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Don't swap back un-deblocked lines for intra prediction when

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at slice boundaries for deblocking-type 2 content.

This is needed for slice based threading only and doesn't do much
good or bad otherwise.
Patch by Andreas Oman %andreas A olebyn P nu%
Original thread:
date: Jun 18, 2007 1:21 PM
subject: Re: [FFmpeg-devel] [PATCH] h264 parallelized,

Originally committed as revision 9380 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Andreas Öman 2007-06-21 07:52:06 +00:00 committed by Guillaume Poirier
parent c0ad72a787
commit b69378e295
1 changed files with 12 additions and 2 deletions
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14
libavcodec/h264.c
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@ -3024,8 +3024,18 @@ static inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_c
MpegEncContext * const s = &h->s; MpegEncContext * const s = &h->s;
int temp8, i; int temp8, i;
uint64_t temp64; uint64_t temp64;
int deblock_left = (s->mb_x > 0); int deblock_left;
int deblock_top = (s->mb_y > 0); int deblock_top;
int mb_xy;
if(h->deblocking_filter == 2) {
mb_xy = s->mb_x + s->mb_y*s->mb_stride;
deblock_left = h->slice_table[mb_xy] == h->slice_table[mb_xy - 1];
deblock_top = h->slice_table[mb_xy] == h->slice_table[h->top_mb_xy];
} else {
deblock_left = (s->mb_x > 0);
deblock_top = (s->mb_y > 0);
}
src_y -= linesize + 1; src_y -= linesize + 1;
src_cb -= uvlinesize + 1; src_cb -= uvlinesize + 1;