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videolan
vlc
Commits
9b22189f
Commit
9b22189f
authored
Apr 29, 2006
by
Antoine Cellerier
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Plain Diff
backport [15229].
parent
5a1c71ef
Changes
1
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1 changed file
with
88 additions
and
3 deletions
+88
-3
modules/demux/ts.c
modules/demux/ts.c
+88
-3
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modules/demux/ts.c
View file @
9b22189f
...
...
@@ -365,6 +365,7 @@ static void IODFree( iod_descriptor_t * );
#define TS_PACKET_SIZE_192 192
#define TS_PACKET_SIZE_204 204
#define TS_PACKET_SIZE_MAX 204
#define TS_TOPFIELD_HEADER 1320
/*****************************************************************************
* Open
...
...
@@ -381,25 +382,42 @@ static int Open( vlc_object_t *p_this )
ts_pid_t
*
pat
;
char
*
psz_mode
;
vlc_bool_t
b_append
;
vlc_bool_t
b_topfield
=
VLC_FALSE
;
vlc_value_t
val
;
if
(
stream_Peek
(
p_demux
->
s
,
&
p_peek
,
TS_PACKET_SIZE_MAX
)
<
TS_PACKET_SIZE_MAX
)
return
VLC_EGENERIC
;
if
(
p_peek
[
0
]
==
'T'
&&
p_peek
[
1
]
==
'F'
&&
p_peek
[
2
]
==
'r'
&&
p_peek
[
3
]
==
'c'
)
{
b_topfield
=
VLC_TRUE
;
msg_Dbg
(
p_demux
,
"this is a topfield file"
);
}
/* Search first sync byte */
for
(
i_sync
=
0
;
i_sync
<
TS_PACKET_SIZE_MAX
;
i_sync
++
)
{
if
(
p_peek
[
i_sync
]
==
0x47
)
break
;
}
if
(
i_sync
>=
TS_PACKET_SIZE_MAX
)
if
(
i_sync
>=
TS_PACKET_SIZE_MAX
&&
!
b_topfield
)
{
if
(
strcmp
(
p_demux
->
psz_demux
,
"ts"
)
)
return
VLC_EGENERIC
;
msg_Warn
(
p_demux
,
"this does not look like a TS stream, continuing"
);
}
if
(
b_topfield
)
{
/* Read the entire Topfield header */
i_peek
=
TS_TOPFIELD_HEADER
;
}
else
{
/* Check next 3 sync bytes */
i_peek
=
TS_PACKET_SIZE_MAX
*
3
+
i_sync
+
1
;
}
if
(
(
stream_Peek
(
p_demux
->
s
,
&
p_peek
,
i_peek
)
)
<
i_peek
)
{
msg_Err
(
p_demux
,
"cannot peek"
);
...
...
@@ -427,6 +445,73 @@ static int Open( vlc_object_t *p_this )
{
i_packet_size
=
TS_PACKET_SIZE_188
;
}
else
if
(
b_topfield
)
{
i_packet_size
=
TS_PACKET_SIZE_188
;
#if 0
/* I used the TF5000PVR 2004 Firmware .doc header documentation,
* http://www.i-topfield.com/data/product/firmware/Structure%20of%20Recorded%20File%20in%20TF5000PVR%20(Feb%2021%202004).doc
* but after the filename the offsets seem to be incorrect. - DJ */
int i_duration, i_name;
char *psz_name = malloc(25);
char *psz_event_name;
char *psz_event_text = malloc(130);
char *psz_ext_text = malloc(1025);
// 2 bytes version Uimsbf (4,5)
// 2 bytes reserved (6,7)
// 2 bytes duration in minutes Uimsbf (8,9(
i_duration = (int) (p_peek[8] << 8) | p_peek[9];
msg_Dbg( p_demux, "Topfield recording length: +/- %d minutes", i_duration);
// 2 bytes service number in channel list (10, 11)
// 2 bytes service type Bslbf 0=TV 1=Radio Bslb (12, 13)
// 4 bytes of reserved + tuner info (14,15,16,17)
// 2 bytes of Service ID Bslbf (18,19)
// 2 bytes of PMT PID Uimsbf (20,21)
// 2 bytes of PCR PID Uimsbf (22,23)
// 2 bytes of Video PID Uimsbf (24,25)
// 2 bytes of Audio PID Uimsbf (26,27)
// 24 bytes filename Bslbf
memcpy( psz_name, &p_peek[28], 24 );
psz_name[24] = '\0';
msg_Dbg( p_demux, "recordingname=%s", psz_name );
// 1 byte of sat index Uimsbf (52)
// 3 bytes (1 bit of polarity Bslbf +23 bits reserved)
// 4 bytes of freq. Uimsbf (56,57,58,59)
// 2 bytes of symbol rate Uimsbf (60,61)
// 2 bytes of TS stream ID Uimsbf (62,63)
// 4 bytes reserved
// 2 bytes reserved
// 2 bytes duration Uimsbf (70,71)
//i_duration = (int) (p_peek[70] << 8) | p_peek[71];
//msg_Dbg( p_demux, "Topfield 2nd duration field: +/- %d minutes", i_duration);
// 4 bytes EventID Uimsbf (72-75)
// 8 bytes of Start and End time info (76-83)
// 1 byte reserved (84)
// 1 byte event name length Uimsbf (89)
i_name = (int)(p_peek[89]&~0x81);
msg_Dbg( p_demux, "event name length = %d", i_name);
psz_event_name = malloc( i_name+1 );
// 1 byte parental rating (90)
// 129 bytes of event text
memcpy( psz_event_name, &p_peek[91], i_name );
psz_event_name[i_name] = '\0';
memcpy( psz_event_text, &p_peek[91+i_name], 129-i_name );
psz_event_text[129-i_name] = '\0';
msg_Dbg( p_demux, "event name=%s", psz_event_name );
msg_Dbg( p_demux, "event text=%s", psz_event_text );
// 12 bytes reserved (220)
// 6 bytes reserved
// 2 bytes Event Text Length Uimsbf
// 4 bytes EventID Uimsbf
// FIXME We just have 613 bytes. not enough for this entire text
// 1024 bytes Extended Event Text Bslbf
memcpy( psz_ext_text, p_peek+372, 1024 );
psz_ext_text[1024] = '\0';
msg_Dbg( p_demux, "extended event text=%s", psz_ext_text );
// 52 bytes reserved Bslbf
#endif
}
else
{
msg_Warn
(
p_demux
,
"TS module discarded (lost sync)"
);
...
...
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