/*****************************************************************************
* 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
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
+ * You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#include <vlc_aout.h>
#include <assert.h>
#include <dlfcn.h>
+#include <math.h>
// For native audio
#include <SLES/OpenSLES.h>
#include <SLES/OpenSLES_Android.h>
-// Maximum number of buffers to enqueue.
-#define BUFF_QUEUE 42
+#define Destroy(a) (*a)->Destroy(a);
+#define SetPlayState(a, b) (*a)->SetPlayState(a, b)
+#define RegisterCallback(a, b, c) (*a)->RegisterCallback(a, b, c)
+#define GetInterface(a, b, c) (*a)->GetInterface(a, b, c)
+#define Realize(a, b) (*a)->Realize(a, b)
+#define CreateOutputMix(a, b, c, d, e) (*a)->CreateOutputMix(a, b, c, d, e)
+#define CreateAudioPlayer(a, b, c, d, e, f, g) \
+ (*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)
+#define SetPositionUpdatePeriod(a, b) (*a)->SetPositionUpdatePeriod(a, b)
+#define SetVolumeLevel(a, b) (*a)->SetVolumeLevel(a, b)
+#define SetMute(a, b) (*a)->SetMute(a, b)
/*****************************************************************************
* aout_sys_t: audio output method descriptor
struct aout_sys_t
{
SLObjectItf engineObject;
- SLEngineItf engineEngine;
SLObjectItf outputMixObject;
SLAndroidSimpleBufferQueueItf playerBufferQueue;
SLObjectItf playerObject;
+ SLVolumeItf volumeItf;
+
SLPlayItf playerPlay;
- aout_buffer_t * p_buffer_array[BUFF_QUEUE];
- int i_toclean_buffer;
- int i_toappend_buffer;
- SLInterfaceID * SL_IID_ENGINE;
- SLInterfaceID * SL_IID_ANDROIDSIMPLEBUFFERQUEUE;
- SLInterfaceID * SL_IID_VOLUME;
- SLInterfaceID * SL_IID_PLAY;
- void * p_so_handle;
-};
-typedef SLresult (*slCreateEngine_t)(
- SLObjectItf*, SLuint32, const SLEngineOption*, SLuint32,
- const SLInterfaceID*, const SLboolean* );
+ vlc_mutex_t lock;
+ mtime_t length;
+
+ int buffers;
+ mtime_t last_callback;
+
+ /* audio buffered through opensles */
+ block_t *p_chain;
+ block_t **pp_last;
+
+ /* audio not yet buffered through opensles */
+ block_t *p_buffer_chain;
+ block_t **pp_buffer_last;
+
+ void *p_so_handle;
+ audio_sample_format_t format;
+};
/*****************************************************************************
* Local prototypes.
*****************************************************************************/
static int Open ( vlc_object_t * );
-static void Close ( vlc_object_t * );
-static void Play ( audio_output_t *, block_t * );
-static void PlayedCallback ( SLAndroidSimpleBufferQueueItf caller, void *pContext);
/*****************************************************************************
* Module descriptor
set_capability( "audio output", 170 )
add_shortcut( "opensles", "android" )
- set_callbacks( Open, Close )
+ set_callbacks( Open, NULL )
vlc_module_end ()
-#define CHECK_OPENSL_ERROR( res, msg ) \
- if( unlikely( res != SL_RESULT_SUCCESS ) ) \
- { \
- msg_Err( p_aout, msg" (%lu)", res ); \
- goto error; \
+static void Clean( aout_sys_t *p_sys )
+{
+ if( p_sys->playerObject )
+ Destroy( p_sys->playerObject );
+ if( p_sys->outputMixObject )
+ Destroy( p_sys->outputMixObject );
+ if( p_sys->engineObject )
