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