static ALCboolean pulse_open_capture( ALCdevice* device, const ALCchar* device_name ) //{{{
{
char* pulse_name = NULL;
pulse_data* data;
pa_stream_flags_t flags = 0;
pa_stream_state_t state;
pa_channel_map chanmap;
if ( !pulse_load() )
{
return ALC_FALSE;
}
if ( !allCaptureDevNameMap )
{
probe_devices( AL_TRUE );
}
if ( !device_name )
{
device_name = allCaptureDevNameMap[0].name;
}
else
{
ALuint i;
for ( i = 0; i < numCaptureDevNames; i++ )
{
if ( strcmp( device_name, allCaptureDevNameMap[i].name ) == 0 )
{
pulse_name = allCaptureDevNameMap[i].device_name;
break;
}
}
if ( i == numCaptureDevNames )
{
return ALC_FALSE;
}
}
if ( pulse_open( device, device_name ) == ALC_FALSE )
{
return ALC_FALSE;
}
data = device->ExtraData;
ppa_threaded_mainloop_lock( data->loop );
data->samples = device->UpdateSize * device->NumUpdates;
data->frame_size = aluFrameSizeFromFormat( device->Format );
if ( !( data->ring = CreateRingBuffer( data->frame_size, data->samples ) ) )
{
ppa_threaded_mainloop_unlock( data->loop );
goto fail;
}
data->attr.minreq = -1;
data->attr.prebuf = -1;
data->attr.maxlength = data->frame_size * data->samples;
data->attr.tlength = -1;
data->attr.fragsize = min( data->frame_size * data->samples,
10 * device->Frequency / 1000 );
data->spec.rate = device->Frequency;
data->spec.channels = aluChannelsFromFormat( device->Format );
switch ( aluBytesFromFormat( device->Format ) )
{
case 1:
data->spec.format = PA_SAMPLE_U8;
break;
case 2:
data->spec.format = PA_SAMPLE_S16NE;
break;
case 4:
data->spec.format = PA_SAMPLE_FLOAT32NE;
break;
default:
AL_PRINT( "Unknown format: 0x%x\n", device->Format );
ppa_threaded_mainloop_unlock( data->loop );
goto fail;
}
if ( ppa_sample_spec_valid( &data->spec ) == 0 )
{
AL_PRINT( "Invalid sample format\n" );
ppa_threaded_mainloop_unlock( data->loop );
goto fail;
}
if ( !ppa_channel_map_init_auto( &chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX ) )
{
AL_PRINT( "Couldn't build map for channel count (%d)!\n", data->spec.channels );
ppa_threaded_mainloop_unlock( data->loop );
goto fail;
}
data->stream = ppa_stream_new( data->context, "Capture Stream", &data->spec, &chanmap );
if ( !data->stream )
{
AL_PRINT( "pa_stream_new() failed: %s\n",
ppa_strerror( ppa_context_errno( data->context ) ) );
ppa_threaded_mainloop_unlock( data->loop );
goto fail;
}
ppa_stream_set_state_callback( data->stream, stream_state_callback, data->loop );
flags |= PA_STREAM_START_CORKED | PA_STREAM_ADJUST_LATENCY;
if ( ppa_stream_connect_record( data->stream, pulse_name, &data->attr, flags ) < 0 )
{
AL_PRINT( "Stream did not connect: %s\n",
ppa_strerror( ppa_context_errno( data->context ) ) );
ppa_stream_unref( data->stream );
data->stream = NULL;
ppa_threaded_mainloop_unlock( data->loop );
goto fail;
}
while ( ( state = ppa_stream_get_state( data->stream ) ) != PA_STREAM_READY )
{
if ( !PA_STREAM_IS_GOOD( state ) )
{
AL_PRINT( "Stream did not get ready: %s\n",
ppa_strerror( ppa_context_errno( data->context ) ) );
ppa_stream_unref( data->stream );
data->stream = NULL;
ppa_threaded_mainloop_unlock( data->loop );
goto fail;
}
ppa_threaded_mainloop_wait( data->loop );
}
ppa_stream_set_state_callback( data->stream, stream_state_callback2, device );
ppa_threaded_mainloop_unlock( data->loop );
return ALC_TRUE;
fail:
pulse_close( device );
return ALC_FALSE;