+ Destroy( p_sys->engineObject );
+
+ if( p_sys->p_so_handle )
+ dlclose( p_sys->p_so_handle );
+
+ free( p_sys );
+}
+
+static void Flush(audio_output_t *p_aout, bool drain)
+{
+ aout_sys_t *p_sys = p_aout->sys;
+
+ if (drain) {
+ mtime_t delay;
+ vlc_mutex_lock( &p_sys->lock );
+ delay = p_sys->length;
+ vlc_mutex_unlock( &p_sys->lock );
+ msleep(delay);
+ } else {
+ vlc_mutex_lock( &p_sys->lock );
+ SetPlayState( p_sys->playerPlay, SL_PLAYSTATE_STOPPED );
+ Clear( p_sys->playerBufferQueue );
+ SetPlayState( p_sys->playerPlay, SL_PLAYSTATE_PLAYING );
+
+ p_sys->length = 0;
+
+ /* release audio data not yet written to opensles */
+ block_ChainRelease( p_sys->p_buffer_chain );
+ p_sys->p_buffer_chain = NULL;
+ p_sys->pp_buffer_last = &p_sys->p_buffer_chain;
+
+ /* release audio data written to opensles, but not yet
+ * played on hardware */
+ 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 );
}
+}
-#define OPENSL_DLSYM( dest, handle, name ) \
- dest = (typeof(dest))dlsym( handle, name ); \
- if( dest == NULL ) \
- { \
- msg_Err( p_aout, "Failed to load symbol %s", name ); \
- goto error; \
+static int VolumeSet(audio_output_t *aout, float vol)
+{
+ /* Convert UI volume to linear factor (cube) */
+ vol = vol * vol * vol;
+
+ /* millibels from linear amplification */
+ int mb = lroundf(2000.f * log10f(vol));
+ if (mb < SL_MILLIBEL_MIN)
+ mb = SL_MILLIBEL_MIN;
+ else if (mb > 0)
+ mb = 0; /* maximum supported level could be higher: GetMaxVolumeLevel */
+
+ SLresult r = SetVolumeLevel(aout->sys->volumeItf, mb);
+ return (r == SL_RESULT_SUCCESS) ? 0 : -1;
+}
+
+static int MuteSet(audio_output_t *aout, bool mute)
+{
+ SLresult r = SetMute(aout->sys->volumeItf, mute);
+ return (r == SL_RESULT_SUCCESS) ? 0 : -1;
+}
+
+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 );
+}
+
+static int TimeGet(audio_output_t* p_aout, mtime_t* restrict drift)
+{
+ aout_sys_t *p_sys = p_aout->sys;
+
+ vlc_mutex_lock( &p_sys->lock );
+ mtime_t delay = p_sys->length;
+ mtime_t last_callback = p_sys->last_callback;
+ vlc_mutex_unlock( &p_sys->lock );
+
+ if (last_callback != 0)
+ delay += last_callback - mdate();
+
+ 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 in TimeGet (%lu)", res);
+ return -1;
}
-static void Clear( aout_sys_t *p_sys )
+ if (delay == 0 || st.count == 0)
+ return -1;
+
+ *drift = delay;
+ return 0;
+}
+
+static int WriteBuffer(audio_output_t *p_aout)
{
- // Destroy buffer queue audio player object
- // and invalidate all associated interfaces
- if( p_sys->playerObject != NULL )
- (*p_sys->playerObject)->Destroy( p_sys->playerObject );
+ aout_sys_t *p_sys = p_aout->sys;
- // destroy output mix object, and invalidate all associated interfaces
- if( p_sys->outputMixObject != NULL )
- (*p_sys->outputMixObject)->Destroy( p_sys->outputMixObject );
+ block_t *b = p_sys->p_buffer_chain;
+ if (!b)
+ return false;
+
+ if (!b->i_length)
+ b->i_length = (mtime_t)(b->i_buffer / 2 / p_sys->format.i_channels) * CLOCK_FREQ / p_sys->format.i_rate;
+
+ /* If something bad happens, we must remove this buffer from the FIFO */
+ block_t **pp_last_saved = p_sys->pp_last;
+ block_t *p_last_saved = *pp_last_saved;
+ block_t *next_saved = b->p_next;
