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videolan
vlc
Commits
e695e7d8
Commit
e695e7d8
authored
Apr 02, 2004
by
Laurent Aimar
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Plain Diff
* rawdv.c: demux -> demux2. (Untested so may be broken)
parent
d9259f2f
Changes
1
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-90
modules/demux/rawdv.c
modules/demux/rawdv.c
+72
-90
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modules/demux/rawdv.c
View file @
e695e7d8
/*****************************************************************************
/*****************************************************************************
* rawdv.c : raw dv input module for vlc
* rawdv.c : raw dv input module for vlc
*****************************************************************************
*****************************************************************************
* Copyright (C) 2001-200
3
VideoLAN
* Copyright (C) 2001-200
4
VideoLAN
* $Id
: rawdv.c,v 1.15 2004/02/29 19:01:22 gbazin Exp
$
* $Id$
*
*
* Authors: Gildas Bazin <gbazin@netcourrier.com>
* Authors: Gildas Bazin <gbazin@netcourrier.com>
*
*
...
@@ -35,12 +35,9 @@
...
@@ -35,12 +35,9 @@
static
int
Open
(
vlc_object_t
*
);
static
int
Open
(
vlc_object_t
*
);
static
void
Close
(
vlc_object_t
*
);
static
void
Close
(
vlc_object_t
*
);
static
block_t
*
dv_extract_audio
(
input_thread_t
*
p_input
,
block_t
*
p_frame_block
);
vlc_module_begin
();
vlc_module_begin
();
set_description
(
_
(
"raw dv demuxer"
)
);
set_description
(
_
(
"raw dv demuxer"
)
);
set_capability
(
"demux"
,
2
);
set_capability
(
"demux
2
"
,
2
);
set_callbacks
(
Open
,
Close
);
set_callbacks
(
Open
,
Close
);
add_shortcut
(
"rawdv"
);
add_shortcut
(
"rawdv"
);
vlc_module_end
();
vlc_module_end
();
...
@@ -109,22 +106,26 @@ struct demux_sys_t
...
@@ -109,22 +106,26 @@ struct demux_sys_t
/*****************************************************************************
/*****************************************************************************
* Local prototypes
* Local prototypes
*****************************************************************************/
*****************************************************************************/
static
int
Demux
(
input_thread_t
*
);
static
int
Demux
(
demux_t
*
);
static
int
Control
(
demux_t
*
,
int
i_query
,
va_list
args
);
static
block_t
*
dv_extract_audio
(
demux_t
*
p_demux
,
block_t
*
p_frame_block
);
/*****************************************************************************
/*****************************************************************************
* Open: initializes raw dv demux structures
* Open: initializes raw dv demux structures
*****************************************************************************/
*****************************************************************************/
static
int
Open
(
vlc_object_t
*
p_this
)
static
int
Open
(
vlc_object_t
*
p_this
)
{
{
input_thread_t
*
p_input
=
(
input_thread_t
*
)
p_this
;
demux_t
*
p_demux
=
(
demux_t
*
)
p_this
;
demux_sys_t
*
p_sys
;
demux_sys_t
*
p_sys
;
byte_t
*
p_peek
,
*
p_peek_backup
;
byte_t
*
p_peek
,
*
p_peek_backup
;
uint32_t
i_dword
;
uint32_t
i_dword
;
dv_header_t
dv_header
;
dv_header_t
dv_header
;
dv_id_t
dv_id
;
dv_id_t
dv_id
;
char
*
psz_ext
;
char
*
psz_ext
;
/* It isn't easy to recognize a raw dv stream. The chances that we'll
/* It isn't easy to recognize a raw dv stream. The chances that we'll
* mistake a stream from another type for a raw dv stream are too high, so
* mistake a stream from another type for a raw dv stream are too high, so
...
@@ -132,18 +133,18 @@ static int Open( vlc_object_t * p_this )
...
@@ -132,18 +133,18 @@ static int Open( vlc_object_t * p_this )
* it is possible to force this demux. */
* it is possible to force this demux. */
/* Check for dv file extension */
/* Check for dv file extension */
psz_ext
=
strrchr
(
p_input
->
psz_name
,
'.'
