static void stream_read_callback(pa_stream *stream, size_t length, void *pdata) //{{{
{
ALCdevice *Device = pdata;
pulse_data *data = Device->ExtraData;
const void *buf;
if(ppa_stream_peek(stream, &buf, &length) < 0)
{
AL_PRINT("pa_stream_peek() failed: %s\n",
ppa_strerror(ppa_context_errno(data->context)));
return;
}
assert(buf);
assert(length);
length /= data->frame_size;
if(data->samples < length)
AL_PRINT("stream_read_callback: buffer overflow!\n");
WriteRingBuffer(data->ring, buf, (length<data->samples) ? length : data->samples);
ppa_stream_drop(stream);
} //}}}
static ALCboolean DSoundOpenPlayback(ALCdevice *device, const ALCchar *deviceName)
{
DSoundData *pData = NULL;
LPGUID guid = NULL;
HRESULT hr;
if(!DSoundLoad())
return ALC_FALSE;
if(!deviceName)
deviceName = dsDevice;
else if(strcmp(deviceName, dsDevice) != 0)
{
ALuint i;
if(!DeviceList)
{
hr = pDirectSoundEnumerateA(DSoundEnumDevices, NULL);
if(FAILED(hr))
AL_PRINT("Error enumerating DirectSound devices (%#x)!\n", (unsigned int)hr);
}
for(i = 0; i < NumDevices; i++)
{
if(strcmp(deviceName, DeviceList[i].name) == 0)
{
if(i > 0)
guid = &DeviceList[i].guid;
break;
}
}
if(i == NumDevices)
return ALC_FALSE;
}
//Initialise requested device
pData = calloc(1, sizeof(DSoundData));
if(!pData)
{
alcSetError(device, ALC_OUT_OF_MEMORY);
return ALC_FALSE;
}
//DirectSound Init code
hr = pDirectSoundCreate(guid, &pData->lpDS, NULL);
if(SUCCEEDED(hr))
hr = IDirectSound_SetCooperativeLevel(pData->lpDS, GetForegroundWindow(), DSSCL_PRIORITY);
if(FAILED(hr))
{
if(pData->lpDS)
IDirectSound_Release(pData->lpDS);
free(pData);
AL_PRINT("Device init failed: 0x%08lx\n", hr);
return ALC_FALSE;
}
device->szDeviceName = strdup(deviceName);
device->ExtraData = pData;
return ALC_TRUE;
}
static pa_stream *connect_playback_stream(ALCdevice *device,
pa_stream_flags_t flags, pa_buffer_attr *attr, pa_sample_spec *spec,
pa_channel_map *chanmap)
{
pulse_data *data = device->ExtraData;
pa_stream_state_t state;
pa_stream *stream;
stream = pa_stream_new(data->context, "Playback Stream", spec, chanmap);
if(!stream)
{
ERR("pa_stream_new() failed: %s\n",
pa_strerror(pa_context_errno(data->context)));
return NULL;
}
pa_stream_set_state_callback(stream, stream_state_callback, data->loop);
AL_PRINT("Attempting flags 0x%x\n", flags);
if (attr)
{
AL_PRINT("maxlength: %d tlegth: %d prebuf: %d minreq: %d fragsize: %d\n",
attr->maxlength, attr->tlength, attr->prebuf, attr->minreq, attr->fragsize);
}
if(pa_stream_connect_playback(stream, data->device_name, attr, flags, NULL, NULL) < 0)
{
ERR("Stream did not connect: %s\n",
pa_strerror(pa_context_errno(data->context)));
pa_stream_unref(stream);
return NULL;
}
while((state=pa_stream_get_state(stream)) != PA_STREAM_READY)
{
if(!PA_STREAM_IS_GOOD(state))
{
ERR("Stream did not get ready: %s\n",
pa_strerror(pa_context_errno(data->context)));
pa_stream_unref(stream);
return NULL;
}
pa_threaded_mainloop_wait(data->loop);
}
