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videolan
vlc
Commits
1399f00e
Commit
1399f00e
authored
Feb 20, 2000
by
Renaud Dartus
Browse files
Options
Browse Files
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Plain Diff
Ajoute du support son U8_Stereo -- Reno
parent
2dab23fc
Changes
2
Show whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
297 additions
and
1 deletion
+297
-1
include/audio_output.h
include/audio_output.h
+8
-0
src/audio_output/audio_output.c
src/audio_output/audio_output.c
+289
-1
No files found.
include/audio_output.h
View file @
1399f00e
...
...
@@ -28,6 +28,14 @@
/* Default audio output format (AOUT_FMT_S16_NE = Native Endianess) */
#define AOUT_DEFAULT_FORMAT AOUT_FMT_S16_NE
/* #define AOUT_DEFAULT_FORMAT AOUT_FMT_S8 */
/* #define AOUT_DEFAULT_FORMAT AOUT_FMT_U8 */
/* #define AOUT_DEFAULT_FORMAT AOUT_FMT_S16_BE */
/* #define AOUT_DEFAULT_FORMAT AOUT_FMT_S16_LE */
/* #define AOUT_DEFAULT_FORMAT AOUT_FMT_U16_BE */
/* #define AOUT_DEFAULT_FORMAT AOUT_FMT_U16_LE */
/* Default stereo mode (0 stands for mono, 1 for stereo) */
#define AOUT_DEFAULT_STEREO 1
...
...
src/audio_output/audio_output.c
View file @
1399f00e
...
...
@@ -548,6 +548,293 @@ void aout_Thread_U8_Mono( aout_thread_t * p_aout )
void
aout_Thread_U8_Stereo
(
aout_thread_t
*
p_aout
)
{
int
i_fifo
;
long
l_buffer
,
l_buffer_limit
;
long
l_units
,
l_bytes
;
intf_DbgMsg
(
"adec debug: ********aout_Thread_U8_Stereo********
\n
"
);
intf_DbgMsg
(
"adec debug: running audio output thread (%p) (pid == %i)
\n
"
,
p_aout
,
getpid
());
/* As the s32_buffer was created with calloc(), we don't have to set this
* memory to zero and we can immediately jump into the thread's loop */
while
(
!
p_aout
->
b_die
)
{
vlc_mutex_lock
(
&
p_aout
->
fifos_lock
);
for
(
i_fifo
=
0
;
i_fifo
<
AOUT_MAX_FIFOS
;
i_fifo
++
)
{
switch
(
p_aout
->
fifo
[
i_fifo
].
i_type
)
{
case
AOUT_EMPTY_FIFO
:
break
;
case
AOUT_INTF_MONO_FIFO
:
if
(
p_aout
->
fifo
[
i_fifo
].
l_units
>
p_aout
->
l_units
)
{
l_buffer
=
0
;
while
(
l_buffer
<
(
p_aout
->
l_units
<<
1
)
)
/* p_aout->b_stereo == 1 */
{
p_aout
->
s32_buffer
[
l_buffer
++
]
+=
(
s32
)(
((
s16
*
)
p_aout
->
fifo
[
i_fifo
].
buffer
)[
p_aout
->
fifo
[
i_fifo
].
l_unit
]
);
p_aout
->
s32_buffer
[
l_buffer
++
]
+=
(
s32
)(
((
s16
*
)
p_aout
->
fifo
[
i_fifo
].
buffer
)[
p_aout
->
fifo
[
i_fifo
].
l_unit
]
);
UPDATE_INCREMENT
(
p_aout
->
fifo
[
i_fifo
].
unit_increment
,
p_aout
->
fifo
[
i_fifo
].
l_unit
)
}
p_aout
->
fifo
[
i_fifo
].
l_units
-=
p_aout
->
l_units
;
}
else
{
l_buffer
=
0
;
while
(
l_buffer
<
(
p_aout
->
fifo
[
i_fifo
].
l_units
<<
1
)
)
/* p_aout->b_stereo == 1 */
{
p_aout
->
s32_buffer
[
l_buffer
++
]
+=
(
s32
)(
((
s16
*
)
p_aout
->
fifo
[
i_fifo
].
buffer
)[
p_aout
->
fifo
[
i_fifo
].
l_unit
]
);
p_aout
->
s32_buffer
[
l_buffer
++
]
+=
(
s32
)(
((
s16
*
)
p_aout
->
fifo
[
i_fifo
].
