bool CCoreAudioUnit::GetSupportedChannelLayouts(AudioChannelLayoutList* pLayouts)
{
if (!m_audioUnit || !pLayouts)
return false;
UInt32 propSize = 0;
Boolean writable = false;
OSStatus ret = AudioUnitGetPropertyInfo(m_audioUnit,
kAudioUnitProperty_SupportedChannelLayoutTags, kAudioUnitScope_Input, 0, &propSize, &writable);
if (ret)
{
CLog::Log(LOGERROR, "CCoreAudioUnit::GetSupportedChannelLayouts: "
"Unable to retrieve supported channel layout property info. Error = %s", GetError(ret).c_str());
return false;
}
UInt32 layoutCount = propSize / sizeof(AudioChannelLayoutTag);
AudioChannelLayoutTag* pSuppLayouts = new AudioChannelLayoutTag[layoutCount];
ret = AudioUnitGetProperty(m_audioUnit,
kAudioUnitProperty_SupportedChannelLayoutTags, kAudioUnitScope_Output, 0, pSuppLayouts, &propSize);
if (ret)
{
CLog::Log(LOGERROR, "CCoreAudioUnit::GetSupportedChannelLayouts: "
"Unable to retrieve supported channel layouts. Error = %s", GetError(ret).c_str());
return false;
}
for (UInt32 layout = 0; layout < layoutCount; layout++)
pLayouts->push_back(pSuppLayouts[layout]);
delete[] pSuppLayouts;
return true;
}
const UInt32 AudioUnitNode::numberOfParameters(UInt32 scope) const
{
UInt32 size;
checkError(AudioUnitGetPropertyInfo(mUnit, kAudioUnitProperty_ParameterList, scope, 0, &size, NULL), "AudioUnitGetPropertyInfo");
UInt32 numOfParams = size / sizeof(AudioUnitParameterID);
return numOfParams;
}
void auLoader::printInfo() const
{
UInt32 size;
void *data;
Boolean write;
ComponentResult err = noErr;
debug(LOG_INFO, "Plugin Properties:");
for(int i = 0; i < sizeof(_AUCODES) / sizeof(UInt32); ++i) {
data = 0;
err = AudioUnitGetPropertyInfo(m_plugin, _AUCODES[i], kAudioUnitScope_Global, 0, &size, &write);
if(size && err == noErr) {
if(write) {
debug(LOG_INFO, " %s: %d bytes (+ writeable)", AUPropertyStr(_AUCODES[i]), size);
}
else {
debug(LOG_INFO, " %s: %d bytes", AUPropertyStr(_AUCODES[i]), size);
}
}
if(data) {
free(data);
}
}
// Get parameter information
AudioUnitParameterInfo auinfo;
UInt32 *plist;
int num_params = 0;
err = AudioUnitGetPropertyInfo(m_plugin, kAudioUnitProperty_ParameterList, kAudioUnitScope_Global, 0, &size, &write);
if(err == noErr && size > 0) {
num_params = size / sizeof(UInt32);
plist = new UInt32[num_params];
err = AudioUnitGetProperty(m_plugin, kAudioUnitProperty_ParameterList, kAudioUnitScope_Global, 0, plist, &size);
}
debug(LOG_INFO, "Parameters (%d total):", num_params);
for(int i = 0; i < num_params; ++i) {
err = AudioUnitGetPropertyInfo(m_plugin, kAudioUnitProperty_ParameterInfo, kAudioUnitScope_Global, plist[i], &size, &write);
if(size == sizeof(AudioUnitParameterInfo) && err == noErr) {
err = AudioUnitGetProperty(m_plugin, kAudioUnitProperty_ParameterInfo, kAudioUnitScope_Global, plist[i], &auinfo, &size);
if(err == noErr) {
debug(LOG_INFO, " %d: %s, type %d, min %f, max %f", plist[i], auinfo.name, auinfo.unit, auinfo.minValue, auinfo.maxValue);
}
}
}
}
bool CAAudioUnit::CanBypass () const
{
Boolean outWritable;
OSStatus result = AudioUnitGetPropertyInfo (AU(), kAudioUnitProperty_BypassEffect,
kAudioUnitScope_Global, 0,
NULL, &outWritable);
return (!result && outWritable);
}
bool CAAudioUnit::HasChannelLayouts (AudioUnitScope inScope,
AudioUnitElement inEl) const
{
OSStatus result = AudioUnitGetPropertyInfo (AU(),
kAudioUnitProperty_SupportedChannelLayoutTags,
inScope, inEl,
NULL, NULL);
return !result;
}
AUEditWindow::AUEditWindow(XController *owner, IBNibRef nibRef, CFStringRef name, AudioUnit editUnit, bool forceGeneric) :
XWindow(owner, nibRef, name),
mEditUnit(editUnit)
{
OSStatus err;
ComponentDescription editorComponentDesc;
// set up to use generic UI component
editorComponentDesc.componentType = kAudioUnitCarbonViewComponentType;
editorComponentDesc.componentSubType = 'gnrc';
editorComponentDesc.componentManufacturer = 'appl';
editorComponentDesc.componentFlags = 0;
editorComponentDesc.componentFlagsMask = 0;
if (!forceGeneric) {
// ask the AU for its first editor component
UInt32 propertySize;
err = AudioUnitGetPropertyInfo(editUnit, kAudioUnitProperty_GetUIComponentList,
kAudioUnitScope_Global, 0, &propertySize, NULL);
if (!err) {
int nEditors = propertySize / sizeof(ComponentDescription);
ComponentDescription *editors = new ComponentDescription[nEditors];
err = AudioUnitGetProperty(editUnit, kAudioUnitProperty_GetUIComponentList,
kAudioUnitScope_Global, 0, editors, &propertySize);
if (!err)
// just pick the first one for now
editorComponentDesc = editors[0];
delete[] editors;
}
}
Component editComp = FindNextComponent(NULL, &editorComponentDesc);
verify_noerr(OpenAComponent(editComp, &mEditView));
ControlRef rootControl;
verify_noerr(GetRootControl(mWindow, &rootControl));
Rect r;
ControlRef viewPane;
GetControlBounds(rootControl, &r);
Float32Point location = { 0., 0. };
Float32Point size = { Float32(r.right), Float32(r.bottom) };
verify_noerr(AudioUnitCarbonViewCreate(mEditView, mEditUnit, mWindow, rootControl, &location, &size, &viewPane));
AudioUnitCarbonViewSetEventListener(mEditView, EventListener, this);
GetControlBounds(viewPane, &r);
size.x = r.right-r.left; size.y = r.bottom-r.top;
SetSize(size);
Show();
