static void probe_devices( ALboolean capture )
{
pa_threaded_mainloop* loop;
if ( capture == AL_FALSE )
{
allDevNameMap = malloc( sizeof( DevMap ) * 1 );
allDevNameMap[0].name = strdup( "PulseAudio Default" );
allDevNameMap[0].device_name = NULL;
numDevNames = 1;
}
else
{
allCaptureDevNameMap = malloc( sizeof( DevMap ) * 1 );
allCaptureDevNameMap[0].name = strdup( "PulseAudio Default" );
allCaptureDevNameMap[0].device_name = NULL;
numCaptureDevNames = 1;
}
if ( ( loop = ppa_threaded_mainloop_new() ) &&
ppa_threaded_mainloop_start( loop ) >= 0 )
{
pa_context* context;
ppa_threaded_mainloop_lock( loop );
context = connect_context( loop );
if ( context )
{
pa_operation* o;
if ( capture == AL_FALSE )
{
o = ppa_context_get_sink_info_list( context, sink_device_callback, loop );
}
else
{
o = ppa_context_get_source_info_list( context, source_device_callback, loop );
}
while ( ppa_operation_get_state( o ) == PA_OPERATION_RUNNING )
{
ppa_threaded_mainloop_wait( loop );
}
ppa_operation_unref( o );
ppa_context_disconnect( context );
ppa_context_unref( context );
}
ppa_threaded_mainloop_unlock( loop );
ppa_threaded_mainloop_stop( loop );
}
if ( loop )
{
ppa_threaded_mainloop_free( loop );
}
}
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;
} //}}}
ALCboolean alc_pulse_init(BackendFuncs *func_list)
{
ALCboolean ret = ALC_FALSE;
if(pulse_load())
{
pa_threaded_mainloop *loop;
pulse_ctx_flags = 0;
if(!GetConfigValueBool("pulse", "spawn-server", 0))
pulse_ctx_flags |= PA_CONTEXT_NOAUTOSPAWN;
if((loop=pa_threaded_mainloop_new()) &&
pa_threaded_mainloop_start(loop) >= 0)
{
pa_context *context;
pa_threaded_mainloop_lock(loop);
context = connect_context(loop, AL_TRUE);
if(context)
{
*func_list = pulse_funcs;
ret = ALC_TRUE;
/* Some libraries (Phonon, Qt) set some pulseaudio properties
* through environment variables, which causes all streams in
* the process to inherit them. This attempts to filter those
* properties out by setting them to 0-length data. */
prop_filter = pa_proplist_new();
pa_proplist_set(prop_filter, PA_PROP_MEDIA_ROLE, NULL, 0);
pa_proplist_set(prop_filter, "phonon.streamid", NULL, 0);
pa_context_disconnect(context);
pa_context_unref(context);
}
pa_threaded_mainloop_unlock(loop);
pa_threaded_mainloop_stop(loop);
}
if(loop)
pa_threaded_mainloop_free(loop);
}
return ret;
}
static ALCboolean pulse_open(ALCdevice *device)
{
pulse_data *data = pa_xmalloc(sizeof(pulse_data));
memset(data, 0, sizeof(*data));
if(!(data->loop = pa_threaded_mainloop_new()))
{
ERR("pa_threaded_mainloop_new() failed!\n");
goto out;
}
if(pa_threaded_mainloop_start(data->loop) < 0)
{
ERR("pa_threaded_mainloop_start() failed\n");
goto out;
}
pa_threaded_mainloop_lock(data->loop);
device->ExtraData = data;
data->context = connect_context(data->loop, AL_FALSE);
if(!data->context)
{
pa_threaded_mainloop_unlock(data->loop);
goto out;
}
pa_context_set_state_callback(data->context, context_state_callback2, device);
pa_threaded_mainloop_unlock(data->loop);
return ALC_TRUE;
out:
if(data->loop)
{
pa_threaded_mainloop_stop(data->loop);
pa_threaded_mainloop_free(data->loop);
}
device->ExtraData = NULL;
pa_xfree(data);
return ALC_FALSE;
}
static void probe_devices(ALboolean capture)
{
pa_threaded_mainloop *loop;
if(capture == AL_FALSE)
allDevNameMap = malloc(sizeof(DevMap) * 1);
else
allCaptureDevNameMap = malloc(sizeof(DevMap) * 1);
if((loop=pa_threaded_mainloop_new()) &&
pa_threaded_mainloop_start(loop) >= 0)
{
pa_context *context;
pa_threaded_mainloop_lock(loop);
