Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in
Toggle navigation
V
vlc
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Redmine
Redmine
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Operations
Operations
Metrics
Environments
Analytics
Analytics
CI / CD
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
videolan
vlc
Commits
3c7d6bbc
Commit
3c7d6bbc
authored
Dec 14, 2000
by
Christophe Massiot
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Some comments for Henri.
parent
9cf26f41
Changes
2
Hide whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
53 additions
and
3 deletions
+53
-3
src/input/input_netlist.c
src/input/input_netlist.c
+52
-3
src/input/input_netlist.h
src/input/input_netlist.h
+1
-0
No files found.
src/input/input_netlist.c
View file @
3c7d6bbc
...
...
@@ -65,6 +65,10 @@ int input_NetlistInit( input_thread_t * p_input, int i_nb_data, int i_nb_pes,
p_netlist
=
(
netlist_t
*
)
p_input
->
p_method_data
;
//On a besoin de p_buffers pour p_data. Il faut faire l'initialisation
//p_data->p_buffer = p_buffers + i * i_buffer_size
//p_data->p_payload_start = p_data->p_buffer
//p_data->p_payload_end = p_data->p_buffer + i_buffer_size
/* For the time being, I only handle pes and data. iovec is to come soon
*
p_netlist->p_buffers = malloc(i_buffer_size*i_nb_data)
...
...
@@ -74,6 +78,11 @@ int input_NetlistInit( input_thread_t * p_input, int i_nb_data, int i_nb_pes,
return (-1);
}
*/
//Hum. Remplacer i_buffer_size par sizeof(data_packet_t) et rajouter
//un cast en (data_packet_t *) (c'est un buffer de data_packet_t, quand
//mme.
//D'autre part le INPUT_READ_ONCE n'est l quand dans l'initialisation
//des iovec => virer partout ailleurs.
p_netlist
->
p_data
=
malloc
(
i_buffer_size
*
(
i_nb_data
+
INPUT_READ_ONCE
));
if
(
p_netlist
->
p_data
==
NULL
)
...
...
@@ -81,6 +90,7 @@ int input_NetlistInit( input_thread_t * p_input, int i_nb_data, int i_nb_pes,
intf_ErrMsg
(
"Unable to malloc in netlist initialization (2)
\n
"
);
return
(
-
1
);
}
//Pareil.
p_netlist
->
p_pes
=
malloc
(
i_buffer_size
*
(
i_nb_pes
+
INPUT_READ_ONCE
));
if
(
p_netlist
->
p_pes
==
NULL
)
...
...
@@ -88,18 +98,22 @@ int input_NetlistInit( input_thread_t * p_input, int i_nb_data, int i_nb_pes,
intf_ErrMsg
(
"Unable to malloc in netlist initialization (3)
\n
"
);
return
(
-
1
);
}
//Il faut toujours caster la sortie du malloc (a renvoie void * par
//dfaut)
p_netlist
->
pp_free_data
=
malloc
(
i_nb_data
*
sizeof
(
data_packet_t
*
)
);
if
(
p_netlist
->
pp_free_data
==
NULL
)
{
intf_ErrMsg
(
"Unable to malloc in netlist initialization (4)
\n
"
);
}
//i_nb_pes peut-tre ?
p_netlist
->
pp_free_pes
=
malloc
(
i_nb_data
*
sizeof
(
pes_packet_t
*
)
);
if
(
p_netlist
->
pp_free_pes
==
NULL
)
{
intf_ErrMsg
(
"Unable to malloc in netlist initialization (5)
\n
"
);
}
//p_free_iovec = malloc( (i_nb_data + INPUT_READ_ONCE) * sizeof(...) )
/* Fill the data FIFO */
...
...
@@ -107,6 +121,7 @@ int input_NetlistInit( input_thread_t * p_input, int i_nb_data, int i_nb_pes,
{
p_netlist
->
pp_free_data
[
i_loop
]
=
p_netlist
->
p_data
+
i_loop
;
//manque l'initialisation de l'intrieur de p_data (cf. supra)
}
/* Fill the PES FIFO */
for
(
i_loop
=
0
;
i_loop
<
i_nb_pes
+
INPUT_READ_ONCE
;
i_loop
++
)
...
...
@@ -114,6 +129,8 @@ int input_NetlistInit( input_thread_t * p_input, int i_nb_data, int i_nb_pes,
p_netlist
->
pp_free_pes
[
i_loop
]
=
p_netlist
->
p_pes
+
i_loop
;
}
//p_free_iovec[i_loop].iov_base = p_buffers + i_loop * i_buffer_size
//p_free_iovec[i_loop].iov_len = i_buffer_size
/* vlc_mutex_init */
vlc_mutex_init
(
&
p_netlist
->
lock
);
...
...
@@ -126,6 +143,7 @@ int input_NetlistInit( input_thread_t * p_input, int i_nb_data, int i_nb_pes,
// p_netlist->i_iovec_start = 0;
// p_netlist->i_iovec_end = /* ?? */
//i_nb_data - 1
p_netlist
->
i_nb_data
=
i_nb_data
;
p_netlist
->
i_nb_pes
=
i_nb_pes
;
...
...
