ASCEE/lasp
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From now on build default LASP with Portaudio backend. Also on Linux. Code cleanup of Portaudio glue code
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This commit is contained in:
Anne de Jong 2024-01-20 11:52:16 +01:00
parent 292a9d5938
commit 08010e56dd
3 changed files with 130 additions and 64 deletions
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166
cpp_src/device/portaudio/lasp_portaudiodaq.cpp
View File

@ -15,9 +15,11 @@ using std::endl;
using std::string;
using std::to_string;
inline void throwIfError(PaError e) {
inline void throwIfError(PaError e)
{
DEBUGTRACE_ENTER;
if (e != paNoError) {
if (e != paNoError)
{
throw rte(string("PortAudio backend error: ") + Pa_GetErrorText(e));
}
}
@ -25,21 +27,25 @@ inline void throwIfError(PaError e) {
/**
* @brief Device info, plus PortAudio stuff
*/
class OurPaDeviceInfo : public DeviceInfo {
class OurPaDeviceInfo : public DeviceInfo
{
public:
/**
* @brief Store instance to PaDeviceInfo.
*/
PaDeviceInfo _paDevInfo;
virtual std::unique_ptr<DeviceInfo> clone() const override final {
virtual std::unique_ptr<DeviceInfo> clone() const override final
{
return std::make_unique<OurPaDeviceInfo>(*this);
}
};
void fillPortAudioDeviceInfo(DeviceInfoList &devinfolist) {
void fillPortAudioDeviceInfo(DeviceInfoList &devinfolist)
{
DEBUGTRACE_ENTER;
try {
try
{
PaError err = Pa_Initialize();
/// PortAudio says that Pa_Terminate() should not be called whenever there
@ -47,24 +53,27 @@ void fillPortAudioDeviceInfo(DeviceInfoList &devinfolist) {
/// of PortAudio show.
throwIfError(err);
auto fin = gsl::finally([&err] {
auto fin = gsl::finally([&err]
{
DEBUGTRACE_PRINT("Terminating PortAudio instance");
err = Pa_Terminate();
if (err != paNoError) {
cerr << "Error terminating PortAudio. Do not know what to do." << endl;
}
});
} });
/* const PaDeviceInfo *deviceInfo; */
const int numDevices = Pa_GetDeviceCount();
if (numDevices < 0) {
if (numDevices < 0)
{
throw rte("PortAudio could not find any devices");
}
for (us i = 0; i < (us)numDevices; i++) {
for (us i = 0; i < (us)numDevices; i++)
{
/* DEBUGTRACE_PRINT(i); */
const PaDeviceInfo *deviceInfo = Pa_GetDeviceInfo(i);
if (!deviceInfo) {
if (!deviceInfo)
{
throw rte("No device info struct returned");
}
OurPaDeviceInfo d;
@ -100,7 +109,8 @@ void fillPortAudioDeviceInfo(DeviceInfoList &devinfolist) {
}
}
catch (rte &e) {
catch (rte &e)
{
cerr << "PortAudio backend error: " << e.what() << std::endl;
return;
}
@ -125,7 +135,8 @@ static int rawPaCallback(const void *inputBuffer, void *outputBuffer,
const PaStreamCallbackTimeInfo *timeInfo,
PaStreamCallbackFlags statusFlags, void *userData);
class PortAudioDaq : public Daq {
class PortAudioDaq : public Daq
{
bool _shouldPaTerminate = false;
PaStream *_stream = nullptr;
std::atomic<StreamStatus::StreamError> _streamError =
@ -162,11 +173,13 @@ public:
};
std::unique_ptr<Daq> createPortAudioDevice(const DeviceInfo &devinfo,
const DaqConfiguration &config) {
const DaqConfiguration &config)
{
const OurPaDeviceInfo *_info =
dynamic_cast<const OurPaDeviceInfo *>(&devinfo);
if (_info == nullptr) {
if (_info == nullptr)
{
throw rte("BUG: Could not cast DeviceInfo to OurPaDeviceInfo");
}
return std::make_unique<PortAudioDaq>(*_info, config);
@ -175,14 +188,16 @@ std::unique_ptr<Daq> createPortAudioDevice(const DeviceInfo &devinfo,
