directfb_wrapper.c File Reference

#include <directfb.h>
#include <directfb_strings.h>
#include <directfb_util.h>
#include <direct/util.h>
#include <gpac/constants.h>
#include <gpac/events_constants.h>
#include <gpac/events.h>
#include "directfb_out.h"

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Data Structures
struct	DirectFBVidCtx
struct	DeviceInfo

Macros
#define	DFBCHECK(x...)
#define	SET_DRAWING_FLAGS(flags)    ctx->primary->SetDrawingFlags( ctx->primary, (flags) | (do_xor ? DSDRAW_XOR : 0) )

Functions
size_t	DirectFBVid_GetCtxSizeOf (void)
void	DirectFBVid_DrawHLineWrapper (DirectFBVidCtx *ctx, u32 x, u32 y, u32 length, u8 r, u8 g, u8 b)
void	DirectFBVid_DrawHLineAlphaWrapper (DirectFBVidCtx *ctx, u32 x, u32 y, u32 length, u8 r, u8 g, u8 b, u8 alpha)
void	DirectFBVid_DrawRectangleWrapper (DirectFBVidCtx *ctx, u32 x, u32 y, u32 width, u32 height, u8 r, u8 g, u8 b, u8 a)
u32	DirectFBVid_CtxPrimaryLock (DirectFBVidCtx *ctx, void **buf, u32 *pitch)
static DFBEnumerationResult	enum_input_device (DFBInputDeviceID device_id, DFBInputDeviceDescription desc, void *data)
u32	DirectFBVid_TranslatePixelFormatToGPAC (u32 dfbpf)
void	DirectFBVid_InitAndCreateSurface (DirectFBVidCtx *ctx, char *dfb_system)
void	DirectFBVid_CtxPrimaryUnlock (DirectFBVidCtx *ctx)
u32	DirectFBVid_CtxGetWidth (DirectFBVidCtx *ctx)
u32	DirectFBVid_CtxGetHeight (DirectFBVidCtx *ctx)
void *	DirectFBVid_CtxGetPrimary (DirectFBVidCtx *ctx)
u32	DirectFBVid_CtxGetPixelFormat (DirectFBVidCtx *ctx)
Bool	DirectFBVid_CtxIsHwMemory (DirectFBVidCtx *ctx)
u32	DirectFBVid_CtxPrimaryFlip (DirectFBVidCtx *ctx)
void	DirectFBVid_CtxSetIsInit (DirectFBVidCtx *ctx, Bool val)
void	DirectFBVid_CtxSetFlipMode (DirectFBVidCtx *ctx, u32 flip_mode)
void	DirectFBVid_CtxPrimaryProcessGetAccelerationMask (DirectFBVidCtx *ctx)
u32	DirectFBVid_ShutdownWrapper (DirectFBVidCtx *ctx)
u32	DirectFBVid_TranslatePixelFormatFromGPAC (u32 gpacpf)
u32	DirectFBVid_BlitWrapper (DirectFBVidCtx *ctx, u32 video_src_width, u32 video_src_height, u32 video_src_pixel_format, char *video_src_buffer, s32 video_src_pitch_y, u32 src_wnd_x, u32 src_wnd_y, u32 src_wnd_w, u32 src_wnd_h, u32 dst_wnd_x, u32 dst_wnd_y, u32 dst_wnd_w, u32 dst_wnd_h, u32 overlay_type)
void	directfb_translate_key (DFBInputDeviceKeyIdentifier DirectFBkey, u32 *flags, u32 *key_code)
u32	DirectFBVid_ProcessMessageQueueWrapper (DirectFBVidCtx *ctx, u8 *type, u32 *flags, u32 *key_code, s32 *x, s32 *y, u32 *button)

