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miniaudio
Commits
6cf9ee7c
Commit
6cf9ee7c
authored
Oct 18, 2016
by
David Reid
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Plain Diff
Fix C++ build for GCC/ALSA.
parent
91fbc1b0
Changes
1
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1 changed file
with
24 additions
and
24 deletions
+24
-24
mini_al.h
mini_al.h
+24
-24
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mini_al.h
View file @
6cf9ee7c
...
...
@@ -1630,18 +1630,18 @@ mal_uint32 mal_device__wait_for_frames__alsa(mal_device* pDevice)
mal_assert
(
pDevice
!=
NULL
);
while
(
!
pDevice
->
alsa
.
breakFromMainLoop
)
{
snd_pcm_sframes_t
framesAvailable
=
snd_pcm_avail
(
pDevice
->
alsa
.
pPCM
);
snd_pcm_sframes_t
framesAvailable
=
snd_pcm_avail
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
);
if
(
framesAvailable
>=
pDevice
->
fragmentSizeInFrames
)
{
return
pDevice
->
fragmentSizeInFrames
;
}
if
(
framesAvailable
<
0
)
{
if
(
framesAvailable
==
-
EPIPE
)
{
if
(
snd_pcm_recover
(
pDevice
->
alsa
.
pPCM
,
framesAvailable
,
MAL_TRUE
)
<
0
)
{
if
(
snd_pcm_recover
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
,
framesAvailable
,
MAL_TRUE
)
<
0
)
{
return
0
;
}
framesAvailable
=
snd_pcm_avail
(
pDevice
->
alsa
.
pPCM
);
framesAvailable
=
snd_pcm_avail
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
);
if
(
framesAvailable
<
0
)
{
return
0
;
}
...
...
@@ -1649,15 +1649,15 @@ mal_uint32 mal_device__wait_for_frames__alsa(mal_device* pDevice)
}
const
int
timeoutInMilliseconds
=
20
;
// <-- The larger this value, the longer it'll take to stop the device!
int
waitResult
=
snd_pcm_wait
(
pDevice
->
alsa
.
pPCM
,
timeoutInMilliseconds
);
int
waitResult
=
snd_pcm_wait
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
,
timeoutInMilliseconds
);
if
(
waitResult
<
0
)
{
snd_pcm_recover
(
pDevice
->
alsa
.
pPCM
,
waitResult
,
MAL_TRUE
);
snd_pcm_recover
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
,
waitResult
,
MAL_TRUE
);
}
}
// We'll get here if the loop was terminated. Just return whatever's available, making sure it's never
// more than the size of a fragment.
snd_pcm_sframes_t
framesAvailable
=
snd_pcm_avail
(
pDevice
->
alsa
.
pPCM
);
snd_pcm_sframes_t
framesAvailable
=
snd_pcm_avail
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
);
if
(
framesAvailable
<
0
)
{
return
0
;
}
...
...
@@ -1693,7 +1693,7 @@ mal_bool32 mal_device_write__alsa(mal_device* pDevice)
snd_pcm_uframes_t
mappedOffset
;
snd_pcm_uframes_t
mappedFrames
=
framesAvailable
;
while
(
framesAvailable
>
0
)
{
int
result
=
snd_pcm_mmap_begin
(
pDevice
->
alsa
.
pPCM
,
&
pAreas
,
&
mappedOffset
,
&
mappedFrames
);
int
result
=
snd_pcm_mmap_begin
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
,
&
pAreas
,
&
mappedOffset
,
&
mappedFrames
);
if
(
result
<
0
)
{
return
MAL_FALSE
;
}
...
...
@@ -1701,9 +1701,9 @@ mal_bool32 mal_device_write__alsa(mal_device* pDevice)
void
*
pBuffer
=
(
mal_uint8
*
)
pAreas
[
0
].
addr
+
((
pAreas
[
0
].
first
+
(
mappedOffset
*
pAreas
[
0
].
step
))
/
8
);
mal_device__read_samples_from_client
(
pDevice
,
mappedFrames
*
pDevice
->
channels
,
pBuffer
);
result
=
snd_pcm_mmap_commit
(
pDevice
->
alsa
.
pPCM
,
mappedOffset
,
mappedFrames
);
if
(
result
<
0
||
result
!=
mappedFrames
)
{
snd_pcm_recover
(
pDevice
->
alsa
.
pPCM
,
result
,
MAL_TRUE
);
result
=
snd_pcm_mmap_commit
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
,
mappedOffset
,
mappedFrames
);
if
(
result
<
0
||
(
snd_pcm_uframes_t
)
result
!=
mappedFrames
)
{
snd_pcm_recover
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
,
result
,
MAL_TRUE
);
return
MAL_FALSE
;
}
...
...
@@ -1724,17 +1724,17 @@ mal_bool32 mal_device_write__alsa(mal_device* pDevice)
mal_device__read_samples_from_client
(
pDevice
,
framesAvailable
*
pDevice
->
channels
,
pDevice
->
alsa
.
pIntermediaryBuffer
);
snd_pcm_sframes_t
framesWritten
=
snd_pcm_writei
(
pDevice
->
alsa
.
pPCM
,
pDevice
->
alsa
.
pIntermediaryBuffer
,
framesAvailable
);
snd_pcm_sframes_t
framesWritten
=
snd_pcm_writei
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
,
pDevice
->
alsa
.
pIntermediaryBuffer
,
framesAvailable
);
if
(
framesWritten
<
0
)
{
if
(
framesWritten
==
-
EAGAIN
)
{
continue
;
// Just keep trying...
