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ESP32-audioI2S
Unverified Commit 5f4c5dd4 authored by Wolle's avatar Wolle Committed by GitHub
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parent d64aae18
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Showing with 49 additions and 7 deletions
src/Audio.cpp
View file @ 5f4c5dd4
......@@ -505,6 +505,7 @@ bool Audio::connecttohost(const char* host, const char* user, const char* pwd) {
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, "-flac")) m_expectedCodec = CODEC_FLAC;
if(endsWith(extension, ".opus")) m_expectedCodec = CODEC_OPUS;
if(endsWith(extension, "/opus")) m_expectedCodec = CODEC_OPUS;
if(endsWith(extension, ".asx")) m_expectedPlsFmt = FORMAT_ASX;
......@@ -2891,6 +2892,13 @@ void Audio::processWebStream() {
AUDIO_INFO("stream ready");
}
if(!f_stream) return;
if(m_codec == CODEC_OGG){ log_i("determine correct codec here");
uint8_t codec = determineOggCodec(InBuff.getReadPtr(), maxFrameSize);
if(codec == CODEC_FLAC) {m_codec = CODEC_FLAC; initializeDecoder(); return;}
if(codec == CODEC_OPUS) {m_codec = CODEC_OPUS; initializeDecoder(); return;}
stopSong();
return;
}
}
// play audio data - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
......@@ -3399,6 +3407,10 @@ bool Audio::parseHttpResponseHeader() { // this is the response to a GET / reque
const char* c_idesc = (rhl + 16);
while(c_idesc[0] == ' ') c_idesc++;
latinToUTF8(rhl, sizeof(rhl)); // if already UTF-0 do nothing, otherwise convert to UTF-8
if(specialIndexOf((uint8_t*)c_idesc, "24bit", strlen(c_idesc)) >= 0){
AUDIO_INFO("icy-description: %s has to be 8 or 16", c_idesc);
stopSong();
}
if(audio_icydescription) audio_icydescription(c_idesc);
}
......@@ -3506,6 +3518,8 @@ bool Audio:: initializeDecoder(){
case CODEC_WAV:
InBuff.changeMaxBlockSize(m_frameSizeWav);
break;
case CODEC_OGG: // the decoder will be determined later (vorbis, flac, opus?)
break;
default:
goto exit;
break;
......@@ -3520,7 +3534,7 @@ bool Audio:: initializeDecoder(){
bool Audio::parseContentType(char* ct) {
enum : int {CT_NONE, CT_MP3, CT_AAC, CT_M4A, CT_WAV, CT_FLAC, CT_PLS, CT_M3U, CT_ASX,
CT_M3U8, CT_TXT, CT_AACP, CT_OPUS};
CT_M3U8, CT_TXT, CT_AACP, CT_OPUS, CT_OGG};
strlwr(ct);
trim(ct);
......@@ -3557,8 +3571,8 @@ bool Audio::parseContentType(char* ct) {
else if(!strcmp(ct, "video/x-ms-asf")) ct_val = CT_ASX;
else if(!strcmp(ct, "audio/x-ms-asx")) ct_val = CT_ASX; // #413
else if(!strcmp(ct, "application/ogg")) {ct_val = CT_FLAC; if(m_expectedCodec == CODEC_OPUS) ct_val = CT_OPUS;}
else if(!strcmp(ct, "audio/ogg")) {ct_val = CT_FLAC; if(m_expectedCodec == CODEC_OPUS) ct_val = CT_OPUS;}
else if(!strcmp(ct, "application/ogg")) ct_val = CT_OGG;
else if(!strcmp(ct, "audio/ogg")) ct_val = CT_OGG;
else if(!strcmp(ct, "application/vnd.apple.mpegurl")) ct_val = CT_M3U8;
else if(!strcmp(ct, "application/x-mpegurl")) ct_val =CT_M3U8;
......@@ -3598,6 +3612,11 @@ bool Audio::parseContentType(char* ct) {
m_codec = CODEC_WAV;
if(m_f_Log) { log_i("ContentType %s, format is wav", ct); }
break;
case CT_OGG:
if (m_expectedCodec == CODEC_OPUS) m_codec = CODEC_OPUS;
else if(m_expectedCodec == CODEC_FLAC) m_codec = CODEC_FLAC;
else m_codec = CODEC_OGG; // determine in first OGG packet -OPUS, VORBIS, FLAC
break;
case CT_PLS:
m_playlistFormat = FORMAT_PLS;
break;
......@@ -4067,7 +4086,7 @@ void Audio::printDecodeError(int r) {
if(m_codec == CODEC_OPUS){
switch(r){
