VC-1 and WMV3 decoder. More...

#include "libavutil/common.h"
#include "h264chroma.h"
#include "qpeldsp.h"
#include "vc1dsp.h"
#include "startcode.h"

Macros
#define	VC1_MSPEL_FILTER_16B(DIR, TYPE)

#define	VC1_MSPEL_MC(OP, OPNAME)

#define	op_put(a, b) a = av_clip_uint8(b)

#define	op_avg(a, b) a = (a + av_clip_uint8(b) + 1) >> 1

#define	PUT_VC1_MSPEL(a, b)

#define	chroma_mc(a)

#define	avg2(a, b) (((a) + (b) + 1) >> 1)

Functions
static void	vc1_v_overlap_c (uint8_t *src, int stride)

static void	vc1_h_overlap_c (uint8_t *src, int stride)

static void	vc1_v_s_overlap_c (int16_t top, int16_t bottom)

static void	vc1_h_s_overlap_c (int16_t left, int16_t right)

static av_always_inline int	vc1_filter_line (uint8_t *src, int stride, int pq)
	VC-1 in-loop deblocking filter for one line. More...

static void	vc1_loop_filter (uint8_t *src, int step, int stride, int len, int pq)
	VC-1 in-loop deblocking filter. More...

static void	vc1_v_loop_filter4_c (uint8_t *src, int stride, int pq)

static void	vc1_h_loop_filter4_c (uint8_t *src, int stride, int pq)

static void	vc1_v_loop_filter8_c (uint8_t *src, int stride, int pq)

static void	vc1_h_loop_filter8_c (uint8_t *src, int stride, int pq)

static void	vc1_v_loop_filter16_c (uint8_t *src, int stride, int pq)

static void	vc1_h_loop_filter16_c (uint8_t *src, int stride, int pq)

static void	vc1_inv_trans_8x8_dc_c (uint8_t dest, int linesize, int16_t block)

static void	vc1_inv_trans_8x8_c (int16_t block[64])

static void	vc1_inv_trans_8x4_dc_c (uint8_t dest, int linesize, int16_t block)

static void	vc1_inv_trans_8x4_c (uint8_t dest, int linesize, int16_t block)

static void	vc1_inv_trans_4x8_dc_c (uint8_t dest, int linesize, int16_t block)

static void	vc1_inv_trans_4x8_c (uint8_t dest, int linesize, int16_t block)

static void	vc1_inv_trans_4x4_dc_c (uint8_t dest, int linesize, int16_t block)

static void	vc1_inv_trans_4x4_c (uint8_t dest, int linesize, int16_t block)

static av_always_inline int	vc1_mspel_filter (const uint8_t *src, int stride, int mode, int r)

static void	put_vc1_mspel_mc00_c (uint8_t dst, const uint8_t src, ptrdiff_t stride, int rnd)

static void	avg_vc1_mspel_mc00_c (uint8_t dst, const uint8_t src, ptrdiff_t stride, int rnd)

static void	put_no_rnd_vc1_chroma_mc8_c (uint8_t dst, uint8_t src, int stride, int h, int x, int y)

static void	put_no_rnd_vc1_chroma_mc4_c (uint8_t dst, uint8_t src, int stride, int h, int x, int y)

static void	avg_no_rnd_vc1_chroma_mc8_c (uint8_t dst, uint8_t src, int stride, int h, int x, int y)

static void	avg_no_rnd_vc1_chroma_mc4_c (uint8_t dst, uint8_t src, int stride, int h, int x, int y)

av_cold void	ff_vc1dsp_init (VC1DSPContext *dsp)

Detailed Description

VC-1 and WMV3 decoder.

Definition in file vc1dsp.c.

