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libraries/audio-tools/examples/examples-communication/http-client/streams-url_flac_foxen-i2s/streams-url_flac_foxen-i2s.ino

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+/**
+ * @file streams-url_flac_foxen-i2s.ino
+ * @author Phil Schatzmann
+ * @brief Demo using the Foxen FLAC decoder 
+ * @version 0.1
+ * @date 2025-01-09
+ * 
+ * @copyright Copyright (c) 2022
+ * 
+ * Warning: The WIFI speed is quite limited and the FLAC files are quite big. So there
+ * is a big chance that the WIFI is just not fast enough. For my test I was downsampling
+ * the file to 8000 samples per second! 
+ */
+#include "AudioTools.h"
+#include "AudioTools/AudioCodecs/CodecFLACFoxen.h"
+#include "AudioTools/AudioLibs/AudioBoardStream.h"
+#include "AudioTools/Communication/AudioHttp.h"
+
+const char* ssid = "ssid";
+const char* pwd = "password";
+URLStream url(ssid, pwd);
+AudioBoardStream i2s(AudioKitEs8388V1); // or replace with e.g. I2SStream i2s;
+
+FLACDecoderFoxen flac(5*1024, 2);
+EncodedAudioStream dec(&i2s, &flac); // Decoding to i2s
+StreamCopy copier(dec, url, 1024); // copy url to decoder
+
+void setup() {
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning);  
+  while(!Serial);
+  Serial.println("starting...");
+ 
+  // Open I2S: if the buffer is too slow audio is breaking up
+  auto cfg =i2s.defaultConfig(TX_MODE); 
+  cfg.buffer_size= 1024;
+  cfg.buffer_count = 20;
+  if (!i2s.begin(cfg)){
+    Serial.println("i2s error");
+    stop();
+  }
+
+  // Open url
+  url.begin("https://pschatzmann.github.io/Resources/audio/audio.flac", "audio/flac");
+
+  // Start decoder
+  if (!dec.begin()){
+    Serial.println("Decoder failed");
+  }
+}
+
+void loop() {
+  copier.copy();
+}