59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
/**
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* @file streams-google-audiokit.ino
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* @author Phil Schatzmann
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* @brief decode MP3 stream from url and output it on I2S on audiokit.
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* We are using the free google translate service to generate the mp3
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* @version 0.1
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* @date 2021-96-25
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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/arduino-libhelix.git
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#include "AudioTools.h"
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#include "AudioTools/AudioCodecs/CodecMP3Helix.h"
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#include "AudioTools/AudioLibs/AudioBoardStream.h"
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#include "AudioTools/Communication/AudioHttp.h"
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URLStream url("ssid","password");
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AudioBoardStream i2s(AudioKitEs8388V1); // final output of decoded stream
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EncodedAudioStream dec(&i2s, new MP3DecoderHelix()); // Decoding stream
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StreamCopy copier(dec, url); // copy url to decoder
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Str query("http://translate.google.com/translate_tts?ie=UTF-8&tl=%1&client=tw-ob&ttsspeed=%2&q=%3");
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const char* tts(const char* text, const char* lang="en", const char* speed="1"){
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query.replace("%1",lang);
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query.replace("%2",speed);
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Str encoded(text);
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encoded.urlEncode();
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query.replace("%3", encoded.c_str());
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return query.c_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 i2s
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auto config = i2s.defaultConfig(TX_MODE);
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i2s.begin(config);
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// setup decoder
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dec.begin();
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// display url
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const char* url_str = tts("this is an english text");
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Serial.println(url_str);
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// generate mp3 with the help of google translate
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url.begin(url_str ,"audio/mp3");
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}
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void loop(){
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copier.copy();
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}
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