Macro Definition Documentation

#define VC1_MSPEL_FILTER_16B	(	DIR,
		TYPE
	)

Value:

static av_always_inline int vc1_mspel_ ## DIR ## _filter_16bits(const TYPE *src, \
                                                                int stride,   \
                                                                int mode)     \
{                                                                             \
    switch(mode) {                                                            \
    case 0: /* no shift - should not occur */                                 \
        return 0;                                                             \
    case 1: /* 1/4 shift */                                                   \
        return -4 * src[-stride] + 53 * src[0] +                              \
               18 * src[stride]  -  3 * src[stride * 2];                      \
    case 2: /* 1/2 shift */                                                   \
        return -1 * src[-stride] +  9 * src[0] +                              \
                9 * src[stride]  -  1 * src[stride * 2];                      \
    case 3: /* 3/4 shift */                                                   \
        return -3 * src[-stride] + 18 * src[0] +                              \
               53 * src[stride]  -  4 * src[stride * 2];                      \
    }                                                                         \
    return 0; /* should not occur */                                          \
}

Definition at line 540 of file vc1dsp.c.

#define VC1_MSPEL_MC	(	OP,
		OPNAME
	)

Definition at line 585 of file vc1dsp.c.

#define op_put	(	a,
		b
	)	a = av_clip_uint8(b)

Definition at line 645 of file vc1dsp.c.

#define op_avg	(	a,
		b
	)	a = (a + av_clip_uint8(b) + 1) >> 1

Definition at line 646 of file vc1dsp.c.

#define PUT_VC1_MSPEL	(	a,
		b
	)

Value:

static void put_vc1_mspel_mc ## a ## b ## _c(uint8_t *dst,                    \
                                             const uint8_t *src,              \
                                             ptrdiff_t stride, int rnd)       \
{                                                                             \
    put_vc1_mspel_mc(dst, src, stride, a, b, rnd);                            \
}                                                                             \
static void avg_vc1_mspel_mc ## a ## b ## _c(uint8_t *dst,                    \
                                             const uint8_t *src,              \
                                             ptrdiff_t stride, int rnd)       \
{                                                                             \
    avg_vc1_mspel_mc(dst, src, stride, a, b, rnd);                            \
}

Definition at line 653 of file vc1dsp.c.

#define chroma_mc ( a )

Value:

((A * src[a] + B * src[a + 1] + \

C * src[stride + a] + D * src[stride + a + 1] + 32 - 4) >> 6)

stride

int stride

Definition: mace.c:144

B

#define B

Definition: huffyuv.h:49

A

Definition: vf_drawbox.c:37

D

#define D

Definition: options_table.h:39

a

Definition: h264pred_template.c:468

Definition at line 699 of file vc1dsp.c.

Referenced by avg_no_rnd_vc1_chroma_mc4_c(), avg_no_rnd_vc1_chroma_mc8_c(), put_no_rnd_vc1_chroma_mc4_c(), put_no_rnd_vc1_chroma_mc8_c(), and rv34_mc().

#define avg2	(	a,
		b
	)	(((a) + (b) + 1) >> 1)

Definition at line 749 of file vc1dsp.c.

Referenced by avg_no_rnd_vc1_chroma_mc4_c(), and avg_no_rnd_vc1_chroma_mc8_c().

Function Documentation

static void vc1_v_overlap_c	(	uint8_t *	src,
		int	stride
	)

static

Definition at line 35 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void vc1_h_overlap_c	(	uint8_t *	src,
		int	stride
	)

static

Definition at line 59 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void vc1_v_s_overlap_c	(	int16_t *	top,
		int16_t *	bottom
	)

static

Definition at line 82 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void vc1_h_s_overlap_c	(	int16_t *	left,
		int16_t *	right
	)

static

Definition at line 108 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static av_always_inline int vc1_filter_line	(	uint8_t *	src,
		int	stride,
		int	pq
	)

static

VC-1 in-loop deblocking filter for one line.

Parameters

src	source block type
stride	block stride
pq	block quantizer

Returns: whether other 3 pairs should be filtered or not

See also: 8.6

Definition at line 142 of file vc1dsp.c.

Referenced by vc1_loop_filter().

static void vc1_loop_filter	(	uint8_t *	src,
		int	step,
		int	stride,
		int	len,
		int	pq
	)

inlinestatic

VC-1 in-loop deblocking filter.

Parameters

src	source block type
step	distance between horizontally adjacent elements
stride	distance between vertically adjacent elements
len	edge length to filter (4 or 8 pixels)
pq	block quantizer

See also: 8.6

Definition at line 191 of file vc1dsp.c.

