static int Open ( vlc_object_t *p_this )
{
audio_output_t *p_aout = (audio_output_t *)p_this;
struct aout_sys_t *p_sys = malloc(sizeof(aout_sys_t));
p_aout->sys = p_sys;
OSStatus status = 0;
// Setup the audio device.
AudioStreamBasicDescription deviceFormat;
deviceFormat.mSampleRate = 44100;
deviceFormat.mFormatID = kAudioFormatLinearPCM;
deviceFormat.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger; // Signed integer, little endian
deviceFormat.mBytesPerPacket = 4;
deviceFormat.mFramesPerPacket = 1;
deviceFormat.mBytesPerFrame = 4;
deviceFormat.mChannelsPerFrame = 2;
deviceFormat.mBitsPerChannel = 16;
deviceFormat.mReserved = 0;
// Create a new output AudioQueue for the device.
status = AudioQueueNewOutput(&deviceFormat, // Format
AudioQueueCallback, // Callback
p_aout, // User data, passed to the callback
CFRunLoopGetMain(), // RunLoop
kCFRunLoopDefaultMode, // RunLoop mode
0, // Flags ; must be zero (per documentation)...
&(p_sys->audioQueue)); // Output
// This will be used for boosting the audio without the need of a mixer (floating-point conversion is expensive on ARM)
// AudioQueueSetParameter(p_sys->audioQueue, kAudioQueueParam_Volume, 12.0); // Defaults to 1.0
msg_Dbg(p_aout, "New AudioQueue output created (status = %i)", status);
// Allocate buffers for the AudioQueue, and pre-fill them.
for (int i = 0; i < NUMBER_OF_BUFFERS; ++i) {
AudioQueueBufferRef buffer = NULL;
status = AudioQueueAllocateBuffer(p_sys->audioQueue, FRAME_SIZE * 4, &buffer);
AudioQueueCallback(NULL, p_sys->audioQueue, buffer);
}
/* Volume is entirely done in software. */
aout_SoftVolumeInit( p_aout );
p_aout->format.i_format = VLC_CODEC_S16L;
p_aout->format.i_physical_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
p_aout->format.i_rate = 44100;
aout_PacketInit(p_aout, &p_sys->packet, FRAME_SIZE);
p_aout->pf_play = aout_PacketPlay;
p_aout->pf_pause = aout_PacketPause;
p_aout->pf_flush = aout_PacketFlush;
msg_Dbg(p_aout, "Starting AudioQueue (status = %i)", status);
status = AudioQueueStart(p_sys->audioQueue, NULL);
return VLC_SUCCESS;
}
/*****************************************************************************
* Open: create a JACK client
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
char psz_name[32];
audio_output_t *p_aout = (audio_output_t *)p_this;
struct aout_sys_t *p_sys = NULL;
int status = VLC_SUCCESS;
unsigned int i;
int i_error;
/* Allocate structure */
p_sys = calloc( 1, sizeof( aout_sys_t ) );
if( p_sys == NULL )
{
status = VLC_ENOMEM;
goto error_out;
}
p_aout->sys = p_sys;
p_sys->latency = 0;
/* Connect to the JACK server */
snprintf( psz_name, sizeof(psz_name), "vlc_%d", getpid());
psz_name[sizeof(psz_name) - 1] = '\0';
p_sys->p_jack_client = jack_client_open( psz_name,
JackNullOption | JackNoStartServer,
NULL );
if( p_sys->p_jack_client == NULL )
{
msg_Err( p_aout, "failed to connect to JACK server" );
status = VLC_EGENERIC;
goto error_out;
}
/* Set the process callback */
jack_set_process_callback( p_sys->p_jack_client, Process, p_aout );
jack_set_graph_order_callback ( p_sys->p_jack_client, GraphChange, p_aout );
p_aout->pf_play = aout_PacketPlay;
p_aout->pf_pause = aout_PacketPause;
p_aout->pf_flush = aout_PacketFlush;
aout_PacketInit( p_aout, &p_sys->packet,
jack_get_buffer_size( p_sys->p_jack_client ) );
aout_VolumeSoftInit( p_aout );
