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++ // Copyright (C) 2021 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #ifndef QFFMPEGCODECCONTEXT_P_H
++ #define QFFMPEGCODECCONTEXT_P_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 <QtFFmpegMediaPluginImpl/private/qffmpeg_p.h>
++ #include <QtFFmpegMediaPluginImpl/private/qffmpeghwaccel_p.h>
++ #include <QtFFmpegMediaPluginImpl/private/qffmpegtime_p.h>
++
++ #include <QtCore/qshareddata.h>
++ #include <QtCore/private/qexpected_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ class QPlaybackOptions;
++
++ namespace QFFmpeg {
++
++ class CodecContext
++ {
++ struct Data : QSharedData
++ {
++ Data(AVCodecContextUPtr context, AVStream *avStream, AVFormatContext *formatContext,
++ std::unique_ptr<QFFmpeg::HWAccel> hwAccel);
++ AVCodecContextUPtr context;
++ AVStream *stream = nullptr;
++ AVFormatContext *formatContext = nullptr;
++ AVRational pixelAspectRatio = { 0, 1 };
++ std::unique_ptr<QFFmpeg::HWAccel> hwAccel;
++ };
++
++ public:
++ static q23::expected<CodecContext, QString> create(AVStream *stream, AVFormatContext *formatContext,
++ const QPlaybackOptions &options);
++
++ AVRational pixelAspectRatio(AVFrame *frame) const;
++
++ AVCodecContext *context() const { return d->context.get(); }
++ AVStream *stream() const { return d->stream; }
++ uint streamIndex() const { return d->stream->index; }
++ HWAccel *hwAccel() const { return d->hwAccel.get(); }
++ TrackDuration toTrackDuration(AVStreamDuration duration) const
++ {
++ return QFFmpeg::toTrackDuration(duration, d->stream);
++ }
++
++ TrackPosition toTrackPosition(AVStreamPosition streamPosition) const
++ {
++ return QFFmpeg::toTrackPosition(streamPosition, d->stream, d->formatContext);
++ }
++
++ private:
++ enum VideoCodecCreationPolicy {
++ Hw,
++ Sw,
++ };
++
++ static q23::expected<CodecContext, QString> create(AVStream *stream, AVFormatContext *formatContext,
++ const QPlaybackOptions &playbackOptions,
++ VideoCodecCreationPolicy videoCodecPolicy);
++ CodecContext(Data *data) : d(data) { }
++ QExplicitlySharedDataPointer<Data> d;
++ };
++
++ } // namespace QFFmpeg
++
++ QT_END_NAMESPACE
++
++ #endif // QFFMPEGCODECCONTEXT_P_H