static int rawPaCallback(const void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
const PaStreamCallbackTimeInfo *timeInfo,
PaStreamCallbackFlags statusFlags, void *userData) {
PaStreamCallbackFlags statusFlags, void *userData)
{
return static_cast<PortAudioDaq *>(userData)->memberPaCallback(
inputBuffer, outputBuffer, framesPerBuffer, timeInfo, statusFlags);
}
PortAudioDaq::PortAudioDaq(const OurPaDeviceInfo &devinfo_gen,
const DaqConfiguration &config)
: Daq(devinfo_gen, config) {
: Daq(devinfo_gen, config)
{
DEBUGTRACE_ENTER;
PaError err = Pa_Initialize();
@ -198,11 +213,13 @@ PortAudioDaq::PortAudioDaq(const OurPaDeviceInfo &devinfo_gen,
// Going to find the device in the list. If its there, we have to retrieve
// the index, as this is required in the PaStreamParameters struct
int devindex = -1;
for (int i = 0; i < Pa_GetDeviceCount(); i++) {
for (int i = 0; i < Pa_GetDeviceCount(); i++)
{
// DEBUGTRACE_PRINT(i);
bool ok = true;
const PaDeviceInfo *info = Pa_GetDeviceInfo(i);
if (!info) {
if (!info)
{
throw rte("No device structure returned from PortAudio");
}
ok &= string(info->name) == devinfo_gen.device_name;
@ -211,11 +228,13 @@ PortAudioDaq::PortAudioDaq(const OurPaDeviceInfo &devinfo_gen,
ok &= info->maxOutputChannels == devinfo_gen._paDevInfo.maxOutputChannels;
ok &= info->defaultSampleRate == devinfo_gen._paDevInfo.defaultSampleRate;
if (ok) {
if (ok)
{
devindex = i;
}
}
if (devindex < 0) {
if (devindex < 0)
{
throw rte(string("Device not found: ") + string(devinfo_gen.device_name));
}
@ -223,7 +242,8 @@ PortAudioDaq::PortAudioDaq(const OurPaDeviceInfo &devinfo_gen,
const Dtype dtype = dataType();
// Sample format is bit flag
PaSampleFormat format = paNonInterleaved;
switch (dtype) {
switch (dtype)
{
case Dtype::dtype_fl32:
DEBUGTRACE_PRINT("Datatype float32");
format |= paFloat32;
@ -252,18 +272,20 @@ PortAudioDaq::PortAudioDaq(const OurPaDeviceInfo &devinfo_gen,
std::unique_ptr<PaStreamParameters> instreamParams;
std::unique_ptr<PaStreamParameters> outstreamParams;
if (neninchannels() > 0) {
if (neninchannels() > 0)
{
instreamParams = std::make_unique<PaStreamParameters>(
PaStreamParameters({.device = devindex,
.channelCount = (int)neninchannels(),
.channelCount = (int)getHighestEnabledInChannel() + 1,
.sampleFormat = format,
.suggestedLatency = framesPerBlock() / samplerate(),
.hostApiSpecificStreamInfo = nullptr}));
}
if (nenoutchannels() > 0) {
if (nenoutchannels() > 0)
{
outstreamParams = std::make_unique<PaStreamParameters>(
PaStreamParameters({.device = devindex,
.channelCount = (int)nenoutchannels(),
.channelCount = (int)getHighestEnabledOutChannel() + 1,
.sampleFormat = format,
.suggestedLatency = framesPerBlock() / samplerate(),
.hostApiSpecificStreamInfo = nullptr}));
@ -284,21 +306,26 @@ PortAudioDaq::PortAudioDaq(const OurPaDeviceInfo &devinfo_gen,
throwIfError(err);
}
void PortAudioDaq::start(InDaqCallback inCallback, OutDaqCallback outCallback) {
void PortAudioDaq::start(InDaqCallback inCallback, OutDaqCallback outCallback)
{
DEBUGTRACE_ENTER;
assert(_stream);
if (Pa_IsStreamActive(_stream)) {
if (Pa_IsStreamActive(_stream))
{
throw rte("Stream is already running");
}
// Logical XOR
if (inCallback && outCallback) {
if (inCallback && outCallback)
{
throw rte("Either input or output stream possible for RtAudio. "
"Stream duplex mode not provided.");
}
if (neninchannels() > 0) {
if (!inCallback) {
if (neninchannels() > 0)
{
if (!inCallback)
{
