Thank you,

Yes, it's indeed strange that no log ouput is generated from that file. Do I need to setup the logging somehow? I tested another example and it seems like no LOG output is sent to the serial monitor from other files than the "main" c file.

I don't think that the generation of audio-esp ...

Changes I made in play_tone_mp3_example.c:

line 19:
#include "mp3_decoder.h" to #include "wav_decoder.h"

line 23-27:
#if __has_include("audio_tone_uri.h")
#include "audio_tone_uri.h"
#else
#error "please refer the README, and then make the tone file"
#endif

to
#include "audio_tone_uri.h ...

Thank you very much, David, your answer worked for looping an mp3 file from flash. Unfortunately, it does not work to seamlessly loop the file. I tried to modify the example to work with a wav file and wav decoder. But the same code plays the wav file only once and produces the following output:

I ...

I am trying to seamlessly loop a tone from flash.

I started from play_tone_mp3_example but I cannot get the tone to loop.

I made my own version of tone_stream.c and tried to reset the byte postition in the read function. But whatever I do, the stream stops after all bytes have been played. How can ...