}
else
if
(
framesWritten
==
-
EPIPE
)
{
// Underrun. Just recover and try writing again.
if
(
snd_pcm_recover
(
pDevice
->
alsa
.
pPCM
,
framesWritten
,
MAL_TRUE
)
<
0
)
{
if
(
snd_pcm_recover
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
,
framesWritten
,
MAL_TRUE
)
<
0
)
{
return
MAL_FALSE
;
}
framesWritten
=
snd_pcm_writei
(
pDevice
->
alsa
.
pPCM
,
pDevice
->
alsa
.
pIntermediaryBuffer
,
framesAvailable
);
framesWritten
=
snd_pcm_writei
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
,
pDevice
->
alsa
.
pIntermediaryBuffer
,
framesAvailable
);
if
(
framesWritten
<
0
)
{
return
MAL_FALSE
;
}
...
...
@@ -1775,7 +1775,7 @@ mal_bool32 mal_device_read__alsa(mal_device* pDevice)
snd_pcm_uframes_t
mappedOffset
;
snd_pcm_uframes_t
mappedFrames
=
framesAvailable
;
while
(
framesAvailable
>
0
)
{
int
result
=
snd_pcm_mmap_begin
(
pDevice
->
alsa
.
pPCM
,
&
pAreas
,
&
mappedOffset
,
&
mappedFrames
);
int
result
=
snd_pcm_mmap_begin
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
,
&
pAreas
,
&
mappedOffset
,
&
mappedFrames
);
if
(
result
<
0
)
{
return
MAL_FALSE
;
}
...
...
@@ -1783,9 +1783,9 @@ mal_bool32 mal_device_read__alsa(mal_device* pDevice)
void
*
pBuffer
=
(
mal_uint8
*
)
pAreas
[
0
].
addr
+
((
pAreas
[
0
].
first
+
(
mappedOffset
*
pAreas
[
0
].
step
))
/
8
);
mal_device__send_samples_to_client
(
pDevice
,
mappedFrames
*
pDevice
->
channels
,
pBuffer
);
result
=
snd_pcm_mmap_commit
(
pDevice
->
alsa
.
pPCM
,
mappedOffset
,
mappedFrames
);
if
(
result
<
0
||
result
!=
mappedFrames
)
{
snd_pcm_recover
(
pDevice
->
alsa
.
pPCM
,
result
,
MAL_TRUE
);
result
=
snd_pcm_mmap_commit
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
,
mappedOffset
,
mappedFrames
);
if
(
result
<
0
||
(
snd_pcm_uframes_t
)
result
!=
mappedFrames
)
{
snd_pcm_recover
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
,
result
,
MAL_TRUE
);
return
MAL_FALSE
;
}
...
...
@@ -1800,17 +1800,17 @@ mal_bool32 mal_device_read__alsa(mal_device* pDevice)
return
MAL_FALSE
;
}
framesRead
=
snd_pcm_readi
(
pDevice
->
alsa
.
pPCM
,
pDevice
->
alsa
.
pIntermediaryBuffer
,
framesAvailable
);
framesRead
=
snd_pcm_readi
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
,
pDevice
->
alsa
.
pIntermediaryBuffer
,
framesAvailable
);
if
(
framesRead
<
0
)
{
if
(
framesRead
==
-
EAGAIN
)
{
continue
;
// Just keep trying...
}
else
if
(
framesRead
==
-
EPIPE
)
{
// Overrun. Just recover and try reading again.
if
(
snd_pcm_recover
(
pDevice
->
alsa
.
pPCM
,
framesRead
,
MAL_TRUE
)
<
0
)
{
if
(
snd_pcm_recover
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
,
framesRead
,
MAL_TRUE
)
<
0
)
{
return
MAL_FALSE
;
}
framesRead
=
snd_pcm_readi
(
pDevice
->
alsa
.
pPCM
,
pDevice
->
alsa
.
pIntermediaryBuffer
,
pDevice
->
fragmentSizeInFrames
);
framesRead
=
snd_pcm_readi
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
,
pDevice
->
alsa
.
pIntermediaryBuffer
,
pDevice
->
fragmentSizeInFrames
);
if
(
framesRead
<
0
)
{
return
MAL_FALSE
;
}
...
...
@@ -1893,7 +1893,7 @@ void mal_device_uninit__alsa(mal_device* pDevice)
{
mal_assert
(
pDevice
!=
NULL
);
if
(
pDevice
->
alsa
.
pPCM
)
{
if
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
)
{
snd_pcm_close
((
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
);
if
(
pDevice
->
alsa
.
pIntermediaryBuffer
!=
NULL
)
{
...
...
@@ -2051,14 +2051,14 @@ static mal_result mal_device__start_backend__alsa(mal_device* pDevice)
mal_assert
(
pDevice
!=
NULL
);
// Prepare the device first...
snd_pcm_prepare
(
pDevice
->
alsa
.
pPCM
);
snd_pcm_prepare
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
);
// ... and then grab an initial fragment from the client. After this is done, the device should
// automatically start playing, since that's how we configured the software parameters.
if
(
pDevice
->
type
==
mal_device_type_playback
)
{
mal_device_write__alsa
(
pDevice
);
}
else
{
snd_pcm_start
(
pDevice
->
alsa
.
pPCM
);
snd_pcm_start
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
);
}
return
MAL_SUCCESS
;
...
...
@@ -2068,7 +2068,7 @@ static mal_result mal_device__stop_backend__alsa(mal_device* pDevice)
{
mal_assert
(
pDevice
!=
NULL
);
snd_pcm_drop
(
pDevice
->
alsa
.
pPCM
);
snd_pcm_drop
(
(
snd_pcm_t
*
)
pDevice
->
alsa
.
pPCM
);
return
MAL_SUCCESS
;
}
...
...
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