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vlc-1.1
Commit 9a897274 authored by Gildas Bazin's avatar Gildas Bazin
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* modules/audio_output/portaudio.c: implemented a... 

* modules/audio_output/portaudio.c: implemented a PORTAUDIO_IS_SERIOUSLY_BROKEN mode (win32 asio only).
parent 79b265ae
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Showing with 201 additions and 81 deletions
modules/audio_output/portaudio.c
View file @ 9a897274
......@@ -36,13 +36,24 @@
#define FRAME_SIZE 1024 /* The size is in samples, not in bytes */
#ifdef WIN32
# define PORTAUDIO_IS_SERIOUSLY_BROKEN 1
#endif
/*****************************************************************************
* aout_sys_t: portaudio audio output method descriptor
*****************************************************************************/
typedef struct pa_thread_t
{
VLC_COMMON_MEMBERS
aout_instance_t * p_aout;
aout_instance_t *p_aout;
vlc_cond_t wait;
vlc_mutex_t lock_wait;
vlc_bool_t b_wait;
vlc_cond_t signal;
vlc_mutex_t lock_signal;
vlc_bool_t b_signal;
} pa_thread_t;
......@@ -55,20 +66,20 @@ struct aout_sys_t
int i_sample_size;
PaDeviceIndex i_device_id;
const PaDeviceInfo *deviceInfo;
vlc_mutex_t lock;
vlc_cond_t wait;
pa_thread_t *pa_thread;
};
#ifdef PORTAUDIO_IS_SERIOUSLY_BROKEN
static vlc_bool_t b_init = 0;
static pa_thread_t *pa_thread;
static void PORTAUDIOThread( pa_thread_t * );
#endif
/*****************************************************************************
* Local prototypes.
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
static void Play ( aout_instance_t * );
static void PORTAUDIOThread( pa_thread_t * );
static int PAOpenDevice( aout_instance_t * );
static int PAOpenStream( aout_instance_t * );
......@@ -94,8 +105,7 @@ vlc_module_end();
static int paCallback( const void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
const PaStreamCallbackTimeInfo *paDate,
PaStreamCallbackFlags statusFlags,
void *p_cookie )
PaStreamCallbackFlags statusFlags, void *p_cookie )
{
struct aout_sys_t *p_sys = (struct aout_sys_t*) p_cookie;
aout_instance_t *p_aout = p_sys->p_aout;
......@@ -156,6 +166,10 @@ static int Open( vlc_object_t * p_this )
var_Get( p_aout, "portaudio-device", &val );
p_sys->i_device_id = val.i_int;
#ifdef PORTAUDIO_IS_SERIOUSLY_BROKEN
if( !b_init )
{
/* Test device */
if( PAOpenDevice( p_aout ) != VLC_SUCCESS )
{
msg_Err( p_aout, "cannot open portaudio device" );
......@@ -169,22 +183,49 @@ static int Open( vlc_object_t * p_this )
msg_Err( p_aout, "Pa_Terminate returned %d", i_err );
}
/* Now we need to setup our DirectSound play notification structure */
p_sys->pa_thread = vlc_object_create( p_aout, sizeof(pa_thread_t) );
p_sys->pa_thread->p_aout = p_aout;
b_init = VLC_TRUE;
vlc_mutex_init( p_aout, &p_sys->lock );
vlc_cond_init( p_aout, &p_sys->wait );
/* Now we need to setup our DirectSound play notification structure */
pa_thread = vlc_object_create( p_aout, sizeof(pa_thread_t) );
pa_thread->p_aout = p_aout;
pa_thread->b_error = VLC_FALSE;
vlc_mutex_init( p_aout, &pa_thread->lock_wait );
vlc_cond_init( p_aout, &pa_thread->wait );
pa_thread->b_wait = VLC_FALSE;
vlc_mutex_init( p_aout, &pa_thread->lock_signal );
vlc_cond_init( p_aout, &pa_thread->signal );
pa_thread->b_signal = VLC_FALSE;
/* Create PORTAUDIOThread */
if( vlc_thread_create( p_sys->pa_thread, "aout", PORTAUDIOThread,
VLC_THREAD_PRIORITY_OUTPUT, VLC_TRUE ) )