} //}}}
static ALCboolean pulse_reset_playback( ALCdevice* device ) //{{{
{
pulse_data* data = device->ExtraData;
pa_stream_flags_t flags = 0;
pa_channel_map chanmap;
ppa_threaded_mainloop_lock( data->loop );
if ( !ConfigValueExists( NULL, "format" ) )
{
pa_operation* o;
o = ppa_context_get_sink_info_by_name( data->context, data->device_name, sink_info_callback, device );
while ( ppa_operation_get_state( o ) == PA_OPERATION_RUNNING )
{
ppa_threaded_mainloop_wait( data->loop );
}
ppa_operation_unref( o );
}
if ( !ConfigValueExists( NULL, "frequency" ) )
{
flags |= PA_STREAM_FIX_RATE;
}
data->frame_size = aluFrameSizeFromFormat( device->Format );
data->attr.minreq = -1;
data->attr.prebuf = -1;
data->attr.fragsize = -1;
data->attr.tlength = device->UpdateSize * device->NumUpdates *
data->frame_size;
data->attr.maxlength = data->attr.tlength;
switch ( aluBytesFromFormat( device->Format ) )
{
case 1:
data->spec.format = PA_SAMPLE_U8;
break;
case 2:
data->spec.format = PA_SAMPLE_S16NE;
break;
case 4:
data->spec.format = PA_SAMPLE_FLOAT32NE;
break;
default:
AL_PRINT( "Unknown format: 0x%x\n", device->Format );
ppa_threaded_mainloop_unlock( data->loop );
return ALC_FALSE;
}
data->spec.rate = device->Frequency;
data->spec.channels = aluChannelsFromFormat( device->Format );
if ( ppa_sample_spec_valid( &data->spec ) == 0 )
{
AL_PRINT( "Invalid sample format\n" );
ppa_threaded_mainloop_unlock( data->loop );
return ALC_FALSE;
}
if ( !ppa_channel_map_init_auto( &chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX ) )
{
AL_PRINT( "Couldn't build map for channel count (%d)!\n", data->spec.channels );
ppa_threaded_mainloop_unlock( data->loop );
return ALC_FALSE;
}
SetDefaultWFXChannelOrder( device );
data->stream = connect_playback_stream( device, flags, &data->attr, &data->spec, &chanmap );
if ( !data->stream )
{
ppa_threaded_mainloop_unlock( data->loop );
return ALC_FALSE;
}
ppa_stream_set_state_callback( data->stream, stream_state_callback2, device );
data->spec = *( ppa_stream_get_sample_spec( data->stream ) );
if ( device->Frequency != data->spec.rate )
{
pa_operation* o;
/* Server updated our playback rate, so modify the buffer attribs
* accordingly. */
data->attr.tlength = ( ALuint64 )( data->attr.tlength / data->frame_size ) *
data->spec.rate / device->Frequency * data->frame_size;
data->attr.maxlength = data->attr.tlength;
o = ppa_stream_set_buffer_attr( data->stream, &data->attr,
stream_success_callback, device );
while ( ppa_operation_get_state( o ) == PA_OPERATION_RUNNING )
{
ppa_threaded_mainloop_wait( data->loop );
}
ppa_operation_unref( o );
device->Frequency = data->spec.rate;
}
stream_buffer_attr_callback( data->stream, device );
#if PA_CHECK_VERSION(0,9,15)
if ( ppa_stream_set_buffer_attr_callback )
{
ppa_stream_set_buffer_attr_callback( data->stream, stream_buffer_attr_callback, device );
}
#endif
ppa_stream_set_moved_callback( data->stream, stream_device_callback, device );
stream_write_callback( data->stream, data->attr.tlength, device );
ppa_stream_set_write_callback( data->stream, stream_write_callback, device );
ppa_threaded_mainloop_unlock( data->loop );
return ALC_TRUE;
} //}}}
static ALCboolean pulse_reset_playback(ALCdevice *device) //{{{
{
pulse_data *data = device->ExtraData;
pa_stream_state_t state;
pa_channel_map chanmap;
