import esp audio lib
This commit is contained in:
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/*
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AudioOutput
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Base class of an audio output player
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Copyright (C) 2017 Earle F. Philhower, III
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _AUDIOOUTPUTNULLSLOW_H
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#define _AUDIOOUTPUTNULLSLOW_H
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <linux/soundcard.h>
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#include "AudioOutput.h"
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class AudioOutputNullSlow : public AudioOutput
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{
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public:
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AudioOutputNullSlow() { };
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~AudioOutputNullSlow() {};
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virtual bool begin() { samples = 0; startms = millis(); return true; }
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virtual bool ConsumeSample(int16_t sample[2]) {
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if (fd < 0) {
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fd = open("/dev/dsp", O_RDWR);
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if (fd < 0) {
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perror("open of /dev/dsp failed (Try with 'padsp this-exec')");
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exit(1);
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}
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}
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if (channels && lastchannels != channels) {
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Serial.printf("CHANNELS=%d\n", channels);
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int arg = channels; /* mono or stereo */
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int status = ioctl(fd, SOUND_PCM_WRITE_CHANNELS, &arg);
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if (status == -1) {
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perror("SOUND_PCM_WRITE_CHANNELS ioctl failed");
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exit(1);
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} else if (arg != channels) {
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perror("unable to set number of channels");
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exit(1);
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}
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lastchannels = channels;
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}
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if (lastchannels > 0 && hertz && lasthertz != hertz) {
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Serial.printf("FREQ=%d\n", hertz);
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int arg = hertz*4/lastchannels; /* sampling rate */
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int status = ioctl(fd, SOUND_PCM_WRITE_RATE, &arg);
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if (status == -1) {
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perror("SOUND_PCM_WRITE_RATE ioctl failed");
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exit(1);
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}
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lasthertz = hertz;
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}
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if (bps && lastbps != bps) {
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Serial.printf("BPS=%d\n", bps);
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int arg = bps; /* sample size */
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int status = ioctl(fd, SOUND_PCM_WRITE_BITS, &arg);
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if (status == -1) {
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perror("SOUND_PCM_WRITE_BITS ioctl failed");
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exit(1);
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} else if (arg != bps) {
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perror("unable to set sample size");
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exit(1);
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}
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lastbps = bps;
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}
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if ((++samples & ((1<<9)-1)) == 0) {
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// let the main loop a chance to run
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return false;
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}
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if (write(fd, sample, sizeof(sample)) != sizeof(sample)) {
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perror("doing sound");
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exit(1);
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}
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return true;
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}
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virtual bool stop() { endms = millis(); return true; };
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unsigned long GetMilliseconds() { return endms - startms; }
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int GetSamples() { return samples; }
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int GetFrequency() { return hertz; }
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protected:
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unsigned long startms;
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unsigned long endms;
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int samples;
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int lastchannels = -1;
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int lasthertz = -1;
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int lastbps = -1;
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int fd = -1;
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};
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#endif
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@@ -0,0 +1,57 @@
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/*
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AudioOutput
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Base class of an audio output player
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Copyright (C) 2017 Earle F. Philhower, III
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _AUDIOOUTPUTNULLSLOW_H
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#define _AUDIOOUTPUTNULLSLOW_H
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#include "AudioOutput.h"
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class AudioOutputNullSlow : public AudioOutput
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{
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public:
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AudioOutputNullSlow() { };
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~AudioOutputNullSlow() {};
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virtual bool begin() { samples = 0; startms = millis(); return true; }
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virtual bool ConsumeSample(int16_t sample[2]) {
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// return false (= output buffer full)
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// sometimes to let the main loop running
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constexpr int everylog2 = 10;
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if ((++samples & ((1<<everylog2)-1)) == 0) {
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if (hertz > 0) {
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// simulate real time
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delay(1000/(hertz >> everylog2));
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}
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return false;
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}
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return true;
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}
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virtual bool stop() { endms = millis(); return true; };
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unsigned long GetMilliseconds() { return endms - startms; }
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int GetSamples() { return samples; }
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int GetFrequency() { return hertz; }
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protected:
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unsigned long startms;
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unsigned long endms;
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int samples;
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};
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#endif
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@@ -0,0 +1,118 @@
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#include <Arduino.h>
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#ifdef ESP32
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#include <WiFi.h>
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#else
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#include <ESP8266WiFi.h>
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#endif
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#include "AudioFileSourceICYStream.h"
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#include "AudioFileSourceBuffer.h"
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#include "AudioGeneratorMP3.h"
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#if AUDIO
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#pragma message("Outputting audio")
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#include "AudioOutputLinuxDSP.h"
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#else
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#pragma message("No audio")
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#include "AudioOutputNullSlow.h"
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#endif
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// To run, set your ESP8266 build to 160MHz, update the SSID info, and upload.
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// Enter your WiFi setup here:
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#ifndef STASSID
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#define STASSID "your-ssid"
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#define STAPSK "your-password"
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#endif
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const char* ssid = STASSID;
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const char* password = STAPSK;
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// Randomly picked URL
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//const char *URL="http://kvbstreams.dyndns.org:8000/wkvi-am";
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//const char *URL="http://stream2.pvpjamz.com:8706/stream";
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// that one is not well decoded:
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const char *URL="http://icecast.radiofrance.fr/franceinter-lofi.mp3";
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AudioGeneratorMP3 *mp3;
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AudioFileSourceICYStream *file;
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AudioFileSourceBuffer *buff;
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AudioOutputNullSlow *out;
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// Called when a metadata event occurs (i.e. an ID3 tag, an ICY block, etc.