buffer
)[
p_aout
->
fifo
[
i_fifo
].
l_unit
]
);
UPDATE_INCREMENT
(
p_aout
->
fifo
[
i_fifo
].
unit_increment
,
p_aout
->
fifo
[
i_fifo
].
l_unit
)
}
free
(
p_aout
->
fifo
[
i_fifo
].
buffer
);
/* !! */
p_aout
->
fifo
[
i_fifo
].
i_type
=
AOUT_EMPTY_FIFO
;
/* !! */
intf_DbgMsg
(
"aout debug: audio output fifo (%p) destroyed
\n
"
,
&
p_aout
->
fifo
[
i_fifo
]);
/* !! */
}
break
;
case
AOUT_INTF_STEREO_FIFO
:
if
(
p_aout
->
fifo
[
i_fifo
].
l_units
>
p_aout
->
l_units
)
{
l_buffer
=
0
;
while
(
l_buffer
<
(
p_aout
->
l_units
<<
1
)
)
/* p_aout->b_stereo == 1 */
{
p_aout
->
s32_buffer
[
l_buffer
++
]
+=
(
s32
)(
((
s16
*
)
p_aout
->
fifo
[
i_fifo
].
buffer
)[
2
*
p_aout
->
fifo
[
i_fifo
].
l_unit
]
);
p_aout
->
s32_buffer
[
l_buffer
++
]
+=
(
s32
)(
((
s16
*
)
p_aout
->
fifo
[
i_fifo
].
buffer
)[
2
*
p_aout
->
fifo
[
i_fifo
].
l_unit
+
1
]
);
UPDATE_INCREMENT
(
p_aout
->
fifo
[
i_fifo
].
unit_increment
,
p_aout
->
fifo
[
i_fifo
].
l_unit
)
}
p_aout
->
fifo
[
i_fifo
].
l_units
-=
p_aout
->
l_units
;
}
else
{
l_buffer
=
0
;
while
(
l_buffer
<
(
p_aout
->
fifo
[
i_fifo
].
l_units
<<
1
)
)
/* p_aout->b_stereo == 1 */
{
p_aout
->
s32_buffer
[
l_buffer
++
]
+=
(
s32
)(
((
s16
*
)
p_aout
->
fifo
[
i_fifo
].
buffer
)[
2
*
p_aout
->
fifo
[
i_fifo
].
l_unit
]
);
p_aout
->
s32_buffer
[
l_buffer
++
]
+=
(
s32
)(
((
s16
*
)
p_aout
->
fifo
[
i_fifo
].
buffer
)[
2
*
p_aout
->
fifo
[
i_fifo
].
l_unit
+
1
]
);
UPDATE_INCREMENT
(
p_aout
->
fifo
[
i_fifo
].
unit_increment
,
p_aout
->
fifo
[
i_fifo
].
l_unit
)
}
free
(
p_aout
->
fifo
[
i_fifo
].
buffer
);
/* !! */
p_aout
->
fifo
[
i_fifo
].
i_type
=
AOUT_EMPTY_FIFO
;
/* !! */
intf_DbgMsg
(
"aout debug: audio output fifo (%p) destroyed
\n
"
,
&
p_aout
->
fifo
[
i_fifo
]);
/* !! */
}
break
;
case
AOUT_ADEC_MONO_FIFO
:
if
(
p_aout
->
fifo
[
i_fifo
].
b_die
)
{
free
(
p_aout
->
fifo
[
i_fifo
].
buffer
);
free
(
p_aout
->
fifo
[
i_fifo
].
date
);
p_aout
->
fifo
[
i_fifo
].
i_type
=
AOUT_EMPTY_FIFO
;
/* !! */
intf_DbgMsg
(
"aout debug: audio output fifo (%p) destroyed
\n
"
,
&
p_aout
->
fifo
[
i_fifo
]);
continue
;
}
l_units
=
p_aout
->
l_units
;
l_buffer
=
0
;
while
(
l_units
>
0
)
{
if
(
!
p_aout
->
fifo
[
i_fifo
].
b_next_frame
)
{
if
(
NextFrame
(
p_aout
,
&
p_aout
->
fifo
[
i_fifo
],
p_aout
->
date
+
((((
mtime_t
)(
l_buffer
>>
1
))
*
1000000
)
/
((
mtime_t
)
p_aout
->
l_rate
)))
)
{
break
;
}
}
if
(
p_aout
->
fifo
[
i_fifo
].
