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videolan
libdvbpsi
Commits
9c8a0728
Commit
9c8a0728
authored
Nov 26, 2015
by
Jean-Paul Saman
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Plain Diff
EIT: implement as chained decoder
parent
1f4b9517
Changes
2
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Showing
2 changed files
with
42 additions
and
44 deletions
+42
-44
src/tables/eit.c
src/tables/eit.c
+41
-41
src/tables/eit_private.h
src/tables/eit_private.h
+1
-3
No files found.
src/tables/eit.c
View file @
9c8a0728
...
...
@@ -45,7 +45,7 @@
#include "../dvbpsi_private.h"
#include "../psi.h"
#include "../descriptor.h"
#include "../
demux
.h"
#include "../
chain
.h"
#include "eit.h"
#include "eit_private.h"
...
...
@@ -58,11 +58,9 @@ bool dvbpsi_eit_attach(dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extens
dvbpsi_eit_callback
pf_callback
,
void
*
p_cb_data
)
{
assert
(
p_dvbpsi
);
assert
(
p_dvbpsi
->
p_decoder
);
dvbpsi_demux_t
*
p_demux
=
(
dvbpsi_demux_t
*
)
p_dvbpsi
->
p_decoder
;
if
(
dvbpsi_demuxGetSubDec
(
p_demux
,
i_table_id
,
i_extension
)
!=
NULL
)
dvbpsi_decoder_t
*
p_dec
=
dvbpsi_decoder_chain_get
(
p_dvbpsi
,
i_table_id
,
i_extension
);
if
(
p_dec
!=
NULL
)
{
dvbpsi_error
(
p_dvbpsi
,
"EIT decoder"
,
"Already a decoder for (table_id == 0x%02x,"
...
...
@@ -72,29 +70,26 @@ bool dvbpsi_eit_attach(dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extens
}
dvbpsi_eit_decoder_t
*
p_eit_decoder
;
p_eit_decoder
=
(
dvbpsi_eit_decoder_t
*
)
dvbpsi_decoder_new
(
NULL
,
0
,
true
,
sizeof
(
dvbpsi_eit_decoder_t
));
p_eit_decoder
=
(
dvbpsi_eit_decoder_t
*
)
dvbpsi_decoder_new
(
dvbpsi_eit_sections_gather
,
4096
,
true
,
sizeof
(
dvbpsi_eit_decoder_t
));
if
(
p_eit_decoder
==
NULL
)
return
false
;
/* subtable decoder configuration */
dvbpsi_demux_subdec_t
*
p_subdec
;
p_subdec
=
dvbpsi_NewDemuxSubDecoder
(
i_table_id
,
i_extension
,
dvbpsi_eit_detach
,
dvbpsi_eit_sections_gather
,
DVBPSI_DECODER
(
p_eit_decoder
));
if
(
p_subdec
==
NULL
)
{
dvbpsi_decoder_delete
(
DVBPSI_DECODER
(
p_eit_decoder
));
return
false
;
}
/* Attach the subtable decoder to the demux */
dvbpsi_AttachDemuxSubDecoder
(
p_demux
,
p_subdec
);
/* EIT decoder information */
p_eit_decoder
->
pf_eit_callback
=
pf_callback
;
p_eit_decoder
->
p_cb_data
=
p_cb_data
;
p_eit_decoder
->
p_building_eit
=
NULL
;
p_eit_decoder
->
i_table_id
=
i_table_id
;
p_eit_decoder
->
i_extension
=
i_extension
;
/* add sdt decoder to decoder chain */
if
(
!
dvbpsi_decoder_chain_add
(
p_dvbpsi
,
DVBPSI_DECODER
(
p_eit_decoder
)))
{
dvbpsi_decoder_delete
(
DVBPSI_DECODER
(
p_eit_decoder
));
return
false
;
}
return
true
;
}
...
...
@@ -103,17 +98,12 @@ bool dvbpsi_eit_attach(dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extens
*****************************************************************************
* Close a EIT decoder.
*****************************************************************************/
void
dvbpsi_eit_detach
(
dvbpsi_t
*
p_dvbpsi
,
uint8_t
i_table_id
,
uint16_t
i_extension
)
void
dvbpsi_eit_detach
(
dvbpsi_t
*
p_dvbpsi
,
uint8_t
i_table_id
,
uint16_t
i_extension
)
{
assert
(
p_dvbpsi
);
assert
(
p_dvbpsi
->
p_decoder
);
dvbpsi_demux_t
*
p_demux
=
(
dvbpsi_demux_t
*
)
p_dvbpsi
->
p_decoder
;
dvbpsi_demux_subdec_t
*
p_subdec
;
p_subdec
=
dvbpsi_demuxGetSubDec
(
p_demux
,
i_table_id
,
i_extension
);
if
(
p_subdec
==
NULL
)
dvbpsi_decoder_t
*
p_dec
=
dvbpsi_decoder_chain_get
(
p_dvbpsi
,
i_table_id
,
i_extension
);
if
(
p_dec
==
NULL
)
{
dvbpsi_error
(
p_dvbpsi
,
"EIT Decoder"
,
"No such EIT decoder (table_id == 0x%02x,"
...
