test/run on host, output to null device (earlephilhower#299)

* test/run on host to null device

* compilation fix

examples/StreamOnHost/StreamOnHost.ino

@@ -0,0 +1,108 @@
+#include <Arduino.h>
+
+#ifdef ESP32
+    #include <WiFi.h>
+#else
+    #include <ESP8266WiFi.h>
+#endif
+#include "AudioFileSourceICYStream.h"
+#include "AudioFileSourceBuffer.h"
+#include "AudioGeneratorMP3.h"
+#include "AudioOutputNull.h"
+
+// To run, set your ESP8266 build to 160MHz, update the SSID info, and upload.
+
+// Enter your WiFi setup here:
+#ifndef STASSID
+#define STASSID ""
+#define STAPSK  ""
+#endif
+
+const char* ssid = STASSID;
+const char* password = STAPSK;
+
+// Randomly picked URL
+const char *URL="http://icecast.radiofrance.fr/franceinter-lofi.mp3";
+//const char *URL="http://kvbstreams.dyndns.org:8000/wkvi-am";
+
+AudioGeneratorMP3 *mp3;
+AudioFileSourceICYStream *file;
+AudioFileSourceBuffer *buff;
+AudioOutputNull *out;
+
+// 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)
+{
+  const char *ptr = reinterpret_cast<const char *>(cbData);
+  (void) isUnicode; // Punt this ball for now
+  // Note that the type and string may be in PROGMEM, so copy them to RAM for printf
+  char s1[32], s2[64];
+  strncpy_P(s1, type, sizeof(s1));
+  s1[sizeof(s1)-1]=0;
+  strncpy_P(s2, string, sizeof(s2));
+  s2[sizeof(s2)-1]=0;
+  Serial.printf("METADATA(%s) '%s' = '%s'\n", ptr, s1, s2);
+  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();
+}
+
+
+void setup()
+{
+  Serial.begin(115200);
+  delay(1000);
+  Serial.println("Connecting to WiFi");
+
+  WiFi.disconnect();
+  WiFi.softAPdisconnect(true);
+  WiFi.mode(WIFI_STA);
+
+  WiFi.begin(ssid, password);
+
+  // Try forever
+  while (WiFi.status() != WL_CONNECTED) {
+    Serial.println("...Connecting to WiFi");
+    delay(1000);
+  }
+  Serial.println("Connected");
+
+  audioLogger = &Serial;
+  file = new AudioFileSourceICYStream(URL);
+  file->RegisterMetadataCB(MDCallback, (void*)"ICY");
+  buff = new AudioFileSourceBuffer(file, 4096);
+  buff->RegisterStatusCB(StatusCallback, (void*)"buffer");
+  out = new AudioOutputNull();
+  mp3 = new AudioGeneratorMP3();
+  mp3->RegisterStatusCB(StatusCallback, (void*)"mp3");
+  mp3->begin(buff, out);
+}
+
+
+void loop()
+{
+  static int lastms = 0;
+
+  if (mp3->isRunning()) {
+    if (millis()-lastms > 1000) {
+      lastms = millis();
+      Serial.printf("Running for %d ms...\n", lastms);
+      Serial.flush();
+     }
+    if (!mp3->loop()) mp3->stop();
+  } else {
+    Serial.printf("MP3 done\n");
+    delay(1000);
+  }
+}
+

examples/StreamOnHost/onHost

@@ -0,0 +1,50 @@
+#!/bin/bash
+
+ino=${PWD##*/}
+
+if [ ! -d "${ESP8266ARDUINO}/tests/host" ]; then
+    echo "\${ESP8266ARDUINO} should point to ESP8266 Arduino core directory"
+    exit 1
+fi
+
+THISLIB=$(pwd)/../..
+MAD=$(ls ${THISLIB}/src/libmad/*.c)
+
+cd ${ESP8266ARDUINO}/tests/host
+
+if [ "$1" = "clean" ]; then
+    make clean
+    cd ${THISLIB}
+    rm -f src/*.o src/libmad/*.o
+    exit 0
+fi
+
+if [ "$1" = "-h" ]; then
+    echo "usage:"
+    echo "  $0"
+    echo "  $0 clean"
+    echo "  FORCE32=0 $0   (run with valgrind)"
+    echo "  FORCE32=1 $0   (run in 32 bits)"
+    echo "variable ESP8266ARDUINO must point to esp8266 Arduino core directory"
+    exit 0
+fi
+
+[ -z "${FORCE32}" ] && FORCE32=0
+
+if [ "${FORCE32}" = 0 ]; then
+    run=valgrind
+else
+    run=
+fi
+
+eval make FORCE32=${FORCE32} V=1 -j \
+    USERCSOURCES=\"${MAD}\" \
+    USERCXXSOURCES=\"${THISLIB}/src/AudioFileSourceBuffer.cpp ${THISLIB}/src/AudioLogger.cpp ${THISLIB}/src/AudioGeneratorMP3.cpp ${THISLIB}/src/AudioFileSourceICYStream.cpp ${THISLIB}/src/AudioFileSourceHTTPStream.cpp\" \
+    USERCFLAGS=\"-I${THISLIB}/src/\" \
+    ${THISLIB}/examples/${ino}/${ino}
+
+set -x
+
+$run ./bin/${ino}/${ino} "$@"
+stty sane
+

src/AudioGeneratorMP3.cpp

@@ -302,7 +302,7 @@ extern "C" {
   {
     return 8192;
   }
-#elif defined(ESP8266)
+#elif defined(ESP8266) && !defined(CORE_MOCK)
   #include <cont.h>
   extern cont_t g_cont;