bool Font::GenerateEmptyGlyph()
{
unsigned int key = 0;
GlyphBitmap glyphBitmap;
glyphBitmap.bitmap = new Bitmap();
glyphBitmap.bitmap->Generate(Bitmap::FORMAT_RGBA, 6, 8, 0x00000000);
unsigned int channelCount = GetChannelCount(Bitmap::FORMAT_RGBA);
byte *glyphImageData = glyphBitmap.bitmap->GetData();
unsigned int w = glyphBitmap.bitmap->GetWidth();
unsigned int h = glyphBitmap.bitmap->GetHeight();
blankX = w;
blankY = h;
for(unsigned int i = 0; i < w; i++)
{
glyphImageData[i * channelCount + channelCount - 1] = 255;
glyphImageData[(h - 1) * w * channelCount + i * channelCount + channelCount - 1] = 255;
}
for(unsigned int j = 0; j < h; j++)
{
glyphImageData[j * w * channelCount + channelCount - 1] = 255;
glyphImageData[j * w * channelCount + (w - 1) * channelCount + channelCount - 1] = 255;
}
glyphBitmap.offsetDown = 0;
glyphBitmap.key = key;
glyphsBitmapList.push_back(glyphBitmap);
return true;
}
void CSoundMgr::CleanUp (void)
// CleanUp
//
// Clean up sound manager
{
int i;
if (m_pDS)
{
// Stop and delete all buffers
for (i = 0; i < GetChannelCount(); i++)
CleanUpChannel(m_Channels[i]);
m_Channels.DeleteAll();
// Kill the DirectSound object
m_pDS->Release();
m_pDS = NULL;
}
if (m_hMusic)
{
::DestroyWindow(m_hMusic);
m_hMusic = NULL;
}
}
void AVFAudioEqualizer::ResetBandParameters() {
// Update channel counts, recalculate params if necessary
// bands are automatically sorted by the map from low to high
for (AVFEQBandIterator iter = mEQBands.begin(); iter != mEQBands.end();) {
if (!iter->second) {
// NULL pointer protection, just remove the offending band
mEQBands.erase(iter++);
if (!mEQBands.empty() && (iter == mEQBands.end())) {
// re-process the last valid band, otherwise it won't be set to
// HighShelf filter type
--iter;
} else {
continue;
}
}
AVFEqualizerBand *band = iter->second;
// middle bands are peak/notch filters
AVFEqualizerBand::AVFEqualizerFilterType type = AVFEqualizerBand::Peak;
if (iter == mEQBands.begin()) {
type = AVFEqualizerBand::LowShelf;
} else if (iter == --(mEQBands.end())) {
type = AVFEqualizerBand::HighShelf;
}
band->SetFilterType(type);
band->SetChannelCount(GetChannelCount());
band->RecalculateParams();
iter++; // here due to NULL ptr protection, otherwise we double increment
}
}
void MMDeviceAudioSource::ReleaseBuffer()
{
UINT sampleSizeFloats = sampleWindowSize*GetChannelCount();
if (inputBufferSize > sampleSizeFloats)
mcpy(inputBuffer.Array(), inputBuffer.Array()+sampleSizeFloats, (inputBufferSize-sampleSizeFloats)*sizeof(float));
inputBufferSize -= sampleSizeFloats;
}
/*----------------------------------------------------------------------
| AP4_AudioSampleEntry::ToSampleDescription
+---------------------------------------------------------------------*/
AP4_SampleDescription*
AP4_AudioSampleEntry::ToSampleDescription()
{
// create a sample description
return new AP4_GenericAudioSampleDescription(
m_Type,
GetSampleRate(),
GetSampleSize(),
GetChannelCount(),
this);
}
/*----------------------------------------------------------------------
| AP4_AudioSampleEntry::InspectFields
+---------------------------------------------------------------------*/
AP4_Result
AP4_AudioSampleEntry::InspectFields(AP4_AtomInspector& inspector)
{
// dump the fields from the base class
AP4_SampleEntry::InspectFields(inspector);
// fields
inspector.AddField("channel_count", GetChannelCount());
