2 lines
14 KiB
JavaScript
2 lines
14 KiB
JavaScript
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c=t.getUint8(r+27+f,!0);if(this.decoderBuffer.set(e.subarray(a,a+=c),this.decoderBufferIndex),this.decoderBufferIndex+=c,c<255){var p=this._opus_decode_float(this.decoder,this.decoderBufferPointer,this.decoderBufferIndex,this.decoderOutputPointer,this.decoderOutputMaxLength,0),l=Math.ceil(p*this.config.outputBufferSampleRate/this.config.decoderSampleRate);this.HEAP32[this.decoderOutputLengthPointer>>2]=p,this.HEAP32[this.resampleOutputLengthPointer>>2]=l,this._speex_resampler_process_interleaved_float(this.resampler,this.decoderOutputPointer,this.decoderOutputLengthPointer,this.resampleOutputBufferPointer,this.resampleOutputLengthPointer),this.sendToOutputBuffers(this.HEAPF32.subarray(this.resampleOutputBufferPointer>>2,(this.resampleOutputBufferPointer>>2)+l*this.numberOfChannels)),this.decoderBufferIndex=0}}(4&o||i==n)&&this.sendLastBuffer()}}),this)},s.prototype.getPageBoundaries=function(e){for(var t=[],r=0;r<e.byteLength-32;r++)1399285583==e.getUint32(r,!0)&&t.push(r);return 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e=this._malloc(4);this.decoder=this._opus_decoder_create(this.config.decoderSampleRate,this.numberOfChannels,e),this._free(e),this.decoderBufferMaxLength=4e3,this.decoderBufferPointer=this._malloc(this.decoderBufferMaxLength),this.decoderBuffer=this.HEAPU8.subarray(this.decoderBufferPointer,this.decoderBufferPointer+this.decoderBufferMaxLength),this.decoderBufferIndex=0,this.decoderOutputLengthPointer=this._malloc(4),this.decoderOutputMaxLength=this.config.decoderSampleRate*this.numberOfChannels*120/1e3,this.decoderOutputPointer=this._malloc(4*this.decoderOutputMaxLength)},s.prototype.initResampler=function(){this.resampler&&(this._speex_resampler_destroy(this.resampler),this._free(this.resampleOutputLengthPointer),this._free(this.resampleOutputBufferPointer));var 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