static void
gpcap_devices_add (GtkWidget *widget, gpointer user_data)
{
GnomePilotCapplet *gpcap = GNOME_PILOT_CAPPLET (user_data);
GnomePilotCappletPrivate *priv;
GObject *dlg;
GPilotDevice *device;
gboolean res;
priv = gpcap->priv;
device = get_default_device (priv->state);
dlg = gnome_pilot_ddialog_new (device);
res = gnome_pilot_ddialog_run_and_close (GNOME_PILOT_DDIALOG (dlg), GTK_WINDOW (gpcap));
if (!res) {
g_free (device);
} else {
GtkTreeIter iter;
priv->state->devices = g_list_append (priv->state->devices, device);
append_devices_treeview (gpcap, device, &iter);
gtk_tree_selection_select_iter (gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->devices_treeview)),
&iter);
gpcap_save_state (gpcap);
}
}
LoopbackCapture::LoopbackCapture(AudioBuffer *pBuffer)
{
//memset(this,0,sizeof(this));
this->pBuffer = pBuffer;
//hr = CoInitialize(NULL);
// create a "loopback capture has started" event
hStartedEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
if (NULL == hStartedEvent) {
printf("CreateEvent failed: last error is %u\n", GetLastError());
//return -__LINE__;
}
// create a "stop capturing now" event
hStopEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
if (NULL == hStopEvent) {
printf("CreateEvent failed: last error is %u\n", GetLastError());
CloseHandle(hStartedEvent);
//return -__LINE__;
}
hDeviceEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
if (NULL == hDeviceEvent) {
printf("CreateEvent failed: last error is %u\n", GetLastError());
CloseHandle(hStartedEvent);
CloseHandle(hStopEvent);
//return -__LINE__;
}
hGlobalCloseEvent = CreateEvent(NULL, FALSE, FALSE, L"sysAudioSpectrogram_GlobalCloseEvent");
if (NULL == hGlobalCloseEvent) {
printf("CreateEvent failed: last error is %u\n", GetLastError());
CloseHandle(hStartedEvent);
CloseHandle(hStopEvent);
CloseHandle(hDeviceEvent);
//return -__LINE__;
}
hr = E_UNEXPECTED; // thread will overwrite this
get_default_device(&pMMDevice);
//pMMDevice = prefs.m_pMMDevice;
bInt16 = false;//prefs.m_bInt16;
hFile = NULL;//prefs.m_hFile;
nFrames = 0;
//CoUninitialize();
}
void propagateWithRawCurrentFormat(WAVEFORMATEX *toThis) {
WAVEFORMATEX *pwfx;
IMMDevice *pMMDevice;
IAudioClient *pAudioClient;
HANDLE hTask;
DWORD nTaskIndex = 0;
hTask = AvSetMmThreadCharacteristics(L"Capture", &nTaskIndex);
HRESULT hr = get_default_device(&pMMDevice);
if (FAILED(hr)) {
assert(false);
}
// activate an (the default, for us, since we want loopback) IAudioClient
hr = pMMDevice->Activate(
__uuidof(IAudioClient),
CLSCTX_ALL, NULL,
(void**)&pAudioClient
);
if (FAILED(hr)) {
ShowOutput("IMMDevice::Activate(IAudioClient) failed: hr = 0x%08x", hr);
assert(false);
}
hr = pAudioClient->GetMixFormat(&pwfx);
if (FAILED(hr)) {
ShowOutput("IAudioClient::GetMixFormat failed: hr = 0x%08x\n", hr);
CoTaskMemFree(pwfx);
pAudioClient->Release();
assert(false);
}
pAudioClient->Stop();
AvRevertMmThreadCharacteristics(hTask);
pAudioClient->Release();
pMMDevice->Release();
memcpy(toThis, pwfx, sizeof(WAVEFORMATEX));
CoTaskMemFree(pwfx);