+ b->p_next = NULL;
+
+ /* Put this block in the list of audio already written to opensles */
+ block_ChainLastAppend( &p_sys->pp_last, b );
+
+ mtime_t len = b->i_length;
+ p_sys->length += len;
+ block_t *next = b->p_next;
+
+ vlc_mutex_unlock( &p_sys->lock );
+ SLresult r = Enqueue( p_sys->playerBufferQueue, b->p_buffer, b->i_buffer );
+ vlc_mutex_lock( &p_sys->lock );
+
+ if (r == SL_RESULT_SUCCESS) {
+ /* Remove that block from the list of audio not yet written */
+ p_sys->buffers++;
+ p_sys->p_buffer_chain = next;
+ if (!p_sys->p_buffer_chain)
+ p_sys->pp_buffer_last = &p_sys->p_buffer_chain;
+ } else {
+ /* Remove that block from the list of audio already written */
+ msg_Err( p_aout, "error %lu when writing %d bytes, %d/255 buffers occupied %s",
+ r, b->i_buffer, p_sys->buffers,
+ (r == SL_RESULT_BUFFER_INSUFFICIENT) ? " (buffer insufficient)" : "");
+
+ p_sys->pp_last = pp_last_saved;
+ *pp_last_saved = p_last_saved;
+
+ b->p_next = next_saved;
+
+ p_sys->length -= len;
+ next = NULL; /* We'll try again next time */
+ }
- // destroy engine object, and invalidate all associated interfaces
- if( p_sys->engineObject != NULL )
- (*p_sys->engineObject)->Destroy( p_sys->engineObject );
+ return next != NULL;
+}
- if( p_sys->p_so_handle != NULL )
- dlclose( p_sys->p_so_handle );
+/*****************************************************************************
+ * Play: play a sound
+ *****************************************************************************/
+static void Play( audio_output_t *p_aout, block_t *p_buffer )
+{
+ aout_sys_t *p_sys = p_aout->sys;
- free( p_sys );
+ p_buffer->p_next = NULL; /* Make sur our linked list doesn't use old references */
+ vlc_mutex_lock(&p_sys->lock);
+ block_ChainLastAppend( &p_sys->pp_buffer_last, p_buffer );
+ while (WriteBuffer(p_aout))
+ ;
+ vlc_mutex_unlock( &p_sys->lock );
}
+static void PlayedCallback (SLAndroidSimpleBufferQueueItf caller, void *pContext )
+{
+ (void)caller;
+ block_t *p_block;
+ audio_output_t *p_aout = pContext;
+ aout_sys_t *p_sys = p_aout->sys;
+
+ assert (caller == p_sys->playerBufferQueue);
+
+ vlc_mutex_lock( &p_sys->lock );
+ p_sys->buffers--;
+ p_sys->last_callback = mdate();
+
+ p_block = p_sys->p_chain;
+ assert( p_block );
+
+ p_sys->p_chain = p_sys->p_chain->p_next;
+ /* if we exhausted our fifo, we must reset the pointer to the last
+ * appended block */
+ 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 );
+}
/*****************************************************************************
- * Open: open a dummy audio device
+ * Open
*****************************************************************************/
-static int Open( vlc_object_t *p_this )
+static int Start( audio_output_t *p_aout, audio_sample_format_t *restrict fmt )
{
- audio_output_t *p_aout = (audio_output_t *)p_this;
- SLresult result;
+ SLresult result;
+ SLEngineItf engineEngine;
/* Allocate structure */
p_aout->sys = calloc( 1, sizeof( aout_sys_t ) );
goto error;
}
+ typedef SLresult (*slCreateEngine_t)(
+ SLObjectItf*, SLuint32, const SLEngineOption*, SLuint32,
+ const SLInterfaceID*, const SLboolean* );
slCreateEngine_t slCreateEnginePtr = NULL;
+ SLInterfaceID *SL_IID_ENGINE;
