VC1 Macroblock-level functions in Simple/Main Profiles

Functions
static int	vc1_coded_block_pred (MpegEncContext *s, int n, uint8_t **coded_block_ptr)
static void	vc1_decode_ac_coeff (VC1Context *v, int *last, int *skip, int *value, int codingset)
	Decode one AC coefficient.
static int	vc1_decode_i_block (VC1Context *v, DCTELEM block[64], int n, int coded, int codingset)
	Decode intra block in intra frames - should be faster than decode_intra_block.
static int	vc1_decode_i_block_adv (VC1Context *v, DCTELEM block[64], int n, int coded, int codingset, int mquant)
	Decode intra block in intra frames - should be faster than decode_intra_block.
static int	vc1_decode_intra_block (VC1Context *v, DCTELEM block[64], int n, int coded, int mquant, int codingset)
	Decode intra block in inter frames - more generic version than vc1_decode_i_block.
static int	vc1_decode_p_block (VC1Context *v, DCTELEM block[64], int n, int mquant, int ttmb, int first_block, uint8_t *dst, int linesize, int skip_block, int apply_filter, int cbp_top, int cbp_left)
	Decode P block.

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Detailed Description

See also:

7.1.4, p91 and 8.1.1.7, p(1)04

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Function Documentation

static int vc1_coded_block_pred	(	MpegEncContext *	s,
		int	n,
		uint8_t **	coded_block_ptr
	)		[inline, static]

Definition at line 1324 of file vc1dec.c.

Referenced by vc1_decode_i_blocks(), and vc1_decode_i_blocks_adv().

static void vc1_decode_ac_coeff	(	VC1Context *	v,
		int *	last,
		int *	skip,
		int *	value,
		int	codingset
	)		[static]

Decode one AC coefficient.

Parameters:

v	The VC1 context
last	Last coefficient
skip	How much zero coefficients to skip
value	Decoded AC coefficient value
codingset	set of VLC to decode data

See also:

8.1.3.4

Definition at line 1359 of file vc1dec.c.

Referenced by vc1_decode_i_block(), vc1_decode_i_block_adv(), vc1_decode_intra_block(), and vc1_decode_p_block().

static int vc1_decode_i_block	(	VC1Context *	v,
		DCTELEM	block[64],
		int	n,
		int	coded,
		int	codingset
	)		[static]

Decode intra block in intra frames - should be faster than decode_intra_block.

Parameters:

	v	VC1Context
	block	block to decode
[in]	n	subblock index
	coded	are AC coeffs present or not
	codingset	set of VLC to decode data

Definition at line 1424 of file vc1dec.c.

Referenced by vc1_decode_i_blocks().

static int vc1_decode_i_block_adv	(	VC1Context *	v,
		DCTELEM	block[64],
		int	n,
		int	coded,
		int	codingset,
		int	mquant
	)		[static]

Decode intra block in intra frames - should be faster than decode_intra_block.

Parameters:

	v	VC1Context
	block	block to decode
[in]	n	subblock number
	coded	are AC coeffs present or not
	codingset	set of VLC to decode data
	mquant	quantizer value for this macroblock

Definition at line 1590 of file vc1dec.c.

Referenced by vc1_decode_i_blocks_adv().

static int vc1_decode_intra_block	(	VC1Context *	v,
		DCTELEM	block[64],
		int	n,
		int	coded,
		int	mquant,
		int	codingset
	)		[static]

Decode intra block in inter frames - more generic version than vc1_decode_i_block.

Parameters:

	v	VC1Context
	block	block to decode
[in]	n	subblock index
	coded	are AC coeffs present or not
	mquant	block quantizer
	codingset	set of VLC to decode data

Definition at line 1785 of file vc1dec.c.

Referenced by vc1_decode_b_mb(), and vc1_decode_p_mb().

static int vc1_decode_p_block	(	VC1Context *	v,
		DCTELEM	block[64],
		int	n,
		int	mquant,
		int	ttmb,
		int	first_block,
		uint8_t *	dst,
		int	linesize,
		int	skip_block,
		int	apply_filter,
		int	cbp_top,
		int	cbp_left
	)		[static]

Decode P block.

Definition at line 1980 of file vc1dec.c.

Referenced by vc1_decode_b_mb(), and vc1_decode_p_mb().