}
CPrefs::CPrefs(int argc, LPCWSTR argv[], HRESULT &hr)
: m_pMMDevice(NULL)
, m_bInt16(true)
, m_bMono(false)
, m_iSampleRateDivisor(1)
, m_pwfx(NULL)
{
switch (argc) {
case 2:
if (0 == _wcsicmp(argv[1], L"-?") || 0 == _wcsicmp(argv[1], L"/?")) {
// print usage but don't actually capture
hr = S_FALSE;
usage(argv[0]);
return;
} else if (0 == _wcsicmp(argv[1], L"--list-devices")) {
// list the devices but don't actually capture
hr = list_devices();
// don't actually play
if (S_OK == hr) {
hr = S_FALSE;
return;
}
}
// intentional fallthrough
default:
// loop through arguments and parse them
for (int i = 1; i < argc; i++) {
// --device
if (0 == _wcsicmp(argv[i], L"--device")) {
if (NULL != m_pMMDevice) {
printf("Only one --device switch is allowed\n");
hr = E_INVALIDARG;
return;
}
if (i++ == argc) {
printf("--device switch requires an argument\n");
hr = E_INVALIDARG;
return;
}
hr = get_specific_device(argv[i], &m_pMMDevice);
if (FAILED(hr)) {
return;
}
continue;
}
// --int-16
if (0 == _wcsicmp(argv[i], L"--int-16")) {
if (m_bInt16) {
printf("Only one --int-16 switch is allowed\n");
hr = E_INVALIDARG;
return;
}
m_bInt16 = true;
continue;
}
// --mono
if (0 == _wcsicmp(argv[i], L"--mono")) {
m_bMono = true;
continue;
}
// --div divisor
if (0 == _wcsicmp(argv[i], L"--div")) {
if (i++ == argc) {
printf("--div switch requires an argument\n");
hr = E_INVALIDARG;
return;
}
m_iSampleRateDivisor = _wtoi(argv[i]);
continue;
}
printf("Invalid argument %ls\n", argv[i]);
hr = E_INVALIDARG;
return;
}
// open default device if not specified
if (NULL == m_pMMDevice) {
hr = get_default_device(&m_pMMDevice);
if (FAILED(hr)) {
return;
}
}
}
}
// we only call this once...per hit of the play button :)
HRESULT LoopbackCaptureSetup()
{
assert(shouldStop); // duplicate starts would be odd...
shouldStop = false; // allow graphs to restart, if they so desire...
pnFrames = 0;
bool bInt16 = true; // makes it actually work, for some reason...LODO
HRESULT hr;
hr = get_default_device(&m_pMMDevice); // so it can re-place our pointer...
if (FAILED(hr)) {
return hr;
}
// tell it to not overflow one buffer's worth <sigh> not sure if this is right or not, and thus we don't "cache" or "buffer" more than that much currently...
// but a buffer size is a buffer size...hmm...as long as we keep it small though...
assert(expectedMaxBufferSize <= pBufOriginalSize);
// activate an (the default, for us, since we want loopback) IAudioClient
hr = m_pMMDevice->Activate(
__uuidof(IAudioClient),
CLSCTX_ALL, NULL,
(void**)&pAudioClient
);
if (FAILED(hr)) {
ShowOutput("IMMDevice::Activate(IAudioClient) failed: hr = 0x%08x", hr);
return hr;
}
// get the default device periodicity, why? I don't know...
REFERENCE_TIME hnsDefaultDevicePeriod;
hr = pAudioClient->GetDevicePeriod(&hnsDefaultDevicePeriod, NULL);
if (FAILED(hr)) {
ShowOutput("IAudioClient::GetDevicePeriod failed: hr = 0x%08x\n", hr);
pAudioClient->Release();
return hr;
}
// get the default device format (incoming...)
WAVEFORMATEX *pwfx; // incoming wave...