/* JACK only supports fl32 format */
p_aout->format.i_format = VLC_CODEC_FL32;
// TODO add buffer size callback
p_aout->format.i_rate = jack_get_sample_rate( p_sys->p_jack_client );
p_sys->i_channels = aout_FormatNbChannels( &p_aout->format );
p_sys->p_jack_ports = malloc( p_sys->i_channels *
sizeof(jack_port_t *) );
if( p_sys->p_jack_ports == NULL )
{
status = VLC_ENOMEM;
goto error_out;
}
p_sys->p_jack_buffers = malloc( p_sys->i_channels *
sizeof(jack_sample_t *) );
if( p_sys->p_jack_buffers == NULL )
{
status = VLC_ENOMEM;
goto error_out;
}
/* Create the output ports */
for( i = 0; i < p_sys->i_channels; i++ )
{
snprintf( psz_name, sizeof(psz_name), "out_%d", i + 1);
psz_name[sizeof(psz_name) - 1] = '\0';
p_sys->p_jack_ports[i] = jack_port_register( p_sys->p_jack_client,
psz_name, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0 );
if( p_sys->p_jack_ports[i] == NULL )
{
msg_Err( p_aout, "failed to register a JACK port" );
status = VLC_EGENERIC;
goto error_out;
}
}
/* Tell the JACK server we are ready */
i_error = jack_activate( p_sys->p_jack_client );
if( i_error )
{
msg_Err( p_aout, "failed to activate JACK client (error %d)", i_error );
status = VLC_EGENERIC;
goto error_out;
}
/* Auto connect ports if we were asked to */
if( var_InheritBool( p_aout, AUTO_CONNECT_OPTION ) )
{
unsigned int i_in_ports;
char *psz_regex = var_InheritString( p_aout, CONNECT_REGEX_OPTION );
const char **pp_in_ports = jack_get_ports( p_sys->p_jack_client,
psz_regex, NULL,
JackPortIsInput );
free( psz_regex );
/* Count the number of returned ports */
i_in_ports = 0;
while( pp_in_ports && pp_in_ports[i_in_ports] )
{
i_in_ports++;
}
/* Tie the output ports to JACK input ports */
for( i = 0; i_in_ports > 0 && i < p_sys->i_channels; i++ )
{
const char* psz_in = pp_in_ports[i % i_in_ports];
const char* psz_out = jack_port_name( p_sys->p_jack_ports[i] );
i_error = jack_connect( p_sys->p_jack_client, psz_out, psz_in );
if( i_error )
{
msg_Err( p_aout, "failed to connect port %s to port %s (error %d)",
psz_out, psz_in, i_error );
}
else
{
msg_Dbg( p_aout, "connecting port %s to port %s",
psz_out, psz_in );
}
}
free( pp_in_ports );
}
msg_Dbg( p_aout, "JACK audio output initialized (%d channels, rate=%d)",
p_sys->i_channels, p_aout->format.i_rate );
error_out:
/* Clean up, if an error occurred */
if( status != VLC_SUCCESS && p_sys != NULL)
{
if( p_sys->p_jack_client )
{
jack_deactivate( p_sys->p_jack_client );
jack_client_close( p_sys->p_jack_client );
aout_PacketDestroy( p_aout );
}
free( p_sys->p_jack_ports );
free( p_sys->p_jack_buffers );
free( p_sys );
}
return status;
}
/*****************************************************************************
* Open: open the audio device
*****************************************************************************/
static int Start ( audio_output_t *p_aout, audio_sample_format_t *fmt )
{
aout_sys_t *p_sys = p_aout->sys;
char *psz_mode;
ULONG i_kai_mode;
KAISPEC ks_wanted, ks_obtained;
int i_nb_channels;
int i_bytes_per_frame;
vlc_value_t val, text;
audio_sample_format_t format = *fmt;
if( var_Get( p_aout, "audio-device", &val ) != VLC_ENOVAR )
{
/* The user has selected an audio device. */
if ( val.i_int == AOUT_VAR_STEREO )
{
format.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
}
else if ( val.i_int == AOUT_VAR_MONO )
{
format.i_physical_channels = AOUT_CHAN_CENTER;