pa_stream_set_state_callback(stream, NULL, NULL);
return stream;
}
static pa_context* connect_context( pa_threaded_mainloop* loop )
{
const char* name = "OpenAL Soft";
char path_name[PATH_MAX];
pa_context_state_t state;
pa_context* context;
int err;
if ( ppa_get_binary_name( path_name, sizeof( path_name ) ) )
{
name = ppa_path_get_filename( path_name );
}
context = ppa_context_new( ppa_threaded_mainloop_get_api( loop ), name );
if ( !context )
{
AL_PRINT( "pa_context_new() failed\n" );
return NULL;
}
ppa_context_set_state_callback( context, context_state_callback, loop );
if ( ( err = ppa_context_connect( context, NULL, pulse_ctx_flags, NULL ) ) >= 0 )
{
while ( ( state = ppa_context_get_state( context ) ) != PA_CONTEXT_READY )
{
if ( !PA_CONTEXT_IS_GOOD( state ) )
{
err = ppa_context_errno( context );
break;
}
ppa_threaded_mainloop_wait( loop );
}
}
ppa_context_set_state_callback( context, NULL, NULL );
if ( err < 0 )
{
AL_PRINT( "Context did not connect: %s\n", ppa_strerror( err ) );
ppa_context_unref( context );
return NULL;
}
return context;
}
ALCvoid ReleaseALC(ALCvoid)
{
free(alcDeviceList); alcDeviceList = NULL;
alcDeviceListSize = 0;
free(alcAllDeviceList); alcAllDeviceList = NULL;
alcAllDeviceListSize = 0;
free(alcCaptureDeviceList); alcCaptureDeviceList = NULL;
alcCaptureDeviceListSize = 0;
free(alcDefaultDeviceSpecifier);
alcDefaultDeviceSpecifier = NULL;
free(alcDefaultAllDeviceSpecifier);
alcDefaultAllDeviceSpecifier = NULL;
free(alcCaptureDefaultDeviceSpecifier);
alcCaptureDefaultDeviceSpecifier = NULL;
#ifdef _DEBUG
if(g_ulDeviceCount > 0)
AL_PRINT("exit(): closing %u Device%s\n", g_ulDeviceCount, (g_ulDeviceCount>1)?"s":"");
#endif
while(g_pDeviceList)
{
if(g_pDeviceList->IsCaptureDevice)
alcCaptureCloseDevice(g_pDeviceList);
else
alcCloseDevice(g_pDeviceList);
}
}
static ALenum GetFormatFromString(const char *str)
{
if(strcasecmp(str, "AL_FORMAT_MONO32") == 0) return AL_FORMAT_MONO_FLOAT32;
if(strcasecmp(str, "AL_FORMAT_STEREO32") == 0) return AL_FORMAT_STEREO_FLOAT32;
if(strcasecmp(str, "AL_FORMAT_QUAD32") == 0) return AL_FORMAT_QUAD32;
if(strcasecmp(str, "AL_FORMAT_51CHN32") == 0) return AL_FORMAT_51CHN32;
if(strcasecmp(str, "AL_FORMAT_61CHN32") == 0) return AL_FORMAT_61CHN32;
if(strcasecmp(str, "AL_FORMAT_71CHN32") == 0) return AL_FORMAT_71CHN32;
if(strcasecmp(str, "AL_FORMAT_MONO16") == 0) return AL_FORMAT_MONO16;
if(strcasecmp(str, "AL_FORMAT_STEREO16") == 0) return AL_FORMAT_STEREO16;
if(strcasecmp(str, "AL_FORMAT_QUAD16") == 0) return AL_FORMAT_QUAD16;
if(strcasecmp(str, "AL_FORMAT_51CHN16") == 0) return AL_FORMAT_51CHN16;
if(strcasecmp(str, "AL_FORMAT_61CHN16") == 0) return AL_FORMAT_61CHN16;
if(strcasecmp(str, "AL_FORMAT_71CHN16") == 0) return AL_FORMAT_71CHN16;
if(strcasecmp(str, "AL_FORMAT_MONO8") == 0) return AL_FORMAT_MONO8;
if(strcasecmp(str, "AL_FORMAT_STEREO8") == 0) return AL_FORMAT_STEREO8;
if(strcasecmp(str, "AL_FORMAT_QUAD8") == 0) return AL_FORMAT_QUAD8;
