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VideoLAN
bitstream
Commits
5f73fbdc
Commit
5f73fbdc
authored
Oct 10, 2011
by
Georgi Chorbadzhiyski
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mpeg/psi: Add support for descriptor 0x10 (Smoothing buffer).
parent
04ed0fcd
Changes
3
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3 changed files
with
104 additions
and
0 deletions
+104
-0
mpeg/psi/desc_10.h
mpeg/psi/desc_10.h
+102
-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_10.h
0 → 100644
View file @
5f73fbdc
/*****************************************************************************
* desc_10.h: ISO/IEC 13818-1 Descriptor 0x10 (Smoothing buffer 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_10_H__
#define __BITSTREAM_MPEG_DESC_10_H__
#include <bitstream/common.h>
#include <bitstream/mpeg/psi/descriptors.h>
#ifdef __cplusplus
extern
"C"
{
#endif
/*****************************************************************************
* Descriptor 0x10: Smoothing buffer descriptor
*****************************************************************************/
#define DESC10_HEADER_SIZE (DESC_HEADER_SIZE + 6)
static
inline
void
desc10_init
(
uint8_t
*
p_desc
)
{
desc_set_tag
(
p_desc
,
0x10
);
desc_set_length
(
p_desc
,
DESC10_HEADER_SIZE
-
DESC_HEADER_SIZE
);
}
static
inline
uint32_t
desc10_get_sb_leak_rate
(
const
uint8_t
*
p_desc
)
{
return
((
p_desc
[
2
]
&~
0xc0
)
<<
16
)
|
(
p_desc
[
3
]
<<
8
)
|
p_desc
[
4
];
// 11xxxxxx xxxxxxxx xxxxxxxx;
}
static
inline
void
desc10_set_sb_leak_rate
(
uint8_t
*
p_desc
,
uint32_t
sb_leak_rate
)
{
p_desc
[
2
]
=
((
sb_leak_rate
>>
16
)
&
0xff
)
|
0xc0
;
p_desc
[
3
]
=
(
sb_leak_rate
>>
8
)
&
0xff
;
p_desc
[
4
]
=
sb_leak_rate
&
0xff
;
}
static
inline
uint32_t
desc10_get_sb_size
(
const
uint8_t
*
p_desc
)
{
return
((
p_desc
[
5
]
&~
0xc0
)
<<
16
)
|
(
p_desc
[
6
]
<<
8
)
|
p_desc
[
7
];
// 11xxxxxx xxxxxxxx xxxxxxxx;
}
static
inline
void
desc10_set_sb_size
(
uint8_t
*
p_desc
,
uint32_t
sb_size
)
{
p_desc
[
5
]
=
((
sb_size
>>
16
)
&
0xff
)
|
0xc0
;
p_desc
[
6
]
=
(
sb_size
>>
8
)
&
0xff
;
p_desc
[
7
]
=
sb_size
&
0xff
;
}
static
inline
bool
desc10_validate
(
const
uint8_t
*
p_desc
)
{
return
desc_get_length
(
p_desc
)
>=
DESC10_HEADER_SIZE
-
DESC_HEADER_SIZE
;
}
static
inline
void
desc10_print
(
const
uint8_t
*
p_desc
,
f_print
pf_print
,
void
*
opaque
,
print_type_t
i_print_type
)
{
switch
(
i_print_type
)
{
case
PRINT_XML
:
pf_print
(
opaque
,
"<SMOOTHING_BUFFER_DESC sb_leak_rate=
\"
%u
\"
sb_size=
\"
%u
\"
/>"
,
desc10_get_sb_leak_rate
(
p_desc
),
desc10_get_sb_size
(
p_desc
));
break
;
default:
pf_print
(
opaque
,
" - desc 10 smoothing_buffer sb_leak_rate=%u sb_size=%u"
,
desc10_get_sb_leak_rate
(
p_desc
),
desc10_get_sb_size
(
p_desc
));
}
}
#ifdef __cplusplus
}
#endif
#endif
mpeg/psi/descs_list.h
View file @
5f73fbdc
...
...
@@ -48,5 +48,6 @@
#include <bitstream/mpeg/psi/desc_0d.h>
#include <bitstream/mpeg/psi/desc_0e.h>
#include <bitstream/mpeg/psi/desc_0f.h>
#include <bitstream/mpeg/psi/desc_10.h>
#endif
mpeg/psi/descs_print.h
View file @
5f73fbdc
...
...
@@ -114,6 +114,7 @@ static inline void descl_print(uint8_t *p_descl, uint16_t i_length,
CASE_DESC
(
0
d
)
CASE_DESC
(
0
e
)
CASE_DESC
(
0
f
)
CASE_DESC
(
10
)
CASE_DESC_ICONV
(
40
)
CASE_DESC
(
41
)
CASE_DESC
(
43
)
...
...
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