void Systems::SoundSystem::OnComponentCreated(std::string type, std::shared_ptr<Component> component)
{
if(type == "SoundEmitter") {
ALuint source = CreateSource();
m_Sources[component.get()] = source;
}
}
void CSound::Play()
{
if ( m_iSource == 0 )
CreateSource();
ALenum state;
alGetSourcei(m_iSource, AL_SOURCE_STATE, &state);
if ( !(state == AL_PLAYING) )
alSourcePlay( m_iSource );
}
iAudioSource* clAudioSubSystem_OpenAL::CreateSourceFromFile( const LString& FileName ) const
{
iAudioSource* Source = CreateSource();
#if L_AUDIO_USE_OPENAL
Source->BindWaveform( Env->Resources->LoadWaveform( FileName ) );
#endif
return Source;
}
void CreateDefaultNotify() {
if (alIsSource(DefaultNotify.source)) {
return;
}
DefaultNotify.source = CreateSource();
DefaultNotify.buffer = CreateBuffer();
alBufferData(DefaultNotify.buffer, DefaultNotify.alFormat, DefaultNotify.data.constData(), DefaultNotify.data.size(), DefaultNotify.sampleRate);
alSourcei(DefaultNotify.source, AL_BUFFER, DefaultNotify.buffer);
}
HRESULT CTedMediaFileRenderer::CreatePartialTopology(IMFTopology** ppPartialTopology)
{
HRESULT hr;
IMFTopology* pPartialTopology;
CComPtr<IMFMediaSource> spSource;
IFC( MFCreateTopology(&pPartialTopology) );
IFC( CreateSource(&spSource) );
IFC( BuildTopologyFromSource(pPartialTopology, spSource) );
*ppPartialTopology = pPartialTopology;
Cleanup:
return hr;
}
/*! Call this to unload a sound object from memory
*
* @param szFile The file to unload
* @returns ICRESULT Success/failure of unloading the resource
**/
ICRESULT icSoundDeviceAL::LoadSource(const char* szFile)
{
icSoundBuffer pBuf;
if (ICEFAIL(CreateSource(szFile, pBuf)))
return IC_FAIL_GEN;
ALenum err = AL_NO_ERROR;
err = alGetError();
ALenum al_format;
switch (pBuf.format)
{
case ICSND_FMT_WAV_MONO16: al_format = AL_FORMAT_MONO16; break;
case ICSND_FMT_WAV_STEREO16: al_format = AL_FORMAT_STEREO16; break;
case ICSND_FMT_WAV_MONO8: al_format = AL_FORMAT_MONO8; break;
case ICSND_FMT_WAV_STEREO8: al_format = AL_FORMAT_STEREO8; break;
default: return IC_FAIL_GEN;
}
ALsizei al_freq = (ALsizei)pBuf.freq;
ALsizei al_size = (ALsizei)pBuf.size;
//put the data into an openAL buffer
alBufferData(pBuf.buffID, al_format, pBuf.data, al_size, al_freq);
err = alGetError();
if (err != AL_NO_ERROR)
return IC_FAIL_GEN;
return IC_OK;
}// END FUNCTION LoadSource(const char* szFile)
void SoundChannel::QueueBuffers()
{
// See that we do have waiting sounds and they're ready to play
if (!pending_sounds_.size())
return;
if ((*pending_sounds_.begin())->GetHandle() == 0)
return;
// Create source now if did not exist already
if (!CreateSource())
{
state_ = Foundation::SoundServiceInterface::Stopped;
pending_sounds_.clear();
return;
}
bool queued = false;
// Buffer pending sounds, move them to playing vector
while (pending_sounds_.size())
{
SoundPtr sound = *pending_sounds_.begin();
ALuint buffer = sound->GetHandle();
// If no valid handle yet, cannot play this one, break out
if (!buffer)
return;
alGetError();
alSourceQueueBuffers(handle_, 1, &buffer);
ALenum error = alGetError();
if (error != AL_NONE)
{
// If queuing fails, we may have changed sound format. Stop, flush queue & retry
alSourceStop(handle_);
alSourcei(handle_, AL_BUFFER, 0);
alSourceQueueBuffers(handle_, 1, &buffer);
ALenum error = alGetError();
if (error != AL_NONE)
OpenALAudioModule::LogError("Could not queue OpenAL sound buffer: " + ToString<int>(error));
else
{
playing_sounds_.push_back(sound);
queued = true;
}
}
else
{
playing_sounds_.push_back(sound);
queued = true;
}
pending_sounds_.pop_front();
}
// If at least one sound queued, start playback if not already playing
if (queued)
{
ALint playing;
alGetSourcei(handle_, AL_SOURCE_STATE, &playing);
if (playing != AL_PLAYING)
alSourcePlay(handle_);
state_ = Foundation::SoundServiceInterface::Playing;
}
}
/**
* @brief Initialize a module for reading fixed file
*
* Process flow
* -# Acquire a list of valid column numbers
* -# Compute a record length
* -# Allocate ((record length) * READ_LINE_NUM + 1) bytes for record buffer
* @param rd [in] Control information
* @return void
* @note Return to caller by ereport() if the number of fields in the table
* definition is not correspond to the number of fields in input file.
