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Diffstat (limited to 'src/multimedia/video/qvideoframeconversionhelper_p.h')
| -rw-r--r-- | src/multimedia/video/qvideoframeconversionhelper_p.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/multimedia/video/qvideoframeconversionhelper_p.h b/src/multimedia/video/qvideoframeconversionhelper_p.h new file mode 100644 index 000000000..10e9d3ab3 --- /dev/null +++ b/src/multimedia/video/qvideoframeconversionhelper_p.h @@ -0,0 +1,117 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL21$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://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 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QVIDEOFRAMECONVERSIONHELPER_P_H +#define QVIDEOFRAMECONVERSIONHELPER_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <qvideoframe.h> +#include <private/qsimd_p.h> + +typedef void (QT_FASTCALL *VideoFrameConvertFunc)(const QVideoFrame &frame, uchar *output); + +inline quint32 qConvertBGRA32ToARGB32(quint32 bgra) +{ + return (((bgra & 0xFF000000) >> 24) + | ((bgra & 0x00FF0000) >> 8) + | ((bgra & 0x0000FF00) << 8) + | ((bgra & 0x000000FF) << 24)); +} + +inline quint32 qConvertBGR24ToARGB32(const uchar *bgr) +{ + return 0xFF000000 | bgr[0] | bgr[1] << 8 | bgr[2] << 16; +} + +inline quint32 qConvertBGR565ToARGB32(quint16 bgr) +{ + return 0xff000000 + | ((((bgr) >> 8) & 0xf8) | (((bgr) >> 13) & 0x7)) + | ((((bgr) << 5) & 0xfc00) | (((bgr) >> 1) & 0x300)) + | ((((bgr) << 19) & 0xf80000) | (((bgr) << 14) & 0x70000)); +} + +inline quint32 qConvertBGR555ToARGB32(quint16 bgr) +{ + return 0xff000000 + | ((((bgr) >> 7) & 0xf8) | (((bgr) >> 12) & 0x7)) + | ((((bgr) << 6) & 0xf800) | (((bgr) << 1) & 0x700)) + | ((((bgr) << 19) & 0xf80000) | (((bgr) << 11) & 0x70000)); +} + +#define FETCH_INFO_PACKED(frame) \ + const uchar *src = frame.bits(); \ + int stride = frame.bytesPerLine(); \ + int width = frame.width(); \ + int height = frame.height(); + +#define FETCH_INFO_BIPLANAR(frame) \ + const uchar *plane1 = frame.bits(0); \ + const uchar *plane2 = frame.bits(1); \ + int plane1Stride = frame.bytesPerLine(0); \ + int plane2Stride = frame.bytesPerLine(1); \ + int width = frame.width(); \ + int height = frame.height(); + +#define FETCH_INFO_TRIPLANAR(frame) \ + const uchar *plane1 = frame.bits(0); \ + const uchar *plane2 = frame.bits(1); \ + const uchar *plane3 = frame.bits(2); \ + int plane1Stride = frame.bytesPerLine(0); \ + int plane2Stride = frame.bytesPerLine(1); \ + int plane3Stride = frame.bytesPerLine(2); \ + int width = frame.width(); \ + int height = frame.height(); \ + +#define MERGE_LOOPS(width, height, stride, bpp) \ + if (stride == width * bpp) { \ + width *= height; \ + height = 1; \ + stride = 0; \ + } + +#define ALIGN(boundary, ptr, x, length) \ + for (; ((reinterpret_cast<qintptr>(ptr) & (boundary - 1)) != 0) && x < length; ++x) + +#endif // QVIDEOFRAMECONVERSIONHELPER_P_H + |