested it from Photos using PHVideoRequestOptions.Original which doesn't include the Slo-Mo part for the video. However, exporting…
Aleksi Sjöberg
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Slow motion stander rates

I got videos from youtube that showing the soccer player while falling, most of these videos show the slow motion of the falling, I need the actual falling without the used slow motion. the fps for most of these videos are 23, 25, 29 fps. I have…
user1217585
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Creating a 25fps slow motion video from a 100fps GoPro .mp4 video with C++/OpenCV

I have a 100fps .mp4 GoPro video and I want to create from it a slow Motion one with 25fps. I'm trying since two days but to no avail. I could play the video, save a video from the GoPro's WiFi stream, but when I try to read the 100fps and save it…
El Zo
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iOS Slow Motion Record

I am trying to make a custom video recorder iPhone app, and I need to support 240 fps. However, when I set my AVCaptureDevice to use the format and the activeVideoMaxFrameDuration, the whole video view just get frozen. If I do with 60fps, 120fps,…
vodkhang
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How to re-encode a 120fps (or higher) MP4 from my Samsung Galaxy to a 30fps (example) so it plays on Windows like it does on the Samsung

I have some high fps slow-motion videos (mp4) that I've recorded on my phone, but when I copy them to windows and play them back, they play at the normal speed (or they play really fast), unless I slow down playback but this isn't a good…
remark70
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