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eStreamPlayer32_VS1053.ino
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eStreamPlayer32_VS1053.ino
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#include <Arduino.h>
#include <FFat.h>
#include <WiFi.h>
#include <AsyncTCP.h> /* https://github.com/me-no-dev/AsyncTCP */
#include <ESPAsyncWebServer.h> /* https://github.com/me-no-dev/ESPAsyncWebServer */
#include <ESP32_VS1053_Stream.h>
#include "playList.h"
#include "index_htm_gz.h"
#include "icons.h"
#include "system_setup.h"
static const char* VERSION_STRING = "eStreamPlayer32 for VS1053 v2.0.2"
"<br><br>"
"Search API provided by: <a href=\"https://www.radio-browser.info/\" target=\"_blank\">radio-browser.info</a>";
struct playerMessage {
enum playerAction { SET_VOLUME,
CONNECTTOHOST,
STOPSONG,
SETTONE };
playerAction action;
char url[PLAYLIST_MAX_URL_LENGTH];
size_t value = 0;
};
static QueueHandle_t playerQueue = NULL;
static playList_t playList;
static AsyncWebServer server(80);
static AsyncWebSocket ws("/ws");
static const char* FAVORITES_FOLDER = "/"; /* if this is a folder use a closing slash */
static const char* VOLUME_HEADER = "volume";
static const char* MESSAGE_HEADER = "message";
static const char* CURRENT_HEADER = "currentPLitem";
static auto _playerVolume = VS1053_INITIALVOLUME;
static size_t _currentPosition = 0;
static size_t _currentSize = 0;
static bool _paused = false;
constexpr const auto NUMBER_OF_PRESETS = sizeof(preset) / sizeof(source);
//****************************************************************************************
// P L A Y E R _ T A S K *
//****************************************************************************************
void playerTask(void* parameter) {
log_i("Starting VS1053 codec...");
SPI.begin();
ESP32_VS1053_Stream audio;
if (!audio.startDecoder(VS1053_CS, VS1053_DCS, VS1053_DREQ) || !audio.isChipConnected()) {
log_e("VS1053 board could not init\nSystem halted");
while (true) delay(100);
}
log_i("Ready to rock!");
while (true) {
playerMessage msg;
if (xQueueReceive(playerQueue, &msg, pdMS_TO_TICKS(25)) == pdPASS) {
log_d("Minimum free stack bytes: %i", uxTaskGetStackHighWaterMark(NULL));
switch (msg.action) {
case playerMessage::SET_VOLUME:
audio.setVolume(msg.value);
break;
case playerMessage::CONNECTTOHOST:
audio.stopSong();
_paused = false;
ws.textAll("status\nplaying\n");
if (!audio.connecttohost(msg.url, LIBRARY_USER, LIBRARY_PWD, msg.value))
startNextItem();
_currentSize = audio.size();
_currentPosition = audio.position();
break;
case playerMessage::STOPSONG:
audio.stopSong();
break;
default: log_e("error: unhandled audio action: %i", msg.action);
}
}
constexpr const auto MAX_UPDATE_FREQ_HZ = 6;
constexpr const auto UPDATE_INTERVAL_MS = 1000 / MAX_UPDATE_FREQ_HZ;
static unsigned long previousTime = millis();
static size_t previousPosition = 0;
if (ws.count() && audio.size() && millis() - previousTime > UPDATE_INTERVAL_MS && audio.position() != previousPosition) {
ws.printfAll("progress\n%i\n%i\n", audio.position(), audio.size());
previousTime = millis();
previousPosition = audio.position();
_currentPosition = audio.position();
}
audio.loop();
}
}
//****************************************************************************************
// H E L P E R - R O U T I N E S *
//****************************************************************************************
inline __attribute__((always_inline)) void updateCurrentItemOnClients() {
ws.printfAll("%s\n%i\n", CURRENT_HEADER, playList.currentItem());
}
void startItem(uint8_t const index, size_t offset = 0) {
updateCurrentItemOnClients();
audio_showstreamtitle("");
playerMessage msg;
msg.action = playerMessage::CONNECTTOHOST;
msg.value = offset;
snprintf(msg.url, sizeof(msg.url), "%s", playList.url(index).c_str());
xQueueSend(playerQueue, &msg, portMAX_DELAY);
playListItem item;
playList.get(index, item);