case ERR_OPUS_NONE: e = "NONE"; break;
case ERR_OPUS_NR_OF_CHANNELS_UNSUPPORTED: e = "UNKNOWN CHANNEL ASSIGNMENT"; break;
case ERR_OPUS_CHANNELS_OUT_OF_RANGE: e = "UNKNOWN CHANNEL ASSIGNMENT"; break;
case ERR_OPUS_INVALID_SAMPLERATE: e = "SAMPLERATE IS NOT 48000Hz"; break;
case ERR_OPUS_EXTRA_CHANNELS_UNSUPPORTED: e = "EXTRA CHANNELS UNSUPPORTED"; break;
case ERR_OPUS_SILK_MODE_UNSUPPORTED: e = "SILK MODE UNSUPPORTED"; break;
......@@ -4076,6 +4095,12 @@ void Audio::printDecodeError(int r) {
case ERR_OPUS_CELT_INTERNAL_ERROR: e = "CELT DECODER INTERNAL ERROR"; break;
case ERR_OPUS_CELT_UNIMPLEMENTED: e = "CELT DECODER UNIMPLEMENTED ARG"; break;
case ERR_OPUS_CELT_ALLOC_FAIL: e = "CELT DECODER INIT ALLOC FAIL"; break;
case ERR_OPUS_CELT_UNKNOWN_REQUEST: e = "CELT_UNKNOWN_REQUEST FAIL"; break;
case ERR_OPUS_CELT_GET_MODE_REQUEST: e = "CELT_GET_MODE_REQUEST FAIL"; break;
case ERR_OPUS_CELT_CLEAR_REQUEST: e = "CELT_CLEAR_REAUEST_FAIL"; break;
case ERR_OPUS_CELT_SET_CHANNELS: e = "CELT_SET_CHANNELS_FAIL"; break;
case ERR_OPUS_CELT_END_BAND: e = "CELT_END_BAND_REQUEST_FAIL"; break;
case ERR_CELT_OPUS_INTERNAL_ERROR: e = "CELT_INTERNAL_ERROR"; break;
default: e = "ERR_UNKNOWN";
}
AUDIO_INFO("OPUS decode error %d : %s", r, e);
......@@ -5259,5 +5284,22 @@ uint32_t Audio::mp3_correctResumeFilePos(uint32_t resumeFilePos){
return m_audioDataStart;
}
//----------------------------------------------------------------------------------------------------------------------
uint8_t Audio::determineOggCodec(uint8_t* data, uint16_t len){
// if we have contentType == application/ogg; codec cn be OPUS, FLAC or VORBIS
// let's have a look, what it is
int idx = specialIndexOf(data, "OggS", 6);
if(idx != 0){
if(specialIndexOf(data, "fLaC", 6)) return CODEC_FLAC;
return CODEC_NONE;
}
data += 27;
idx = specialIndexOf(data, "OpusHead", 20);
if(idx >= 0) return CODEC_OPUS;
idx = specialIndexOf(data, "FLAC", 20);
if(idx >= 0) return CODEC_FLAC;
idx = specialIndexOf(data, "vorbis", 20);
if(idx >= 0) return CODEC_NONE; // CODEC_VORBIS
return CODEC_NONE;
}
//----------------------------------------------------------------------------------------------------------------------
src/Audio.h
View file @ 5f4c5dd4
......@@ -253,7 +253,6 @@ private:
bool playChunk();
bool playSample(int16_t sample[2]) ;
int32_t Gain(int16_t s[2]);
bool fill_InputBuf();
void showstreamtitle(const char* ml);
bool parseContentType(char* ct);
bool parseHttpResponseHeader();
......@@ -280,6 +279,7 @@ private:
uint32_t m4a_correctResumeFilePos(uint32_t resumeFilePos);
uint32_t flac_correctResumeFilePos(uint32_t resumeFilePos);
uint32_t mp3_correctResumeFilePos(uint32_t resumeFilePos);
uint8_t determineOggCodec(uint8_t* data, uint16_t len);
//++++ implement several function with respect to the index of string ++++
......@@ -442,7 +442,7 @@ private:
enum : int { M4A_BEGIN = 0, M4A_FTYP = 1, M4A_CHK = 2, M4A_MOOV = 3, M4A_FREE = 4, M4A_TRAK = 5, M4A_MDAT = 6,
M4A_ILST = 7, M4A_MP4A = 8, M4A_AMRDY = 99, M4A_OKAY = 100};
enum : int { CODEC_NONE = 0, CODEC_WAV = 1, CODEC_MP3 = 2, CODEC_AAC = 3, CODEC_M4A = 4, CODEC_FLAC = 5,
CODEC_AACP = 6, CODEC_OPUS = 7};
CODEC_AACP = 6, CODEC_OPUS = 7, CODEC_OGG = 8};
enum : int { ST_NONE = 0, ST_WEBFILE = 1, ST_WEBSTREAM = 2};
typedef enum { LEFTCHANNEL=0, RIGHTCHANNEL=1 } SampleIndex;
typedef enum { LOWSHELF = 0, PEAKEQ = 1, HIFGSHELF =2 } FilterType;
......
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