| 1 | // Copyright (C) 2021 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QFFMPEGCODECCONTEXT_P_H |
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| 5 | #define QFFMPEGCODECCONTEXT_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtFFmpegMediaPluginImpl/private/qffmpeg_p.h> |
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| 19 | #include <QtFFmpegMediaPluginImpl/private/qffmpeghwaccel_p.h> |
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| 20 | #include <QtFFmpegMediaPluginImpl/private/qffmpegtime_p.h> |
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| 21 | |
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| 22 | #include <QtMultimedia/private/qmaybe_p.h> |
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| 23 | #include <QtCore/qshareddata.h> |
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| 24 | |
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| 25 | QT_BEGIN_NAMESPACE |
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| 26 | |
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| 27 | namespace QFFmpeg { |
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| 28 | |
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| 29 | class CodecContext |
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| 30 | { |
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| 31 | struct Data : QSharedData |
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| 32 | { |
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| 33 | Data(AVCodecContextUPtr context, AVStream *avStream, AVFormatContext *formatContext, |
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| 34 | std::unique_ptr<QFFmpeg::HWAccel> hwAccel); |
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| 35 | AVCodecContextUPtr context; |
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| 36 | AVStream *stream = nullptr; |
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| 37 | AVFormatContext *formatContext = nullptr; |
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| 38 | AVRational pixelAspectRatio = { .num: 0, .den: 1 }; |
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| 39 | std::unique_ptr<QFFmpeg::HWAccel> hwAccel; |
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| 40 | }; |
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| 41 | |
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| 42 | public: |
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| 43 | static QMaybe<CodecContext> create(AVStream *stream, AVFormatContext *formatContext); |
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| 44 | |
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| 45 | AVRational pixelAspectRatio(AVFrame *frame) const; |
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| 46 | |
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| 47 | AVCodecContext *context() const { return d->context.get(); } |
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| 48 | AVStream *stream() const { return d->stream; } |
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| 49 | uint streamIndex() const { return d->stream->index; } |
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| 50 | HWAccel *hwAccel() const { return d->hwAccel.get(); } |
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| 51 | TrackDuration toTrackDuration(AVStreamDuration duration) const |
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| 52 | { |
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| 53 | return QFFmpeg::toTrackDuration(streamDuration: duration, avStream: d->stream); |
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| 54 | } |
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| 55 | |
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| 56 | TrackPosition toTrackPosition(AVStreamPosition streamPosition) const |
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| 57 | { |
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| 58 | return QFFmpeg::toTrackPosition(streamPosition, avStream: d->stream, formatContext: d->formatContext); |
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| 59 | } |
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| 60 | |
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| 61 | private: |
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| 62 | enum VideoCodecCreationPolicy { |
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| 63 | Hw, |
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| 64 | Sw, |
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| 65 | }; |
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| 66 | |
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| 67 | static QMaybe<CodecContext> create(AVStream *stream, AVFormatContext *formatContext, |
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| 68 | VideoCodecCreationPolicy videoCodecPolicy); |
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| 69 | CodecContext(Data *data) : d(data) { } |
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| 70 | QExplicitlySharedDataPointer<Data> d; |
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| 71 | }; |
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| 72 | |
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| 73 | } // namespace QFFmpeg |
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| 74 | |
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| 75 | QT_END_NAMESPACE |
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| 76 | |
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| 77 | #endif // QFFMPEGCODECCONTEXT_P_H |
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| 78 | |
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