mirror of
https://github.com/sle118/squeezelite-esp32.git
synced 2025-12-10 05:27:01 +03:00
56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
#pragma once
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "BellLogger.h"
|
|
#include "ByteStream.h"
|
|
#include "DecoderGlobals.h"
|
|
#include "aacdec.h"
|
|
#include "mp3dec.h"
|
|
|
|
namespace bell {
|
|
class EncodedAudioStream {
|
|
public:
|
|
EncodedAudioStream();
|
|
~EncodedAudioStream();
|
|
|
|
// Codecs supported by this stream class
|
|
enum class AudioCodec { AAC, MP3, OGG, NONE };
|
|
|
|
void openWithStream(std::unique_ptr<bell::ByteStream> byteStream);
|
|
size_t decodeFrame(uint8_t* dst);
|
|
bool isReadable();
|
|
|
|
private:
|
|
std::shared_ptr<ByteStream> innerStream;
|
|
std::vector<uint8_t> inputBuffer;
|
|
std::vector<short> outputBuffer;
|
|
std::string TAG = "EncryptedAudioStream";
|
|
|
|
uint8_t* decodePtr = 0;
|
|
int bytesInBuffer = 0;
|
|
size_t offset = 0;
|
|
|
|
size_t decodedSampleRate = 44100;
|
|
|
|
AudioCodec codec = AudioCodec::NONE;
|
|
|
|
void guessDataFormat();
|
|
|
|
void readFully(uint8_t* dst, size_t nbytes);
|
|
bool vectorStartsWith(std::vector<uint8_t>&, std::vector<uint8_t>&);
|
|
|
|
std::vector<uint8_t> aacMagicBytes = {0xFF, 0xF1};
|
|
std::vector<uint8_t> aacMagicBytes4 = {0xFF, 0xF9};
|
|
std::vector<uint8_t> mp3MagicBytesUntagged = {0xFF, 0xFB};
|
|
std::vector<uint8_t> mp3MagicBytesIdc = {0x49, 0x44, 0x33};
|
|
|
|
AACFrameInfo aacFrameInfo;
|
|
MP3FrameInfo mp3FrameInfo;
|
|
|
|
size_t decodeFrameMp3(uint8_t* dst);
|
|
size_t decodeFrameAAC(uint8_t* dst);
|
|
};
|
|
} // namespace bell
|