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Linshizhi
ffmpeg.wasm-core
Commits
56e2ac6b
Commit
56e2ac6b
authored
Mar 15, 2011
by
Anton Khirnov
Committed by
Justin Ruggles
Mar 15, 2011
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Plain Diff
id3v2: merge TYER/TDAT/TIME to date tag
parent
aaff3b31
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1 changed file
with
47 additions
and
0 deletions
+47
-0
id3v2.c
libavformat/id3v2.c
+47
-0
No files found.
libavformat/id3v2.c
View file @
56e2ac6b
...
...
@@ -136,6 +136,52 @@ static void read_ttag(AVFormatContext *s, AVIOContext *pb, int taglen, const cha
av_metadata_set2
(
&
s
->
metadata
,
key
,
val
,
AV_METADATA_DONT_OVERWRITE
);
}
static
int
is_number
(
const
char
*
str
)
{
while
(
*
str
>=
'0'
&&
*
str
<=
'9'
)
str
++
;
return
!*
str
;
}
static
AVMetadataTag
*
get_date_tag
(
AVMetadata
*
m
,
const
char
*
tag
)
{
AVMetadataTag
*
t
;
if
((
t
=
av_metadata_get
(
m
,
tag
,
NULL
,
AV_METADATA_MATCH_CASE
))
&&
strlen
(
t
->
value
)
==
4
&&
is_number
(
t
->
value
))
return
t
;
return
NULL
;
}
static
void
merge_date
(
AVMetadata
**
m
)
{
AVMetadataTag
*
t
;
char
date
[
17
]
=
{
0
};
// YYYY-MM-DD hh:mm
if
(
!
(
t
=
get_date_tag
(
*
m
,
"TYER"
))
&&
!
(
t
=
get_date_tag
(
*
m
,
"TYE"
)))
return
;
av_strlcpy
(
date
,
t
->
value
,
5
);
av_metadata_set2
(
m
,
"TYER"
,
NULL
,
0
);
av_metadata_set2
(
m
,
"TYE"
,
NULL
,
0
);
if
(
!
(
t
=
get_date_tag
(
*
m
,
"TDAT"
))
&&
!
(
t
=
get_date_tag
(
*
m
,
"TDA"
)))
goto
finish
;
snprintf
(
date
+
4
,
sizeof
(
date
)
-
4
,
"-%.2s-%.2s"
,
t
->
value
+
2
,
t
->
value
);
av_metadata_set2
(
m
,
"TDAT"
,
NULL
,
0
);
av_metadata_set2
(
m
,
"TDA"
,
NULL
,
0
);
if
(
!
(
t
=
get_date_tag
(
*
m
,
"TIME"
))
&&
!
(
t
=
get_date_tag
(
*
m
,
"TIM"
)))
goto
finish
;
snprintf
(
date
+
10
,
sizeof
(
date
)
-
10
,
" %.2s:%.2s"
,
t
->
value
,
t
->
value
+
2
);
av_metadata_set2
(
m
,
"TIME"
,
NULL
,
0
);
av_metadata_set2
(
m
,
"TIM"
,
NULL
,
0
);
finish:
if
(
date
[
0
])
av_metadata_set2
(
m
,
"date"
,
date
,
0
);
}
static
void
ff_id3v2_parse
(
AVFormatContext
*
s
,
int
len
,
uint8_t
version
,
uint8_t
flags
)
{
int
isv34
,
tlen
,
unsync
;
...
...
@@ -277,6 +323,7 @@ void ff_id3v2_read(AVFormatContext *s, const char *magic)
ff_metadata_conv
(
&
s
->
metadata
,
NULL
,
ff_id3v2_34_metadata_conv
);
ff_metadata_conv
(
&
s
->
metadata
,
NULL
,
ff_id3v2_2_metadata_conv
);
ff_metadata_conv
(
&
s
->
metadata
,
NULL
,
ff_id3v2_4_metadata_conv
);
merge_date
(
&
s
->
metadata
);
}
const
AVMetadataConv
ff_id3v2_34_metadata_conv
[]
=
{
...
...
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