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Audio.cpp
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Audio.cpp
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/*
* Audio.cpp
*
* Created on: Oct 26.2018
*
* Version 2.0.7
* Updated on: Nov 22.2022
* Author: Wolle (schreibfaul1)
*
*/
#include "Audio.h"
#include "mp3_decoder/mp3_decoder.h"
#include "aac_decoder/aac_decoder.h"
#include "flac_decoder/flac_decoder.h"
#ifndef AUDIO_NO_SD_FS
#ifdef SDFATFS_USED
fs::SDFATFS SD_SDFAT;
#endif
#endif // AUDIO_NO_SD_FS
//---------------------------------------------------------------------------------------------------------------------
AudioBuffer::AudioBuffer(size_t maxBlockSize) {
// if maxBlockSize isn't set use defaultspace (1600 bytes) is enough for aac and mp3 player
if(maxBlockSize) m_resBuffSizeRAM = maxBlockSize;
if(maxBlockSize) m_maxBlockSize = maxBlockSize;
}
AudioBuffer::~AudioBuffer() {
if(m_buffer)
free(m_buffer);
m_buffer = NULL;
}
void AudioBuffer::setBufsize(int ram, int psram) {
if (ram > -1) // -1 == default / no change
m_buffSizeRAM = ram;
if (psram > -1)
m_buffSizePSRAM = psram;
}
size_t AudioBuffer::init() {
if(m_buffer) free(m_buffer);
m_buffer = NULL;
if(psramInit() && m_buffSizePSRAM > 0) {
// PSRAM found, AudioBuffer will be allocated in PSRAM
m_f_psram = true;
m_buffSize = m_buffSizePSRAM;
m_buffer = (uint8_t*) ps_calloc(m_buffSize, sizeof(uint8_t));
m_buffSize = m_buffSizePSRAM - m_resBuffSizePSRAM;
}
if(m_buffer == NULL) {
// PSRAM not found, not configured or not enough available
m_f_psram = false;
m_buffSize = m_buffSizeRAM;
m_buffer = (uint8_t*) calloc(m_buffSize, sizeof(uint8_t));
m_buffSize = m_buffSizeRAM - m_resBuffSizeRAM;
}
if(!m_buffer)
return 0;
m_f_init = true;
resetBuffer();
return m_buffSize;
}
void AudioBuffer::changeMaxBlockSize(uint16_t mbs){
m_maxBlockSize = mbs;
return;
}
uint16_t AudioBuffer::getMaxBlockSize(){
return m_maxBlockSize;
}
size_t AudioBuffer::freeSpace() {
if(m_readPtr >= m_writePtr) {
m_freeSpace = (m_readPtr - m_writePtr);
} else {
m_freeSpace = (m_endPtr - m_writePtr) + (m_readPtr - m_buffer);
}
if(m_f_start)
m_freeSpace = m_buffSize;
return m_freeSpace - 1;
}
size_t AudioBuffer::writeSpace() {
if(m_readPtr >= m_writePtr) {
m_writeSpace = (m_readPtr - m_writePtr - 1); // readPtr must not be overtaken
} else {
if(getReadPos() == 0)
m_writeSpace = (m_endPtr - m_writePtr - 1);
else
m_writeSpace = (m_endPtr - m_writePtr);
}
if(m_f_start)
m_writeSpace = m_buffSize - 1;
return m_writeSpace;
}
size_t AudioBuffer::bufferFilled() {
if(m_writePtr >= m_readPtr) {
m_dataLength = (m_writePtr - m_readPtr);
} else {
m_dataLength = (m_endPtr - m_readPtr) + (m_writePtr - m_buffer);
}
return m_dataLength;
}
void AudioBuffer::bytesWritten(size_t bw) {
m_writePtr += bw;
if(m_writePtr == m_endPtr) {
m_writePtr = m_buffer;
}
if(bw && m_f_start)
m_f_start = false;
}
void AudioBuffer::bytesWasRead(size_t br) {
m_readPtr += br;
if(m_readPtr >= m_endPtr) {
size_t tmp = m_readPtr - m_endPtr;
m_readPtr = m_buffer + tmp;
}
}
uint8_t* AudioBuffer::getWritePtr() {
return m_writePtr;
}
uint8_t* AudioBuffer::getReadPtr() {
size_t len = m_endPtr - m_readPtr;
if(len < m_maxBlockSize) { // be sure the last frame is completed
memcpy(m_endPtr, m_buffer, m_maxBlockSize - len); // cpy from m_buffer to m_endPtr with len
}
return m_readPtr;
}
void AudioBuffer::resetBuffer() {
m_writePtr = m_buffer;
m_readPtr = m_buffer;
m_endPtr = m_buffer + m_buffSize;
m_f_start = true;
// memset(m_buffer, 0, m_buffSize); //Clear Inputbuffer
}
uint32_t AudioBuffer::getWritePos() {
return m_writePtr - m_buffer;
}
uint32_t AudioBuffer::getReadPos() {
return m_readPtr - m_buffer;
}
//---------------------------------------------------------------------------------------------------------------------
Audio::Audio(bool internalDAC /* = false */, uint8_t channelEnabled /* = I2S_DAC_CHANNEL_BOTH_EN */, uint8_t i2sPort) {
// build-in-DAC works only with ESP32 (ESP32-S3 has no build-in-DAC)
// build-in-DAC last working Arduino Version: 2.0.0-RC2
// possible values for channelEnabled are:
// I2S_DAC_CHANNEL_DISABLE = 0, Disable I2S built-in DAC signals
// I2S_DAC_CHANNEL_RIGHT_EN = 1, Enable I2S built-in DAC right channel, maps to DAC channel 1 on GPIO25
// I2S_DAC_CHANNEL_LEFT_EN = 2, Enable I2S built-in DAC left channel, maps to DAC channel 2 on GPIO26
// I2S_DAC_CHANNEL_BOTH_EN = 0x3, Enable both of the I2S built-in DAC channels.
