video-recording Questions

3

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I am currently doing a motion detection project that records down video when motion is detected. Right now there is no error when recording the video but when i check on the video, it is 0 bytes. A...
Coletta asked 12/7, 2017 at 4:6

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Introduction When using the MediaRecorder on the browser to record a video stream, depending on the browser (Chrome, Safari, or Firefox) the MediaRecorder can record videos in a specific format. T...
Syblesybley asked 27/4, 2023 at 20:52

3

I'm using MediaCodec in my project to encode videos from camera. For some reasons i need to set KEY_I_FRAME_INTERVAL to 0, which means that every frame in recorded mp4 video will be a key frame (ke...
Reamy asked 1/2, 2016 at 15:29

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I want to record video of whatever happens on surface. I'm playing video on surface and showing camera preview over it. I want to record both in one video and export as .mp4. what should I do for i...
Alunite asked 16/12, 2021 at 12:28

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I recently started flutter and in my project I have to record a video with timer. I am getting this error when I click on stop button to stop the video recording. I tried to display the path and I ...
Ironware asked 4/1, 2022 at 7:36

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I recording video using MediaRecorder.When using back-camera,it working fine,but when using front camera,the video captured is being flipped/inverse.Means that the item in right,will appear on the ...
Sisera asked 9/11, 2017 at 9:4

2

I'm trying to record a video at 60(or more)fps rate on Camera2(android.hardware.camera2) APIs. Finally, I succeeded recording at 120fps using CameraConstrainedHighSpeedCaptureSession. But it is on...
Roussillon asked 23/6, 2016 at 7:52

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I've developed a dual camera app in ios. It has this layout. While developing, I came across the challenge of saving the video in this specific layout. I couldn't think of any other way of recordin...
Chuvash asked 8/9, 2021 at 12:34

3

I am new to gstreamer, I want to record both audio and video save it into .mp4 format, Recording video using webcam and audio using MIC Here this is my pipeline gst-launch-1.0 -e v4l2src ! queue...
Geld asked 14/3, 2018 at 5:18

2

I'm made a record video app, but the first frame always be black. I use: - (void)captureOutput:(AVCaptureOutput *)captureOutput didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer fromConnectio...
Overhang asked 26/7, 2013 at 9:25

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Hi I am in the process of developing an app with flutter with video recording functionality. I have come across 2 plugins with ability to capture/save an image as a file with flutter: Camera v0.0...
Morril asked 10/2, 2018 at 7:57

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I am recording video in iPhone I want to get the recorded duration time of video. Is there any way to get the recorded video duration time. Here is the code where I get the recorded video along wi...
Nephron asked 19/6, 2013 at 6:3

1

I'm using FFmpegVideoRecorder - Customizable Video Recording Library for Android in my app for video recording. I followed the instructions on GitHub and installed the library. When I run the app ...
Ladonna asked 26/8, 2019 at 5:34

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In my app I need the ability to take and upload or save a short 5 to 15 second video. I also need to be able to save the video if the user is offline, and upload it when connected to internet. I c...
Spitler asked 21/3, 2019 at 0:22

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Using SCRecorder want to save video after recording, with different playback speed chosen by user ex: 2x, 3x. Using AVPlayer, it can be achieved using this code: //create mutable composition AVMut...
Salient asked 7/12, 2018 at 6:15

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i am trying to record video and want to show the seconds of on going recording. how should i do this? public void startRecording(View v) { flipCamera.setVisibility(View.GONE); captureImage.set...
Wartime asked 14/6, 2014 at 7:10

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What is the best way to record a video with augmented reality? (adding text, images logo to frames from iPhone/iPad camera) Previously I was trying to figure out how to draw into CIImage (How to d...
Radioscopy asked 2/3, 2018 at 9:26

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I want is to record reactions of user while watching youtube video, so there will be two videos on screen that will be recorded at the same time . one is Camera Video (Reaction video) and other one...
Carpogonium asked 21/2, 2018 at 7:25

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I record video (.mp4 file) using AVAssetWriter with CMSampleBuffer data (from video, audio inputs). While recording I want to process frames, I'm converting CMSampleBuffer to CIImage and processi...
Shuma asked 1/3, 2018 at 15:51

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I have automated scripts that run every night (around 50 scripts or testcases). I want to record a video of each test case (Selenium Java API + Cucumber). Is there any tool or way that i can ...

5

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This is the code i used to record video from an android device in MP4 format. The file is being created but is of 0 bytes size. I dont seem to understand what has gone wrong. Any help will be appre...
Feverwort asked 11/3, 2012 at 18:30

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I have been trying to figure this out for a while, but for some reason, when I start recording a video with the camera, the preview zooms in. I have the following code from some examples: @Overrid...
Thackeray asked 2/9, 2016 at 16:3

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I'm using FFmpeg version 3.3.4 (installed via brew) through the command line to record my desktop during some automated tests on my macOS Sierra (10.12.6). I would like to record only a specific ...
Ovine asked 16/10, 2017 at 10:7

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I send a video file(capture from camera) to my PHP server using Retrofit 2,the video is successfully uploaded to a folder in server(I checked with FileZilla, the video exists in the folder),I assig...

5

When I record video by MediaRecorder, it always records in landscape mode, regardless of real device orientation. How to force MediaRecorder/Camera use real orientation ?

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