ffmpeg/FFmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-09-19 21:06:42 +00:00
Code Issues Packages Projects Releases Wiki Activity

hevc/intra_pred: simplify neighboring sample derivation

Browse Source
This commit is contained in:
Anton Khirnov 2014-05-17 22:30:42 +02:00
parent 25bb7eaf9e
commit c9f8809ee4
1 changed files with 7 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
libavcodec/hevcpred_template.c
View File

@ -159,10 +159,10 @@ do { \
}
}
if (cand_bottom_left) {
for (i = size + bottom_left_size; i < (size << 1); i++)
left[i] = POS(-1, size + bottom_left_size - 1);
for (i = size + bottom_left_size - 1; i >= size; i--)
for (i = size; i < size + bottom_left_size; i++)
left[i] = POS(-1, i);
EXTEND(left + size + bottom_left_size, POS(-1, size + bottom_left_size - 1),
size - bottom_left_size);
}
if (cand_left)
for (i = size - 1; i >= 0; i--)
@ -172,13 +172,11 @@ do { \
top[-1] = left[-1];
}
if (cand_up)
for (i = size - 1; i >= 0; i--)
top[i] = POS(i, -1);
memcpy(top, src - stride, size * sizeof(pixel));
if (cand_up_right) {
for (i = size + top_right_size; i < (size << 1); i++)
top[i] = POS(size + top_right_size - 1, -1);
for (i = size + top_right_size - 1; i >= size; i--)
top[i] = POS(i, -1);
memcpy(top + size, src - stride + size, size * sizeof(pixel));
EXTEND(top + size + top_right_size, POS(size + top_right_size - 1, -1),
size - top_right_size);
}
if (s->pps->constrained_intra_pred_flag == 1) {