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Diffstat (limited to 'src/multimedia/video/qvideotexturehelper_p.h')
-rw-r--r-- | src/multimedia/video/qvideotexturehelper_p.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/multimedia/video/qvideotexturehelper_p.h b/src/multimedia/video/qvideotexturehelper_p.h new file mode 100644 index 000000000..4b369594a --- /dev/null +++ b/src/multimedia/video/qvideotexturehelper_p.h @@ -0,0 +1,78 @@ +/**************************************************************************** +** +** Copyright (C) 2021 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QVIDEOTEXTUREHELPER_H +#define QVIDEOTEXTUREHELPER_H + +#include <qvideosurfaceformat.h> +#include <private/qrhi_p.h> + +QT_BEGIN_NAMESPACE + +class QVideoFrame; + +namespace QVideoTextureHelper +{ + +struct TextureDescription +{ + static constexpr int maxPlanes = 3; + struct SizeScale { + int x; + int y; + }; + + int nplanes; + QRhiTexture::Format textureFormat[maxPlanes]; + SizeScale sizeScale[maxPlanes]; +}; + +Q_MULTIMEDIA_EXPORT const TextureDescription *textureDescription(QVideoSurfaceFormat::PixelFormat format); + +Q_MULTIMEDIA_EXPORT QString vertexShaderFileName(QVideoSurfaceFormat::PixelFormat format); +Q_MULTIMEDIA_EXPORT QString fragmentShaderFileName(QVideoSurfaceFormat::PixelFormat format); +Q_MULTIMEDIA_EXPORT QByteArray uniformData(const QVideoSurfaceFormat &format, const QMatrix4x4 &transform, float opacity); +Q_MULTIMEDIA_EXPORT int updateRhiTextures(QVideoFrame frame, QRhi *rhi, + QRhiResourceUpdateBatch *resourceUpdates, QRhiTexture **textures); + +} + +QT_END_NAMESPACE + +#endif |