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| |
| #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 |
| |