// I2S_DAC_CHANNEL_MAX = 0x4, I2S built-in DAC mode max index
#ifdef AUDIO_LOG
m_f_Log = true;
#endif
if(psramInit()) {m_chbufSize = 4096; m_chbuf = (char*)ps_malloc(m_chbufSize);}
else {m_chbufSize = 512 + 64; m_chbuf = (char*)malloc(m_chbufSize);}
clientsecure.setInsecure(); // if that can't be resolved update to ESP32 Arduino version 1.0.5-rc05 or higher
m_f_channelEnabled = channelEnabled;
m_f_internalDAC = internalDAC;
//i2s configuration
m_i2s_num = i2sPort; // i2s port number
m_i2s_config.sample_rate = 16000;
m_i2s_config.bits_per_sample = I2S_BITS_PER_SAMPLE_16BIT;
m_i2s_config.channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT;
m_i2s_config.intr_alloc_flags = ESP_INTR_FLAG_LEVEL1; // interrupt priority
m_i2s_config.dma_buf_count = 16;
m_i2s_config.dma_buf_len = 512;
m_i2s_config.use_apll = APLL_DISABLE; // must be disabled in V2.0.1-RC1
m_i2s_config.tx_desc_auto_clear = true; // new in V1.0.1
m_i2s_config.fixed_mclk = I2S_PIN_NO_CHANGE;
if (internalDAC) {
#ifdef CONFIG_IDF_TARGET_ESP32 // ESP32S3 has no DAC
log_i("internal DAC");
m_i2s_config.mode = (i2s_mode_t)(I2S_MODE_MASTER | I2S_MODE_TX | I2S_MODE_DAC_BUILT_IN );
#if ESP_ARDUINO_VERSION_MAJOR >= 2
#if ESP_ARDUINO_VERSION_PATCH == 0
m_i2s_config.communication_format = (i2s_comm_format_t)(I2S_COMM_FORMAT_STAND_I2S); // vers == 2.0.0
#else
// V2.0.1 ... V2.0.4 will not work
m_i2s_config.communication_format = (i2s_comm_format_t)(I2S_COMM_FORMAT_STAND_MSB); // vers >= 2.0.5
#endif
#else
m_i2s_config.communication_format = (i2s_comm_format_t)(I2S_COMM_FORMAT_I2S_MSB);
#endif
i2s_driver_install((i2s_port_t)m_i2s_num, &m_i2s_config, 0, NULL);
i2s_set_dac_mode((i2s_dac_mode_t)m_f_channelEnabled);
if(m_f_channelEnabled != I2S_DAC_CHANNEL_BOTH_EN) {
m_f_forceMono = true;
}
#endif
}
else {
m_i2s_config.mode = (i2s_mode_t)(I2S_MODE_MASTER | I2S_MODE_TX);
#if ESP_ARDUINO_VERSION_MAJOR >= 2
m_i2s_config.communication_format = (i2s_comm_format_t)(I2S_COMM_FORMAT_STAND_I2S); // Arduino vers. > 2.0.0
#else
m_i2s_config.communication_format = (i2s_comm_format_t)(I2S_COMM_FORMAT_I2S | I2S_COMM_FORMAT_I2S_MSB);
#endif
i2s_driver_install((i2s_port_t)m_i2s_num, &m_i2s_config, 0, NULL);
m_f_forceMono = false;
}
i2s_zero_dma_buffer((i2s_port_t) m_i2s_num);
for(int i = 0; i <3; i++) {
m_filter[i].a0 = 1;
m_filter[i].a1 = 0;
m_filter[i].a2 = 0;
m_filter[i].b1 = 0;
m_filter[i].b2 = 0;
}
}
//---------------------------------------------------------------------------------------------------------------------
void Audio::setBufsize(int rambuf_sz, int psrambuf_sz) {
if(InBuff.isInitialized()) {
log_e("Audio::setBufsize must not be called after audio is initialized");
return;
}
InBuff.setBufsize(rambuf_sz, psrambuf_sz);
};
void Audio::initInBuff() {
if(!InBuff.isInitialized()) {
size_t size = InBuff.init();
if (size > 0) {
AUDIO_INFO("PSRAM %sfound, inputBufferSize: %u bytes", InBuff.havePSRAM()?"":"not ", size - 1);
}
}
changeMaxBlockSize(1600); // default size mp3 or aac
}
//---------------------------------------------------------------------------------------------------------------------
esp_err_t Audio::I2Sstart(uint8_t i2s_num) {
// It is not necessary to call this function after i2s_driver_install() (it is started automatically),
// however it is necessary to call it after i2s_stop()
return i2s_start((i2s_port_t) i2s_num);
}
esp_err_t Audio::I2Sstop(uint8_t i2s_num) {
return i2s_stop((i2s_port_t) i2s_num);
}
//---------------------------------------------------------------------------------------------------------------------
esp_err_t Audio::i2s_mclk_pin_select(const uint8_t pin) {
// IDF >= 4.4 use setPinout(BCLK, LRC, DOUT, DIN, MCK) only, i2s_mclk_pin_select() is no longer needed
if(pin != 0 && pin != 1 && pin != 3) {
log_e("Only support GPIO0/GPIO1/GPIO3, gpio_num:%d", pin);
return ESP_ERR_INVALID_ARG;
}
#ifdef CONFIG_IDF_TARGET_ESP32
switch(pin){
case 0:
PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO0_U, FUNC_GPIO0_CLK_OUT1);
WRITE_PERI_REG(PIN_CTRL, 0xFFF0);
break;
case 1:
PIN_FUNC_SELECT(PERIPHS_IO_MUX_U0TXD_U, FUNC_U0TXD_CLK_OUT3);
WRITE_PERI_REG(PIN_CTRL, 0xF0F0);
break;
case 3:
PIN_FUNC_SELECT(PERIPHS_IO_MUX_U0RXD_U, FUNC_U0RXD_CLK_OUT2);
WRITE_PERI_REG(PIN_CTRL, 0xFF00);
break;
default:
break;
}
#endif
return ESP_OK;
}
//---------------------------------------------------------------------------------------------------------------------
Audio::~Audio() {
//I2Sstop(m_i2s_num);
