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xpstem
ESP32-audioI2S
Commits
c14b9db9
Commit
c14b9db9
authored
Feb 14, 2024
by
schreibfaul1
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first changes
parent
f72086a1
Changes
6
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6 changed files
with
119 additions
and
59 deletions
+119
-59
src/Audio.cpp
src/Audio.cpp
+5
-2
src/Audio.h
src/Audio.h
+1
-1
src/flac_decoder/flac_decoder.cpp
src/flac_decoder/flac_decoder.cpp
+110
-54
src/flac_decoder/flac_decoder.h
src/flac_decoder/flac_decoder.h
+1
-0
src/opus_decoder/opus_decoder.cpp
src/opus_decoder/opus_decoder.cpp
+1
-1
src/vorbis_decoder/vorbis_decoder.cpp
src/vorbis_decoder/vorbis_decoder.cpp
+1
-1
No files found.
src/Audio.cpp
View file @
c14b9db9
...
...
@@ -605,7 +605,7 @@ bool Audio::connecttohost(const char* host, const char* user, const char* pwd) {
m_expectedPlsFmt
=
FORMAT_NONE
;
if
(
res
)
{
log_i
(
"connecttohost(): %s"
,
rqh
);
//
log_i("connecttohost(): %s", rqh);
_client
->
print
(
rqh
);
if
(
endsWith
(
extension
,
".mp3"
))
m_expectedCodec
=
CODEC_MP3
;
if
(
endsWith
(
extension
,
".aac"
))
m_expectedCodec
=
CODEC_AAC
;
...
...
@@ -3033,6 +3033,7 @@ void Audio::processLocalFile() {
stopSong
();
return
;
}
m_controlCounter
=
100
;
if
(
m_controlCounter
!=
100
)
{
if
((
millis
()
-
ctime
)
>
timeout
)
{
log_e
(
"audioHeader reading timeout"
);
...
...
@@ -4261,8 +4262,10 @@ int Audio::findNextSync(uint8_t* data, size_t len) {
nextSync
=
0
;
}
if
(
m_codec
==
CODEC_FLAC
)
{
nextSync
=
OPUSFindSyncWord
(
data
,
len
);
if
(
nextSync
==
-
1
)
return
len
;
// OggS not found, search next block
FLACSetRawBlockParams
(
m_flacNumChannels
,
m_flacSampleRate
,
m_flacBitsPerSample
,
m_flacTotalSamplesInStream
,
m_audioDataSize
);
nextSync
=
FLACFindSyncWord
(
data
,
len
);
//
nextSync = FLACFindSyncWord(data, len);
}
if
(
m_codec
==
CODEC_OPUS
)
{
nextSync
=
OPUSFindSyncWord
(
data
,
len
);
...
...
src/Audio.h
View file @
c14b9db9
...
...
@@ -337,7 +337,7 @@ private:
}
int
specialIndexOf
(
uint8_t
*
base
,
const
char
*
str
,
int
baselen
,
bool
exact
=
false
){
int
result
=
0
;
// seek for str in buffer or in header up to baselen, not nullterninated
int
result
=
-
1
;
// seek for str in buffer or in header up to baselen, not nullterninated
if
(
strlen
(
str
)
>
baselen
)
return
-
1
;
// if exact == true seekstr in buffer must have "\0" at the end
for
(
int
i
=
0
;
i
<
baselen
-
strlen
(
str
);
i
++
){
result
=
i
;
...
...
src/flac_decoder/flac_decoder.cpp
View file @
c14b9db9
...
...
@@ -19,14 +19,14 @@ FLACFrameHeader_t *FLACFrameHeader;
FLACMetadataBlock_t
*
FLACMetadataBlock
;
FLACsubFramesBuff_t
*
FLACsubFramesBuff
;
vector
<
int32_t
>
coefs
;
vector
<
int32_t
>
coefs
;
vector
<
uint16_t
>
s_flacSegmTableVec
;
const
uint16_t
outBuffSize
=
2048
;
uint16_t
m_blockSize
=
0
;
uint16_t
m_blockSizeLeft
=
0
;
uint16_t
m_validSamples
=
0
;
uint8_t
m_status
=
0
;
uint8_t
*
m_inptr
;
uint16_t
*
s_flacSegmentTable
=
NULL
;
float
m_compressionRatio
=
0
;
uint32_t
m_bitrate
=
0
;
uint16_t
m_rIndex
=
0
;
...
