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Diffstat (limited to 'src/multimedia/platform/darwin/audio/avfaudiodecoder_p.h')
-rw-r--r-- | src/multimedia/platform/darwin/audio/avfaudiodecoder_p.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/multimedia/platform/darwin/audio/avfaudiodecoder_p.h b/src/multimedia/platform/darwin/audio/avfaudiodecoder_p.h new file mode 100644 index 000000000..9f302cc39 --- /dev/null +++ b/src/multimedia/platform/darwin/audio/avfaudiodecoder_p.h @@ -0,0 +1,136 @@ +/**************************************************************************** +** +** Copyright (C) 2021 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef AVFAUDIODECODER_H +#define AVFAUDIODECODER_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <QtMultimedia/private/qtmultimediaglobal_p.h> +#include <QObject> +#include <QtCore/qurl.h> + +#include "private/qplatformaudiodecoder_p.h" +#include "qaudiodecoder.h" + +#include <dispatch/dispatch.h> + +Q_FORWARD_DECLARE_OBJC_CLASS(AVURLAsset); +Q_FORWARD_DECLARE_OBJC_CLASS(AVAssetReader); +Q_FORWARD_DECLARE_OBJC_CLASS(AVAssetReaderTrackOutput); +Q_FORWARD_DECLARE_OBJC_CLASS(AVFResourceReaderDelegate); + +QT_BEGIN_NAMESPACE + +class AVFAudioDecoder : public QPlatformAudioDecoder +{ + Q_OBJECT + +public: + AVFAudioDecoder(QAudioDecoder *parent); + virtual ~AVFAudioDecoder(); + + // QAudioDecoder interface + QAudioDecoder::State state() const override { return m_state; } + + QUrl source() const override; + void setSource(const QUrl &fileName) override; + + QIODevice *sourceDevice() const override; + void setSourceDevice(QIODevice *device) override; + + void start() override; + void stop() override; + + QAudioFormat audioFormat() const override; + void setAudioFormat(const QAudioFormat &format) override; + + QAudioBuffer read() override; + bool bufferAvailable() const override; + + qint64 position() const override; + qint64 duration() const override; + +private slots: + void handleNewAudioBuffer(QAudioBuffer); + void startReading(); + +signals: + void newAudioBuffer(QAudioBuffer); + void readyToRead(); + +private: + void processInvalidMedia(QAudioDecoder::Error errorCode, const QString& errorString); + void initAssetReader(); + + QAudioDecoder::State m_state = QAudioDecoder::StoppedState; + QAudioDecoder::State m_pendingState = QAudioDecoder::StoppedState; + + QUrl m_source; + QIODevice *m_device = nullptr; + QAudioFormat m_format; + + int m_buffersAvailable = 0; + QList<QAudioBuffer> m_cachedBuffers; + + qint64 m_position = -1; + qint64 m_duration = -1; + + bool m_loadingSource = false; + + AVURLAsset *m_asset = nullptr; + AVAssetReader *m_reader = nullptr; + AVAssetReaderTrackOutput *m_readerOutput = nullptr; + AVFResourceReaderDelegate *m_readerDelegate = nullptr; + dispatch_queue_t m_readingQueue; + dispatch_queue_t m_decodingQueue; +}; + +QT_END_NAMESPACE + +#endif // AVFAUDIODECODER_H |