context = connect_context(loop, AL_FALSE);
if(context)
{
pa_operation *o;
if(capture == AL_FALSE)
o = pa_context_get_sink_info_list(context, sink_device_callback, loop);
else
o = pa_context_get_source_info_list(context, source_device_callback, loop);
while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
pa_threaded_mainloop_wait(loop);
pa_operation_unref(o);
pa_context_disconnect(context);
pa_context_unref(context);
}
pa_threaded_mainloop_unlock(loop);
pa_threaded_mainloop_stop(loop);
}
if(loop)
pa_threaded_mainloop_free(loop);
}
static ALCboolean pulse_load(void) //{{{
{
ALCboolean ret = ALC_FALSE;
if(!pa_handle)
{
pa_threaded_mainloop *loop;
#ifdef HAVE_DYNLOAD
#ifdef _WIN32
#define PALIB "libpulse-0.dll"
#elif defined(__APPLE__) && defined(__MACH__)
#define PALIB "libpulse.0.dylib"
#else
#define PALIB "libpulse.so.0"
#endif
pa_handle = LoadLib(PALIB);
if(!pa_handle)
return ALC_FALSE;
#define LOAD_FUNC(x) do { \
p##x = GetSymbol(pa_handle, #x); \
if(!(p##x)) { \
CloseLib(pa_handle); \
pa_handle = NULL; \
return ALC_FALSE; \
} \
} while(0)
LOAD_FUNC(pa_context_unref);
LOAD_FUNC(pa_sample_spec_valid);
LOAD_FUNC(pa_stream_drop);
LOAD_FUNC(pa_strerror);
LOAD_FUNC(pa_context_get_state);
LOAD_FUNC(pa_stream_get_state);
LOAD_FUNC(pa_threaded_mainloop_signal);
LOAD_FUNC(pa_stream_peek);
LOAD_FUNC(pa_threaded_mainloop_wait);
LOAD_FUNC(pa_threaded_mainloop_unlock);
LOAD_FUNC(pa_threaded_mainloop_in_thread);
LOAD_FUNC(pa_context_new);
LOAD_FUNC(pa_threaded_mainloop_stop);
LOAD_FUNC(pa_context_disconnect);
LOAD_FUNC(pa_threaded_mainloop_start);
LOAD_FUNC(pa_threaded_mainloop_get_api);
LOAD_FUNC(pa_context_set_state_callback);
LOAD_FUNC(pa_stream_write);
LOAD_FUNC(pa_xfree);
LOAD_FUNC(pa_stream_connect_record);
LOAD_FUNC(pa_stream_connect_playback);
LOAD_FUNC(pa_stream_readable_size);
LOAD_FUNC(pa_stream_writable_size);
LOAD_FUNC(pa_stream_cork);
LOAD_FUNC(pa_stream_is_suspended);
LOAD_FUNC(pa_stream_get_device_name);
LOAD_FUNC(pa_path_get_filename);
LOAD_FUNC(pa_get_binary_name);
LOAD_FUNC(pa_threaded_mainloop_free);
LOAD_FUNC(pa_context_errno);
LOAD_FUNC(pa_xmalloc);
LOAD_FUNC(pa_stream_unref);
LOAD_FUNC(pa_threaded_mainloop_accept);
LOAD_FUNC(pa_stream_set_write_callback);
LOAD_FUNC(pa_threaded_mainloop_new);
LOAD_FUNC(pa_context_connect);
LOAD_FUNC(pa_stream_set_buffer_attr);
LOAD_FUNC(pa_stream_get_buffer_attr);
LOAD_FUNC(pa_stream_get_sample_spec);
LOAD_FUNC(pa_stream_get_time);
LOAD_FUNC(pa_stream_set_read_callback);
LOAD_FUNC(pa_stream_set_state_callback);
LOAD_FUNC(pa_stream_set_moved_callback);
LOAD_FUNC(pa_stream_set_underflow_callback);
LOAD_FUNC(pa_stream_new);
LOAD_FUNC(pa_stream_disconnect);
LOAD_FUNC(pa_threaded_mainloop_lock);
LOAD_FUNC(pa_channel_map_init_auto);
LOAD_FUNC(pa_channel_map_parse);
LOAD_FUNC(pa_channel_map_snprint);
LOAD_FUNC(pa_channel_map_equal);
LOAD_FUNC(pa_context_get_server_info);
LOAD_FUNC(pa_context_get_sink_info_by_name);
LOAD_FUNC(pa_context_get_sink_info_list);
LOAD_FUNC(pa_context_get_source_info_list);
LOAD_FUNC(pa_operation_get_state);
LOAD_FUNC(pa_operation_unref);
#undef LOAD_FUNC
#define LOAD_OPTIONAL_FUNC(x) do { \
p##x = GetSymbol(pa_handle, #x); \
} while(0)
#if PA_CHECK_VERSION(0,9,15)
LOAD_OPTIONAL_FUNC(pa_channel_map_superset);
LOAD_OPTIONAL_FUNC(pa_stream_set_buffer_attr_callback);
#endif
#if PA_CHECK_VERSION(0,9,16)
LOAD_OPTIONAL_FUNC(pa_stream_begin_write);
#endif
#undef LOAD_OPTIONAL_FUNC
#else /* HAVE_DYNLOAD */
pa_handle = (void*)0xDEADBEEF;
#endif
if((loop=pa_threaded_mainloop_new()) &&