...
@@ -37,6 +37,9 @@ uint8_t m_flacPageSegments = 0;
uint8_t
m_page0_len
=
0
;
char
*
m_streamTitle
=
NULL
;
boolean
s_f_newSt
=
false
;
bool
s_f_firstCall
=
false
;
bool
s_f_oggWrapper
=
false
;
uint8_t
s_flacPageNr
=
0
;
//----------------------------------------------------------------------------------------------------------------------
// FLAC INI SECTION
...
...
@@ -52,13 +55,13 @@ bool FLACDecoder_AllocateBuffers(void){
if
(
!
FLACMetadataBlock
)
{
FLACMetadataBlock
=
(
FLACMetadataBlock_t
*
)
__malloc_heap_psram
(
sizeof
(
FLACMetadataBlock_t
));}
if
(
!
FLACsubFramesBuff
)
{
FLACsubFramesBuff
=
(
FLACsubFramesBuff_t
*
)
__malloc_heap_psram
(
sizeof
(
FLACsubFramesBuff_t
));}
if
(
!
m_streamTitle
)
{
m_streamTitle
=
(
char
*
)
__malloc_heap_psram
(
256
);}
if
(
!
s_flacSegmentTable
)
{
s_flacSegmentTable
=
(
uint16_t
*
)
__malloc_heap_psram
(
256
*
sizeof
(
uint16_t
));}
if
(
!
FLACFrameHeader
||
!
FLACMetadataBlock
||
!
FLACsubFramesBuff
||
!
m_streamTitle
||
!
s_flacSegmentTable
){
if
(
!
FLACFrameHeader
||
!
FLACMetadataBlock
||
!
FLACsubFramesBuff
||
!
m_streamTitle
){
log_e
(
"not enough memory to allocate flacdecoder buffers"
);
return
false
;
}
FLACDecoder_ClearBuffer
();
FLACDecoder_setDefaults
();
return
true
;
}
//----------------------------------------------------------------------------------------------------------------------
...
...
@@ -66,6 +69,7 @@ void FLACDecoder_ClearBuffer(){
memset
(
FLACFrameHeader
,
0
,
sizeof
(
FLACFrameHeader_t
));
memset
(
FLACMetadataBlock
,
0
,
sizeof
(
FLACMetadataBlock_t
));
memset
(
FLACsubFramesBuff
,
0
,
sizeof
(
FLACsubFramesBuff_t
));
s_flacSegmTableVec
.
clear
();
s_flacSegmTableVec
.
shrink_to_fit
();
m_status
=
DECODE_FRAME
;
return
;
}
...
...
@@ -75,7 +79,25 @@ void FLACDecoder_FreeBuffers(){
if
(
FLACMetadataBlock
)
{
free
(
FLACMetadataBlock
);
FLACMetadataBlock
=
NULL
;}
if
(
FLACsubFramesBuff
)
{
free
(
FLACsubFramesBuff
);
FLACsubFramesBuff
=
NULL
;}
if
(
m_streamTitle
)
{
free
(
m_streamTitle
);
m_streamTitle
=
NULL
;}
if
(
s_flacSegmentTable
)
{
free
(
s_flacSegmentTable
);
s_flacSegmentTable
=
NULL
;}
}
//----------------------------------------------------------------------------------------------------------------------
void
FLACDecoder_setDefaults
(){
s_flacSegmTableVec
.
clear
();
s_flacSegmTableVec
.
shrink_to_fit
();
s_f_firstCall
=
true
;
s_f_oggWrapper
=
false
;
// s_flacSegmentLength = 0;
// s_f_oggFlacFirstPage = false;
// s_f_oggFlacContinuedPage = false;
// s_f_oggFlacLastPage = false;
// s_oggFlacHeaderSize = 0;
s_flacPageNr
=
0
;
// s_flacCommentHeaderLength = 0;
// s_flacCommentLength = 0;
// s_flacBlockPicLen = 0;
// s_flacBlockPicPos = 0;
// s_flacCurrentFilePos = 0;
// s_flacBlockPicLenUntilFrameEnd = 0;
}
//----------------------------------------------------------------------------------------------------------------------
// B I T R E A D E R
...
...
