uint32_t scheduler_next_pid(void)
{
uint32_t pid_runnable = max_id_in_ps_list(&runnable_pss);
uint32_t pid_zombie = max_id_in_ps_list(&zombie_pss);
return maxu(pid_runnable, pid_zombie) + 1;
}
static void GenModList_accumGen(GenModList *self, const Generator *gen)
{
Generator *i = VECTOR_ITER_BEGIN(self->gens);
Generator *end = VECTOR_ITER_END(self->gens);
for(;i != end;i++)
{
if(i->mGenerator == gen->mGenerator)
{
if(gen->mGenerator == 43 || gen->mGenerator == 44)
{
/* Range generators accumulate by taking the intersection of
* the two ranges.
*/
ALushort low = maxu(i->mAmount&0x00ff, gen->mAmount&0x00ff);
ALushort high = minu(i->mAmount&0xff00, gen->mAmount&0xff00);
i->mAmount = low | high;
}
else
i->mAmount += gen->mAmount;
return;
}
}
if(VECTOR_PUSH_BACK(self->gens, *gen) == AL_FALSE)
{
ERR("Failed to insert generator (from %d elements)\n", VECTOR_SIZE(self->gens));
return;
}
if(gen->mGenerator < 60)
VECTOR_BACK(self->gens).mAmount += DefaultGenValue[gen->mGenerator];
}
int radix_sortu(unsigned *data, unsigned size, unsigned base)
{
unsigned digits;
unsigned i;
unsigned *counts = NULL;
unsigned *output = NULL;
assert(data != NULL && size > 0);
assert(base > 1 && base <= 256);
if (data == NULL || size == 0)
return 1;
if (base <= 1)
return 1;
digits = get_digits_count(maxu(data, size), base);
if (digits == 0)
return 1;
if ((counts = calloc(base, sizeof(unsigned))) == NULL ||
(output = malloc(size * sizeof(unsigned))) == NULL)
{
free(counts);
free(output);
return 1;
}
_radix_sortu_internal.base = base;
_radix_sortu_internal.radix = 1;
for (i = 1; i <= digits; ++i)
{
counting_sorti((int *)data, size, base, radix_key, counts, (int *)output);
_radix_sortu_internal.radix *= base;
}
free(counts);
free(output);
return 0;
}
static ALCenum DSoundOpenCapture(ALCdevice *device, const ALCchar *deviceName)
{
DSoundCaptureData *data = NULL;
WAVEFORMATEXTENSIBLE InputType;
DSCBUFFERDESC DSCBDescription;
LPGUID guid = NULL;
HRESULT hr, hrcom;
ALuint samples;
if(!CaptureDeviceList)
{
/* Initialize COM to prevent name truncation */
hrcom = CoInitialize(NULL);
hr = DirectSoundCaptureEnumerateA(DSoundEnumCaptureDevices, NULL);
if(FAILED(hr))
ERR("Error enumerating DirectSound devices (%#x)!\n", (unsigned int)hr);
if(SUCCEEDED(hrcom))
CoUninitialize();
}
if(!deviceName && NumCaptureDevices > 0)
{
deviceName = CaptureDeviceList[0].name;
guid = &CaptureDeviceList[0].guid;
}
else
{
ALuint i;
for(i = 0;i < NumCaptureDevices;i++)
{
if(strcmp(deviceName, CaptureDeviceList[i].name) == 0)
{
guid = &CaptureDeviceList[i].guid;
break;
}
}
if(i == NumCaptureDevices)
return ALC_INVALID_VALUE;
}
switch(device->FmtType)
{
case DevFmtByte:
case DevFmtUShort:
case DevFmtUInt:
WARN("%s capture samples not supported\n", DevFmtTypeString(device->FmtType));
return ALC_INVALID_ENUM;
case DevFmtUByte:
case DevFmtShort:
case DevFmtInt:
case DevFmtFloat:
break;
}
//Initialise requested device
data = calloc(1, sizeof(DSoundCaptureData));
if(!data)
return ALC_OUT_OF_MEMORY;
hr = DS_OK;
//DirectSoundCapture Init code
if(SUCCEEDED(hr))
hr = DirectSoundCaptureCreate(guid, &data->DSC, NULL);
if(SUCCEEDED(hr))
{
memset(&InputType, 0, sizeof(InputType));
switch(device->FmtChans)
{
case DevFmtMono:
InputType.dwChannelMask = SPEAKER_FRONT_CENTER;
break;
case DevFmtStereo:
InputType.dwChannelMask = SPEAKER_FRONT_LEFT |
SPEAKER_FRONT_RIGHT;
break;
case DevFmtQuad:
InputType.dwChannelMask = SPEAKER_FRONT_LEFT |
SPEAKER_FRONT_RIGHT |
SPEAKER_BACK_LEFT |
SPEAKER_BACK_RIGHT;
break;
case DevFmtX51:
InputType.dwChannelMask = SPEAKER_FRONT_LEFT |
SPEAKER_FRONT_RIGHT |
SPEAKER_FRONT_CENTER |
SPEAKER_LOW_FREQUENCY |
SPEAKER_BACK_LEFT |
SPEAKER_BACK_RIGHT;
break;
case DevFmtX51Side:
InputType.dwChannelMask = SPEAKER_FRONT_LEFT |
SPEAKER_FRONT_RIGHT |
SPEAKER_FRONT_CENTER |
SPEAKER_LOW_FREQUENCY |
SPEAKER_SIDE_LEFT |
SPEAKER_SIDE_RIGHT;
break;
case DevFmtX61:
InputType.dwChannelMask = SPEAKER_FRONT_LEFT |
SPEAKER_FRONT_RIGHT |
SPEAKER_FRONT_CENTER |
SPEAKER_LOW_FREQUENCY |
SPEAKER_BACK_CENTER |
SPEAKER_SIDE_LEFT |
SPEAKER_SIDE_RIGHT;
break;
case DevFmtX71:
InputType.dwChannelMask = SPEAKER_FRONT_LEFT |
SPEAKER_FRONT_RIGHT |
SPEAKER_FRONT_CENTER |
SPEAKER_LOW_FREQUENCY |
SPEAKER_BACK_LEFT |
SPEAKER_BACK_RIGHT |
SPEAKER_SIDE_LEFT |
SPEAKER_SIDE_RIGHT;
break;
}
InputType.Format.wFormatTag = WAVE_FORMAT_PCM;
InputType.Format.nChannels = ChannelsFromDevFmt(device->FmtChans);
InputType.Format.wBitsPerSample = BytesFromDevFmt(device->FmtType) * 8;
InputType.Format.nBlockAlign = InputType.Format.nChannels*InputType.Format.wBitsPerSample/8;
InputType.Format.nSamplesPerSec = device->Frequency;
InputType.Format.nAvgBytesPerSec = InputType.Format.nSamplesPerSec*InputType.Format.nBlockAlign;
InputType.Format.cbSize = 0;
if(InputType.Format.nChannels > 2 || device->FmtType == DevFmtFloat)
{
InputType.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