if(strcasecmp(str, "AL_FORMAT_51CHN8") == 0) return AL_FORMAT_51CHN8;
if(strcasecmp(str, "AL_FORMAT_61CHN8") == 0) return AL_FORMAT_61CHN8;
if(strcasecmp(str, "AL_FORMAT_71CHN8") == 0) return AL_FORMAT_71CHN8;
AL_PRINT("Unknown format: \"%s\"\n", str);
return AL_FORMAT_STEREO16;
}
static ALuint OSSCaptureProc(ALvoid *ptr)
{
ALCdevice *pDevice = (ALCdevice*)ptr;
oss_data *data = (oss_data*)pDevice->ExtraData;
int frameSize;
int amt;
frameSize = aluBytesFromFormat(pDevice->Format);
frameSize *= aluChannelsFromFormat(pDevice->Format);
while(!data->killNow)
{
amt = read(data->fd, data->mix_data, data->data_size);
if(amt < 0)
{
AL_PRINT("read failed: %s\n", strerror(errno));
break;
}
if(amt == 0)
{
Sleep(1);
continue;
}
if(data->doCapture)
WriteRingBuffer(data->ring, data->mix_data, amt/frameSize);
}
return 0;
}
static ALCuint pulse_available_samples( ALCdevice* device ) //{{{
{
pulse_data* data = device->ExtraData;
size_t samples;
ppa_threaded_mainloop_lock( data->loop );
/* Capture is done in fragment-sized chunks, so we loop until we get all
* that's available */
samples = ( device->Connected ? ppa_stream_readable_size( data->stream ) : 0 );
while ( samples > 0 )
{
const void* buf;
size_t length;
if ( ppa_stream_peek( data->stream, &buf, &length ) < 0 )
{
AL_PRINT( "pa_stream_peek() failed: %s\n",
ppa_strerror( ppa_context_errno( data->context ) ) );
break;
}
WriteRingBuffer( data->ring, buf, length / data->frame_size );
samples -= length;
ppa_stream_drop( data->stream );
}
ppa_threaded_mainloop_unlock( data->loop );
return RingBufferSize( data->ring );
} //}}}
/*
* ReleaseALBuffers()
*
* INTERNAL FN : Called by DLLMain on exit to destroy any buffers that still exist
*/
ALvoid ReleaseALBuffers(ALvoid)
{
ALbuffer *ALBuffer;
ALbuffer *ALBufferTemp;
#ifdef _DEBUG
if(g_uiBufferCount > 0)
AL_PRINT("exit(): deleting %d Buffer(s)\n", g_uiBufferCount);
#endif
ALBuffer = g_pBuffers;
while(ALBuffer)
{
// Release sample data
free(ALBuffer->data);
// Release Buffer structure
ALBufferTemp = ALBuffer;
ALBuffer = ALBuffer->next;
memset(ALBufferTemp, 0, sizeof(ALbuffer));
free(ALBufferTemp);
}
g_pBuffers = NULL;
g_uiBufferCount = 0;
}
static ALCboolean alsa_open_playback(ALCdevice *device, const ALCchar *deviceName)
{
alsa_data *data;
char driver[64];
int i;
if(!alsa_load())
return ALC_FALSE;
strncpy(driver, GetConfigValue("alsa", "device", "default"), sizeof(driver)-1);
driver[sizeof(driver)-1] = 0;
if(!deviceName)
deviceName = alsaDevice;
else if(strcmp(deviceName, alsaDevice) != 0)
{
size_t idx;
if(!allDevNameMap)
allDevNameMap = probe_devices(SND_PCM_STREAM_PLAYBACK, &numDevNames);
for(idx = 0;idx < numDevNames;idx++)
{
if(allDevNameMap[idx].name &&
strcmp(deviceName, allDevNameMap[idx].name) == 0)
{
if(idx > 0)
sprintf(driver, "hw:%d,%d", allDevNameMap[idx].card, allDevNameMap[idx].dev);
break;
}
}
if(idx == numDevNames)
return ALC_FALSE;
}
data = (alsa_data*)calloc(1, sizeof(alsa_data));