+ SLInterfaceID *SL_IID_ANDROIDSIMPLEBUFFERQUEUE;
+ SLInterfaceID *SL_IID_VOLUME;
+ SLInterfaceID *SL_IID_PLAY;
+
+#define OPENSL_DLSYM( dest, handle, name ) \
+ dest = dlsym( handle, name ); \
+ if( dest == NULL ) \
+ { \
+ msg_Err( p_aout, "Failed to load symbol %s", name ); \
+ goto error; \
+ }
+
OPENSL_DLSYM( slCreateEnginePtr, p_sys->p_so_handle, "slCreateEngine" );
- OPENSL_DLSYM( p_sys->SL_IID_ANDROIDSIMPLEBUFFERQUEUE, p_sys->p_so_handle,
+ OPENSL_DLSYM( SL_IID_ANDROIDSIMPLEBUFFERQUEUE, p_sys->p_so_handle,
"SL_IID_ANDROIDSIMPLEBUFFERQUEUE" );
- OPENSL_DLSYM( p_sys->SL_IID_ENGINE, p_sys->p_so_handle, "SL_IID_ENGINE" );
- OPENSL_DLSYM( p_sys->SL_IID_PLAY, p_sys->p_so_handle, "SL_IID_PLAY" );
- OPENSL_DLSYM( p_sys->SL_IID_VOLUME, p_sys->p_so_handle, "SL_IID_VOLUME" );
+ OPENSL_DLSYM( SL_IID_ENGINE, p_sys->p_so_handle, "SL_IID_ENGINE" );
+ OPENSL_DLSYM( SL_IID_PLAY, p_sys->p_so_handle, "SL_IID_PLAY" );
+ OPENSL_DLSYM( SL_IID_VOLUME, p_sys->p_so_handle, "SL_IID_VOLUME" );
+
+
+#define CHECK_OPENSL_ERROR( msg ) \
+ if( unlikely( result != SL_RESULT_SUCCESS ) ) \
+ { \
+ msg_Err( p_aout, msg" (%lu)", result ); \
+ goto error; \
+ }
// create engine
result = slCreateEnginePtr( &p_sys->engineObject, 0, NULL, 0, NULL, NULL );
- CHECK_OPENSL_ERROR( result, "Failed to create engine" );
+ CHECK_OPENSL_ERROR( "Failed to create engine" );
// realize the engine in synchronous mode
- result = (*p_sys->engineObject)->Realize( p_sys->engineObject,
- SL_BOOLEAN_FALSE );
- CHECK_OPENSL_ERROR( result, "Failed to realize engine" );
+ result = Realize( p_sys->engineObject, SL_BOOLEAN_FALSE );
+ CHECK_OPENSL_ERROR( "Failed to realize engine" );
// get the engine interface, needed to create other objects
- result = (*p_sys->engineObject)->GetInterface( p_sys->engineObject,
- *p_sys->SL_IID_ENGINE, &p_sys->engineEngine );
- CHECK_OPENSL_ERROR( result, "Failed to get the engine interface" );
+ result = GetInterface( p_sys->engineObject, *SL_IID_ENGINE, &engineEngine );
+ CHECK_OPENSL_ERROR( "Failed to get the engine interface" );
// create output mix, with environmental reverb specified as a non-required interface
- const SLInterfaceID ids1[] = { *p_sys->SL_IID_VOLUME };
+ const SLInterfaceID ids1[] = { *SL_IID_VOLUME };
const SLboolean req1[] = { SL_BOOLEAN_FALSE };
- result = (*p_sys->engineEngine)->CreateOutputMix( p_sys->engineEngine,
- &p_sys->outputMixObject, 1, ids1, req1 );
- CHECK_OPENSL_ERROR( result, "Failed to create output mix" );
+ result = CreateOutputMix( engineEngine, &p_sys->outputMixObject, 1, ids1, req1 );
+ CHECK_OPENSL_ERROR( "Failed to create output mix" );
// realize the output mix in synchronous mode
- result = (*p_sys->outputMixObject)->Realize( p_sys->outputMixObject,
- SL_BOOLEAN_FALSE );
- CHECK_OPENSL_ERROR( result, "Failed to realize output mix" );
+ result = Realize( p_sys->outputMixObject, SL_BOOLEAN_FALSE );
+ CHECK_OPENSL_ERROR( "Failed to realize output mix" );
// configure audio source - this defines the number of samples you can enqueue.
SLDataLocator_AndroidSimpleBufferQueue loc_bufq = {
SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE,
- BUFF_QUEUE
+ 255 // Maximum number of buffers to enqueue.