Referenced by vc1_h_loop_filter16_c(), vc1_h_loop_filter4_c(), vc1_h_loop_filter8_c(), vc1_v_loop_filter16_c(), vc1_v_loop_filter4_c(), and vc1_v_loop_filter8_c().

static void vc1_v_loop_filter4_c	(	uint8_t *	src,
		int	stride,
		int	pq
	)

static

Definition at line 208 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void vc1_h_loop_filter4_c	(	uint8_t *	src,
		int	stride,
		int	pq
	)

static

Definition at line 213 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void vc1_v_loop_filter8_c	(	uint8_t *	src,
		int	stride,
		int	pq
	)

static

Definition at line 218 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void vc1_h_loop_filter8_c	(	uint8_t *	src,
		int	stride,
		int	pq
	)

static

Definition at line 223 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void vc1_v_loop_filter16_c	(	uint8_t *	src,
		int	stride,
		int	pq
	)

static

Definition at line 228 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void vc1_h_loop_filter16_c	(	uint8_t *	src,
		int	stride,
		int	pq
	)

static

Definition at line 233 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void vc1_inv_trans_8x8_dc_c	(	uint8_t *	dest,
		int	linesize,
		int16_t *	block
	)

static

Definition at line 239 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void vc1_inv_trans_8x8_c ( int16_t block[64] )

static

Definition at line 260 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void vc1_inv_trans_8x4_dc_c	(	uint8_t *	dest,
		int	linesize,
		int16_t *	block
	)

static

Definition at line 330 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void vc1_inv_trans_8x4_c	(	uint8_t *	dest,
		int	linesize,
		int16_t *	block
	)

static

Definition at line 351 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void vc1_inv_trans_4x8_dc_c	(	uint8_t *	dest,
		int	linesize,
		int16_t *	block
	)

static

Definition at line 407 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void vc1_inv_trans_4x8_c	(	uint8_t *	dest,
		int	linesize,
		int16_t *	block
	)

static

Definition at line 424 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void vc1_inv_trans_4x4_dc_c	(	uint8_t *	dest,
		int	linesize,
		int16_t *	block
	)

static

Definition at line 480 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void vc1_inv_trans_4x4_c	(	uint8_t *	dest,
		int	linesize,
		int16_t *	block
	)

static

Definition at line 497 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static av_always_inline int vc1_mspel_filter	(	const uint8_t *	src,
		int	stride,
		int	mode,
		int	r
	)

static

Definition at line 565 of file vc1dsp.c.

static void put_vc1_mspel_mc00_c	(	uint8_t *	dst,
		const uint8_t *	src,
		ptrdiff_t	stride,
		int	rnd
	)

static

Definition at line 687 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void avg_vc1_mspel_mc00_c	(	uint8_t *	dst,
		const uint8_t *	src,
		ptrdiff_t	stride,
		int	rnd
	)

static

Definition at line 693 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void put_no_rnd_vc1_chroma_mc8_c	(	uint8_t *	dst,
		uint8_t *	src,
		int	stride,
		int	h,
		int	x,
		int	y
	)

static

Definition at line 702 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void put_no_rnd_vc1_chroma_mc4_c	(	uint8_t *	dst,
		uint8_t *	src,
		int	stride,
		int	h,
		int	x,
		int	y
	)

static

Definition at line 728 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void avg_no_rnd_vc1_chroma_mc8_c	(	uint8_t *	dst,
		uint8_t *	src,
		int	stride,
		int	h,
		int	x,
		int	y
	)

static

Definition at line 750 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

static void avg_no_rnd_vc1_chroma_mc4_c	(	uint8_t *	dst,
		uint8_t *	src,
		int	stride,
		int	h,
		int	x,
		int	y
	)

static

Definition at line 776 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

av_cold void ff_vc1dsp_init ( VC1DSPContext * dsp )

Definition at line 882 of file vc1dsp.c.

Referenced by ff_vc1_init_common(), and wmv9_init().

Macros

Functions

Detailed Description

Macro Definition Documentation

Function Documentation