/* EventLoopTimerRef timer;
RequireNoErr(
InstallEventLoopTimer(
GetMainEventLoop(), 5., 0., TimerProc, this, &timer));*/
}
int initoutput(){
AudioComponentDescription desc;
AudioComponent comp;
OSStatus err;
UInt32 size;
Boolean canwrite;
AudioStreamBasicDescription inputdesc,outputdesc;
desc.componentType=kAudioUnitType_Output;
desc.componentSubType=kAudioUnitSubType_DefaultOutput;
desc.componentManufacturer=kAudioUnitManufacturer_Apple;
desc.componentFlags=0;
desc.componentFlagsMask=0;
comp=AudioComponentFindNext(NULL,&desc);
if (comp==NULL) return -1;
err= AudioComponentInstanceNew(comp,&out);
if (err) return err;
err=AudioUnitInitialize(out);if (err) return err;
err=AudioUnitGetPropertyInfo(out,kAudioUnitProperty_StreamFormat,kAudioUnitScope_Output,0,&size,&canwrite);
if (err) return err;
err=AudioUnitGetProperty(out,kAudioUnitProperty_StreamFormat,kAudioUnitScope_Input,0,&outputdesc,&size);
if (err) return err;
// dumpdesc(&outputdesc);
inputdesc.mSampleRate=44100.0;
inputdesc.mFormatID='lpcm';
#if __BIG_ENDIAN__
inputdesc.mFormatFlags=0x0e;
#else
inputdesc.mFormatFlags=0x0c;
#endif
inputdesc.mBytesPerPacket=4;
inputdesc.mFramesPerPacket=1;
inputdesc.mBytesPerFrame=4;
inputdesc.mChannelsPerFrame=2;
inputdesc.mBitsPerChannel=16;
inputdesc.mReserved=0;
// dumpdesc(&inputdesc);
err=AudioConverterNew(&inputdesc,&outputdesc,&conv);
if (err) {
// printf("AudioConvertNew failed %.*s\n",4,(char*)&err);
return err;
}
return err;
}
bool CAAudioUnit::SupportsNumChannels () const
{
// this is the default assumption of an audio effect unit
Boolean* isWritable = 0;
UInt32 dataSize = 0;
// lets see if the unit has any channel restrictions
OSStatus result = AudioUnitGetPropertyInfo (AU(),
kAudioUnitProperty_SupportedNumChannels,
kAudioUnitScope_Global, 0,
&dataSize, isWritable); //don't care if this is writable
// if this property is NOT implemented an FX unit
// is expected to deal with same channel valance in and out
if (result) {
if (Comp().Desc().IsEffect() || Comp().Desc().IsOffline())
return true;
}
return result == noErr;
}
bool CCoreAudioUnit::GetInputChannelMap(CoreAudioChannelList* pChannelMap)
{
if (!m_Component)
return false;
UInt32 size = 0;
Boolean writable = false;
AudioUnitGetPropertyInfo(m_Component, kAudioOutputUnitProperty_ChannelMap, kAudioUnitScope_Input, 0, &size, &writable);
UInt32 channels = size/sizeof(SInt32);
SInt32* pMap = new SInt32[channels];
OSStatus ret = AudioUnitGetProperty(m_Component, kAudioOutputUnitProperty_ChannelMap, kAudioUnitScope_Input, 0, pMap, &size);
if (ret)
CLog::Log(LOGERROR, "CCoreAudioUnit::GetInputChannelMap: Unable to retrieve AudioUnit input channel map. Error = 0x%08x (%4.4s)", ret, CONVERT_OSSTATUS(ret));
else
for (UInt32 i = 0; i < channels; i++)
pChannelMap->push_back(pMap[i]);
delete[] pMap;
return (!ret);
}
OSStatus CAAudioUnit::GetChannelLayout (AudioUnitScope inScope,
AudioUnitElement inEl,
CAAudioChannelLayout &outLayout) const
{
UInt32 size;
OSStatus result = AudioUnitGetPropertyInfo (AU(), kAudioUnitProperty_AudioChannelLayout,
inScope, inEl, &size, NULL);
if (result) return result;
AudioChannelLayout *layout = (AudioChannelLayout*)malloc (size);
require_noerr (result = AudioUnitGetProperty (AU(), kAudioUnitProperty_AudioChannelLayout,
inScope, inEl, layout, &size), home);
outLayout = CAAudioChannelLayout (layout);
home:
free (layout);
return result;
}
bool auLoader::setSampleRate(float srate) {
UInt32 size;
Boolean write;
Float64 data = srate;
ComponentResult err = AudioUnitGetPropertyInfo(m_plugin, kAudioUnitProperty_SampleRate, kAudioUnitScope_Global, 0, &size, &write);
if(err == noErr && size == sizeof(Float64)) {
err = AudioUnitSetProperty(m_plugin, kAudioUnitProperty_SampleRate, kAudioUnitScope_Global, 0, &data, size);
if(err != noErr) {
debug(LOG_ERROR, "Could not set sample rate to %f", srate);
return false;
}
else {
debug(LOG_VERBOSE, "Set sample rate to %f", srate);
}
}
if(m_desc.componentType == kAudioUnitType_Effect ||
m_desc.componentType == kAudioUnitType_MusicEffect) {
AudioStreamBasicDescription stream_format;
stream_format.mSampleRate = srate;
stream_format.mFormatID = kAudioFormatLinearPCM;
stream_format.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kAudioFormatFlagIsNonInterleaved;
stream_format.mBytesPerPacket = 4;
stream_format.mFramesPerPacket = 1;
stream_format.mBytesPerFrame = 4;
stream_format.mChannelsPerFrame = MAX_CHANNELS;
stream_format.mBitsPerChannel = sizeof(Float32) * 8;
err = AudioUnitSetProperty(m_plugin, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input,
0, &stream_format, sizeof(stream_format));
if(err != noErr) {
debug(LOG_ERROR, "Could not set stream format");
return false;
}
else {
debug(LOG_VERBOSE, "Set stream format");
}
}
return true;
}
bool CAAudioUnit::GetChannelLayouts (AudioUnitScope inScope,
AudioUnitElement inEl,
ChannelTagVector &outChannelVector) const
{
if (HasChannelLayouts (inScope, inEl) == false) return false;
UInt32 dataSize;
OSStatus result = AudioUnitGetPropertyInfo (AU(),
kAudioUnitProperty_SupportedChannelLayoutTags,
inScope, inEl,
&dataSize, NULL);
if (result == kAudioUnitErr_InvalidProperty) {