InputType.Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
InputType.Samples.wValidBitsPerSample = InputType.Format.wBitsPerSample;
if(device->FmtType == DevFmtFloat)
InputType.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
else
InputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
}
samples = device->UpdateSize * device->NumUpdates;
samples = maxu(samples, 100 * device->Frequency / 1000);
memset(&DSCBDescription, 0, sizeof(DSCBUFFERDESC));
DSCBDescription.dwSize = sizeof(DSCBUFFERDESC);
DSCBDescription.dwFlags = 0;
DSCBDescription.dwBufferBytes = samples * InputType.Format.nBlockAlign;
DSCBDescription.lpwfxFormat = &InputType.Format;
hr = IDirectSoundCapture_CreateCaptureBuffer(data->DSC, &DSCBDescription, &data->DSCbuffer, NULL);
}
if(SUCCEEDED(hr))
{
data->Ring = CreateRingBuffer(InputType.Format.nBlockAlign, device->UpdateSize * device->NumUpdates);
if(data->Ring == NULL)
hr = DSERR_OUTOFMEMORY;
}
if(FAILED(hr))
{
ERR("Device init failed: 0x%08lx\n", hr);
DestroyRingBuffer(data->Ring);
data->Ring = NULL;
if(data->DSCbuffer != NULL)
IDirectSoundCaptureBuffer_Release(data->DSCbuffer);
data->DSCbuffer = NULL;
if(data->DSC)
IDirectSoundCapture_Release(data->DSC);
data->DSC = NULL;
free(data);
return ALC_INVALID_VALUE;
}
data->BufferBytes = DSCBDescription.dwBufferBytes;
SetDefaultWFXChannelOrder(device);
device->DeviceName = strdup(deviceName);
device->ExtraData = data;
return ALC_NO_ERROR;
}
static ALCboolean pulse_reset_playback(ALCdevice *device) //{{{
{
pulse_data *data = device->ExtraData;
pa_stream_flags_t flags = 0;
pa_channel_map chanmap;
pa_threaded_mainloop_lock(data->loop);
if(!(device->Flags&DEVICE_CHANNELS_REQUEST))
{
pa_operation *o;
o = pa_context_get_sink_info_by_name(data->context, data->device_name, sink_info_callback, device);
while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
pa_threaded_mainloop_wait(data->loop);
pa_operation_unref(o);
}
if(!(device->Flags&DEVICE_FREQUENCY_REQUEST))
flags |= PA_STREAM_FIX_RATE;
data->frame_size = FrameSizeFromDevFmt(device->FmtChans, device->FmtType);
data->attr.prebuf = -1;
data->attr.fragsize = -1;
data->attr.minreq = device->UpdateSize * data->frame_size;
data->attr.tlength = data->attr.minreq * maxu(device->NumUpdates, 2);
data->attr.maxlength = -1;
flags |= PA_STREAM_EARLY_REQUESTS;
flags |= PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE;
switch(device->FmtType)
{
case DevFmtByte:
device->FmtType = DevFmtUByte;
/* fall-through */
case DevFmtUByte:
data->spec.format = PA_SAMPLE_U8;
break;
case DevFmtUShort:
device->FmtType = DevFmtShort;
/* fall-through */
case DevFmtShort:
data->spec.format = PA_SAMPLE_S16NE;
break;
case DevFmtFloat:
data->spec.format = PA_SAMPLE_FLOAT32NE;
break;
}
data->spec.rate = device->Frequency;
data->spec.channels = ChannelsFromDevFmt(device->FmtChans);
if(pa_sample_spec_valid(&data->spec) == 0)
{
ERR("Invalid sample format\n");
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
if(!pa_channel_map_init_auto(&chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX))
{
ERR("Couldn't build map for channel count (%d)!\n", data->spec.channels);
pa_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)
{
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
pa_stream_set_state_callback(data->stream, stream_state_callback2, device);
data->spec = *(pa_stream_get_sample_spec(data->stream));
if(device->Frequency != data->spec.rate)
{
pa_operation *o;
if((device->Flags&DEVICE_FREQUENCY_REQUEST))
ERR("Failed to set frequency %dhz, got %dhz instead\n", device->Frequency, data->spec.rate);
device->Flags &= ~DEVICE_FREQUENCY_REQUEST;
/* Server updated our playback rate, so modify the buffer attribs
* accordingly. */
data->attr.minreq = (ALuint64)(data->attr.minreq/data->frame_size) *
data->spec.rate / device->Frequency * data->frame_size;
data->attr.tlength = data->attr.minreq * maxu(device->NumUpdates, 2);
o = pa_stream_set_buffer_attr(data->stream, &data->attr,
stream_success_callback, device);
while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
pa_threaded_mainloop_wait(data->loop);
pa_operation_unref(o);
device->Frequency = data->spec.rate;
}
#if PA_CHECK_VERSION(0,9,15)
if(pa_stream_set_buffer_attr_callback)
pa_stream_set_buffer_attr_callback(data->stream, stream_buffer_attr_callback, device);
#endif
pa_stream_set_moved_callback(data->stream, stream_device_callback, device);
pa_stream_set_write_callback(data->stream, stream_write_callback, device);
pa_stream_set_underflow_callback(data->stream, stream_signal_callback, device);
data->attr = *(pa_stream_get_buffer_attr(data->stream));
ERR("PulseAudio returned minreq=%d, tlength=%d\n", data->attr.minreq, data->attr.tlength);
device->UpdateSize = data->attr.minreq / data->frame_size;
device->NumUpdates = (data->attr.tlength/data->frame_size) / device->UpdateSize;
while(device->NumUpdates <= 2)
{
pa_operation *o;