i = psnd_pcm_open(&data->pcmHandle, driver, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
if(i < 0)
{
Sleep(200);
i = psnd_pcm_open(&data->pcmHandle, driver, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
}
if(i >= 0)
{
i = psnd_pcm_nonblock(data->pcmHandle, 0);
if(i < 0)
psnd_pcm_close(data->pcmHandle);
}
if(i < 0)
{
free(data);
AL_PRINT("Could not open playback device '%s': %s\n", driver, psnd_strerror(i));
return ALC_FALSE;
}
device->szDeviceName = strdup(deviceName);
device->ExtraData = data;
return ALC_TRUE;
}
static ALCboolean wave_open_playback(ALCdevice *device, const ALCchar *deviceName)
{
wave_data *data;
const char *fname;
fname = GetConfigValue("wave", "file", "");
if(!fname[0])
return ALC_FALSE;
if(!deviceName)
deviceName = waveDevice;
else if(strcmp(deviceName, waveDevice) != 0)
return ALC_FALSE;
data = (wave_data*)alCalloc(1, sizeof(wave_data));
data->f = fopen(fname, "wb");
if(!data->f)
{
alFree(data);
AL_PRINT("Could not open file '%s': %s\n", fname, strerror(errno));
return ALC_FALSE;
}
device->szDeviceName = strdup(deviceName);
device->ExtraData = data;
return ALC_TRUE;
}
void alcDSoundProbe(int type)
{
if(!DSoundLoad()) return;
if(type == DEVICE_PROBE)
AppendDeviceList(dsDevice);
else if(type == ALL_DEVICE_PROBE)
{
HRESULT hr;
ALuint i;
for(i = 0;i < NumDevices;++i)
free(DeviceList[i].name);
free(DeviceList);
DeviceList = NULL;
NumDevices = 0;
hr = pDirectSoundEnumerateA(DSoundEnumDevices, NULL);
if(FAILED(hr))
AL_PRINT("Error enumerating DirectSound devices (%#x)!\n", (unsigned int)hr);
else
{
for(i = 0;i < NumDevices;i++)
AppendAllDeviceList(DeviceList[i].name);
}
}
}
void *DSoundLoad(void)
{
if(!ds_handle)
{
#ifdef _WIN32
ds_handle = LoadLibraryA("dsound.dll");
if(ds_handle == NULL)
{
AL_PRINT("Failed to load dsound.dll\n");
return NULL;
}
#define LOAD_FUNC(f) do { \
p##f = (void*)GetProcAddress((HMODULE)ds_handle, #f); \
if(p##f == NULL) \
{ \
FreeLibrary(ds_handle); \
ds_handle = NULL; \
AL_PRINT("Could not load %s from dsound.dll\n", #f); \
return NULL; \
} \
} while(0)
#else
ds_handle = (void*)0xDEADBEEF;
#define LOAD_FUNC(f) p##f = f
#endif
LOAD_FUNC(DirectSoundCreate);
LOAD_FUNC(DirectSoundEnumerateA);
#undef LOAD_FUNC
}
return ds_handle;
}
static ALCboolean oss_open_playback(ALCdevice *device, const ALCchar *deviceName)
{
char driver[64];
oss_data *data;
strncpy(driver, GetConfigValue("oss", "device", "/dev/dsp"), sizeof(driver)-1);
driver[sizeof(driver)-1] = 0;
if(!deviceName)
deviceName = oss_device;
else if(strcmp(deviceName, oss_device) != 0)
return ALC_FALSE;
data = (oss_data*)calloc(1, sizeof(oss_data));
data->killNow = 0;
data->fd = open(driver, O_WRONLY);
if(data->fd == -1)
{
free(data);
if(errno != ENOENT)
AL_PRINT("Could not open %s: %s\n", driver, strerror(errno));
return ALC_FALSE;
}
device->szDeviceName = strdup(deviceName);
device->ExtraData = data;
return ALC_TRUE;
}
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;
} //}}}
