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Questions tagged [videoquality]

32 questions
7
votes
3 answers

How to change Video PlayBack Quality with AVPlayer?

How can I change Video Quality like YouTube? Currently, I am playing with original quality and I am giving options like 360p, 480p, 720p for changing quality. How can I change it?
Kuldeep
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6
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1 answer

Why videos selected via UIImagePickerController high and medium settings can result in same quality attributes on the results?

Why are are videos selected with UIImagePickerController high and medium video quality settings resulting in exactly the same video attributes, at least on devices like the iPhone4 and iPad3? Details: We are using UIImagePickerController to let our…
Chris Markle
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3
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1 answer

How to quantify and compare video quality

I have a set of uncompressed videos in YUV format. I have obtained several derived copies in various formats and resolutions from these yuv files using FFmpeg transcoding. (YUVs ----> X Derived Copies) What I have also done is, transcode the yuv's…
Atish Kathpal
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3
votes
4 answers

ipad UIImagePickerController videoQuality

I am trying to set the video quality for the UIImagePickerController but I see something really werid now. The effect on the video quality only happen after I reset my application. I try to change the video quality based on some user setting, by…
vodkhang
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3
votes
1 answer

how can I set a HD screen recording using getDisplayMedia api?

I have created a screen recorder application using getDisplayMedia() API but the output video quality is not good, is there any way to configure the output video quality to get HD resolution video? I got a similar kind of question -> …
surya shubham
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3
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1 answer

Android Exoplayer - Different URLs for different video quality and change manually

I am using exoplayer in my application. I am using it to play video from a url. What i am trying to do is that i have three different urls for high,medium and low quality of same the video, and i would like to let the user to be able to change the…
Akhil Soman
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3
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1 answer

How can i change AVPlayer Video Quality while playing

I used this library for playing video from URL, and I am able to play video. Now I want to change the currently playing video quality like (low, medium, high). Library uses AVPlayer and how can i change quality with AVPlayer? I listen about…
Kuldeep
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3
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0 answers

Analyzing Video quality using Wireshark

I have an HTTP live stream with a bitrate of 6Mbps in a network and I am streaming the media from the origin server and getting the output at the Mac client after it passes through the real network having the different switches, routers, DSLAM and…
NitinG
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2
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2 answers

Right way to use vmaf with ffmpeg

I am trying to calculate the VMAF score of a processed video wrt the original file. Command I have used: ffmpeg -y -loglevel info -stats -i original.mp4 -i processed.mp4 -lavfi…
dravit
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2
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0 answers

AVAssetWriterInput Settings Quality vs. Filesize

Here's a rather specific question that's left me stumped. I'm writing a video recording software that captures video data from a webcam to an MP4. My software is going to replace a script that's already in place that triggers QuickTime Player to do…
Ari Black
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1
vote
1 answer

How to see the bandwidth consumed on different devices?

I need to check for a streaming app that the different video quality levels are respected. After searching, the easiest way to check the video quality is to switch to cellular mode (4G) and make a setting on the application (Low, Standard, High) and…
Caroline Dufour
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1 answer

How to keep the video resolution fixed in youtube video player in flutter?

I want to fix the video resolution to 240p manually in code. But how can I do it? And how does actually playbackQuality work? Whenever I use playbackQuality, it does not show any properties. Is it to fix the video quality? I did not find any…
Ruman mahamud
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1 answer

Copy iOS video quality settings for UIImagePickerController

When you setup UIImagePickerController one can/should setup the video quality, like: let imagePicker = UIImagePickerController() imagePicker.delegate = self imagePicker.videoQuality = .typeHigh // Setting video quality imagePicker.sourceType =…
mtet88
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1
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0 answers

Video Quality Assessement

i'm trying to design a pretraind cnn + lstm network in order to video quality assessment. i have done this steps: extracting frames and their quality score. resizing them to 224*224 i want to use this code, it's related to video classification and…
mohamad
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1
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1 answer

getting YouTube quality events using WebView

I'm trying to get events regarding YouTube video quality changes and rate adaptation and I have realized that there is no way to do that by YouTube Android API and switched to WebView and iFrame. At least there are functions of getting quality and…
Mikhail I
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