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Xiph.Org
aom-rav1e
Commits
38e6cb8c
Commit
38e6cb8c
authored
Nov 14, 2013
by
Dmitry Kovalev
Committed by
Gerrit Code Review
Nov 14, 2013
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Merge "Cleaning up vp9_tile_common.{h, c} files."
parents
38144ed8
f91ac9b4
Changes
2
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2 changed files
with
25 additions
and
34 deletions
+25
-34
vp9/common/vp9_tile_common.c
vp9/common/vp9_tile_common.c
+23
-32
vp9/common/vp9_tile_common.h
vp9/common/vp9_tile_common.h
+2
-2
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vp9/common/vp9_tile_common.c
View file @
38e6cb8c
...
...
@@ -15,46 +15,37 @@
#define MIN_TILE_WIDTH_B64 4
#define MAX_TILE_WIDTH_B64 64
static
int
to_sbs
(
n_mis
)
{
return
mi_cols_aligned_to_sb
(
n_mis
)
>>
MI_BLOCK_SIZE_LOG2
;
static
int
get_tile_offset
(
int
idx
,
int
mis
,
int
log2
)
{
const
int
sb_cols
=
mi_cols_aligned_to_sb
(
mis
)
>>
MI_BLOCK_SIZE_LOG2
;
const
int
offset
=
((
idx
*
sb_cols
)
>>
log2
)
<<
MI_BLOCK_SIZE_LOG2
;
return
MIN
(
offset
,
mis
);
}
static
void
get_tile_offsets
(
int
*
min_tile_off
,
int
*
max_tile_off
,
int
tile_idx
,
int
log2_n_tiles
,
int
n_mis
)
{
const
int
n_sbs
=
to_sbs
(
n_mis
);
const
int
sb_off1
=
(
tile_idx
*
n_sbs
)
>>
log2_n_tiles
;
const
int
sb_off2
=
((
tile_idx
+
1
)
*
n_sbs
)
>>
log2_n_tiles
;
*
min_tile_off
=
MIN
(
sb_off1
<<
3
,
n_mis
);
*
max_tile_off
=
MIN
(
sb_off2
<<
3
,
n_mis
);
}
void
vp9_tile_init
(
TileInfo
*
tile
,
const
VP9_COMMON
*
cm
,
int
row_idx
,
int
col_idx
)
{
get_tile_offsets
(
&
tile
->
mi_row_start
,
&
tile
->
mi_row_end
,
row_idx
,
cm
->
log2_tile_rows
,
cm
->
mi_rows
);
get_tile_offsets
(
&
tile
->
mi_col_start
,
&
tile
->
mi_col_end
,
col_idx
,
cm
->
log2_tile_cols
,
cm
->
mi_cols
);
void
vp9_tile_init
(
TileInfo
*
tile
,
const
VP9_COMMON
*
cm
,
int
row
,
int
col
)
{
tile
->
mi_row_start
=
get_tile_offset
(
row
,
cm
->
mi_rows
,
cm
->
log2_tile_rows
);
tile
->
mi_row_end
=
get_tile_offset
(
row
+
1
,
cm
->
mi_rows
,
cm
->
log2_tile_rows
);
tile
->
mi_col_start
=
get_tile_offset
(
col
,
cm
->
mi_cols
,
cm
->
log2_tile_cols
);
tile
->
mi_col_end
=
get_tile_offset
(
col
+
1
,
cm
->
mi_cols
,
cm
->
log2_tile_cols
);
}
void
vp9_get_tile_n_bits
(
int
mi_cols
,
int
*
min_log2_tile_cols
,
int
*
max_log2_tile_cols
)
{
const
int
sb_cols
=
to_sbs
(
mi_cols
)
;
int
min_log2
_n_tiles
,
max_log2_n_tiles
;
const
int
sb_cols
=
mi_cols_aligned_to_sb
(
mi_cols
)
>>
MI_BLOCK_SIZE_LOG2
;
int
min_log2
=
0
,
max_log2
=
0
;
for
(
max_log2_n_tiles
=
0
;
(
sb_cols
>>
max_log2_n_tiles
)
>=
MIN_TILE_WIDTH_B64
;
max_log2_n_tiles
++
)
{}
max_log2_n_tiles
--
;
if
(
max_log2
_n_tiles
<
0
)
max_log2
_n_tiles
=
0
;
// max
while
((
sb_cols
>>
max_log2
)
>=
MIN_TILE_WIDTH_B64
)
++
max_log2
;
--
max_log2
;
if
(
max_log2
<
0
)
max_log2
=
0
;
for
(
min_log2_n_tiles
=
0
;
(
MAX_TILE_WIDTH_B64
<<
min_log2_n_tiles
)
<
sb_cols
;
min_log2_n_tiles
++
)
{}
// min
while
((
MAX_TILE_WIDTH_B64
<<
min_log2
)
<
sb_cols
)
++
min_log2
;
assert
(
min_log2
_n_tiles
<=
max_log2_n_tiles
);
assert
(
min_log2
<=
max_log2
);
*
min_log2_tile_cols
=
min_log2
_n_tiles
;
*
max_log2_tile_cols
=
max_log2
_n_tiles
;
*
min_log2_tile_cols
=
min_log2
;
*
max_log2_tile_cols
=
max_log2
;
}
vp9/common/vp9_tile_common.h
View file @
38e6cb8c
...
...
@@ -18,10 +18,10 @@ typedef struct TileInfo {
int
mi_col_start
,
mi_col_end
;
}
TileInfo
;
// initializes 'tile->mi_(row|col)_(start|end)' for (row
_idx, col_idx
) based on
// initializes 'tile->mi_(row|col)_(start|end)' for (row
, col
) based on
// 'cm->log2_tile_(rows|cols)' & 'cm->mi_(rows|cols)'
void
vp9_tile_init
(
TileInfo
*
tile
,
const
struct
VP9Common
*
cm
,
int
row
_idx
,
int
col_idx
);
int
row
,
int
col
);
void
vp9_get_tile_n_bits
(
int
mi_cols
,
int
*
min_log2_tile_cols
,
int
*
max_log2_tile_cols
);
...
...
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