fmo.h File Reference

Support for Flexible Macroblock Ordering. More...

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Functions
int	FmoInit (ImageParameters *p_Img, pic_parameter_set_rbsp_t *pps, seq_parameter_set_rbsp_t *sps)
void	FmoUninit (ImageParameters *p_Img)
int	FmoFinit (seq_parameter_set_rbsp_t *sps)
int	FmoMB2SliceGroup (ImageParameters *p_Img, int mb)
int	FmoGetFirstMBOfSliceGroup (ImageParameters *p_Img, int SliceGroupID)
int	FmoGetFirstMacroblockInSlice (ImageParameters *p_Img, int SliceGroup)
int	FmoGetNextMBNr (ImageParameters *p_Img, int CurrentMbNr)
int	FmoGetPreviousMBNr (ImageParameters *p_Img, int CurrentMbNr)
int	FmoGetLastCodedMBOfSliceGroup (ImageParameters *p_Img, int SliceGroupID)
int	FmoStartPicture (ImageParameters *p_Img)
int	FmoEndPicture (void)
int	FmoSliceGroupCompletelyCoded (ImageParameters *p_Img, int SliceGroupID)
void	FmoSetLastMacroblockInSlice (ImageParameters *p_Img, int mb)

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Detailed Description

Support for Flexible Macroblock Ordering.

Date:

16 June 2002

Author:

Stephan Wenger stewe@cs.tu-berlin.de

Definition in file fmo.h.

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Function Documentation

int FmoEndPicture

(

void

)

FmoEndPicture: Ends the Scattered Slices Module (called once per picture).

Input:

None

Definition at line 566 of file fmo.c.

Referenced by code_a_plane().

int FmoGetFirstMBOfSliceGroup	(	ImageParameters *	p_Img,
		int	SliceGroupID
	)

FmoGetFirstMBOfSliceGroup: Returns the MB-Nr (in scan order) of the next first MB of the Slice group, -1 if no such MB exists.

Input:

SliceGroupID: Id of SliceGroup

Definition at line 649 of file fmo.c.

References FmoMB2SliceGroup().

Referenced by FmoStartPicture().

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int FmoGetLastCodedMBOfSliceGroup	(	ImageParameters *	p_Img,
		int	SliceGroupID
	)

FmoGetLastCodedMBOfSlice: Returns the MB-Nr (in scan order) of the last MB of the slice group.

Input:

SliceGroupID

Return

MB Nr in case of success (is always >= 0) -1 if the SliceGroup doesn't exist

Definition at line 675 of file fmo.c.

References FmoMB2SliceGroup().

Referenced by encode_one_slice_MBAFF(), and end_macroblock().

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int FmoGetNextMBNr	(	ImageParameters *	p_Img,
		int	CurrentMbNr
	)

FmoGetNextMBBr: Returns the MB-Nr (in scan order) of the next MB in the (FMO) Slice, -1 if the SliceGroup is finished.

Input:

CurrentMbNr

Definition at line 599 of file fmo.c.

References FmoMB2SliceGroup().

Referenced by encode_one_slice(), encode_one_slice_MBAFF(), writeMBLayerBSlice(), and writeMBLayerPSlice().

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int FmoGetPreviousMBNr	(	ImageParameters *	p_Img,
		int	CurrentMbNr
	)

FmoGetNextMBBr: Returns the MB-Nr (in scan order) of the next MB in the (FMO) Slice, -1 if the SliceGroup is finished.

Input:

CurrentMbNr

Definition at line 624 of file fmo.c.

References FmoMB2SliceGroup().

Referenced by encode_one_slice(), encode_one_slice_MBAFF(), and start_macroblock().

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int FmoInit	(	ImageParameters *	p_Img,
		pic_parameter_set_rbsp_t *	pps,
		seq_parameter_set_rbsp_t *	sps
	)

FMO initialization: Generates p_Img->MapUnitToSliceGroupMap and p_Img->MBAmap.

Parameters:

	p_Img	Image Parameter to be used for map generation
	pps	Picture Parameter set to be used for map generation
	sps	Sequence Parameter set to be used for map generation

Definition at line 209 of file fmo.c.

References FmoGenerateMapUnitToSliceGroupMap(), and FmoGenerateMBAmap().

Referenced by code_a_plane().

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int FmoMB2SliceGroup	(	ImageParameters *	p_Img,
		int	mb
	)

FmoMB2Slice: Returns SliceID for a given MB.

Input:

Macroblock Nr (in scan order)

Definition at line 582 of file fmo.c.

Referenced by encode_one_slice_MBAFF(), end_macroblock(), FmoGetFirstMBOfSliceGroup(), FmoGetLastCodedMBOfSliceGroup(), FmoGetNextMBNr(), and FmoGetPreviousMBNr().

int FmoStartPicture

(

ImageParameters *

p_Img

)

FmoStartPicture: initializes FMO at the begin of each new picture.

Input:

None

Definition at line 543 of file fmo.c.

References FmoGetFirstMBOfSliceGroup().

Referenced by code_a_plane().

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void FmoUninit

(

ImageParameters *

p_Img

)

Free memory if allocated by FMO functions.

Definition at line 280 of file fmo.c.

Referenced by free_encoder_memory().