// apparently propogated by GetMixFormat...
hr = pAudioClient->GetMixFormat(&pwfx);
if (FAILED(hr)) {
ShowOutput("IAudioClient::GetMixFormat failed: hr = 0x%08x\n", hr);
CoTaskMemFree(pwfx);
pAudioClient->Release();
return hr;
}
if (true /*bInt16*/) {
// coerce int-16 wave format
// can do this in-place since we're not changing the size of the format
// also, the engine will auto-convert from float to int for us
switch (pwfx->wFormatTag) {
case WAVE_FORMAT_IEEE_FLOAT:
assert(false);// we never get here...I hope...
pwfx->wFormatTag = WAVE_FORMAT_PCM;
pwfx->wBitsPerSample = 16;
pwfx->nBlockAlign = pwfx->nChannels * pwfx->wBitsPerSample / 8;
pwfx->nAvgBytesPerSec = pwfx->nBlockAlign * pwfx->nSamplesPerSec;
break;
case WAVE_FORMAT_EXTENSIBLE:
{
// naked scope for case-local variable
PWAVEFORMATEXTENSIBLE pEx = reinterpret_cast<PWAVEFORMATEXTENSIBLE>(pwfx);
if (IsEqualGUID(KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, pEx->SubFormat)) {
// WE GET HERE!
pEx->SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
pEx->Samples.wValidBitsPerSample = 16;
pwfx->wBitsPerSample = 16;
pwfx->nBlockAlign = pwfx->nChannels * pwfx->wBitsPerSample / 8;
pwfx->nAvgBytesPerSec = pwfx->nBlockAlign * pwfx->nSamplesPerSec;
/* scawah lodo...
if(ifNotNullThenJustSetTypeOnly) {
PWAVEFORMATEXTENSIBLE pEx2 = reinterpret_cast<PWAVEFORMATEXTENSIBLE>(ifNotNullThenJustSetTypeOnly);
pEx2->SubFormat = pEx->SubFormat;
pEx2->Samples.wValidBitsPerSample = pEx->Samples.wValidBitsPerSample;
} */
} else {
ShowOutput("Don't know how to coerce mix format to int-16\n");
CoTaskMemFree(pwfx);
pAudioClient->Release();
return E_UNEXPECTED;
}
}
break;
default:
ShowOutput("Don't know how to coerce WAVEFORMATEX with wFormatTag = 0x%08x to int-16\n", pwfx->wFormatTag);
CoTaskMemFree(pwfx);
pAudioClient->Release();
return E_UNEXPECTED;
}
}
/* scawah setting stream types up to match...didn't seem to work well...
if(ifNotNullThenJustSetTypeOnly) {
// pwfx is set at this point...
WAVEFORMATEX* pwfex = ifNotNullThenJustSetTypeOnly;
// copy them all out as the possible format...hmm...
pwfx->wFormatTag = WAVE_FORMAT_PCM;
pwfx->wBitsPerSample = 16;
pwfx->nBlockAlign = pwfx->nChannels * pwfx->wBitsPerSample / 8;
pwfx->nAvgBytesPerSec = pwfx->nBlockAlign * pwfx->nSamplesPerSec;
pwfex->wFormatTag = pwfx->wFormatTag;
pwfex->nChannels = pwfx->nChannels;
pwfex->nSamplesPerSec = pwfx->nSamplesPerSec;
pwfex->wBitsPerSample = pwfx->wBitsPerSample;
pwfex->nBlockAlign = pwfx->nBlockAlign;
pwfex->nAvgBytesPerSec = pwfx->nAvgBytesPerSec;
pwfex->cbSize = pwfx->cbSize;
//FILE *fp = fopen("/normal2", "w"); // fails on me? maybe juts a VLC thing...
//fShowOutput(fp, "hello world %d %d %d %d %d %d %d", pwfex->wFormatTag, pwfex->nChannels,
// pwfex->nSamplesPerSec, pwfex->wBitsPerSample, pwfex->nBlockAlign, pwfex->nAvgBytesPerSec, pwfex->cbSize );
//fclose(fp);
// cleanup
// I might be leaking here...
