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ffmpeg.wasm-core
Commit 72e5d919 authored by Michael Niedermayer's avatar Michael Niedermayer
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vc1dec: factorize picture pointer selection code 

Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 3fdd0979
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Showing with 11 additions and 26 deletions
libavcodec/vc1dec.c
View file @ 72e5d919
...@@ -384,32 +384,20 @@ static void vc1_mc_1mv(VC1Context *v, int dir) ...@@ -384,32 +384,20 @@ static void vc1_mc_1mv(VC1Context *v, int dir)
uvmx = uvmx + ((uvmx < 0) ? (uvmx & 1) : -(uvmx & 1)); uvmx = uvmx + ((uvmx < 0) ? (uvmx & 1) : -(uvmx & 1));
uvmy = uvmy + ((uvmy < 0) ? (uvmy & 1) : -(uvmy & 1)); uvmy = uvmy + ((uvmy < 0) ? (uvmy & 1) : -(uvmy & 1));
} }
if (v->field_mode) { // interlaced field picture if (!dir) {
if (!dir) { if (v->field_mode && (v->cur_field_type != v->ref_field_type[dir]) && v->second_field) {
if ((v->cur_field_type != v->ref_field_type[dir]) && v->second_field) { srcY = s->current_picture.f.data[0];
srcY = s->current_picture.f.data[0]; srcU = s->current_picture.f.data[1];
srcU = s->current_picture.f.data[1]; srcV = s->current_picture.f.data[2];
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];
}
} else { } 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]; srcY = s->last_picture.f.data[0];
srcU = s->last_picture.f.data[1]; srcU = s->last_picture.f.data[1];
srcV = s->last_picture.f.data[2]; 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) if(!srcY)
...@@ -574,11 +562,8 @@ static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg) ...@@ -574,11 +562,8 @@ static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
my = s->mv[dir][n][1]; my = s->mv[dir][n][1];
if (!dir) { if (!dir) {
if (v->field_mode) { if (v->field_mode && (v->cur_field_type != v->ref_field_type[dir]) && v->second_field) {
if ((v->cur_field_type != v->ref_field_type[dir]) && v->second_field) srcY = s->current_picture.f.data[0];
srcY = s->current_picture.f.data[0];
else
srcY = s->last_picture.f.data[0];
} else } else
srcY = s->last_picture.f.data[0]; srcY = s->last_picture.f.data[0];
} else } else
......
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