}
}
psz_mode = var_InheritString( p_aout, "kai-audio-device" );
if( !psz_mode )
psz_mode = ( char * )ppsz_kai_audio_device[ 0 ]; // "auto"
i_kai_mode = KAIM_AUTO;
if( strcmp( psz_mode, "dart" ) == 0 )
i_kai_mode = KAIM_DART;
else if( strcmp( psz_mode, "uniaud" ) == 0 )
i_kai_mode = KAIM_UNIAUD;
msg_Dbg( p_aout, "selected mode = %s", psz_mode );
if( psz_mode != ppsz_kai_audio_device[ 0 ])
free( psz_mode );
i_nb_channels = aout_FormatNbChannels( &format );
if ( i_nb_channels > 2 )
{
/* KAI doesn't support more than two channels. */
i_nb_channels = 2;
format.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
}
/* Support s16l only */
format.i_format = VLC_CODEC_S16L;
aout_FormatPrepare( &format );
i_bytes_per_frame = format.i_bytes_per_frame;
/* Initialize library */
if( kaiInit( i_kai_mode ))
{
msg_Err( p_aout, "cannot initialize KAI");
return VLC_EGENERIC;
}
ks_wanted.usDeviceIndex = 0;
ks_wanted.ulType = KAIT_PLAY;
ks_wanted.ulBitsPerSample = BPS_16;
ks_wanted.ulSamplingRate = format.i_rate;
ks_wanted.ulDataFormat = MCI_WAVE_FORMAT_PCM;
ks_wanted.ulChannels = i_nb_channels;
ks_wanted.ulNumBuffers = 2;
ks_wanted.ulBufferSize = FRAME_SIZE * i_bytes_per_frame;
ks_wanted.fShareable = !var_InheritBool( p_aout,
"kai-audio-exclusive-mode");
ks_wanted.pfnCallBack = KaiCallback;
ks_wanted.pCallBackData = p_aout;
msg_Dbg( p_aout, "requested ulBufferSize = %ld", ks_wanted.ulBufferSize );
/* Open the sound device. */
if( kaiOpen( &ks_wanted, &ks_obtained, &p_sys->hkai ))
{
msg_Err( p_aout, "cannot open KAI device");
goto exit_kai_done;
}
msg_Dbg( p_aout, "open in %s mode",
ks_obtained.fShareable ? "shareable" : "exclusive" );
msg_Dbg( p_aout, "obtained i_nb_samples = %lu",
ks_obtained.ulBufferSize / i_bytes_per_frame );
msg_Dbg( p_aout, "obtained i_bytes_per_frame = %d",
format.i_bytes_per_frame );
p_sys->format = *fmt = format;
p_aout->time_get = aout_PacketTimeGet;
p_aout->play = Play;
p_aout->pause = NULL;
p_aout->flush = aout_PacketFlush;
aout_SoftVolumeStart( p_aout );
aout_PacketInit( p_aout, &p_sys->packet,
ks_obtained.ulBufferSize / i_bytes_per_frame, &format );
if ( var_Type( p_aout, "audio-device" ) == 0 )
{
/* First launch. */
var_Create( p_aout, "audio-device",
VLC_VAR_INTEGER | VLC_VAR_HASCHOICE );
text.psz_string = _("Audio Device");
var_Change( p_aout, "audio-device", VLC_VAR_SETTEXT, &text, NULL );
val.i_int = AOUT_VAR_STEREO;
text.psz_string = _("Stereo");
var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val, &text );
val.i_int = AOUT_VAR_MONO;
text.psz_string = _("Mono");
var_Change( p_aout, "audio-device", VLC_VAR_ADDCHOICE, &val, &text );
if ( i_nb_channels == 2 )
{
val.i_int = AOUT_VAR_STEREO;
}
else
{
val.i_int = AOUT_VAR_MONO;
}
var_Change( p_aout, "audio-device", VLC_VAR_SETDEFAULT, &val, NULL );
var_AddCallback( p_aout, "audio-device", aout_ChannelsRestart, NULL );
}
/* Prevent SIG_FPE */
_control87(MCW_EM, MCW_EM);
return VLC_SUCCESS;
exit_kai_done :
kaiDone();
return VLC_EGENERIC;
}
/*****************************************************************************
* Open: open the audio device (the digital sound processor)
*****************************************************************************
* This function opens the DSP as a usual non-blocking write-only file, and
* modifies the p_aout->p_sys->i_fd with the file's descriptor.