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void MDCallback(void *cbData, const char *type, bool isUnicode, const char *string)
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{
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const char *ptr = reinterpret_cast<const char *>(cbData);
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(void) isUnicode; // Punt this ball for now
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// Note that the type and string may be in PROGMEM, so copy them to RAM for printf
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char s1[32], s2[64];
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strncpy_P(s1, type, sizeof(s1));
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s1[sizeof(s1)-1]=0;
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strncpy_P(s2, string, sizeof(s2));
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s2[sizeof(s2)-1]=0;
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Serial.printf("METADATA(%s) '%s' = '%s'\n", ptr, s1, s2);
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Serial.flush();
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}
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// Called when there's a warning or error (like a buffer underflow or decode hiccup)
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void StatusCallback(void *cbData, int code, const char *string)
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{
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const char *ptr = reinterpret_cast<const char *>(cbData);
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// Note that the string may be in PROGMEM, so copy it to RAM for printf
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char s1[64];
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strncpy_P(s1, string, sizeof(s1));
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s1[sizeof(s1)-1]=0;
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Serial.printf("STATUS(%s) '%d' = '%s'\n", ptr, code, s1);
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Serial.flush();
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}
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void setup()
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{
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Serial.begin(115200);
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delay(1000);
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Serial.println("Connecting to WiFi");
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WiFi.disconnect();
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WiFi.softAPdisconnect(true);
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WiFi.mode(WIFI_STA);
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WiFi.begin(ssid, password);
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// Try forever
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while (WiFi.status() != WL_CONNECTED) {
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Serial.println("...Connecting to WiFi");
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delay(1000);
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}
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Serial.println("Connected");
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audioLogger = &Serial;
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file = new AudioFileSourceICYStream();
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file->RegisterMetadataCB(MDCallback, (void*)"ICY");
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file->useHTTP10();
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file->open(URL);
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buff = new AudioFileSourceBuffer(file, 2048);
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buff->RegisterStatusCB(StatusCallback, (void*)"buffer");
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out = new AudioOutputNullSlow();
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mp3 = new AudioGeneratorMP3();
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mp3->RegisterStatusCB(StatusCallback, (void*)"mp3");
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mp3->begin(buff, out);
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}
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void loop()
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{
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static int lastms = 0;
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if (mp3->isRunning()) {
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if (millis()-lastms > 1000) {
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lastms = millis();
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Serial.printf("Running for %d ms...\n", lastms);
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Serial.flush();
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}
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if (!mp3->loop()) mp3->stop();
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} else {
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Serial.printf("MP3 done\n");
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delay(1000);
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}
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}
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66
FW/leo_muziekdoos_sam51/lib/ESP8266Audio/examples/StreamOnHost/onHost
Executable file
66
FW/leo_muziekdoos_sam51/lib/ESP8266Audio/examples/StreamOnHost/onHost
Executable file
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#!/bin/bash
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ino=${PWD##*/}
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if [ ! -d "${ESP8266ARDUINO}/tests/host" ]; then
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echo "\${ESP8266ARDUINO} should point to ESP8266 Arduino core directory"
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exit 1
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fi
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THISLIB=$(pwd)/../..
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MAD=$(ls ${THISLIB}/src/libmad/*.c)
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PAGER=${PAGER:-less}
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cd ${ESP8266ARDUINO}/tests/host
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if [ "$1" = "clean" ]; then
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make clean
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cd ${THISLIB}
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rm -f src/*.o src/libmad/*.o
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exit 0
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elif [ "$1" = diff ]; then
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cd ${THISLIB}/examples
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diff -u StreamMP3FromHTTP/StreamMP3FromHTTP.ino ${ino}/${ino}.ino | ${PAGER}
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exit 0
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else
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echo ""
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echo "usage:"
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echo " $0"
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echo " $0 clean"
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echo " $0 diff"
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echo " AUDIO=a VALGRIND=v FORCE32=f $0"
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echo " a=1 play sound (use padsp, open /dev/dsp)"
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echo " v=1 run in native mode (FORCE32=0) with valgrind"
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echo " f=1 run in 32 bits mode (if gcc-multilib is installed)"
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echo "variable ESP8266ARDUINO must point to esp8266 Arduino core directory"
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echo ""
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[ "$1" = "-h" ] && exit 0
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sleep 1
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fi
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run=""
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[ -z "${FORCE32}" ] && FORCE32=0
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[ -z "${AUDIO}" ] && AUDIO=1
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if [ "${AUDIO}" = 1 ]; then
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run="${run} padsp"
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fi
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if [ "${VALGRIND}" = 1 ]; then
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FORCE32=0
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run="$run valgrind"
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fi
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touch ${THISLIB}/examples/${ino}/${ino}.ino # rebuild
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eval make FORCE32=${FORCE32} -j \
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USERCSOURCES=\"${MAD}\" \
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USERCXXSOURCES=\"${THISLIB}/src/AudioFileSourceBuffer.cpp ${THISLIB}/src/AudioLogger.cpp ${THISLIB}/src/AudioGeneratorMP3.cpp ${THISLIB}/src/AudioFileSourceICYStream.cpp ${THISLIB}/src/AudioFileSourceHTTPStream.cpp\" \
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USERCFLAGS=\"-I${THISLIB}/src/ -DAUDIO=${AUDIO}\" \
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${THISLIB}/examples/${ino}/${ino}
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set -x
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$run ./bin/${ino}/${ino} "$@"
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stty sane
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