CoTaskMemFree(pwfx);
pAudioClient->Release();
//m_pMMDevice->Release();
return hr;
}*/
MMCKINFO ckRIFF = {0};
MMCKINFO ckData = {0};
nBlockAlign = pwfx->nBlockAlign;
// avoid stuttering on close
// http://social.msdn.microsoft.com/forums/en-US/windowspro-audiodevelopment/thread/c7ba0a04-46ce-43ff-ad15-ce8932c00171/
//IAudioClient *pAudioClient = NULL;
//IAudioCaptureClient *pCaptureClient = NULL;
IMMDeviceEnumerator *pEnumerator = NULL;
IMMDevice *pDevice = NULL;
IAudioRenderClient *pRenderClient = NULL;
WAVEFORMATEXTENSIBLE *captureDataFormat = NULL;
BYTE *captureData;
REFERENCE_TIME hnsRequestedDuration = REFTIMES_PER_SEC;
hr = CoCreateInstance(
CLSID_MMDeviceEnumerator, NULL,
CLSCTX_ALL, IID_IMMDeviceEnumerator,
(void**)&pEnumerator);
EXIT_ON_ERROR(hr)
hr = pEnumerator->GetDefaultAudioEndpoint(eRender, eConsole, &pDevice);
EXIT_ON_ERROR(hr)
hr = pDevice->Activate(IID_IAudioClient, CLSCTX_ALL, NULL, (void**)&pAudioClient);
EXIT_ON_ERROR(hr)
hr = pAudioClient->GetMixFormat((WAVEFORMATEX **)&captureDataFormat);
EXIT_ON_ERROR(hr)
// Silence: initialise in sharedmode [this is the "silence" bug overwriter, so buffer doesn't matter as much...]
hr = pAudioClient->Initialize(
AUDCLNT_SHAREMODE_SHARED,
0,
REFTIMES_PER_SEC, // buffer size a full 1.0s, though prolly doesn't matter here.
0,
pwfx,
NULL);
EXIT_ON_ERROR(hr)
// get the frame count
UINT32 bufferFrameCount;
hr = pAudioClient->GetBufferSize(&bufferFrameCount);
EXIT_ON_ERROR(hr)
// create a render client
hr = pAudioClient->GetService(IID_IAudioRenderClient, (void**)&pRenderClient);
EXIT_ON_ERROR(hr)
// get the buffer
hr = pRenderClient->GetBuffer(bufferFrameCount, &captureData);
EXIT_ON_ERROR(hr)
// release it
hr = pRenderClient->ReleaseBuffer(bufferFrameCount, AUDCLNT_BUFFERFLAGS_SILENT);
EXIT_ON_ERROR(hr)
// release the audio client
pAudioClient->Release();
EXIT_ON_ERROR(hr)
// create a new IAudioClient
hr = pDevice->Activate(IID_IAudioClient, CLSCTX_ALL, NULL, (void**)&pAudioClient);
EXIT_ON_ERROR(hr)
// -============================ now the sniffing code initialization stuff, direct from mauritius... ===================================
// call IAudioClient::Initialize
// note that AUDCLNT_STREAMFLAGS_LOOPBACK and AUDCLNT_STREAMFLAGS_EVENTCALLBACK
// do not work together...
