tdesktop/Telegram/SourceFiles/media/audio/media_audio_loaders.h

82 lines
2.0 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#pragma once
#include "media/audio/media_audio.h"
#include "media/audio/media_child_ffmpeg_loader.h"
class AudioPlayerLoader;
class ChildFFMpegLoader;
namespace Media {
namespace Player {
class Loaders : public QObject {
Q_OBJECT
public:
Loaders(QThread *thread);
void feedFromExternal(ExternalSoundPart &&part);
void forceToBufferExternal(const AudioMsgId &audioId);
~Loaders();
Q_SIGNALS:
void error(const AudioMsgId &audio);
void needToCheck();
public Q_SLOTS:
void onInit();
void onStart(const AudioMsgId &audio, qint64 positionMs);
void onLoad(const AudioMsgId &audio);
void onCancel(const AudioMsgId &audio);
private:
struct SetupLoaderResult {
AudioPlayerLoader *loader = nullptr;
float64 oldSpeed = 0.;
float64 newSpeed = 0.;
int64 fadeStartPosition = 0;
int64 position = 0;
int64 normalLength = 0;
int frequency = 0;
bool errorAtStart = false;
bool justStarted = false;
};
void videoSoundAdded();
[[nodiscard]] Mixer::Track::WithSpeed rebufferOnSpeedChange(
const SetupLoaderResult &setup);
void emitError(AudioMsgId::Type type);
AudioMsgId clear(AudioMsgId::Type type);
void setStoppedState(Mixer::Track *m, State state = State::Stopped);
void loadData(AudioMsgId audio, crl::time positionMs = 0);
[[nodiscard]] SetupLoaderResult setupLoader(
const AudioMsgId &audio,
crl::time positionMs);
Mixer::Track *checkLoader(AudioMsgId::Type type);
AudioMsgId _audio, _song, _video;
std::unique_ptr<AudioPlayerLoader> _audioLoader;
std::unique_ptr<AudioPlayerLoader> _songLoader;
std::unique_ptr<AudioPlayerLoader> _videoLoader;
QMutex _fromExternalMutex;
base::flat_map<
AudioMsgId,
std::deque<FFmpeg::Packet>> _fromExternalQueues;
base::flat_set<AudioMsgId> _fromExternalForceToBuffer;
SingleQueuedInvokation _fromExternalNotify;
};
} // namespace Player
} // namespace Media