inspector.AddField("sample_size", GetSampleSize());
inspector.AddField("sample_rate", GetSampleRate());
if (m_QtVersion) {
inspector.AddField("qt_version", m_QtVersion);
}
return AP4_SUCCESS;
}
/*----------------------------------------------------------------------
| AP4_MpegAudioSampleEntry::ToSampleDescription
+---------------------------------------------------------------------*/
AP4_SampleDescription*
AP4_MpegAudioSampleEntry::ToSampleDescription()
{
// find the esds atom
AP4_EsdsAtom* esds = AP4_DYNAMIC_CAST(AP4_EsdsAtom, GetChild(AP4_ATOM_TYPE_ESDS));
if (esds == NULL) {
// check if this is a quicktime style sample description
if (m_QtVersion > 0) {
esds = AP4_DYNAMIC_CAST(AP4_EsdsAtom, FindChild("wave/esds"));
}
}
// create a sample description
return new AP4_MpegAudioSampleDescription(GetSampleRate(),
GetSampleSize(),
GetChannelCount(),
esds);
}
/*++
Routine Name:
CColorChannelData::GetChannelCountNoAlpha
Routine Description:
Retrieves the number of channels less the alpha channel if present
Arguments:
pcChannels - Pointer to a variable that recieves the count of non-alpha channels
Return Value:
HRESULT
S_OK - On success
E_* - On error
--*/
HRESULT
CColorChannelData::GetChannelCountNoAlpha(
_Out_ DWORD* pcChannels
)
{
HRESULT hr = S_OK;
if (SUCCEEDED(hr = GetChannelCount(pcChannels)))
{
if (HasAlpha())
{
(*pcChannels)--;
}
}
ERR_ON_HR(hr);
return hr;
}
bool Font::GenerateGlyph( unsigned int glyphNumber, GlyphBitmap &glyphBitmap)
{
if(FT_Load_Glyph( face, FT_Get_Char_Index( face, glyphNumber ), FT_LOAD_DEFAULT ))
{
return false;
}
FT_Glyph glyph;
if(FT_Get_Glyph( face->glyph, &glyph ))
{
return false;
}
FT_Glyph_To_Bitmap( &glyph, ft_render_mode_normal, 0, 1 );
FT_BitmapGlyph bitmap_glyph = (FT_BitmapGlyph)glyph;
FT_Bitmap &bitmap=bitmap_glyph->bitmap;
glyphBitmap.bitmap->Generate(Bitmap::FORMAT_RGBA, bitmap.width, bitmap.rows, 0x00000000);
unsigned int channelCount = GetChannelCount(Bitmap::FORMAT_RGBA);
byte *glyphImageData = glyphBitmap.bitmap->GetData();
for(int j = 0; j < bitmap.rows; j++)
{
for(int i=0; i < bitmap.width; i++)
{
glyphImageData[( bitmap.width * j + i ) * channelCount + channelCount - 1]
= bitmap.buffer[bitmap.width * ( bitmap.rows - j - 1) + i];
}
}
glyphBitmap.offsetDown = bitmap_glyph->top - bitmap.rows;
glyphBitmap.bitmap->BlackToWhite();
return true;
}
void CSoundMgr::CleanUp (void)
// CleanUp
//
// Clean up sound manager
{
if (m_pDS)
{
// Stop and delete all buffers
for (int i = 0; i < GetChannelCount(); i++)
{
SChannel *pChannel = GetChannel(i);
while (pChannel)
{
pChannel->pBuffer->Stop();
pChannel->pBuffer->Release();
SChannel *pDelete = pChannel;
pChannel = pChannel->pNext;
delete pDelete;
}
}
m_Channels.RemoveAll();
// Kill the DirectSound object
m_pDS->Release();
m_pDS = NULL;
}
if (m_hMusic)
::DestroyWindow(m_hMusic);
}
bool MMDeviceAudioSource::GetNextBuffer(void **buffer, UINT *numFrames, QWORD *timestamp)
{
UINT captureSize = 0;
bool bFirstRun = true;
HRESULT hRes;
UINT64 devPosition, qpcTimestamp;
LPBYTE captureBuffer;
UINT32 numFramesRead;
DWORD dwFlags = 0;
while (true) {
if (inputBufferSize >= sampleWindowSize*GetChannelCount()) {
if (bFirstRun) {
lastQPCTimestamp += 10;
} else if (bIsMic && !bUseQPC) {
captureSize = 0;
mmCapture->GetNextPacketSize(&captureSize);
//throws away worthless mic data that's sampling faster than the desktop buffer.