* @note Caller must release the resource by calling BinaryParserTerm() after calling this
* function.
*/
static void
BinaryParserInit(BinaryParser *self, Checker *checker, const char *infile, TupleDesc desc, bool multi_process, Oid collation)
{
int i;
size_t maxlen;
TupleCheckStatus status;
/*
* set default values
*/
self->need_offset = self->offset = self->offset > 0 ? self->offset : 0;
/*
* checking necessary setting items for fixed length file
*/
if (self->nfield == 0)
ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("no COL specified")));
self->source = CreateSource(infile, desc, multi_process);
status = FilterInit(&self->filter, desc, collation);
if (checker->tchecker)
checker->tchecker->status = status;
TupleFormerInit(&self->former, &self->filter, desc);
/*
* Error if the number of input data fields is out of range to the number of
* fields
*/
if (self->former.minfields > self->nfield ||
self->former.maxfields < self->nfield)
ereport(ERROR, (errcode(ERRCODE_DATA_EXCEPTION),
errmsg("invalid field count (%d)", self->nfield)));
/* set function default value */
for (i = self->nfield; i < self->former.maxfields; i++)
{
int index;
index = i - self->former.minfields;
self->former.isnull[i] = self->filter.defaultIsnull[index];
self->former.values[i] = self->filter.defaultValues[index];
}
/*
* Acquire record buffer as much as input file record length
*/
maxlen = 0;
for (i = 0; i < self->nfield; i++)
{
int len = self->fields[i].offset + self->fields[i].len;
maxlen = Max(maxlen, len);
}
if (self->rec_len <= 0)
self->rec_len = maxlen;
else if (self->rec_len < maxlen)
ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("STRIDE should be %ld or greater (%ld given)",
(long) maxlen, (long) self->rec_len)));
self->buffer = palloc(self->rec_len * READ_LINE_NUM + 1);
}
void SoundChannel::QueueBuffers()
{
// See that we do have waiting sounds and they're ready to play
AudioAssetPtr pending = pending_sounds_.size() > 0 ? pending_sounds_.front() : AudioAssetPtr();
if (!pending)
return;
// Create source now if did not exist already
if (!CreateSource())
{
state_ = Stopped;
pending_sounds_.clear();
return;
}
bool queued = false;
// Buffer pending sounds, move them to playing vector
while(pending_sounds_.size() > 0)
{
AudioAssetPtr sound = pending_sounds_.front();
if (!sound)
{
pending_sounds_.pop_front();
continue;
}
ALuint buffer = sound->GetHandle();
// If no valid handle yet, cannot play this one, break out
if (!buffer)
return;
alGetError();
alSourceQueueBuffers(handle_, 1, &buffer);
ALenum error = alGetError();
if (error != AL_NONE)
{
// If queuing fails, we may have changed sound format. Stop, flush queue & retry
alSourceStop(handle_);
alSourcei(handle_, AL_BUFFER, 0);
alSourceQueueBuffers(handle_, 1, &buffer);
ALenum error = alGetError();
if (error != AL_NONE)
LogError("Could not queue OpenAL sound buffer: " + QString::number(error));
else
{
playing_sounds_.push_back(sound);
queued = true;
}
}
else
{
playing_sounds_.push_back(sound);
queued = true;
}
pending_sounds_.pop_front();
}
// If at least one sound queued, start playback if not already playing
if (queued)
{
ALint playing;
alGetSourcei(handle_, AL_SOURCE_STATE, &playing);
if (playing != AL_PLAYING)
alSourcePlay(handle_);
state_ = Playing;
}
}