h264_mb.c File Reference

H.264 / AVC / MPEG-4 part10 macroblock decoding. More...

#include <stdint.h>
#include "config.h"
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "h264dec.h"
#include "h264_ps.h"
#include "qpeldsp.h"
#include "thread.h"
#include "h264_mb_template.c"

Go to the source code of this file.

Macros
#define	XCHG(a, b, xchg)
#define	BITS   8
#define	SIMPLE   1
#define	BITS   16
#define	SIMPLE   0

Functions
static int	get_lowest_part_list_y (H264SliceContext *sl, int n, int height, int y_offset, int list)
static void	get_lowest_part_y (const H264Context *h, H264SliceContext *sl, int16_t refs[2][48], int n, int height, int y_offset, int list0, int list1, int *nrefs)
static void	await_references (const H264Context *h, H264SliceContext *sl)
	Wait until all reference frames are available for MC operations. More...
static av_always_inline void	mc_dir_part (const H264Context *h, H264SliceContext *sl, H264Ref *pic, int n, int square, int height, int delta, int list, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int src_x_offset, int src_y_offset, const qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op, int pixel_shift, int chroma_idc)
static av_always_inline void	mc_part_std (const H264Context *h, H264SliceContext *sl, int n, int square, int height, int delta, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int x_offset, int y_offset, const qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put, const qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg, int list0, int list1, int pixel_shift, int chroma_idc)
static av_always_inline void	mc_part_weighted (const H264Context *h, H264SliceContext *sl, int n, int square, int height, int delta, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int x_offset, int y_offset, const qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put, h264_weight_func luma_weight_op, h264_weight_func chroma_weight_op, h264_biweight_func luma_weight_avg, h264_biweight_func chroma_weight_avg, int list0, int list1, int pixel_shift, int chroma_idc)
static av_always_inline void	prefetch_motion (const H264Context *h, H264SliceContext *sl, int list, int pixel_shift, int chroma_idc)
static av_always_inline void	xchg_mb_border (const H264Context *h, H264SliceContext *sl, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg, int chroma444, int simple, int pixel_shift)
static av_always_inline int	dctcoef_get (int16_t *mb, int high_bit_depth, int index)
static av_always_inline void	dctcoef_set (int16_t *mb, int high_bit_depth, int index, int value)
static av_always_inline void	hl_decode_mb_predict_luma (const H264Context *h, H264SliceContext *sl, int mb_type, int simple, int transform_bypass, int pixel_shift, const int *block_offset, int linesize, uint8_t *dest_y, int p)
static av_always_inline void	hl_decode_mb_idct_luma (const H264Context *h, H264SliceContext *sl, int mb_type, int simple, int transform_bypass, int pixel_shift, const int *block_offset, int linesize, uint8_t *dest_y, int p)
void	ff_h264_hl_decode_mb (const H264Context *h, H264SliceContext *sl)

Detailed Description

H.264 / AVC / MPEG-4 part10 macroblock decoding.

Definition in file h264_mb.c.

Macro Definition Documentation

XCHG

#define XCHG	(		a,
			b,
			xchg
	)

Value:

if (pixel_shift) {                          \
        if (xchg) {                             \
            AV_SWAP64(b + 0, a + 0);            \
            AV_SWAP64(b + 8, a + 8);            \
        } else {                                \
            AV_COPY128(b, a);                   \
        }                                       \
    } else if (xchg)                            \
        AV_SWAP64(b, a);                        \
    else                                        \
        AV_COPY64(b, a);

Referenced by xchg_mb_border().

BITS [1/2]

#define BITS   8

Definition at line 792 of file h264_mb.c.

SIMPLE [1/2]

#define SIMPLE   1

Definition at line 796 of file h264_mb.c.

Referenced by hl_decode_mb(), and hl_decode_mb_444().

BITS [2/2]

#define BITS   16

Definition at line 792 of file h264_mb.c.

SIMPLE [2/2]

#define SIMPLE   0

Definition at line 796 of file h264_mb.c.

Function Documentation

get_lowest_part_list_y()

static int get_lowest_part_list_y ( H264SliceContext *  sl, int  n, int  height, int  y_offset, int  list  )

inlinestatic

Definition at line 39 of file h264_mb.c.

Referenced by get_lowest_part_y().

get_lowest_part_y()

static void get_lowest_part_y ( const H264Context *  h, H264SliceContext *  sl, int16_t  refs[2][48], int  n, int  height, int  y_offset, int  list0, int  list1, int *  nrefs  )

inlinestatic

Definition at line 52 of file h264_mb.c.

