62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
/**
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* @file streams-url_mp3-metadata2.ino
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* @author Phil Schatzmann
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* @brief read MP3 stream from url and output metadata and audio!
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* The used mp3 file contains ID3 Metadata!
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* @date 2021-11-07
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*
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* @copyright Copyright (c) 2021
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*/
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// install https://github.com/pschatzmann/codec-helix.git
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#include "AudioTools.h"
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#include "AudioTools/AudioCodecs/CodecMP3Helix.h"
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#include "AudioTools/Communication/AudioHttp.h"
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// -> EncodedAudioStream -> I2SStream
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// URLStream -> MultiOutput -|
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// -> MetaDataOutput
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URLStream url("ssid","password");
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MetaDataOutput out1; // final output of metadata
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I2SStream i2s; // I2S output
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EncodedAudioStream out2dec(&i2s, new MP3DecoderHelix()); // Decoding stream
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MultiOutput out;
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StreamCopy copier(out, url); // copy url to decoder
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// callback for meta data
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void printMetaData(MetaDataType type, const char* str, int len){
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Serial.print("==> ");
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Serial.print(toStr(type));
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Serial.print(": ");
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Serial.println(str);
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}
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void setup(){
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Serial.begin(115200);
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AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
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// setup multi output
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out.add(out1);
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out.add(out2dec);
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// setup input
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url.begin("https://pschatzmann.github.io/Resources/audio/audio.mp3","audio/mp3");
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// setup metadata
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out1.setCallback(printMetaData);
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out1.begin(url.httpRequest());
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// setup i2s
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auto config = i2s.defaultConfig(TX_MODE);
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i2s.begin(config);
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// setup I2S based on sampling rate provided by decoder
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out2dec.begin();
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}
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void loop(){
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copier.copy();
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}
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