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videolan
vlc-gpu
Commits
9af57553
Commit
9af57553
authored
Nov 05, 2007
by
Rémi Denis-Courmont
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Plain Diff
Cosmetic fix (excessive indentation)
parent
35c8e86d
Changes
1
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Showing
1 changed file
with
79 additions
and
88 deletions
+79
-88
modules/audio_output/alsa.c
modules/audio_output/alsa.c
+79
-88
No files found.
modules/audio_output/alsa.c
View file @
9af57553
...
...
@@ -788,117 +788,108 @@ static void ALSAFill( aout_instance_t * p_aout )
mtime_t
next_date
;
/* Fill in the buffer until space or audio output buffer shortage */
/* Get the status */
i_snd_rc
=
snd_pcm_status
(
p_sys
->
p_snd_pcm
,
p_status
);
if
(
i_snd_rc
<
0
)
{
/* Get the status */
i_snd_rc
=
snd_pcm_status
(
p_sys
->
p_snd_pcm
,
p_status
);
if
(
i_snd_rc
<
0
)
{
msg_Err
(
p_aout
,
"unable to get the device's status (%s)"
,
snd_strerror
(
i_snd_rc
)
);
msg_Err
(
p_aout
,
"cannot get device status"
);
goto
error
;
}
msleep
(
p_sys
->
i_period_time
>>
1
);
return
;
}
/* Handle buffer underruns and get the status again */
if
(
snd_pcm_status_get_state
(
p_status
)
==
SND_PCM_STATE_XRUN
)
{
/* Prepare the device */
i_snd_rc
=
snd_pcm_prepare
(
p_sys
->
p_snd_pcm
);
/* Handle buffer underruns and get the status again */
if
(
snd_pcm_status_get_state
(
p_status
)
==
SND_PCM_STATE_XRUN
)
if
(
i_snd_rc
)
{
/* Prepare the device */
i_snd_rc
=
snd_pcm_prepare
(
p_sys
->
p_snd_pcm
);
msg_Err
(
p_aout
,
"cannot recover from buffer underrun"
);
goto
error
;
}
if
(
i_snd_rc
==
0
)
{
msg_Dbg
(
p_aout
,
"recovered from buffer underrun"
);
msg_Dbg
(
p_aout
,
"recovered from buffer underrun"
);
/* Get the new status */
i_snd_rc
=
snd_pcm_status
(
p_sys
->
p_snd_pcm
,
p_status
);
if
(
i_snd_rc
<
0
)
{
msg_Err
(
p_aout
,
"unable to get the device's status after "
"recovery (%s)"
,
snd_strerror
(
i_snd_rc
)
);
msleep
(
p_sys
->
i_period_time
>>
1
);
return
;
}
}
else
{
msg_Err
(
p_aout
,
"unable to recover from buffer underrun"
);
/* Get the new status */
i_snd_rc
=
snd_pcm_status
(
p_sys
->
p_snd_pcm
,
p_status
);
if
(
i_snd_rc
<
0
)
{
msg_Err
(
p_aout
,
"cannot get device status after recovery"
);
goto
error
;
}
msleep
(
p_sys
->
i_period_time
>>
1
);
return
;
}
/* Underrun, try to recover as quickly as possible */
next_date
=
mdate
();
}
else
{
/* Here the device should be in RUNNING state.
* p_status is valid. */
/* Underrun, try to recover as quickly as possible */
next_date
=
mdate
();
#if 0
/* This apparently does not work correctly in Alsa 1.0.11 */
snd_pcm_status_get_tstamp( p_status, &ts_next );
next_date = (mtime_t)ts_next.tv_sec * 1000000 + ts_next.tv_usec;
if( next_date )
{
next_date += (mtime_t)snd_pcm_status_get_delay(p_status)
* 1000000 / p_aout->output.output.i_rate;
}
else
{
/* Here the device should be in RUNNING state.