);
psz_ext
=
strrchr
(
p_demux
->
psz_path
,
'.'
);
if
(
(
!
psz_ext
||
strcasecmp
(
psz_ext
,
".dv"
)
)
&&
if
(
(
!
psz_ext
||
strcasecmp
(
psz_ext
,
".dv"
)
)
&&
(
!
p_input
->
psz_demux
||
strcmp
(
p_input
->
psz_demux
,
"rawdv"
)
)
)
strcmp
(
p_demux
->
psz_demux
,
"rawdv"
)
)
{
{
return
VLC_EGENERIC
;
return
VLC_EGENERIC
;
}
}
if
(
stream_Peek
(
p_
input
->
s
,
&
p_peek
,
DV_PAL_FRAME_SIZE
)
<
if
(
stream_Peek
(
p_
demux
->
s
,
&
p_peek
,
DV_PAL_FRAME_SIZE
)
<
DV_NTSC_FRAME_SIZE
)
DV_NTSC_FRAME_SIZE
)
{
{
/* Stream too short ... */
/* Stream too short ... */
msg_Err
(
p_
input
,
"cannot peek()"
);
msg_Err
(
p_
demux
,
"cannot peek()"
);
return
VLC_EGENERIC
;
return
VLC_EGENERIC
;
}
}
p_peek_backup
=
p_peek
;
p_peek_backup
=
p_peek
;
...
@@ -161,7 +162,7 @@ static int Open( vlc_object_t * p_this )
...
@@ -161,7 +162,7 @@ static int Open( vlc_object_t * p_this )
if
(
dv_id
.
sct
!=
0
)
if
(
dv_id
.
sct
!=
0
)
{
{
msg_Warn
(
p_
input
,
"not a raw dv stream header"
);
msg_Warn
(
p_
demux
,
"not a raw dv stream header"
);
return
VLC_EGENERIC
;
return
VLC_EGENERIC
;
}
}
...
@@ -170,7 +171,7 @@ static int Open( vlc_object_t * p_this )
...
@@ -170,7 +171,7 @@ static int Open( vlc_object_t * p_this )
i_dword
<<=
1
;
i_dword
<<=
1
;
if
(
i_dword
>>
(
32
-
1
)
)
/* incorrect bit */
if
(
i_dword
>>
(
32
-
1
)
)
/* incorrect bit */
{
{
msg_Warn
(
p_
input
,
"incorrect bit"
);
msg_Warn
(
p_
demux
,
"incorrect bit"
);
return
VLC_EGENERIC
;
return
VLC_EGENERIC
;
}
}
...
@@ -194,9 +195,9 @@ static int Open( vlc_object_t * p_this )
...
@@ -194,9 +195,9 @@ static int Open( vlc_object_t * p_this )
/* Set p_input field */
/* Set p_input field */
p_
input
->
pf_demux
=
Demux
;
p_
demux
->
pf_demux
=
Demux
;
p_
input
->
pf_demux_control
=
demux_vaControlDefault
;
p_
demux
->
pf_control
=
Control
;
p_
input
->
p_demux_data
=
p_sys
=
malloc
(
sizeof
(
demux_sys_t
)
);
p_
demux
->
p_sys
=
p_sys
=
malloc
(
sizeof
(
demux_sys_t
)
);
p_sys
->
i_dsf
=
dv_header
.
dsf
;
p_sys
->
i_dsf
=
dv_header
.
dsf
;
p_sys
->
frame_size
=
dv_header
.
dsf
?
12
*
150
*
80
:
10
*
150
*
80
;
p_sys
->
frame_size
=
dv_header
.
dsf
?
12
*
150
*
80
:
10
*
150
*
80
;
...
@@ -212,22 +213,14 @@ static int Open( vlc_object_t * p_this )
...
@@ -212,22 +213,14 @@ static int Open( vlc_object_t * p_this )
p_sys
->
fmt_video
.
video
.
i_width
=
720
;
p_sys
->
fmt_video
.
video
.
i_width
=
720
;
p_sys
->
fmt_video
.
video
.
i_height
=
dv_header
.
dsf
?
