Tasmota/lib/ESP8266Audio/tests/host/mp3.cpp

76 lines
2.0 KiB
C++
Executable File

#include <Arduino.h>
#include "AudioFileSourceSTDIO.h"
#include "AudioOutputSTDIO.h"
#include "AudioGeneratorMP3.h"
#include "AudioFileSourceID3.h"
#include "AudioFileSourceBuffer.h"
#include "AudioOutputMixer.h"
#define MP3 "../../examples/PlayMP3FromSPIFFS/data/pno-cs.mp3"
// Called when a metadata event occurs (i.e. an ID3 tag, an ICY block, etc.
void MDCallback(void *cbData, const char *type, bool isUnicode, const char *string)
{
(void)cbData;
Serial.printf("ID3 callback for: %s = '", type);
if (isUnicode) {
string += 2;
}
while (*string) {
char a = *(string++);
if (isUnicode) {
string++;
}
Serial.printf("%c", a);
}
Serial.printf("'\n");
Serial.flush();
}
// Called when there's a warning or error (like a buffer underflow or decode hiccup)
void StatusCallback(void *cbData, int code, const char *string)
{
const char *ptr = reinterpret_cast<const char *>(cbData);
// Note that the string may be in PROGMEM, so copy it to RAM for printf
char s1[64];
strncpy_P(s1, string, sizeof(s1));
s1[sizeof(s1)-1]=0;
Serial.printf("STATUS(%s) '%d' = '%s'\n", ptr, code, s1);
Serial.flush();
}
int main(int argc, char **argv)
{
(void) argc;
(void) argv;
AudioFileSourceSTDIO *in = new AudioFileSourceSTDIO(MP3);
AudioFileSourceBuffer *buff = new AudioFileSourceBuffer(in, 2048);
buff->RegisterStatusCB(StatusCallback, (void*)"buffer");
AudioFileSourceID3 *id3 = new AudioFileSourceID3(buff);
id3->RegisterMetadataCB(MDCallback, (void*)"ID3TAG");
AudioOutputSTDIO *out = new AudioOutputSTDIO();
out->SetFilename("jamonit.wav");
AudioOutputMixer *mix = new AudioOutputMixer(17, out);
AudioOutputMixerStub *stub = mix->NewInput();
void *space = malloc(29192);
AudioGeneratorMP3 *mp3 = new AudioGeneratorMP3(space, 29192);
mp3->begin(id3, stub);
while (mp3->loop()) { /*noop*/ }
mp3->stop();
out->stop();
free(space);
delete stub;
delete mix;
delete mp3;
delete out;
delete id3;
delete buff;
delete in;
}