@@ -140,9 +158,24 @@ struct iovec * input_NetlistGetiovec( void * p_netlist )
{
/* fonction la plus difficile, terminer par celle-la
* je la ferai plus tard :p */
//vrifier i_iovec_end - i_iovec_start > INPUT_READ_ONCE
//la grosse astuce :
//if( i_nb_data - i_iovec_start < INPUT_READ_ONCE )
// memcpy( &p_free_iovec[i_nb_data], p_free_iovec, INPUT_READ_ONCE*... )
//return &p_free_iovec[i_iovec_start];
return
(
NULL
);
/* nothing yet */
}
//je rajoute celle-l
/*****************************************************************************
* input_NetlistMviovec: move the iovec pointer after a readv() operation
*****************************************************************************/
void
input_NetlistMviovec
(
void
*
p_netlist
,
size_t
i_nb_iovec
)
{
//i_iovec_start += i_nb_iovec
//i_iovec_start %= i_nb_data //oui j'ai bien dit i_nb_data
}
/*****************************************************************************
* input_NetlistNewPacket: returns a free data_packet_t
*****************************************************************************/
...
...
@@ -150,7 +183,8 @@ struct data_packet_s * input_NetlistNewPacket( void * p_netlist )
{
unsigned
int
i_return
;
netlist_t
*
pt_netlist
;
/* for a cast */
//pas beau, pt_netlist, j'aurais prfr void * p_method_data et
//netlist_t * p_netlist
pt_netlist
=
(
netlist_t
*
)
p_netlist
;
/* cast p_netlist -> netlist_t */
...
...
@@ -160,17 +194,23 @@ struct data_packet_s * input_NetlistNewPacket( void * p_netlist )
/* check */
if
(
pt_netlist
->
i_data_start
==
pt_netlist
->
i_data_end
)
{
//empty peut-tre ?
intf_ErrMsg
(
"Full Data FIFO in netlist - Unable to allocate memory
\n
"
);
return
(
NULL
);
}
i_return
=
(
pt_netlist
->
i_data_start
)
++
;
pt_netlist
->
i_data_start
%=
pt_netlist
->
i_nb_data
;
//i_iovec_start++; i_iovec_start %= i_nb_data //oui j'ai bien dit i_nb_data
/* unlock */
vlc_mutex_unlock
(
&
pt_netlist
->
lock
);
//risque de race condition : que se passe-t-il si aprs avoir rendu
//le lock un autre thread rend un paquet et crase
//pp_free_data[i_return] ?
return
(
pt_netlist
->
pp_free_data
[
i_return
]
);
//il faudrait aussi initialiser p_payload_start et p_payload_end
}
/*****************************************************************************
...
...
@@ -181,6 +221,7 @@ struct pes_packet_s * input_NetlistNewPES( void * p_netlist )
unsigned
int
i_return
;
netlist_t
*
pt_netlist
;
/* for a cast */
//tout pareil qu'au-dessus
pt_netlist
=
(
netlist_t
*
)
p_netlist
;
/* lock */
...
...
@@ -200,6 +241,10 @@ struct pes_packet_s * input_NetlistNewPES( void * p_netlist )
vlc_mutex_unlock
(
&
pt_netlist
->
lock
);
return
(
pt_netlist
->
pp_free_pes
[
i_return
]
);
//il faudrait initialiser le pes :
//b_messed_up = b_data_alignment = b_discontinuity = b_has_pts = 0
//i_pes_size = 0
//p_first = NULL
}
/*****************************************************************************
...
...
@@ -216,6 +261,8 @@ void input_NetlistDeletePacket( void * p_netlist, data_packet_t * p_data )
pt_netlist
->
i_data_end
++
;
pt_netlist
->
i_data_end
%=
pt_netlist
->
i_nb_data
;
//i_iovec_end++; i_iovec_end %= i_nb_data //oui j'ai bien dit i_nb_data
//p_free_iovec[i_iovec_end].iov_base = p_data->p_buffer
pt_netlist
->
pp_free_data
[
pt_netlist
->
i_data_end
]
=
p_data
;
...
...
@@ -246,6 +293,8 @@ void input_NetlistDeletePES( void * p_netlist, pes_packet_t * p_pes )
* Duplicate code avoid many locks */
pt_netlist
->
i_data_end
++
;
pt_netlist
->
i_data_end
%=
pt_netlist
->
i_nb_data
;
//i_iovec_end++; i_iovec_end %= i_nb_data //oui j'ai bien dit i_nb_data
//p_free_iovec[i_iovec_end].iov_base = p_data->p_buffer
pt_netlist
->
pp_free_data
[
pt_netlist
->
i_data_end
]
=
p_current_packet
;
...
...
@@ -278,4 +327,4 @@ void input_NetlistEnd( input_thread_t * p_input)
free
(
p_netlist
);
}
//sinon c'est bien (c)
src/input/input_netlist.h
View file @
3c7d6bbc
...
...
@@ -33,6 +33,7 @@ int input_NetlistInit( struct input_thread_s *,
int
i_nb_data
,
int
i_nb_pes
,
size_t
i_buffer_size
);
struct
iovec
*
input_NetlistGetiovec
(
void
*
);
void
input_NetlistMviovec
(
void
*
,
size_t
);
struct
data_packet_s
*
input_NetlistNewPacket
(
void
*
);
struct
pes_packet_s
*
input_NetlistNewPES
(
void
*
);
void
input_NetlistDeletePacket
(
void
*
,
struct
data_packet_s
*
);
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment