Macroblock reconstruction functions

Defines
#define	LUMA_CBP_BLOCK_MASK   0x33
	mask for retrieving all bits in coded block pattern corresponding to one 8x8 block
#define	U_CBP_MASK   0x0F0000
#define	V_CBP_MASK   0xF00000
Functions
static void	rv34_pred_4x4_block (RV34DecContext *r, uint8_t *dst, int stride, int itype, int up, int left, int down, int right)
	Perform 4x4 intra prediction.
static void	rv34_add_4x4_block (uint8_t *dst, int stride, DCTELEM block[64], int off)
	add_pixels_clamped for 4x4 block
static int	adjust_pred16 (int itype, int up, int left)
static void	rv34_output_macroblock (RV34DecContext *r, int8_t *intra_types, int cbp, int is16)
static void	rv34_apply_differences (RV34DecContext *r, int cbp)
static int	is_mv_diff_gt_3 (int16_t(*motion_val)[2], int step)
static int	rv34_set_deblock_coef (RV34DecContext *r)
static int	rv34_decode_macroblock (RV34DecContext *r, int8_t *intra_types)
static int	check_slice_end (RV34DecContext *r, MpegEncContext *s)
static int	slice_compare (SliceInfo *si1, SliceInfo *si2)
static int	rv34_decode_slice (RV34DecContext *r, int end, const uint8_t *buf, int buf_size)
Variables
static const int	ittrans [9]
	mapping of RV30/40 intra prediction types to standard H.264 types
static const int	ittrans16 [4]
	mapping of RV30/40 intra 16x16 prediction types to standard H.264 types

---

Define Documentation

#define LUMA_CBP_BLOCK_MASK   0x33

mask for retrieving all bits in coded block pattern corresponding to one 8x8 block

Definition at line 1107 of file rv34.c.

Referenced by rv34_apply_differences().

#define U_CBP_MASK   0x0F0000

Definition at line 1109 of file rv34.c.

Referenced by rv34_apply_differences().

#define V_CBP_MASK   0xF00000

Definition at line 1110 of file rv34.c.

Referenced by rv34_apply_differences().

---

Function Documentation

static int adjust_pred16	(	int	itype,
		int	up,
		int	left
	)			[inline, static]

Definition at line 941 of file rv34.c.

Referenced by rv34_output_macroblock().

static int check_slice_end	(	RV34DecContext *	r,
		MpegEncContext *	s
	)			[static]

Definition at line 1246 of file rv34.c.

Referenced by rv34_decode_slice().

static int is_mv_diff_gt_3	(	int16_t(*)	motion_val[2],
		int	step
	)			[static]

Definition at line 1128 of file rv34.c.

Referenced by rv34_set_deblock_coef().

static void rv34_add_4x4_block	(	uint8_t *	dst,
		int	stride,
		DCTELEM	block[64],
		int	off
	)			[static]

add_pixels_clamped for 4x4 block

Definition at line 933 of file rv34.c.

Referenced by rv34_output_macroblock().

static void rv34_apply_differences	(	RV34DecContext *	r,
		int	cbp
	)			[static]

Definition at line 1113 of file rv34.c.

Referenced by rv34_decode_macroblock().

static int rv34_decode_macroblock	(	RV34DecContext *	r,
		int8_t *	intra_types
	)			[static]

Definition at line 1170 of file rv34.c.

Referenced by rv34_decode_slice().

static int rv34_decode_slice	(	RV34DecContext *	r,
		int	end,
		const uint8_t *	buf,
		int	buf_size
	)			[static]

Definition at line 1270 of file rv34.c.

Referenced by ff_rv34_decode_frame().

static void rv34_output_macroblock	(	RV34DecContext *	r,
		int8_t *	intra_types,
		int	cbp,
		int	is16
	)			[static]

Definition at line 957 of file rv34.c.

Referenced by rv34_decode_macroblock().

static void rv34_pred_4x4_block	(	RV34DecContext *	r,
		uint8_t *	dst,
		int	stride,
		int	itype,
		int	up,
		int	left,
		int	down,
		int	right
	)			[static]

Perform 4x4 intra prediction.

Definition at line 905 of file rv34.c.

Referenced by rv34_output_macroblock().

static int rv34_set_deblock_coef

(

RV34DecContext *

r

)

[static]

Definition at line 1140 of file rv34.c.

Referenced by rv34_decode_macroblock().

static int slice_compare	(	SliceInfo *	si1,
		SliceInfo *	si2
	)			[inline, static]

Definition at line 1261 of file rv34.c.

---

Variable Documentation

const int ittrans[9] [static]

Initial value:

 {
 DC_PRED, VERT_PRED, HOR_PRED, DIAG_DOWN_RIGHT_PRED, DIAG_DOWN_LEFT_PRED,
 VERT_RIGHT_PRED, VERT_LEFT_PRED, HOR_UP_PRED, HOR_DOWN_PRED,
}

mapping of RV30/40 intra prediction types to standard H.264 types

Definition at line 892 of file rv34.c.

const int ittrans16[4] [static]

Initial value:

 {
 DC_PRED8x8, VERT_PRED8x8, HOR_PRED8x8, PLANE_PRED8x8,
}

mapping of RV30/40 intra 16x16 prediction types to standard H.264 types

Definition at line 898 of file rv34.c.