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authorMichael Niedermayer <michaelni@gmx.at>2012-11-12 01:34:44 +0100
committerMartin Storsjö <martin@martin.st>2013-05-15 11:39:36 +0300
commit19673db34aa0fb014a07cb3e72970c1c0aeeeac1 (patch)
tree8af45caaf26075d70972467f5e2acb4e1b6fed9c /libavcodec/vc1dec.c
parent012b319d9147c18e6148003052b147722d11fe6e (diff)
vc1dec: Factorize srcU/V offseting
Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavcodec/vc1dec.c')
-rw-r--r--libavcodec/vc1dec.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index b07214ad6f..838ebee7a3 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -846,21 +846,24 @@ static void vc1_mc_4mv_chroma(VC1Context *v, int dir)
if (!dir) {
if (v->field_mode) {
if ((v->cur_field_type != chroma_ref_type) && v->cur_field_type) {
- srcU = s->current_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
- srcV = s->current_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcU = s->current_picture.f.data[1];
+ srcV = s->current_picture.f.data[2];
} else {
- srcU = s->last_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
- srcV = s->last_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcU = s->last_picture.f.data[1];
+ srcV = s->last_picture.f.data[2];
}
} else {
- srcU = s->last_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
- srcV = s->last_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcU = s->last_picture.f.data[1];
+ srcV = s->last_picture.f.data[2];
}
} else {
- srcU = s->next_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
- srcV = s->next_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcU = s->next_picture.f.data[1];
+ srcV = s->next_picture.f.data[2];
}
+ srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
+
if (v->field_mode) {
if (chroma_ref_type) {
srcU += s->current_picture_ptr->f.linesize[1];