//disgusting fix for stupid worthless mic issues.
if (captureSize > 0) {
++numTimesInARowNewDataSeen;
if (numTimesInARowNewDataSeen > angerThreshold) {
if (SUCCEEDED(mmCapture->GetBuffer(&captureBuffer, &numFramesRead, &dwFlags, &devPosition, &qpcTimestamp))) {
mmCapture->ReleaseBuffer(numFramesRead);
numTimesInARowNewDataSeen = 0;
}
}
} else {
numTimesInARowNewDataSeen = 0;
}
}
firstTimestamp = GetTimestamp(lastQPCTimestamp);
break;
}
//---------------------------------------------------------
hRes = mmCapture->GetNextPacketSize(&captureSize);
if (FAILED(hRes)) {
RUNONCE AppWarning(TEXT("MMDeviceAudioSource::GetBuffer: GetNextPacketSize failed, result = %08lX"), hRes);
return false;
}
if (!captureSize)
return false;
//---------------------------------------------------------
hRes = mmCapture->GetBuffer(&captureBuffer, &numFramesRead, &dwFlags, &devPosition, &qpcTimestamp);
if (FAILED(hRes)) {
RUNONCE AppWarning(TEXT("MMDeviceAudioSource::GetBuffer: GetBuffer failed, result = %08lX"), hRes);
return false;
}
UINT totalFloatsRead = numFramesRead*GetChannelCount();
if (bConvert) {
if (convertBuffer.Num() < totalFloatsRead)
convertBuffer.SetSize(totalFloatsRead);
short *shortBuffer = (short*)captureBuffer;
for (UINT i = 0; i < totalFloatsRead; i++)
convertBuffer[i] = float(shortBuffer[i])*(1.0f/32767.0f);
captureBuffer = (LPBYTE)convertBuffer.Array();
}
if (inputBufferSize) {
double timeAdjust = double(inputBufferSize/GetChannelCount());
timeAdjust /= (double(GetSamplesPerSec())*0.0000001);
qpcTimestamp -= UINT64(timeAdjust);
}
qpcTimestamp /= 10000;
lastQPCTimestamp = qpcTimestamp;
//---------------------------------------------------------
UINT newInputBufferSize = inputBufferSize + totalFloatsRead;
if (newInputBufferSize > inputBuffer.Num())
inputBuffer.SetSize(newInputBufferSize);
mcpy(inputBuffer.Array()+inputBufferSize, captureBuffer, totalFloatsRead*sizeof(float));
inputBufferSize = newInputBufferSize;
mmCapture->ReleaseBuffer(numFramesRead);
bFirstRun = false;
}
*numFrames = sampleWindowSize;
*buffer = (void*)inputBuffer.Array();
*timestamp = firstTimestamp;
/*if (bIsMic) {
static QWORD lastTimestamp = 0;
if (firstTimestamp != lastTimestamp+10)
Log(TEXT("A: %llu, difference: %llu"), firstTimestamp, firstTimestamp-lastTimestamp);
lastTimestamp = firstTimestamp;
}*/
return true;
}
bool MMDeviceAudioSource::GetNextBuffer(void **buffer, UINT *numFrames, QWORD *timestamp)
{
UINT captureSize = 0;
bool bFirstRun = true;
HRESULT hRes;
while (true) {
if (inputBufferSize >= sampleWindowSize*GetChannelCount()) {
if (bFirstRun)
lastQPCTimestamp += 10;
firstTimestamp = GetTimestamp(lastQPCTimestamp);
break;
}
//---------------------------------------------------------
hRes = mmCapture->GetNextPacketSize(&captureSize);
if (FAILED(hRes)) {
RUNONCE AppWarning(TEXT("MMDeviceAudioSource::GetBuffer: GetNextPacketSize failed, result = %08lX"), hRes);
return false;
}
if (!captureSize)
return false;
//---------------------------------------------------------
LPBYTE captureBuffer;
UINT32 numFramesRead;
DWORD dwFlags = 0;
UINT64 devPosition, qpcTimestamp;
hRes = mmCapture->GetBuffer(&captureBuffer, &numFramesRead, &dwFlags, &devPosition, &qpcTimestamp);
if (FAILED(hRes)) {
RUNONCE AppWarning(TEXT("MMDeviceAudioSource::GetBuffer: GetBuffer failed, result = %08lX"), hRes);
return false;
}
if (inputBufferSize) {
double timeAdjust = double(inputBufferSize/GetChannelCount());
timeAdjust /= (double(GetSamplesPerSec())*0.0000001);
qpcTimestamp -= UINT64(timeAdjust);
}
/*if (!bIsMic) {
Log(TEXT("f: %u, i: %u, qpc: %llu"), numFramesRead, inputBufferSize != 0, qpcTimestamp);
}*/
qpcTimestamp /= 10000;
lastQPCTimestamp = qpcTimestamp;
//---------------------------------------------------------
UINT totalFloatsRead = numFramesRead*GetChannelCount();