//InBuff.~AudioBuffer(); #215 the AudioBuffer is automatically destroyed by the destructor
setDefaults();
if(m_playlistBuff) {free(m_playlistBuff); m_playlistBuff = NULL;}
i2s_driver_uninstall((i2s_port_t)m_i2s_num); // #215 free I2S buffer
if(m_chbuf) {free(m_chbuf); m_chbuf = NULL;}
}
//---------------------------------------------------------------------------------------------------------------------
void Audio::setDefaults() {
stopSong();
initInBuff(); // initialize InputBuffer if not already done
InBuff.resetBuffer();
MP3Decoder_FreeBuffers();
FLACDecoder_FreeBuffers();
AACDecoder_FreeBuffers();
if(m_playlistBuff) {free(m_playlistBuff); m_playlistBuff = NULL;} // free if stream is not m3u8
vector_clear_and_shrink(m_playlistURL);
vector_clear_and_shrink(m_playlistContent);
m_hashQueue.clear(); m_hashQueue.shrink_to_fit(); // uint32_t vector
client.stop();
client.flush(); // release memory
clientsecure.stop();
clientsecure.flush();
_client = static_cast<WiFiClient*>(&client); /* default to *something* so that no NULL deref can happen */
playI2Sremains();
ts_parsePacket(0, 0, 0); // reset ts routine
AUDIO_INFO("buffers freed, free Heap: %u bytes", ESP.getFreeHeap());
m_f_chunked = false; // Assume not chunked
m_f_firstmetabyte = false;
m_f_playing = false;
m_f_ssl = false;
m_f_metadata = false;
m_f_tts = false;
m_f_firstCall = true; // InitSequence for processWebstream and processLokalFile
m_f_running = false;
m_f_loop = false; // Set if audio file should loop
m_f_unsync = false; // set within ID3 tag but not used
m_f_exthdr = false; // ID3 extended header
m_f_rtsp = false; // RTSP (m3u8)stream
m_f_m3u8data = false; // set again in processM3U8entries() if necessary
m_f_continue = false;
m_f_ts = false;
m_streamType = ST_NONE;
m_codec = CODEC_NONE;
m_playlistFormat = FORMAT_NONE;
m_datamode = AUDIO_NONE;
m_audioCurrentTime = 0; // Reset playtimer
m_audioFileDuration = 0;
m_audioDataStart = 0;
m_audioDataSize = 0;
m_avr_bitrate = 0; // the same as m_bitrate if CBR, median if VBR
m_bitRate = 0; // Bitrate still unknown
m_bytesNotDecoded = 0; // counts all not decodable bytes
m_chunkcount = 0; // for chunked streams
m_contentlength = 0; // If Content-Length is known, count it
m_curSample = 0;
m_metaint = 0; // No metaint yet
m_LFcount = 0; // For end of header detection
m_controlCounter = 0; // Status within readID3data() and readWaveHeader()
m_channels = 2; // assume stereo #209
m_streamTitleHash = 0;
m_file_size = 0;
m_ID3Size = 0;
}
//---------------------------------------------------------------------------------------------------------------------
void Audio::setConnectionTimeout(uint16_t timeout_ms, uint16_t timeout_ms_ssl){
if(timeout_ms) m_timeout_ms = timeout_ms;
if(timeout_ms_ssl) m_timeout_ms_ssl = timeout_ms_ssl;
}
//---------------------------------------------------------------------------------------------------------------------
bool Audio::connecttohost(const char* host, const char* user, const char* pwd) {
// user and pwd for authentification only, can be empty
if(host == NULL) {
AUDIO_INFO("Hostaddress is empty");
return false;
}
uint16_t lenHost = strlen(host);
if(lenHost >= 512 - 10) {
AUDIO_INFO("Hostaddress is too long");
return false;
}
int idx = indexOf(host, "http");
char* l_host = (char*)malloc(lenHost + 10);
if(idx < 0){strcpy(l_host, "http://"); strcat(l_host, host); } // amend "http;//" if not found
else {strcpy(l_host, (host + idx));} // trim left if necessary
char* h_host = NULL; // pointer of l_host without http:// or https://
if(startsWith(l_host, "https")) h_host = strdup(l_host + 8);
else h_host = strdup(l_host + 7);
// initializationsequence
int16_t pos_slash; // position of "/" in hostname
int16_t pos_colon; // position of ":" in hostname
int16_t pos_ampersand; // position of "&" in hostname
uint16_t port = 80; // port number
// In the URL there may be an extension, like noisefm.ru:8000/play.m3u&t=.m3u
pos_slash = indexOf(h_host, "/", 0);
pos_colon = indexOf(h_host, ":", 0);
if(isalpha(h_host[pos_colon + 1])) pos_colon = -1; // no portnumber follows
pos_ampersand = indexOf(h_host, "&", 0);
char *hostwoext = NULL; // "skonto.ls.lv:8002" in "skonto.ls.lv:8002/mp3"
char *extension = NULL; // "/mp3" in "skonto.ls.lv:8002/mp3"
if(pos_slash > 1) {
hostwoext = (char*)malloc(pos_slash + 1);
memcpy(hostwoext, h_host, pos_slash);
hostwoext[pos_slash] = '\0';
uint16_t extLen = urlencode_expected_len(h_host + pos_slash);