// if we get here we can do layouts but we've got the speaker config property
outChannelVector.erase (outChannelVector.begin(), outChannelVector.end());
outChannelVector.push_back (kAudioChannelLayoutTag_Stereo);
outChannelVector.push_back (kAudioChannelLayoutTag_StereoHeadphones);
outChannelVector.push_back (kAudioChannelLayoutTag_Quadraphonic);
outChannelVector.push_back (kAudioChannelLayoutTag_AudioUnit_5_0);
return true;
}
if (result) return false;
bool canDo = false;
// OK lets get our channel layouts and see if the one we want is present
AudioChannelLayoutTag* info = (AudioChannelLayoutTag*)malloc (dataSize);
result = AudioUnitGetProperty (AU(),
kAudioUnitProperty_SupportedChannelLayoutTags,
inScope, inEl,
info, &dataSize);
if (result) goto home;
outChannelVector.erase (outChannelVector.begin(), outChannelVector.end());
for (unsigned int i = 0; i < (dataSize / sizeof (AudioChannelLayoutTag)); ++i)
outChannelVector.push_back (info[i]);
home:
free (info);
return canDo;
}
bool CAAudioUnit::CanDo ( int inChannelsIn,
int inChannelsOut) const
{
// this is the default assumption of an audio effect unit
Boolean* isWritable = 0;
UInt32 dataSize = 0;
// lets see if the unit has any channel restrictions
OSStatus result = AudioUnitGetPropertyInfo (AU(),
kAudioUnitProperty_SupportedNumChannels,
kAudioUnitScope_Global, 0,
&dataSize, isWritable); //don't care if this is writable
// if this property is NOT implemented an FX unit
// is expected to deal with same channel valance in and out
if (result)
{
if ((Comp().Desc().IsEffect() && (inChannelsIn == inChannelsOut))
|| (Comp().Desc().IsOffline() && (inChannelsIn == inChannelsOut)))
{
return true;
}
else
{
// the au should either really tell us about this
// or we will assume the worst
return false;
}
}
StackAUChannelInfo info (dataSize);
result = GetProperty (kAudioUnitProperty_SupportedNumChannels,
kAudioUnitScope_Global, 0,
info.mChanInfo, &dataSize);
if (result) { return false; }
return ValidateChannelPair (inChannelsIn, inChannelsOut, info.mChanInfo, (dataSize / sizeof (AUChannelInfo)));
}
bool CAUOutputDevice::GetChannelMap(CoreAudioChannelList* pChannelMap)
{
if (!m_audioUnit)
return false;
UInt32 size = 0;
Boolean writable = false;
AudioUnitGetPropertyInfo(m_audioUnit,
kAudioOutputUnitProperty_ChannelMap, kAudioUnitScope_Input, 0, &size, &writable);
UInt32 channels = size/sizeof(SInt32);
SInt32* pMap = new SInt32[channels];
OSStatus ret = AudioUnitGetProperty(m_audioUnit,
kAudioOutputUnitProperty_ChannelMap, kAudioUnitScope_Input, 0, pMap, &size);
if (ret)
CLog::Log(LOGERROR, "CCoreAudioUnit::GetInputChannelMap: "
"Unable to retrieve AudioUnit input channel map. Error = %s", GetError(ret).c_str());
else
for (UInt32 i = 0; i < channels; i++)
pChannelMap->push_back(pMap[i]);
delete[] pMap;
return (!ret);
}
void AUEditWindow::SetUnitToDisplay (AudioUnit editUnit, bool forceGeneric)
{
if (mEditView) {
verify_noerr(CloseComponent(mEditView));
mEditView = 0;
}
ComponentDescription editorComponentDesc;
// set up to use generic UI component
editorComponentDesc.componentType = kAudioUnitCarbonViewComponentType;
editorComponentDesc.componentSubType = 'gnrc';
editorComponentDesc.componentManufacturer = 'appl';
editorComponentDesc.componentFlags = 0;
editorComponentDesc.componentFlagsMask = 0;
OSStatus err;
if (!forceGeneric) {
// ask the AU for its first editor component
UInt32 propertySize;
err = AudioUnitGetPropertyInfo(editUnit, kAudioUnitProperty_GetUIComponentList,
kAudioUnitScope_Global, 0, &propertySize, NULL);
if (!err) {
int nEditors = propertySize / sizeof(ComponentDescription);
ComponentDescription *editors = new ComponentDescription[nEditors];
err = AudioUnitGetProperty(editUnit, kAudioUnitProperty_GetUIComponentList,
kAudioUnitScope_Global, 0, editors, &propertySize);
if (!err)
// just pick the first one for now
editorComponentDesc = editors[0];
delete[] editors;
}
}
SetUnitToDisplay (editUnit, editorComponentDesc);
}
OSStatus setupOutput (AudioUnit *outputUnit, AFfilehandle file)
{
OSStatus status = noErr;
UInt32 size;
Boolean outWritable;
AudioStreamBasicDescription fileASBD, inputASBD, outputASBD;
AURenderCallbackStruct renderCallback;
/* Set virtual sample format to single-precision floating-point. */
afSetVirtualSampleFormat(file, AF_DEFAULT_TRACK, AF_SAMPFMT_FLOAT, 32);
/* Get ASBD for virtual sample format. */
getASBDForFile(file, AF_DEFAULT_TRACK, &fileASBD);
status = AudioUnitGetPropertyInfo(*outputUnit,
kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output,
0, &size, &outWritable);
status = AudioUnitGetProperty(*outputUnit,
kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output,
0, &outputASBD, &size);
if (outWritable)
{
outputASBD = fileASBD;
status = AudioUnitSetProperty(*outputUnit,
kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output,
0, &outputASBD, size);
}
inputASBD = fileASBD;
status = AudioUnitSetProperty(*outputUnit,
kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input,
0, &inputASBD, size);
if (status != noErr)
{
fprintf(stderr, "Could not set input stream format.\n");
exit(EXIT_FAILURE);
}
/*
Set the render callback to a procedure which will
read from the file.