void pa_load(void)
{
const char *str;
PaError err;
if(load_count == 0)
{
#ifdef HAVE_DLFCN_H
#if defined(__APPLE__) && defined(__MACH__)
# define PALIB "libportaudio.2.dylib"
#else
# define PALIB "libportaudio.so.2"
#endif
pa_handle = dlopen(PALIB, RTLD_NOW);
if(!pa_handle)
return;
dlerror();
#define LOAD_FUNC(f) do { \
p##f = (typeof(f)*)dlsym(pa_handle, #f); \
if((str=dlerror()) != NULL) \
{ \
dlclose(pa_handle); \
pa_handle = NULL; \
AL_PRINT("Could not load %s from "PALIB": %s\n", #f, str); \
return; \
} \
} while(0)
#else
str = NULL;
pa_handle = (void*)0xDEADBEEF;
#define LOAD_FUNC(f) p##f = f
#endif
LOAD_FUNC(Pa_Initialize);
LOAD_FUNC(Pa_Terminate);
LOAD_FUNC(Pa_GetErrorText);
LOAD_FUNC(Pa_StartStream);
LOAD_FUNC(Pa_StopStream);
LOAD_FUNC(Pa_OpenStream);
LOAD_FUNC(Pa_CloseStream);
LOAD_FUNC(Pa_GetDefaultOutputDevice);
LOAD_FUNC(Pa_GetStreamInfo);
#undef LOAD_FUNC
if((err=pPa_Initialize()) != paNoError)
{
AL_PRINT("Pa_Initialize() returned an error: %s\n", pPa_GetErrorText(err));
#ifdef HAVE_DLFCN_H
dlclose(pa_handle);
#endif
pa_handle = NULL;
return;
}
}
++load_count;
}
static void pa_stop_capture(ALCdevice *device)
{
pa_data *data = (pa_data*)device->ExtraData;
PaError err;
err = pPa_StopStream(data->stream);
if(err != paNoError)
AL_PRINT("Error stopping stream: %s\n", pPa_GetErrorText(err));
}
static void pulse_capture_samples(ALCdevice *device, ALCvoid *buffer, ALCuint samples) //{{{
{
pulse_data *data = device->ExtraData;
ALCuint available = RingBufferSize(data->ring);
const void *buf;
size_t length;
available *= data->frame_size;
samples *= data->frame_size;
ppa_threaded_mainloop_lock(data->loop);
if(available+ppa_stream_readable_size(data->stream) < samples)
{
ppa_threaded_mainloop_unlock(data->loop);
alcSetError(device, ALC_INVALID_VALUE);
return;
}
available = min(available, samples);
if(available > 0)
{
ReadRingBuffer(data->ring, buffer, available/data->frame_size);
buffer = (ALubyte*)buffer + available;
samples -= available;
}
/* Capture is done in fragment-sized chunks, so we loop until we get all
* that's requested */
while(samples > 0)
{
if(ppa_stream_peek(data->stream, &buf, &length) < 0)
{
AL_PRINT("pa_stream_peek() failed: %s\n",
ppa_strerror(ppa_context_errno(data->context)));
break;
}
available = min(length, samples);
memcpy(buffer, buf, available);
buffer = (ALubyte*)buffer + available;
buf = (const ALubyte*)buf + available;
samples -= available;
length -= available;
/* Any unread data in the fragment will be lost, so save it */
length /= data->frame_size;
if(length > 0)
{
if(length > data->samples)
length = data->samples;
WriteRingBuffer(data->ring, buf, length);
}
ppa_stream_drop(data->stream);
}
ppa_threaded_mainloop_unlock(data->loop);
} //}}}
static pa_stream* connect_playback_stream( ALCdevice* device,
pa_stream_flags_t flags, pa_buffer_attr* attr, pa_sample_spec* spec,
pa_channel_map* chanmap )
{
pulse_data* data = device->ExtraData;
pa_stream_state_t state;