ERR("minreq too high - expect lag or break up\n");
/* Server gave a comparatively large minreq, so modify the tlength. */
device->NumUpdates = 2;
data->attr.tlength = data->attr.minreq * device->NumUpdates;
o = pa_stream_set_buffer_attr(data->stream, &data->attr,
stream_success_callback, device);
while(pa_operation_get_state(o) == PA_OPERATION_RUNNING)
pa_threaded_mainloop_wait(data->loop);
pa_operation_unref(o);
data->attr = *(pa_stream_get_buffer_attr(data->stream));
ERR("PulseAudio returned minreq=%d, tlength=%d", data->attr.minreq, data->attr.tlength);
device->UpdateSize = data->attr.minreq / data->frame_size;
device->NumUpdates = (data->attr.tlength/data->frame_size) / device->UpdateSize;
}
data->thread = StartThread(PulseProc, device);
if(!data->thread)
{
#if PA_CHECK_VERSION(0,9,15)
if(pa_stream_set_buffer_attr_callback)
pa_stream_set_buffer_attr_callback(data->stream, NULL, NULL);
#endif
pa_stream_set_moved_callback(data->stream, NULL, NULL);
pa_stream_set_write_callback(data->stream, NULL, NULL);
pa_stream_set_underflow_callback(data->stream, NULL, NULL);
pa_stream_disconnect(data->stream);
pa_stream_unref(data->stream);
data->stream = NULL;
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
pa_threaded_mainloop_unlock(data->loop);
return ALC_TRUE;
} //}}}
static ALCenum 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(!allCaptureDevNameMap)
probe_devices(AL_TRUE);
if(!device_name)
device_name = pulse_device;
else if(strcmp(device_name, pulse_device) != 0)
{
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_INVALID_VALUE;
}
if(pulse_open(device, device_name) == ALC_FALSE)
return ALC_INVALID_VALUE;
data = device->ExtraData;
pa_threaded_mainloop_lock(data->loop);
data->samples = device->UpdateSize * device->NumUpdates;
data->frame_size = FrameSizeFromDevFmt(device->FmtChans, device->FmtType);
data->samples = maxu(data->samples, 100 * device->Frequency / 1000);
if(!(data->ring = CreateRingBuffer(data->frame_size, data->samples)))
{
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
data->attr.minreq = -1;
data->attr.prebuf = -1;
data->attr.maxlength = data->samples * data->frame_size;
data->attr.tlength = -1;
data->attr.fragsize = minu(data->samples, 50*device->Frequency/1000) *
data->frame_size;
data->spec.rate = device->Frequency;
data->spec.channels = ChannelsFromDevFmt(device->FmtChans);
switch(device->FmtType)
{
case DevFmtUByte:
data->spec.format = PA_SAMPLE_U8;
break;
case DevFmtShort:
data->spec.format = PA_SAMPLE_S16NE;
break;
case DevFmtFloat:
data->spec.format = PA_SAMPLE_FLOAT32NE;
break;
case DevFmtByte:
case DevFmtUShort:
ERR("Capture format type %#x capture not supported on PulseAudio\n", device->FmtType);
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
if(pa_sample_spec_valid(&data->spec) == 0)
{
ERR("Invalid sample format\n");
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
if(!pa_channel_map_init_auto(&chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX))
{
ERR("Couldn't build map for channel count (%d)!\n", data->spec.channels);
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
data->stream = pa_stream_new(data->context, "Capture Stream", &data->spec, &chanmap);
if(!data->stream)
{
ERR("pa_stream_new() failed: %s\n",
pa_strerror(pa_context_errno(data->context)));
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
pa_stream_set_state_callback(data->stream, stream_state_callback, data->loop);
flags |= PA_STREAM_START_CORKED|PA_STREAM_ADJUST_LATENCY;
if(pa_stream_connect_record(data->stream, pulse_name, &data->attr, flags) < 0)
{
ERR("Stream did not connect: %s\n",
pa_strerror(pa_context_errno(data->context)));
pa_stream_unref(data->stream);
data->stream = NULL;
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
while((state=pa_stream_get_state(data->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(data->stream);
data->stream = NULL;
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
pa_threaded_mainloop_wait(data->loop);
}
pa_stream_set_state_callback(data->stream, stream_state_callback2, device);
pa_threaded_mainloop_unlock(data->loop);
return ALC_NO_ERROR;
fail:
pulse_close(device);
return ALC_INVALID_VALUE;
} //}}}
static ALCenum alsa_open_capture(ALCdevice *Device, const ALCchar *deviceName)
{
const char *driver = NULL;
snd_pcm_hw_params_t *hp;
snd_pcm_uframes_t bufferSizeInFrames;
snd_pcm_uframes_t periodSizeInFrames;
ALboolean needring = AL_FALSE;
snd_pcm_format_t format;
const char *funcerr;
alsa_data *data;
int err;
if(deviceName)
{
size_t idx;
if(!allCaptureDevNameMap)
allCaptureDevNameMap = probe_devices(SND_PCM_STREAM_CAPTURE, &numCaptureDevNames);
for(idx = 0;idx < numCaptureDevNames;idx++)
{
if(strcmp(deviceName, allCaptureDevNameMap[idx].name) == 0)
{
driver = allCaptureDevNameMap[idx].device;
break;
}
}
if(idx == numCaptureDevNames)
return ALC_INVALID_VALUE;
}
else
{
deviceName = alsaDevice;
