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Stefan Westerfeld
ffmpeg
Commits
ec440339
Commit
ec440339
authored
Oct 30, 2018
by
James Almer
Browse files
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Plain Diff
avcodec/cbs_vp9: keep track of reference frames
Signed-off-by:
James Almer
<
jamrial@gmail.com
>
parent
edcdf351
Changes
2
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2 changed files
with
72 additions
and
4 deletions
+72
-4
cbs_vp9.h
libavcodec/cbs_vp9.h
+16
-0
cbs_vp9_syntax_template.c
libavcodec/cbs_vp9_syntax_template.c
+56
-4
No files found.
libavcodec/cbs_vp9.h
View file @
ec440339
...
...
@@ -181,6 +181,13 @@ typedef struct VP9RawSuperframe {
VP9RawSuperframeIndex
index
;
}
VP9RawSuperframe
;
typedef
struct
VP9ReferenceFrameState
{
int
frame_width
;
// RefFrameWidth
int
frame_height
;
// RefFrameHeight
int
subsampling_x
;
// RefSubsamplingX
int
subsampling_y
;
// RefSubsamplingY
int
bit_depth
;
// RefBitDepth
}
VP9ReferenceFrameState
;
typedef
struct
CodedBitstreamVP9Context
{
// Frame dimensions in 8x8 mode info blocks.
...
...
@@ -190,6 +197,15 @@ typedef struct CodedBitstreamVP9Context {
uint16_t
sb64_cols
;
uint16_t
sb64_rows
;
int
frame_width
;
int
frame_height
;
uint8_t
subsampling_x
;
uint8_t
subsampling_y
;
int
bit_depth
;
VP9ReferenceFrameState
ref
[
VP9_NUM_REF_FRAMES
];
// Write buffer.
uint8_t
*
write_buffer
;
size_t
write_buffer_size
;
...
...
libavcodec/cbs_vp9_syntax_template.c
View file @
ec440339
...
...
@@ -43,10 +43,14 @@ static int FUNC(frame_sync_code)(CodedBitstreamContext *ctx, RWContext *rw,
static
int
FUNC
(
color_config
)(
CodedBitstreamContext
*
ctx
,
RWContext
*
rw
,
VP9RawFrameHeader
*
current
,
int
profile
)
{
CodedBitstreamVP9Context
*
vp9
=
ctx
->
priv_data
;
int
err
;
if
(
profile
>=
2
)
if
(
profile
>=
2
)
{
f
(
1
,
ten_or_twelve_bit
);
vp9
->
bit_depth
=
current
->
ten_or_twelve_bit
?
12
:
10
;
}
else
vp9
->
bit_depth
=
8
;
f
(
3
,
color_space
);
...
...
@@ -69,6 +73,9 @@ static int FUNC(color_config)(CodedBitstreamContext *ctx, RWContext *rw,
}
}
vp9
->
subsampling_x
=
current
->
subsampling_x
;
vp9
->
subsampling_y
=
current
->
subsampling_y
;
return
0
;
}
...
...
@@ -81,8 +88,11 @@ static int FUNC(frame_size)(CodedBitstreamContext *ctx, RWContext *rw,
f
(
16
,
frame_width_minus_1
);
f
(
16
,
frame_height_minus_1
);
vp9
->
mi_cols
=
(
current
->
frame_width_minus_1
+
8
)
>>
3
;
vp9
->
mi_rows
=
(
current
->
frame_height_minus_1
+
8
)
>>
3
;
vp9
->
frame_width
=
current
->
frame_width_minus_1
+
1
;
vp9
->
frame_height
=
current
->
frame_height_minus_1
+
1
;
vp9
->
mi_cols
=
(
vp9
->
frame_width
+
7
)
>>
3
;
vp9
->
mi_rows
=
(
vp9
->
frame_height
+
7
)
>>
3
;
vp9
->
sb64_cols
=
(
vp9
->
mi_cols
+
7
)
>>
3
;
vp9
->
sb64_rows
=
(
vp9
->
mi_rows
+
7
)
>>
3
;
...
...