ppa_threaded_mainloop_lock(data->loop);
data->frame_size = aluBytesFromFormat(device->Format) *
aluChannelsFromFormat(device->Format);
data->attr.minreq = data->frame_size * device->UpdateSize;
data->attr.prebuf = -1;
data->attr.maxlength = -1;
data->attr.fragsize = -1;
data->attr.tlength = data->attr.minreq * device->NumUpdates;
data->stream_name = "Playback Stream";
switch(aluBytesFromFormat(device->Format))
{
case 1:
data->spec.format = PA_SAMPLE_U8;
break;
case 2:
data->spec.format = PA_SAMPLE_S16NE;
break;
case 4:
data->spec.format = PA_SAMPLE_FLOAT32NE;
break;
default:
AL_PRINT("Unknown format: 0x%x\n", device->Format);
ppa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
data->spec.rate = device->Frequency;
data->spec.channels = aluChannelsFromFormat(device->Format);
if(ppa_sample_spec_valid(&data->spec) == 0)
{
AL_PRINT("Invalid sample format\n");
ppa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
#ifdef _WIN32
if(!ppa_channel_map_init_auto(&chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX))
{
AL_PRINT("Couldn't build map for channel count (%d)!", data->spec.channels);
ppa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
#else
switch(data->spec.channels)
{
case 1:
ppa_channel_map_parse(&chanmap, "mono");
break;
case 2:
ppa_channel_map_parse(&chanmap, "front-left,front-right");
break;
case 4:
ppa_channel_map_parse(&chanmap, "front-left,front-right,rear-left,rear-right");
break;
case 6:
ppa_channel_map_parse(&chanmap, "front-left,front-right,rear-left,rear-right,front-center,lfe");
break;
case 7:
ppa_channel_map_parse(&chanmap, "front-left,front-right,front-center,lfe,rear-center,side-left,side-right");
break;
case 8:
ppa_channel_map_parse(&chanmap, "front-left,front-right,rear-left,rear-right,front-center,lfe,side-left,side-right");
break;
default:
AL_PRINT("Got unhandled channel count (%d)!", data->spec.channels);
ppa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
#endif
data->stream = ppa_stream_new(data->context, data->stream_name, &data->spec, &chanmap);
if(!data->stream)
{
AL_PRINT("pa_stream_new() failed: %s\n",
ppa_strerror(ppa_context_errno(data->context)));
ppa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
ppa_stream_set_state_callback(data->stream, stream_state_callback, device);
ppa_stream_set_write_callback(data->stream, stream_write_callback, device);
if(ppa_stream_connect_playback(data->stream, NULL, &data->attr, PA_STREAM_ADJUST_LATENCY, NULL, NULL) < 0)
{
AL_PRINT("Stream did not connect: %s\n",
ppa_strerror(ppa_context_errno(data->context)));
ppa_stream_unref(data->stream);
data->stream = NULL;
ppa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
while((state=ppa_stream_get_state(data->stream)) != PA_STREAM_READY)
{
if(!PA_STREAM_IS_GOOD(state))
{
AL_PRINT("Stream did not get ready: %s\n",
ppa_strerror(ppa_context_errno(data->context)));
ppa_stream_unref(data->stream);
data->stream = NULL;
ppa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
ppa_threaded_mainloop_wait(data->loop);
ppa_threaded_mainloop_accept(data->loop);
}
ppa_stream_set_state_callback(data->stream, stream_state_callback2, device);
stream_buffer_attr_callback(data->stream, device);
ppa_stream_set_buffer_attr_callback(data->stream, stream_buffer_attr_callback, device);
ppa_threaded_mainloop_unlock(data->loop);
return ALC_TRUE;
} //}}}