driver = GetConfigValue("alsa", "capture", "default");
}
data = (alsa_data*)calloc(1, sizeof(alsa_data));
err = snd_pcm_open(&data->pcmHandle, driver, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
if(err < 0)
{
ERR("Could not open capture device '%s': %s\n", driver, snd_strerror(err));
free(data);
return ALC_INVALID_VALUE;
}
format = -1;
switch(Device->FmtType)
{
case DevFmtByte:
format = SND_PCM_FORMAT_S8;
break;
case DevFmtUByte:
format = SND_PCM_FORMAT_U8;
break;
case DevFmtShort:
format = SND_PCM_FORMAT_S16;
break;
case DevFmtUShort:
format = SND_PCM_FORMAT_U16;
break;
case DevFmtInt:
format = SND_PCM_FORMAT_S32;
break;
case DevFmtUInt:
format = SND_PCM_FORMAT_U32;
break;
case DevFmtFloat:
format = SND_PCM_FORMAT_FLOAT;
break;
}
funcerr = NULL;
bufferSizeInFrames = maxu(Device->UpdateSize*Device->NumUpdates,
100*Device->Frequency/1000);
periodSizeInFrames = minu(bufferSizeInFrames, 25*Device->Frequency/1000);
snd_pcm_hw_params_malloc(&hp);
#define CHECK(x) if((funcerr=#x),(err=(x)) < 0) goto error
CHECK(snd_pcm_hw_params_any(data->pcmHandle, hp));
/* set interleaved access */
CHECK(snd_pcm_hw_params_set_access(data->pcmHandle, hp, SND_PCM_ACCESS_RW_INTERLEAVED));
/* set format (implicitly sets sample bits) */
CHECK(snd_pcm_hw_params_set_format(data->pcmHandle, hp, format));
/* set channels (implicitly sets frame bits) */
CHECK(snd_pcm_hw_params_set_channels(data->pcmHandle, hp, ChannelsFromDevFmt(Device->FmtChans)));
/* set rate (implicitly constrains period/buffer parameters) */
CHECK(snd_pcm_hw_params_set_rate(data->pcmHandle, hp, Device->Frequency, 0));
/* set buffer size in frame units (implicitly sets period size/bytes/time and buffer time/bytes) */
if(snd_pcm_hw_params_set_buffer_size_min(data->pcmHandle, hp, &bufferSizeInFrames) < 0)
{
TRACE("Buffer too large, using intermediate ring buffer\n");
needring = AL_TRUE;
CHECK(snd_pcm_hw_params_set_buffer_size_near(data->pcmHandle, hp, &bufferSizeInFrames));
}
/* set buffer size in frame units (implicitly sets period size/bytes/time and buffer time/bytes) */
CHECK(snd_pcm_hw_params_set_period_size_near(data->pcmHandle, hp, &periodSizeInFrames, NULL));
/* install and prepare hardware configuration */
CHECK(snd_pcm_hw_params(data->pcmHandle, hp));
/* retrieve configuration info */
CHECK(snd_pcm_hw_params_get_period_size(hp, &periodSizeInFrames, NULL));
#undef CHECK
snd_pcm_hw_params_free(hp);
hp = NULL;
if(needring)
{
data->ring = CreateRingBuffer(FrameSizeFromDevFmt(Device->FmtChans, Device->FmtType),
Device->UpdateSize*Device->NumUpdates);
if(!data->ring)
{
ERR("ring buffer create failed\n");
goto error2;
}
data->size = snd_pcm_frames_to_bytes(data->pcmHandle, periodSizeInFrames);
data->buffer = malloc(data->size);
if(!data->buffer)
{
ERR("buffer malloc failed\n");
goto error2;
}
}
Device->DeviceName = strdup(deviceName);
Device->ExtraData = data;
return ALC_NO_ERROR;
error:
ERR("%s failed: %s\n", funcerr, snd_strerror(err));
if(hp) snd_pcm_hw_params_free(hp);
error2:
free(data->buffer);
DestroyRingBuffer(data->ring);
snd_pcm_close(data->pcmHandle);
free(data);
Device->ExtraData = NULL;
return ALC_INVALID_VALUE;
}
SWR_FN void swr_render_model(swr_render_target *target, u32 render_mode, model *model, vec3 cam_pos,
mat4 model_mat, mat4 viewproj_mat, mat4 screen_mat, vec3 sun_direction,
col4 sun_col, float ambient_intencity, mem_pool *pool) {
tex2d target_tex = *target->texture;
float *z_buffer = target->z_buffer;
u8 *old_hi_ptr = pool->hi;
vec4 *vertices = (vec4 *)mem_push_back(pool, model->nvertices * sizeof(*vertices));
vec3 *cam_directions = (vec3 *)mem_push_back(pool, model->nvertices * sizeof(*cam_directions));
for (u32 i = 0, e = model->nvertices; i < e; ++i) {
vec3 v = mul_m4v4(model_mat, v3_to_v4(model->vertices[i], 1.0f)).xyz;
cam_directions[i] = norm_v3(sub_v3(v, cam_pos));
vertices[i] = mul_m4v4(viewproj_mat, v3_to_v4(v, 1.0f));
}
face **culled_faces = (face **)mem_push_back(pool, model->nface_groups * sizeof(*culled_faces));
u32 *nculled_faces = (u32 *)mem_push_back(pool, model->nface_groups * sizeof(*nculled_faces));
for (u32 face_group = 0; face_group < model->nface_groups; ++face_group) {
face *src_faces = model->face_groups[face_group].faces;
u32 nsrc_faces = model->face_groups[face_group].nfaces;
face *faces = culled_faces[face_group] =
(face *)mem_push_back(pool, nsrc_faces * sizeof(*faces));
u32 nfaces = 0;
for (u32 i = 0; i < nsrc_faces; ++i) {
face face = src_faces[i];
b32 inside_frustrum = true;
for (u32 j = 0; j < 3; ++j) {
vec4 vertex = vertices[face.v[j]];
if (vertex.x > vertex.w || vertex.x < -vertex.w || vertex.y > vertex.w ||
vertex.y < -vertex.w || vertex.z > vertex.w || vertex.z < -vertex.w ||
vertex.w == 0) {
inside_frustrum = false;
break;
}
}
if (inside_frustrum)
faces[nfaces++] = face;
}
nculled_faces[face_group] = nfaces;
}
// TODO: avoid computing irrelevant data (?)
