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Can't play mono-channel audio. #2851

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NewajShovo opened this issue Jul 19, 2023 · 3 comments
Open

Can't play mono-channel audio. #2851

NewajShovo opened this issue Jul 19, 2023 · 3 comments
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@NewajShovo
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NewajShovo commented Jul 19, 2023 •
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macOS Version(s) Used to Build

macOS 13 Ventura

Xcode Version(s)

Xcode 14

Description

Hello everyone,
I was trying to play buffer with mono-channel format audio, but somehow the program is crashing.
Like this,

player = AudioPlayer();
let buffer = arrayBuffer[self.currentBufferIndex]; // holds array of buffer.
try? player.load(buffer: arrayBuffer[self.currentBufferIndex]);
engine.output = player
player.play();
player.completionHandler = playBuffer

Just to be specific the format is like this,

ASBD: {
    mSampleRate: 16000.000000 
    mFormatID: 'lpcm' 
    mFormatFlags: 0xc 
    mBytesPerPacket: 2 
    mFramesPerPacket: 1 
    mBytesPerFrame: 2 
    mChannelsPerFrame: 1 
    mBitsPerChannel: 16 	
}

It's mandatory for me to play mono-channel audio. Unfortunately, I can't make it.
What do you think can be done?

Crash Logs, Screenshots or Other Attachments (if applicable)

No response
@NewajShovo NewajShovo added the bug label Jul 19, 2023
@NickCulbertson
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Before try? player.load(buffer: arrayBuffer[self.currentBufferIndex]); try setting the player.file to your audio file. That should update the format of the player.

@NickCulbertson
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Also try loading the audio file and buffer AFTER setting the engine's output.

@evan-templeton
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Can you provide the crash log? There's not a whole lot to go off here.

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@NickCulbertson @NewajShovo @evan-templeton