@@ -211,82 +233,116 @@ int FLACparseOGG(uint8_t *inbuf, int *bytesLeft){ // reference https://www.xiph
// read the segment table (contains pageSegments bytes), 1...251: Length of the frame in bytes,
// 255: A second byte is needed. The total length is first_byte + second byte
int16_t
segmentTableWrPtr
=
0
;
s_flacSegmTableVec
.
clear
();
s_flacSegmTableVec
.
shrink_to_fit
();
for
(
int
i
=
0
;
i
<
pageSegments
;
i
++
){
int
n
=
*
(
inbuf
+
27
+
i
);
while
(
*
(
inbuf
+
27
+
i
)
==
255
){
i
++
;
if
(
i
==
pageSegments
)
break
;
n
+=
*
(
inbuf
+
27
+
i
);
}
s_flacSegmentTable
[
segmentTableWrPtr
]
=
n
;
segmentTableWrPtr
++
;
// s_flacSegmentLength += n;
s_flacSegmTableVec
.
insert
(
s_flacSegmTableVec
.
begin
(),
n
);
}
m_page0_len
=
s_flacSegmentTable
[
0
];
// for(int i = 0; i<pageSegments; i++){
// log_i("%i %i", i, s_flacSegmentTable[i]);
// }
for
(
int
i
=
0
;
i
<
s_flacSegmTableVec
.
size
();
i
++
){;}
//log_i("%i", s_flacSegmTableVec[i]);}
bool
continuedPage
=
headerType
&
0x01
;
// set: page contains data of a packet continued from the previous page
bool
firstPage
=
headerType
&
0x02
;
// set: this is the first page of a logical bitstream (bos)
bool
lastPage
=
headerType
&
0x04
;
// set: this is the last page of a logical bitstream (eos)
static
uint8_t
secondPage
=
0
;
(
void
)
continuedPage
;
(
void
)
lastPage
;
if
(
firstPage
)
secondPage
=
3
;
if
(
secondPage
)
secondPage
--
;
if
(
firstPage
)
s_flacPageNr
=
0
;
uint16_t
headerSize
=
0
;
uint8_t
aLen
=
0
,
tLen
=
0
;
uint8_t
*
aPos
=
NULL
,
*
tPos
=
NULL
;
if
(
firstPage
||
secondPage
==
1
){
// log_i("s_flacSegmentTable[0] %i", s_flacSegmentTable[0]);
headerSize
=
pageSegments
+
s_flacSegmentTable
[
0
]
+
27
;
idx
=
FLAC_specialIndexOf
(
inbuf
+
28
,
"ARTIST"
,
s_flacSegmentTable
[
0
]);
if
(
idx
>
0
){
aPos
=
inbuf
+
28
+
idx
+
7
;
aLen
=
*
(
inbuf
+
28
+
idx
-
4
)
-
7
;
}
idx
=
FLAC_specialIndexOf
(
inbuf
+
28
,
"TITLE"
,
s_flacSegmentTable
[
0
]);
if
(
idx
>
0
){
tPos
=
inbuf
+
28
+
idx
+
6
;
tLen
=
*
(
inbuf
+
28
+
idx
-
4
)
-
6
;
}
int
pos
=
0
;
if
(
aLen
)
{
memcpy
(
m_streamTitle
,
aPos
,
aLen
);
m_streamTitle
[
aLen
]
=
'\0'
;
pos
=
aLen
;}
if
(
aLen
&&
tLen
)
{
strcat
(
m_streamTitle
,
" - "
);
pos
+=
3
;}
if
(
tLen
)
{
memcpy
(
m_streamTitle
+
pos
,
tPos
,
tLen
);
m_streamTitle
[
pos
+
tLen
]
=
'\0'
;}
if
(
tLen
||
aLen
)
s_f_newSt
=
true
;
}
else
{
//
uint8_t aLen = 0, tLen = 0;
//
uint8_t *aPos = NULL, *tPos = NULL;
//
if(firstPage || secondPage == 1){
//
// log_i("s_flacSegmentTable[0] %i", s_flacSegmentTable[0]);
// headerSize = pageSegments + s_flacSegmTableVec
[0] +27;
// idx = FLAC_specialIndexOf(inbuf + 28, "ARTIST", s_flacSegmTableVec
[0]);
//
if(idx > 0){
//
aPos = inbuf + 28 + idx + 7;
//
aLen = *(inbuf + 28 +idx -4) - 7;
//
}
// idx = FLAC_specialIndexOf(inbuf + 28, "TITLE", s_flacSegmTableVec
[0]);
//
if(idx > 0){
//
tPos = inbuf + 28 + idx + 6;
//
tLen = *(inbuf + 28 + idx -4) - 6;
//
}
//
