Node / ReticulumProjects / MeshChatX.git / files / meshchatx / src / frontend / public / assets / js / codec2-emscripten / codec2-microphone-recorder.js

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T8b949e/**

* A simple class for recording microphone input and returning the audio encoded in codec2

*/

Tff7b72class Te6edf3Codec2MicrophoneRecorder Tb4b4b4{

Tff7b72constructorTb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72thisTb4b4b4.Te6edf3sampleRate Tff7b72= T79c0ff8000Tb4b4b4;

Tff7b72thisTb4b4b4.Te6edf3codec2Mode Tff7b72= Ta5d6ff"1200"Tb4b4b4;

Tff7b72thisTb4b4b4.Te6edf3audioChunks Tff7b72= Tb4b4b4[Tb4b4b4]Tb4b4b4;

Tff7b72thisTb4b4b4.Te6edf3audioContext Tff7b72= Tff7b72nullTb4b4b4;

Tff7b72thisTb4b4b4.Te6edf3audioWorkletNode Tff7b72= Tff7b72nullTb4b4b4;

Tff7b72thisTb4b4b4.Te6edf3microphoneMediaStream Tff7b72= Tff7b72nullTb4b4b4;

Tff7b72thisTb4b4b4.Te6edf3mediaStreamSource Tff7b72= Tff7b72nullTb4b4b4;

Tb4b4b4}

Tff7b72async Te6edf3startTb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72try Tb4b4b4{

T8b949e// load audio worklet module

Tff7b72thisTb4b4b4.Te6edf3audioContext Tff7b72= Tff7b72new Te6edf3AudioContextTb4b4b4(Tb4b4b4{ Te6edf3sampleRateTff7b72: Tff7b72thisTb4b4b4.Te6edf3sampleRate Tb4b4b4}Tb4b4b4)Tb4b4b4;

Tff7b72await Tff7b72thisTb4b4b4.Te6edf3audioContextTb4b4b4.Te6edf3audioWorkletTb4b4b4.Te6edf3addModuleTb4b4b4(Ta5d6ff"assets/js/codec2-emscripten/processor.js"Tb4b4b4)Tb4b4b4;

Tff7b72thisTb4b4b4.Te6edf3audioWorkletNode Tff7b72= Tff7b72new Te6edf3AudioWorkletNodeTb4b4b4(Tff7b72thisTb4b4b4.Te6edf3audioContextTb4b4b4, Ta5d6ff"audio-processor"Tb4b4b4)Tb4b4b4;

T8b949e// handle audio received from audio worklet

Tff7b72thisTb4b4b4.Te6edf3audioWorkletNodeTb4b4b4.Te6edf3portTb4b4b4.Te6edf3onmessage Tff7b72= Tff7b72async Tb4b4b4(Te6edf3eventTb4b4b4) Tb4b4b4=> Tb4b4b4{

Tff7b72thisTb4b4b4.Te6edf3audioChunksTb4b4b4.Te6edf3pushTb4b4b4(Te6edf3eventTb4b4b4.Te6edf3dataTb4b4b4)Tb4b4b4;

Tb4b4b4}Tb4b4b4;

T8b949e// request access to the microphone

Tff7b72thisTb4b4b4.Te6edf3microphoneMediaStream Tff7b72= Tff7b72await Te6edf3navigatorTb4b4b4.Te6edf3mediaDevicesTb4b4b4.Te6edf3getUserMediaTb4b4b4(Tb4b4b4{

Te6edf3audioTff7b72: Tff7b72trueTb4b4b4,

Tb4b4b4}Tb4b4b4)Tb4b4b4;

T8b949e// send mic audio to audio worklet

Tff7b72thisTb4b4b4.Te6edf3mediaStreamSource Tff7b72= Tff7b72thisTb4b4b4.Te6edf3audioContextTb4b4b4.Te6edf3createMediaStreamSourceTb4b4b4(Tff7b72thisTb4b4b4.Te6edf3microphoneMediaStreamTb4b4b4)Tb4b4b4;

Tff7b72thisTb4b4b4.Te6edf3mediaStreamSourceTb4b4b4.Te6edf3connectTb4b4b4(Tff7b72thisTb4b4b4.Te6edf3audioWorkletNodeTb4b4b4)Tb4b4b4;

Tff7b72thisTb4b4b4.Te6edf3_silentTap Tff7b72= Tff7b72thisTb4b4b4.Te6edf3audioContextTb4b4b4.Te6edf3createGainTb4b4b4(Tb4b4b4)Tb4b4b4;

Tff7b72thisTb4b4b4.Te6edf3_silentTapTb4b4b4.Te6edf3gainTb4b4b4.Te6edf3value Tff7b72= T79c0ff0Tb4b4b4;

Tff7b72thisTb4b4b4.Te6edf3audioWorkletNodeTb4b4b4.Te6edf3connectTb4b4b4(Tff7b72thisTb4b4b4.Te6edf3_silentTapTb4b4b4)Tb4b4b4;

Tff7b72thisTb4b4b4.Te6edf3_silentTapTb4b4b4.Te6edf3connectTb4b4b4(Tff7b72thisTb4b4b4.Te6edf3audioContextTb4b4b4.Te6edf3destinationTb4b4b4)Tb4b4b4;

Tff7b72if Tb4b4b4(Tff7b72typeof Tff7b72thisTb4b4b4.Te6edf3audioContextTb4b4b4.Te6edf3resume Tff7b72=== Ta5d6ff"function"Tb4b4b4) Tb4b4b4{