pa_stream* stream;
stream = ppa_stream_new( data->context, "Playback Stream", spec, chanmap );
if ( !stream )
{
AL_PRINT( "pa_stream_new() failed: %s\n",
ppa_strerror( ppa_context_errno( data->context ) ) );
return NULL;
}
ppa_stream_set_state_callback( stream, stream_state_callback, data->loop );
if ( ppa_stream_connect_playback( stream, data->device_name, attr, flags, NULL, NULL ) < 0 )
{
AL_PRINT( "Stream did not connect: %s\n",
ppa_strerror( ppa_context_errno( data->context ) ) );
ppa_stream_unref( stream );
return NULL;
}
while ( ( state = ppa_stream_get_state( 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( stream );
return NULL;
}
ppa_threaded_mainloop_wait( data->loop );
}
ppa_stream_set_state_callback( stream, NULL, NULL );
return stream;
}
static ALuint ALSANoMMapProc(ALvoid *ptr)
{
ALCdevice *pDevice = (ALCdevice*)ptr;
alsa_data *data = (alsa_data*)pDevice->ExtraData;
snd_pcm_sframes_t avail;
char *WritePtr;
SetRTPriority();
while(!data->killNow)
{
int state = verify_state(data->pcmHandle);
if(state < 0)
{
AL_PRINT("Invalid state detected: %s\n", psnd_strerror(state));
aluHandleDisconnect(pDevice);
break;
}
WritePtr = data->buffer;
avail = data->size / psnd_pcm_frames_to_bytes(data->pcmHandle, 1);
aluMixData(pDevice, WritePtr, avail);
while(avail > 0)
{
int ret = psnd_pcm_writei(data->pcmHandle, WritePtr, avail);
switch (ret)
{
case -EAGAIN:
continue;
case -ESTRPIPE:
case -EPIPE:
case -EINTR:
ret = psnd_pcm_recover(data->pcmHandle, ret, 1);
if(ret >= 0)
psnd_pcm_prepare(data->pcmHandle);
break;
default:
if (ret >= 0)
{
WritePtr += psnd_pcm_frames_to_bytes(data->pcmHandle, ret);
avail -= ret;
}
break;
}
if (ret < 0)
{
ret = psnd_pcm_prepare(data->pcmHandle);
if(ret < 0)
break;
}
}
}
return 0;
}
static void context_state_callback2(pa_context *context, void *pdata) //{{{
{
ALCdevice *Device = pdata;
if(ppa_context_get_state(context) == PA_CONTEXT_FAILED)
{
AL_PRINT("Received context failure!\n");
aluHandleDisconnect(Device);
}
}//}}}
static void stream_state_callback2(pa_stream *stream, void *pdata) //{{{
{
ALCdevice *Device = pdata;
if(ppa_stream_get_state(stream) == PA_STREAM_FAILED)
{
AL_PRINT("Received stream failure!\n");
aluHandleDisconnect(Device);
}
}//}}}
void ReadALConfig(void)
{
FILE *f;
cfgBlocks = calloc(1, sizeof(ConfigBlock));
cfgBlocks->name = strdup("general");
cfgCount = 1;
#ifdef _WIN32
#else
f = fopen("/etc/openal/alsoft.conf", "r");
if(!f)
{
f = fopen("/etc/openal/config", "r");
if(f)
AL_PRINT("Reading /etc/openal/config; this file is deprecated\n"
"\tPlease rename it to /etc/openal/alsoft.conf\n");
}
if(f)
{
LoadConfigFromFile(f);
fclose(f);
}
if(getenv("HOME") && *(getenv("HOME")))
{
snprintf(buffer, sizeof(buffer), "%s/.alsoftrc", getenv("HOME"));
f = fopen(buffer, "r");
if(!f)
{
snprintf(buffer, sizeof(buffer), "%s/.openalrc", getenv("HOME"));
f = fopen(buffer, "r");
if(f)
AL_PRINT("Reading ~/.openalrc; this file is deprecated\n"