*/
renderCallback.inputProc = fileRenderProc;
renderCallback.inputProcRefCon = file;
status = AudioUnitSetProperty(*outputUnit,
kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input, 0,
&renderCallback, sizeof (AURenderCallbackStruct));
if (status != noErr)
{
fprintf(stderr, "Could not set render callback.\n");
exit(EXIT_FAILURE);
}
return status;
}
int macosx_audio_open(audio_desc_t ad, audio_format* ifmt, audio_format *ofmt)
{
OSStatus err = noErr;
UInt32 propertySize;
Boolean writable;
obtained_ = false;
add = ad;
//dev[0] = devices[ad];
UNUSED(ofmt);
// Get the default input device ID.
err = AudioHardwareGetPropertyInfo(kAudioHardwarePropertyDefaultInputDevice, &propertySize, &writable);
if (err != noErr) {
return 0;
}
err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultInputDevice, &propertySize, &(devices[ad].inputDeviceID_));
if (err != noErr) {
debug_msg("error kAudioHardwarePropertyDefaultInputDevice");
return 0;
}
if (devices[ad].inputDeviceID_ == kAudioDeviceUnknown) {
debug_msg("error kAudioDeviceUnknown");
return 0;
}
// Get the input stream description.
err = AudioDeviceGetPropertyInfo(devices[ad].inputDeviceID_, 0, true, kAudioDevicePropertyStreamFormat, &propertySize, &writable);
if (err != noErr) {
debug_msg("error AudioDeviceGetPropertyInfo");
return 0;
}
err = AudioDeviceGetProperty(devices[ad].inputDeviceID_, 0, true, kAudioDevicePropertyStreamFormat, &propertySize, &(devices[ad].inputStreamBasicDescription_));
//printf("inputStreamBasicDescription_.mBytesPerFrame %d\n", devices[add].inputStreamBasicDescription_);
if (err != noErr) {
debug_msg("error AudioDeviceGetProperty");
return 0;
}
// nastavime maly endian
devices[ad].inputStreamBasicDescription_.mFormatFlags &= (kAudioFormatFlagIsBigEndian & 0);
if (writable) {
err = AudioDeviceSetProperty(devices[ad].inputDeviceID_, NULL, 0, true, kAudioDevicePropertyStreamFormat, sizeof(AudioStreamBasicDescription), &(devices[ad].inputStreamBasicDescription_));
if (err != noErr) printf("err: AudioDeviceSetProperty: kAudioDevicePropertyStreamFormat\n");
}
/* set the buffer size of the device */
/*
int bufferByteSize = 8192;
propertySize = sizeof(bufferByteSize);
err = AudioDeviceSetProperty(devices[ad].inputDeviceID_, NULL, 0, true, kAudioDevicePropertyBufferSize, propertySize, &bufferByteSize);
if (err != noErr) debug_msg("err: Set kAudioDevicePropertyBufferSize to %d\n", bufferByteSize);
else debug_msg("sucessfully set kAudioDevicePropertyBufferSize to %d\n", bufferByteSize);
*/
// Set the device sample rate -- a temporary fix for the G5's
// built-in audio and possibly other audio devices.
Boolean IsInput = 0;
int inChannel = 0;
Float64 theAnswer = 44100;
UInt32 theSize = sizeof(theAnswer);
err = AudioDeviceSetProperty(devices[ad].inputDeviceID_, NULL, inChannel, IsInput,
kAudioDevicePropertyNominalSampleRate, theSize, &theAnswer);
if (err != noErr) {
debug_msg("error AudioDeviceSetProperty\n");
return 0;
}
debug_msg("Sample rate, %f\n", theAnswer);
#if defined(MAC_OS_X_VERSION_10_5) && (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5)
err = AudioDeviceCreateIOProcID(devices[ad].inputDeviceID_, audioIOProc, (void*)NULL, &devices[ad].inputDeviceProcID_);
if (err != noErr) {
debug_msg("error AudioDeviceCreateIOProcID, %s\n", GetMacOSStatusCommentString(err));
return 0;
}
err = OpenADefaultComponent(kAudioUnitType_Output, kAudioUnitSubType_DefaultOutput, &(devices[ad].outputUnit_));
// The HAL AU maybe a better way to in the future...
