Questions tagged [avcapturemoviefileoutput]
70 questions
5
votes
2 answers
Stop Camera recording and save file when entering background
I've been looking for the answer for 2 days, but I can't seem to get it right...
I have an example app that records audio and video from the device using a AVCaptureSession and a AVCaptureMovieFileOutput.
When I start recording I…

Michiel Timmerman
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4
votes
2 answers
AVCaptureSession - add multiple outputs in parallel
I'm trying to record captured frames as video while performing image processing tasks on the frames at the same time in parallel.
I have a single AVCaptureSession which I have added two separate outputs to…

devuser27
- 81
- 2
4
votes
1 answer
Getting image from AVCaptureMovieFileOutput without switching
I would like to prevent lags when the app switches between video-recording and photo-taking: by using only AVCaptureMovieFileOutput and getting a snapshot from it when captured an image.
Just like how SnapChat does.
Is it possible somehow? I haven't…

Kárpáti András
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4
votes
1 answer
How do I record a video on iOS without using a preset?
The simpler way to record a video on iOS is by setting a AVCaptureSession.sessionPreset.
But that doesn't work for me since I want to control parameters like binning, stabilization (cinematic, standard, or none) and ISO.
I find the format I want and…

Kartick Vaddadi
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4
votes
1 answer
how to change orientation for AVCaptureMovieFileOutput in swift
I tried several different methods but they didn't help me. I want to change video orientation in AVFoundation. How can I make it?
override func viewDidLoad() {
super.viewDidLoad()
self.definesPresentationContext = true
// device…

Alexander Khitev
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4
votes
4 answers
AVCaptureSession addInput issues with ios8
I have an application with AVCaptureSession which work correctly with previous iOS versions, but then I tried run it on device with ios8, application crashed sporadic. but the problem wasn't solved. Exception getting in "[session addInput:input];"…

2vision2
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4
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0 answers
AVCaptureMovieFileOutput record audio only for the first video
I'm developing an application using swift that record video for a precise duration. That's 7 sec in this example.
All work's great for the first record, but the successive record doesn't contain audio but only video.
I read something about…

Marco
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4
votes
1 answer
Create MPEG-2 Transfer Stream with AVFoundation
I'm attempting to create a properly formatted video file for use in Apple's HTTP Live Streaming. Here is the code that creates the file:
// Init the device inputs
AVCaptureDeviceInput *newVideoInput = [[AVCaptureDeviceInput alloc]…

kubi
- 48,104
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3
votes
0 answers
iOS Swift how to convert AVCaptureSynchronizedSampleBufferData/AVCaptureVideoDataOutput to Data format or URL format
In my app i am using AVCaptureDataOutputSynchronizerDelegate for video output of recording through camera.
The data i got is AVCaptureSynchronizedSampleBufferData and i have to convert it into Data or Url format so that i am able to play the video…

Abhinandan Pratap
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3
votes
3 answers
How do you add an overlay while recording a video in Swift?
I am trying to record, and then save, a video in Swift using AVFoundation. This works. I am also trying to add an overlay, such as a text label containing the date, to the video.
For example: the video saved is not only what the camera sees, but…

Will Boland
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3
votes
0 answers
Is there a quality difference between output of AVCaptureMovieFileOutput and AVCaptureVideoDataOutput?
In the process of capturing a light trail photo, I noticed that for fast moving objects, there is slightly more discontinuity between successive frames if I use the sample buffers from AVCaptureVideoDataOutput compared to if I record a movie and…

Shravya Boggarapu
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3
votes
1 answer
iOS - Swift - Some audio when recording reached the maximum allowable length
I implemented a video recorder in Swift as part of an iOS app, where I set the maxRecordedDuration for the video output to 4 seconds (30 frames per second):
self.videoOutput?.maxRecordedDuration = CMTimeMakeWithSeconds( 4, 30 )
When the user starts…

Andi
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3
votes
1 answer
How to record the exact time of the first and last movie frame captured with AVCaptureSession?
I'm using AVCaptureSession to capture a video into a movie file. I want to get the exact timestamp of the first and last frame of the movie. How do I do this?
In AVCaptureFileOutputRecordingDelegate, the method…

algal
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0 answers
Pause/resume video recording using AVCaptureMovieFileOutput
I am recording file using AVCaptureMovieFileOutput by using this method:
startRecordingToOutputFileURL: recordingDelegate:
Now i want to incorporate pause/resume functionality while recording video.
Please guide me how is this achievable ?

Malik Boy
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3
votes
2 answers
How can I reduce the file size of a .mov video created with AVCaptureSession?
I am able to record a video using AVCaptureSession.But i want to
reduce it size.How can i do this ? I am getting final URL in Delegate
"captureOutput" method.
VideoDevice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
…

sai
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