throw rte(
"Input callback given, but stream does not provide input data");
@ -306,8 +333,10 @@ void PortAudioDaq::start(InDaqCallback inCallback, OutDaqCallback outCallback) {
_incallback = inCallback;
}
if (nenoutchannels() > 0) {
if (!outCallback) {
if (nenoutchannels() > 0)
{
if (!outCallback)
{
throw rte(
"Output callback given, but stream does not provide output data");
}
@ -317,46 +346,57 @@ void PortAudioDaq::start(InDaqCallback inCallback, OutDaqCallback outCallback) {
PaError err = Pa_StartStream(_stream);
throwIfError(err);
}
void PortAudioDaq::stop() {
void PortAudioDaq::stop()
{
DEBUGTRACE_ENTER;
assert(_stream);
if (Pa_IsStreamStopped(_stream)) {
if (Pa_IsStreamStopped(_stream))
{
throw rte("Stream is already stopped");
}
PaError err = Pa_StopStream(_stream);
throwIfError(err);
}
Daq::StreamStatus PortAudioDaq::getStreamStatus() const {
Daq::StreamStatus PortAudioDaq::getStreamStatus() const
{
Daq::StreamStatus status;
// Copy over atomic flag.
status.errorType = _streamError;
// Check if stream is still running.
if (_stream) {
if (Pa_IsStreamActive(_stream)) {
if (_stream)
{
if (Pa_IsStreamActive(_stream))
{
status.isRunning = true;
}
}
return status;
}
PortAudioDaq::~PortAudioDaq() {
PortAudioDaq::~PortAudioDaq()
{
PaError err;
if (_stream) {
if (Pa_IsStreamActive(_stream)) {
if (_stream)
{
if (Pa_IsStreamActive(_stream))
{
stop();
}
err = Pa_CloseStream(_stream);
_stream = nullptr;
if (err != paNoError) {
if (err != paNoError)
{
cerr << "Error closing PortAudio stream. Do not know what to do." << endl;
}
assert(_shouldPaTerminate);
}
if (_shouldPaTerminate) {
if (_shouldPaTerminate)
{
err = Pa_Terminate();
if (err != paNoError) {
if (err != paNoError)
{
cerr << "Error terminating PortAudio. Do not know what to do." << endl;
}
}
@ -364,23 +404,28 @@ PortAudioDaq::~PortAudioDaq() {
int PortAudioDaq::memberPaCallback(const void *inputBuffer, void *outputBuffer,
unsigned long framesPerBuffer,
const PaStreamCallbackTimeInfo *timeInfo,
PaStreamCallbackFlags statusFlags) {
PaStreamCallbackFlags statusFlags)
{
DEBUGTRACE_ENTER;
typedef Daq::StreamStatus::StreamError se;
if (statusFlags & paPrimingOutput) {
if (statusFlags & paPrimingOutput)
{
// Initial output buffers generated. So nothing with input yet
return paContinue;
}
if ((statusFlags & paInputUnderflow) || (statusFlags & paInputOverflow)) {
if ((statusFlags & paInputUnderflow) || (statusFlags & paInputOverflow))
{
_streamError = se::inputXRun;
return paAbort;
}
if ((statusFlags & paOutputUnderflow) || (statusFlags & paOutputOverflow)) {
if ((statusFlags & paOutputUnderflow) || (statusFlags & paOutputOverflow))
{
_streamError = se::outputXRun;
return paAbort;
}
if (framesPerBuffer != framesPerBlock()) {
if (framesPerBuffer != framesPerBlock())
{
cerr << "Logic error: expected a block size of: " << framesPerBlock()
<< endl;
_streamError = se::logicError;
@ -392,7 +437,8 @@ int PortAudioDaq::memberPaCallback(const void *inputBuffer, void *outputBuffer,
const auto &dtype_descr = dtypeDescr();
const auto dtype = dataType();
const us sw = dtype_descr.sw;
if (inputBuffer) {
if (inputBuffer)
{
assert(_incallback);
std::vector<byte_t *> ptrs;
ptrs.reserve(neninchannels);
@ -404,8 +450,10 @@ int PortAudioDaq::memberPaCallback(const void *inputBuffer, void *outputBuffer,
/// Only pass on the pointers of the channels we want. inputBuffer is
/// noninterleaved, as specified in PortAudioDaq constructor.
