raw_sound

Description:

raw sound

raw_sound #


A flutter plugin for playing raw PCM audio data (16-bit integer and 32-bit float).
Platform Support #



Android (Kotlin)
iOS (Swift)




minSdkVersion 24
platform :ios, '14.0'


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Usage #

Create an instance of the RawSoundPlayer

final _player = RawSoundPlayer();
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Initialize the player instance with parameters of bufferSize, nChannels, sampleRate and pcmType

await _player.initialize(
// Buffer size of the underlying audio track (Android only)
bufferSize: 4096 << 3,
// Number of channels, either 1 or 2
nChannels: 1,
// Sample rate for playback in Hz
sampleRate: 16000,
// PCM format type, either PCMI16 (16-bit integer) or PCMF32 (32-bit float)
pcmType: RawSoundPCMType.PCMI16,
);
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Start the playback

await _player.play();
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Feed the player instance with the raw PCM data

// Demonstrate how to continuously feed the player until the playback is paused/stopped
while (_player.isPlaying) {
await _player.feed(dataBlock);
}
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Pause the playback

// Pause immediately and keep queued buffers
await _player.pause();
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Stop the playback

// Stop immediately and drop queued buffers
await _player.stop();
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Release the player instance

// Remember to release any initialized player instances
await _player.release();
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