qvideoframeconversionhelper_p.h File Reference

#include <qvideoframe.h>
#include <private/qsimd_p.h>

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Classes
struct	ArgbPixel< a, r, g, b >
struct	RgbPixel< r, g, b >
struct	YPixel< Y >

Macros
#define	FETCH_INFO_PACKED(frame)
#define	FETCH_INFO_BIPLANAR(frame)
#define	FETCH_INFO_TRIPLANAR(frame)
#define	MERGE_LOOPS(width, height, stride, bpp)
#define	ALIGN(boundary, ptr, x, length)    for (; ((reinterpret_cast<qintptr>(ptr) & (boundary - 1)) != 0) && x < length; ++x)

Typedefs
using	ARGB8888 = ArgbPixel< 0, 1, 2, 3 >
using	ABGR8888 = ArgbPixel< 0, 3, 2, 1 >
using	RGBA8888 = ArgbPixel< 3, 0, 1, 2 >
using	BGRA8888 = ArgbPixel< 3, 2, 1, 0 >
using	XRGB8888 = RgbPixel< 1, 2, 3 >
using	XBGR8888 = RgbPixel< 3, 2, 1 >
using	RGBX8888 = RgbPixel< 0, 1, 2 >
using	BGRX8888 = RgbPixel< 2, 1, 0 >

Functions
QT_BEGIN_NAMESPACE typedef	void (QT_FASTCALL *VideoFrameConvertFunc)(const QVideoFrame &frame
VideoFrameConvertFunc	qConverterForFormat (QVideoFrameFormat::PixelFormat format)

Variables
QT_BEGIN_NAMESPACE typedef uchar *	output

Macro Definition Documentation

ALIGN

#define ALIGN	(		boundary,
			ptr,
			x,
			length
	)		for (; ((reinterpret_cast<qintptr>(ptr) & (boundary - 1)) != 0) && x < length; ++x)

Definition at line 125 of file qvideoframeconversionhelper_p.h.

FETCH_INFO_BIPLANAR

#define FETCH_INFO_BIPLANAR

(

frame

)

Value:

    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();

Definition at line 100 of file qvideoframeconversionhelper_p.h.

FETCH_INFO_PACKED

#define FETCH_INFO_PACKED

(

frame

)

Value:

    const uchar *src = frame.bits(0); \
    int stride = frame.bytesPerLine(0); \
    int width = frame.width(); \
    int height = frame.height();

Definition at line 94 of file qvideoframeconversionhelper_p.h.

FETCH_INFO_TRIPLANAR

#define FETCH_INFO_TRIPLANAR

(

frame

)

Value:

    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(); \

Definition at line 108 of file qvideoframeconversionhelper_p.h.

MERGE_LOOPS

#define MERGE_LOOPS	(		width,
			height,
			stride,
			bpp
	)

Value:

    if (stride == width * bpp) { \
        width *= height; \
        height = 1; \
        stride = 0; \
    }

Definition at line 118 of file qvideoframeconversionhelper_p.h.

Typedef Documentation

ABGR8888

using ABGR8888 = ArgbPixel<0, 3, 2, 1>

Definition at line 86 of file qvideoframeconversionhelper_p.h.

ARGB8888

using ARGB8888 = ArgbPixel<0, 1, 2, 3>

Definition at line 85 of file qvideoframeconversionhelper_p.h.

BGRA8888

using BGRA8888 = ArgbPixel<3, 2, 1, 0>

Definition at line 88 of file qvideoframeconversionhelper_p.h.

BGRX8888

using BGRX8888 = RgbPixel<2, 1, 0>

Definition at line 92 of file qvideoframeconversionhelper_p.h.

RGBA8888

using RGBA8888 = ArgbPixel<3, 0, 1, 2>

Definition at line 87 of file qvideoframeconversionhelper_p.h.

RGBX8888

using RGBX8888 = RgbPixel<0, 1, 2>

Definition at line 91 of file qvideoframeconversionhelper_p.h.

XBGR8888

using XBGR8888 = RgbPixel<3, 2, 1>

Definition at line 90 of file qvideoframeconversionhelper_p.h.

XRGB8888

using XRGB8888 = RgbPixel<1, 2, 3>

Definition at line 89 of file qvideoframeconversionhelper_p.h.

Function Documentation

qConverterForFormat()

VideoFrameConvertFunc qConverterForFormat

(

QVideoFrameFormat::PixelFormat

format

)

Definition at line 555 of file qvideoframeconversionhelper.cpp.

References convert(), qConvertFuncs, and qInitConvertFuncsAsm().

Referenced by convertCPU().

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void()

QT_BEGIN_NAMESPACE typedef void

(

QT_FASTCALL *

VideoFrameConvertFunc

)

const &

Variable Documentation

output

QT_BEGIN_NAMESPACE typedef uchar* output

Definition at line 24 of file qvideoframeconversionhelper_p.h.

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