...
@@ -122,14 +112,22 @@ void dvbpsi_eit_detach(dvbpsi_t *p_dvbpsi, uint8_t i_table_id,
return
;
}
dvbpsi_eit_decoder_t
*
p_eit_decoder
;
p_eit_decoder
=
(
dvbpsi_eit_decoder_t
*
)
p_subdec
->
p_decoder
;
/* Remove table decoder from decoder chain */
if
(
!
dvbpsi_decoder_chain_remove
(
p_dvbpsi
,
p_dec
))
{
dvbpsi_error
(
p_dvbpsi
,
"EIT Decoder"
,
"Failed to remove"
"extension == 0x%02x)"
,
i_table_id
,
i_extension
);
return
;
}
dvbpsi_eit_decoder_t
*
p_eit_decoder
=
(
dvbpsi_eit_decoder_t
*
)
p_dec
;
if
(
p_eit_decoder
->
p_building_eit
)
dvbpsi_eit_delete
(
p_eit_decoder
->
p_building_eit
);
p_eit_decoder
->
p_building_eit
=
NULL
;
dvbpsi_DetachDemuxSubDecoder
(
p_demux
,
p_subdec
);
dvbpsi_DeleteDemuxSubDecoder
(
p_subdec
);
dvbpsi_decoder_delete
(
p_dec
);
p_dec
=
NULL
;
}
/*****************************************************************************
...
...
@@ -421,11 +419,9 @@ static bool dvbpsi_AddSectionEIT(dvbpsi_t *p_dvbpsi, dvbpsi_eit_decoder_t *p_eit
*****************************************************************************
* Callback for the subtable demultiplexor.
*****************************************************************************/
void
dvbpsi_eit_sections_gather
(
dvbpsi_t
*
p_dvbpsi
,
dvbpsi_decoder_t
*
p_private_decoder
,
dvbpsi_psi_section_t
*
p_section
)
void
dvbpsi_eit_sections_gather
(
dvbpsi_t
*
p_dvbpsi
,
dvbpsi_psi_section_t
*
p_section
)
{
assert
(
p_dvbpsi
);
assert
(
p_dvbpsi
->
p_decoder
);
const
uint8_t
i_table_id
=
(
p_section
->
i_table_id
>=
0x4e
&&
p_section
->
i_table_id
<=
0x6f
)
?
...
...
@@ -437,17 +433,21 @@ void dvbpsi_eit_sections_gather(dvbpsi_t *p_dvbpsi, dvbpsi_decoder_t *p_private_
return
;
}
dvbpsi_decoder_t
*
p_dec
=
dvbpsi_decoder_chain_get
(
p_dvbpsi
,
i_table_id
,
p_section
->
i_extension
);
if
(
!
p_dec
)
{
dvbpsi_DeletePSISections
(
p_section
);
return
;
}
/* We have a valid EIT section */
dvbpsi_demux_t
*
p_demux
=
(
dvbpsi_demux_t
*
)
p_dvbpsi
->
p_decoder
;
dvbpsi_eit_decoder_t
*
p_eit_decoder
=
(
dvbpsi_eit_decoder_t
*
)
p_private_decoder
;
dvbpsi_eit_decoder_t
*
p_eit_decoder
=
(
dvbpsi_eit_decoder_t
*
)
p_dec
;
/* TS discontinuity check */
if
(
p_
demux
->
b_discontinuity
)
if
(
p_
eit_decoder
->
b_discontinuity
)
{
dvbpsi_ReInitEIT
(
p_eit_decoder
,
true
);
p_eit_decoder
->
b_discontinuity
=
false
;
p_demux
->
b_discontinuity
=
false
;
}
else
{
...
...
src/tables/eit_private.h
View file @
9c8a0728
...
...
@@ -52,9 +52,7 @@ typedef struct dvbpsi_eit_decoder_s
*****************************************************************************
* Callback for the PSI decoder.
*****************************************************************************/
void
dvbpsi_eit_sections_gather
(
dvbpsi_t
*
p_dvbpsi
,
dvbpsi_decoder_t
*
p_private_decoder
,
dvbpsi_psi_section_t
*
p_section
);
void
dvbpsi_eit_sections_gather
(
dvbpsi_t
*
p_dvbpsi
,
dvbpsi_psi_section_t
*
p_section
);
/*****************************************************************************
* dvbpsi_eit_sections_decode
...
...
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