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Linshizhi
ffmpeg.wasm-core
Commits
a02b8c69
Commit
a02b8c69
authored
Jun 21, 2012
by
Anton Khirnov
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mov: read itunes cover art.
parent
58e57c30
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mov.c
libavformat/mov.c
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libavformat/mov.c
View file @
a02b8c69
...
@@ -166,6 +166,48 @@ static int mov_read_mac_string(MOVContext *c, AVIOContext *pb, int len,
...
@@ -166,6 +166,48 @@ static int mov_read_mac_string(MOVContext *c, AVIOContext *pb, int len,
return
p
-
dst
;
return
p
-
dst
;
}
}
static
int
mov_read_covr
(
MOVContext
*
c
,
AVIOContext
*
pb
,
int
type
,
int
len
)
{
AVPacket
pkt
;
AVStream
*
st
;
MOVStreamContext
*
sc
;
enum
CodecID
id
;
int
ret
;
switch
(
type
)
{
case
0xd
:
id
=
CODEC_ID_MJPEG
;
break
;
case
0xe
:
id
=
CODEC_ID_PNG
;
break
;
case
0x1b
:
id
=
CODEC_ID_BMP
;
break
;
default:
av_log
(
c
->
fc
,
AV_LOG_WARNING
,
"Unknown cover type: 0x%x.
\n
"
,
type
);
avio_skip
(
pb
,
len
);
return
0
;
}
st
=
avformat_new_stream
(
c
->
fc
,
NULL
);
if
(
!
st
)
return
AVERROR
(
ENOMEM
);
sc
=
av_mallocz
(
sizeof
(
*
sc
));
if
(
!
sc
)
return
AVERROR
(
ENOMEM
);
st
->
priv_data
=
sc
;
ret
=
av_get_packet
(
pb
,
&
pkt
,
len
);
if
(
ret
<
0
)
return
ret
;
st
->
disposition
|=
AV_DISPOSITION_ATTACHED_PIC
;
st
->
attached_pic
=
pkt
;
st
->
attached_pic
.
stream_index
=
st
->
index
;
st
->
attached_pic
.
flags
|=
AV_PKT_FLAG_KEY
;
st
->
codec
->
codec_type
=
AVMEDIA_TYPE_VIDEO
;
st
->
codec
->
codec_id
=
id
;
return
0
;
}
static
int
mov_read_udta_string
(
MOVContext
*
c
,
AVIOContext
*
pb
,
MOVAtom
atom
)
static
int
mov_read_udta_string
(
MOVContext
*
c
,
AVIOContext
*
pb
,
MOVAtom
atom
)
{
{
#ifdef MOV_EXPORT_ALL_METADATA
#ifdef MOV_EXPORT_ALL_METADATA
...
@@ -224,6 +266,14 @@ static int mov_read_udta_string(MOVContext *c, AVIOContext *pb, MOVAtom atom)
...
@@ -224,6 +266,14 @@ static int mov_read_udta_string(MOVContext *c, AVIOContext *pb, MOVAtom atom)
avio_rb32
(
pb
);
// unknown
avio_rb32
(
pb
);
// unknown
str_size
=
data_size
-
16
;
str_size
=
data_size
-
16
;
atom
.
size
-=
16
;
atom
.
size
-=
16
;
if
(
atom
.
type
==
MKTAG
(
'c'
,
'o'
,
'v'
,
'r'
))
{
int
ret
=
mov_read_covr
(
c
,
pb
,
data_type
,
str_size
);
if
(
ret
<
0
)
{
av_log
(
c
->
fc
,
AV_LOG_ERROR
,
"Error parsing cover art.
\n
"
);
return
ret
;
}
}
}
else
return
0
;
}
else
return
0
;
}
else
if
(
atom
.
size
>
4
&&
key
&&
!
c
->
itunes_metadata
)
{
}
else
if
(
atom
.
size
>
4
&&
key
&&
!
c
->
itunes_metadata
)
{
str_size
=
avio_rb16
(
pb
);
// string length
str_size
=
avio_rb16
(
pb
);
// string length
...
...
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