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Questions tagged [metering]

26 questions
3
votes
3 answers

Android Camera App: Spot Metering

I'm trying to implement Spot Metering using an android phone. parameters.set("auto-exposure", "spot-metering"); However, I'm a bit confused as to how the metering works. If I understand correctly, Spot Metering works by selecting a…
Alec Tarashansky
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2 answers

AVAudioPlayer meter values still - 160

Trying to implement AVAudioplayer and get some metering data of the played music, but still getting value -160. It looks easy to use, just enable Meter and then pickup data under a timer, but no results so far. playerAV = [[AVAudioPlayer alloc]…
Vanya
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2
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1 answer

Android Camera2 - CONTROL_AE_REGIONS not working on Samsung devices

Using Android Camera2, I want to use a region to ignore the top 25% of the image when computing the exposure. I'm using this: // Compute the metering rectangle to ignore the top 25% of the picture: Rect newRect = new Rect(mActiveArraySize.left,…
Tim Autin
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1 answer

Apache HttpClient: Limit total calls per second

I need to limit the number of HTTP calls per second to max 10. This is as per the allowed quota. Does HttpClient has some feature for this? Or any custom implementation would also do.
Vipul
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0 answers

Samsung Galaxy S5 (G900H) has a broken "current_now" property in the battery driver?

I need to read the battery current value periodically. On Nexus devices, I do this (in unit uA) by reading /sys/class/power_supply/battery/current_now Lollipop (API 21) and higher has an API as well: BatteryManager bm…
Rahul Murmuria
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How to perform audio level metering with MPMoviePlayerController

My app streams remote audio content using MPMoviePlayerController. I would like to do VU metering (audio level metering) as done in the avTouch sample code from apple…
RawMean
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1 answer

What is the difference between monitoring and metering

I have a question. I want to know the differences between monitoring and metering In the developer's world. I think watching system logs, CPU usage, memory, and some other things using Grafana is Monitoring. But I can't catch the exact meaning and…
김대영
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How do we calculate the duration of a streaming session, and subsequently the cost for an individual App User, consuming the Google Speech APIs?

I have a critical question regarding pricing model of Google Cloud Speech APIs. We are integrating Google Cloud Speech APIs in our Android App. Our use case is to continuously transcribe audio bytes getting from microphone. It can be few min to…
Muhammad Rashid Mahmood
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vote
1 answer

ffplay / ffmpeg with audio and video filters

i tried to modify a already existing code for ffplay for hours, but I could not get it. I could not find a manual for vertical and horizontal stacking parameters. I’m always getting invalid argument errors when I try to adopt it to my needs. So I’m…
user10104150
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0 answers

android: camera metering not work in some devices

I need to metering in living broadcast, code below works properly in some devices (Vivo, oppo), but metering does not work in some device(Samsung and Meitu), how to metering in those devices? Here is my code (handleMetering is called when screen is…
dan
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2 answers

Ho Can I Smooth Audio Level Metering for a More Realistic Analog VU Meter?

I have built an emulated Analog VU Meter for a recording app and have everything hooked up properly and working the way I expect except for one aspect. If you watch this 13-second video of the VU meter in action, you will see that the needle bounces…
coneybeare
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vote
1 answer

ELK stack for storing metering data

In our project we're using an ELK stack for storing logs in a centralized place. However I've noticed that recent versions of ElasticSearch support various aggregations. In addition Kibana 4 supports nice graphical ways to build graphs. Even recent…
Mark Bramnik
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1 answer

Android custom camera setFocusAreas and setMeteringAreas not work on Samsung Devices

Maybe this question duplicate another question, but others i have not found a solution. I'm trying to write a custom android camera and the camera works fine on my device(HTC One).I tried some different devices, and works in one of them. but I'm…
Junior Develepor
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1 answer

IEC 61968 standard isn't "standardized"?

I am currently trying to adapt to IEC protocol. I'm looking at this document: IEC 61968-9 – Interface Standard for Meter Reading & Control. Messages described at begging of the document(UML schemas) don't match XSD schemas at the end of document.…
Mike Jackson
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How do I print the data I read from the mbus meter in a meaningful way?

Hello, I am developing an application in React Native. I have a hex format output from the Mbus meter and I want to show this data to the user on the screen in accordance with the Mbus protocol. But I can't just convert the incoming hex data into a…
Furkan Türkyılmaz
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