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videolan
vlc
Commits
6598d092
Commit
6598d092
authored
Jun 23, 2012
by
Rafaël Carré
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opensles: implement pause, flush, and lipsync
parent
3e140bd0
Changes
1
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1 changed file
with
56 additions
and
6 deletions
+56
-6
modules/audio_output/opensles_android.c
modules/audio_output/opensles_android.c
+56
-6
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modules/audio_output/opensles_android.c
View file @
6598d092
/*****************************************************************************
* opensles_android.c : audio output for android native code
*****************************************************************************
* Copyright © 2011 VideoLAN
* Copyright © 2011
-2012
VideoLAN
*
* Authors: Dominique Martinet <asmadeus@codewreck.org>
* Hugo Beauzée-Luyssen <beauze.h@gmail.com>
* Rafaël Carré <funman@videolanorg>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
...
...
@@ -52,6 +53,7 @@
(*a)->CreateAudioPlayer(a, b, c, d, e, f, g)
#define Enqueue(a, b, c) (*a)->Enqueue(a, b, c)
#define Clear(a) (*a)->Clear(a)
#define GetState(a, b) (*a)->GetState(a, b)
/*****************************************************************************
* aout_sys_t: audio output method descriptor
...
...
@@ -71,6 +73,7 @@ struct aout_sys_t
vlc_mutex_t
lock
;
block_t
*
p_chain
;
block_t
**
pp_last
;
mtime_t
length
;
void
*
p_so_handle
;
};
...
...
@@ -112,6 +115,29 @@ static void Clean( aout_sys_t *p_sys )
free
(
p_sys
);
}
static
void
Flush
(
audio_output_t
*
p_aout
,
bool
wait
)
{
(
void
)
wait
;
/* FIXME */
aout_sys_t
*
p_sys
=
p_aout
->
sys
;
vlc_mutex_lock
(
&
p_sys
->
lock
);
SetPlayState
(
p_sys
->
playerPlay
,
SL_PLAYSTATE_STOPPED
);
Clear
(
p_sys
->
playerBufferQueue
);
SetPlayState
(
p_sys
->
playerPlay
,
SL_PLAYSTATE_PLAYING
);
block_ChainRelease
(
p_sys
->
p_chain
);
p_sys
->
p_chain
=
NULL
;
p_sys
->
pp_last
=
&
p_sys
->
p_chain
;
vlc_mutex_unlock
(
&
p_sys
->
lock
);
}
static
void
Pause
(
audio_output_t
*
p_aout
,
bool
pause
,
mtime_t
date
)
{
(
void
)
date
;
aout_sys_t
*
p_sys
=
p_aout
->
sys
;
SetPlayState
(
p_sys
->
playerPlay
,
pause
?
SL_PLAYSTATE_PAUSED
:
SL_PLAYSTATE_PLAYING
);
}
/*****************************************************************************
* Play: play a sound
*****************************************************************************/
...
...
@@ -119,10 +145,24 @@ static void Play( audio_output_t *p_aout, block_t *p_buffer )
{
aout_sys_t
*
p_sys
=
p_aout
->
sys
;
int
tries
=
5
;
block_t
**
pp_last
,
*
p_block
;;
block_t
**
pp_last
,
*
p_block
;
SLAndroidSimpleBufferQueueState
st
;
SLresult
res
=
GetState
(
p_sys
->
playerBufferQueue
,
&
st
);
if
(
unlikely
(
res
!=
SL_RESULT_SUCCESS
))
{
msg_Err
(
p_aout
,
"Could not query buffer queue state (%lu)"
,
res
);
st
.
count
=
0
;
}
if
(
!
p_buffer
->
i_length
)
{
p_buffer
->
i_length
=
(
mtime_t
)(
p_buffer
->
i_buffer
/
2
/
p_aout
->
format
.
i_channels
)
*
CLOCK_FREQ
/
p_aout
->
format
.
i_rate
;
}
vlc_mutex_lock
(
&
p_sys
->
lock
);
mtime_t
delay
=
p_sys
->
length
;
p_sys
->
length
+=
p_buffer
->
i_length
;
/* If something bad happens, we must remove this buffer from the FIFO */
pp_last
=
p_sys
->
pp_last
;
p_block
=
*
pp_last
;
...
