dx_2d.c File Reference

#include "dx_hw.h"

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Macros
#define	DDCONTEXT   DDContext *dd = (DDContext *)dr->opaque;
#define	DDBACK   DDSurface *pBack = (DDSurface *) gf_list_get(dd->surfaces, 0);
#define	GF_COL_TO_565(c)
#define	GF_COL_TO_555(c)
#define	YUV_NUM_TEST   20

Enumerations
enum	{   GF_PIXEL_IYUV = GF_4CC('I', 'Y', 'U', 'V') , GF_PIXEL_I420 = GF_4CC('I', '4', '2', '0') , GF_PIXEL_UYNV = GF_4CC('U', 'Y', 'N', 'V') , GF_PIXEL_YUNV = GF_4CC('Y', 'U', 'N', 'V') ,   GF_PIXEL_V422 = GF_4CC('V', '4', '2', '2') , GF_PIXEL_YV12 = GF_4CC('Y', 'V', '1', '2') , GF_PIXEL_Y422 = GF_4CC('Y', '4', '2', '2') , GF_PIXEL_YUY2 = GF_4CC('Y', 'U', 'Y', '2') }

Functions
static Bool	pixelformat_yuv (u32 pixel_format)
static u32	get_win_4CC (u32 pixel_format)
static GF_Err	DD_ClearBackBuffer (GF_VideoOutput *dr, u32 color)
GF_Err	CreateBackBuffer (GF_VideoOutput *dr, u32 Width, u32 Height, Bool use_system_memory)
GF_Err	InitDirectDraw (GF_VideoOutput *dr, u32 Width, u32 Height)
static GF_Err	DD_LockSurface (DDContext *dd, GF_VideoSurface *vi, LPDDRAWSURFACE surface)
static GF_Err	DD_UnlockSurface (DDContext *dd, LPDDRAWSURFACE surface)
static GF_Err	DD_LockBackBuffer (GF_VideoOutput *dr, GF_VideoSurface *vi, Bool do_lock)
static void *	LockOSContext (GF_VideoOutput *dr, Bool do_lock)
static GF_Err	DD_BlitSurface (DDContext *dd, DDSurface *src, GF_Window *src_wnd, GF_Window *dst_wnd, GF_ColorKey *key)
static DDSurface *	DD_GetSurface (GF_VideoOutput *dr, u32 width, u32 height, u32 pixel_format, Bool check_caps)
static GF_Err	DD_Blit (GF_VideoOutput *dr, GF_VideoSurface *video_src, GF_Window *src_wnd, GF_Window *dst_wnd, u32 overlay_type)
static GFINLINE u32	is_yuv_supported (u32 win_4cc)
static GFINLINE Bool	is_yuv_planar (u32 format)
void	DD_InitYUV (GF_VideoOutput *dr)
GF_Err	DD_SetBackBufferSize (GF_VideoOutput *dr, u32 width, u32 height, Bool use_system_memory)
void	DD_SetupDDraw (GF_VideoOutput *driv)

Variables
static GF_GPACArg	DirectDrawArgs []

Macro Definition Documentation

DDCONTEXT

#define DDCONTEXT   DDContext *dd = (DDContext *)dr->opaque;

DDBACK

#define DDBACK   DDSurface *pBack = (DDSurface *) gf_list_get(dd->surfaces, 0);

GF_COL_TO_565

#define GF_COL_TO_565

(

c

)

transfoms a 32-bits color into a 16-bits one.

Note

alpha component is lost

GF_COL_TO_555

#define GF_COL_TO_555

(

c

)

transfoms a 32-bits color into a 15-bits one.