extension = (char *)malloc(extLen + 20);
memcpy(extension, h_host + pos_slash, extLen);
urlencode(extension, extLen, true);
}
else{ // url has no extension
hostwoext = strdup(h_host);
extension = strdup("/");
}
if((pos_colon >= 0) && ((pos_ampersand == -1) || (pos_ampersand > pos_colon))){
port = atoi(h_host + pos_colon + 1);// Get portnumber as integer
hostwoext[pos_colon] = '\0';// Host without portnumber
}
AUDIO_INFO("Connect to new host: \"%s\"", l_host);
setDefaults(); // no need to stop clients if connection is established (default is true)
if(startsWith(l_host, "https")) m_f_ssl = true;
else m_f_ssl = false;
// authentification
uint8_t auth = strlen(user) + strlen(pwd);
char toEncode[auth + 4];
toEncode[0] = '\0';
strcat(toEncode, user);
strcat(toEncode, ":");
strcat(toEncode, pwd);
char authorization[base64_encode_expected_len(strlen(toEncode)) + 1];
authorization[0] = '\0';
b64encode((const char*)toEncode, strlen(toEncode), authorization);
// AUDIO_INFO("Connect to \"%s\" on port %d, extension \"%s\"", hostwoext, port, extension);
char rqh[strlen(h_host) + strlen(authorization) + 200]; // http request header
rqh[0] = '\0';
strcat(rqh, "GET ");
strcat(rqh, extension);
strcat(rqh, " HTTP/1.1\r\n");
strcat(rqh, "Host: ");
strcat(rqh, hostwoext);
strcat(rqh, "\r\n");
strcat(rqh, "Icy-MetaData:1\r\n");
strcat(rqh, "Authorization: Basic ");
strcat(rqh, authorization);
strcat(rqh, "\r\n");
strcat(rqh, "Accept-Encoding: identity;q=1,*;q=0\r\n");
// strcat(rqh, "User-Agent: Mozilla/5.0\r\n"); #363
strcat(rqh, "Connection: keep-alive\r\n\r\n");
if(ESP_ARDUINO_VERSION_MAJOR == 2 && ESP_ARDUINO_VERSION_MINOR == 0 && ESP_ARDUINO_VERSION_PATCH >= 3){
m_timeout_ms_ssl = UINT16_MAX; // bug in v2.0.3 if hostwoext is a IPaddr not a name
m_timeout_ms = UINT16_MAX; // [WiFiClient.cpp:253] connect(): select returned due to timeout 250 ms for fd 48
}
bool res = true; // no need to reconnect if connection exists
if(m_f_ssl){ _client = static_cast<WiFiClient*>(&clientsecure); if(port == 80) port = 443;}
else { _client = static_cast<WiFiClient*>(&client);}
uint32_t t = millis();
if(m_f_Log) AUDIO_INFO("connect to %s on port %d path %s", hostwoext, port, extension);
res = _client->connect(hostwoext, port, m_f_ssl ? m_timeout_ms_ssl : m_timeout_ms);
if(res){
uint32_t dt = millis() - t;
strcpy(m_lastHost, l_host);
AUDIO_INFO("%s has been established in %u ms, free Heap: %u bytes",
m_f_ssl?"SSL":"Connection", dt, ESP.getFreeHeap());
m_f_running = true;
}
m_expectedCodec = CODEC_NONE;
m_expectedPlsFmt = FORMAT_NONE;
if(res){
_client->print(rqh);
if(endsWith(extension, ".mp3")) m_expectedCodec = CODEC_MP3;
if(endsWith(extension, ".aac")) m_expectedCodec = CODEC_AAC;
if(endsWith(extension, ".wav")) m_expectedCodec = CODEC_WAV;
if(endsWith(extension, ".m4a")) m_expectedCodec = CODEC_M4A;
if(endsWith(extension, ".flac")) m_expectedCodec = CODEC_FLAC;
if(endsWith(extension, ".asx")) m_expectedPlsFmt = FORMAT_ASX;
if(endsWith(extension, ".m3u")) m_expectedPlsFmt = FORMAT_M3U;
if(endsWith(extension, ".m3u8")) m_expectedPlsFmt = FORMAT_M3U8;
if(endsWith(extension, ".pls")) m_expectedPlsFmt = FORMAT_PLS;
setDatamode(HTTP_RESPONSE_HEADER); // Handle header
m_streamType = ST_WEBSTREAM;
}
else{
AUDIO_INFO("Request %s failed!", l_host);
if(audio_showstation) audio_showstation("");
if(audio_showstreamtitle) audio_showstreamtitle("");
if(audio_icydescription) audio_icydescription("");
if(audio_icyurl) audio_icyurl("");
m_lastHost[0] = 0;
}
if(hostwoext) {free(hostwoext); hostwoext = NULL;}
if(extension) {free(extension); extension = NULL;}
if(l_host ) {free(l_host); l_host = NULL;}
if(h_host ) {free(h_host); h_host = NULL;}
return res;
}
//---------------------------------------------------------------------------------------------------------------------
bool Audio::httpPrint(const char* host) {
// user and pwd for authentification only, can be empty
if(host == NULL) {
AUDIO_INFO("Hostaddress is empty");
return false;
}
char* h_host = NULL; // pointer of l_host without http:// or https://
if(m_f_ssl) h_host = strdup(host + 8);
else h_host = strdup(host + 7);
int16_t pos_slash; // position of "/" in hostname
int16_t pos_colon; // position of ":" in hostname
int16_t pos_ampersand; // position of "&" in hostname
uint16_t port = 80; // port number
// In the URL there may be an extension, like noisefm.ru:8000/play.m3u&t=.m3u
pos_slash = indexOf(h_host, "/", 0);
