// PulseAudio I/O Callbacks //{{{
static void stream_write_callback( pa_stream* stream, size_t len, void* pdata ) //{{{
{
ALCdevice* Device = pdata;
pulse_data* data = Device->ExtraData;
while ( len > 0 )
{
size_t newlen = len;
void* buf;
pa_free_cb_t free_func = NULL;
#if PA_CHECK_VERSION(0,9,16)
if ( !ppa_stream_begin_write ||
ppa_stream_begin_write( stream, &buf, &newlen ) < 0 )
#endif
{
buf = ppa_xmalloc( newlen );
free_func = ppa_xfree;
}
aluMixData( Device, buf, newlen / data->frame_size );
ppa_stream_write( stream, buf, newlen, free_func, 0, PA_SEEK_RELATIVE );
len -= newlen;
}
} //}}}
static ALCboolean pulse_open( ALCdevice* device, const ALCchar* device_name ) //{{{
{
pulse_data* data = ppa_xmalloc( sizeof( pulse_data ) );
memset( data, 0, sizeof( *data ) );
if ( !( data->loop = ppa_threaded_mainloop_new() ) )
{
AL_PRINT( "pa_threaded_mainloop_new() failed!\n" );
goto out;
}
if ( ppa_threaded_mainloop_start( data->loop ) < 0 )
{
AL_PRINT( "pa_threaded_mainloop_start() failed\n" );
goto out;
}
ppa_threaded_mainloop_lock( data->loop );
device->ExtraData = data;
data->context = connect_context( data->loop );
if ( !data->context )
{
ppa_threaded_mainloop_unlock( data->loop );
goto out;
}
ppa_context_set_state_callback( data->context, context_state_callback2, device );
device->szDeviceName = strdup( device_name );
ppa_threaded_mainloop_unlock( data->loop );
return ALC_TRUE;
out:
if ( data->loop )
{
ppa_threaded_mainloop_stop( data->loop );
ppa_threaded_mainloop_free( data->loop );
}
device->ExtraData = NULL;
ppa_xfree( data );
return ALC_FALSE;
} //}}}
static ALCboolean pulse_open(ALCdevice *device, const ALCchar *device_name) //{{{
{
pulse_data *data = ppa_xmalloc(sizeof(pulse_data));
pa_context_state_t state;
memset(data, 0, sizeof(*data));
if(ppa_get_binary_name(data->path_name, sizeof(data->path_name)))
data->context_name = ppa_path_get_filename(data->path_name);
else
data->context_name = "OpenAL Soft";
if(!(data->loop = ppa_threaded_mainloop_new()))
{
AL_PRINT("pa_threaded_mainloop_new() failed!\n");
goto out;
}
if(ppa_threaded_mainloop_start(data->loop) < 0)
{
AL_PRINT("pa_threaded_mainloop_start() failed\n");
goto out;
}
ppa_threaded_mainloop_lock(data->loop);
device->ExtraData = data;
data->context = ppa_context_new(ppa_threaded_mainloop_get_api(data->loop), data->context_name);
if(!data->context)
{
AL_PRINT("pa_context_new() failed\n");
ppa_threaded_mainloop_unlock(data->loop);
goto out;
}
ppa_context_set_state_callback(data->context, context_state_callback, device);
if(ppa_context_connect(data->context, NULL, pulse_ctx_flags, NULL) < 0)
{
AL_PRINT("Context did not connect: %s\n",
ppa_strerror(ppa_context_errno(data->context)));
ppa_context_unref(data->context);
data->context = NULL;
ppa_threaded_mainloop_unlock(data->loop);
goto out;
}
while((state=ppa_context_get_state(data->context)) != PA_CONTEXT_READY)
{
if(!PA_CONTEXT_IS_GOOD(state))
{
int err = ppa_context_errno(data->context);
if(err != PA_ERR_CONNECTIONREFUSED)
AL_PRINT("Context did not get ready: %s\n", ppa_strerror(err));
ppa_context_unref(data->context);
data->context = NULL;
ppa_threaded_mainloop_unlock(data->loop);
goto out;
}
ppa_threaded_mainloop_wait(data->loop);
}
ppa_context_set_state_callback(data->context, context_state_callback2, device);
device->szDeviceName = strdup(device_name);
ppa_threaded_mainloop_unlock(data->loop);
return ALC_TRUE;
out:
if(data->loop)
{
ppa_threaded_mainloop_stop(data->loop);
ppa_threaded_mainloop_free(data->loop);
}
device->ExtraData = NULL;
ppa_xfree(data);
return ALC_FALSE;
} //}}}