l_units
>
l_units
)
{
l_buffer_limit
=
p_aout
->
l_units
<<
1
;
/* p_aout->b_stereo == 1 */
while
(
l_buffer
<
l_buffer_limit
)
{
p_aout
->
s32_buffer
[
l_buffer
++
]
+=
(
s32
)(
((
s16
*
)
p_aout
->
fifo
[
i_fifo
].
buffer
)[
p_aout
->
fifo
[
i_fifo
].
l_unit
]
);
p_aout
->
s32_buffer
[
l_buffer
++
]
+=
(
s32
)(
((
s16
*
)
p_aout
->
fifo
[
i_fifo
].
buffer
)[
p_aout
->
fifo
[
i_fifo
].
l_unit
]
);
UPDATE_INCREMENT
(
p_aout
->
fifo
[
i_fifo
].
unit_increment
,
p_aout
->
fifo
[
i_fifo
].
l_unit
)
if
(
p_aout
->
fifo
[
i_fifo
].
l_unit
>=
/* p_aout->fifo[i_fifo].b_stereo == 0 */
((
AOUT_FIFO_SIZE
+
1
)
*
(
p_aout
->
fifo
[
i_fifo
].
l_frame_size
>>
0
))
)
{
p_aout
->
fifo
[
i_fifo
].
l_unit
-=
/* p_aout->fifo[i_fifo].b_stereo == 0 */
((
AOUT_FIFO_SIZE
+
1
)
*
(
p_aout
->
fifo
[
i_fifo
].
l_frame_size
>>
0
));
}
}
p_aout
->
fifo
[
i_fifo
].
l_units
-=
l_units
;
break
;
}
else
{
l_buffer_limit
=
l_buffer
+
(
p_aout
->
fifo
[
i_fifo
].
l_units
<<
1
);
/* p_aout->b_stereo == 1 */
while
(
l_buffer
<
l_buffer_limit
)
{
p_aout
->
s32_buffer
[
l_buffer
++
]
+=
(
s32
)(
((
s16
*
)
p_aout
->
fifo
[
i_fifo
].
buffer
)[
p_aout
->
fifo
[
i_fifo
].
l_unit
]
);
p_aout
->
s32_buffer
[
l_buffer
++
]
+=
(
s32
)(
((
s16
*
)
p_aout
->
fifo
[
i_fifo
].
buffer
)[
p_aout
->
fifo
[
i_fifo
].
l_unit
]
);
UPDATE_INCREMENT
(
p_aout
->
fifo
[
i_fifo
].
unit_increment
,
p_aout
->
fifo
[
i_fifo
].
l_unit
)
if
(
p_aout
->
fifo
[
i_fifo
].
l_unit
>=
/* p_aout->fifo[i_fifo].b_stereo == 0 */
((
AOUT_FIFO_SIZE
+
1
)
*
(
p_aout
->
fifo
[
i_fifo
].
l_frame_size
>>
0
))
)
{
p_aout
->
fifo
[
i_fifo
].
l_unit
-=
/* p_aout->fifo[i_fifo].b_stereo == 0 */
((
AOUT_FIFO_SIZE
+
1
)
*
(
p_aout
->
fifo
[
i_fifo
].
l_frame_size
>>
0
));
}
}
l_units
-=
p_aout
->
fifo
[
i_fifo
].
l_units
;
vlc_mutex_lock
(
&
p_aout
->
fifo
[
i_fifo
].
data_lock
);
p_aout
->
fifo
[
i_fifo
].
l_start_frame
=
p_aout
->
fifo
[
i_fifo
].
l_next_frame
;
vlc_cond_signal
(
&
p_aout
->
fifo
[
i_fifo
].
data_wait
);
vlc_mutex_unlock
(
&
p_aout
->
fifo
[
i_fifo
].
data_lock
);
/* p_aout->fifo[i_fifo].b_start_frame = 1; */
p_aout
->
fifo
[
i_fifo
].
l_next_frame
+=
1
;
p_aout
->
fifo
[
i_fifo
].
l_next_frame
&=
AOUT_FIFO_SIZE
;
p_aout
->
fifo
[
i_fifo
].
b_next_frame
=
0
;
}
}
break
;
case
AOUT_ADEC_STEREO_FIFO
:
if
(
p_aout
->
fifo
[
i_fifo
].
b_die
)
{
free
(
p_aout
->
fifo
[
i_fifo
].
buffer
);
free
(
p_aout
->
fifo
[
i_fifo
].