switch (item.type) {
case HTTP_FILE:
{
{
char name[item.url.length() - item.url.lastIndexOf('/')];
auto pos = item.url.lastIndexOf('/') + 1;
auto cnt = 0;
while (pos < item.url.length())
name[cnt++] = item.url.charAt(pos++);
name[cnt] = 0;
audio_showstation(name);
}
char path[item.url.lastIndexOf('/') + 1];
auto pos = 0;
auto cnt = 0;
while (pos < item.url.lastIndexOf('/'))
path[cnt++] = item.url.charAt(pos++);
path[pos] = 0;
audio_showstreamtitle(path);
}
break;
case HTTP_PRESET:
audio_showstation(preset[item.index].name.c_str());
break;
default: audio_showstation(item.name.c_str());
}
}
void startNextItem() {
if (playList.currentItem() < playList.size() - 1) {
playList.setCurrentItem(playList.currentItem() + 1);
startItem(playList.currentItem());
} else {
playlistHasEnded();
}
}
void playlistHasEnded() {
audio_showstation("Nothing playing");
audio_showstreamtitle(VERSION_STRING);
playList.setCurrentItem(PLAYLIST_STOPPED);
updateCurrentItemOnClients();
}
void upDatePlaylistOnClients() {
{
String s;
ws.textAll(playList.toString(s));
}
updateCurrentItemOnClients();
}
bool saveItemToFavorites(AsyncWebSocketClient* client, const char* filename, const playListItem& item) {
if (!strlen(filename)) {
log_e("ERROR! no filename");
return false;
}
switch (item.type) {
case HTTP_FILE:
log_d("file (wont save)%s", item.url.c_str());
return false;
case HTTP_PRESET:
log_d("preset (wont save) %s %s", preset[item.index].name.c_str(), preset[item.index].url.c_str());
return false;
case HTTP_FOUND:
case HTTP_FAVORITE:
{
char path[strlen(FAVORITES_FOLDER) + strlen(filename) + 1];
snprintf(path, sizeof(path), "%s%s", FAVORITES_FOLDER, filename);
File file = FFat.open(path, FILE_WRITE);
if (!file) {
log_e("failed to open '%s' for writing", filename);
client->printf("%s\nERROR: Could not open '%s' for writing!", MESSAGE_HEADER, filename);
return false;
}
char url[item.url.length() + 2];
snprintf(url, sizeof(url), "%s\n", item.url.c_str());
const auto bytesWritten = file.print(url);
file.close();
if (bytesWritten < strlen(url)) {
log_e("ERROR! Saving '%s' failed - disk full?", filename);
client->printf("%s\nERROR: Could not completely save '%s' to favorites!", MESSAGE_HEADER, filename);
return false;
}
client->printf("%s\nSaved '%s' to favorites!", MESSAGE_HEADER, filename);
return true;
}
break;
default:
{
log_w("Unhandled item.type.");
return false;
}
}
}
void handleFavoriteToPlaylist(AsyncWebSocketClient* client, const char* filename, const bool startNow) {
if (PLAYLIST_MAX_ITEMS == playList.size()) {
log_e("ERROR! Could not add %s to playlist", filename);
client->printf("%s\nCould not add '%s' to playlist", MESSAGE_HEADER, filename);
return;
}
char path[strlen(FAVORITES_FOLDER) + strlen(filename) + 1];
snprintf(path, sizeof(path), "%s%s", FAVORITES_FOLDER, filename);
File file = FFat.open(path);
if (!file) {
log_e("ERROR! Could not open %s", filename);
client->printf("%s\nCould not add '%s' to playlist", MESSAGE_HEADER, filename);
return;
}
char url[file.size() + 1];
auto cnt = 0;
char ch = (char)file.read();
while (ch != '\n' && file.available()) {
url[cnt++] = ch;
ch = (char)file.read();
}
url[cnt] = 0;
file.close();
const auto previousSize = playList.size();
playList.add({ HTTP_FAVORITE, filename, url, 0 });
log_d("favorite to playlist: %s -> %s", filename, url);
client->printf("%s\nAdded '%s' to playlist", MESSAGE_HEADER, filename);
if (startNow || playList.currentItem() == PLAYLIST_STOPPED) {
playList.setCurrentItem(previousSize);
startItem(playList.currentItem());
}
}
const String& favoritesToString(String& s) {
s = "favorites\n";
File folder = FFat.open(FAVORITES_FOLDER);
if (!folder) {
log_e("ERROR! Could not open favorites folder");
return s;
}
File file = folder.openNextFile();
while (file) {
if (!file.isDirectory() && file.size() < PLAYLIST_MAX_URL_LENGTH) {
s.concat(file.name());
s.concat("\n");
}
file = folder.openNextFile();
}
return s;
}