// the "data ready" event never gets set
// so we're going to have to do this in a timer-driven loop...
hr = pAudioClient->Initialize(
AUDCLNT_SHAREMODE_SHARED,
AUDCLNT_STREAMFLAGS_LOOPBACK,
REFTIMES_PER_SEC, // buffer size a full 1.0s, seems ok VLC
0, pwfx, 0
);
if (FAILED(hr)) {
ShowOutput("IAudioClient::Initialize failed: hr = 0x%08x\n", hr);
pAudioClient->Release();
return hr;
}
CoTaskMemFree(pwfx);
// activate an IAudioCaptureClient
hr = pAudioClient->GetService(
__uuidof(IAudioCaptureClient),
(void**)&pAudioCaptureClient // CARE INSTANTIATION
);
if (FAILED(hr)) {
ShowOutput("IAudioClient::GetService(IAudioCaptureClient) failed: hr 0x%08x\n", hr);
pAudioClient->Release();
return hr;
}
// register with MMCSS
DWORD nTaskIndex = 0;
hTask = AvSetMmThreadCharacteristics(L"Capture", &nTaskIndex);
if (NULL == hTask) {
DWORD dwErr = GetLastError();
ShowOutput("AvSetMmThreadCharacteristics failed: last error = %u\n", dwErr);
pAudioCaptureClient->Release();
pAudioClient->Release();
return HRESULT_FROM_WIN32(dwErr);
}
// call IAudioClient::Start
hr = pAudioClient->Start();
if (FAILED(hr)) {
ShowOutput("IAudioClient::Start failed: hr = 0x%08x\n", hr);
AvRevertMmThreadCharacteristics(hTask);
pAudioCaptureClient->Release();
pAudioClient->Release();
return hr;
}
bFirstPacket = true;
// start the forever grabbing thread...
DWORD dwThreadID;
m_hThread = CreateThread(NULL,
0,
propagateBufferForever,
0,
0,
&dwThreadID);
if(!m_hThread)
{
DWORD dwErr = GetLastError();
return HRESULT_FROM_WIN32(dwErr);
} else {
// we...shouldn't need this...maybe?
// seems to make no difference...
hr = SetThreadPriority(m_hThread, THREAD_PRIORITY_TIME_CRITICAL);
if (FAILED(hr)) { // of course we always want to be a high prio thread, right? [we don't use much cpu...]
return hr;
}
}
return hr;
} // end LoopbackCaptureSetup
/** create a new driver instance
*/
static jack_driver_t *coreaudio_driver_new(char* name,
jack_client_t* client,
jack_nframes_t nframes,
jack_nframes_t samplerate,
int capturing,
int playing,
int inchannels,
int outchannels,
char* capture_driver_uid,
char* playback_driver_uid,
jack_nframes_t capture_latency,
jack_nframes_t playback_latency)
{
coreaudio_driver_t *driver;
OSStatus err = noErr;
ComponentResult err1;
UInt32 outSize;
UInt32 enableIO;
AudioStreamBasicDescription srcFormat, dstFormat;
Float64 sampleRate;
int in_nChannels = 0;
int out_nChannels = 0;
int i;
driver = (coreaudio_driver_t *) calloc(1, sizeof(coreaudio_driver_t));
jack_driver_init((jack_driver_t *) driver);
if (!jack_power_of_two(nframes)) {
jack_error("CA: -p must be a power of two.");
goto error;
}
driver->state = 0;
driver->frames_per_cycle = nframes;
driver->frame_rate = samplerate;
driver->capturing = capturing;
driver->playing = playing;
driver->xrun_detected = 0;
driver->null_cycle = 0;
driver->attach = (JackDriverAttachFunction) coreaudio_driver_attach;
driver->detach = (JackDriverDetachFunction) coreaudio_driver_detach;
driver->read = (JackDriverReadFunction) coreaudio_driver_read;
driver->write = (JackDriverReadFunction) coreaudio_driver_write;
driver->null_cycle =
(JackDriverNullCycleFunction) coreaudio_driver_null_cycle;
driver->bufsize = (JackDriverBufSizeFunction) coreaudio_driver_bufsize;
driver->start = (JackDriverStartFunction) coreaudio_driver_audio_start;
driver->stop = (JackDriverStopFunction) coreaudio_driver_audio_stop;
driver->capture_frame_latency = capture_latency;
driver->playback_frame_latency = playback_latency;
// Duplex
if (strcmp(capture_driver_uid, "") != 0 && strcmp(playback_driver_uid, "") != 0) {