Referenced by await_references().

await_references()

static void await_references ( const H264Context *  h, H264SliceContext *  sl  )

static

Wait until all reference frames are available for MC operations.

Parameters

h	the H.264 context

Definition at line 96 of file h264_mb.c.

Referenced by hl_motion().

mc_dir_part()

static av_always_inline void mc_dir_part ( const H264Context *  h, H264SliceContext *  sl, H264Ref *  pic, int  n, int  square, int  height, int  delta, int  list, uint8_t *  dest_y, uint8_t *  dest_cb, uint8_t *  dest_cr, int  src_x_offset, int  src_y_offset, const qpel_mc_func *  qpix_op, h264_chroma_mc_func  chroma_op, int  pixel_shift, int  chroma_idc  )

static

Definition at line 205 of file h264_mb.c.

Referenced by mc_part_std(), and mc_part_weighted().

mc_part_std()

static av_always_inline void mc_part_std ( const H264Context *  h, H264SliceContext *  sl, int  n, int  square, int  height, int  delta, uint8_t *  dest_y, uint8_t *  dest_cb, uint8_t *  dest_cr, int  x_offset, int  y_offset, const qpel_mc_func *  qpix_put, h264_chroma_mc_func  chroma_put, const qpel_mc_func *  qpix_avg, h264_chroma_mc_func  chroma_avg, int  list0, int  list1, int  pixel_shift, int  chroma_idc  )

static

Definition at line 321 of file h264_mb.c.

mc_part_weighted()

static av_always_inline void mc_part_weighted ( const H264Context *  h, H264SliceContext *  sl, int  n, int  square, int  height, int  delta, uint8_t *  dest_y, uint8_t *  dest_cb, uint8_t *  dest_cr, int  x_offset, int  y_offset, const qpel_mc_func *  qpix_put, h264_chroma_mc_func  chroma_put, h264_weight_func  luma_weight_op, h264_weight_func  chroma_weight_op, h264_biweight_func  luma_weight_avg, h264_biweight_func  chroma_weight_avg, int  list0, int  list1, int  pixel_shift, int  chroma_idc  )

static

Definition at line 369 of file h264_mb.c.

Referenced by mc_part().

prefetch_motion()

static av_always_inline void prefetch_motion ( const H264Context *  h, H264SliceContext *  sl, int  list, int  pixel_shift, int  chroma_idc  )

static

Definition at line 483 of file h264_mb.c.

Referenced by hl_motion().

xchg_mb_border()

static av_always_inline void xchg_mb_border ( const H264Context *  h, H264SliceContext *  sl, uint8_t *  src_y, uint8_t *  src_cb, uint8_t *  src_cr, int  linesize, int  uvlinesize, int  xchg, int  chroma444, int  simple, int  pixel_shift  )

static

Definition at line 508 of file h264_mb.c.

Referenced by hl_decode_mb(), and hl_decode_mb_444().

dctcoef_get()

static av_always_inline int dctcoef_get ( int16_t *  mb, int  high_bit_depth, int  index  )

static

Definition at line 595 of file h264_mb.c.

Referenced by hl_decode_mb(), hl_decode_mb_idct_luma(), and hl_decode_mb_predict_luma().

dctcoef_set()

static av_always_inline void dctcoef_set ( int16_t *  mb, int  high_bit_depth, int  index, int  value  )

static

Definition at line 604 of file h264_mb.c.

Referenced by hl_decode_mb_predict_luma().

hl_decode_mb_predict_luma()

static av_always_inline void hl_decode_mb_predict_luma ( const H264Context *  h, H264SliceContext *  sl, int  mb_type, int  simple, int  transform_bypass, int  pixel_shift, const int *  block_offset, int  linesize, uint8_t *  dest_y, int  p  )

static

Definition at line 613 of file h264_mb.c.

Referenced by hl_decode_mb(), and hl_decode_mb_444().

hl_decode_mb_idct_luma()

static av_always_inline void hl_decode_mb_idct_luma ( const H264Context *  h, H264SliceContext *  sl, int  mb_type, int  simple, int  transform_bypass, int  pixel_shift, const int *  block_offset, int  linesize, uint8_t *  dest_y, int  p  )

static

Definition at line 727 of file h264_mb.c.

Referenced by hl_decode_mb(), and hl_decode_mb_444().

ff_h264_hl_decode_mb()

void ff_h264_hl_decode_mb	(	const H264Context *	h,
		H264SliceContext *	sl
	)

Definition at line 799 of file h264_mb.c.

Referenced by decode_slice(), and h264_er_decode_mb().