const String& favoritesToCStruct(String& s) {
File folder = FFat.open(FAVORITES_FOLDER);
if (!folder) {
s = "ERROR! Could not open folder " + String(FAVORITES_FOLDER);
return s;
}
s = "const source preset[] = {\n";
File file = folder.openNextFile();
while (file) {
if (!file.isDirectory() && file.size() < PLAYLIST_MAX_URL_LENGTH) {
s.concat(" {\"");
s.concat(file.name());
s.concat("\", \"");
char ch = (char)file.read();
while (file.available() && ch != '\n') {
s.concat(ch);
ch = (char)file.read();
}
s.concat("\"},\n");
}
file = folder.openNextFile();
}
s.concat("};\n");
return s;
}
//****************************************************************************************
// S E T U P *
//****************************************************************************************
const char* HEADER_MODIFIED_SINCE = "If-Modified-Since";
static inline __attribute__((always_inline)) bool htmlUnmodified(const AsyncWebServerRequest* request, const char* date) {
return request->hasHeader(HEADER_MODIFIED_SINCE) && request->header(HEADER_MODIFIED_SINCE).equals(date);
}
void setup() {
log_i("\n\n\t\t\t\t%s\n", VERSION_STRING);
const uint32_t idf = ESP_IDF_VERSION_PATCH + ESP_IDF_VERSION_MINOR *10 + ESP_IDF_VERSION_MAJOR * 100;
const uint32_t ard = ESP_ARDUINO_VERSION_PATCH + ESP_ARDUINO_VERSION_MINOR * 10 + ESP_ARDUINO_VERSION_MAJOR * 100;
log_i("ESP32 IDF Version %d.%d.%d", idf/100%10, idf/10%10 , idf%10);
log_i("ESP32 Arduino Version %d.%d.%d", ard/100%10, ard/10%10 , ard%10);
log_i("CPU: %iMhz", getCpuFrequencyMhz());
log_d("Heap: %d", ESP.getHeapSize());
log_d("Free: %d", ESP.getFreeHeap());
log_d("PSRAM: %d", ESP.getPsramSize());
log_d("Free: %d", ESP.getFreePsram());
log_i("Found %i presets", NUMBER_OF_PRESETS);
/* check if a ffat partition is defined and halt the system if it is not defined*/
if (!esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_FAT, "ffat")) {
log_e("FATAL ERROR! No FFat partition defined. System is halted.\nCheck 'Tools>Partition Scheme' in the Arduino IDE and select a partition table with a FFat partition.");
while (true) delay(1000); /* system is halted */
}
/* partition is defined - try to mount it */
if (FFat.begin(0, "", 2)) // see: https://github.com/lorol/arduino-esp32fs-plugin#notes-for-fatfs
log_i("FFat mounted");
/* partition is present, but does not mount so now we just format it */
else {
log_i("Formatting FFat...");
if (!FFat.format(true, (char*)"ffat") || !FFat.begin(0, "", 2)) {
log_e("FFat error while formatting. Halting.");
while (true) delay(1000); /* system is halted */
}
}
btStop();
if (SET_STATIC_IP && !WiFi.config(STATIC_IP, GATEWAY, SUBNET, PRIMARY_DNS, SECONDARY_DNS)) {
log_e("Setting static IP failed");
}
WiFi.begin(SSID, PSK);
WiFi.setSleep(false);
log_i("Connecting to %s...", SSID);
playerQueue = xQueueCreate(5, sizeof(struct playerMessage));
if (!playerQueue) {
log_e("Could not create queue. System halted.");
while (true) delay(100);
}
WiFi.waitForConnectResult();
if (!WiFi.isConnected()) {
log_e("Could not connect to Wifi! System halted! Check 'system_setup.h'!");
while (true) delay(1000); /* system is halted */
}
log_i("WiFi connected - IP %s", WiFi.localIP().toString().c_str());
configTzTime(TIMEZONE, NTP_POOL);
struct tm timeinfo {};
log_i("Waiting for NTP sync...");
while (!getLocalTime(&timeinfo, 0))
delay(10);
log_i("Synced");
//****************************************************************************************
// W E B S E R V E R *
//****************************************************************************************
time_t bootTime;
time(&bootTime);
static char modifiedDate[30];
strftime(modifiedDate, sizeof(modifiedDate), "%a, %d %b %Y %X GMT", gmtime(&bootTime));
static const char* HTML_MIMETYPE{ "text/html" };
static const char* HEADER_LASTMODIFIED{ "Last-Modified" };
static const char* HEADER_CONTENT_ENCODING{ "Content-Encoding" };
static const char* GZIP_CONTENT_ENCODING{ "gzip" };