JCALog("Open duplex \n");
if (get_device_id_from_uid(playback_driver_uid, &driver->device_id) != noErr) {
if (get_default_device(&driver->device_id) != noErr) {
jack_error("Cannot open default device");
goto error;
}
}
if (get_device_name_from_id(driver->device_id, driver->capture_driver_name) != noErr || get_device_name_from_id(driver->device_id, driver->playback_driver_name) != noErr) {
jack_error("Cannot get device name from device ID");
goto error;
}
// Capture only
} else if (strcmp(capture_driver_uid, "") != 0) {
JCALog("Open capture only \n");
if (get_device_id_from_uid(capture_driver_uid, &driver->device_id) != noErr) {
if (get_default_input_device(&driver->device_id) != noErr) {
jack_error("Cannot open default device");
goto error;
}
}
if (get_device_name_from_id(driver->device_id, driver->capture_driver_name) != noErr) {
jack_error("Cannot get device name from device ID");
goto error;
}
// Playback only
} else if (playback_driver_uid != NULL) {
JCALog("Open playback only \n");
if (get_device_id_from_uid(playback_driver_uid, &driver->device_id) != noErr) {
if (get_default_output_device(&driver->device_id) != noErr) {
jack_error("Cannot open default device");
goto error;
}
}
if (get_device_name_from_id(driver->device_id, driver->playback_driver_name) != noErr) {
jack_error("Cannot get device name from device ID");
goto error;
}
// Use default driver in duplex mode
} else {
JCALog("Open default driver \n");
if (get_default_device(&driver->device_id) != noErr) {
jack_error("Cannot open default device");
goto error;
}
if (get_device_name_from_id(driver->device_id, driver->capture_driver_name) != noErr || get_device_name_from_id(driver->device_id, driver->playback_driver_name) != noErr) {
jack_error("Cannot get device name from device ID");
goto error;
}
}
driver->client = client;
driver->period_usecs =
(((float) driver->frames_per_cycle) / driver->frame_rate) *
1000000.0f;
if (capturing) {
err = get_total_channels(driver->device_id, &in_nChannels, true);
if (err != noErr) {
jack_error("Cannot get input channel number");
printError(err);
goto error;
}
}
if (playing) {
err = get_total_channels(driver->device_id, &out_nChannels, false);
if (err != noErr) {
jack_error("Cannot get output channel number");
printError(err);
goto error;
}
}
if (inchannels > in_nChannels) {
jack_error("This device hasn't required input channels inchannels = %ld in_nChannels = %ld", inchannels, in_nChannels);
goto error;
}
if (outchannels > out_nChannels) {
jack_error("This device hasn't required output channels outchannels = %ld out_nChannels = %ld", outchannels, out_nChannels);
goto error;
}
if (inchannels == 0) {
JCALog("Setup max in channels = %ld\n", in_nChannels);
inchannels = in_nChannels;
}
if (outchannels == 0) {
JCALog("Setup max out channels = %ld\n", out_nChannels);
outchannels = out_nChannels;
}
// Setting buffer size
outSize = sizeof(UInt32);
err = AudioDeviceSetProperty(driver->device_id, NULL, 0, false, kAudioDevicePropertyBufferFrameSize, outSize, &nframes);
if (err != noErr) {
jack_error("Cannot set buffer size %ld", nframes);
printError(err);
goto error;
}
// Set sample rate
outSize = sizeof(Float64);
err = AudioDeviceGetProperty(driver->device_id, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, &outSize, &sampleRate);
if (err != noErr) {
jack_error("Cannot get current sample rate");
printError(err);
goto error;
}
if (samplerate != (jack_nframes_t)sampleRate) {
sampleRate = (Float64)samplerate;
// To get SR change notification
