VC-1 and WMV3 decoder. More...

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

Macros
#define	VC1_MSPEL_FILTER_16B(DIR, TYPE)

#define	VC1_MSPEL_MC(OP, OP4, 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	op4_avg(a, b) (a) = rnd_avg32(a, b)

#define	op4_put(a, b) (a) = (b)

#define	PUT_VC1_MSPEL(a, b)

#define	chroma_mc(a)

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

#define	FN_ASSIGN(X, Y)

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, ptrdiff_t stride, 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, ptrdiff_t stride, int16_t block)

static void	vc1_inv_trans_8x4_c (uint8_t dest, ptrdiff_t stride, int16_t block)

static void	vc1_inv_trans_4x8_dc_c (uint8_t dest, ptrdiff_t stride, int16_t block)

static void	vc1_inv_trans_4x8_c (uint8_t dest, ptrdiff_t stride, int16_t block)

static void	vc1_inv_trans_4x4_dc_c (uint8_t dest, ptrdiff_t stride, int16_t block)

static void	vc1_inv_trans_4x4_c (uint8_t dest, ptrdiff_t stride, int16_t block)

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

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

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

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

static void	avg_no_rnd_vc1_chroma_mc4_c (uint8_t dst, uint8_t src, ptrdiff_t 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

◆ VC1_MSPEL_FILTER_16B

#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 542 of file vc1dsp.c.

◆ VC1_MSPEL_MC

#define VC1_MSPEL_MC	(	OP,
		OP4,
		OPNAME
	)

Definition at line 587 of file vc1dsp.c.

◆ op_put

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

Definition at line 725 of file vc1dsp.c.

◆ op_avg

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

Definition at line 726 of file vc1dsp.c.

◆ op4_avg

#define op4_avg	(	a,
		b
	)	(a) = rnd_avg32(a, b)

Definition at line 727 of file vc1dsp.c.

◆ op4_put

#define op4_put	(	a,
		b
	)	(a) = (b)

Definition at line 728 of file vc1dsp.c.

◆ PUT_VC1_MSPEL

#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);                            \
}                                                                             \
static void put_vc1_mspel_mc ## a ## b ## _16_c(uint8_t *dst,                 \
                                                const uint8_t *src,           \
                                                ptrdiff_t stride, int rnd)    \
{                                                                             \
    put_vc1_mspel_mc_16(dst, src, stride, a, b, rnd);                         \
}                                                                             \
static void avg_vc1_mspel_mc ## a ## b ## _16_c(uint8_t *dst,                 \
                                                const uint8_t *src,           \
                                                ptrdiff_t stride, int rnd)    \
{                                                                             \
    avg_vc1_mspel_mc_16(dst, src, stride, a, b, rnd);                         \
}

Definition at line 735 of file vc1dsp.c.

◆ chroma_mc

#define chroma_mc ( a )

Value:

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

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

src

#define src

Definition: vp8dsp.c:254

stride

int stride

Definition: mace.c:144

A

#define A(x)

Definition: vp56_arith.h:28

B

#define B

Definition: huffyuvdsp.h:32

D

D(D(float, sse)

Definition: rematrix_init.c:28

a

Definition: h264pred_template.c:468

Definition at line 780 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().

◆ avg2

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

Definition at line 830 of file vc1dsp.c.

Referenced by avg_no_rnd_vc1_chroma_mc4_c(), and avg_no_rnd_vc1_chroma_mc8_c().

◆ FN_ASSIGN

#define FN_ASSIGN	(	X,
		Y
	)

Value:

dsp->put_vc1_mspel_pixels_tab[1][X+4*Y] = put_vc1_mspel_mc##X##Y##_c; \
    dsp->put_vc1_mspel_pixels_tab[0][X+4*Y] = put_vc1_mspel_mc##X##Y##_16_c; \
    dsp->avg_vc1_mspel_pixels_tab[1][X+4*Y] = avg_vc1_mspel_mc##X##Y##_c; \
    dsp->avg_vc1_mspel_pixels_tab[0][X+4*Y] = avg_vc1_mspel_mc##X##Y##_16_c

Definition at line 962 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

Function Documentation

◆ vc1_v_overlap_c()

static void vc1_v_overlap_c	(	uint8_t *	src,
		int	stride
	)

static

Definition at line 37 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_h_overlap_c()

static void vc1_h_overlap_c	(	uint8_t *	src,
		int	stride
	)

static

Definition at line 61 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_v_s_overlap_c()

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

static

Definition at line 84 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_h_s_overlap_c()

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

static

Definition at line 110 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_filter_line()

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 144 of file vc1dsp.c.