UINT newInputBufferSize = inputBufferSize + totalFloatsRead;
if (newInputBufferSize > inputBuffer.Num())
inputBuffer.SetSize(newInputBufferSize);
SSECopy(inputBuffer.Array()+inputBufferSize, captureBuffer, totalFloatsRead*sizeof(float));
inputBufferSize = newInputBufferSize;
mmCapture->ReleaseBuffer(numFramesRead);
bFirstRun = false;
}
*numFrames = sampleWindowSize;
*buffer = (void*)inputBuffer.Array();
*timestamp = firstTimestamp;
return true;
}
////////////////////////////////////////////////////////////
/// /see SoundStream::OnSeek
///
////////////////////////////////////////////////////////////
virtual void OnSeek(sf::Uint32 timeOffset)
{
myOffset = timeOffset * GetSampleRate() * GetChannelCount() / 1000;
}
bool MMDeviceAudioSource::GetNextBuffer(void **buffer, UINT *numFrames, QWORD *timestamp)
{
UINT captureSize = 0;
bool bFirstRun = true;
HRESULT hRes;
UINT64 devPosition, qpcTimestamp;
LPBYTE captureBuffer;
UINT32 numFramesRead;
DWORD dwFlags = 0;
if (deviceLost) {
QWORD timeVal = GetQPCTimeMS();
QWORD timer = (timeVal - reinitTimer);
if (timer > 1000) {
if (Reinitialize()) {
Log(L"Device '%s' reacquired.", strDeviceName.Array());
StartCapture();
}
reinitTimer = timeVal;
}
return false;
}
while (true) {
if (inputBufferSize >= sampleWindowSize*GetChannelCount()) {
if (bFirstRun)
lastQPCTimestamp += 10;
firstTimestamp = GetTimestamp(lastQPCTimestamp);
break;
}
//---------------------------------------------------------
hRes = mmCapture->GetNextPacketSize(&captureSize);
if (FAILED(hRes)) {
if (hRes == AUDCLNT_E_DEVICE_INVALIDATED) {
FreeData();
deviceLost = true;
Log(L"Audio device '%s' has been lost, attempting to reinitialize", strDeviceName.Array());
reinitTimer = GetQPCTimeMS();
return false;
}
RUNONCE AppWarning(TEXT("MMDeviceAudioSource::GetBuffer: GetNextPacketSize failed, result = %08lX"), hRes);
return false;
}
if (!captureSize)
return false;
//---------------------------------------------------------
hRes = mmCapture->GetBuffer(&captureBuffer, &numFramesRead, &dwFlags, &devPosition, &qpcTimestamp);
if (FAILED(hRes)) {
RUNONCE AppWarning(TEXT("MMDeviceAudioSource::GetBuffer: GetBuffer failed, result = %08lX"), hRes);
return false;
}
UINT totalFloatsRead = numFramesRead*GetChannelCount();
if (inputBufferSize) {
double timeAdjust = double(inputBufferSize/GetChannelCount());
timeAdjust /= (double(GetSamplesPerSec())*0.0000001);
qpcTimestamp -= UINT64(timeAdjust);
}
qpcTimestamp /= 10000;
lastQPCTimestamp = qpcTimestamp;
//---------------------------------------------------------
UINT newInputBufferSize = inputBufferSize + totalFloatsRead;
if (newInputBufferSize > inputBuffer.Num())
inputBuffer.SetSize(newInputBufferSize);
mcpy(inputBuffer.Array()+inputBufferSize, captureBuffer, totalFloatsRead*sizeof(float));
inputBufferSize = newInputBufferSize;
mmCapture->ReleaseBuffer(numFramesRead);
bFirstRun = false;
}
*numFrames = sampleWindowSize;
*buffer = (void*)inputBuffer.Array();
*timestamp = firstTimestamp;
/*if (bIsMic) {
static QWORD lastTimestamp = 0;
if (firstTimestamp != lastTimestamp+10)
Log(TEXT("A: %llu, difference: %llu"), firstTimestamp, firstTimestamp-lastTimestamp);
lastTimestamp = firstTimestamp;
}*/
return true;
}
std::string AUDIOSOURCE::GetChannelString()
{
std::ostringstream sstrResult;
sstrResult << GetChannelCount();
return sstrResult.str();
}
////////////////////////////////////////////////////////////
/// /see SoundStream::OnSeek
///
////////////////////////////////////////////////////////////
virtual void OnSeek(sf::Time timeOffset)
{
myOffset = timeOffset.AsMilliseconds() * GetSampleRate() * GetChannelCount() / 1000;
}
void PORT_GetControls(void* id, INT32 portIndex, PortControlCreator* creator) {
PortMixer *mixer = (PortMixer *)id;
TRACE1(">>PORT_GetControls (portIndex = %d)\n", portIndex);