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
audio_output_t * p_aout = (audio_output_t *)p_this;
struct aout_sys_t * p_sys;
char * psz_device;
vlc_value_t val;
/* Allocate structure */
p_aout->sys = p_sys = malloc( sizeof( aout_sys_t ) );
if( p_sys == NULL )
return VLC_ENOMEM;
/* Get device name */
if( (psz_device = var_InheritString( p_aout, "oss-audio-device" )) == NULL )
{
msg_Err( p_aout, "no audio device specified (maybe /dev/dsp?)" );
free( p_sys );
return VLC_EGENERIC;
}
/* Open the sound device in non-blocking mode, because ALSA's OSS
* emulation and some broken OSS drivers would make a blocking call
* wait forever until the device is available. Since this breaks the
* OSS spec, we immediately put it back to blocking mode if the
* operation was successful. */
p_sys->i_fd = vlc_open( psz_device, O_WRONLY | O_NDELAY );
if( p_sys->i_fd < 0 )
{
msg_Err( p_aout, "cannot open audio device (%s)", psz_device );
free( psz_device );
free( p_sys );
return VLC_EGENERIC;
}
/* if the opening was ok, put the device back in blocking mode */
fcntl( p_sys->i_fd, F_SETFL,
fcntl( p_sys->i_fd, F_GETFL ) &~ FNDELAY );
free( psz_device );
p_aout->pf_play = aout_PacketPlay;
p_aout->pf_pause = aout_PacketPause;
p_aout->pf_flush = aout_PacketFlush;
if ( var_Type( p_aout, "audio-device" ) == 0 )
Probe( p_aout );
var_AddCallback( p_aout, "audio-device", aout_ChannelsRestart, NULL );
if ( var_Get( p_aout, "audio-device", &val ) < 0 )
/* Probe() has failed. */
goto error;
if ( val.i_int == AOUT_VAR_SPDIF )
{
p_aout->format.i_format = VLC_CODEC_SPDIFL;
}
else if ( val.i_int == AOUT_VAR_5_1 )
{
p_aout->format.i_format = VLC_CODEC_S16N;
p_aout->format.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
| AOUT_CHAN_LFE;
}
else if ( val.i_int == AOUT_VAR_2F2R )
{
p_aout->format.i_format = VLC_CODEC_S16N;
p_aout->format.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT;
}
else if ( val.i_int == AOUT_VAR_STEREO )
{
p_aout->format.i_format = VLC_CODEC_S16N;
p_aout->format.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
}
else if ( val.i_int == AOUT_VAR_MONO )
{
p_aout->format.i_format = VLC_CODEC_S16N;
p_aout->format.i_physical_channels = AOUT_CHAN_CENTER;
}
else
{
/* This should not happen ! */
msg_Err( p_aout, "internal: can't find audio-device (%"PRId64")",
val.i_int );
goto error;
}
var_TriggerCallback( p_aout, "intf-change" );
/* Reset the DSP device */
if( ioctl( p_sys->i_fd, SNDCTL_DSP_RESET, NULL ) < 0 )
{
msg_Err( p_aout, "cannot reset OSS audio device" );
goto error;
}
/* Set the output format */
if ( AOUT_FMT_SPDIF( &p_aout->format ) )
{
int i_format = AFMT_AC3;
if( ioctl( p_sys->i_fd, SNDCTL_DSP_SETFMT, &i_format ) < 0
|| i_format != AFMT_AC3 )
{
msg_Err( p_aout, "cannot reset OSS audio device" );
goto error;
}
p_aout->format.i_format = VLC_CODEC_SPDIFL;
p_aout->format.i_bytes_per_frame = AOUT_SPDIF_SIZE;
