mpegvideo: fix position of bottom edge.

It was wrong in colorspaces where horizontal and vertical chroma
subsampling are not the same, e.g. 422.
(cherry picked from commit 0884dd5a1b)

Conflicts:

	libavcodec/mpegvideo.c

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Ronald S. Bultje
2011-10-03 07:37:24 -07:00
committed by Reinhard Tartler
parent ea311af23d
commit bb7fd94eeb

View File

@@ -2294,12 +2294,15 @@ void ff_draw_horiz_band(MpegEncContext *s, int y, int h){
edge_h= FFMIN(h, s->v_edge_pos - y);
s->dsp.draw_edges(s->current_picture_ptr->data[0] + y *s->linesize , s->linesize,
s->h_edge_pos , edge_h , EDGE_WIDTH , EDGE_WIDTH , sides);
s->dsp.draw_edges(s->current_picture_ptr->data[1] + (y>>vshift)*s->uvlinesize, s->uvlinesize,
s->h_edge_pos>>hshift, edge_h>>hshift, EDGE_WIDTH>>hshift, EDGE_WIDTH>>vshift, sides);
s->dsp.draw_edges(s->current_picture_ptr->data[2] + (y>>vshift)*s->uvlinesize, s->uvlinesize,
s->h_edge_pos>>hshift, edge_h>>hshift, EDGE_WIDTH>>hshift, EDGE_WIDTH>>vshift, sides);
s->dsp.draw_edges(s->current_picture_ptr->data[0] + y *s->linesize,
s->linesize, s->h_edge_pos, edge_h,
EDGE_WIDTH, EDGE_WIDTH, sides);
s->dsp.draw_edges(s->current_picture_ptr->data[1] + (y>>vshift)*s->uvlinesize,
s->uvlinesize, s->h_edge_pos>>hshift, edge_h>>vshift,
EDGE_WIDTH>>hshift, EDGE_WIDTH>>vshift, sides);
s->dsp.draw_edges(s->current_picture_ptr->data[2] + (y>>vshift)*s->uvlinesize,
s->uvlinesize, s->h_edge_pos>>hshift, edge_h>>vshift,
EDGE_WIDTH>>hshift, EDGE_WIDTH>>vshift, sides);
}
h= FFMIN(h, s->avctx->height - y);