};
SLDataFormat_PCM format_pcm;
format_pcm.formatType = SL_DATAFORMAT_PCM;
format_pcm.numChannels = 2;
- format_pcm.samplesPerSec = ((SLuint32) p_aout->format.i_rate * 1000) ;
+ format_pcm.samplesPerSec = ((SLuint32) fmt->i_rate * 1000) ;
format_pcm.bitsPerSample = SL_PCMSAMPLEFORMAT_FIXED_16;
format_pcm.containerSize = SL_PCMSAMPLEFORMAT_FIXED_16;
format_pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
SLDataSink audioSnk = {&loc_outmix, NULL};
//create audio player
- const SLInterfaceID ids2[] = { *p_sys->SL_IID_ANDROIDSIMPLEBUFFERQUEUE };
- const SLboolean req2[] = { SL_BOOLEAN_TRUE };
- result = (*p_sys->engineEngine)->CreateAudioPlayer( p_sys->engineEngine,
- &p_sys->playerObject, &audioSrc,
+ const SLInterfaceID ids2[] = { *SL_IID_ANDROIDSIMPLEBUFFERQUEUE, *SL_IID_VOLUME };
+ static const SLboolean req2[] = { SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE };
+ result = CreateAudioPlayer( engineEngine, &p_sys->playerObject, &audioSrc,
&audioSnk, sizeof( ids2 ) / sizeof( *ids2 ),
ids2, req2 );
- CHECK_OPENSL_ERROR( result, "Failed to create audio player" );
+ CHECK_OPENSL_ERROR( "Failed to create audio player" );
- // realize the player
- result = (*p_sys->playerObject)->Realize( p_sys->playerObject,
- SL_BOOLEAN_FALSE );
- CHECK_OPENSL_ERROR( result, "Failed to realize player object." );
+ result = Realize( p_sys->playerObject, SL_BOOLEAN_FALSE );
+ CHECK_OPENSL_ERROR( "Failed to realize player object." );
- // get the play interface
- result = (*p_sys->playerObject)->GetInterface( p_sys->playerObject,
- *p_sys->SL_IID_PLAY, &p_sys->playerPlay );
- CHECK_OPENSL_ERROR( result, "Failed to get player interface." );
+ result = GetInterface( p_sys->playerObject, *SL_IID_PLAY, &p_sys->playerPlay );
+ CHECK_OPENSL_ERROR( "Failed to get player interface." );
- // get the buffer queue interface
- result = (*p_sys->playerObject)->GetInterface( p_sys->playerObject,
- *p_sys->SL_IID_ANDROIDSIMPLEBUFFERQUEUE,
- &p_sys->playerBufferQueue );
- CHECK_OPENSL_ERROR( result, "Failed to get buff queue interface" );
+ result = GetInterface( p_sys->playerObject, *SL_IID_VOLUME, &p_sys->volumeItf );
+ CHECK_OPENSL_ERROR( "failed to get volume interface." );
- result = (*p_sys->playerBufferQueue)->RegisterCallback( p_sys->playerBufferQueue,
- PlayedCallback,
- (void*)p_sys);
- CHECK_OPENSL_ERROR( result, "Failed to register buff queue callback." );
+ result = GetInterface( p_sys->playerObject, *SL_IID_ANDROIDSIMPLEBUFFERQUEUE,
+ &p_sys->playerBufferQueue );
+ CHECK_OPENSL_ERROR( "Failed to get buff queue interface" );
+ result = RegisterCallback( p_sys->playerBufferQueue, PlayedCallback,
+ (void*)p_aout);
+ CHECK_OPENSL_ERROR( "Failed to register buff queue callback." );
// set the player's state to playing
- result = (*p_sys->playerPlay)->SetPlayState( p_sys->playerPlay,
- SL_PLAYSTATE_PLAYING );
- CHECK_OPENSL_ERROR( result, "Failed to switch to playing state" );
+ result = SetPlayState( p_sys->playerPlay, SL_PLAYSTATE_PLAYING );
+ CHECK_OPENSL_ERROR( "Failed to switch to playing state" );
+
+ vlc_mutex_init( &p_sys->lock );
+ p_sys->p_chain = NULL;
+ p_sys->pp_last = &p_sys->p_chain;
+ p_sys->p_buffer_chain = NULL;
+ p_sys->pp_buffer_last = &p_sys->p_buffer_chain;
// we want 16bit signed data little endian.
