snapshot

libraries/audio-tools/tests-cmake/codec/aac-fdk/aac-fdk.cpp

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+#include "Arduino.h"
+#include "AudioTools.h"
+#include "AudioTools/AudioCodecs/CodecAACFDK.h"
+#include "AudioTools/AudioLibs/PortAudioStream.h"
+#include "audio.h"
+
+MemoryStream aac(gs_16b_2c_44100hz_aac, gs_16b_2c_44100hz_aac_len);
+PortAudioStream portaudio_stream;   // Output of sound on desktop 
+EncodedAudioStream dec(&portaudio_stream, new AACDecoderFDK()); // aac data source
+StreamCopy copier(dec, aac); // copy in to out
+
+void setup(){
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);  
+
+  dec.addNotifyAudioChange(portaudio_stream);
+  dec.begin();
+
+  portaudio_stream.begin();
+}
+
+void loop(){
+  if (aac) {
+    copier.copy();
+  } else {
+    auto info = dec.decoder().audioInfo();
+    LOGI("The audio rate from the aac file is %d", info.sample_rate);
+    LOGI("The channels from the aac file is %d", info.channels);
+    exit(0);
+  }
+}
+