date
);
p_aout
->
fifo
[
i_fifo
].
i_type
=
AOUT_EMPTY_FIFO
;
/* !! */
intf_DbgMsg
(
"aout debug: audio output fifo (%p) destroyed
\n
"
,
&
p_aout
->
fifo
[
i_fifo
]);
continue
;
}
l_units
=
p_aout
->
l_units
;
l_buffer
=
0
;
while
(
l_units
>
0
)
{
if
(
!
p_aout
->
fifo
[
i_fifo
].
b_next_frame
)
{
if
(
NextFrame
(
p_aout
,
&
p_aout
->
fifo
[
i_fifo
],
p_aout
->
date
+
((((
mtime_t
)(
l_buffer
>>
1
))
*
1000000
)
/
((
mtime_t
)
p_aout
->
l_rate
)))
)
{
break
;
}
}
if
(
p_aout
->
fifo
[
i_fifo
].
l_units
>
l_units
)
{
l_buffer_limit
=
p_aout
->
l_units
<<
1
;
/* p_aout->b_stereo == 1 */
while
(
l_buffer
<
l_buffer_limit
)
{
p_aout
->
s32_buffer
[
l_buffer
++
]
+=
(
s32
)(
((
s16
*
)
p_aout
->
fifo
[
i_fifo
].
buffer
)[
2
*
p_aout
->
fifo
[
i_fifo
].
l_unit
]
);
p_aout
->
s32_buffer
[
l_buffer
++
]
+=
(
s32
)(
((
s16
*
)
p_aout
->
fifo
[
i_fifo
].
buffer
)[
2
*
p_aout
->
fifo
[
i_fifo
].
l_unit
+
1
]
);
UPDATE_INCREMENT
(
p_aout
->
fifo
[
i_fifo
].
unit_increment
,
p_aout
->
fifo
[
i_fifo
].
l_unit
)
if
(
p_aout
->
fifo
[
i_fifo
].
l_unit
>=
/* p_aout->fifo[i_fifo].b_stereo == 1 */
((
AOUT_FIFO_SIZE
+
1
)
*
(
p_aout
->
fifo
[
i_fifo
].
l_frame_size
>>
1
))
)
{
p_aout
->
fifo
[
i_fifo
].
l_unit
-=
/* p_aout->fifo[i_fifo].b_stereo == 1 */
((
AOUT_FIFO_SIZE
+
1
)
*
(
p_aout
->
fifo
[
i_fifo
].
l_frame_size
>>
1
));
}
}
p_aout
->
fifo
[
i_fifo
].
l_units
-=
l_units
;
break
;
}
else
{
l_buffer_limit
=
l_buffer
+
(
p_aout
->
fifo
[
i_fifo
].
l_units
<<
1
);
/* p_aout->b_stereo == 1 */
while
(
l_buffer
<
l_buffer_limit
)
{
p_aout
->
s32_buffer
[
l_buffer
++
]
+=
(
s32
)(
((
s16
*
)
p_aout
->
fifo
[
i_fifo
].
buffer
)[
2
*
p_aout
->
fifo
[
i_fifo
].
l_unit
]
);
p_aout
->
s32_buffer
[
l_buffer
++
]
+=
(
s32
)(
((
s16
*
)
p_aout
->
fifo
[
i_fifo
].
buffer
)[
2
*
p_aout
->
fifo
[
i_fifo
].
l_unit
+
1
]
);
UPDATE_INCREMENT
(
p_aout
->
fifo
[
i_fifo
].
unit_increment
,
p_aout
->
fifo
[
i_fifo
].
l_unit
)
if
(
p_aout
->
fifo
[
i_fifo
].
l_unit
>=
/* p_aout->fifo[i_fifo].b_stereo == 1 */
((
AOUT_FIFO_SIZE
+
1
)
*
(
p_aout
->
fifo
[
i_fifo
].
l_frame_size
>>
1
))
)
{
p_aout
->
fifo
[
i_fifo
].
l_unit
-=
/* p_aout->fifo[i_fifo].b_stereo == 1 */
((
AOUT_FIFO_SIZE
+
1
)
*
(
p_aout
->
fifo
[
i_fifo
].
l_frame_size
>>
1
));
}
}
l_units
-=
p_aout
->
fifo
[
i_fifo
].
l_units
;
vlc_mutex_lock
(
&
p_aout
->
fifo
[
i_fifo
].
data_lock
);
p_aout
->
fifo
[
i_fifo
].