pos_colon = indexOf(h_host, ":", 0);
if(isalpha(h_host[pos_colon + 1])) pos_colon = -1; // no portnumber follows
pos_ampersand = indexOf(h_host, "&", 0);
char *hostwoext = NULL; // "skonto.ls.lv:8002" in "skonto.ls.lv:8002/mp3"
char *extension = NULL; // "/mp3" in "skonto.ls.lv:8002/mp3"
if(pos_slash > 1) {
hostwoext = (char*)malloc(pos_slash + 1);
memcpy(hostwoext, h_host, pos_slash);
hostwoext[pos_slash] = '\0';
uint16_t extLen = urlencode_expected_len(h_host + pos_slash);
extension = (char *)malloc(extLen + 20);
memcpy(extension, h_host + pos_slash, extLen);
urlencode(extension, extLen, true);
}
else{ // url has no extension
hostwoext = strdup(h_host);
extension = strdup("/");
}
if((pos_colon >= 0) && ((pos_ampersand == -1) || (pos_ampersand > pos_colon))){
port = atoi(h_host + pos_colon + 1);// Get portnumber as integer
hostwoext[pos_colon] = '\0';// Host without portnumber
}
AUDIO_INFO("new request: \"%s\"", host);
char rqh[strlen(h_host) + 200]; // http request header
rqh[0] = '\0';
strcat(rqh, "GET ");
strcat(rqh, extension);
strcat(rqh, " HTTP/1.1\r\n");
strcat(rqh, "Host: ");
strcat(rqh, hostwoext);
strcat(rqh, "\r\n");
strcat(rqh, "Accept-Encoding: identity;q=1,*;q=0\r\n");
// strcat(rqh, "User-Agent: Mozilla/5.0\r\n"); #363
strcat(rqh, "Connection: keep-alive\r\n\r\n");
if(m_f_ssl){ _client = static_cast<WiFiClient*>(&clientsecure); if(port == 80) port = 443;}
else { _client = static_cast<WiFiClient*>(&client);}
if(!_client->connected()){
AUDIO_INFO("The host has disconnected, reconnecting");
if(!_client->connect(hostwoext, port)){
log_e("connection lost");
stopSong();
return false;
}
}
_client->print(rqh);
if(endsWith(extension, ".mp3")) m_expectedCodec = CODEC_MP3;
if(endsWith(extension, ".aac")) m_expectedCodec = CODEC_AAC;
if(endsWith(extension, ".wav")) m_expectedCodec = CODEC_WAV;
if(endsWith(extension, ".m4a")) m_expectedCodec = CODEC_M4A;
if(endsWith(extension, ".flac")) m_expectedCodec = CODEC_FLAC;
if(endsWith(extension, ".asx")) m_expectedPlsFmt = FORMAT_ASX;
if(endsWith(extension, ".m3u")) m_expectedPlsFmt = FORMAT_M3U;
if(endsWith(extension, ".m3u8")) m_expectedPlsFmt = FORMAT_M3U8;
if(endsWith(extension, ".pls")) m_expectedPlsFmt = FORMAT_PLS;
setDatamode(HTTP_RESPONSE_HEADER); // Handle header
m_streamType = ST_WEBSTREAM;
m_contentlength = 0;
m_f_chunked = false;
if(hostwoext) {free(hostwoext); hostwoext = NULL;}
if(extension) {free(extension); extension = NULL;}
if(h_host ) {free(h_host); h_host = NULL;}
return true;
}
//---------------------------------------------------------------------------------------------------------------------
bool Audio::setFileLoop(bool input){
if(m_codec == CODEC_M4A) return 0;
m_f_loop = input;
return input;
}
//---------------------------------------------------------------------------------------------------------------------
void Audio::UTF8toASCII(char* str){
#ifdef SDFATFS_USED
//UTF8->UTF16 (lowbyte)
const uint8_t ascii[60] = {
//129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148 // UTF8(C3)
// Ä Å Æ Ç É Ñ // CHAR
000, 000, 000, 0xC4, 143, 0xC6,0xC7, 000,0xC9,000, 000, 000, 000, 000, 000, 000, 0xD1, 000, 000, 000, // ASCII (Latin1)
//149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168
// Ö Ü ß à ä å æ è
000, 0xD6,000, 000, 000, 000, 000, 0xDC, 000, 000, 0xDF,0xE0, 000, 000, 000,0xE4,0xE5,0xE6, 000,0xE8,
//169, 170, 171, 172. 173. 174. 175, 176, 177, 179, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188
// ê ë ì î ï ñ ò ô ö ù û ü
000, 0xEA, 0xEB,0xEC, 000,0xEE,0xEB, 000,0xF1,0xF2, 000,0xF4, 000,0xF6, 000, 000,0xF9, 000,0xFB,0xFC};
#else
const uint8_t ascii[60] = {
//129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148 // UTF8(C3)
// Ä Å Æ Ç É Ñ // CHAR
000, 000, 000, 142, 143, 146, 128, 000, 144, 000, 000, 000, 000, 000, 000, 000, 165, 000, 000, 000, // ASCII
//149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168
// Ö Ü ß à ä å æ è
000, 153, 000, 000, 000, 000, 000, 154, 000, 000, 225, 133, 000, 000, 000, 132, 134, 145, 000, 138,
//169, 170, 171, 172. 173. 174. 175, 176, 177, 179, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188
// ê ë ì î ï ñ ò ô ö ù û ü
000, 136, 137, 141, 000, 140, 139, 000, 164, 149, 000, 147, 000, 148, 000, 000, 151, 000, 150, 129};
#endif
uint16_t i = 0, j=0, s = 0;
bool f_C3_seen = false;
while(str[i] != 0) { // convert UTF8 to ASCII
if(str[i] == 195){ // C3
i++;
f_C3_seen = true;
continue;
}
str[j] = str[i];
