SpeedControl | 汽车速度控制仪表盘 - 效果图如下： 觉得不错的话 右上角star 谢谢

I have an app who's foundation is essentially based on https://blckbirds.com/post/voice-recorder-app-in-swiftui-1/.

It's Swift / XCode 12.5.1 and works great. I call the audio using self.audioPlayer.startPlayback(audio: self.audioURL) which plays the recording perfectly.

Now I want to add the ability for the user to adjust the pitch and speed of the recorded audio. It doesn't have to save the changes, just apply the changes while playing the file on the fly.

I found https://www.hackingwithswift.com/example-code/media/how-to-control-the-pitch-and-speed-of-audio-using-avaudioengine which simplifies the process of applying pitch changes. I'm able to change the startPlayback above to

I am trying to make an audio player in SwiftUI, Audio player should have these functionality.

1. Play/Stop Audio
2. Play in loop
3. Change volume through slider
4. Change audio pitch through slider.

There are two problem currently I am facing

1. audio player is not using volume and pitch slider value
2. While I stop and play and change volume/pitch slider app crashes with following message.

2020-10-14 17:34:08.957709+0530 SwiftUIAudioPlayer[1369:24886] [avae] AVAEInternal.h:109 [AVAudioFile.mm:484:-[AVAudioFile readIntoBuffer:frameCount:error:]: (ExtAudioFileRead(_imp->_extAudioFile, &ioFrames, buffer.mutableAudioBufferList)): error -50

Here is the link to project. https://github.com/varun-naharia/SwiftUIAudioPlayer

ContentView.swift

ive got a Vue component which lets me zoom in on an image, using the mouse wheel works fine, however pinch zoom behaves strangely.

Basically if you put 2 fingers on the screen far apart it zooms in a lot, put them in closer together and it zooms in a bit. What should happen is it doesn't zoom in or out until you actually move your fingers in or out.

Any ideas?

I have got a Vue component where i can zoom in on an image and then move it around the container. When zoomed there is also a small viewport to show what part of the image is visible. However when moving the image around it is moving faster than the mouse, i'm guessing this is due to using the scale transform.

I also feel like when i'm clicking and dragging on the viewport I shouldn't be reversing the values twice however this seems to be the only way to get it moving the square with the mouse.

I have a .mp3 file that contains just voice and I would like to adjust the speed (slower or faster) while maintaining the same clarity. No chipmunks! Then write out the modified file to disk. In order to do this, I am trying to use the AVAudioEngine Framework but am a complete N00B to the framework. All the examples, I have found, are geared to modifying music or recording voice then playing it audibly. I just want to convert to a different speed and have it spit out the modified file. This was all I could figure out so far, I documented my confusion in the comments of the code.