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Audio/video Programming

By : user3851014
Date : October 18 2020, 11:12 AM
like below fixes the issue Register for the regular (not iPad/iPhone) OS X developer program at developer.apple.com, download and install XCode tools, and then start reading the documentation for the CoreAudio and Quicktime APIs. You will quickly gain momentum.
code :

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which is the best programming language to capture Audio & Video (web based)?

By : Max Soloff
Date : March 29 2020, 07:55 AM
it helps some times Try out a jQuery plugin called ScriptCam.
It should give the functionality you want and it should work in all environments.

How to start programming on Audio/Video stream with c++?

By : vram
Date : March 29 2020, 07:55 AM
it fixes the issue About image processing:
Book: Digital Image Processing - R. Gonzalez, R. Woods

How can i insert 10 seconds of silent audio(null audio without images or video or black video) into video repeat every 1

By : Syed Muhammad Wali Q
Date : March 29 2020, 07:55 AM
hope this fix your issue I have a clip video.mp4 . How can i insert 10 seconds of only silent audio into this clip repeat every 15 seconds until the end of this clip with ffmpeg? I know anullsrc is an audio so i can't use overlay filter. I research on google for a while but the only option i have is gte(mod(t,15),10)). , Use
code :
ffmpeg -i in -vf drawbox=t=fill:enable='lt(mod(t,25),10)' -af volume=0::enable='lt(mod(t,25),10)' out
ffmpeg -i in -af volume=0::enable='lt(mod(t,25),10)' -c:v copy out

audio video programming in C , linux

By : Chandrasekaran Chand
Date : March 29 2020, 07:55 AM
may help you . On http://dranger.com/ffmpeg/ you find a very nice introduction to the ffmpeg c-api

Swift AVAssetWriter Record Video with Mic Audio AND Device Audio into a Video with ONE Audio Track AVAssetTrack

By : vikram tilekar
Date : October 11 2020, 09:00 PM
wish help you to fix your issue Use In this Class and after use in below function for recording start and stop:
code :
import AVFoundation
import ReplayKit

var rpScreenRecorder = RPScreenRecorder.shared()
var rpScreenWriter = RPScreenWriter()

func startRecord() {
    rpScreenRecorder.isMicrophoneEnabled = true
    rpScreenRecorder.startCapture(handler: { cmSampleBuffer, rpSampleBufferType, error in
        if let error = error {
        } else {
            self.rpScreenWriter.writeBuffer(cmSampleBuffer, rpSampleType: rpSampleBufferType)
    }) { error in


func stopRecording() {
    rpScreenRecorder.stopCapture { error in
        if let error = error {

        } else {
            self.rpScreenWriter.finishWriting(completionHandler: { url, error in
                if let url = url {
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