| 1 | // Copyright (C) 2016 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 QFFMPEGMEDIACAPTURESESSION_H |
| 5 | #define QFFMPEGMEDIACAPTURESESSION_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 <QtMultimedia/private/qplatformmediacapture_p.h> |
| 19 | #include <QtMultimedia/private/qplatformmediaintegration_p.h> |
| 20 | #include "qpointer.h" |
| 21 | #include "qiodevice.h" |
| 22 | |
| 23 | QT_BEGIN_NAMESPACE |
| 24 | |
| 25 | class QFFmpegMediaRecorder; |
| 26 | class QFFmpegImageCapture; |
| 27 | class QVideoFrame; |
| 28 | class QAudioSink; |
| 29 | class QFFmpegAudioInput; |
| 30 | class QAudioBuffer; |
| 31 | class QPlatformVideoSource; |
| 32 | class QPlatformAudioBufferInput; |
| 33 | class QAudioBufferSource; |
| 34 | |
| 35 | class QFFmpegMediaCaptureSession : public QPlatformMediaCaptureSession |
| 36 | { |
| 37 | Q_OBJECT |
| 38 | |
| 39 | public: |
| 40 | using VideoSources = std::vector<QPointer<QPlatformVideoSource>>; |
| 41 | |
| 42 | QFFmpegMediaCaptureSession(); |
| 43 | ~QFFmpegMediaCaptureSession() override; |
| 44 | |
| 45 | QPlatformCamera *camera() override; |
| 46 | void setCamera(QPlatformCamera *camera) override; |
| 47 | |
| 48 | QPlatformSurfaceCapture *screenCapture() override; |
| 49 | void setScreenCapture(QPlatformSurfaceCapture *) override; |
| 50 | |
| 51 | QPlatformSurfaceCapture *windowCapture() override; |
| 52 | void setWindowCapture(QPlatformSurfaceCapture *) override; |
| 53 | |
| 54 | QPlatformVideoFrameInput *videoFrameInput() override; |
| 55 | void setVideoFrameInput(QPlatformVideoFrameInput *) override; |
| 56 | |
| 57 | QPlatformImageCapture *imageCapture() override; |
| 58 | void setImageCapture(QPlatformImageCapture *imageCapture) override; |
| 59 | |
| 60 | QPlatformMediaRecorder *mediaRecorder() override; |
| 61 | void setMediaRecorder(QPlatformMediaRecorder *recorder) override; |
| 62 | |
| 63 | void setAudioInput(QPlatformAudioInput *input) override; |
| 64 | QPlatformAudioInput *audioInput() const; |
| 65 | |
| 66 | void setAudioBufferInput(QPlatformAudioBufferInput *input) override; |
| 67 | |
| 68 | void setVideoPreview(QVideoSink *sink) override; |
| 69 | void setAudioOutput(QPlatformAudioOutput *output) override; |
| 70 | |
| 71 | QPlatformVideoSource *primaryActiveVideoSource(); |
| 72 | |
| 73 | // it might be moved to the base class, but it needs QPlatformAudioInput |
| 74 | // to be QAudioBufferSource, which might not make sense |
| 75 | std::vector<QAudioBufferSource *> activeAudioInputs() const; |
| 76 | |
| 77 | private Q_SLOTS: |
| 78 | void updateAudioSink(); |
| 79 | void updateVolume(); |
| 80 | void updateVideoFrameConnection(); |
| 81 | void updatePrimaryActiveVideoSource(); |
| 82 | |
| 83 | Q_SIGNALS: |
| 84 | void primaryActiveVideoSourceChanged(); |
| 85 | |
| 86 | private: |
| 87 | template<typename VideoSource> |
| 88 | bool setVideoSource(QPointer<VideoSource> &source, VideoSource *newSource); |
| 89 | |
| 90 | QPointer<QPlatformCamera> m_camera; |
| 91 | QPointer<QPlatformSurfaceCapture> m_screenCapture; |
| 92 | QPointer<QPlatformSurfaceCapture> m_windowCapture; |
| 93 | QPointer<QPlatformVideoFrameInput> m_videoFrameInput; |
| 94 | QPointer<QPlatformVideoSource> m_primaryActiveVideoSource; |
| 95 | |
| 96 | QPointer<QFFmpegAudioInput> m_audioInput; |
| 97 | QPointer<QPlatformAudioBufferInput> m_audioBufferInput; |
| 98 | |
| 99 | QFFmpegImageCapture *m_imageCapture = nullptr; |
| 100 | QFFmpegMediaRecorder *m_mediaRecorder = nullptr; |
| 101 | QPlatformAudioOutput *m_audioOutput = nullptr; |
| 102 | QVideoSink *m_videoSink = nullptr; |
| 103 | std::unique_ptr<QAudioSink> m_audioSink; |
| 104 | QPointer<QIODevice> m_audioIODevice; |
| 105 | qsizetype m_audioBufferSize = 0; |
| 106 | |
| 107 | QMetaObject::Connection m_videoFrameConnection; |
| 108 | }; |
| 109 | |
| 110 | QT_END_NAMESPACE |
| 111 | |
| 112 | #endif // QGSTREAMERCAPTURESERVICE_H |
| 113 |