Files
squeezelite-esp32/components/spotify/cspot/include/ChunkedAudioStream.h
2022-03-04 20:06:19 -08:00

66 lines
1.6 KiB
C++

#ifndef CHUNKEDAUDIOSTREAM_H
#define CHUNKEDAUDIOSTREAM_H
#include <iostream>
#include <vector>
#include <fstream>
#include <array>
#include <unistd.h>
#include <atomic>
#include "ivorbisfile.h"
#include "MercuryManager.h"
#include "AudioSink.h"
#include "AudioChunk.h"
#include "platform/WrappedMutex.h"
#include "ChunkedByteStream.h"
#define SPOTIFY_HEADER_SIZE 167
#define BUFFER_SIZE 0x20000 * 1.5
typedef std::function<void(uint8_t *, size_t)> pcmDataCallback;
enum class Whence
{
START,
CURRENT,
END
};
class ChunkedAudioStream
{
private:
// Vorbis related
OggVorbis_File vorbisFile;
ov_callbacks vorbisCallbacks;
int currentSection;
// Audio data
uint32_t duration;
bool loadingChunks = false;
uint16_t lastSequenceId = 0;
std::shared_ptr<MercuryManager> manager;
std::vector<uint8_t> fileId;
uint32_t startPositionMs;
public:
ChunkedAudioStream(std::vector<uint8_t> fileId, std::vector<uint8_t> audioKey, uint32_t duration, std::shared_ptr<MercuryManager> manager, uint32_t startPositionMs, bool isPaused);
~ChunkedAudioStream();
std::shared_ptr<ChunkedByteStream> byteStream;
std::function<void()> streamFinishedCallback;
std::atomic<bool> isPaused = false;
std::atomic<bool> isRunning = false;
std::atomic<bool> finished = false;
pcmDataCallback pcmCallback;
std::shared_ptr<AudioSink> audioSink;
WrappedMutex seekMutex;
std::vector<uint8_t> read(size_t bytes);
void seekMs(uint32_t positionMs);
void seek(size_t pos, Whence whence);
void startPlaybackLoop(uint8_t *pcmOut, size_t pcmOut_len);
};
#endif