Note

alpha component is lost

YUV_NUM_TEST

#define YUV_NUM_TEST   20

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
GF_PIXEL_IYUV
GF_PIXEL_I420
GF_PIXEL_UYNV	YUV packed format
GF_PIXEL_YUNV	YUV packed format
GF_PIXEL_V422	YUV packed format
GF_PIXEL_YV12
GF_PIXEL_Y422
GF_PIXEL_YUY2

Function Documentation

pixelformat_yuv()

static Bool pixelformat_yuv ( u32  pixel_format )

static

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get_win_4CC()

static u32 get_win_4CC ( u32  pixel_format )

static

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DD_ClearBackBuffer()

static GF_Err DD_ClearBackBuffer ( GF_VideoOutput *  dr, u32  color  )

static

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CreateBackBuffer()

GF_Err CreateBackBuffer	(	GF_VideoOutput *	dr,
		u32	Width,
		u32	Height,
		Bool	use_system_memory
	)

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InitDirectDraw()

GF_Err InitDirectDraw	(	GF_VideoOutput *	dr,
		u32	Width,
		u32	Height
	)

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DD_LockSurface()

static GF_Err DD_LockSurface ( DDContext *  dd, GF_VideoSurface *  vi, LPDDRAWSURFACE  surface  )

static

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DD_UnlockSurface()

static GF_Err DD_UnlockSurface ( DDContext *  dd, LPDDRAWSURFACE  surface  )

static

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DD_LockBackBuffer()

static GF_Err DD_LockBackBuffer ( GF_VideoOutput *  dr, GF_VideoSurface *  vi, Bool  do_lock  )

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LockOSContext()

static void * LockOSContext ( GF_VideoOutput *  dr, Bool  do_lock  )

static

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DD_BlitSurface()

static GF_Err DD_BlitSurface ( DDContext *  dd, DDSurface *  src, GF_Window *  src_wnd, GF_Window *  dst_wnd, GF_ColorKey *  key  )

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DD_GetSurface()

static DDSurface * DD_GetSurface ( GF_VideoOutput *  dr, u32  width, u32  height, u32  pixel_format, Bool  check_caps  )

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DD_Blit()

static GF_Err DD_Blit ( GF_VideoOutput *  dr, GF_VideoSurface *  video_src, GF_Window *  src_wnd, GF_Window *  dst_wnd, u32  overlay_type  )

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is_yuv_supported()

static GFINLINE u32 is_yuv_supported ( u32  win_4cc )

static

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is_yuv_planar()

static GFINLINE Bool is_yuv_planar ( u32  format )

static

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DD_InitYUV()

void DD_InitYUV

(

GF_VideoOutput *

dr

)

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DD_SetBackBufferSize()

GF_Err DD_SetBackBufferSize	(	GF_VideoOutput *	dr,
		u32	width,
		u32	height,
		Bool	use_system_memory
	)

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DD_SetupDDraw()

void DD_SetupDDraw

(

GF_VideoOutput *

driv

)

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Variable Documentation

DirectDrawArgs

GF_GPACArg DirectDrawArgs[]

static

Initial value:

= {
        GF_DEF_ARG("yuv-overlay", NULL, "enable yuv overlays", "false", NULL, GF_ARG_BOOL, 0),
        GF_DEF_ARG("yuv-4cc", NULL, "prefered YUV 4CC for overlays", NULL, NULL, GF_ARG_STRING, 0),
        GF_DEF_ARG("offscreen-yuv", NULL, "enable offscreen yuv", "true", NULL, GF_ARG_BOOL, 0),
        GF_DEF_ARG("overlay-color-key", NULL, "color key value for overlay", "0101FE", NULL, GF_ARG_STRING, 0),
        GF_DEF_ARG("no-vsync", NULL, "disable vertical synchro", "false", NULL, GF_ARG_BOOL, 0),
        GF_DEF_ARG("switch-vres", NULL, "enable resolution switching of display", "false", NULL, GF_ARG_BOOL, 0),
        GF_DEF_ARG("hwvmem", NULL, "specify (2D rendering only) memory type of main video backbuffer. Depending on the scene type, this may drastically change the playback speed\n"
 "- always: always on hardware\n"
 "- never: always on system memory\n"
 "- auto: selected by GPAC based on content type (graphics or video)", "auto", "auto|always|never", GF_ARG_INT, GF_ARG_HINT_EXPERT|GF_ARG_SUBSYS_VIDEO),
        {0},
}