hevc_deblock.c File Reference

#include <string.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/macros.h"
#include "libavutil/mem_internal.h"
#include "libavcodec/hevc/dsp.h"
#include "checkasm.h"

Go to the source code of this file.

Macros
#define	SIZEOF_PIXEL   ((bit_depth + 7) / 8)
#define	BUF_STRIDE   (16 * 2)
#define	BUF_LINES   (16)
#define	BUF_OFFSET   (2 * BUF_STRIDE * BUF_LINES)
#define	BUF_SIZE   (2 * BUF_STRIDE * BUF_LINES + BUF_OFFSET * 2)
#define	randomize_buffers(buf0, buf1, size)
#define	P3   buf[-4 * xstride]
#define	P2   buf[-3 * xstride]
#define	P1   buf[-2 * xstride]
#define	P0   buf[-1 * xstride]
#define	Q0   buf[0 * xstride]
#define	Q1   buf[1 * xstride]
#define	Q2   buf[2 * xstride]
#define	Q3   buf[3 * xstride]
#define	TC25(x)   ((tc[x] * 5 + 1) >> 1)
#define	MASK(x)   (uint16_t)(x & ((1 << (bit_depth)) - 1))
#define	GET(x)   ((SIZEOF_PIXEL == 1) ? *(uint8_t*)(&x) : *(uint16_t*)(&x))
#define	SET(x, y)
#define	RANDCLIP(x, diff)

Functions
static void	check_deblock_chroma (HEVCDSPContext *h, int bit_depth, int c)
static void	randomize_luma_buffers (int type, int *beta, int32_t tc[2], uint8_t *buf, ptrdiff_t xstride, ptrdiff_t ystride, int bit_depth)
static void	check_deblock_luma (HEVCDSPContext *h, int bit_depth, int c)
void	checkasm_check_hevc_deblock (void)

Variables
static const uint32_t	pixel_mask [3] = { 0xffffffff, 0x03ff03ff, 0x0fff0fff }

Macro Definition Documentation

SIZEOF_PIXEL

#define SIZEOF_PIXEL   ((bit_depth + 7) / 8)

Definition at line 31 of file hevc_deblock.c.

BUF_STRIDE

#define BUF_STRIDE   (16 * 2)

Definition at line 32 of file hevc_deblock.c.

BUF_LINES

#define BUF_LINES   (16)

Definition at line 33 of file hevc_deblock.c.

BUF_OFFSET

#define BUF_OFFSET   (2 * BUF_STRIDE * BUF_LINES)

Definition at line 35 of file hevc_deblock.c.

BUF_SIZE

#define BUF_SIZE   (2 * BUF_STRIDE * BUF_LINES + BUF_OFFSET * 2)

Definition at line 36 of file hevc_deblock.c.

randomize_buffers

#define randomize_buffers	(		buf0,
			buf1,
			size
	)

Value:

    do {                                                    \
        uint32_t mask = pixel_mask[(bit_depth - 8) >> 1];   \
        int k;                                              \
        for (k = 0; k < size; k += 4) {                     \
            uint32_t r = rnd() & mask;                      \
            AV_WN32A(buf0 + k, r);                          \
            AV_WN32A(buf1 + k, r);                          \
        }                                                   \
    } while (0)

Definition at line 38 of file hevc_deblock.c.

P3

#define P3   buf[-4 * xstride]

Definition at line 88 of file hevc_deblock.c.

P2

#define P2   buf[-3 * xstride]

Definition at line 89 of file hevc_deblock.c.

P1

#define P1   buf[-2 * xstride]

Definition at line 90 of file hevc_deblock.c.

P0

#define P0   buf[-1 * xstride]

Definition at line 91 of file hevc_deblock.c.

Q0

#define Q0   buf[0 * xstride]

Definition at line 92 of file hevc_deblock.c.

Q1

#define Q1   buf[1 * xstride]

Definition at line 93 of file hevc_deblock.c.

Q2

#define Q2   buf[2 * xstride]

Definition at line 94 of file hevc_deblock.c.

Q3

#define Q3   buf[3 * xstride]

Definition at line 95 of file hevc_deblock.c.

TC25

#define TC25

(

x

)

((tc[x] * 5 + 1) >> 1)

Definition at line 97 of file hevc_deblock.c.

MASK

#define MASK

(

x

)

(uint16_t)(x & ((1 << (bit_depth)) - 1))

Definition at line 98 of file hevc_deblock.c.

GET

#define GET

(

x

)

((SIZEOF_PIXEL == 1) ? *(uint8_t*)(&x) : *(uint16_t*)(&x))

Definition at line 99 of file hevc_deblock.c.

SET

#define SET	(		x,
			y
	)

Value:

    do { \
    uint16_t z = MASK(y); \
    if (SIZEOF_PIXEL == 1) \
        *(uint8_t*)(&x) = z; \
    else \
        *(uint16_t*)(&x) = z; \
} while (0)

Definition at line 100 of file hevc_deblock.c.

RANDCLIP

#define RANDCLIP	(		x,
			diff
	)

Value:

    av_clip(GET(x) - (diff), 0, \
    (1 << (bit_depth)) - 1) + rnd() % FFMAX(2 * (diff), 1)

Definition at line 107 of file hevc_deblock.c.

Function Documentation

check_deblock_chroma()

static void check_deblock_chroma ( HEVCDSPContext *  h, int  bit_depth, int  c  )

static

Definition at line 49 of file hevc_deblock.c.

Referenced by checkasm_check_hevc_deblock().

randomize_luma_buffers()

static void randomize_luma_buffers ( int  type, int *  beta, int32_t  tc[2], uint8_t *  buf, ptrdiff_t  xstride, ptrdiff_t  ystride, int  bit_depth  )

static

Definition at line 118 of file hevc_deblock.c.

Referenced by check_deblock_luma().

check_deblock_luma()

static void check_deblock_luma ( HEVCDSPContext *  h, int  bit_depth, int  c  )

static

Definition at line 217 of file hevc_deblock.c.

Referenced by checkasm_check_hevc_deblock().

checkasm_check_hevc_deblock()

void checkasm_check_hevc_deblock

(

void

)

Definition at line 264 of file hevc_deblock.c.

Variable Documentation

pixel_mask

const uint32_t pixel_mask[3] = { 0xffffffff, 0x03ff03ff, 0x0fff0fff }

static

Definition at line 29 of file hevc_deblock.c.