Referenced by vc1_loop_filter().

◆ 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 193 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().

◆ vc1_v_loop_filter4_c()

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

static

Definition at line 210 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_h_loop_filter4_c()

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

static

Definition at line 215 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_v_loop_filter8_c()

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

static

Definition at line 220 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_h_loop_filter8_c()

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

static

Definition at line 225 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_v_loop_filter16_c()

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

static

Definition at line 230 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_h_loop_filter16_c()

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

static

Definition at line 235 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_inv_trans_8x8_dc_c()

static void vc1_inv_trans_8x8_dc_c	(	uint8_t *	dest,
		ptrdiff_t	stride,
		int16_t *	block
	)

static

Definition at line 241 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_inv_trans_8x8_c()

static void vc1_inv_trans_8x8_c ( int16_t block[64] )

static

Definition at line 262 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_inv_trans_8x4_dc_c()

static void vc1_inv_trans_8x4_dc_c	(	uint8_t *	dest,
		ptrdiff_t	stride,
		int16_t *	block
	)

static

Definition at line 332 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_inv_trans_8x4_c()

static void vc1_inv_trans_8x4_c	(	uint8_t *	dest,
		ptrdiff_t	stride,
		int16_t *	block
	)

static

Definition at line 353 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_inv_trans_4x8_dc_c()

static void vc1_inv_trans_4x8_dc_c	(	uint8_t *	dest,
		ptrdiff_t	stride,
		int16_t *	block
	)

static

Definition at line 409 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_inv_trans_4x8_c()

static void vc1_inv_trans_4x8_c	(	uint8_t *	dest,
		ptrdiff_t	stride,
		int16_t *	block
	)

static

Definition at line 426 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_inv_trans_4x4_dc_c()

static void vc1_inv_trans_4x4_dc_c	(	uint8_t *	dest,
		ptrdiff_t	stride,
		int16_t *	block
	)

static

Definition at line 482 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_inv_trans_4x4_c()

static void vc1_inv_trans_4x4_c	(	uint8_t *	dest,
		ptrdiff_t	stride,
		int16_t *	block
	)

static

Definition at line 499 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_mspel_filter()

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

static

Definition at line 567 of file vc1dsp.c.

◆ put_no_rnd_vc1_chroma_mc8_c()

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

static

Definition at line 783 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ put_no_rnd_vc1_chroma_mc4_c()

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

static

Definition at line 809 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ avg_no_rnd_vc1_chroma_mc8_c()

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

static

Definition at line 831 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ avg_no_rnd_vc1_chroma_mc4_c()

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

static

Definition at line 857 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ ff_vc1dsp_init()

av_cold void ff_vc1dsp_init ( VC1DSPContext * dsp )

Definition at line 968 of file vc1dsp.c.

Referenced by ff_vc1_init_common(), and wmv9_init().

Macros

Functions

Detailed Description

Macro Definition Documentation

◆ VC1_MSPEL_FILTER_16B

◆ VC1_MSPEL_MC

◆ op_put

◆ op_avg

◆ op4_avg

◆ op4_put

◆ PUT_VC1_MSPEL

◆ chroma_mc

◆ avg2

◆ FN_ASSIGN

Function Documentation

◆ vc1_v_overlap_c()

◆ vc1_h_overlap_c()

◆ vc1_v_s_overlap_c()

◆ vc1_h_s_overlap_c()

◆ vc1_filter_line()

◆ vc1_loop_filter()

◆ vc1_v_loop_filter4_c()

◆ vc1_h_loop_filter4_c()

◆ vc1_v_loop_filter8_c()

◆ vc1_h_loop_filter8_c()

◆ vc1_v_loop_filter16_c()

◆ vc1_h_loop_filter16_c()

◆ vc1_inv_trans_8x8_dc_c()

◆ vc1_inv_trans_8x8_c()

◆ vc1_inv_trans_8x4_dc_c()

◆ vc1_inv_trans_8x4_c()

◆ vc1_inv_trans_4x8_dc_c()

◆ vc1_inv_trans_4x8_c()

◆ vc1_inv_trans_4x4_dc_c()

◆ vc1_inv_trans_4x4_c()

◆ vc1_mspel_filter()

◆ put_no_rnd_vc1_chroma_mc8_c()

◆ put_no_rnd_vc1_chroma_mc4_c()

◆ avg_no_rnd_vc1_chroma_mc8_c()

◆ avg_no_rnd_vc1_chroma_mc4_c()

◆ ff_vc1dsp_init()