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submodule
ffmpeg
Commits
f1ecd080
Commit
f1ecd080
authored
Feb 03, 2012
by
Alex Converse
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aacdec: Support native channel layout when requested.
parent
37bed6ff
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2 changed files
with
14 additions
and
10 deletions
+14
-10
aacdec.c
libavcodec/aacdec.c
+9
-5
aacdectab.h
libavcodec/aacdectab.h
+5
-5
No files found.
libavcodec/aacdec.c
View file @
f1ecd080
...
@@ -416,11 +416,13 @@ static av_cold int output_configure(AACContext *ac,
...
@@ -416,11 +416,13 @@ static av_cold int output_configure(AACContext *ac,
}
}
if
(
channel_config
)
{
if
(
channel_config
)
{
if
(
avctx
->
request_channel_layout
!=
AV_CH_LAYOUT_NATIVE
)
sniff_channel_order
(
layout_map
,
tags
);
for
(
i
=
0
;
i
<
tags_per_config
[
channel_config
];
i
++
)
{
for
(
i
=
0
;
i
<
tags_per_config
[
channel_config
];
i
++
)
{
int
type
=
aac_channel_layout_map
[
channel_config
-
1
]
[
i
][
0
];
int
type
=
layout_map
[
i
][
0
];
int
id
=
aac_channel_layout_map
[
channel_config
-
1
]
[
i
][
1
];
int
id
=
layout_map
[
i
][
1
];
int
posit
on
=
aac_channel_layout_map
[
channel_config
-
1
]
[
i
][
2
];
int
posit
ion
=
layout_map
[
i
][
2
];
if
((
ret
=
che_configure
(
ac
,
positon
,
if
((
ret
=
che_configure
(
ac
,
posit
i
on
,
type
,
id
,
type
,
id
,
&
channels
)))
&
channels
)))
return
ret
;
return
ret
;
...
@@ -437,7 +439,9 @@ static av_cold int output_configure(AACContext *ac,
...
@@ -437,7 +439,9 @@ static av_cold int output_configure(AACContext *ac,
* channels in the order the PCE declared them.
* channels in the order the PCE declared them.
*/
*/
uint64_t
layout
=
sniff_channel_order
(
layout_map
,
tags
);
uint64_t
layout
=
0
;
if
(
avctx
->
request_channel_layout
!=
AV_CH_LAYOUT_NATIVE
)
layout
=
sniff_channel_order
(
layout_map
,
tags
);
for
(
i
=
0
;
i
<
tags
;
i
++
)
{
for
(
i
=
0
;
i
<
tags
;
i
++
)
{
int
type
=
layout_map
[
i
][
0
];
int
type
=
layout_map
[
i
][
0
];
int
id
=
layout_map
[
i
][
1
];
int
id
=
layout_map
[
i
][
1
];
...
...
libavcodec/aacdectab.h
View file @
f1ecd080
...
@@ -83,11 +83,11 @@ static const int8_t tags_per_config[16] = { 0, 1, 1, 2, 3, 3, 4, 5, 0, 0, 0, 0,
...
@@ -83,11 +83,11 @@ static const int8_t tags_per_config[16] = { 0, 1, 1, 2, 3, 3, 4, 5, 0, 0, 0, 0,
static
const
uint8_t
aac_channel_layout_map
[
7
][
5
][
3
]
=
{
static
const
uint8_t
aac_channel_layout_map
[
7
][
5
][
3
]
=
{
{
{
TYPE_SCE
,
0
,
AAC_CHANNEL_FRONT
},
},
{
{
TYPE_SCE
,
0
,
AAC_CHANNEL_FRONT
},
},
{
{
TYPE_CPE
,
0
,
AAC_CHANNEL_FRONT
},
},
{
{
TYPE_CPE
,
0
,
AAC_CHANNEL_FRONT
},
},
{
{
TYPE_
CPE
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_SC
E
,
0
,
AAC_CHANNEL_FRONT
},
},
{
{
TYPE_
SCE
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_CP
E
,
0
,
AAC_CHANNEL_FRONT
},
},
{
{
TYPE_
CPE
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_SC
E
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_SCE
,
1
,
AAC_CHANNEL_BACK
},
},
{
{
TYPE_
SCE
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_CP
E
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_SCE
,
1
,
AAC_CHANNEL_BACK
},
},
{
{
TYPE_
CPE
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_SC
E
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_CPE
,
1
,
AAC_CHANNEL_BACK
},
},
{
{
TYPE_
SCE
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_CP
E
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_CPE
,
1
,
AAC_CHANNEL_BACK
},
},
{
{
TYPE_
CPE
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_SCE
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_LFE
,
0
,
AAC_CHANNEL_LFE
},
{
TYPE_CPE
,
1
,
AAC_CHANNEL_BACK
},
},
{
{
TYPE_
SCE
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_CPE
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_CPE
,
1
,
AAC_CHANNEL_BACK
},
{
TYPE_LFE
,
0
,
AAC_CHANNEL_LFE
},
},
{
{
TYPE_
CPE
,
1
,
AAC_CHANNEL_FRONT
},
{
TYPE_SCE
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_LFE
,
0
,
AAC_CHANNEL_LFE
},
{
TYPE_CPE
,
2
,
AAC_CHANNEL_BACK
},
{
TYPE_CPE
,
0
,
AAC_CHANNEL_FRONT
},
},
{
{
TYPE_
SCE
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_CPE
,
0
,
AAC_CHANNEL_FRONT
},
{
TYPE_CPE
,
1
,
AAC_CHANNEL_FRONT
},
{
TYPE_CPE
,
2
,
AAC_CHANNEL_BACK
},
{
TYPE_LFE
,
0
,
AAC_CHANNEL_LFE
},
},
};
};
static
const
uint64_t
aac_channel_layout
[
8
]
=
{
static
const
uint64_t
aac_channel_layout
[
8
]
=
{
...
...
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