int pos = 0;
//
if(aLen) {memcpy(m_streamTitle, aPos, aLen); m_streamTitle[aLen] = '\0'; pos = aLen;}
//
if(aLen && tLen) {strcat(m_streamTitle, " - "); pos += 3;}
//
if(tLen) {memcpy(m_streamTitle + pos, tPos, tLen); m_streamTitle[pos + tLen] = '\0';}
//
if(tLen || aLen) s_f_newSt = true;
//
}
//
else{
headerSize
=
pageSegments
+
27
;
}
//
}
*
bytesLeft
-=
headerSize
;
return
ERR_FLAC_NONE
;
// no error
}
//----------------------------------------------------------------------------------------------------------------------
int8_t
FLACDecode
(
uint8_t
*
inbuf
,
int
*
bytesLeft
,
short
*
outbuf
){
// MAIN LOOP
if
(
s_f_flacParseOgg
==
true
){
int
ret
=
FLACparseOGG
(
inbuf
,
bytesLeft
);
if
(
ret
==
ERR_FLAC_NONE
)
return
FLAC_PARSE_OGG_DONE
;
// ok
else
return
ret
;
// error
}
int
ret
=
0
;
if
((
inbuf
[
0
]
==
'O'
)
&&
(
inbuf
[
1
]
==
'g'
)
&&
(
inbuf
[
2
]
==
'g'
)
&&
(
inbuf
[
3
]
==
'S'
)){
s_f_flacParseOgg
=
true
;
return
FLAC_PARSE_OGG_DONE
;
if
(
s_f_firstCall
){
// determine if ogg or flag
s_f_firstCall
=
false
;
log_e
(
"%s"
,
inbuf
);
if
(
FLAC_specialIndexOf
(
inbuf
,
"OggS"
,
5
)
==
0
){
log_i
(
"Oggs"
);
s_f_oggWrapper
=
true
;
s_f_flacParseOgg
=
true
;
}
// else if(FLAC_specialIndexOf(inbuf, "fLaC", 5) == 0){
// log_i("flac native");
// }
// else{
// log_e("unknown file format!");
// }
}
uint16_t
segmLen
=
0
;
if
(
s_f_oggWrapper
){
if
(
s_f_flacParseOgg
==
true
){
s_f_flacParseOgg
=
false
;
ret
=
FLACparseOGG
(
inbuf
,
bytesLeft
);
if
(
ret
==
ERR_FLAC_NONE
)
return
FLAC_PARSE_OGG_DONE
;
// ok
else
return
ret
;
// error
}
//-------------------------------------------------------
if
(
!
s_flacSegmTableVec
.
size
())
log_e
(
"size is 0"
);
segmLen
=
s_flacSegmTableVec
.
back
();
s_flacSegmTableVec
.
pop_back
();
if
(
!
s_flacSegmTableVec
.
size
())
s_f_flacParseOgg
=
true
;
//-------------------------------------------------------
if
(
s_flacPageNr
==
0
)
;
//FLACSetRawBlockParams(2, 44100/1.5, 16, 1,1);
if
(
s_flacPageNr
<
2
){
s_flacPageNr
++
;
*
bytesLeft
-=
segmLen
;
return
FLAC_PARSE_OGG_DONE
;
}
if
(
s_flacPageNr
==
2
){
int
nbytes
=
segmLen
;
if
(
*
bytesLeft
-
segmLen
<
0
)
{
log_i
(
"underrun"
);
}
while
(
nbytes
!=
0
){
int
nbytes1
=
nbytes
;
ret
=
FLACDecodeNative
(
inbuf
,
&
nbytes
,
outbuf
);
// log_i("inbuf[0] %02X, inbuf[1] %02X, segmLen %i, nbytes1 %i, nbytes %i",inbuf[0], inbuf[1], segmLen, nbytes1, nbytes);
inbuf
+=
nbytes1
-
nbytes
;
if
(
nbytes
<
0
){
log_e
(
"nbytes <0"
);}
}
}
*
bytesLeft
-=
segmLen
;
return
ret
;
}
int
ret
=
FLACDecodeNative
(
inbuf
,
bytesLeft
,
outbuf
);
ret
=
FLACDecodeNative
(
inbuf
,
bytesLeft
,
outbuf
);
return
ret
;
}
//----------------------------------------------------------------------------------------------------------------------
int8_t
FLACDecodeNative
(
uint8_t
*
inbuf
,
int
*
bytesLeft
,
short
*
outbuf
){
int
bl
=
*
bytesLeft
;
int
bl
=
*
bytesLeft
;
static
int
sbl
=
0
;
if
(
m_status
!=
OUT_SAMPLES
){
...
