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VideoLAN
bitstream
Commits
1d7ba524
Commit
1d7ba524
authored
Oct 10, 2011
by
Georgi Chorbadzhiyski
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mpeg/psi: Add support for descriptor 0x0d (Copyright descriptor).
parent
317b4e40
Changes
3
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3 changed files
with
122 additions
and
0 deletions
+122
-0
mpeg/psi/desc_0d.h
mpeg/psi/desc_0d.h
+120
-0
mpeg/psi/descs_list.h
mpeg/psi/descs_list.h
+1
-0
mpeg/psi/descs_print.h
mpeg/psi/descs_print.h
+1
-0
No files found.
mpeg/psi/desc_0d.h
0 → 100644
View file @
1d7ba524
/*****************************************************************************
* desc_0d.h: ISO/IEC 13818-1 Descriptor 0x0d (Copyright descriptor)
*****************************************************************************
* Copyright (C) 2011 Unix Solutions Ltd.
*
* Authors: Georgi Chorbadzhiyski <georgi@unixsol.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject
* to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*****************************************************************************/
/*
* Normative references:
* - ISO/IEC 13818-1:2007(E) (MPEG-2 Systems)
*/
#ifndef __BITSTREAM_MPEG_DESC_0D_H__
#define __BITSTREAM_MPEG_DESC_0D_H__
#include <bitstream/common.h>
#include <bitstream/mpeg/psi/descriptors.h>
#ifdef __cplusplus
extern
"C"
{
#endif
/*****************************************************************************
* Descriptor 0x0d: Copyright descriptor
*****************************************************************************/
#define DESC0D_HEADER_SIZE (DESC_HEADER_SIZE + 4)
static
inline
void
desc0d_init
(
uint8_t
*
p_desc
)
{
desc_set_tag
(
p_desc
,
0x0d
);
desc_set_length
(
p_desc
,
DESC0D_HEADER_SIZE
-
DESC_HEADER_SIZE
);
}
static
inline
uint32_t
desc0d_get_copyright_identifier
(
const
uint8_t
*
p_desc
)
{
return
(
p_desc
[
2
]
<<
24
)
|
(
p_desc
[
3
]
<<
16
)
|
(
p_desc
[
4
]
<<
8
)
|
p_desc
[
5
];
}
static
inline
void
desc0d_set_copyright_identifier
(
uint8_t
*
p_desc
,
uint32_t
i_copyright_identifier
)
{
p_desc
[
2
]
=
(
i_copyright_identifier
>>
24
)
&
0xff
;
p_desc
[
3
]
=
(
i_copyright_identifier
>>
16
)
&
0xff
;
p_desc
[
4
]
=
(
i_copyright_identifier
>>
8
)
&
0xff
;
p_desc
[
5
]
=
i_copyright_identifier
&
0xff
;
}
static
inline
const
uint8_t
*
desc0d_get_additional_copyright_info
(
const
uint8_t
*
p_desc
,
uint8_t
*
i_length
)
{
*
i_length
=
desc_get_length
(
p_desc
)
-
(
DESC0D_HEADER_SIZE
-
DESC_HEADER_SIZE
);
if
(
*
i_length
)
return
&
p_desc
[
DESC0D_HEADER_SIZE
];
return
NULL
;
}
static
inline
void
desc0d_set_additional_copyright_info
(
uint8_t
*
p_desc
,
uint8_t
*
p_additional_copyright_info
,
uint8_t
i_length
)
{
if
(
i_length
==
0
||
!
p_additional_copyright_info
)
desc_set_length
(
p_desc
,
DESC0D_HEADER_SIZE
-
DESC_HEADER_SIZE
);
else
if
(
i_length
<
252
)
{
desc_set_length
(
p_desc
,
(
DESC0D_HEADER_SIZE
-
DESC_HEADER_SIZE
)
+
i_length
);
memcpy
(
p_desc
+
DESC0D_HEADER_SIZE
,
p_additional_copyright_info
,
i_length
);
}
}
static
inline
bool
desc0d_validate
(
const
uint8_t
*
p_desc
)
{
return
desc_get_length
(
p_desc
)
>=
DESC0D_HEADER_SIZE
-
DESC_HEADER_SIZE
;
}
static
inline
void
desc0d_print
(
const
uint8_t
*
p_desc
,
f_print
pf_print
,
void
*
opaque
,
print_type_t
i_print_type
)
{
uint8_t
i
,
i_length
;
const
uint8_t
*
p_add_copy_info
=
desc0d_get_additional_copyright_info
(
p_desc
,
&
i_length
);
char
psz_value
[
2
*
255
+
1
];
for
(
i
=
0
;
i
<
i_length
;
i
++
)
sprintf
(
psz_value
+
2
*
i
,
"%2.2hhx"
,
p_add_copy_info
[
i
]);
psz_value
[
2
*
i
]
=
'\0'
;
switch
(
i_print_type
)
{
case
PRINT_XML
:
pf_print
(
opaque
,
"<COPYRIGHT_DESC identifier=
\"
0x%08x
\"
additional_info_len=
\"
%u
\"
additional_info=
\"
%s
\"
/>"
,
desc0d_get_copyright_identifier
(
p_desc
),
i_length
,
psz_value
);
break
;
default:
pf_print
(
opaque
,
" - desc 0d copyright identifier=0x%08x additional_info_len=%u additional_info=%s"
,
desc0d_get_copyright_identifier
(
p_desc
),
i_length
,
psz_value
);
}
}
#ifdef __cplusplus
}
#endif
#endif
mpeg/psi/descs_list.h
View file @
1d7ba524
...
...
@@ -45,5 +45,6 @@
#include <bitstream/mpeg/psi/desc_0a.h>
#include <bitstream/mpeg/psi/desc_0b.h>
#include <bitstream/mpeg/psi/desc_0c.h>
#include <bitstream/mpeg/psi/desc_0d.h>
#endif
mpeg/psi/descs_print.h
View file @
1d7ba524
...
...
@@ -111,6 +111,7 @@ static inline void descl_print(uint8_t *p_descl, uint16_t i_length,
CASE_DESC
(
0
a
)
CASE_DESC
(
0
b
)
CASE_DESC
(
0
c
)
CASE_DESC
(
0
d
)
CASE_DESC_ICONV
(
40
)
CASE_DESC
(
41
)
CASE_DESC
(
43
)
...
...
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