576
:
480
;;
p_sys
->
fmt_video
.
video
.
i_height
=
dv_header
.
dsf
?
576
:
480
;;
/* FIXME FIXME */
#if 0
/* necessary because input_SplitBuffer() will only get
/* necessary because input_SplitBuffer() will only get
* INPUT_DEFAULT_BUFSIZE bytes at a time. */
* INPUT_DEFAULT_BUFSIZE bytes at a time. */
p_input->i_bufsize = p_sys->frame_size;
p_input->i_bufsize = p_sys->frame_size;
#endif
vlc_mutex_lock
(
&
p_input
->
stream
.
stream_lock
);
p_sys
->
p_es_video
=
es_out_Add
(
p_demux
->
out
,
&
p_sys
->
fmt_video
);
if
(
input_InitStream
(
p_input
,
0
)
==
-
1
)
{
vlc_mutex_unlock
(
&
p_input
->
stream
.
stream_lock
);
msg_Err
(
p_input
,
"cannot init stream"
);
free
(
p_sys
);
return
VLC_EGENERIC
;
}
p_input
->
stream
.
i_mux_rate
=
p_sys
->
frame_size
*
p_sys
->
f_rate
;
vlc_mutex_unlock
(
&
p_input
->
stream
.
stream_lock
);
p_sys
->
p_es_video
=
es_out_Add
(
p_input
->
p_es_out
,
&
p_sys
->
fmt_video
);
/* Audio stuff */
/* Audio stuff */
p_peek
=
p_peek_backup
+
80
*
6
+
80
*
16
*
3
+
3
;
/* beginning of AAUX pack */
p_peek
=
p_peek_backup
+
80
*
6
+
80
*
16
*
3
+
3
;
/* beginning of AAUX pack */
...
@@ -254,7 +247,7 @@ static int Open( vlc_object_t * p_this )
...
@@ -254,7 +247,7 @@ static int Open( vlc_object_t * p_this )
/* 12 bits non-linear will be converted to 16 bits linear */
/* 12 bits non-linear will be converted to 16 bits linear */
p_sys
->
fmt_audio
.
audio
.
i_bitspersample
=
16
;
p_sys
->
fmt_audio
.
audio
.
i_bitspersample
=
16
;
p_sys
->
p_es_audio
=
es_out_Add
(
p_
input
->
p_es_
out
,
&
p_sys
->
fmt_audio
);
p_sys
->
p_es_audio
=
es_out_Add
(
p_
demux
->
out
,
&
p_sys
->
fmt_audio
);
}
}
return
VLC_SUCCESS
;
return
VLC_SUCCESS
;
...
@@ -265,8 +258,8 @@ static int Open( vlc_object_t * p_this )
...
@@ -265,8 +258,8 @@ static int Open( vlc_object_t * p_this )
*****************************************************************************/
*****************************************************************************/
static
void
Close
(
vlc_object_t
*
p_this
)
static
void
Close
(
vlc_object_t
*
p_this
)
{
{
input_thread_t
*
p_input
=
(
input_thread_t
*
)
p_this
;
demux_t
*
p_demux
=
(
demux_t
*
)
p_this
;
demux_sys_t
*
p_sys
=
p_input
->
p_demux_data
;
demux_sys_t
*
p_sys
=
p_demux
->
p_sys
;
free
(
p_sys
);
free
(
p_sys
);
}
}
...
@@ -276,82 +269,69 @@ static void Close( vlc_object_t *p_this )
...