Variables
static int	do_xor = 0

---

Data Structure Documentation

__DirectFBVidCtx

struct __DirectFBVidCtx

Data Fields
IDirectFB *	dfb
IDirectFBSurface *	primary
u32	width
u32	height
u32	pixel_format
Bool	use_systems_memory
Bool	disable_aa
Bool	is_init
int	accel_drawline
int	accel_fillrect
DFBSurfaceFlipFlags	flip_mode
IDirectFBEventBuffer *	events
IDirectFBInputDevice *	mouse
IDirectFBWindow *	window
IDirectFBDisplayLayer *	layer

_DeviceInfo

struct _DeviceInfo

Data Fields
DFBInputDeviceID	device_id
DFBInputDeviceDescription	desc
DeviceInfo *	next

Macro Definition Documentation

DFBCHECK

#define DFBCHECK

(

x...

)

Value:

          do {                                                             \
               err = x;                                                    \
               if (err != DFB_OK) {                                        \
                    fprintf( stderr, "%s <%d>:\n\t", __FILE__, __LINE__ ); \
                    DirectFBErrorFatal( #x, err );                         \
               }                                                           \
          } while (0)

SET_DRAWING_FLAGS

#define SET_DRAWING_FLAGS

(

flags

)

ctx->primary->SetDrawingFlags( ctx->primary, (flags) | (do_xor ? DSDRAW_XOR : 0) )

Function Documentation

DirectFBVid_GetCtxSizeOf()

size_t DirectFBVid_GetCtxSizeOf

(

void

)

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DirectFBVid_DrawHLineWrapper()

void DirectFBVid_DrawHLineWrapper	(	DirectFBVidCtx *	ctx,
		u32	x,
		u32	y,
		u32	length,
		u8	r,
		u8	g,
		u8	b
	)

function DirectFBVid_DrawHLineWrapper

• using hardware accelerator to draw horizontal line

DirectFBVid_DrawHLineAlphaWrapper()

void DirectFBVid_DrawHLineAlphaWrapper	(	DirectFBVidCtx *	ctx,
		u32	x,
		u32	y,
		u32	length,
		u8	r,
		u8	g,
		u8	b,
		u8	alpha
	)

function DirectFBVid_DrawHLineWrapper

• using hardware accelerator to draw horizontal line with alpha

DirectFBVid_DrawRectangleWrapper()

void DirectFBVid_DrawRectangleWrapper	(	DirectFBVidCtx *	ctx,
		u32	x,
		u32	y,
		u32	width,
		u32	height,
		u8	r,
		u8	g,
		u8	b,
		u8	a
	)

function DirectFBVid_DrawRectangleWrapper

• using hardware accelerator to fill a rectangle with the given color

DirectFBVid_CtxPrimaryLock()

u32 DirectFBVid_CtxPrimaryLock	(	DirectFBVidCtx *	ctx,
		void **	buf,
		u32 *	pitch
	)

function DirectFBVid_CtxPrimaryLock

• lock the surface (in order to access certain data)

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enum_input_device()

static DFBEnumerationResult enum_input_device ( DFBInputDeviceID  device_id, DFBInputDeviceDescription  desc, void *  data  )

static

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DirectFBVid_TranslatePixelFormatToGPAC()

u32 DirectFBVid_TranslatePixelFormatToGPAC

(

u32

dfbpf

)

function DirectFBVid_InitAndCreateSurface

• initialize and create DirectFB surface

function DirectFBVid_TranslatePixelFormatToGPAC

• translate pixel from DirectFb to GPAC

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DirectFBVid_InitAndCreateSurface()

void DirectFBVid_InitAndCreateSurface	(	DirectFBVidCtx *	ctx,
		char *	dfb_system
	)

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DirectFBVid_CtxPrimaryUnlock()

void DirectFBVid_CtxPrimaryUnlock

(

DirectFBVidCtx *

ctx

)

function DirectFBVid_CtxPrimaryUnlock

• unlock a surface after direct access (in order to fetch data)

