mirror of https://github.com/procxx/kepka.git
77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
//
|
|
// This file is part of Kepka,
|
|
// an unofficial desktop version of Telegram messaging app,
|
|
// see https://github.com/procxx/kepka
|
|
//
|
|
// Kepka 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/procxx/kepka/blob/master/LICENSE
|
|
// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
|
|
// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
|
|
//
|
|
#pragma once
|
|
|
|
#include "core/utils.h"
|
|
#include "ui/images.h"
|
|
#include <QByteArray>
|
|
|
|
namespace FFMpeg {
|
|
struct AVPacketDataWrap;
|
|
} // namespace FFMpeg
|
|
|
|
class AudioPlayerLoader {
|
|
public:
|
|
AudioPlayerLoader(const FileLocation &file, const QByteArray &data, base::byte_vector &&bytes);
|
|
virtual ~AudioPlayerLoader();
|
|
|
|
virtual bool check(const FileLocation &file, const QByteArray &data);
|
|
|
|
virtual bool open(qint64 &position) = 0;
|
|
virtual qint64 samplesCount() = 0;
|
|
virtual qint32 samplesFrequency() = 0;
|
|
virtual qint32 format() = 0;
|
|
|
|
enum class ReadResult {
|
|
Error,
|
|
NotYet,
|
|
Ok,
|
|
Wait,
|
|
EndOfFile,
|
|
};
|
|
virtual ReadResult readMore(QByteArray &samples, qint64 &samplesCount) = 0;
|
|
virtual void enqueuePackets(QQueue<FFMpeg::AVPacketDataWrap> &packets) {
|
|
Unexpected("enqueuePackets() call on not ChildFFMpegLoader.");
|
|
}
|
|
|
|
void saveDecodedSamples(QByteArray *samples, qint64 *samplesCount);
|
|
void takeSavedDecodedSamples(QByteArray *samples, qint64 *samplesCount);
|
|
bool holdsSavedDecodedSamples() const;
|
|
|
|
protected:
|
|
FileLocation _file;
|
|
bool _access = false;
|
|
QByteArray _data;
|
|
base::byte_vector _bytes;
|
|
|
|
QFile _f;
|
|
int _dataPos = 0;
|
|
|
|
bool openFile();
|
|
|
|
private:
|
|
QByteArray _savedSamples;
|
|
qint64 _savedSamplesCount = 0;
|
|
bool _holdsSavedSamples = false;
|
|
};
|