for (u32 i = 0; i < model->nvertices; ++i) {
vec4 vertex = vertices[i];
vertex = div_v4f(vertex, vertex.w);
vertex = mul_m4v4(screen_mat, vertex);
vertices[i] = vertex;
}
for (u32 face_group = 0; face_group < model->nface_groups; ++face_group) {
face *faces = culled_faces[face_group];
u32 nfaces = nculled_faces[face_group];
material *material = model->face_groups[face_group].material;
for (u32 i = 0; i < nfaces; ++i) {
face face = faces[i];
vec4 verts[] = {vertices[face.v[0]], vertices[face.v[1]], vertices[face.v[2]]};
u32 x1 = (u32)verts[0].x;
u32 y1 = (u32)verts[0].y;
u32 x2 = (u32)verts[1].x;
u32 y2 = (u32)verts[1].y;
u32 x3 = (u32)verts[2].x;
u32 y3 = (u32)verts[2].y;
if (render_mode & (SRM_SHADED | SRM_TEXTURED)) {
u32 minX = minu(x1, minu(x2, x3));
u32 minY = minu(y1, minu(y2, y3));
u32 maxX = maxu(x1, maxu(x2, x3)) + 1;
u32 maxY = maxu(y1, maxu(y2, y3)) + 1;
vec3 norms[3];
float lum[3];
if (render_mode & SRM_SHADED) {
// TODO: apply reverse transformations to normales
norms[0] = model->normales[face.n[0]];
norms[1] = model->normales[face.n[1]];
norms[2] = model->normales[face.n[2]];
float diffuse[3];
for (u32 j = 0; j < 3; ++j)
diffuse[j] = clamp(dot_v3(norms[j], sun_direction), 0, 1.0f);
vec3 L = neg_v3(sun_direction);
float specular[3] = {0};
for (u32 j = 0; j < 3; ++j) {
if (diffuse[j]) {
vec3 V = cam_directions[face.v[j]];
vec3 H = norm_v3(add_v3(V, L));
specular[j] = (float)pow(dot_v3(H, norms[j]), 32);
}
}
for (u32 j = 0; j < 3; ++j)
lum[j] = ambient_intencity + diffuse[j] + specular[j];
}
vec2 face_uvs[3];
face_uvs[0] = model->uvs[face.uv[0]];
face_uvs[1] = model->uvs[face.uv[1]];
face_uvs[2] = model->uvs[face.uv[2]];
vec2 a = {(float)x1, (float)y1};
vec2 b = {(float)x2, (float)y2};
vec2 c = {(float)x3, (float)y3};
vec2 v0 = sub_v2(b, a);
vec2 v1 = sub_v2(c, a);
for (u32 x = minX; x < maxX; ++x) {
for (u32 y = minY; y < maxY; ++y) {
// calculate barycentric coords...
vec2 p = {(float)x, (float)y};
vec2 v2 = sub_v2(p, a);
float d00 = dot_v2(v0, v0);
float d01 = dot_v2(v0, v1);
float d11 = dot_v2(v1, v1);
float d20 = dot_v2(v2, v0);
float d21 = dot_v2(v2, v1);
float denom = d00 * d11 - d01 * d01;
float v = (d11 * d20 - d01 * d21) / denom;
float w = (d00 * d21 - d01 * d20) / denom;
float u = 1.0f - v - w;
if (!(v >= -0.001 && w >= -0.001 && u >= -0.001))
continue;
u32 z_buff_idx = y * target_tex.width + x;
float z = verts[1].z * v + verts[2].z * w + verts[0].z * u;
if (z_buffer[z_buff_idx] > z) {
float l = 1.0f;
if (render_mode & SRM_SHADED) {
l = lum[1] * v + lum[2] * w + lum[0] * u;
}
col4 texel = {255, 255, 255, 255};
if ((render_mode & SRM_TEXTURED) && material->diffuse) {
float tu =
face_uvs[1].x * v + face_uvs[2].x * w + face_uvs[0].x * u;
float tv =
face_uvs[1].y * v + face_uvs[2].y * w + face_uvs[0].y * u;
tu *= material->diffuse->width;
tv *= material->diffuse->height;
texel = *sample_t2d(*material->diffuse, (u32)tu, (u32)tv);
}
col4 fragment_col = { .e[3] = 255 };
for (u32 j = 0; j < 3; ++j) {
float cl = sun_col.e[j] * l / 255.0f;
fragment_col.e[j] = (u8)clamp(texel.e[j] * cl, 0, 255.0f);
}
*sample_t2d(target_tex, x, y) = fragment_col;
z_buffer[z_buff_idx] = z;
}
}
}
}
}
if (render_mode & SRM_WIREFRAME) {
for (u32 i = 0; i < nfaces; ++i) {
const col4 model_col = {255, 255, 255, 255};
vec4 v1 = vertices[faces[i].v[0]];
vec4 v2 = vertices[faces[i].v[1]];
vec4 v3 = vertices[faces[i].v[2]];
s32 x1 = (s32)v1.x;
s32 y1 = (s32)v1.y;
s32 x2 = (s32)v2.x;
s32 y2 = (s32)v2.y;
s32 x3 = (s32)v3.x;
s32 y3 = (s32)v3.y;
swr_line(x1, y1, x2, y2, model_col, target_tex);
swr_line(x2, y2, x3, y3, model_col, target_tex);
swr_line(x3, y3, x1, y1, model_col, target_tex);
}
}
}
static ALCboolean pulse_reset_playback(ALCdevice *device)
{
pulse_data *data = device->ExtraData;
pa_stream_flags_t flags = 0;
pa_channel_map chanmap;
pa_threaded_mainloop_lock(data->loop);
if(data->stream)
{
#if PA_CHECK_VERSION(0,9,15)
if(pa_stream_set_buffer_attr_callback)
pa_stream_set_buffer_attr_callback(data->stream, NULL, NULL);
#endif
pa_stream_disconnect(data->stream);
pa_stream_unref(data->stream);
data->stream = NULL;
}
if(!(device->Flags&DEVICE_CHANNELS_REQUEST))
{
pa_operation *o;
o = pa_context_get_sink_info_by_name(data->context, data->device_name, sink_info_callback, device);
WAIT_FOR_OPERATION(o, data->loop);
}
if(!(device->Flags&DEVICE_FREQUENCY_REQUEST))
flags |= PA_STREAM_FIX_RATE;
flags |= PA_STREAM_INTERPOLATE_TIMING | PA_STREAM_AUTO_TIMING_UPDATE;
flags |= PA_STREAM_ADJUST_LATENCY;
flags |= PA_STREAM_START_CORKED;
flags |= PA_STREAM_DONT_MOVE;
switch(device->FmtType)
{
case DevFmtByte:
device->FmtType = DevFmtUByte;
/* fall-through */
case DevFmtUByte:
data->spec.format = PA_SAMPLE_U8;
break;
case DevFmtUShort:
device->FmtType = DevFmtShort;
/* fall-through */
case DevFmtShort:
data->spec.format = PA_SAMPLE_S16NE;
break;
case DevFmtUInt:
device->FmtType = DevFmtInt;
/* fall-through */
case DevFmtInt:
data->spec.format = PA_SAMPLE_S32NE;
break;
case DevFmtFloat:
data->spec.format = PA_SAMPLE_FLOAT32NE;
break;
}