server.on("/", HTTP_GET, [](AsyncWebServerRequest* request) {
if (htmlUnmodified(request, modifiedDate)) return request->send(304);
AsyncWebServerResponse* const response = request->beginResponse_P(200, HTML_MIMETYPE, index_htm_gz, index_htm_gz_len);
response->addHeader(HEADER_LASTMODIFIED, modifiedDate);
response->addHeader(HEADER_CONTENT_ENCODING, GZIP_CONTENT_ENCODING);
request->send(response);
});
server.on("/scripturl", HTTP_GET, [](AsyncWebServerRequest* request) {
if (htmlUnmodified(request, modifiedDate)) return request->send(304);
AsyncResponseStream* const response = request->beginResponseStream(HTML_MIMETYPE);
response->addHeader(HEADER_LASTMODIFIED, modifiedDate);
response->println(SCRIPT_URL);
if (strlen(LIBRARY_USER) || strlen(LIBRARY_PWD)) {
response->println(LIBRARY_USER);
response->println(LIBRARY_PWD);
}
request->send(response);
});
server.on("/stations", HTTP_GET, [](AsyncWebServerRequest* request) {
if (htmlUnmodified(request, modifiedDate)) return request->send(304);
AsyncResponseStream* const response = request->beginResponseStream(HTML_MIMETYPE);
response->addHeader(HEADER_LASTMODIFIED, modifiedDate);
auto i = 0;
while (i < NUMBER_OF_PRESETS)
response->printf("%s\n", preset[i++].name.c_str());
request->send(response);
});
server.on("/favorites", HTTP_GET, [](AsyncWebServerRequest* request) {
AsyncResponseStream* const response = request->beginResponseStream("text/plain");
response->addHeader("Cache-Control", "no-cache,no-store,must-revalidate,max-age=0");
String s;
response->print(favoritesToCStruct(s));
request->send(response);
});
static const char* SVG_MIMETYPE{ "image/svg+xml" };
server.on("/radioicon.svg", HTTP_GET, [](AsyncWebServerRequest* request) {
if (htmlUnmodified(request, modifiedDate)) return request->send(304);
AsyncWebServerResponse* const response = request->beginResponse_P(200, SVG_MIMETYPE, radioicon);
response->addHeader(HEADER_LASTMODIFIED, modifiedDate);
request->send(response);
});
server.on("/playicon.svg", HTTP_GET, [](AsyncWebServerRequest* request) {
if (htmlUnmodified(request, modifiedDate)) return request->send(304);
AsyncWebServerResponse* const response = request->beginResponse_P(200, SVG_MIMETYPE, playicon);
response->addHeader(HEADER_LASTMODIFIED, modifiedDate);
request->send(response);
});
server.on("/libraryicon.svg", HTTP_GET, [](AsyncWebServerRequest* request) {
if (htmlUnmodified(request, modifiedDate)) return request->send(304);
AsyncWebServerResponse* const response = request->beginResponse_P(200, SVG_MIMETYPE, libraryicon);
response->addHeader(HEADER_LASTMODIFIED, modifiedDate);
request->send(response);
});
server.on("/favoriteicon.svg", HTTP_GET, [](AsyncWebServerRequest* request) {
if (htmlUnmodified(request, modifiedDate)) return request->send(304);
AsyncWebServerResponse* const response = request->beginResponse_P(200, SVG_MIMETYPE, favoriteicon);
response->addHeader(HEADER_LASTMODIFIED, modifiedDate);
request->send(response);
});
server.on("/streamicon.svg", HTTP_GET, [](AsyncWebServerRequest* request) {
if (htmlUnmodified(request, modifiedDate)) return request->send(304);
AsyncWebServerResponse* const response = request->beginResponse_P(200, SVG_MIMETYPE, pasteicon);
response->addHeader(HEADER_LASTMODIFIED, modifiedDate);
request->send(response);
});
server.on("/deleteicon.svg", HTTP_GET, [](AsyncWebServerRequest* request) {
if (htmlUnmodified(request, modifiedDate)) return request->send(304);
AsyncWebServerResponse* const response = request->beginResponse_P(200, SVG_MIMETYPE, deleteicon);
response->addHeader(HEADER_LASTMODIFIED, modifiedDate);
request->send(response);
});
server.on("/addfoldericon.svg", HTTP_GET, [](AsyncWebServerRequest* request) {
if (htmlUnmodified(request, modifiedDate)) return request->send(304);
AsyncWebServerResponse* const response = request->beginResponse_P(200, SVG_MIMETYPE, addfoldericon);
response->addHeader(HEADER_LASTMODIFIED, modifiedDate);