Tff7b72try Tb4b4b4{

Tff7b72await Tff7b72thisTb4b4b4.Te6edf3audioContextTb4b4b4.Te6edf3resumeTb4b4b4(Tb4b4b4)Tb4b4b4;

Tb4b4b4} Tff7b72catch Tb4b4b4{

T8b949e// ignore

Tb4b4b4}

Tb4b4b4}

T8b949e// successfully started recording

Tff7b72return Tff7b72trueTb4b4b4;

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{

Te6edf3consoleTb4b4b4.Te6edf3logTb4b4b4(Te6edf3eTb4b4b4)Tb4b4b4;

Tff7b72return Tff7b72falseTb4b4b4;

Tb4b4b4}

Tb4b4b4}

Tff7b72async Te6edf3stopTb4b4b4(Tb4b4b4) Tb4b4b4{

T8b949e// disconnect media stream source

Tff7b72if Tb4b4b4(Tff7b72thisTb4b4b4.Te6edf3mediaStreamSourceTb4b4b4) Tb4b4b4{

Tff7b72thisTb4b4b4.Te6edf3mediaStreamSourceTb4b4b4.Te6edf3disconnectTb4b4b4(Tb4b4b4)Tb4b4b4;

Tb4b4b4}

T8b949e// stop using microphone

Tff7b72if Tb4b4b4(Tff7b72thisTb4b4b4.Te6edf3microphoneMediaStreamTb4b4b4) Tb4b4b4{

Tff7b72thisTb4b4b4.Te6edf3microphoneMediaStreamTb4b4b4.Te6edf3getTracksTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3forEachTb4b4b4(Tb4b4b4(Te6edf3trackTb4b4b4) Tb4b4b4=> Te6edf3trackTb4b4b4.Te6edf3stopTb4b4b4(Tb4b4b4)Tb4b4b4)Tb4b4b4;

Tb4b4b4}

T8b949e// disconnect the audio worklet node

Tff7b72if Tb4b4b4(Tff7b72thisTb4b4b4.Te6edf3audioWorkletNodeTb4b4b4) Tb4b4b4{

Tff7b72thisTb4b4b4.Te6edf3audioWorkletNodeTb4b4b4.Te6edf3disconnectTb4b4b4(Tb4b4b4)Tb4b4b4;

Tb4b4b4}

Tff7b72if Tb4b4b4(Tff7b72thisTb4b4b4.Te6edf3_silentTapTb4b4b4) Tb4b4b4{

Tff7b72try Tb4b4b4{

Tff7b72thisTb4b4b4.Te6edf3_silentTapTb4b4b4.Te6edf3disconnectTb4b4b4(Tb4b4b4)Tb4b4b4;

Tb4b4b4} Tff7b72catch Tb4b4b4{

T8b949e// ignore

Tb4b4b4}

Tff7b72thisTb4b4b4.Te6edf3_silentTap Tff7b72= Tff7b72nullTb4b4b4;

Tb4b4b4}

T8b949e// close audio context

Tff7b72if Tb4b4b4(Tff7b72thisTb4b4b4.Te6edf3audioContext Tff7b72&& Tff7b72thisTb4b4b4.Te6edf3audioContextTb4b4b4.Te6edf3state Tff7b72!== Ta5d6ff"closed"Tb4b4b4) Tb4b4b4{

Tff7b72thisTb4b4b4.Te6edf3audioContextTb4b4b4.Te6edf3closeTb4b4b4(Tb4b4b4)Tb4b4b4;

Tb4b4b4}

T8b949e// concatenate all audio chunks into a single array

Tff7b72var Te6edf3fullAudio Tff7b72= Tb4b4b4[Tb4b4b4]Tb4b4b4;

Tff7b72for Tb4b4b4(Tff7b72const Te6edf3chunk Tff7b72of Tff7b72thisTb4b4b4.Te6edf3audioChunksTb4b4b4) Tb4b4b4{

Te6edf3fullAudio Tff7b72= Tb4b4b4[Tb4b4b4...Te6edf3fullAudioTb4b4b4, Tb4b4b4...Te6edf3chunkTb4b4b4]Tb4b4b4;

Tb4b4b4}

T8b949e// convert audio to wav

Tff7b72const Te6edf3buffer Tff7b72= Te6edf3WavEncoderTb4b4b4.Te6edf3encodeWAVTb4b4b4(Te6edf3fullAudioTb4b4b4, Tff7b72thisTb4b4b4.Te6edf3sampleRateTb4b4b4)Tb4b4b4;

T8b949e// convert wav audio to codec2

Tff7b72const Te6edf3rawBuffer Tff7b72= Tff7b72await Te6edf3Codec2LibTb4b4b4.Te6edf3audioFileToRawTb4b4b4(Te6edf3bufferTb4b4b4, Ta5d6ff"audio.wav"Tb4b4b4)Tb4b4b4;

Tff7b72const Te6edf3encoded Tff7b72= Tff7b72await Te6edf3Codec2LibTb4b4b4.Te6edf3runEncodeTb4b4b4(Tff7b72thisTb4b4b4.Te6edf3codec2ModeTb4b4b4, Te6edf3rawBufferTb4b4b4)Tb4b4b4;

Tff7b72return Te6edf3encodedTb4b4b4;

Tb4b4b4}

Tb4b4b4}