...
@@ -130,6 +170,10 @@ static void Play( audio_output_t *p_aout, block_t *p_buffer )
block_ChainLastAppend
(
&
p_sys
->
pp_last
,
p_buffer
);
vlc_mutex_unlock
(
&
p_sys
->
lock
);
if
(
delay
&&
st
.
count
)
{
aout_TimeReport
(
p_aout
,
p_buffer
->
i_pts
-
delay
);
}
for
(;;)
{
SLresult
result
=
Enqueue
(
p_sys
->
playerBufferQueue
,
p_buffer
->
p_buffer
,
...
...
@@ -143,6 +187,7 @@ static void Play( audio_output_t *p_aout, block_t *p_buffer )
if
(
tries
--
)
{
// Wait a bit to retry.
// FIXME: buffer in aout_sys_t and retry at next Play() call
msleep
(
CLOCK_FREQ
);
continue
;
}
...
...
@@ -152,6 +197,7 @@ static void Play( audio_output_t *p_aout, block_t *p_buffer )
vlc_mutex_lock
(
&
p_sys
->
lock
);
p_sys
->
pp_last
=
pp_last
;
*
pp_last
=
p_block
;
p_sys
->
length
-=
p_buffer
->
i_length
;
vlc_mutex_unlock
(
&
p_sys
->
lock
);
block_Release
(
p_buffer
);
case
SL_RESULT_SUCCESS
:
...
...
@@ -162,8 +208,10 @@ static void Play( audio_output_t *p_aout, block_t *p_buffer )
static
void
PlayedCallback
(
SLAndroidSimpleBufferQueueItf
caller
,
void
*
pContext
)
{
(
void
)
caller
;
block_t
*
p_block
;
aout_sys_t
*
p_sys
=
pContext
;
audio_output_t
*
p_aout
=
pContext
;
aout_sys_t
*
p_sys
=
p_aout
->
sys
;
assert
(
caller
==
p_sys
->
playerBufferQueue
);
...
...
@@ -178,6 +226,8 @@ static void PlayedCallback (SLAndroidSimpleBufferQueueItf caller, void *pContext
if
(
!
p_sys
->
p_chain
)
p_sys
->
pp_last
=
&
p_sys
->
p_chain
;
p_sys
->
length
-=
p_block
->
i_length
;
vlc_mutex_unlock
(
&
p_sys
->
lock
);
block_Release
(
p_block
);
...
...
@@ -305,7 +355,7 @@ static int Open( vlc_object_t *p_this )
CHECK_OPENSL_ERROR
(
"Failed to get buff queue interface"
);
result
=
RegisterCallback
(
p_sys
->
playerBufferQueue
,
PlayedCallback
,
(
void
*
)
p_
sys
);
(
void
*
)
p_
aout
);
CHECK_OPENSL_ERROR
(
"Failed to register buff queue callback."
);
...
...
@@ -321,8 +371,8 @@ static int Open( vlc_object_t *p_this )
p_aout
->
format
.
i_format
=
VLC_CODEC_S16L
;
p_aout
->
format
.
i_physical_channels
=
AOUT_CHAN_LEFT
|
AOUT_CHAN_RIGHT
;
p_aout
->
pf_play
=
Play
;
p_aout
->
pf_pause
=
NULL
;
p_aout
->
pf_flush
=
NULL
;
p_aout
->
pf_pause
=
Pause
;
p_aout
->
pf_flush
=
Flush
;
aout_FormatPrepare
(
&
p_aout
->
format
);
...
...
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