@@ -276,82 +269,69 @@ static void Close( vlc_object_t *p_this )
*****************************************************************************
*****************************************************************************
* Returns -1 in case of error, 0 in case of EOF, 1 otherwise
* Returns -1 in case of error, 0 in case of EOF, 1 otherwise
*****************************************************************************/
*****************************************************************************/
static
int
Demux
(
input_thread_t
*
p_input
)
static
int
Demux
(
demux_t
*
p_demux
)
{
{
demux_sys_t
*
p_sys
=
p_input
->
p_demux_data
;
demux_sys_t
*
p_sys
=
p_demux
->
p_sys
;
block_t
*
p_block
;
block_t
*
p_block
;
vlc_bool_t
b_audio
=
VLC_FALSE
,
b_video
=
VLC_FALSE
;
vlc_bool_t
b_audio
=
VLC_FALSE
;
if
(
p_input
->
stream
.
p_selected_program
->
i_synchro_state
==
SYNCHRO_REINIT
)
{
off_t
i_pos
=
stream_Tell
(
p_input
->
s
);
msg_Warn
(
p_input
,
"synchro reinit"
);
/* If the user tried to seek in the stream, we need to make sure
* the new position is at a DIF block boundary. */
if
(
i_pos
%
p_sys
->
frame_size
>
0
)
{
i_pos
+=
p_sys
->
frame_size
-
i_pos
%
p_sys
->
frame_size
;
if
(
stream_Seek
(
p_input
->
s
,
i_pos
)
)
{
msg_Warn
(
p_input
,
"cannot resynch after seek (EOF?)"
);
return
-
1
;
}
}
}
/* Call the pace control */
/* Call the pace control */
input_ClockManageRef
(
p_input
,
p_input
->
stream
.
p_selected_program
,
es_out_Control
(
p_demux
->
out
,
ES_OUT_SET_PCR
,
p_sys
->
i_pcr
);
p_sys
->
i_pcr
);
if
(
(
p_block
=
stream_Block
(
p_
input
->
s
,
p_sys
->
frame_size
)
)
==
NULL
)
if
(
(
p_block
=
stream_Block
(
p_
demux
->
s
,
p_sys
->
frame_size
)
)
==
NULL
)
{
{
/* EOF */
/* EOF */
return
0
;
return
0
;
}
}
es_out_Control
(
p_input
->
p_es_out
,
ES_OUT_GET_ES_STATE
,
p_sys
->
p_es_video
,
&
b_video
);
if
(
p_sys
->
p_es_audio
)
if
(
p_sys
->
p_es_audio
)
{
{
es_out_Control
(
p_
input
->
p_es_
out
,
ES_OUT_GET_ES_STATE
,
es_out_Control
(
p_
demux
->
out
,
ES_OUT_GET_ES_STATE
,
p_sys
->
p_es_audio
,
&
b_audio
);
p_sys
->
p_es_audio
,
&
b_audio
);
}
}
p_block
->
i_dts
=
p_block
->
i_dts
=
p_block
->
i_pts
=
input_ClockGetTS
(
p_input
,
p_block
->
i_pts
=
p_sys
->
i_pcr
;
p_input
->
stream
.
p_selected_program
,
p_sys
->
i_pcr
);
if
(
b_audio
)
if
(
b_audio
)
{
{
block_t
*
p_audio_block
=
dv_extract_audio
(
p_
input
,
p_block
);
block_t
*
p_audio_block
=
dv_extract_audio
(
p_
demux
,
p_block
);
if
(
p_audio_block
)
if
(
p_audio_block
)
{
{
p_audio_block
->
i_pts
=
p_audio_block
->
i_dts
=
p_block
->
i_dts
;
p_audio_block
->
i_pts
=
es_out_Send
(
p_input
->
p_es_out
,
p_sys
->
p_es_audio
,
p_audio_block
);
p_audio_block
->
i_dts
=
p_sys
->
i_pcr
;
es_out_Send
(
p_demux
->
out
,
p_sys
->
p_es_audio
,
p_audio_block
);
}
}
}
}
if
(
b_video
)
es_out_Send
(
p_demux
->
out
,
p_sys
->
p_es_video
,
p_block
);
es_out_Send
(
p_input
->
p_es_out
,
p_sys
->
p_es_video
,
p_block
);
else
block_Release
(
p_block
);
p_sys
->
i_pcr
+=