"\tPlease rename it to ~/.alsoftrc\n");
}
if(f)
{
LoadConfigFromFile(f);
fclose(f);
}
}
#endif
}
static ALuint ALSANoMMapCaptureProc(ALvoid *ptr)
{
ALCdevice *pDevice = (ALCdevice*)ptr;
alsa_data *data = (alsa_data*)pDevice->ExtraData;
snd_pcm_sframes_t avail;
while(!data->killNow)
{
int state = verify_state(data->pcmHandle);
if(state < 0)
{
AL_PRINT("Invalid state detected: %s\n", psnd_strerror(state));
aluHandleDisconnect(pDevice);
break;
}
avail = (snd_pcm_uframes_t)data->size / psnd_pcm_frames_to_bytes(data->pcmHandle, 1);
avail = psnd_pcm_readi(data->pcmHandle, data->buffer, avail);
switch(avail)
{
case -EAGAIN:
continue;
case -ESTRPIPE:
while((avail=psnd_pcm_resume(data->pcmHandle)) == -EAGAIN)
Sleep(1);
break;
case -EPIPE:
break;
default:
if (avail >= 0 && data->doCapture)
WriteRingBuffer(data->ring, data->buffer, avail);
break;
}
if(avail < 0)
{
avail = psnd_pcm_prepare(data->pcmHandle);
if(avail < 0)
AL_PRINT("prepare error: %s\n", psnd_strerror(avail));
}
}
return 0;
}
void alcDSoundInit(BackendFuncs *FuncList)
{
size_t iter = 1;
HRESULT hr;
*FuncList = DSoundFuncs;
hr = DirectSoundEnumerate(DSoundEnumDevices, &iter);
if(FAILED(hr))
AL_PRINT("Error enumerating DirectSound devices (%#x)!\n", (unsigned int)hr);
}
static int xrun_recovery(snd_pcm_t *handle, int err)
{
if (err == -EPIPE)
{ /* under-run */
err = psnd_pcm_prepare(handle);
if (err < 0)
AL_PRINT("prepare failed: %s\n", psnd_strerror(err));
}
else if (err == -ESTRPIPE)
{
while ((err = psnd_pcm_resume(handle)) == -EAGAIN)
Sleep(1); /* wait until the suspend flag is released */
if (err < 0)
{
err = psnd_pcm_prepare(handle);
if (err < 0)
AL_PRINT("prepare failed: %s\n", psnd_strerror(err));
}
}
return err;
}
static void stream_state_callback2(pa_stream *stream, void *pdata) //{{{
{
ALCdevice *Device = pdata;
pulse_data *data = Device->ExtraData;
if(ppa_stream_get_state(stream) == PA_STREAM_FAILED)
{
AL_PRINT("Received stream failure!\n");
aluHandleDisconnect(Device);
}
ppa_threaded_mainloop_signal(data->loop, 0);
}//}}}
static void pa_close_capture(ALCdevice *device)
{
pa_data *data = (pa_data*)device->ExtraData;
PaError err;
err = pPa_CloseStream(data->stream);
if(err != paNoError)
AL_PRINT("Error closing stream: %s\n", pPa_GetErrorText(err));
free(data);
device->ExtraData = NULL;
}
ALCchar *AppendCaptureDeviceList(char *name)
{
static size_t pos;
ALCchar *ret = alcCaptureDeviceList+pos;
if(pos >= sizeof(alcCaptureDeviceList))
{
AL_PRINT("Not enough room to add %s!\n", name);
return alcCaptureDeviceList + sizeof(alcCaptureDeviceList) - 1;
}
pos += snprintf(alcCaptureDeviceList+pos, sizeof(alcCaptureDeviceList)-pos-1, "%s", name) + 1;
return ret;
}
static int xrun_recovery(snd_pcm_t *handle, int err)
{
if(err == -EINTR || err == -EPIPE || err == -ESTRPIPE)
{
err = psnd_pcm_recover(handle, err, 1);
if(err >= 0)
err = psnd_pcm_prepare(handle);
if(err < 0)
AL_PRINT("recover failed: %s\n", psnd_strerror(err));
}
return err;
}