if(str[j] > 128 && str[j] < 189 && f_C3_seen == true) {
s = ascii[str[j] - 129];
if(s != 0) str[j] = s; // found a related ASCII sign
f_C3_seen = false;
}
i++; j++;
}
str[j] = 0;
}
#ifndef AUDIO_NO_SD_FS
//---------------------------------------------------------------------------------------------------------------------
bool Audio::connecttoSD(const char* path, uint32_t resumeFilePos) {
return connecttoFS(SD, path, resumeFilePos);
}
//---------------------------------------------------------------------------------------------------------------------
bool Audio::connecttoFS(fs::FS &fs, const char* path, uint32_t resumeFilePos) {
if(strlen(path)>255) return false;
m_resumeFilePos = resumeFilePos;
char audioName[256];
setDefaults(); // free buffers an set defaults
memcpy(audioName, path, strlen(path)+1);
if(audioName[0] != '/'){
for(int i = 255; i > 0; i--){
audioName[i] = audioName[i-1];
}
audioName[0] = '/';
}
AUDIO_INFO("Reading file: \"%s\"", audioName); vTaskDelay(2);
if(fs.exists(audioName)) {
audiofile = fs.open(audioName); // #86
}
else {
UTF8toASCII(audioName);
if(fs.exists(audioName)) {
audiofile = fs.open(audioName);
}
}
if(!audiofile) {
if(audio_info) {vTaskDelay(2); audio_info("Failed to open file for reading");}
return false;
}
setDatamode(AUDIO_LOCALFILE);
m_file_size = audiofile.size();//TEST loop
char* afn = NULL; // audioFileName
#ifdef SDFATFS_USED
audiofile.getName(m_chbuf, sizeof(m_chbuf));
afn = strdup(m_chbuf);
#else
afn = strdup(audiofile.name());
#endif
uint8_t dotPos = lastIndexOf(afn, ".");
for(uint8_t i = dotPos + 1; i < strlen(afn); i++){
afn[i] = toLowerCase(afn[i]);
}
if(endsWith(afn, ".mp3")) m_codec = CODEC_MP3; // m_codec is by default CODEC_NONE
if(endsWith(afn, ".m4a")) m_codec = CODEC_M4A;
if(endsWith(afn, ".aac")) m_codec = CODEC_AAC;
if(endsWith(afn, ".wav")) m_codec = CODEC_WAV;
if(endsWith(afn, ".flac")) m_codec = CODEC_FLAC;
if(m_codec == CODEC_NONE) AUDIO_INFO("The %s format is not supported", afn + dotPos);
if(afn) {free(afn); afn = NULL;}
bool ret = initializeDecoder();
if(ret) m_f_running = true;
else audiofile.close();
return ret;
}
#endif // AUDIO_NO_SD_FS
//---------------------------------------------------------------------------------------------------------------------
bool Audio::connecttospeech(const char* speech, const char* lang){
setDefaults();
char host[] = "translate.google.com.vn";
char path[] = "/translate_tts";
uint16_t speechLen = strlen(speech);
uint16_t speechBuffLen = speechLen + 300;
memcpy(m_lastHost, speech, 256);
char* speechBuff = (char*)malloc(speechBuffLen);
if(!speechBuff) {log_e("out of memory"); return false;}
memcpy(speechBuff, speech, speechLen);
speechBuff[speechLen] = '\0';
urlencode(speechBuff, speechBuffLen);
char resp[strlen(speechBuff) + 200] = "";
strcat(resp, "GET ");
strcat(resp, path);
strcat(resp, "?ie=UTF-8&tl=");
strcat(resp, lang);
strcat(resp, "&client=tw-ob&q=");
strcat(resp, speechBuff);
strcat(resp, " HTTP/1.1\r\n");
strcat(resp, "Host: ");
strcat(resp, host);
strcat(resp, "\r\n");
strcat(resp, "User-Agent: Mozilla/5.0 \r\n");
strcat(resp, "Accept-Encoding: identity\r\n");
strcat(resp, "Accept: text/html\r\n");
strcat(resp, "Connection: close\r\n\r\n");
if(speechBuff){free(speechBuff); speechBuff = NULL;}
_client = static_cast<WiFiClient*>(&client);
if(!_client->connect(host, 80)) {
log_e("Connection failed");
return false;
}
_client->print(resp);
m_streamType = ST_WEBFILE;
m_f_running = true;
m_f_ssl = false;
m_f_tts = true;
setDatamode(HTTP_RESPONSE_HEADER);
return true;
}
//---------------------------------------------------------------------------------------------------------------------
bool Audio::connecttomarytts(const char* speech, const char* lang, const char* voice){
//lang: fr, te, ru, en_US, en_GB, sv, lb, tr, de, it
//voice: upmc-pierre-hsmm fr male hmm
// upmc-pierre fr male unitselection general
// upmc-jessica-hsmm fr female hmm
// upmc-jessica fr female unitselection general
// marylux lb female unitselection general
// istc-lucia-hsmm it female hmm
// enst-dennys-hsmm fr male hmm
// enst-camille-hsmm fr female hmm
// enst-camille fr female unitselection general
// dfki-spike-hsmm en_GB male hmm
// dfki-spike en_GB male unitselection general
// dfki-prudence-hsmm en_GB female hmm
// dfki-prudence en_GB female unitselection general
// dfki-poppy-hsmm en_GB female hmm
// dfki-poppy en_GB female unitselection general
// dfki-pavoque-styles de male unitselection general