...
@@ -332,8 +388,8 @@ int8_t FLACDecodeNative(uint8_t *inbuf, int *bytesLeft, short *outbuf){
m_bitrate
/=
m_compressionRatio
;
if
(
offset
!=
m_blockSize
)
return
GIVE_NEXT_LOOP
;
offset
=
0
;
if
(
offset
>
m_blockSize
)
{
log_e
(
"offset has a wrong value"
);
}
offset
=
0
;
}
alignToByte
();
...
...
@@ -611,7 +667,7 @@ void restoreLinearPrediction(uint8_t ch, uint8_t shift) {
}
//----------------------------------------------------------------------------------------------------------------------
int
FLAC_specialIndexOf
(
uint8_t
*
base
,
const
char
*
str
,
int
baselen
,
bool
exact
){
int
result
;
// seek for str in buffer or in header up to baselen, not nullterninated
int
result
=
0
;
// seek for str in buffer or in header up to baselen, not nullterninated
if
(
strlen
(
str
)
>
baselen
)
return
-
1
;
// if exact == true seekstr in buffer must have "\0" at the end
for
(
int
i
=
0
;
i
<
baselen
-
strlen
(
str
);
i
++
){
result
=
i
;
...
...
src/flac_decoder/flac_decoder.h
View file @
c14b9db9
...
...
@@ -150,6 +150,7 @@ boolean FLACFindMagicWord(unsigned char* buf, int nBytes);
char
*
FLACgetStreamTitle
();
int
FLACparseOGG
(
uint8_t
*
inbuf
,
int
*
bytesLeft
);
bool
FLACDecoder_AllocateBuffers
(
void
);
void
FLACDecoder_setDefaults
();
void
FLACDecoder_ClearBuffer
();
void
FLACDecoder_FreeBuffers
();
void
FLACSetRawBlockParams
(
uint8_t
Chans
,
uint32_t
SampRate
,
uint8_t
BPS
,
uint32_t
tsis
,
uint32_t
AuDaLength
);
...
...
src/opus_decoder/opus_decoder.cpp
View file @
c14b9db9
...
...
@@ -811,7 +811,7 @@ int OPUSFindSyncWord(unsigned char *buf, int nBytes){
}
//----------------------------------------------------------------------------------------------------------------------
int
OPUS_specialIndexOf
(
uint8_t
*
base
,
const
char
*
str
,
int
baselen
,
bool
exact
){
int
result
;
// seek for str in buffer or in header up to baselen, not nullterninated
int
result
=
-
1
;
// seek for str in buffer or in header up to baselen, not nullterninated
if
(
strlen
(
str
)
>
baselen
)
return
-
1
;
// if exact == true seekstr in buffer must have "\0" at the end
for
(
int
i
=
0
;
i
<
baselen
-
strlen
(
str
);
i
++
){
result
=
i
;
...
...
src/vorbis_decoder/vorbis_decoder.cpp
View file @
c14b9db9
...
...
@@ -1050,7 +1050,7 @@ _eofout:
//----------------------------------------------------------------------------------------------------------------------
int
VORBIS_specialIndexOf
(
uint8_t
*
base
,
const
char
*
str
,
int
baselen
,
bool
exact
){
int
result
=
0
;
// seek for str in buffer or in header up to baselen, not nullterninated
int
result
=
-
1
;
// seek for str in buffer or in header up to baselen, not nullterninated
if
(
strlen
(
str
)
>
baselen
)
return
-
1
;
// if exact == true seekstr in buffer must have "\0" at the end
for
(
int
i
=
0
;
i
<
baselen
-
strlen
(
str
);
i
++
){
result
=
i
;
...
...
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