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videolan
libdvbpsi
Commits
b44e4bc9
Commit
b44e4bc9
authored
Apr 16, 2007
by
Johann Hanne
Committed by
Christophe Massiot
Apr 16, 2007
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Plain Diff
* src/tables/eit.c: EIT discontinuities
parent
80aa1be2
Changes
2
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2 changed files
with
48 additions
and
3 deletions
+48
-3
src/tables/eit.c
src/tables/eit.c
+47
-3
src/tables/eit_private.h
src/tables/eit_private.h
+1
-0
No files found.
src/tables/eit.c
View file @
b44e4bc9
...
@@ -405,6 +405,7 @@ void dvbpsi_GatherEITSections(dvbpsi_decoder_t * p_psi_decoder,
...
@@ -405,6 +405,7 @@ void dvbpsi_GatherEITSections(dvbpsi_decoder_t * p_psi_decoder,
p_section
->
p_payload_start
[
4
],
p_section
->
p_payload_start
[
4
],
p_section
->
p_payload_start
[
5
]);
p_section
->
p_payload_start
[
5
]);
p_eit_decoder
->
i_last_section_number
=
p_section
->
i_last_number
;
p_eit_decoder
->
i_last_section_number
=
p_section
->
i_last_number
;
p_eit_decoder
->
i_first_received_section_number
=
p_section
->
i_number
;
}
}
/* Fill the section array */
/* Fill the section array */
...
@@ -427,6 +428,41 @@ void dvbpsi_GatherEITSections(dvbpsi_decoder_t * p_psi_decoder,
...
@@ -427,6 +428,41 @@ void dvbpsi_GatherEITSections(dvbpsi_decoder_t * p_psi_decoder,
b_complete
=
1
;
b_complete
=
1
;
}
}
/* As there may be gaps in the section_number fields (see below), we
* have to wait until we have received a section_number twice - this
* is the only way to be sure that a complete table has been sent! */
if
(
!
b_complete
&&
p_section
->
i_number
==
p_eit_decoder
->
i_first_received_section_number
)
{
for
(
i
=
0
;
i
<=
p_eit_decoder
->
i_last_section_number
;
i
++
)
{
if
(
!
p_eit_decoder
->
ap_sections
[
i
])
break
;
if
(
i
==
p_eit_decoder
->
i_last_section_number
)
{
b_complete
=
1
;
break
;
}
/* ETSI EN 300 468 V1.5.1 section 5.2.4 says that the EIT
* sections may be structured into a number of segments and
* that there may be a gap in the section_number between
* two segments (but not within a single segment); thus at
* the end of a segment (indicated by
* section_number == segment_last_section_number)
* we have to search for the beginning of the next segment) */
if
(
i
==
p_eit_decoder
->
ap_sections
[
i
]
->
p_payload_start
[
4
])
{
while
(
!
p_eit_decoder
->
ap_sections
[
i
+
1
]
&&
(
i
+
1
<
p_eit_decoder
->
i_last_section_number
))
{
i
++
;
}
}
}
}
if
(
b_complete
)
if
(
b_complete
)
{
{
/* Save the current information */
/* Save the current information */
...
@@ -435,9 +471,17 @@ void dvbpsi_GatherEITSections(dvbpsi_decoder_t * p_psi_decoder,
...
@@ -435,9 +471,17 @@ void dvbpsi_GatherEITSections(dvbpsi_decoder_t * p_psi_decoder,
/* Chain the sections */
/* Chain the sections */
if
(
p_eit_decoder
->
i_last_section_number
)
if
(
p_eit_decoder
->
i_last_section_number
)
{
{
for
(
i
=
0
;
i
<=
p_eit_decoder
->
i_last_section_number
-
1
;
i
++
)
dvbpsi_psi_section_t
*
p_prev_section
;
p_eit_decoder
->
ap_sections
[
i
]
->
p_next
=
p_eit_decoder
->
ap_sections
[
i
+
1
];
p_prev_section
=
p_eit_decoder
->
ap_sections
[
0
];
for
(
i
=
1
;
i
<=
p_eit_decoder
->
i_last_section_number
;
i
++
)
{
if
(
p_eit_decoder
->
ap_sections
[
i
]
!=
NULL
)
{
p_prev_section
->
p_next
=
p_eit_decoder
->
ap_sections
[
i
];
p_prev_section
=
p_eit_decoder
->
ap_sections
[
i
];
}
}
}
}
/* Decode the sections */
/* Decode the sections */
dvbpsi_DecodeEITSections
(
p_eit_decoder
->
p_building_eit
,
dvbpsi_DecodeEITSections
(
p_eit_decoder
->
p_building_eit
,
...
...
src/tables/eit_private.h
View file @
b44e4bc9
...
@@ -44,6 +44,7 @@ typedef struct dvbpsi_eit_decoder_s
...
@@ -44,6 +44,7 @@ typedef struct dvbpsi_eit_decoder_s
int
b_current_valid
;
int
b_current_valid
;
uint8_t
i_last_section_number
;
uint8_t
i_last_section_number
;
uint8_t
i_first_received_section_number
;
dvbpsi_psi_section_t
*
ap_sections
[
256
];
dvbpsi_psi_section_t
*
ap_sections
[
256
];
}
dvbpsi_eit_decoder_t
;
}
dvbpsi_eit_decoder_t
;
...
...
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