// dfki-pavoque-neutral-hsmm de male hmm
// dfki-pavoque-neutral de male unitselection general
// dfki-ot-hsmm tr male hmm
// dfki-ot tr male unitselection general
// dfki-obadiah-hsmm en_GB male hmm
// dfki-obadiah en_GB male unitselection general
// cmu-slt-hsmm en_US female hmm
// cmu-slt en_US female unitselection general
// cmu-rms-hsmm en_US male hmm
// cmu-rms en_US male unitselection general
// cmu-nk-hsmm te female hmm
// cmu-bdl-hsmm en_US male hmm
// cmu-bdl en_US male unitselection general
// bits4 de female unitselection general
// bits3-hsmm de male hmm
// bits3 de male unitselection general
// bits2 de male unitselection general
// bits1-hsmm de female hmm
// bits1 de female unitselection general
setDefaults();
char host[] = "mary.dfki.de";
char path[] = "/process";
int port = 59125;
uint16_t speechLen = strlen(speech);
uint16_t speechBuffLen = speechLen + 300;
memcpy(m_lastHost, speech, 256);
char* speechBuff = (char*)malloc(speechBuffLen);
if(!speechBuff) {log_e("out of memory"); return false;}
memcpy(speechBuff, speech, speechLen);
speechBuff[speechLen] = '\0';
urlencode(speechBuff, speechBuffLen);
char resp[strlen(speechBuff) + 200] = "";
strcat(resp, "GET ");
strcat(resp, path);
strcat(resp, "?INPUT_TEXT=");
strcat(resp, speechBuff);
strcat(resp, "&INPUT_TYPE=TEXT");
strcat(resp, "&OUTPUT_TYPE=AUDIO");
strcat(resp, "&AUDIO=WAVE_FILE");
strcat(resp, "&LOCALE=");
strcat(resp, lang);
strcat(resp, "&VOICE=");
strcat(resp, voice);
strcat(resp, " HTTP/1.1\r\n");
strcat(resp, "Host: ");
strcat(resp, host);
strcat(resp, "\r\n");
strcat(resp, "User-Agent: Mozilla/5.0 \r\n");
strcat(resp, "Accept-Encoding: identity\r\n");
strcat(resp, "Accept: text/html\r\n");
strcat(resp, "Connection: close\r\n\r\n");
if(speechBuff){free(speechBuff); speechBuff = NULL;}
_client = static_cast<WiFiClient*>(&client);
if(!_client->connect(host, port)) {
log_e("Connection failed");
return false;
}
_client->print(resp);
m_streamType = ST_WEBFILE;
m_f_running = true;
m_f_ssl = false;
m_f_tts = true;
setDatamode(HTTP_RESPONSE_HEADER);
return true;
}
//---------------------------------------------------------------------------------------------------------------------
void Audio::urlencode(char* buff, uint16_t buffLen, bool spacesOnly) {
uint16_t len = strlen(buff);
uint8_t* tmpbuff = (uint8_t*)malloc(buffLen);
if(!tmpbuff) {log_e("out of memory"); return;}
char c;
char code0;
char code1;
uint16_t j = 0;
for(int i = 0; i < len; i++) {
c = buff[i];
if(isalnum(c)) tmpbuff[j++] = c;
else if(spacesOnly){
if(c == ' '){
tmpbuff[j++] = '%';
tmpbuff[j++] = '2';
tmpbuff[j++] = '0';
}
else{
tmpbuff[j++] = c;
}
}
else {
code1 = (c & 0xf) + '0';
if((c & 0xf) > 9) code1 = (c & 0xf) - 10 + 'A';
c = (c >> 4) & 0xf;
code0 = c + '0';
if(c > 9) code0 = c - 10 + 'A';
tmpbuff[j++] = '%';
tmpbuff[j++] = code0;
tmpbuff[j++] = code1;
}
if(j == buffLen - 1){
log_e("out of memory");
break;
}
}
memcpy(buff, tmpbuff, j);
buff[j] ='\0';
free(tmpbuff);
}
//---------------------------------------------------------------------------------------------------------------------
void Audio::showID3Tag(const char* tag, const char* value){
m_chbuf[0] = 0;
// V2.2
if(!strcmp(tag, "CNT")) sprintf(m_chbuf, "Play counter: %s", value);
// if(!strcmp(tag, "COM")) sprintf(m_chbuf, "Comments: %s", value);
if(!strcmp(tag, "CRA")) sprintf(m_chbuf, "Audio encryption: %s", value);
if(!strcmp(tag, "CRM")) sprintf(m_chbuf, "Encrypted meta frame: %s", value);
if(!strcmp(tag, "ETC")) sprintf(m_chbuf, "Event timing codes: %s", value);
if(!strcmp(tag, "EQU")) sprintf(m_chbuf, "Equalization: %s", value);
if(!strcmp(tag, "IPL")) sprintf(m_chbuf, "Involved people list: %s", value);
if(!strcmp(tag, "PIC")) sprintf(m_chbuf, "Attached picture: %s", value);
if(!strcmp(tag, "SLT")) sprintf(m_chbuf, "Synchronized lyric/text: %s", value);
// if(!strcmp(tag, "TAL")) sprintf(m_chbuf, "Album/Movie/Show title: %s", value);
if(!strcmp(tag, "TBP")) sprintf(m_chbuf, "BPM (Beats Per Minute): %s", value);
if(!strcmp(tag, "TCM")) sprintf(m_chbuf, "Composer: %s", value);
if(!strcmp(tag, "TCO")) sprintf(m_chbuf, "Content type: %s", value);
if(!strcmp(tag, "TCR")) sprintf(m_chbuf, "Copyright message: %s", value);
if(!strcmp(tag, "TDA")) sprintf(m_chbuf, "Date: %s", value);
if(!strcmp(tag, "TDY")) sprintf(m_chbuf, "Playlist delay: %s", value);
if(!strcmp(tag, "TEN")) sprintf(m_chbuf, "Encoded by: %s", value);