//err = OpenADefaultComponent(kAudioUnitType_Output, kAudioUnitSubType_HALOutput, &(devices[ad].outputUnit_));
if (err != noErr) {
debug_msg("error OpenADefaultComponent\n");
return 0;
}
#else
// Register the AudioDeviceIOProc.
err = AudioDeviceAddIOProc(devices[ad].inputDeviceID_, audioIOProc, NULL);
if (err != noErr) {
debug_msg("error AudioDeviceAddIOProc\n");
return 0;
}
err = OpenDefaultAudioOutput(&(devices[ad].outputUnit_));
if (err != noErr) {
debug_msg("error OpenDefaultAudioOutput\n");
return 0;
}
#endif
// Register a callback function to provide output data to the unit.
devices[ad].input.inputProc = outputRenderer;
devices[ad].input.inputProcRefCon = 0;
/* These would be needed if HAL used
* UInt32 enableIO =1;
err = AudioUnitSetProperty(devices[ad].outputUnit_, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output, 0, (const void*)&enableIO, sizeof(UInt32));
enableIO=0;
err = AudioUnitSetProperty(devices[ad].outputUnit_, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, 1, (const void*)&enableIO, sizeof(UInt32));
if (err != noErr) {
debug_msg("error AudioUnitSetProperty EnableIO with error %ld: %s\n", err, GetMacOSStatusErrorString(err));
return 0;
}*/
#if defined(MAC_OS_X_VERSION_10_5) && (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5)
err = AudioUnitSetProperty(devices[ad].outputUnit_, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Global, 0, &(devices[ad].input), sizeof(AURenderCallbackStruct));
#else
err = AudioUnitSetProperty(devices[ad].outputUnit_, kAudioOutputUnitProperty_SetInputCallback, kAudioUnitScope_Global, 0, &(devices[ad].input), sizeof(AURenderCallbackStruct));
#endif
if (err != noErr) {
debug_msg("error AudioUnitSetProperty1 with error %ld: %s\n", err, GetMacOSStatusErrorString(err));
return 0;
}
// Define the Mash stream description. Mash puts 20ms of data into each read
// and write call. 20ms at 8000Hz equals 160 samples. Each sample is a u_char,
// so that's 160 bytes. Mash uses 8-bit mu-law internally, so we need to convert
// to 16-bit linear before using the audio data.
devices[ad].mashStreamBasicDescription_.mSampleRate = 8000.0;
//devices[ad].mashStreamBasicDescription_.mSampleRate = ifmt->sample_rate;
devices[ad].mashStreamBasicDescription_.mFormatID = kAudioFormatLinearPCM;
#ifdef WORDS_BIGENDIAN
devices[ad].mashStreamBasicDescription_.mFormatFlags =kLinearPCMFormatFlagIsSignedInteger | kLinearPCMFormatFlagIsBigEndian |kLinearPCMFormatFlagIsPacked;
#else
devices[ad].mashStreamBasicDescription_.mFormatFlags =kLinearPCMFormatFlagIsSignedInteger | kLinearPCMFormatFlagIsPacked;
#endif
devices[ad].mashStreamBasicDescription_.mBytesPerPacket = 2;
devices[ad].mashStreamBasicDescription_.mFramesPerPacket = 1;
devices[ad].mashStreamBasicDescription_.mBytesPerFrame = 2;
devices[ad].mashStreamBasicDescription_.mChannelsPerFrame = 1;
devices[ad].mashStreamBasicDescription_.mBitsPerChannel = 16;
// Inform the default output unit of our source format.
err = AudioUnitSetProperty(devices[ad].outputUnit_, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &(devices[ad].mashStreamBasicDescription_), sizeof(AudioStreamBasicDescription));
if (err != noErr) {
debug_msg("error AudioUnitSetProperty2");
printf("error setting output unit source format\n");
return 0;
}
// check the stream format
err = AudioUnitGetPropertyInfo(devices[ad].outputUnit_, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &propertySize, &writable);
if (err != noErr) debug_msg("err getting propert info for kAudioUnitProperty_StreamFormat\n");
err = AudioUnitGetProperty(devices[ad].outputUnit_, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &streamdesc_, &propertySize);
if (err != noErr) debug_msg("err getting values for kAudioUnitProperty_StreamFormat\n");
char name[128];
audio_format_name(ifmt, name, 128);
debug_msg("Requested ifmt %s\n",name);
debug_msg("ifmt bytes pre block: %d\n",ifmt->bytes_per_block);
// handle the requested format
if (ifmt->encoding != DEV_S16) {
audio_format_change_encoding(ifmt, DEV_S16);
debug_msg("Requested ifmt changed to %s\n",name);
debug_msg("ifmt bytes pre block: %d\n",ifmt->bytes_per_block);
}
audio_format_name(ofmt, name, 128);
debug_msg("Requested ofmt %s\n",name);
debug_msg("ofmt bytes pre block: %d\n",ofmt->bytes_per_block);
// Allocate the read buffer and Z delay line.
//readBufferSize_ = 8192;
readBufferSize_ = ifmt->bytes_per_block * ringBufferFactor_;
//readBufferSize_ = 320;
//printf("readBufferSize_ %d\n", readBufferSize_);
readBuffer_ = malloc(sizeof(u_char)*readBufferSize_);
bzero(readBuffer_, readBufferSize_ * sizeof(u_char));
//memset(readBuffer_, PCMU_AUDIO_ZERO, readBufferSize_);
//inputReadIndex_ = -1;
inputReadIndex_ = 0; inputWriteIndex_ = 0;
zLine_ = malloc(sizeof(double)*DECIM441_LENGTH / 80);
availableInput_ = 0;
// Allocate the write buffer.
//writeBufferSize_ = 8000;
writeBufferSize_ = ofmt->bytes_per_block * ringBufferFactor_;
writeBuffer_ = malloc(sizeof(SInt16)*writeBufferSize_);
bzero(writeBuffer_, writeBufferSize_ * sizeof(SInt16));
outputReadIndex_ = 0; outputWriteIndex_ = 0;
//outputWriteIndex_ = -1;
// Start audio processing.
err = AudioUnitInitialize(devices[ad].outputUnit_);
if (err != noErr) {
debug_msg("error AudioUnitInitialize\n");
return 0;
}
err = AudioDeviceStart(devices[ad].inputDeviceID_, audioIOProc);
if (err != noErr) {
fprintf(stderr, "Input device error: AudioDeviceStart\n");
return 0;
}
err = AudioOutputUnitStart(devices[ad].outputUnit_);
if (err != noErr) {
fprintf(stderr, "Output device error: AudioOutputUnitStart\n");
return 0;
}
// Inform the default output unit of our source format.