(
90000
/
p_sys
->
f_rate
);
p_sys
->
i_pcr
+=
(
I64C
(
1000000
)
/
p_sys
->
f_rate
);
return
1
;
return
1
;
}
}
/*****************************************************************************
* Control:
*****************************************************************************/
static
int
Control
(
demux_t
*
p_demux
,
int
i_query
,
va_list
args
)
{
demux_sys_t
*
p_sys
=
p_demux
->
p_sys
;
/* XXX: DEMUX_SET_TIME is precise here */
return
demux2_vaControlHelper
(
p_demux
->
s
,
0
,
-
1
,
p_sys
->
frame_size
*
p_sys
->
f_rate
*
8
,
p_sys
->
frame_size
,
i_query
,
args
);
}
static
const
uint16_t
dv_audio_shuffle525
[
10
][
9
]
=
{
static
const
uint16_t
dv_audio_shuffle525
[
10
][
9
]
=
{
{
0
,
30
,
60
,
20
,
50
,
80
,
10
,
40
,
70
},
/* 1st channel */
{
0
,
30
,
60
,
20
,
50
,
80
,
10
,
40
,
70
},
/* 1st channel */
{
6
,
36
,
66
,
26
,
56
,
86
,
16
,
46
,
76
},
{
6
,
36
,
66
,
26
,
56
,
86
,
16
,
46
,
76
},
{
12
,
42
,
72
,
2
,
32
,
62
,
22
,
52
,
82
},
{
12
,
42
,
72
,
2
,
32
,
62
,
22
,
52
,
82
},
{
18
,
48
,
78
,
8
,
38
,
68
,
28
,
58
,
88
},
{
18
,
48
,
78
,
8
,
38
,
68
,
28
,
58
,
88
},
{
24
,
54
,
84
,
14
,
44
,
74
,
4
,
34
,
64
},
{
24
,
54
,
84
,
14
,
44
,
74
,
4
,
34
,
64
},
{
1
,
31
,
61
,
21
,
51
,
81
,
11
,
41
,
71
},
/* 2nd channel */
{
1
,
31
,
61
,
21
,
51
,
81
,
11
,
41
,
71
},
/* 2nd channel */
{
7
,
37
,
67
,
27
,
57
,
87
,
17
,
47
,
77
},
{
7
,
37
,
67
,
27
,
57
,
87
,
17
,
47
,
77
},
{
13
,
43
,
73
,
3
,
33
,
63
,
23
,
53
,
83
},
{
13
,
43
,
73
,
3
,
33
,
63
,
23
,
53
,
83
},
...
@@ -364,21 +344,21 @@ static const uint16_t dv_audio_shuffle625[12][9] = {
...
@@ -364,21 +344,21 @@ static const uint16_t dv_audio_shuffle625[12][9] = {
{
6
,
42
,
78
,
32
,
68
,
104
,
22
,
58
,
94
},
{
6
,
42
,
78
,
32
,
68
,
104
,
22
,
58
,
94
},
{
12
,
48
,
84
,
2
,
38
,
74
,
28
,
64
,
100
},
{
12
,
48
,
84
,
2
,
38
,
74
,
28
,
64
,
100
},
{
18
,
54
,
90
,
8
,
44
,
80
,
34
,
70
,
106
},
{
18
,
54
,
90
,
8
,
44
,
80
,
34
,
70
,
106
},
{
24
,
60
,
96
,
14
,
50
,
86
,
4
,
40
,
76
},
{
24
,
60
,
96
,
14
,
50
,
86
,
4
,
40
,
76
},
{
30
,
66
,
102
,
20
,
56
,
92
,
10
,
46
,
82
},
{
30
,
66
,
102
,
20
,
56
,
92
,
10
,
46
,
82
},
{
1
,
37
,
73
,
27
,
63
,
99
,
17
,
53
,
89
},
/* 2nd channel */
{
1
,
37
,
73
,
27
,
63
,
99
,
17
,
53
,
89
},
/* 2nd channel */
{
7
,
43
,
79
,
33
,
69
,
105
,
23
,
59
,
95
},
{
7
,
43
,
79
,
33
,
69
,
105
,
23
,
59
,
95
},
{
13
,
49
,
85
,
3
,
39
,
75
,
29
,
65
,
101
},
{
13
,
49
,
85
,
3
,
39
,
75
,
29
,
65
,
101
},
{
19
,
55
,
91
,
9
,
45
,
81
,
35
,
71
,
107
},
{
19
,
55
,
91
,
9
,
45
,
81
,
35
,
71
,
107
},
{
25
,
61
,
97
,
15
,
51
,
87
,
5
,
41
,
77
},
{
25
,
61
,
97
,
15
,
51
,
87
,
5
,
41
,
77
},
{
31
,
67
,
103
,
21
,
57
,
93
,
11
,
47
,
83
},
{
31
,
67
,
103
,
21
,
57
,
93
,
11
,
47
,
83
},
};
};
static
inline
uint16_t
dv_audio_12to16
(
uint16_t
sample
)
static
inline
uint16_t
dv_audio_12to16
(
uint16_t
sample
)
{
{
uint16_t
shift
,
result
;
uint16_t
shift
,
result
;
sample
=
(
sample
<
0x800
)
?