l_start_frame
=
p_aout
->
fifo
[
i_fifo
].
l_next_frame
;
vlc_cond_signal
(
&
p_aout
->
fifo
[
i_fifo
].
data_wait
);
vlc_mutex_unlock
(
&
p_aout
->
fifo
[
i_fifo
].
data_lock
);
/* p_aout->fifo[i_fifo].b_start_frame = 1; */
p_aout
->
fifo
[
i_fifo
].
l_next_frame
+=
1
;
p_aout
->
fifo
[
i_fifo
].
l_next_frame
&=
AOUT_FIFO_SIZE
;
p_aout
->
fifo
[
i_fifo
].
b_next_frame
=
0
;
}
}
break
;
default:
intf_DbgMsg
(
"aout debug: unknown fifo type (%i)
\n
"
,
p_aout
->
fifo
[
i_fifo
].
i_type
);
break
;
}
}
vlc_mutex_unlock
(
&
p_aout
->
fifos_lock
);
l_buffer_limit
=
p_aout
->
l_units
<<
1
;
/* p_aout->b_stereo == 1 */
for
(
l_buffer
=
0
;
l_buffer
<
l_buffer_limit
;
l_buffer
++
)
{
((
u8
*
)
p_aout
->
buffer
)[
l_buffer
]
=
(
u8
)(
(
p_aout
->
s32_buffer
[
l_buffer
]
/
256
)
+
128
);
p_aout
->
s32_buffer
[
l_buffer
]
=
0
;
}
l_bytes
=
p_aout
->
p_sys_getbufinfo
(
p_aout
,
l_buffer_limit
);
p_aout
->
date
=
mdate
()
+
((((
mtime_t
)(
l_bytes
/
2
))
*
1000000
)
/
((
mtime_t
)
p_aout
->
l_rate
));
/* sizeof(u8) << (p_aout->b_stereo) == 2 */
p_aout
->
p_sys_playsamples
(
p_aout
,
(
byte_t
*
)
p_aout
->
buffer
,
l_buffer_limit
*
sizeof
(
u8
)
);
if
(
l_bytes
>
(
l_buffer_limit
*
sizeof
(
u8
))
)
{
msleep
(
p_aout
->
l_msleep
);
}
}
vlc_mutex_lock
(
&
p_aout
->
fifos_lock
);
for
(
i_fifo
=
0
;
i_fifo
<
AOUT_MAX_FIFOS
;
i_fifo
++
)
{
switch
(
p_aout
->
fifo
[
i_fifo
].
i_type
)
{
case
AOUT_EMPTY_FIFO
:
break
;
case
AOUT_INTF_MONO_FIFO
:
case
AOUT_INTF_STEREO_FIFO
:
free
(
p_aout
->
fifo
[
i_fifo
].
buffer
);
/* !! */
p_aout
->
fifo
[
i_fifo
].
i_type
=
AOUT_EMPTY_FIFO
;
/* !! */
intf_DbgMsg
(
"aout debug: audio output fifo (%p) destroyed
\n
"
,
&
p_aout
->
fifo
[
i_fifo
]);
break
;
case
AOUT_ADEC_MONO_FIFO
:
case
AOUT_ADEC_STEREO_FIFO
:
free
(
p_aout
->
fifo
[
i_fifo
].
buffer
);
free
(
p_aout
->
fifo
[
i_fifo
].
date
);
p_aout
->
fifo
[
i_fifo
].
i_type
=
AOUT_EMPTY_FIFO
;
/* !! */
intf_DbgMsg
(
"aout debug: audio output fifo (%p) destroyed
\n
"
,
&
p_aout
->
fifo
[
i_fifo
]);
break
;
default:
break
;
}
}
vlc_mutex_unlock
(
&
p_aout
->
fifos_lock
);
}
void
aout_Thread_S16_Mono
(
aout_thread_t
*
p_aout
)
...
...
@@ -560,6 +847,7 @@ void aout_Thread_S16_Stereo( aout_thread_t * p_aout )
long
l_buffer
,
l_buffer_limit
;
long
l_units
,
l_bytes
;
intf_DbgMsg
(
"adec debug: ********aout_Thread_S16_Stereo********
\n
"
);
intf_DbgMsg
(
"adec debug: running audio output thread (%p) (pid == %i)
\n
"
,
p_aout
,
getpid
());
/* As the s32_buffer was created with calloc(), we don't have to set this
...
...
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