data->spec.rate = device->Frequency;
data->spec.channels = ChannelsFromDevFmt(device->FmtChans);
if(pa_sample_spec_valid(&data->spec) == 0)
{
ERR("Invalid sample format\n");
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
if(!pa_channel_map_init_auto(&chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX))
{
ERR("Couldn't build map for channel count (%d)!\n", data->spec.channels);
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
SetDefaultWFXChannelOrder(device);
data->attr.fragsize = -1;
data->attr.prebuf = 0;
data->attr.minreq = device->UpdateSize * pa_frame_size(&data->spec);
data->attr.tlength = data->attr.minreq * maxu(device->NumUpdates, 2);
data->attr.maxlength = -1;
data->stream = connect_playback_stream(data->device_name, data->loop,
data->context, flags, &data->attr,
&data->spec, &chanmap);
if(!data->stream)
{
pa_threaded_mainloop_unlock(data->loop);
return ALC_FALSE;
}
pa_stream_set_state_callback(data->stream, stream_state_callback2, device);
data->spec = *(pa_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.minreq = (ALuint64)device->UpdateSize * data->spec.rate /
device->Frequency * pa_frame_size(&data->spec);
data->attr.tlength = data->attr.minreq * maxu(device->NumUpdates, 2);
data->attr.prebuf = 0;
o = pa_stream_set_buffer_attr(data->stream, &data->attr,
stream_success_callback, device);
WAIT_FOR_OPERATION(o, data->loop);
device->Frequency = data->spec.rate;
}
#if PA_CHECK_VERSION(0,9,15)
if(pa_stream_set_buffer_attr_callback)
pa_stream_set_buffer_attr_callback(data->stream, stream_buffer_attr_callback, device);
#endif
stream_buffer_attr_callback(data->stream, device);
device->NumUpdates = device->UpdateSize*device->NumUpdates /
(data->attr.minreq/pa_frame_size(&data->spec));
device->NumUpdates = maxu(device->NumUpdates, 2);
device->UpdateSize = data->attr.minreq / pa_frame_size(&data->spec);
pa_threaded_mainloop_unlock(data->loop);
return ALC_TRUE;
}
static ALCenum pulse_open_capture(ALCdevice *device, const ALCchar *device_name)
{
const char *pulse_name = NULL;
pa_stream_flags_t flags = 0;
pa_channel_map chanmap;
pulse_data *data;
pa_operation *o;
ALuint samples;
if(device_name)
{
ALuint i;
if(!allCaptureDevNameMap)
probe_devices(AL_TRUE);
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_INVALID_VALUE;
}
if(pulse_open(device) == ALC_FALSE)
return ALC_INVALID_VALUE;
data = device->ExtraData;
pa_threaded_mainloop_lock(data->loop);
data->spec.rate = device->Frequency;
data->spec.channels = ChannelsFromDevFmt(device->FmtChans);
switch(device->FmtType)
{
case DevFmtUByte:
data->spec.format = PA_SAMPLE_U8;
break;
case DevFmtShort:
data->spec.format = PA_SAMPLE_S16NE;
break;
case DevFmtInt:
data->spec.format = PA_SAMPLE_S32NE;
break;
case DevFmtFloat:
data->spec.format = PA_SAMPLE_FLOAT32NE;
break;
case DevFmtByte:
case DevFmtUShort:
case DevFmtUInt:
ERR("%s capture samples not supported\n", DevFmtTypeString(device->FmtType));
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
if(pa_sample_spec_valid(&data->spec) == 0)
{
ERR("Invalid sample format\n");
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
if(!pa_channel_map_init_auto(&chanmap, data->spec.channels, PA_CHANNEL_MAP_WAVEEX))
{
ERR("Couldn't build map for channel count (%d)!\n", data->spec.channels);
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
samples = device->UpdateSize * device->NumUpdates;
samples = maxu(samples, 100 * device->Frequency / 1000);
data->attr.minreq = -1;
data->attr.prebuf = -1;
data->attr.maxlength = samples * pa_frame_size(&data->spec);
data->attr.tlength = -1;
data->attr.fragsize = minu(samples, 50*device->Frequency/1000) *
pa_frame_size(&data->spec);
flags |= PA_STREAM_DONT_MOVE;
flags |= PA_STREAM_START_CORKED|PA_STREAM_ADJUST_LATENCY;
data->stream = connect_record_stream(pulse_name, data->loop, data->context,
flags, &data->attr, &data->spec,
&chanmap);
if(!data->stream)
{
pa_threaded_mainloop_unlock(data->loop);
goto fail;
}
pa_stream_set_state_callback(data->stream, stream_state_callback2, device);
data->device_name = strdup(pa_stream_get_device_name(data->stream));
o = pa_context_get_source_info_by_name(data->context, data->device_name,
source_name_callback, device);
WAIT_FOR_OPERATION(o, data->loop);
pa_threaded_mainloop_unlock(data->loop);
return ALC_NO_ERROR;
fail:
pulse_close(device);
return ALC_INVALID_VALUE;
}
static ALCboolean ALCopenslPlayback_reset(ALCopenslPlayback *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend,self)->mDevice;
SLDataLocator_AndroidSimpleBufferQueue loc_bufq;
SLDataLocator_OutputMix loc_outmix;
SLDataSource audioSrc;
SLDataSink audioSnk;
ALuint sampleRate;
SLInterfaceID ids[2];
SLboolean reqs[2];
SLresult result;
JNIEnv *env;
if(self->mBufferQueueObj != NULL)
VCALL0(self->mBufferQueueObj,Destroy)();
self->mBufferQueueObj = NULL;
sampleRate = device->Frequency;
if(!(device->Flags&DEVICE_FREQUENCY_REQUEST) && (env=Android_GetJNIEnv()) != NULL)
{
/* FIXME: Disabled until I figure out how to get the Context needed for
* the getSystemService call.
