Tasmota/lib/lib_audio/ESP8266Audio/examples/MixerSample/MixerSample.ino

69 lines
1.6 KiB
C++

#include <Arduino.h>
#ifdef ESP32
#include <WiFi.h>
#else
#include <ESP8266WiFi.h>
#endif
#include "AudioFileSourcePROGMEM.h"
#include "AudioGeneratorWAV.h"
#include "AudioOutputI2S.h"
#include "AudioOutputMixer.h"
// VIOLA sample taken from https://ccrma.stanford.edu/~jos/pasp/Sound_Examples.html
#include "viola.h"
AudioGeneratorWAV *wav[2];
AudioFileSourcePROGMEM *file[2];
AudioOutputI2S *out;
AudioOutputMixer *mixer;
AudioOutputMixerStub *stub[2];
void setup()
{
WiFi.mode(WIFI_OFF);
Serial.begin(115200);
delay(1000);
Serial.printf("WAV start\n");
audioLogger = &Serial;
file[0] = new AudioFileSourcePROGMEM( viola, sizeof(viola) );
out = new AudioOutputI2S();
mixer = new AudioOutputMixer(32, out);
stub[0] = mixer->NewInput();
stub[0]->SetGain(0.3);
wav[0] = new AudioGeneratorWAV();
wav[0]->begin(file[0], stub[0]);
// Begin wav[1] later in loop()
Serial.printf("starting 1\n");
}
void loop()
{
static uint32_t start = 0;
static bool go = false;
if (!start) start = millis();
if (wav[0]->isRunning()) {
if (!wav[0]->loop()) { wav[0]->stop(); stub[0]->stop(); Serial.printf("stopping 1\n"); }
}
if (millis()-start > 3000) {
if (!go) {
Serial.printf("starting 2\n");
stub[1] = mixer->NewInput();
stub[1]->SetGain(0.4);
wav[1] = new AudioGeneratorWAV();
file[1] = new AudioFileSourcePROGMEM( viola, sizeof(viola) );
wav[1]->begin(file[1], stub[1]);
go = true;
}
if (wav[1]->isRunning()) {
if (!wav[1]->loop()) { wav[1]->stop(); stub[1]->stop(); Serial.printf("stopping 2\n");}
}
}
}