if( vlc_thread_create( pa_thread, "aout", PORTAUDIOThread,
VLC_THREAD_PRIORITY_OUTPUT, VLC_FALSE ) )
{
msg_Err( p_aout, "cannot create PORTAUDIO thread" );
return VLC_EGENERIC;
}
}
else
{
pa_thread->p_aout = p_aout;
pa_thread->b_wait = VLC_FALSE;
pa_thread->b_signal = VLC_FALSE;
pa_thread->b_error = VLC_FALSE;
}
if( p_sys->pa_thread->b_error )
/* Signal start of stream */
vlc_mutex_lock( &pa_thread->lock_signal );
pa_thread->b_signal = VLC_TRUE;
vlc_cond_signal( &pa_thread->signal );
vlc_mutex_unlock( &pa_thread->lock_signal );
/* Wait until thread is ready */
vlc_mutex_lock( &pa_thread->lock_wait );
if( !pa_thread->b_wait )
vlc_cond_wait( &pa_thread->wait, &pa_thread->lock_wait );
vlc_mutex_unlock( &pa_thread->lock_wait );
pa_thread->b_wait = VLC_FALSE;
if( pa_thread->b_error )
{
msg_Err( p_aout, "PORTAUDIO thread failed" );
Close( p_this );
......@@ -192,70 +233,53 @@ static int Open( vlc_object_t * p_this )
}
return VLC_SUCCESS;
}
/*****************************************************************************
* Close: close the audio device
*****************************************************************************/
static void Close ( vlc_object_t *p_this )
{
aout_instance_t *p_aout = (aout_instance_t *)p_this;
aout_sys_t *p_sys = p_aout->output.p_sys;
msg_Dbg( p_aout, "closing portaudio");
#else
vlc_mutex_lock( &p_sys->lock );
p_sys->pa_thread->b_die = VLC_TRUE;
vlc_cond_signal( &p_sys->wait );
vlc_mutex_unlock( &p_sys->lock );
if( PAOpenDevice( p_aout ) != VLC_SUCCESS )
{
msg_Err( p_aout, "cannot open portaudio device" );
free( p_sys );
return VLC_EGENERIC;
}
vlc_thread_join( p_sys->pa_thread );
vlc_cond_destroy( &p_sys->wait );
vlc_mutex_destroy( &p_sys->lock );
if( PAOpenStream( p_aout ) != VLC_SUCCESS )
{
msg_Err( p_aout, "cannot open portaudio device" );
}
msg_Dbg( p_aout, "portaudio closed");
free( p_sys );
}
return VLC_SUCCESS;
/*****************************************************************************
* Play: play sound
*****************************************************************************/
static void Play( aout_instance_t * p_aout )
{
#endif
}
/*****************************************************************************
* PORTAUDIOThread: all interactions with libportaudio.a are handled
* in this single thread. Otherwise libportaudio.a is _not_ happy :-(
* Close: close the audio device
*****************************************************************************/
static void PORTAUDIOThread( pa_thread_t *pa_thread )
static void Close ( vlc_object_t *p_this )
{
aout_instance_t *p_aout = pa_thread->p_aout;
aout_instance_t *p_aout = (aout_instance_t *)p_this;
aout_sys_t *p_sys = p_aout->output.p_sys;
int i_err;
if( PAOpenDevice( p_aout ) != VLC_SUCCESS )
{
msg_Err( p_aout, "cannot open portaudio device" );
pa_thread->b_error = VLC_TRUE;
vlc_thread_ready( pa_thread );
return;
}
msg_Dbg( p_aout, "closing portaudio");
if( PAOpenStream( p_aout ) != VLC_SUCCESS )
{
msg_Err( p_aout, "cannot open portaudio device" );
pa_thread->b_error = VLC_TRUE;
vlc_thread_ready( pa_thread );
goto end;
}
#ifdef PORTAUDIO_IS_SERIOUSLY_BROKEN
/* Tell the main thread that we are ready */
vlc_thread_ready( pa_thread );
/* Signal end of stream */
vlc_mutex_lock( &pa_thread->lock_signal );
pa_thread->b_signal = VLC_TRUE;
vlc_cond_signal( &pa_thread->signal );
vlc_mutex_unlock( &pa_thread->lock_signal );
vlc_mutex_lock( &p_sys->lock );