/*
err = AudioUnitSetProperty(devices[ad].outputUnit_, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &(devices[ad].mashStreamBasicDescription_), sizeof(AudioStreamBasicDescription));
if (err != noErr) {
debug_msg("error AudioUnitSetProperty3");
return 0;
}
*/
return 1;
};
JNIEXPORT jint JNICALL Java_com_apple_audio_units_AudioUnit_AudioUnitGetPropertyInfo
(JNIEnv *, jclass, jint ci, jint inID, jint inScope, jint inElement, jint outDataSize, jint outWritable)
{
return (jint)AudioUnitGetPropertyInfo((AudioUnit)ci, (AudioUnitPropertyID)inID, (AudioUnitScope)inScope, (AudioUnitElement)inElement, (UInt32 *)outDataSize, (Boolean *)outWritable);
}
static int open_coreaudio(audio_output_t *ao)
{
mpg123_coreaudio_t* ca = (mpg123_coreaudio_t*)ao->userptr;
UInt32 size;
ComponentDescription desc;
Component comp;
AudioStreamBasicDescription inFormat;
AudioStreamBasicDescription outFormat;
AURenderCallbackStruct renderCallback;
Boolean outWritable;
/* Initialize our environment */
ca->play = 0;
ca->buffer = NULL;
ca->buffer_size = 0;
ca->last_buffer = 0;
ca->play_done = 0;
ca->decode_done = 0;
/* Get the default audio output unit */
desc.componentType = kAudioUnitType_Output;
desc.componentSubType = kAudioUnitSubType_DefaultOutput;
desc.componentManufacturer = kAudioUnitManufacturer_Apple;
desc.componentFlags = 0;
desc.componentFlagsMask = 0;
comp = FindNextComponent(NULL, &desc);
if(comp == NULL) {
error("FindNextComponent failed");
return(-1);
}
if(OpenAComponent(comp, &(ca->outputUnit))) {
error("OpenAComponent failed");
return (-1);
}
if(AudioUnitInitialize(ca->outputUnit)) {
error("AudioUnitInitialize failed");
return (-1);
}
/* Specify the output PCM format */
AudioUnitGetPropertyInfo(ca->outputUnit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 0, &size, &outWritable);
if(AudioUnitGetProperty(ca->outputUnit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 0, &outFormat, &size)) {
error("AudioUnitGetProperty(kAudioUnitProperty_StreamFormat) failed");
return (-1);
}
if(AudioUnitSetProperty(ca->outputUnit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &outFormat, size)) {
error("AudioUnitSetProperty(kAudioUnitProperty_StreamFormat) failed");
return (-1);
}
/* Specify the input PCM format */
ca->channels = ao->channels;
inFormat.mSampleRate = ao->rate;
inFormat.mChannelsPerFrame = ao->channels;
inFormat.mFormatID = kAudioFormatLinearPCM;
#ifdef _BIG_ENDIAN
inFormat.mFormatFlags = kLinearPCMFormatFlagIsPacked | kLinearPCMFormatFlagIsBigEndian;
#else
inFormat.mFormatFlags = kLinearPCMFormatFlagIsPacked;
#endif
switch(ao->format)
{
case MPG123_ENC_SIGNED_16:
inFormat.mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
ca->bps = 2;
break;
case MPG123_ENC_SIGNED_8:
inFormat.mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
ca->bps = 1;
break;
case MPG123_ENC_UNSIGNED_8:
ca->bps = 1;
break;
case MPG123_ENC_SIGNED_32:
inFormat.mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
ca->bps = 4;
break;
case MPG123_ENC_FLOAT_32:
inFormat.mFormatFlags |= kLinearPCMFormatFlagIsFloat;
ca->bps = 4;
break;
case MPG123_ENC_FLOAT_64:
inFormat.mFormatFlags |= kLinearPCMFormatFlagIsFloat;
ca->bps = 4;
break;
}
inFormat.mBitsPerChannel = ca->bps << 3;
inFormat.mBytesPerPacket = ca->bps*inFormat.mChannelsPerFrame;
inFormat.mFramesPerPacket = 1;
inFormat.mBytesPerFrame = ca->bps*inFormat.mChannelsPerFrame;
/* Add our callback - but don't start it yet */
memset(&renderCallback, 0, sizeof(AURenderCallbackStruct));
renderCallback.inputProc = convertProc;
renderCallback.inputProcRefCon = ao->userptr;
if(AudioUnitSetProperty(ca->outputUnit, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input, 0, &renderCallback, sizeof(AURenderCallbackStruct))) {
error("AudioUnitSetProperty(kAudioUnitProperty_SetRenderCallback) failed");
return(-1);
}
/* Open an audio I/O stream and create converter */
if (ao->rate > 0 && ao->channels >0 ) {
int ringbuffer_len;
if(AudioConverterNew(&inFormat, &outFormat, &(ca->converter))) {
error("AudioConverterNew failed");
return(-1);
}
if(ao->channels == 1) {
SInt32 channelMap[2] = { 0, 0 };
if(AudioConverterSetProperty(ca->converter, kAudioConverterChannelMap, sizeof(channelMap), channelMap)) {
