File indexing completed on 2024-05-05 09:46:38
0001 /* 0002 SPDX-FileCopyrightText: 2018-2020 Red Hat Inc 0003 SPDX-FileCopyrightText: 2020-2021 Aleix Pol Gonzalez <aleixpol@kde.org> 0004 SPDX-FileContributor: Jan Grulich <jgrulich@redhat.com> 0005 0006 SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL 0007 */ 0008 0009 #pragma once 0010 0011 #include <QHash> 0012 #include <QImage> 0013 #include <QObject> 0014 #include <QPoint> 0015 #include <QSharedPointer> 0016 #include <QSize> 0017 #include <optional> 0018 0019 #include <pipewire/pipewire.h> 0020 #include <spa/param/format-utils.h> 0021 #include <spa/param/props.h> 0022 #include <spa/param/video/format-utils.h> 0023 0024 #include <kpipewire_export.h> 0025 0026 #undef Status 0027 0028 class PipeWireCore; 0029 struct gbm_device; 0030 0031 typedef void *EGLDisplay; 0032 0033 struct DmaBufPlane { 0034 int fd; ///< The dmabuf file descriptor 0035 uint32_t offset; ///< The offset from the start of buffer 0036 uint32_t stride; ///< The distance from the start of a row to the next row in bytes 0037 }; 0038 0039 struct DmaBufAttributes { 0040 int width = 0; 0041 int height = 0; 0042 uint32_t format = 0; 0043 uint64_t modifier = 0; ///< The layout modifier 0044 0045 QList<DmaBufPlane> planes; 0046 }; 0047 0048 struct PipeWireCursor { 0049 QPoint position; 0050 QPoint hotspot; 0051 QImage texture; 0052 bool operator!=(const PipeWireCursor &other) const 0053 { 0054 return !operator==(other); 0055 }; 0056 bool operator==(const PipeWireCursor &other) const 0057 { 0058 return position == other.position && hotspot == other.hotspot && texture == other.texture; 0059 } 0060 }; 0061 Q_DECLARE_METATYPE(PipeWireCursor); 0062 0063 struct KPIPEWIRE_EXPORT PipeWireFrame { 0064 spa_video_format format; 0065 std::optional<int> sequential; 0066 std::optional<std::chrono::nanoseconds> presentationTimestamp; 0067 std::optional<DmaBufAttributes> dmabuf; 0068 std::optional<QImage> image; 0069 std::optional<QRegion> damage; 0070 std::optional<PipeWireCursor> cursor; 0071 }; 0072 0073 struct Fraction { 0074 bool operator==(const Fraction &other) const 0075 { 0076 return numerator == other.numerator && denominator == other.denominator; 0077 } 0078 explicit operator bool() const 0079 { 0080 return isValid(); 0081 } 0082 bool isValid() const 0083 { 0084 return denominator > 0; 0085 } 0086 quint32 numerator = 0; 0087 quint32 denominator = 0; 0088 }; 0089 0090 KPIPEWIRE_EXPORT QImage::Format SpaToQImageFormat(quint32 /*spa_video_format*/ format); 0091 0092 struct PipeWireSourceStreamPrivate; 0093 0094 class KPIPEWIRE_EXPORT PipeWireSourceStream : public QObject 0095 { 0096 Q_OBJECT 0097 public: 0098 explicit PipeWireSourceStream(QObject *parent = nullptr); 0099 ~PipeWireSourceStream(); 0100 0101 Fraction framerate() const; 0102 void setMaxFramerate(const Fraction &framerate); 0103 uint nodeId(); 0104 QString error() const; 0105 0106 QSize size() const; 0107 pw_stream_state state() const; 0108 bool createStream(uint nodeid, int fd); 0109 void setActive(bool active); 0110 void setDamageEnabled(bool withDamage); 0111 0112 void handleFrame(struct pw_buffer *buffer); 0113 void process(); 0114 void renegotiateModifierFailed(spa_video_format format, quint64 modifier); 0115 0116 std::optional<std::chrono::nanoseconds> currentPresentationTimestamp() const; 0117 0118 static uint32_t spaVideoFormatToDrmFormat(spa_video_format spa_format); 0119 0120 bool usingDmaBuf() const; 0121 bool allowDmaBuf() const; 0122 void setAllowDmaBuf(bool allowed); 0123 0124 Q_SIGNALS: 0125 void streamReady(); 0126 void startStreaming(); 0127 void stopStreaming(); 0128 void streamParametersChanged(); 0129 void frameReceived(const PipeWireFrame &frame); 0130 void stateChanged(pw_stream_state state, pw_stream_state oldState); 0131 0132 private: 0133 static void onStreamParamChanged(void *data, uint32_t id, const struct spa_pod *format); 0134 static void onStreamStateChanged(void *data, pw_stream_state old, pw_stream_state state, const char *error_message); 0135 static void onRenegotiate(void *data, uint64_t); 0136 QList<const spa_pod *> createFormatsParams(spa_pod_builder podBuilder); 0137 0138 void coreFailed(const QString &errorMessage); 0139 QScopedPointer<PipeWireSourceStreamPrivate> d; 0140 }; 0141 0142 Q_DECLARE_METATYPE(QList<DmaBufPlane>);