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Code Issues Releases Activity

vc1: ff_draw_horiz_band needs a one row delay when the loop filter is active

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Originally committed as revision 24205 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad 2010-07-11 22:52:47 +00:00
parent e26011d0f4
commit 3683b7e570
1 changed files with 19 additions and 3 deletions
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22
libavcodec/vc1dec.c
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@ -2680,9 +2680,15 @@ static void vc1_decode_i_blocks(VC1Context *v)
return;
}
}
ff_draw_horiz_band(s, s->mb_y * 16, 16);
if (!v->s.loop_filter)
ff_draw_horiz_band(s, s->mb_y * 16, 16);
else if (s->mb_y)
ff_draw_horiz_band(s, (s->mb_y-1) * 16, 16);
s->first_slice_line = 0;
}
if (v->s.loop_filter)
ff_draw_horiz_band(s, (s->mb_height-1)*16, 16);
ff_er_add_slice(s, 0, 0, s->mb_width - 1, s->mb_height - 1, (AC_END|DC_END|MV_END));
}
@ -2812,9 +2818,14 @@ static void vc1_decode_i_blocks_adv(VC1Context *v)
return;
}
}
ff_draw_horiz_band(s, s->mb_y * 16, 16);
if (!v->s.loop_filter)
ff_draw_horiz_band(s, s->mb_y * 16, 16);
else if (s->mb_y)
ff_draw_horiz_band(s, (s->mb_y-1) * 16, 16);
s->first_slice_line = 0;
}
if (v->s.loop_filter)
ff_draw_horiz_band(s, (s->mb_height-1)*16, 16);
ff_er_add_slice(s, 0, 0, s->mb_width - 1, s->mb_height - 1, (AC_END|DC_END|MV_END));
}
@ -2913,9 +2924,14 @@ static void vc1_decode_b_blocks(VC1Context *v)
}
if(v->s.loop_filter) vc1_loop_filter_iblk(s, v->pq);
}
ff_draw_horiz_band(s, s->mb_y * 16, 16);
if (!v->s.loop_filter)
ff_draw_horiz_band(s, s->mb_y * 16, 16);
else if (s->mb_y)
ff_draw_horiz_band(s, (s->mb_y-1) * 16, 16);
s->first_slice_line = 0;
}
if (v->s.loop_filter)
ff_draw_horiz_band(s, (s->mb_height-1)*16, 16);
ff_er_add_slice(s, 0, 0, s->mb_width - 1, s->mb_height - 1, (AC_END|DC_END|MV_END));
}