error("AudioConverterSetProperty(kAudioConverterChannelMap) failed");
return(-1);
}
}
/* Initialise FIFO */
ringbuffer_len = ao->rate * FIFO_DURATION * ca->bps * ao->channels;
debug2( "Allocating %d byte ring-buffer (%f seconds)", ringbuffer_len, (float)FIFO_DURATION);
sfifo_init( &ca->fifo, ringbuffer_len );
}
return(0);
}
void CAChannelMappingPlayer::SetupChannelMapping()
{
delete mMapper;
mMapper = NULL;
const CAStreamBasicDescription &fileFormat = GetFile().GetClientDataFormat();
CAStreamBasicDescription deviceFormat;
UInt32 propertySize = sizeof(AudioStreamBasicDescription);
XThrowIfError(AudioUnitGetProperty(
GetOutputUnit(),
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Output,
0,
(void *)&deviceFormat,
&propertySize), "get output device's format");
#if VERBOSE
printf("CAChannelMappingPlayer::SetupChannelMapping: %ld-ch file, %ld-ch device\n",
fileFormat.mChannelsPerFrame, deviceFormat.mChannelsPerFrame);
#endif
if (fileFormat.mChannelsPerFrame <= deviceFormat.mChannelsPerFrame) {
// no mapping needed, use output unit's default behavior
// (default stereo pair and speaker config from AMS)
#if VERBOSE
printf(" using output unit's channel mapping\n");
#endif
CAAudioFilePlayer::SetupChannelMapping();
} else {
// fewer device than file channels, mapping needed
CAAudioChannelLayout fileLayout, deviceLayout;
#if VERBOSE
printf(" using our own channel mapping\n");
#endif
deviceFormat.mSampleRate = fileFormat.mSampleRate;
deviceFormat.SetCanonical(deviceFormat.mChannelsPerFrame, false); // force deinterleaved
fileLayout = GetFile().GetFileChannelLayout();
UInt32 layoutSize;
Boolean writable;
OSStatus err = AudioUnitGetPropertyInfo(
GetOutputUnit(),
kAudioUnitProperty_AudioChannelLayout,
kAudioUnitScope_Input,
0,
&layoutSize,
&writable);
if (!err) {
char *buf = (char *)malloc(layoutSize);
err = AudioUnitGetProperty(
GetOutputUnit(),
kAudioUnitProperty_AudioChannelLayout,
kAudioUnitScope_Input,
0,
buf,
&layoutSize);
deviceLayout = CAAudioChannelLayout(reinterpret_cast<AudioChannelLayout *>(buf));
free(buf);
}
mMapper = new CAChannelMapper(fileFormat, deviceFormat, &fileLayout, &deviceLayout);
// give the output unit the same number of channels as in the device,
// since we'll be doing the mapping ourselves
XThrowIfError(AudioUnitSetProperty(
GetOutputUnit(),
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Input,
0,
(void *)&deviceFormat,
sizeof(AudioStreamBasicDescription)), "set audio output format");
XThrowIfError(mMapper->OpenMixer(fileFormat.mSampleRate), "open mixer");
XThrowIfError(mMapper->ConfigureDownmix(), "configure downmix");
AudioUnitConnection conn;
conn.sourceAudioUnit = mMapper->GetMixer();
conn.sourceOutputNumber = 0;
conn.destInputNumber = 0;
XThrowIfError(AudioUnitSetProperty(
GetOutputUnit(),
kAudioUnitProperty_MakeConnection,
kAudioUnitScope_Global,
0,
(void *)&conn,
sizeof(AudioUnitConnection)), "connect mixer to output unit");
AURenderCallbackStruct input;
input.inputProc = InputProc;
input.inputProcRefCon = this;
XThrowIfError(AudioUnitSetProperty(
conn.sourceAudioUnit,
kAudioUnitProperty_SetRenderCallback,
kAudioUnitScope_Global,
0,
&input,
sizeof(input)), "connect input proc to mixer");
// provide NO channel layout
// mReadBuf = CABufferList::New("", fileFormat);
// mReadBuf->AllocateBuffers(
}
}
int CAAudioUnit::GetChannelInfo (AUChannelInfo** chaninfo, UInt32& cnt)
{
// this is the default assumption of an audio effect unit
Boolean* isWritable = 0;
UInt32 dataSize = 0;
// lets see if the unit has any channel restrictions
OSStatus result = AudioUnitGetPropertyInfo (AU(),
kAudioUnitProperty_SupportedNumChannels,
kAudioUnitScope_Global, 0,
&dataSize, isWritable); //don't care if this is writable
// if this property is NOT implemented an FX unit
// is expected to deal with same channel valance in and out
if (result)
{
if (Comp().Desc().IsEffect())
{
return 1;
}
else if (Comp().Desc().IsGenerator() || Comp().Desc().IsMusicDevice()) {
// directly query Bus Formats
// Note that that these may refer to different subBusses
// (eg. Kick, Snare,.. on a Drummachine)
// eventually the Bus-Name for each configuration should be exposed
// for the User to select..