p_aout->format.i_frame_length = A52_FRAME_NB;
aout_PacketInit( p_aout, &p_sys->packet, A52_FRAME_NB );
aout_VolumeNoneInit( p_aout );
}
else
{
unsigned int i_format = AFMT_S16_NE;
unsigned int i_frame_size, i_fragments;
unsigned int i_rate;
unsigned int i_nb_channels;
audio_buf_info audio_buf;
if( ioctl( p_sys->i_fd, SNDCTL_DSP_SETFMT, &i_format ) < 0 )
{
msg_Err( p_aout, "cannot set audio output format" );
goto error;
}
switch ( i_format )
{
case AFMT_U8:
p_aout->format.i_format = VLC_CODEC_U8;
break;
case AFMT_S8:
p_aout->format.i_format = VLC_CODEC_S8;
break;
case AFMT_U16_LE:
p_aout->format.i_format = VLC_CODEC_U16L;
break;
case AFMT_S16_LE:
p_aout->format.i_format = VLC_CODEC_S16L;
break;
case AFMT_U16_BE:
p_aout->format.i_format = VLC_CODEC_U16B;
break;
case AFMT_S16_BE:
p_aout->format.i_format = VLC_CODEC_S16B;
break;
default:
msg_Err( p_aout, "OSS fell back to an unknown format (%d)",
i_format );
goto error;
}
i_nb_channels = aout_FormatNbChannels( &p_aout->format );
/* Set the number of channels */
if( ioctl( p_sys->i_fd, SNDCTL_DSP_CHANNELS, &i_nb_channels ) < 0 ||
i_nb_channels != aout_FormatNbChannels( &p_aout->format ) )
{
msg_Err( p_aout, "cannot set number of audio channels (%s)",
aout_FormatPrintChannels( &p_aout->format) );
goto error;
}
/* Set the output rate */
i_rate = p_aout->format.i_rate;
if( ioctl( p_sys->i_fd, SNDCTL_DSP_SPEED, &i_rate ) < 0 )
{
msg_Err( p_aout, "cannot set audio output rate (%i)",
p_aout->format.i_rate );
goto error;
}
if( i_rate != p_aout->format.i_rate )
{
p_aout->format.i_rate = i_rate;
}
/* Set the fragment size */
aout_FormatPrepare( &p_aout->format );
/* i_fragment = xxxxyyyy where: xxxx is fragtotal
* 1 << yyyy is fragsize */
i_frame_size = ((uint64_t)p_aout->format.i_bytes_per_frame * p_aout->format.i_rate * 65536) / (48000 * 2 * 2) / FRAME_COUNT;
i_fragments = 4;
while( i_fragments < 12 && (1U << i_fragments) < i_frame_size )
{
++i_fragments;
}
i_fragments |= FRAME_COUNT << 16;
if( ioctl( p_sys->i_fd, SNDCTL_DSP_SETFRAGMENT, &i_fragments ) < 0 )
{
msg_Warn( p_aout, "cannot set fragment size (%.8x)", i_fragments );
}
if( ioctl( p_sys->i_fd, SNDCTL_DSP_GETOSPACE, &audio_buf ) < 0 )
{
msg_Err( p_aout, "cannot get fragment size" );
goto error;
}
/* Number of fragments actually allocated */
p_aout->sys->i_fragstotal = audio_buf.fragstotal;
/* Maximum duration the soundcard's buffer can hold */
p_aout->sys->max_buffer_duration =
(mtime_t)audio_buf.fragstotal * audio_buf.fragsize * 1000000
/ p_aout->format.i_bytes_per_frame
/ p_aout->format.i_rate
* p_aout->format.i_frame_length;
aout_PacketInit( p_aout, &p_sys->packet,
audio_buf.fragsize/p_aout->format.i_bytes_per_frame );
aout_VolumeSoftInit( p_aout );
}
/* Create OSS thread and wait for its readiness. */
if( vlc_clone( &p_sys->thread, OSSThread, p_aout,
VLC_THREAD_PRIORITY_OUTPUT ) )
{
msg_Err( p_aout, "cannot create OSS thread (%m)" );
aout_PacketDestroy( p_aout );