if (portIndex < 0 || portIndex >= mixer->portCount) {
ERROR1("<<PORT_GetControls: line (portIndex = %d) not found\n", portIndex);
return;
}
PortLine *port = &(mixer->ports[portIndex]);
if (mixer->deviceControlCount < 0) { // not initialized
OSStatus err;
UInt32 size;
// deviceControlCount is overestimated
// because we don't actually filter by if the owned objects are controls
err = GetAudioObjectPropertySize(mixer->deviceID, kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyOwnedObjects, &size);
if (err) {
OS_ERROR1(err, "PORT_GetControls (portIndex = %d) get OwnedObject size", portIndex);
} else {
mixer->deviceControlCount = size / sizeof(AudioObjectID);
TRACE1(" PORT_GetControls: detected %d owned objects\n", mixer->deviceControlCount);
AudioObjectID controlIDs[mixer->deviceControlCount];
err = GetAudioObjectProperty(mixer->deviceID, kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyOwnedObjects, sizeof(controlIDs), controlIDs, 1);
if (err) {
OS_ERROR1(err, "PORT_GetControls (portIndex = %d) get OwnedObject values", portIndex);
} else {
mixer->deviceControls = (AudioControl *)calloc(mixer->deviceControlCount, sizeof(AudioControl));
for (int i = 0; i < mixer->deviceControlCount; i++) {
AudioControl *control = &mixer->deviceControls[i];
control->controlID = controlIDs[i];
OSStatus err1 = GetAudioObjectProperty(control->controlID, kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyClass, sizeof(control->classID), &control->classID, 1);
OSStatus err2 = GetAudioObjectProperty(control->controlID, kAudioObjectPropertyScopeGlobal,
kAudioControlPropertyScope, sizeof(control->scope), &control->scope, 1);
OSStatus err3 = GetAudioObjectProperty(control->controlID, kAudioObjectPropertyScopeGlobal,
kAudioControlPropertyElement, sizeof(control->channel), &control->channel, 1);
if (err1 || err2 || err3) { // not a control or other error
control->classID = 0;
continue;
}
TRACE4("- control 0x%x, class='%s', scope='%s', channel=%d\n",
control->controlID, FourCC2Str(control->classID), FourCC2Str(control->scope), control->channel);
}
}
}
}
if (mixer->deviceControlCount <= 0) {
TRACE1("<<PORT_GetControls (portIndex = %d): no owned AudioControls\n", portIndex);
return;
}
int totalChannels = GetChannelCount(mixer->deviceID, port->scope == kAudioDevicePropertyScopeOutput ? 1 : 0);
// collect volume and mute controls
AudioControl* volumeControls[totalChannels+1]; // 0 - for master channel
memset(&volumeControls, 0, sizeof(AudioControl *) * (totalChannels+1));
AudioControl* muteControls[totalChannels+1]; // 0 - for master channel
memset(&muteControls, 0, sizeof(AudioControl *) * (totalChannels+1));
for (int i=0; i<mixer->deviceControlCount; i++) {
AudioControl *control = &mixer->deviceControls[i];
if (control->classID == 0 || control->scope != port->scope || control->channel > (unsigned)totalChannels) {
continue;
}
if (control->classID == kAudioVolumeControlClassID) {
if (volumeControls[control->channel] == NULL) {
volumeControls[control->channel] = control;
} else {
ERROR4("WARNING: duplicate VOLUME control 0x%x, class='%s', scope='%s', channel=%d\n",
control->controlID, FourCC2Str(control->classID), FourCC2Str(control->scope), control->channel);
}
} else if (control->classID == kAudioMuteControlClassID) {
if (muteControls[control->channel] == NULL) {
muteControls[control->channel] = control;
} else {
ERROR4("WARNING: duplicate MUTE control 0x%x, class='%s', scope='%s', channel=%d\n",
control->controlID, FourCC2Str(control->classID), FourCC2Str(control->scope), control->channel);
}
} else {
#ifdef USE_ERROR
if (control->classID != 0) {
ERROR4("WARNING: unhandled control 0x%x, class='%s', scope='%s', channel=%d\n",
control->controlID, FourCC2Str(control->classID), FourCC2Str(control->scope), control->channel);
}
#endif
}
}
