#include "internal.h"
#include "avcodec.h"
#include "h264.h"
#include <assert.h>
Go to the source code of this file.
Defines | |
| #define | SET_DIAG_MV(MV_OP, REF_OP, XY, Y4) |
| #define | FIX_MV_MBAFF(type, refn, mvn, idx) |
| #define | MAP_MVS |
| #define | MAP_F2F(idx, mb_type) |
| #define | MAP_F2F(idx, mb_type) |
Functions | |
| static av_always_inline int | fetch_diagonal_mv (H264Context *h, const int16_t **C, int i, int list, int part_width) |
| static av_always_inline void | pred_motion (H264Context *const h, int n, int part_width, int list, int ref, int *const mx, int *const my) |
| gets the predicted MV. | |
| static av_always_inline void | pred_16x8_motion (H264Context *const h, int n, int list, int ref, int *const mx, int *const my) |
| gets the directionally predicted 16x8 MV. | |
| static av_always_inline void | pred_8x16_motion (H264Context *const h, int n, int list, int ref, int *const mx, int *const my) |
| gets the directionally predicted 8x16 MV. | |
| static av_always_inline void | pred_pskip_motion (H264Context *const h) |
| static void | fill_decode_neighbors (H264Context *h, int mb_type) |
| static void | fill_decode_caches (H264Context *h, int mb_type) |
| static void av_unused | decode_mb_skip (H264Context *h) |
| decodes a P_SKIP or B_SKIP macroblock | |
Definition in file h264_mvpred.h.
| #define FIX_MV_MBAFF | ( | type, | |||
| refn, | |||||
| mvn, | |||||
| idx | ) |
Value:
if(FRAME_MBAFF){\ if(MB_FIELD){\ if(!IS_INTERLACED(type)){\ refn <<= 1;\ AV_COPY32(mvbuf[idx], mvn);\ mvbuf[idx][1] /= 2;\ mvn = mvbuf[idx];\ }\ }else{\ if(IS_INTERLACED(type)){\ refn >>= 1;\ AV_COPY32(mvbuf[idx], mvn);\ mvbuf[idx][1] <<= 1;\ mvn = mvbuf[idx];\ }\ }\ }
Definition at line 216 of file h264_mvpred.h.
Referenced by pred_pskip_motion().
| #define MAP_F2F | ( | idx, | |||
| mb_type | ) |
Value:
if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\ h->ref_cache[list][idx] >>= 1;\ h->mv_cache[list][idx][1] <<= 1;\ h->mvd_cache[list][idx][1] <<= 1;\ }
| #define MAP_F2F | ( | idx, | |||
| mb_type | ) |
Value:
if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\ h->ref_cache[list][idx] <<= 1;\ h->mv_cache[list][idx][1] /= 2;\ h->mvd_cache[list][idx][1] >>=1;\ }
| #define MAP_MVS |
Value:
MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\ MAP_F2F(scan8[0] + 0 - 1*8, top_type)\ MAP_F2F(scan8[0] + 1 - 1*8, top_type)\ MAP_F2F(scan8[0] + 2 - 1*8, top_type)\ MAP_F2F(scan8[0] + 3 - 1*8, top_type)\ MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\ MAP_F2F(scan8[0] - 1 + 0*8, left_type[LTOP])\ MAP_F2F(scan8[0] - 1 + 1*8, left_type[LTOP])\ MAP_F2F(scan8[0] - 1 + 2*8, left_type[LBOT])\ MAP_F2F(scan8[0] - 1 + 3*8, left_type[LBOT])
Referenced by fill_decode_caches().
| #define SET_DIAG_MV | ( | MV_OP, | |||
| REF_OP, | |||||
| XY, | |||||
| Y4 | ) |
Value:
const int xy = XY, y4 = Y4;\ const int mb_type = mb_types[xy+(y4>>2)*s->mb_stride];\ if(!USES_LIST(mb_type,list))\ return LIST_NOT_USED;\ mv = s->current_picture_ptr->f.motion_val[list][h->mb2b_xy[xy] + 3 + y4*h->b_stride];\ h->mv_cache[list][scan8[0]-2][0] = mv[0];\ h->mv_cache[list][scan8[0]-2][1] = mv[1] MV_OP;\ return s->current_picture_ptr->f.ref_index[list][4*xy + 1 + (y4 & ~1)] REF_OP;
Referenced by fetch_diagonal_mv().
| static void av_unused decode_mb_skip | ( | H264Context * | h | ) | [static] |
decodes a P_SKIP or B_SKIP macroblock
Definition at line 756 of file h264_mvpred.h.
Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().
| static av_always_inline int fetch_diagonal_mv | ( | H264Context * | h, | |
| const int16_t ** | C, | |||
| int | i, | |||
| int | list, | |||
| int | part_width | |||
| ) | [static] |
| static void fill_decode_caches | ( | H264Context * | h, | |
| int | mb_type | |||
| ) | [static] |
Definition at line 412 of file h264_mvpred.h.
Referenced by decode_mb_skip(), ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().
| static void fill_decode_neighbors | ( | H264Context * | h, | |
| int | mb_type | |||
| ) | [static] |
Definition at line 330 of file h264_mvpred.h.
Referenced by decode_mb_skip(), ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().
| static av_always_inline void pred_16x8_motion | ( | H264Context *const | h, | |
| int | n, | |||
| int | list, | |||
| int | ref, | |||
| int *const | mx, | |||
| int *const | my | |||
| ) | [static] |
gets the directionally predicted 16x8 MV.
| n | the block index | |
| mx | the x component of the predicted motion vector | |
| my | the y component of the predicted motion vector |
Definition at line 150 of file h264_mvpred.h.
Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().
| static av_always_inline void pred_8x16_motion | ( | H264Context *const | h, | |
| int | n, | |||
| int | list, | |||
| int | ref, | |||
| int *const | mx, | |||
| int *const | my | |||
| ) | [static] |
gets the directionally predicted 8x16 MV.
| n | the block index | |
| mx | the x component of the predicted motion vector | |
| my | the y component of the predicted motion vector |
Definition at line 185 of file h264_mvpred.h.
Referenced by ff_h264_decode_mb_cabac(), and ff_h264_decode_mb_cavlc().
| static av_always_inline void pred_motion | ( | H264Context *const | h, | |
| int | n, | |||
| int | part_width, | |||
| int | list, | |||
| int | ref, | |||
| int *const | mx, | |||
| int *const | my | |||
| ) | [static] |
gets the predicted MV.
| n | the block index | |
| part_width | the width of the partition (4, 8,16) -> (1, 2, 4) | |
| mx | the x component of the predicted motion vector | |
| my | the y component of the predicted motion vector |
Definition at line 95 of file h264_mvpred.h.
Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), pred_16x8_motion(), pred_8x16_motion(), and svq3_mc_dir().
| static av_always_inline void pred_pskip_motion | ( | H264Context *const | h | ) | [static] |
1.5.8