goto error;
}
return VLC_SUCCESS;
error:
var_DelCallback( p_aout, "audio-device", aout_ChannelsRestart, NULL );
close( p_sys->i_fd );
free( p_sys );
return VLC_EGENERIC;
}
static int PAOpenStream( audio_output_t *p_aout )
{
aout_sys_t *p_sys = p_aout->sys;
const PaHostErrorInfo* paLastHostErrorInfo = Pa_GetLastHostErrorInfo();
PaStreamParameters paStreamParameters;
vlc_value_t val;
int i_channels, i_err;
uint32_t i_channel_mask;
if( var_Get( p_aout, "audio-device", &val ) < 0 )
{
return VLC_EGENERIC;
}
if( val.i_int == AOUT_VAR_5_1 )
{
p_aout->format.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
| AOUT_CHAN_LFE;
}
else if( val.i_int == AOUT_VAR_3F2R )
{
p_aout->format.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT;
}
else if( val.i_int == AOUT_VAR_2F2R )
{
p_aout->format.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT;
}
else if( val.i_int == AOUT_VAR_MONO )
{
p_aout->format.i_physical_channels = AOUT_CHAN_CENTER;
}
else
{
p_aout->format.i_physical_channels
= AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
}
i_channels = aout_FormatNbChannels( &p_aout->format );
msg_Dbg( p_aout, "nb_channels requested = %d", i_channels );
i_channel_mask = p_aout->format.i_physical_channels;
/* Calculate the frame size in bytes */
p_sys->i_sample_size = 4 * i_channels;
aout_FormatPrepare( &p_aout->format );
aout_PacketInit( p_aout, &p_sys->packet, FRAME_SIZE );
aout_VolumeSoftInit( p_aout );
/* Check for channel reordering */
p_aout->sys->i_channel_mask = i_channel_mask;
p_aout->sys->i_bits_per_sample = 32; /* forced to paFloat32 */
p_aout->sys->i_channels = i_channels;
p_aout->sys->b_chan_reorder =
aout_CheckChannelReorder( NULL, pi_channels_out,
i_channel_mask, i_channels,
p_aout->sys->pi_chan_table );
if( p_aout->sys->b_chan_reorder )
{
msg_Dbg( p_aout, "channel reordering needed" );
}
paStreamParameters.device = p_sys->i_device_id;
paStreamParameters.channelCount = i_channels;
paStreamParameters.sampleFormat = paFloat32;
paStreamParameters.suggestedLatency =
p_sys->deviceInfo->defaultLowOutputLatency;
paStreamParameters.hostApiSpecificStreamInfo = NULL;
i_err = Pa_OpenStream( &p_sys->p_stream, NULL /* no input */,
&paStreamParameters, (double)p_aout->format.i_rate,
FRAME_SIZE, paClipOff, paCallback, p_sys );
if( i_err != paNoError )
{
msg_Err( p_aout, "Pa_OpenStream returns %d : %s", i_err,
Pa_GetErrorText( i_err ) );
if( i_err == paUnanticipatedHostError )
{
msg_Err( p_aout, "type %d code %ld : %s",
paLastHostErrorInfo->hostApiType,
paLastHostErrorInfo->errorCode,
paLastHostErrorInfo->errorText );
}
p_sys->p_stream = 0;
aout_PacketDestroy( p_aout );
return VLC_EGENERIC;
}
i_err = Pa_StartStream( p_sys->p_stream );
if( i_err != paNoError )
{
msg_Err( p_aout, "Pa_StartStream() failed" );
Pa_CloseStream( p_sys->p_stream );
aout_PacketDestroy( p_aout );
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