////////////////////////////////////////////////////////
// create java control hierarchy
void *masterVolume = NULL, *masterMute = NULL, *masterBalance = NULL;
// volumeControls[0] and muteControls[0] - master volume/mute
// volumeControls[n] and muteControls[n] (n=1..totalChannels) - corresponding channel controls
if (volumeControls[0] != NULL) { // "master volume" AudioControl
masterVolume = CreatePortControl(mixer, creator, PortControl::Volume, volumeControls, 0, 1);
} else {
if (ValidControlCount(volumeControls, 1, totalChannels) == totalChannels) {
// every channel has volume control => create virtual master volume
masterVolume = CreatePortControl(mixer, creator, PortControl::Volume, volumeControls, 1, totalChannels);
} else {
TRACE2(" PORT_GetControls (master volume): totalChannels = %d, valid volume controls = %d\n",
totalChannels, ValidControlCount(volumeControls, 1, totalChannels));
}
}
if (muteControls[0] != NULL) { // "master mute"
masterMute = CreatePortControl(mixer, creator, PortControl::Mute, muteControls, 0, 1);
} else {
if (ValidControlCount(muteControls, 1, totalChannels) == totalChannels) {
// every channel has mute control => create virtual master mute control
masterMute = CreatePortControl(mixer, creator, PortControl::Mute, muteControls, 1, totalChannels);
} else {
TRACE2(" PORT_GetControls (master mute): totalChannels = %d, valid volume controls = %d\n",
totalChannels, ValidControlCount(muteControls, 1, totalChannels));
}
}
// virtual balance
if (totalChannels == 2) {
if (ValidControlCount(volumeControls, 1, totalChannels) == totalChannels) {
masterBalance = CreatePortControl(mixer, creator, PortControl::Balance, volumeControls, 1, totalChannels);
} else {
TRACE2(" PORT_GetControls (naster balance): totalChannels = %d, valid volume controls = %d\n",
totalChannels, ValidControlCount(volumeControls, 1, totalChannels));
}
}
// add "master" controls
if (masterVolume != NULL) {
creator->addControl(creator, masterVolume);
}
if (masterBalance != NULL) {
creator->addControl(creator, masterBalance);
}
if (masterMute != NULL) {
creator->addControl(creator, masterMute);
}
// don't add per-channel controls for mono & stereo - they are handled by "master" controls
// TODO: this should be reviewed to handle controls other than mute & volume
if (totalChannels > 2) {
// add separate compound control for each channel (containing volume and mute)
// (ensure that we have controls)
if (ValidControlCount(volumeControls, 1, totalChannels) > 0 || ValidControlCount(muteControls, 1, totalChannels) > 0) {
for (int ch=1; ch<=totalChannels; ch++) {
// get the channel name
char *channelName;
CFStringRef cfname = NULL;
const AudioObjectPropertyAddress address = {kAudioObjectPropertyElementName, port->scope, ch};
UInt32 size = sizeof(cfname);
OSStatus err = AudioObjectGetPropertyData(mixer->deviceID, &address, 0, NULL, &size, &cfname);
if (err == noErr) {
CFIndex length = CFStringGetLength(cfname) + 1;
channelName = (char *)malloc(length);
CFStringGetCString(cfname, channelName, length, kCFStringEncodingUTF8);
CFRelease(cfname);
} else {
channelName = (char *)malloc(16);
sprintf(channelName, "Ch %d", ch);
}
void* jControls[2];
int controlCount = 0;
if (volumeControls[ch] != NULL) {
jControls[controlCount++] = CreatePortControl(mixer, creator, PortControl::Volume, volumeControls, ch, 1);
}
if (muteControls[ch] != NULL) {
jControls[controlCount++] = CreatePortControl(mixer, creator, PortControl::Mute, muteControls, ch, 1);
}
// TODO: add any extra controls for "other" controls for the channel
void *compoundControl = creator->newCompoundControl(creator, channelName, jControls, controlCount);
creator->addControl(creator, compoundControl);
free(channelName);
}
}
}
AddChangeListeners(mixer);
TRACE1("<<PORT_GetControls (portIndex = %d)\n", portIndex);
}