request->send(response);
});
server.on("/emptyicon.svg", HTTP_GET, [](AsyncWebServerRequest* request) {
if (htmlUnmodified(request, modifiedDate)) return request->send(304);
AsyncWebServerResponse* const response = request->beginResponse_P(200, SVG_MIMETYPE, emptyicon);
response->addHeader(HEADER_LASTMODIFIED, modifiedDate);
request->send(response);
});
server.on("/starticon.svg", HTTP_GET, [](AsyncWebServerRequest* request) {
if (htmlUnmodified(request, modifiedDate)) return request->send(304);
AsyncWebServerResponse* const response = request->beginResponse_P(200, SVG_MIMETYPE, starticon);
response->addHeader(HEADER_LASTMODIFIED, modifiedDate);
request->send(response);
});
server.on("/pauseicon.svg", HTTP_GET, [](AsyncWebServerRequest* request) {
if (htmlUnmodified(request, modifiedDate)) return request->send(304);
AsyncWebServerResponse* const response = request->beginResponse_P(200, SVG_MIMETYPE, pauseicon);
response->addHeader(HEADER_LASTMODIFIED, modifiedDate);
request->send(response);
});
server.on("/searchicon.svg", HTTP_GET, [](AsyncWebServerRequest* request) {
if (htmlUnmodified(request, modifiedDate)) return request->send(304);
AsyncWebServerResponse* const response = request->beginResponse_P(200, SVG_MIMETYPE, searchicon);
response->addHeader(HEADER_LASTMODIFIED, modifiedDate);
request->send(response);
});
server.on("/nosslicon.svg", HTTP_GET, [](AsyncWebServerRequest* request) {
if (htmlUnmodified(request, modifiedDate)) return request->send(304);
AsyncWebServerResponse* const response = request->beginResponse_P(200, SVG_MIMETYPE, nosslicon);
response->addHeader(HEADER_LASTMODIFIED, modifiedDate);
request->send(response);
});
server.onNotFound([](AsyncWebServerRequest* request) {
log_e("404 - Not found: 'http://%s%s'", request->host().c_str(), request->url().c_str());
request->send(404);
});
DefaultHeaders::Instance().addHeader("Access-Control-Allow-Origin", "*");
playlistHasEnded(); /* before the webserver starts! */
server.begin();
ws.onEvent(websocketEventHandler);
server.addHandler(&ws);
log_i("Webserver started");
const BaseType_t result = xTaskCreatePinnedToCore(
playerTask, /* Function to implement the task */
"playerTask", /* Name of the task */
8000, /* Stack size in BYTES! */
NULL, /* Task input parameter */
3 | portPRIVILEGE_BIT, /* Priority of the task */
NULL, /* Task handle. */
1 /* Core where the task should run */
);
if (result != pdPASS) {
log_e("ERROR! Could not create playerTask. System halted.");
while (true) delay(100);
}
playerMessage msg;
msg.action = playerMessage::SET_VOLUME;
msg.value = VS1053_INITIALVOLUME;
xQueueSend(playerQueue, &msg, portMAX_DELAY);
vTaskDelete(NULL); // this deletes both setup() and loop() - see ~/.arduino15/packages/esp32/hardware/esp32/1.0.6/cores/esp32/main.cpp
}
//****************************************************************************************
// L O O P *
//****************************************************************************************
void loop() {
}
//*****************************************************************************************
// E V E N T S *
//*****************************************************************************************
#define MAX_STATION_NAME_LENGTH 200
static char showstation[MAX_STATION_NAME_LENGTH];
void audio_showstation(const char* info) {
playListItem item;
playList.get(playList.currentItem(), item);
snprintf(showstation, sizeof(showstation), "showstation\n%s\n%s", info, typeStr[item.type]);
log_d("%s", showstation);
ws.textAll(showstation);
}
#define MAX_METADATA_LENGTH 255
static char streamtitle[MAX_METADATA_LENGTH];
void audio_showstreamtitle(const char* info) {
snprintf(streamtitle, sizeof(streamtitle), "streamtitle\n%s", percentEncode(info).c_str());
log_d("%s", streamtitle);
ws.textAll(streamtitle);
}
void audio_eof_stream(const char* info) {
log_d("%s", info);
startNextItem();
}