summaryrefslogtreecommitdiff
path: root/libavcodec
diff options
context:
space:
mode:
authorMichael Niedermayer <michaelni@gmx.at>2013-12-22 14:37:30 +0100
committerMichael Niedermayer <michaelni@gmx.at>2013-12-22 14:59:31 +0100
commit64b98df38910bfb921988a0be89da3038274232e (patch)
tree07b1993420d14940fbb1ded2e24f567d44409526 /libavcodec
parented5bed4152203aed8cce01a679bed67bbda8903f (diff)
vc1: simplify *_use_ic initialization
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/vc1.c16
-rw-r--r--libavcodec/vc1.h2
-rw-r--r--libavcodec/vc1dec.c6
3 files changed, 10 insertions, 14 deletions
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c
index 5391e85c09..fb33e6ffb5 100644
--- a/libavcodec/vc1.c
+++ b/libavcodec/vc1.c
@@ -596,24 +596,20 @@ static void rotate_luts(VC1Context *v)
C = A; \
} else { \
DEF; \
- memcpy(&tmp, &L , sizeof(tmp)); \
- memcpy(&L , &N , sizeof(tmp)); \
- memcpy(&N , &tmp, sizeof(tmp)); \
+ memcpy(&tmp, L , sizeof(tmp)); \
+ memcpy(L , N , sizeof(tmp)); \
+ memcpy(N , &tmp, sizeof(tmp)); \
C = N; \
} \
} while(0)
- ROTATE(int tmp, v->last_use_ic, v->next_use_ic, v->curr_use_ic, v->aux_use_ic);
+ ROTATE(int *tmp, &v->last_use_ic, &v->next_use_ic, v->curr_use_ic, &v->aux_use_ic);
ROTATE(uint8_t tmp[2][256], v->last_luty, v->next_luty, v->curr_luty, v->aux_luty);
ROTATE(uint8_t tmp[2][256], v->last_lutuv, v->next_lutuv, v->curr_lutuv, v->aux_lutuv);
INIT_LUT(32, 0, v->curr_luty[0], v->curr_lutuv[0], 0);
INIT_LUT(32, 0, v->curr_luty[1], v->curr_lutuv[1], 0);
- v->curr_use_ic = 0;
- if (v->curr_luty == v->next_luty) {
- // If we just initialized next_lut, clear next_use_ic to match.
- v->next_use_ic = 0;
- }
+ *v->curr_use_ic = 0;
}
int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
@@ -1108,7 +1104,7 @@ int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
INIT_LUT(v->lumscale2, v->lumshift2, v->curr_luty[v->cur_field_type^1], v->curr_lutuv[v->cur_field_type^1], 0);
INIT_LUT(v->lumscale , v->lumshift , v->last_luty[v->cur_field_type ], v->last_lutuv[v->cur_field_type ], 1);
}
- v->next_use_ic = v->curr_use_ic = 1;
+ v->next_use_ic = *v->curr_use_ic = 1;
} else {
INIT_LUT(v->lumscale , v->lumshift , v->last_luty[0], v->last_lutuv[0], 1);
INIT_LUT(v->lumscale2, v->lumshift2, v->last_luty[1], v->last_lutuv[1], 1);
diff --git a/libavcodec/vc1.h b/libavcodec/vc1.h
index 0d23b44353..662b58b4d9 100644
--- a/libavcodec/vc1.h
+++ b/libavcodec/vc1.h
@@ -315,7 +315,7 @@ typedef struct VC1Context{
uint8_t aux_luty[2][256], aux_lutuv[2][256]; ///< lookup tables used for intensity compensation
uint8_t next_luty[2][256], next_lutuv[2][256]; ///< lookup tables used for intensity compensation
uint8_t (*curr_luty)[256] ,(*curr_lutuv)[256];
- int last_use_ic, curr_use_ic, next_use_ic, aux_use_ic;
+ int last_use_ic, *curr_use_ic, next_use_ic, aux_use_ic;
int rnd; ///< rounding control
/** Frame decoding info for S/M profiles only */
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 50c7b2dcb3..efcb169c8f 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -377,7 +377,7 @@ static void vc1_mc_1mv(VC1Context *v, int dir)
srcV = s->current_picture.f.data[2];
luty = v->curr_luty;
lutuv = v->curr_lutuv;
- use_ic = v->curr_use_ic;
+ use_ic = *v->curr_use_ic;
} else {
srcY = s->last_picture.f.data[0];
srcU = s->last_picture.f.data[1];
@@ -571,7 +571,7 @@ static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir, int avg)
if (v->field_mode && (v->cur_field_type != v->ref_field_type[dir]) && v->second_field) {
srcY = s->current_picture.f.data[0];
luty = v->curr_luty;
- use_ic = v->curr_use_ic;
+ use_ic = *v->curr_use_ic;
} else {
srcY = s->last_picture.f.data[0];
luty = v->last_luty;
@@ -873,7 +873,7 @@ static void vc1_mc_4mv_chroma(VC1Context *v, int dir)
srcU = s->current_picture.f.data[1];
srcV = s->current_picture.f.data[2];
lutuv = v->curr_lutuv;
- use_ic = v->curr_use_ic;
+ use_ic = *v->curr_use_ic;
} else {
srcU = s->last_picture.f.data[1];
srcV = s->last_picture.f.data[2];