tdesktop/Telegram/SourceFiles/media/media_audio_loaders.h

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/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "media/media_child_ffmpeg_loader.h"
#include "media/media_audio.h"
#include "media/media_child_ffmpeg_loader.h"
class AudioPlayerLoader;
class ChildFFMpegLoader;
class AudioPlayerLoaders : public QObject {
Q_OBJECT
public:
AudioPlayerLoaders(QThread *thread);
void startFromVideo(uint64 videoPlayId);
void stopFromVideo();
void feedFromVideo(VideoSoundPart &&part);
~AudioPlayerLoaders();
signals:
void error(const AudioMsgId &audio);
void needToCheck();
public slots:
void onInit();
void onStart(const AudioMsgId &audio, qint64 position);
void onLoad(const AudioMsgId &audio);
void onCancel(const AudioMsgId &audio);
void onVideoSoundAdded();
private:
void clearFromVideoQueue();
AudioMsgId _audio, _song, _video;
std_::unique_ptr<AudioPlayerLoader> _audioLoader;
std_::unique_ptr<AudioPlayerLoader> _songLoader;
std_::unique_ptr<ChildFFMpegLoader> _videoLoader;
QMutex _fromVideoMutex;
uint64 _fromVideoPlayId;
QQueue<FFMpeg::AVPacketDataWrap> _fromVideoQueue;
SingleDelayedCall _fromVideoNotify;
void emitError(AudioMsgId::Type type);
AudioMsgId clear(AudioMsgId::Type type);
void setStoppedState(AudioPlayer::AudioMsg *m, AudioPlayerState state = AudioPlayerStopped);
enum SetupError {
SetupErrorAtStart = 0,
SetupErrorNotPlaying = 1,
SetupErrorLoadedFull = 2,
SetupNoErrorStarted = 3,
};
void loadData(AudioMsgId audio, qint64 position);
AudioPlayerLoader *setupLoader(const AudioMsgId &audio, SetupError &err, qint64 &position);
AudioPlayer::AudioMsg *checkLoader(AudioMsgId::Type type);
};