if( !pa_thread->b_die ) vlc_cond_wait( &p_sys->wait, &p_sys->lock );
vlc_mutex_unlock( &p_sys->lock );
/* Wait until thread is ready */
vlc_mutex_lock( &pa_thread->lock_wait );
if( !pa_thread->b_wait )
vlc_cond_wait( &pa_thread->wait, &pa_thread->lock_wait );
vlc_mutex_unlock( &pa_thread->lock_wait );
pa_thread->b_wait = VLC_FALSE;
#else
i_err = Pa_StopStream( p_sys->p_stream );
if( i_err != paNoError )
......@@ -270,13 +294,17 @@ static void PORTAUDIOThread( pa_thread_t *pa_thread )
Pa_GetErrorText( i_err ) );
}
end:
i_err = Pa_Terminate();
if( i_err != paNoError )
{
msg_Err( p_aout, "Pa_Terminate: %d (%s)", i_err,
Pa_GetErrorText( i_err ) );
}
#endif
msg_Dbg( p_aout, "portaudio closed");
free( p_sys );
}
static int PAOpenDevice( aout_instance_t *p_aout )
......@@ -488,3 +516,95 @@ static int PAOpenStream( aout_instance_t *p_aout )
return VLC_SUCCESS;
}
/*****************************************************************************
* Play: play sound
*****************************************************************************/
static void Play( aout_instance_t * p_aout )
{
}
#ifdef PORTAUDIO_IS_SERIOUSLY_BROKEN
/*****************************************************************************
* PORTAUDIOThread: all interactions with libportaudio.a are handled
* in this single thread. Otherwise libportaudio.a is _not_ happy :-(
*****************************************************************************/
static void PORTAUDIOThread( pa_thread_t *pa_thread )
{
aout_instance_t *p_aout;
aout_sys_t *p_sys;
int i_err;
while( !pa_thread->b_die )
{
/* Wait for start of stream */
vlc_mutex_lock( &pa_thread->lock_signal );
if( !pa_thread->b_signal )
vlc_cond_wait( &pa_thread->signal, &pa_thread->lock_signal );
vlc_mutex_unlock( &pa_thread->lock_signal );
pa_thread->b_signal = VLC_FALSE;
p_aout = pa_thread->p_aout;
p_sys = p_aout->output.p_sys;
if( PAOpenDevice( p_aout ) != VLC_SUCCESS )
{
msg_Err( p_aout, "cannot open portaudio device" );
pa_thread->b_error = VLC_TRUE;
}
if( !pa_thread->b_error && PAOpenStream( p_aout ) != VLC_SUCCESS )
{
msg_Err( p_aout, "cannot open portaudio device" );
pa_thread->b_error = VLC_TRUE;
i_err = Pa_Terminate();
if( i_err != paNoError )
{
msg_Err( p_aout, "Pa_Terminate: %d (%s)", i_err,
Pa_GetErrorText( i_err ) );
}
}
/* Tell the main thread that we are ready */
vlc_mutex_lock( &pa_thread->lock_wait );
pa_thread->b_wait = VLC_TRUE;
vlc_cond_signal( &pa_thread->wait );
vlc_mutex_unlock( &pa_thread->lock_wait );
/* Wait for end of stream */
vlc_mutex_lock( &pa_thread->lock_signal );
if( !pa_thread->b_signal )
vlc_cond_wait( &pa_thread->signal, &pa_thread->lock_signal );
vlc_mutex_unlock( &pa_thread->lock_signal );
pa_thread->b_signal = VLC_FALSE;
if( pa_thread->b_error ) continue;
i_err = Pa_StopStream( p_sys->p_stream );
if( i_err != paNoError )
{
msg_Err( p_aout, "Pa_StopStream: %d (%s)", i_err,
Pa_GetErrorText( i_err ) );
}
i_err = Pa_CloseStream( p_sys->p_stream );
if( i_err != paNoError )
{
msg_Err( p_aout, "Pa_CloseStream: %d (%s)", i_err,
Pa_GetErrorText( i_err ) );
}
i_err = Pa_Terminate();
if( i_err != paNoError )
{
msg_Err( p_aout, "Pa_Terminate: %d (%s)", i_err,
Pa_GetErrorText( i_err ) );
}
/* Tell the main thread that we are ready */
vlc_mutex_lock( &pa_thread->lock_wait );
pa_thread->b_wait = VLC_TRUE;
vlc_cond_signal( &pa_thread->wait );
vlc_mutex_unlock( &pa_thread->lock_wait );
}
}
#endif
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