if(!strcmp(tag, "TFT")) sprintf(m_chbuf, "File type: %s", value);
if(!strcmp(tag, "TIM")) sprintf(m_chbuf, "Time: %s", value);
if(!strcmp(tag, "TKE")) sprintf(m_chbuf, "Initial key: %s", value);
if(!strcmp(tag, "TLA")) sprintf(m_chbuf, "Language(s): %s", value);
if(!strcmp(tag, "TLE")) sprintf(m_chbuf, "Length: %s", value);
if(!strcmp(tag, "TMT")) sprintf(m_chbuf, "Media type: %s", value);
if(!strcmp(tag, "TOA")) sprintf(m_chbuf, "Original artist(s)/performer(s): %s", value);
if(!strcmp(tag, "TOF")) sprintf(m_chbuf, "Original filename: %s", value);
if(!strcmp(tag, "TOL")) sprintf(m_chbuf, "Original Lyricist(s)/text writer(s): %s", value);
if(!strcmp(tag, "TOR")) sprintf(m_chbuf, "Original release year: %s", value);
if(!strcmp(tag, "TOT")) sprintf(m_chbuf, "Original album/Movie/Show title: %s", value);
if(!strcmp(tag, "TP1")) sprintf(m_chbuf, "Lead artist(s)/Lead performer(s)/Soloist(s)/Performing group: %s", value);
if(!strcmp(tag, "TP2")) sprintf(m_chbuf, "Band/Orchestra/Accompaniment: %s", value);
if(!strcmp(tag, "TP3")) sprintf(m_chbuf, "Conductor/Performer refinement: %s", value);
if(!strcmp(tag, "TP4")) sprintf(m_chbuf, "Interpreted, remixed, or otherwise modified by: %s", value);
if(!strcmp(tag, "TPA")) sprintf(m_chbuf, "Part of a set: %s", value);
if(!strcmp(tag, "TPB")) sprintf(m_chbuf, "Publisher: %s", value);
if(!strcmp(tag, "TRC")) sprintf(m_chbuf, "ISRC (International Standard Recording Code): %s", value);
if(!strcmp(tag, "TRD")) sprintf(m_chbuf, "Recording dates: %s", value);
if(!strcmp(tag, "TRK")) sprintf(m_chbuf, "Track number/Position in set: %s", value);
if(!strcmp(tag, "TSI")) sprintf(m_chbuf, "Size: %s", value);
if(!strcmp(tag, "TSS")) sprintf(m_chbuf, "Software/hardware and settings used for encoding: %s", value);
if(!strcmp(tag, "TT1")) sprintf(m_chbuf, "Content group description: %s", value);
if(!strcmp(tag, "TT2")) sprintf(m_chbuf, "Title/Songname/Content description: %s", value);
if(!strcmp(tag, "TT3")) sprintf(m_chbuf, "Subtitle/Description refinement: %s", value);
if(!strcmp(tag, "TXT")) sprintf(m_chbuf, "Lyricist/text writer: %s", value);
if(!strcmp(tag, "TXX")) sprintf(m_chbuf, "User defined text information frame: %s", value);
if(!strcmp(tag, "TYE")) sprintf(m_chbuf, "Year: %s", value);
if(!strcmp(tag, "UFI")) sprintf(m_chbuf, "Unique file identifier: %s", value);
if(!strcmp(tag, "ULT")) sprintf(m_chbuf, "Unsychronized lyric/text transcription: %s", value);
if(!strcmp(tag, "WAF")) sprintf(m_chbuf, "Official audio file webpage: %s", value);
if(!strcmp(tag, "WAR")) sprintf(m_chbuf, "Official artist/performer webpage: %s", value);
if(!strcmp(tag, "WAS")) sprintf(m_chbuf, "Official audio source webpage: %s", value);
if(!strcmp(tag, "WCM")) sprintf(m_chbuf, "Commercial information: %s", value);
if(!strcmp(tag, "WCP")) sprintf(m_chbuf, "Copyright/Legal information: %s", value);
if(!strcmp(tag, "WPB")) sprintf(m_chbuf, "Publishers official webpage: %s", value);
if(!strcmp(tag, "WXX")) sprintf(m_chbuf, "User defined URL link frame: %s", value);
// V2.3 V2.4 tags
// if(!strcmp(tag, "COMM")) sprintf(m_chbuf, "Comment: %s", value);
if(!strcmp(tag, "OWNE")) sprintf(m_chbuf, "Ownership: %s", value);
// if(!strcmp(tag, "PRIV")) sprintf(m_chbuf, "Private: %s", value);
if(!strcmp(tag, "SYLT")) sprintf(m_chbuf, "SynLyrics: %s", value);
if(!strcmp(tag, "TALB")) sprintf(m_chbuf, "Album: %s", value);
if(!strcmp(tag, "TBPM")) sprintf(m_chbuf, "BeatsPerMinute: %s", value);
if(!strcmp(tag, "TCMP")) sprintf(m_chbuf, "Compilation: %s", value);
if(!strcmp(tag, "TCOM")) sprintf(m_chbuf, "Composer: %s", value);
if(!strcmp(tag, "TCON")) sprintf(m_chbuf, "ContentType: %s", value);
if(!strcmp(tag, "TCOP")) sprintf(m_chbuf, "Copyright: %s", value);
if(!strcmp(tag, "TDAT")) sprintf(m_chbuf, "Date: %s", value);
if(!strcmp(tag, "TEXT")) sprintf(m_chbuf, "Lyricist: %s", value);
if(!strcmp(tag, "TIME")) sprintf(m_chbuf, "Time: %s", value);
if(!strcmp(tag, "TIT1")) sprintf(m_chbuf, "Grouping: %s", value);
if(!strcmp(tag, "TIT2")) sprintf(m_chbuf, "Title: %s", value);
if(!strcmp(tag, "TIT3")) sprintf(m_chbuf, "Subtitle: %s", value);
if(!strcmp(tag, "TLAN")) sprintf(m_chbuf, "Language: %s", value);
if(!strcmp(tag, "TLEN")) sprintf(m_chbuf, "Length (ms): %s", value);
if(!strcmp(tag, "TMED")) sprintf(m_chbuf, "Media: %s", value);
if(!strcmp(tag, "TOAL")) sprintf(m_chbuf, "OriginalAlbum: %s", value);
if(!strcmp(tag, "TOPE")) sprintf(m_chbuf, "OriginalArtist: %s", value);