- 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;
+ fmt->i_format = VLC_CODEC_S16L;
+ fmt->i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
+ p_aout->play = Play;
+ p_aout->pause = Pause;
+ p_aout->flush = Flush;
+ p_aout->mute_set = MuteSet;
+ p_aout->volume_set = VolumeSet;
+
+ SetPositionUpdatePeriod( p_sys->playerPlay, AOUT_MIN_PREPARE_TIME * 1000 / CLOCK_FREQ);
- aout_FormatPrepare( &p_aout->format );
+ aout_FormatPrepare( fmt );
+
+ p_sys->format = *fmt;
return VLC_SUCCESS;
error:
- Clear( p_sys );
+ Clean( p_sys );
return VLC_EGENERIC;
}
/*****************************************************************************
- * Close: close our file
+ * Close
*****************************************************************************/
-static void Close( vlc_object_t *p_this )
+static void Stop( audio_output_t *p_aout )
{
- audio_output_t *p_aout = (audio_output_t*)p_this;
aout_sys_t *p_sys = p_aout->sys;
- msg_Dbg( p_aout, "Closing OpenSLES" );
-
- (*p_sys->playerPlay)->SetPlayState( p_sys->playerPlay, SL_PLAYSTATE_STOPPED );
+ SetPlayState( p_sys->playerPlay, SL_PLAYSTATE_STOPPED );
//Flush remaining buffers if any.
- if( p_sys->playerBufferQueue != NULL )
- (*p_sys->playerBufferQueue)->Clear( p_sys->playerBufferQueue );
- Clear( p_sys );
-}
-
-/*****************************************************************************
- * Play: play a sound
- *****************************************************************************/
-static void Play( audio_output_t * p_aout, block_t *p_buffer )
-{
- aout_sys_t * p_sys = p_aout->sys;
- SLresult result;
-
- for (;;)
- {
- result = (*p_sys->playerBufferQueue)->Enqueue(
- p_sys->playerBufferQueue, p_buffer->p_buffer,
- p_buffer->i_buffer );
- if( result == SL_RESULT_SUCCESS )
- break;
- if ( result != SL_RESULT_BUFFER_INSUFFICIENT )
- {
- msg_Warn( p_aout, "Dropping invalid buffer" );
- aout_BufferFree( p_buffer );
- return ;
- }
-
- msg_Err( p_aout, "write error (%lu)", result );
-
- // Wait a bit to retry. might miss calls to *cancel
- // but this is supposed to be rare anyway
- msleep(CLOCK_FREQ);
- }
- p_sys->p_buffer_array[p_sys->i_toappend_buffer] = p_buffer;
- if( ++p_sys->i_toappend_buffer == BUFF_QUEUE )
- p_sys->i_toappend_buffer = 0;
+ Clear( p_sys->playerBufferQueue );
+ block_ChainRelease( p_sys->p_chain );
+ block_ChainRelease( p_sys->p_buffer_chain);
+ vlc_mutex_destroy( &p_sys->lock );
+ Clean( p_sys );
}
-static void PlayedCallback (SLAndroidSimpleBufferQueueItf caller, void *pContext )
+static int Open (vlc_object_t *obj)
{
- aout_sys_t *p_sys = (aout_sys_t*)pContext;
+ audio_output_t *aout = (audio_output_t *)obj;
- assert (caller == p_sys->playerBufferQueue);
-
- aout_BufferFree( p_sys->p_buffer_array[p_sys->i_toclean_buffer] );
- if( ++p_sys->i_toclean_buffer == BUFF_QUEUE )
- p_sys->i_toclean_buffer = 0;
+ /* FIXME: set volume/mute here */
+ aout->start = Start;
+ aout->stop = Stop;
+ aout->time_get = TimeGet;
+ return VLC_SUCCESS;
}