sample
:
sample
|
0xf000
;
sample
=
(
sample
<
0x800
)
?
sample
:
sample
|
0xf000
;
shift
=
(
sample
&
0xf00
)
>>
8
;
shift
=
(
sample
&
0xf00
)
>>
8
;
...
@@ -395,10 +375,10 @@ static inline uint16_t dv_audio_12to16( uint16_t sample )
...
@@ -395,10 +375,10 @@ static inline uint16_t dv_audio_12to16( uint16_t sample )
return
result
;
return
result
;
}
}
static
block_t
*
dv_extract_audio
(
input_thread_t
*
p_input
,
static
block_t
*
dv_extract_audio
(
demux_t
*
p_demux
,
block_t
*
p_frame_block
)
block_t
*
p_frame_block
)
{
{
demux_sys_t
*
p_sys
=
p_input
->
p_demux_data
;
demux_sys_t
*
p_sys
=
p_demux
->
p_sys
;
block_t
*
p_block
;
block_t
*
p_block
;
uint8_t
*
p_frame
,
*
p_buf
;
uint8_t
*
p_frame
,
*
p_buf
;
int
i_audio_quant
,
i_samples
,
i_size
,
i_half_ch
;
int
i_audio_quant
,
i_samples
,
i_size
,
i_half_ch
;
...
@@ -413,7 +393,7 @@ static block_t *dv_extract_audio( input_thread_t * p_input,
...
@@ -413,7 +393,7 @@ static block_t *dv_extract_audio( input_thread_t * p_input,
i_audio_quant
=
p_buf
[
4
]
&
0x07
;
/* 0 - 16bit, 1 - 12bit */
i_audio_quant
=
p_buf
[
4
]
&
0x07
;
/* 0 - 16bit, 1 - 12bit */
if
(
i_audio_quant
>
1
)
if
(
i_audio_quant
>
1
)
{
{
msg_Dbg
(
p_
input
,
"Unsupported quantization for DV audio"
);
msg_Dbg
(
p_
demux
,
"Unsupported quantization for DV audio"
);
return
NULL
;
return
NULL
;
}
}
...
@@ -433,7 +413,7 @@ static block_t *dv_extract_audio( input_thread_t * p_input,
...
@@ -433,7 +413,7 @@ static block_t *dv_extract_audio( input_thread_t * p_input,
}
}
i_size
=
(
i_size
+
i_samples
)
*
4
;
/* 2ch, 2bytes */
i_size
=
(
i_size
+
i_samples
)
*
4
;
/* 2ch, 2bytes */
p_block
=
block_New
(
p_
input
,
i_size
);
p_block
=
block_New
(
p_
demux
,
i_size
);
/* for each DIF segment */
/* for each DIF segment */
p_frame
=
p_frame_block
->
p_buffer
;
p_frame
=
p_frame_block
->
p_buffer
;
...
@@ -489,3 +469,5 @@ static block_t *dv_extract_audio( input_thread_t * p_input,
...
@@ -489,3 +469,5 @@ static block_t *dv_extract_audio( input_thread_t * p_input,
return
p_block
;
return
p_block
;
}
}
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