first commit

2026-02-21 17:11:31 +09:00
commit 18b4338361
4001 changed files with 365464 additions and 0 deletions
--- a/project/fm_viewer/fav/SurfaceInterop.h
+++ b/project/fm_viewer/fav/SurfaceInterop.h
@@ -0,0 +1,78 @@
+/******************************************************************************
+    QtAV:  Multimedia framework based on Qt and FFmpeg
+    Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
+
+*   This file is part of QtAV (from 2014)
+
+    This library 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 2.1 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, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+******************************************************************************/
+
+#ifndef QTAV_SURFACEINTEROP_H
+#define QTAV_SURFACEINTEROP_H
+
+#include <QtCore/QSharedPointer>
+#include "VideoFormat.h"
+
+namespace FAV {
+
+class Q_AV_EXPORT VideoSurfaceInterop
+{
+public:
+    virtual ~VideoSurfaceInterop() {}
+    /*!
+     * \brief map
+     * currently is used to map a frame from hardware decoder to opengl texture, host memory.
+     * \param type currently only support GLTextureSurface and HostMemorySurface for some decoders
+     * \param fmt
+     *   HostMemorySurface: must be a packed rgb format
+     * \param handle address of real handle. handle value can be modified in map() and the caller (VideoShader for example) should manage the changes.
+     *   GLTextureSurface: usually opengl texture. maybe other objects for some decoders in the feature
+     *   HostMemorySurface: a VideoFrame ptr
+     * \param plane
+     * \return Null if not supported or failed. handle if success.
+     */
+    virtual void* map(SurfaceType type, const VideoFormat& fmt, void* handle = 0, int plane = 0) {
+        Q_UNUSED(type);
+        Q_UNUSED(fmt);
+        Q_UNUSED(handle);
+        Q_UNUSED(plane);
+        return 0;
+    }
+    // TODO: SurfaceType. unmap is currenty used by opengl rendering
+    virtual void unmap(void* handle) { Q_UNUSED(handle);}
+    //virtual void unmap(void* handle, SurfaceType type) { Q_UNUSED(handle);} //for SourceSurfaceType
+    /*!
+     * \brief createHandle
+     * It is used by opengl renderer to create a texture when rendering frame from VDA/VideoToolbox decoder
+     * VideoSurfaceInterop does not have the ownership. VideoShader does
+     * \return NULL if not used for opengl rendering. handle if create here
+     */
+    virtual void* createHandle(void* handle, SurfaceType type, const VideoFormat &fmt, int plane, int planeWidth, int planeHeight) {
+        Q_UNUSED(handle);
+        Q_UNUSED(type);
+        Q_UNUSED(fmt);
+        Q_UNUSED(plane);
+        Q_UNUSED(planeWidth);
+        Q_UNUSED(planeHeight);
+        return 0;
+    }
+};
+
+typedef QSharedPointer<VideoSurfaceInterop> VideoSurfaceInteropPtr;
+} //namespace FAV
+
+Q_DECLARE_METATYPE(FAV::VideoSurfaceInteropPtr)
+
+#endif // QTAV_SURFACEINTEROP_H