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vc1dec: factorize picture pointer selection code

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-04-24 14:49:31 +02:00
parent 3fdd0979ac
commit 72e5d91908
1 changed files with 11 additions and 26 deletions
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37
libavcodec/vc1dec.c
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@ -384,32 +384,20 @@ static void vc1_mc_1mv(VC1Context *v, int dir)
uvmx = uvmx + ((uvmx < 0) ? (uvmx & 1) : -(uvmx & 1));
uvmy = uvmy + ((uvmy < 0) ? (uvmy & 1) : -(uvmy & 1));
}
if (v->field_mode) { // interlaced field picture
if (!dir) {
if ((v->cur_field_type != v->ref_field_type[dir]) && v->second_field) {
srcY = s->current_picture.f.data[0];
srcU = s->current_picture.f.data[1];
srcV = s->current_picture.f.data[2];
} else {
srcY = s->last_picture.f.data[0];
srcU = s->last_picture.f.data[1];
srcV = s->last_picture.f.data[2];
}
if (!dir) {
if (v->field_mode && (v->cur_field_type != v->ref_field_type[dir]) && v->second_field) {
srcY = s->current_picture.f.data[0];
srcU = s->current_picture.f.data[1];
srcV = s->current_picture.f.data[2];
} else {
srcY = s->next_picture.f.data[0];
srcU = s->next_picture.f.data[1];
srcV = s->next_picture.f.data[2];
}
} else {
if (!dir) {
srcY = s->last_picture.f.data[0];
srcU = s->last_picture.f.data[1];
srcV = s->last_picture.f.data[2];
} else {
srcY = s->next_picture.f.data[0];
srcU = s->next_picture.f.data[1];
srcV = s->next_picture.f.data[2];
}
} else {
srcY = s->next_picture.f.data[0];
srcU = s->next_picture.f.data[1];
srcV = s->next_picture.f.data[2];
}
if(!srcY)
@ -574,11 +562,8 @@ static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
my = s->mv[dir][n][1];
if (!dir) {
if (v->field_mode) {
if ((v->cur_field_type != v->ref_field_type[dir]) && v->second_field)
srcY = s->current_picture.f.data[0];
else
srcY = s->last_picture.f.data[0];
if (v->field_mode && (v->cur_field_type != v->ref_field_type[dir]) && v->second_field) {
srcY = s->current_picture.f.data[0];
} else
srcY = s->last_picture.f.data[0];
} else