qvideoframeconversionhelper_p.h File Reference

(540c6fab72b6c56fafa5b4263bc6e913580c99cd)

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

Typedefs
typedef void(QT_FASTCALL *	PixelsCopyFunc) (uint32_t *dst, const uint32_t *src, size_t size, uint32_t mask)
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)
void Q_MULTIMEDIA_EXPORT	qCopyPixelsWithAlphaMask (uint32_t *dst, const uint32_t *src, size_t size, QVideoFrameFormat::PixelFormat format, bool srcAlphaVaries)
void Q_MULTIMEDIA_EXPORT	qCopyPixelsWithMask (uint32_t *dst, const uint32_t *src, size_t size, uint32_t mask)
uint32_t Q_MULTIMEDIA_EXPORT	qAlphaMask (QVideoFrameFormat::PixelFormat format)

Variables
QT_BEGIN_NAMESPACE typedef uchar *	output

Macro Definition Documentation

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 111 of file qvideoframeconversionhelper_p.h.

Referenced by qt_convert_IMC2_to_ARGB32(), qt_convert_IMC4_to_ARGB32(), qt_convert_NV12_to_ARGB32(), qt_convert_NV21_to_ARGB32(), and qt_convert_P016_to_ARGB32().

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 105 of file qvideoframeconversionhelper_p.h.

Referenced by qt_convert_AYUV_Premultiplied_to_ARGB32(), qt_convert_AYUV_to_ARGB32(), qt_convert_premultiplied_to_ARGB32(), qt_convert_to_ARGB32(), qt_convert_UYVY_to_ARGB32(), qt_convert_Y_to_ARGB32(), and qt_convert_YUYV_to_ARGB32().

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 119 of file qvideoframeconversionhelper_p.h.

Referenced by qt_convert_IMC1_to_ARGB32(), qt_convert_IMC3_to_ARGB32(), qt_convert_YUV420P_to_ARGB32(), qt_convert_YUV422P_to_ARGB32(), and qt_convert_YV12_to_ARGB32().

MERGE_LOOPS

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

Value:

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

Definition at line 129 of file qvideoframeconversionhelper_p.h.

Referenced by qt_convert_AYUV_Premultiplied_to_ARGB32(), qt_convert_AYUV_to_ARGB32(), qt_convert_premultiplied_to_ARGB32(), qt_convert_to_ARGB32(), qt_convert_UYVY_to_ARGB32(), qt_convert_Y_to_ARGB32(), and qt_convert_YUYV_to_ARGB32().

QT_MEDIA_ALIGN

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

Definition at line 136 of file qvideoframeconversionhelper_p.h.

Typedef Documentation

ABGR8888

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

Definition at line 97 of file qvideoframeconversionhelper_p.h.

ARGB8888

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

Definition at line 96 of file qvideoframeconversionhelper_p.h.

BGRA8888

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

Definition at line 99 of file qvideoframeconversionhelper_p.h.

BGRX8888

using BGRX8888 = RgbPixel<2, 1, 0>

Definition at line 103 of file qvideoframeconversionhelper_p.h.

PixelsCopyFunc

typedef void(QT_FASTCALL * PixelsCopyFunc) (uint32_t *dst, const uint32_t *src, size_t size, uint32_t mask)

Definition at line 25 of file qvideoframeconversionhelper_p.h.

RGBA8888

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

Definition at line 98 of file qvideoframeconversionhelper_p.h.

RGBX8888

using RGBX8888 = RgbPixel<0, 1, 2>

Definition at line 102 of file qvideoframeconversionhelper_p.h.

XBGR8888

using XBGR8888 = RgbPixel<3, 2, 1>

Definition at line 101 of file qvideoframeconversionhelper_p.h.

XRGB8888

using XRGB8888 = RgbPixel<1, 2, 3>

Definition at line 100 of file qvideoframeconversionhelper_p.h.

Function Documentation

qAlphaMask()

uint32_t Q_MULTIMEDIA_EXPORT qAlphaMask

(

QVideoFrameFormat::PixelFormat

format

)

Definition at line 606 of file qvideoframeconversionhelper.cpp.

References QVideoFrameFormat::Format_ABGR8888, QVideoFrameFormat::Format_ARGB8888, QVideoFrameFormat::Format_ARGB8888_Premultiplied, QVideoFrameFormat::Format_BGRA8888, QVideoFrameFormat::Format_BGRA8888_Premultiplied, QVideoFrameFormat::Format_BGRX8888, QVideoFrameFormat::Format_RGBA8888, QVideoFrameFormat::Format_RGBX8888, QVideoFrameFormat::Format_XBGR8888, and QVideoFrameFormat::Format_XRGB8888.

Referenced by qCopyPixelsWithAlphaMask().

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qConverterForFormat()

VideoFrameConvertFunc qConverterForFormat

(

QVideoFrameFormat::PixelFormat

format

)

Definition at line 574 of file qvideoframeconversionhelper.cpp.

References convert(), InitFuncsAsmFlag, qConvertFuncs, and qInitFuncsAsm().

Referenced by convertCPU().

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qCopyPixelsWithAlphaMask()

void Q_MULTIMEDIA_EXPORT qCopyPixelsWithAlphaMask	(	uint32_t *	dst,
		const uint32_t *	src,
		size_t	size,
		QVideoFrameFormat::PixelFormat	format,
		bool	srcAlphaVaries )

Definition at line 582 of file qvideoframeconversionhelper.cpp.

References qAlphaMask(), and qCopyPixelsWithMask().

Referenced by QX11SurfaceCapture::Grabber::grabFrame().

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qCopyPixelsWithMask()

void Q_MULTIMEDIA_EXPORT qCopyPixelsWithMask	(	uint32_t *	dst,
		const uint32_t *	src,
		size_t	size,
		uint32_t	mask )

Definition at line 599 of file qvideoframeconversionhelper.cpp.

References InitFuncsAsmFlag, qInitFuncsAsm(), and qPixelsCopyFunc.

Referenced by qCopyPixelsWithAlphaMask().

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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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