err = AudioDeviceAddPropertyListener(driver->device_id, 0, true, kAudioDevicePropertyNominalSampleRate, sr_notification, driver);
if (err != noErr) {
jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyNominalSampleRate");
printError(err);
return -1;
}
err = AudioDeviceSetProperty(driver->device_id, NULL, 0, kAudioDeviceSectionGlobal, kAudioDevicePropertyNominalSampleRate, outSize, &sampleRate);
if (err != noErr) {
jack_error("Cannot set sample rate = %ld", samplerate);
printError(err);
return -1;
}
// Waiting for SR change notification
int count = 0;
while (!driver->state && count++ < 100) {
usleep(100000);
JCALog("Wait count = %ld\n", count);
}
// Remove SR change notification
AudioDeviceRemovePropertyListener(driver->device_id, 0, true, kAudioDevicePropertyNominalSampleRate, sr_notification);
}
// AUHAL
ComponentDescription cd = {kAudioUnitType_Output, kAudioUnitSubType_HALOutput, kAudioUnitManufacturer_Apple, 0, 0};
Component HALOutput = FindNextComponent(NULL, &cd);
err1 = OpenAComponent(HALOutput, &driver->au_hal);
if (err1 != noErr) {
jack_error("Error calling OpenAComponent");
printError(err1);
goto error;
}
err1 = AudioUnitInitialize(driver->au_hal);
if (err1 != noErr) {
jack_error("Cannot initialize AUHAL unit");
printError(err1);
goto error;
}
// Start I/O
enableIO = 1;
if (capturing && inchannels > 0) {
JCALog("Setup AUHAL input\n");
err1 = AudioUnitSetProperty(driver->au_hal, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, 1, &enableIO, sizeof(enableIO));
if (err1 != noErr) {
jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input");
printError(err1);
goto error;
}
}
if (playing && outchannels > 0) {
JCALog("Setup AUHAL output\n");
err1 = AudioUnitSetProperty(driver->au_hal, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output, 0, &enableIO, sizeof(enableIO));
if (err1 != noErr) {
jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_EnableIO,kAudioUnitScope_Output");
printError(err1);
goto error;
}
}
// Setup up choosen device, in both input and output cases
err1 = AudioUnitSetProperty(driver->au_hal, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &driver->device_id, sizeof(AudioDeviceID));
if (err1 != noErr) {
jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_CurrentDevice");
printError(err1);
goto error;
}
// Set buffer size
if (capturing && inchannels > 0) {
err1 = AudioUnitSetProperty(driver->au_hal, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, 1, (UInt32*)&nframes, sizeof(UInt32));
if (err1 != noErr) {
jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_MaximumFramesPerSlice");
printError(err1);
goto error;
}
}
if (playing && outchannels > 0) {
err1 = AudioUnitSetProperty(driver->au_hal, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, 0, (UInt32*)&nframes, sizeof(UInt32));
if (err1 != noErr) {
jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_MaximumFramesPerSlice");
printError(err1);
goto error;
}
}
// Setup channel map
if (capturing && inchannels > 0 && inchannels < in_nChannels) {
SInt32 chanArr[in_nChannels];
for (i = 0; i < in_nChannels; i++) {
chanArr[i] = -1;
}
for (i = 0; i < inchannels; i++) {
chanArr[i] = i;
}
AudioUnitSetProperty(driver->au_hal, kAudioOutputUnitProperty_ChannelMap , kAudioUnitScope_Input, 1, chanArr, sizeof(SInt32) * in_nChannels);
if (err1 != noErr) {
jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_ChannelMap 1");
printError(err1);
}
}
if (playing && outchannels > 0 && outchannels < out_nChannels) {
SInt32 chanArr[out_nChannels];
for (i = 0; i < out_nChannels; i++) {
chanArr[i] = -1;
}
for (i = 0; i < outchannels; i++) {
chanArr[i] = i;