* p_status is valid. */
#if 0
/* This apparently does not work correctly in Alsa 1.0.11 */
snd_pcm_status_get_tstamp( p_status, &ts_next );
next_date = (mtime_t)ts_next.tv_sec * 1000000 + ts_next.tv_usec;
if( next_date )
{
next_date += (mtime_t)snd_pcm_status_get_delay(p_status)
* 1000000 / p_aout->output.output.i_rate;
}
else
#endif
{
/* With screwed ALSA drivers the timestamp is always zero;
* use another method then */
snd_pcm_sframes_t
delay
=
0
;
{
/* With screwed ALSA drivers the timestamp is always zero;
* use another method then */
snd_pcm_sframes_t
delay
=
0
;
snd_pcm_delay
(
p_sys
->
p_snd_pcm
,
&
delay
);
next_date
=
mdate
()
+
(
mtime_t
)(
delay
)
*
1000000
/
p_aout
->
output
.
output
.
i_rate
snd_pcm_delay
(
p_sys
->
p_snd_pcm
,
&
delay
);
next_date
=
mdate
()
+
(
mtime_t
)(
delay
)
*
1000000
/
p_aout
->
output
.
output
.
i_rate
*
p_aout
->
output
.
output
.
i_frame_length
;
}
}
}
p_buffer
=
aout_OutputNextBuffer
(
p_aout
,
next_date
,
(
p_aout
->
output
.
output
.
i_format
==
VLC_FOURCC
(
's'
,
'p'
,
'd'
,
'i'
))
);
p_buffer
=
aout_OutputNextBuffer
(
p_aout
,
next_date
,
(
p_aout
->
output
.
output
.
i_format
==
VLC_FOURCC
(
's'
,
'p'
,
'd'
,
'i'
))
);
/* Audio output buffer shortage -> stop the fill process and wait */
if
(
p_buffer
==
NULL
)
{
msleep
(
p_sys
->
i_period_time
>>
1
);
return
;
}
/* Audio output buffer shortage -> stop the fill process and wait */
if
(
p_buffer
==
NULL
)
goto
error
;
for
(;;)
for
(;;)
{
i_snd_rc
=
snd_pcm_writei
(
p_sys
->
p_snd_pcm
,
p_buffer
->
p_buffer
,
p_buffer
->
i_nb_samples
);
if
(
i_snd_rc
!=
-
ESTRPIPE
)
break
;
/* a suspend event occurred
* (stream is suspended and waiting for an application recovery) */
msg_Dbg
(
p_aout
,
"entering in suspend mode, trying to resume..."
);
while
(
!
p_aout
->
b_die
&&
!
p_aout
->
p_libvlc
->
b_die
&&
(
i_snd_rc
=
snd_pcm_resume
(
p_sys
->
p_snd_pcm
)
)
==
-
EAGAIN
)
{
i_snd_rc
=
snd_pcm_writei
(
p_sys
->
p_snd_pcm
,
p_buffer
->
p_buffer
,
p_buffer
->
i_nb_samples
);
if
(
i_snd_rc
!=
-
ESTRPIPE
)
break
;
/* a suspend event occurred
* (stream is suspended and waiting for an application recovery) */
msg_Dbg
(
p_aout
,
"entering in suspend mode, trying to resume..."
);
while
(
!
p_aout
->
b_die
&&
!
p_aout
->
p_libvlc
->
b_die
&&
(
i_snd_rc
=
snd_pcm_resume
(
p_sys
->
p_snd_pcm
)
)
==
-
EAGAIN
)
msleep
(
100000
);
if
(
i_snd_rc
<
0
)
/* Device does not supprot resuming, restart it */
i_snd_rc
=
snd_pcm_prepare
(
p_sys
->
p_snd_pcm
);
msleep
(
1000000
);
}
if
(
i_snd_rc
<
0
)
{
msg_Err
(
p_aout
,
"write failed (%s)"
,
snd_strerror
(
i_snd_rc
)
);
}
/* Device does not supprot resuming, restart it */
i_snd_rc
=
snd_pcm_prepare
(
p_sys
->
p_snd_pcm
);
aout_BufferFree
(
p_buffer
);
}
if
(
i_snd_rc
<
0
)
msg_Err
(
p_aout
,
"cannot write: %s"
,
snd_strerror
(
i_snd_rc
)
);
aout_BufferFree
(
p_buffer
);
return
;
error:
if
(
i_snd_rc
<
0
)
msg_Err
(
p_aout
,
"ALSA error: %s"
,
snd_strerror
(
i_snd_rc
)
);
msleep
(
p_sys
->
i_period_time
>>
1
);
}
static
void
GetDevicesForCard
(
module_config_t
*
p_item
,
int
i_card
);
...
...
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