UInt32 elCountIn, elCountOut;
if (GetElementCount (kAudioUnitScope_Input, elCountIn)) return -1;
if (GetElementCount (kAudioUnitScope_Output, elCountOut)) return -1;
cnt = std::max(elCountIn, elCountOut);
*chaninfo = (AUChannelInfo*) malloc (sizeof (AUChannelInfo) * cnt);
for (unsigned int i = 0; i < elCountIn; ++i) {
UInt32 numChans;
if (NumberChannels (kAudioUnitScope_Input, i, numChans)) return -1;
(*chaninfo)[i].inChannels = numChans;
}
for (unsigned int i = elCountIn; i < cnt; ++i) {
(*chaninfo)[i].inChannels = 0;
}
for (unsigned int i = 0; i < elCountOut; ++i) {
UInt32 numChans;
if (NumberChannels (kAudioUnitScope_Output, i, numChans)) return -1;
(*chaninfo)[i].outChannels = numChans;
}
for (unsigned int i = elCountOut; i < cnt; ++i) {
(*chaninfo)[i].outChannels = 0;
}
return 0;
}
else
{
// the au should either really tell us about this
// or we will assume the worst
return -1;
}
}
*chaninfo = (AUChannelInfo*) malloc (dataSize);
cnt = dataSize / sizeof (AUChannelInfo);
result = GetProperty (kAudioUnitProperty_SupportedNumChannels,
kAudioUnitScope_Global, 0,
*chaninfo, &dataSize);
if (result) { return -1; }
return 0;
}
static int open_coreaudio(audio_output_t *ao)
{
mpg123_coreaudio_t* ca = (mpg123_coreaudio_t*)ao->userptr;
UInt32 size;
AudioComponentDescription desc;
AudioComponent comp;
AudioStreamBasicDescription inFormat;
AudioStreamBasicDescription outFormat;
AURenderCallbackStruct renderCallback;
Boolean outWritable;
/* Initialize our environment */
ca->play = 0;
ca->buffer = NULL;
ca->buffer_size = 0;
ca->last_buffer = 0;
ca->play_done = 0;
ca->decode_done = 0;
/* Get the default audio output unit */
desc.componentType = kAudioUnitType_Output;
desc.componentSubType = kAudioUnitSubType_DefaultOutput;
desc.componentManufacturer = kAudioUnitManufacturer_Apple;
desc.componentFlags = 0;
desc.componentFlagsMask = 0;
comp = AudioComponentFindNext(NULL, &desc);
if(comp == NULL) {
return -1;
}
if(AudioComponentInstanceNew(comp, &(ca->outputUnit))) {
return -1;
}
if(AudioUnitInitialize(ca->outputUnit)) {
return -1;
}
/* Specify the output PCM format */
AudioUnitGetPropertyInfo(ca->outputUnit,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Output,
0,
&size,
&outWritable);
if(AudioUnitGetProperty(ca->outputUnit,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Output,
0,
&outFormat,
&size)) {
return -1;
}
if(AudioUnitSetProperty(ca->outputUnit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &outFormat, size)) {
return -1;
}
/* Specify the input PCM format */
ca->channels = ao->channels;
inFormat.mSampleRate = ao->rate;
inFormat.mChannelsPerFrame = ao->channels;
inFormat.mFormatID = kAudioFormatLinearPCM;
#ifdef _BIG_ENDIAN
inFormat.mFormatFlags = kLinearPCMFormatFlagIsPacked | kLinearPCMFormatFlagIsBigEndian;
#else
inFormat.mFormatFlags = kLinearPCMFormatFlagIsPacked;
#endif
if (ao->signed_samples) {
inFormat.mFormatFlags |= kLinearPCMFormatFlagIsSignedInteger;
}
ca->bps = ao->bytes_per_sample;
inFormat.mBitsPerChannel = ca->bps << 3;
inFormat.mBytesPerPacket = ca->bps*inFormat.mChannelsPerFrame;
inFormat.mFramesPerPacket = 1;
inFormat.mBytesPerFrame = ca->bps*inFormat.mChannelsPerFrame;
/* Add our callback - but don't start it yet */
memset(&renderCallback, 0, sizeof(AURenderCallbackStruct));
renderCallback.inputProc = convertProc;
renderCallback.inputProcRefCon = ao->userptr;
if(AudioUnitSetProperty(ca->outputUnit,
kAudioUnitProperty_SetRenderCallback,
kAudioUnitScope_Input,
0,
&renderCallback,
sizeof(AURenderCallbackStruct))) {
return -1;
}
/* Open an audio I/O stream and create converter */
if (ao->rate > 0 && ao->channels >0 ) {
int ringbuffer_len;
if(AudioConverterNew(&inFormat, &outFormat, &(ca->converter))) {
return -1;
}
if(ao->channels == 1) {
SInt32 channelMap[2] = { 0, 0 };
if(AudioConverterSetProperty(ca->converter, kAudioConverterChannelMap, sizeof(channelMap), channelMap)) {
return -1;
}
}
/* Initialise FIFO */
ringbuffer_len = ((int)ao->rate *
FIFO_DURATION *
ca->bps *
ao->channels);
sfifo_init( &ca->fifo, ringbuffer_len );
}
return(0);
}
AUParamInfo::AUParamInfo (AudioUnit inAU,
bool inIncludeExpert,
bool inIncludeReadOnly,
AudioUnitScope inScope,
AudioUnitElement inElement)
: mAU (inAU),
mNumParams (0),
mParamListID(NULL),
mScope (inScope),
mElement (inElement)
{
UInt32 size;
OSStatus result = AudioUnitGetPropertyInfo(mAU, kAudioUnitProperty_ParameterList, inScope, mElement, &size, NULL);
if (size == 0 || result) return;
int nparams = size / sizeof(AudioUnitPropertyID);
mParamListID = new AudioUnitParameterID[nparams];
memset (mParamListID, 0xFF, size);
AudioUnitParameterID *paramList = new AudioUnitParameterID[nparams];
result = AudioUnitGetProperty(mAU, kAudioUnitProperty_ParameterList, mScope, mElement, paramList, &size);
if (result) {
delete [] mParamListID;
delete [] paramList;
mParamListID = NULL;
return;
}
ParameterMap params;
for (int i = 0; i < nparams; ++i)
{
CAAUParameter auvp (mAU, paramList[i], mScope, mElement); // took out only using global scope in CAAUParameter creation
const AudioUnitParameterInfo ¶mInfo = auvp.ParamInfo();
// don't include if parameter can't be read or written
if (!(paramInfo.flags & kAudioUnitParameterFlag_IsWritable)
&& !(paramInfo.flags & kAudioUnitParameterFlag_IsReadable))
continue;
// only include if expert params wanted
if (!inIncludeExpert && auvp.IsExpert())
continue;
// only include if read only params are wanted
if (!(paramInfo.flags & kAudioUnitParameterFlag_IsWritable)
&& (paramInfo.flags & kAudioUnitParameterFlag_IsReadable))
{
if (!inIncludeReadOnly)
continue;
}
mParamListID[mNumParams] = paramList[i];
mNumParams++;
// ok - if we're here, then we have a parameter we are going to display.
UInt32 clump = 0;
auvp.GetClumpID (clump);
mParams[clump].push_back (auvp);
}
delete [] paramList;
}