for (us ch = ch_min; ch <= ch_max; ch++) {
if (inchannel_config.at(ch).enabled) {
for (us ch = ch_min; ch <= ch_max; ch++)
{
if (inchannel_config.at(ch).enabled)
{
byte_t *ch_ptr =
reinterpret_cast<byte_t **>(const_cast<void *>(inputBuffer))[ch];
ptrs.push_back(ch_ptr);
@ -417,7 +465,8 @@ int PortAudioDaq::memberPaCallback(const void *inputBuffer, void *outputBuffer,
_incallback(d);
}
if (outputBuffer) {
if (outputBuffer)
{
assert(_outcallback);
std::vector<byte_t *> ptrs;
ptrs.reserve(nenoutchannels);
@ -429,8 +478,10 @@ int PortAudioDaq::memberPaCallback(const void *inputBuffer, void *outputBuffer,
assert(ch_min < noutchannels);
assert(ch_max < noutchannels);
/// Only pass on the pointers of the channels we want
for (us ch = ch_min; ch <= ch_max; ch++) {
if (outchannel_config.at(ch).enabled) {
for (us ch = ch_min; ch <= ch_max; ch++)
{
if (outchannel_config.at(ch).enabled)
{
byte_t *ch_ptr = reinterpret_cast<byte_t **>(outputBuffer)[ch];
ptrs.push_back(ch_ptr);
}
@ -440,7 +491,8 @@ int PortAudioDaq::memberPaCallback(const void *inputBuffer, void *outputBuffer,
_outcallback(d);
// Copy over the buffer
us j = 0;
for (auto ptr : ptrs) {
for (auto ptr : ptrs)
{
d.copyToRaw(j, ptr);
j++;
}

24
pyproject.toml
View File

@ -22,23 +22,37 @@ classifiers = [
]
urls = { "Documentation" = "https://lasp.ascee.nl" }
dependencies = ["scipy", "numpy", "matplotlib>=3.7.2", "appdirs",
"dataclasses_json", "h5py"]
dependencies = [
"scipy",
"numpy",
"matplotlib>=3.7.2",
"appdirs",
"dataclasses_json",
"h5py",
]
[build-system] # How pip and other frontends should build this project
requires = ["py-build-cmake~=0.1.8", "pybind11" ]
requires = ["py-build-cmake~=0.1.8", "pybind11"]
build-backend = "py_build_cmake.build"
[tool.py-build-cmake.module] # Where to find the Python module to package
directory = "python_src"
[tool.py-build-cmake.sdist] # What to include in source distributions
include = ["CMakeLists.txt", "cmake", "cpp_src", "python_src", "img", "scripts",
"third_party"]
include = [
"CMakeLists.txt",
"cmake",
"cpp_src",
"python_src",
"img",
"scripts",
"third_party",
]
[tool.py-build-cmake.cmake] # How to build the CMake project
build_type = "Release"
source_path = "."
options = { "LASP_HAS_PORTAUDIO" = "ON", "LASP_HAS_RTAUDIO" = "OFF" }
build_args = ["-j12"]
install_components = ["python_modules"]

2
third_party/rtaudio vendored

@ -1 +1 @@
Subproject commit b4f04903312e0e0efffbe77655172e0f060dc085
Subproject commit 46b01b5b134f33d8ddc3dab76829d4b1350e0522