@@ -107,15 +117,33 @@ static int FUNC(render_size)(CodedBitstreamContext *ctx, RWContext *rw,
static
int
FUNC
(
frame_size_with_refs
)(
CodedBitstreamContext
*
ctx
,
RWContext
*
rw
,
VP9RawFrameHeader
*
current
)
{
CodedBitstreamVP9Context
*
vp9
=
ctx
->
priv_data
;
int
err
,
i
;
for
(
i
=
0
;
i
<
VP9_REFS_PER_FRAME
;
i
++
)
{
fs
(
1
,
found_ref
[
i
],
1
,
i
);
if
(
current
->
found_ref
[
i
])
if
(
current
->
found_ref
[
i
])
{
VP9ReferenceFrameState
*
ref
=
&
vp9
->
ref
[
current
->
ref_frame_idx
[
i
]];
vp9
->
frame_width
=
ref
->
frame_width
;
vp9
->
frame_height
=
ref
->
frame_height
;
vp9
->
subsampling_x
=
ref
->
subsampling_x
;
vp9
->
subsampling_y
=
ref
->
subsampling_y
;
vp9
->
bit_depth
=
ref
->
bit_depth
;
break
;
}
}
if
(
i
>=
VP9_REFS_PER_FRAME
)
CHECK
(
FUNC
(
frame_size
)(
ctx
,
rw
,
current
));
else
{
vp9
->
mi_cols
=
(
vp9
->
frame_width
+
7
)
>>
3
;
vp9
->
mi_rows
=
(
vp9
->
frame_height
+
7
)
>>
3
;
vp9
->
sb64_cols
=
(
vp9
->
mi_cols
+
7
)
>>
3
;
vp9
->
sb64_rows
=
(
vp9
->
mi_rows
+
7
)
>>
3
;
}
CHECK
(
FUNC
(
render_size
)(
ctx
,
rw
,
current
));
return
0
;
...
...
@@ -249,6 +277,7 @@ static int FUNC(tile_info)(CodedBitstreamContext *ctx, RWContext *rw,
static
int
FUNC
(
uncompressed_header
)(
CodedBitstreamContext
*
ctx
,
RWContext
*
rw
,
VP9RawFrameHeader
*
current
)
{
CodedBitstreamVP9Context
*
vp9
=
ctx
->
priv_data
;
int
profile
,
i
;
int
err
;
...
...
@@ -301,6 +330,10 @@ static int FUNC(uncompressed_header)(CodedBitstreamContext *ctx, RWContext *rw,
infer
(
color_space
,
1
);
infer
(
subsampling_x
,
1
);
infer
(
subsampling_y
,
1
);
vp9
->
bit_depth
=
8
;
vp9
->
subsampling_x
=
current
->
subsampling_x
;
vp9
->
subsampling_y
=
current
->
subsampling_y
;
}
f
(
8
,
refresh_frame_flags
);
...
...
@@ -339,6 +372,25 @@ static int FUNC(uncompressed_header)(CodedBitstreamContext *ctx, RWContext *rw,
f
(
16
,
header_size_in_bytes
);
for
(
i
=
0
;
i
<
VP9_NUM_REF_FRAMES
;
i
++
)
{
if
(
current
->
refresh_frame_flags
&
(
1
<<
i
))
{
vp9
->
ref
[
i
]
=
(
VP9ReferenceFrameState
)
{
.
frame_width
=
vp9
->
frame_width
,
.
frame_height
=
vp9
->
frame_height
,
.
subsampling_x
=
vp9
->
subsampling_x
,
.
subsampling_y
=
vp9
->
subsampling_y
,
.
bit_depth
=
vp9
->
bit_depth
,
};
}
}
av_log
(
ctx
->
log_ctx
,
AV_LOG_DEBUG
,
"Frame: size %dx%d "
"subsample %dx%d bit_depth %d tiles %dx%d.
\n
"
,
vp9
->
frame_width
,
vp9
->
frame_height
,
vp9
->
subsampling_x
,
vp9
->
subsampling_y
,
vp9
->
bit_depth
,
1
<<
current
->
tile_cols_log2
,
1
<<
current
->
tile_rows_log2
);
return
0
;
}
...
...
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