Files
squeezelite-esp32/components/spotify/cspot/include/TrackPlayer.h
2023-04-19 00:43:06 +02:00

86 lines
2.4 KiB
C++

#pragma once
#include <atomic> // for atomic
#include <cstdint> // for uint8_t, int64_t
#include <ctime> // for size_t, time
#include <functional> // for function
#include <memory> // for shared_ptr, unique_ptr
#include <mutex> // for mutex
#include <string_view> // for string_view
#include <vector> // for vector
#include "BellTask.h" // for Task
#include "CDNTrackStream.h" // for CDNTrackStream, CDNTrackStream::TrackInfo
namespace bell {
class WrappedSemaphore;
} // namespace bell
#ifdef BELL_VORBIS_FLOAT
#include "vorbis/vorbisfile.h"
#else
#include "ivorbisfile.h" // for OggVorbis_File, ov_callbacks
#endif
namespace cspot {
class TrackProvider;
struct Context;
struct TrackReference;
class TrackPlayer : bell::Task {
public:
typedef std::function<void()> TrackLoadedCallback;
typedef std::function<size_t(uint8_t*, size_t, std::string_view, size_t)> DataCallback;
typedef std::function<void()> EOFCallback;
typedef std::function<bool()> isAiringCallback;
TrackPlayer(std::shared_ptr<cspot::Context> ctx, isAiringCallback, EOFCallback, TrackLoadedCallback);
~TrackPlayer();
void loadTrackFromRef(TrackReference& ref, size_t playbackMs, bool startAutomatically);
void setDataCallback(DataCallback callback);
CDNTrackStream::TrackInfo getCurrentTrackInfo();
void seekMs(size_t ms);
void stopTrack();
// Vorbis codec callbacks
size_t _vorbisRead(void* ptr, size_t size, size_t nmemb);
size_t _vorbisClose();
int _vorbisSeek(int64_t offset, int whence);
long _vorbisTell();
void destroy();
private:
std::shared_ptr<cspot::Context> ctx;
std::shared_ptr<cspot::TrackProvider> trackProvider;
std::shared_ptr<cspot::CDNTrackStream> currentTrackStream;
size_t sequence = std::time(nullptr);
std::unique_ptr<bell::WrappedSemaphore> playbackSemaphore;
TrackLoadedCallback trackLoaded;
DataCallback dataCallback = nullptr;
EOFCallback eofCallback;
isAiringCallback isAiring;
// Playback control
std::atomic<bool> currentSongPlaying;
std::mutex playbackMutex;
std::mutex seekMutex;
// Vorbis related
OggVorbis_File vorbisFile;
ov_callbacks vorbisCallbacks;
int currentSection;
std::vector<uint8_t> pcmBuffer = std::vector<uint8_t>(1024);
size_t playbackPosition = 0;
bool autoStart = false;
std::atomic<bool> isRunning = true;
std::mutex runningMutex;
void runTask() override;
};
} // namespace cspot