*/
#if 0
/* Get necessary stuff for using java.lang.Integer,
* android.content.Context, and android.media.AudioManager.
*/
jclass int_cls = JCALL(env,FindClass)("java/lang/Integer");
jmethodID int_parseint = JCALL(env,GetStaticMethodID)(int_cls,
"parseInt", "(Ljava/lang/String;)I"
);
TRACE("Integer: %p, parseInt: %p\n", int_cls, int_parseint);
jclass ctx_cls = JCALL(env,FindClass)("android/content/Context");
jfieldID ctx_audsvc = JCALL(env,GetStaticFieldID)(ctx_cls,
"AUDIO_SERVICE", "Ljava/lang/String;"
);
jmethodID ctx_getSysSvc = JCALL(env,GetMethodID)(ctx_cls,
"getSystemService", "(Ljava/lang/String;)Ljava/lang/Object;"
);
TRACE("Context: %p, AUDIO_SERVICE: %p, getSystemService: %p\n",
ctx_cls, ctx_audsvc, ctx_getSysSvc);
jclass audmgr_cls = JCALL(env,FindClass)("android/media/AudioManager");
jfieldID audmgr_prop_out_srate = JCALL(env,GetStaticFieldID)(audmgr_cls,
"PROPERTY_OUTPUT_SAMPLE_RATE", "Ljava/lang/String;"
);
jmethodID audmgr_getproperty = JCALL(env,GetMethodID)(audmgr_cls,
"getProperty", "(Ljava/lang/String;)Ljava/lang/String;"
);
TRACE("AudioManager: %p, PROPERTY_OUTPUT_SAMPLE_RATE: %p, getProperty: %p\n",
audmgr_cls, audmgr_prop_out_srate, audmgr_getproperty);
const char *strchars;
jstring strobj;
/* Now make the calls. */
//AudioManager audMgr = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
strobj = JCALL(env,GetStaticObjectField)(ctx_cls, ctx_audsvc);
jobject audMgr = JCALL(env,CallObjectMethod)(ctx_cls, ctx_getSysSvc, strobj);
strchars = JCALL(env,GetStringUTFChars)(strobj, NULL);
TRACE("Context.getSystemService(%s) = %p\n", strchars, audMgr);
JCALL(env,ReleaseStringUTFChars)(strobj, strchars);
//String srateStr = audMgr.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE);
strobj = JCALL(env,GetStaticObjectField)(audmgr_cls, audmgr_prop_out_srate);
jstring srateStr = JCALL(env,CallObjectMethod)(audMgr, audmgr_getproperty, strobj);
strchars = JCALL(env,GetStringUTFChars)(strobj, NULL);
TRACE("audMgr.getProperty(%s) = %p\n", strchars, srateStr);
JCALL(env,ReleaseStringUTFChars)(strobj, strchars);
//int sampleRate = Integer.parseInt(srateStr);
sampleRate = JCALL(env,CallStaticIntMethod)(int_cls, int_parseint, srateStr);
strchars = JCALL(env,GetStringUTFChars)(srateStr, NULL);
TRACE("Got system sample rate %uhz (%s)\n", sampleRate, strchars);
JCALL(env,ReleaseStringUTFChars)(srateStr, strchars);
if(!sampleRate) sampleRate = device->Frequency;
else sampleRate = maxu(sampleRate, MIN_OUTPUT_RATE);
#endif
}
if(sampleRate != device->Frequency)
{
device->NumUpdates = (device->NumUpdates*sampleRate + (device->Frequency>>1)) /
device->Frequency;
device->NumUpdates = maxu(device->NumUpdates, 2);
device->Frequency = sampleRate;
}
void MixDirect_Hrtf(const DirectParams *params, const ALfloat *restrict data, ALuint srcchan,
ALuint OutPos, ALuint SamplesToDo, ALuint BufferSize)
{
ALfloat (*restrict DryBuffer)[BUFFERSIZE] = params->OutBuffer;
ALfloat *restrict ClickRemoval = params->ClickRemoval;
ALfloat *restrict PendingClicks = params->PendingClicks;
const ALuint IrSize = params->Hrtf.Params.IrSize;
const ALint *restrict DelayStep = params->Hrtf.Params.DelayStep;
const ALfloat (*restrict CoeffStep)[2] = params->Hrtf.Params.CoeffStep;
const ALfloat (*restrict TargetCoeffs)[2] = params->Hrtf.Params.Coeffs[srcchan];
const ALuint *restrict TargetDelay = params->Hrtf.Params.Delay[srcchan];
ALfloat *restrict History = params->Hrtf.State->History[srcchan];
ALfloat (*restrict Values)[2] = params->Hrtf.State->Values[srcchan];
ALint Counter = maxu(params->Hrtf.State->Counter, OutPos) - OutPos;
ALuint Offset = params->Hrtf.State->Offset + OutPos;
ALIGN(16) ALfloat Coeffs[HRIR_LENGTH][2];
ALuint Delay[2];
ALfloat left, right;
ALuint pos;
ALuint c;
pos = 0;
for(c = 0;c < IrSize;c++)
{
Coeffs[c][0] = TargetCoeffs[c][0] - (CoeffStep[c][0]*Counter);
Coeffs[c][1] = TargetCoeffs[c][1] - (CoeffStep[c][1]*Counter);
}
Delay[0] = TargetDelay[0] - (DelayStep[0]*Counter);