pa_threaded_mainloop_start(loop) >= 0)
{
pa_context *context;
pa_threaded_mainloop_lock(loop);
context = connect_context(loop, AL_TRUE);
if(context)
{
ret = ALC_TRUE;
pa_context_disconnect(context);
pa_context_unref(context);
}
pa_threaded_mainloop_unlock(loop);
pa_threaded_mainloop_stop(loop);
}
if(loop)
pa_threaded_mainloop_free(loop);
if(!ret)
{
#ifdef HAVE_DYNLOAD
CloseLib(pa_handle);
#endif
pa_handle = NULL;
}
}
return ret;
} //}}}
void alc_pulse_probe(enum DevProbe type) //{{{
{
pa_threaded_mainloop *loop;
ALuint i;
switch(type)
{
case DEVICE_PROBE:
if((loop=pa_threaded_mainloop_new()) &&
pa_threaded_mainloop_start(loop) >= 0)
{
pa_context *context;
pa_threaded_mainloop_lock(loop);
context = connect_context(loop, AL_FALSE);
if(context)
{
AppendDeviceList(pulse_device);
pa_context_disconnect(context);
pa_context_unref(context);
}
pa_threaded_mainloop_unlock(loop);
pa_threaded_mainloop_stop(loop);
}
if(loop)
pa_threaded_mainloop_free(loop);
break;
case ALL_DEVICE_PROBE:
for(i = 0;i < numDevNames;++i)
{
free(allDevNameMap[i].name);
free(allDevNameMap[i].device_name);
}
free(allDevNameMap);
allDevNameMap = NULL;
numDevNames = 0;
probe_devices(AL_FALSE);
for(i = 0;i < numDevNames;i++)
AppendAllDeviceList(allDevNameMap[i].name);
break;
case CAPTURE_DEVICE_PROBE:
for(i = 0;i < numCaptureDevNames;++i)
{
free(allCaptureDevNameMap[i].name);
free(allCaptureDevNameMap[i].device_name);
}
free(allCaptureDevNameMap);
allCaptureDevNameMap = NULL;
numCaptureDevNames = 0;
probe_devices(AL_TRUE);
for(i = 0;i < numCaptureDevNames;i++)
AppendCaptureDeviceList(allCaptureDevNameMap[i].name);
break;
}
} //}}}
static void probe_devices(ALboolean capture)
{
pa_threaded_mainloop *loop;
if(capture == AL_FALSE)
allDevNameMap = malloc(sizeof(DevMap) * 1);
else
allCaptureDevNameMap = malloc(sizeof(DevMap) * 1);
if((loop=pa_threaded_mainloop_new()) &&
pa_threaded_mainloop_start(loop) >= 0)
{
pa_context *context;
pa_threaded_mainloop_lock(loop);
context = connect_context(loop, AL_FALSE);
if(context)
{
pa_operation *o;
if(capture == AL_FALSE)
{
pa_stream_flags_t flags;
pa_sample_spec spec;
pa_stream *stream;
flags = PA_STREAM_FIX_FORMAT | PA_STREAM_FIX_RATE |
PA_STREAM_FIX_CHANNELS | PA_STREAM_DONT_MOVE;
spec.format = PA_SAMPLE_S16NE;
spec.rate = 44100;
spec.channels = 2;
stream = connect_playback_stream(NULL, loop, context, flags,
NULL, &spec, NULL);
if(stream)
{
o = pa_context_get_sink_info_by_name(context, pa_stream_get_device_name(stream), sink_device_callback, loop);
WAIT_FOR_OPERATION(o, loop);
pa_stream_disconnect(stream);
pa_stream_unref(stream);
stream = NULL;
}
o = pa_context_get_sink_info_list(context, sink_device_callback, loop);
}
else
{
pa_stream_flags_t flags;
pa_sample_spec spec;
pa_stream *stream;
flags = PA_STREAM_FIX_FORMAT | PA_STREAM_FIX_RATE |
PA_STREAM_FIX_CHANNELS | PA_STREAM_DONT_MOVE;
spec.format = PA_SAMPLE_S16NE;
spec.rate = 44100;
spec.channels = 1;
stream = connect_record_stream(NULL, loop, context, flags,
NULL, &spec, NULL);
if(stream)
{
o = pa_context_get_source_info_by_name(context, pa_stream_get_device_name(stream), source_device_callback, loop);
WAIT_FOR_OPERATION(o, loop);
pa_stream_disconnect(stream);
pa_stream_unref(stream);
stream = NULL;
}
o = pa_context_get_source_info_list(context, source_device_callback, loop);
}
WAIT_FOR_OPERATION(o, loop);
pa_context_disconnect(context);
pa_context_unref(context);
}
pa_threaded_mainloop_unlock(loop);
pa_threaded_mainloop_stop(loop);
}
if(loop)
pa_threaded_mainloop_free(loop);
}