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h264: move dist_scale_factor[_field] into the per-slice context

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This commit is contained in:
Anton Khirnov 2015-01-17 22:28:46 +01:00
parent be69f0a800
commit ee0d774dfa
3 changed files with 11 additions and 9 deletions
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7
libavcodec/h264.h
View File

@ -359,6 +359,9 @@ typedef struct H264SliceContext {
int col_parity;
int col_fieldoff;
int dist_scale_factor[32];
int dist_scale_factor_field[2][32];
/**
* non zero coeff count cache.
* is 64 if not available.
@ -444,8 +447,6 @@ typedef struct H264Context {
int picture_structure;
int first_field;
int dist_scale_factor[32];
int dist_scale_factor_field[2][32];
int map_col_to_list0[2][16 + 32];
int map_col_to_list0_field[2][2][16 + 32];
@ -821,7 +822,7 @@ void ff_h264_init_cabac_states(H264Context *h, H264SliceContext *sl);
void h264_init_dequant_tables(H264Context *h);
void ff_h264_direct_dist_scale_factor(H264Context *const h);
void ff_h264_direct_dist_scale_factor(H264Context *const h, H264SliceContext *sl);
void ff_h264_direct_ref_list_init(H264Context *const h, H264SliceContext *sl);
void ff_h264_pred_direct_motion(H264Context *const h, H264SliceContext *sl,
int *mb_type);

11
libavcodec/h264_direct.c
View File

@ -47,7 +47,8 @@ static int get_scale_factor(H264Context *const h, int poc, int poc1, int i)
}
}
void ff_h264_direct_dist_scale_factor(H264Context *const h)
void ff_h264_direct_dist_scale_factor(H264Context *const h,
H264SliceContext *sl)
{
const int poc = FIELD_PICTURE(h) ? h->cur_pic_ptr->field_poc[h->picture_structure == PICT_BOTTOM_FIELD]
: h->cur_pic_ptr->poc;
@ -59,12 +60,12 @@ void ff_h264_direct_dist_scale_factor(H264Context *const h)
const int poc = h->cur_pic_ptr->field_poc[field];
const int poc1 = h->ref_list[1][0].field_poc[field];
for (i = 0; i < 2 * h->ref_count[0]; i++)
h->dist_scale_factor_field[field][i ^ field] =
sl->dist_scale_factor_field[field][i ^ field] =
get_scale_factor(h, poc, poc1, i + 16);
}
for (i = 0; i < h->ref_count[0]; i++)
h->dist_scale_factor[i] = get_scale_factor(h, poc, poc1, i);
sl->dist_scale_factor[i] = get_scale_factor(h, poc, poc1, i);
}
static void fill_colmap(H264Context *h, int map[2][16 + 32], int list,
@ -555,13 +556,13 @@ single_col:
{
const int *map_col_to_list0[2] = { h->map_col_to_list0[0],
h->map_col_to_list0[1] };
const int *dist_scale_factor = h->dist_scale_factor;
const int *dist_scale_factor = sl->dist_scale_factor;
int ref_offset;
if (FRAME_MBAFF(h) && IS_INTERLACED(*mb_type)) {
map_col_to_list0[0] = h->map_col_to_list0_field[h->mb_y & 1][0];
map_col_to_list0[1] = h->map_col_to_list0_field[h->mb_y & 1][1];
dist_scale_factor = h->dist_scale_factor_field[h->mb_y & 1];
dist_scale_factor = sl->dist_scale_factor_field[h->mb_y & 1];
}
ref_offset = (h->ref_list[1][0].mbaff << 4) & (mb_type_col[0] >> 3);

2
libavcodec/h264_slice.c
View File

@ -1647,7 +1647,7 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl, H264Contex
}
if (sl->slice_type_nos == AV_PICTURE_TYPE_B && !sl->direct_spatial_mv_pred)
ff_h264_direct_dist_scale_factor(h);
ff_h264_direct_dist_scale_factor(h, sl);
ff_h264_direct_ref_list_init(h, sl);
if (sl->slice_type_nos != AV_PICTURE_TYPE_I && h->pps.cabac) {