static ALCenum alsa_open_capture(ALCdevice *pDevice, const ALCchar *deviceName)
{
const char *driver = "default";
snd_pcm_hw_params_t *p;
snd_pcm_uframes_t bufferSizeInFrames;
snd_pcm_uframes_t periodSizeInFrames;
snd_pcm_format_t format;
ALuint frameSize;
alsa_data *data;
char str[128];
char *err;
int i;
ConfigValueStr("alsa", "capture", &driver);
if(!allCaptureDevNameMap)
allCaptureDevNameMap = probe_devices(SND_PCM_STREAM_CAPTURE, &numCaptureDevNames);
if(!deviceName)
deviceName = allCaptureDevNameMap[0].name;
else
{
size_t idx;
for(idx = 0;idx < numCaptureDevNames;idx++)
{
if(allCaptureDevNameMap[idx].name &&
strcmp(deviceName, allCaptureDevNameMap[idx].name) == 0)
{
if(idx > 0)
{
snprintf(str, sizeof(str), "%sCARD=%s,DEV=%d", capture_prefix,
allCaptureDevNameMap[idx].card, allCaptureDevNameMap[idx].dev);
driver = str;
}
break;
}
}
if(idx == numCaptureDevNames)
return ALC_INVALID_VALUE;
}
data = (alsa_data*)calloc(1, sizeof(alsa_data));
i = snd_pcm_open(&data->pcmHandle, driver, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK);
if(i < 0)
{
ERR("Could not open capture device '%s': %s\n", driver, snd_strerror(i));
free(data);
return ALC_INVALID_VALUE;
}
format = -1;
switch(pDevice->FmtType)
{
case DevFmtByte:
format = SND_PCM_FORMAT_S8;
break;
case DevFmtUByte:
format = SND_PCM_FORMAT_U8;
break;
case DevFmtShort:
format = SND_PCM_FORMAT_S16;
break;
case DevFmtUShort:
format = SND_PCM_FORMAT_U16;
break;
case DevFmtFloat:
format = SND_PCM_FORMAT_FLOAT;
break;
}
err = NULL;
bufferSizeInFrames = maxu(pDevice->UpdateSize*pDevice->NumUpdates,
100*pDevice->Frequency/1000);
periodSizeInFrames = minu(bufferSizeInFrames, 50*pDevice->Frequency/1000);
snd_pcm_hw_params_malloc(&p);
if((i=snd_pcm_hw_params_any(data->pcmHandle, p)) < 0)
err = "any";
/* set interleaved access */
if(i >= 0 && (i=snd_pcm_hw_params_set_access(data->pcmHandle, p, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0)
err = "set access";
/* set format (implicitly sets sample bits) */
if(i >= 0 && (i=snd_pcm_hw_params_set_format(data->pcmHandle, p, format)) < 0)
err = "set format";
/* set channels (implicitly sets frame bits) */
if(i >= 0 && (i=snd_pcm_hw_params_set_channels(data->pcmHandle, p, ChannelsFromDevFmt(pDevice->FmtChans))) < 0)
err = "set channels";
/* set rate (implicitly constrains period/buffer parameters) */
if(i >= 0 && (i=snd_pcm_hw_params_set_rate(data->pcmHandle, p, pDevice->Frequency, 0)) < 0)
err = "set rate near";
/* set buffer size in frame units (implicitly sets period size/bytes/time and buffer time/bytes) */
if(i >= 0 && (i=snd_pcm_hw_params_set_buffer_size_near(data->pcmHandle, p, &bufferSizeInFrames)) < 0)
err = "set buffer size near";
/* set buffer size in frame units (implicitly sets period size/bytes/time and buffer time/bytes) */
if(i >= 0 && (i=snd_pcm_hw_params_set_period_size_near(data->pcmHandle, p, &periodSizeInFrames, NULL)) < 0)
err = "set period size near";
/* install and prepare hardware configuration */
if(i >= 0 && (i=snd_pcm_hw_params(data->pcmHandle, p)) < 0)
err = "set params";
if(i < 0)
{
ERR("%s failed: %s\n", err, snd_strerror(i));
snd_pcm_hw_params_free(p);
goto error;
}
if((i=snd_pcm_hw_params_get_period_size(p, &bufferSizeInFrames, NULL)) < 0)
{
ERR("get size failed: %s\n", snd_strerror(i));
snd_pcm_hw_params_free(p);
goto error;
}
snd_pcm_hw_params_free(p);
frameSize = FrameSizeFromDevFmt(pDevice->FmtChans, pDevice->FmtType);
data->ring = CreateRingBuffer(frameSize, pDevice->UpdateSize*pDevice->NumUpdates);
if(!data->ring)
{
ERR("ring buffer create failed\n");
goto error;
}
data->size = snd_pcm_frames_to_bytes(data->pcmHandle, bufferSizeInFrames);
data->buffer = malloc(data->size);
if(!data->buffer)
{
ERR("buffer malloc failed\n");
goto error;
}
pDevice->szDeviceName = strdup(deviceName);
pDevice->ExtraData = data;
return ALC_NO_ERROR;
error:
free(data->buffer);
DestroyRingBuffer(data->ring);
snd_pcm_close(data->pcmHandle);
free(data);
pDevice->ExtraData = NULL;
return ALC_INVALID_VALUE;
}