}
err1 = AudioUnitSetProperty(driver->au_hal, kAudioOutputUnitProperty_ChannelMap, kAudioUnitScope_Output, 0, chanArr, sizeof(SInt32) * out_nChannels);
if (err1 != noErr) {
jack_error("Error calling AudioUnitSetProperty - kAudioOutputUnitProperty_ChannelMap 0");
printError(err1);
}
}
// Setup stream converters
srcFormat.mSampleRate = samplerate;
srcFormat.mFormatID = kAudioFormatLinearPCM;
srcFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;
srcFormat.mBytesPerPacket = sizeof(float);
srcFormat.mFramesPerPacket = 1;
srcFormat.mBytesPerFrame = sizeof(float);
srcFormat.mChannelsPerFrame = outchannels;
srcFormat.mBitsPerChannel = 32;
err1 = AudioUnitSetProperty(driver->au_hal, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &srcFormat, sizeof(AudioStreamBasicDescription));
if (err1 != noErr) {
jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Input");
printError(err1);
}
dstFormat.mSampleRate = samplerate;
dstFormat.mFormatID = kAudioFormatLinearPCM;
dstFormat.mFormatFlags = kAudioFormatFlagsNativeFloatPacked | kLinearPCMFormatFlagIsNonInterleaved;
dstFormat.mBytesPerPacket = sizeof(float);
dstFormat.mFramesPerPacket = 1;
dstFormat.mBytesPerFrame = sizeof(float);
dstFormat.mChannelsPerFrame = inchannels;
dstFormat.mBitsPerChannel = 32;
err1 = AudioUnitSetProperty(driver->au_hal, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, 1, &dstFormat, sizeof(AudioStreamBasicDescription));
if (err1 != noErr) {
jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_StreamFormat kAudioUnitScope_Output");
printError(err1);
}
// Setup callbacks
if (inchannels > 0 && outchannels == 0) {
AURenderCallbackStruct output;
output.inputProc = render_input;
output.inputProcRefCon = driver;
err1 = AudioUnitSetProperty(driver->au_hal, kAudioOutputUnitProperty_SetInputCallback, kAudioUnitScope_Global, 0, &output, sizeof(output));
if (err1 != noErr) {
jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_SetRenderCallback 1");
printError(err1);
goto error;
}
} else {
AURenderCallbackStruct output;
output.inputProc = render;
output.inputProcRefCon = driver;
err1 = AudioUnitSetProperty(driver->au_hal, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input, 0, &output, sizeof(output));
if (err1 != noErr) {
jack_error("Error calling AudioUnitSetProperty - kAudioUnitProperty_SetRenderCallback 0");
printError(err1);
goto error;
}
}
if (capturing && inchannels > 0) {
driver->input_list = (AudioBufferList*)malloc(sizeof(UInt32) + inchannels * sizeof(AudioBuffer));
if (driver->input_list == 0)
goto error;
driver->input_list->mNumberBuffers = inchannels;
// Prepare buffers
for (i = 0; i < driver->capture_nchannels; i++) {
driver->input_list->mBuffers[i].mNumberChannels = 1;
driver->input_list->mBuffers[i].mDataByteSize = nframes * sizeof(float);
}
}
err = AudioDeviceAddPropertyListener(driver->device_id, 0, true, kAudioDeviceProcessorOverload, notification, driver);
if (err != noErr) {
jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDeviceProcessorOverload");
goto error;
}
err = AudioDeviceAddPropertyListener(driver->device_id, 0, true, kAudioDevicePropertyNominalSampleRate, notification, driver);
if (err != noErr) {
jack_error("Error calling AudioDeviceAddPropertyListener with kAudioDevicePropertyNominalSampleRate");
goto error;
}
driver->playback_nchannels = outchannels;
driver->capture_nchannels = inchannels;
return ((jack_driver_t *) driver);
error:
AudioUnitUninitialize(driver->au_hal);
CloseComponent(driver->au_hal);
jack_error("Cannot open the coreaudio driver");
free(driver);
return NULL;
}