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DirectFBVid_CtxGetWidth()

u32 DirectFBVid_CtxGetWidth

(

DirectFBVidCtx *

ctx

)

function DirectFBVid_CtxGetWidth

• returns screen width

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DirectFBVid_CtxGetHeight()

u32 DirectFBVid_CtxGetHeight

(

DirectFBVidCtx *

ctx

)

function DirectFBVid_CtxGetHeight

• returns screen height

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DirectFBVid_CtxGetPrimary()

void* DirectFBVid_CtxGetPrimary

(

DirectFBVidCtx *

ctx

)

function DirectFBVid_CtxGetPrimary

• return the primary surface

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DirectFBVid_CtxGetPixelFormat()

u32 DirectFBVid_CtxGetPixelFormat

(

DirectFBVidCtx *

ctx

)

function DirectFBVid_CtxGetPixelFormat

• get pixel format

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DirectFBVid_CtxIsHwMemory()

Bool DirectFBVid_CtxIsHwMemory

(

DirectFBVidCtx *

ctx

)

function DirectFBVid_CtxIsHwMemory

• return value whether system memory is used or not

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DirectFBVid_CtxPrimaryFlip()

u32 DirectFBVid_CtxPrimaryFlip

(

DirectFBVidCtx *

ctx

)

function DirectFBVid_CtxPrimaryFlip

• flipping buffers

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DirectFBVid_CtxSetIsInit()

void DirectFBVid_CtxSetIsInit	(	DirectFBVidCtx *	ctx,
		Bool	val
	)

function DirectFBVid_CtxSetIsInit

• boolean showing whether DirectFB is initialized

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DirectFBVid_CtxSetFlipMode()

void DirectFBVid_CtxSetFlipMode	(	DirectFBVidCtx *	ctx,
		u32	flip_mode
	)

function DirectFBVid_CtxSetFlipMode

• set flip mode

DirectFBVid_CtxPrimaryProcessGetAccelerationMask()

void DirectFBVid_CtxPrimaryProcessGetAccelerationMask

(

DirectFBVidCtx *

ctx

)

function DirectFBVid_CtxPrimaryProcessGetAccelerationMask

• Get a mask of drawing functions that are hardware accelerated with the current settings.

DirectFBVid_ShutdownWrapper()

u32 DirectFBVid_ShutdownWrapper

(

DirectFBVidCtx *

ctx

)

function DirectFBVid_ShutdownWrapper

• shutdown DirectFB module

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DirectFBVid_TranslatePixelFormatFromGPAC()

u32 DirectFBVid_TranslatePixelFormatFromGPAC

(

u32

gpacpf

)

Blit a surface

function DirectFBVid_TranslatePixelFormatToGPAC

• translate pixel from GPAC to DirectFB

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DirectFBVid_BlitWrapper()

u32 DirectFBVid_BlitWrapper	(	DirectFBVidCtx *	ctx,
		u32	video_src_width,
		u32	video_src_height,
		u32	video_src_pixel_format,
		char *	video_src_buffer,
		s32	video_src_pitch_y,
		u32	src_wnd_x,
		u32	src_wnd_y,
		u32	src_wnd_w,
		u32	src_wnd_h,
		u32	dst_wnd_x,
		u32	dst_wnd_y,
		u32	dst_wnd_w,
		u32	dst_wnd_h,
		u32	overlay_type
	)

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directfb_translate_key()

void directfb_translate_key	(	DFBInputDeviceKeyIdentifier	DirectFBkey,
		u32 *	flags,
		u32 *	key_code
	)

function DirectFBVid_ProcessMessageQueueWrapper

• handle DirectFB events
• key events

function directfb_translate_key

• translate key from DirectFB to GPAC

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DirectFBVid_ProcessMessageQueueWrapper()

u32 DirectFBVid_ProcessMessageQueueWrapper	(	DirectFBVidCtx *	ctx,
		u8 *	type,
		u32 *	flags,
		u32 *	key_code,
		s32 *	x,
		s32 *	y,
		u32 *	button
	)

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Variable Documentation

do_xor

int do_xor = 0

static