/* * Copyright © 2018-2020 Red Hat, Inc * Copyright © 2020 Aleix Pol Gonzalez * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see . * * Authors: * Jan Grulich * Aleix Pol Gonzalez */ #pragma once #include "config-kwin.h" #include "kwinglobals.h" #include #include #include #include #include #include #include #include #include namespace KWin { class Cursor; class DmaBufTexture; class GLTexture; class PipeWireCore; class KWIN_EXPORT PipeWireStream : public QObject { Q_OBJECT public: explicit PipeWireStream(bool hasAlpha, const QSize &resolution, QObject *parent); ~PipeWireStream(); bool init(); uint framerate(); uint nodeId(); QString error() const { return m_error; } void stop(); /** Renders @p frame into the current framebuffer into the stream */ void recordFrame(GLTexture *frame, const QRegion &damagedRegion); void setCursorMode(KWaylandServer::ScreencastInterface::CursorMode mode, qreal scale, const QRect &viewport); Q_SIGNALS: void streamReady(quint32 nodeId); void startStreaming(); void stopStreaming(); private: static void onStreamParamChanged(void *data, uint32_t id, const struct spa_pod *format); static void onStreamStateChanged(void *data, pw_stream_state old, pw_stream_state state, const char *error_message); static void onStreamAddBuffer(void *data, pw_buffer *buffer); static void onStreamRemoveBuffer(void *data, pw_buffer *buffer); bool createStream(); void updateParams(); void coreFailed(const QString &errorMessage); void sendCursorData(Cursor *cursor, spa_meta_cursor *spa_cursor); void newStreamParams(); QSharedPointer pwCore; struct pw_stream *pwStream = nullptr; spa_hook streamListener; pw_stream_events pwStreamEvents = {}; uint32_t pwNodeId = 0; QSize m_resolution; bool m_stopped = false; spa_video_info_raw videoFormat; QString m_error; const bool m_hasAlpha; struct { KWaylandServer::ScreencastInterface::CursorMode mode = KWaylandServer::ScreencastInterface::Hidden; qreal scale = 1; QRect viewport; qint64 lastKey = 0; QRect lastRect; QScopedPointer texture; QScopedPointer lastFrameTexture; } m_cursor; bool m_repainting = false; QRect cursorGeometry(Cursor *cursor) const; QHash> m_dmabufDataForPwBuffer; }; } // namespace KWin