audio-river/river/io/NodePortAudio.cpp
2015-03-03 23:17:43 +01:00

148 lines
6.2 KiB
C++

/** @file
* @author Edouard DUPIN
* @copyright 2015, Edouard DUPIN, all right reserved
* @license APACHE v2.0 (see license file)
*/
#ifdef __PORTAUDIO_INFERFACE__
#include <river/io/NodePortAudio.h>
#include <river/debug.h>
#include <etk/memory.h>
#undef __class__
#define __class__ "io::NodePortAudio"
static std::string asString(const std11::chrono::system_clock::time_point& tp) {
// convert to system time:
std::time_t t = std11::chrono::system_clock::to_time_t(tp);
// convert in human string
std::string ts = std::ctime(&t);
// remove \n
ts.resize(ts.size()-1);
return ts;
}
static int portAudioStreamCallback(const void *_input,
void *_output,
unsigned long _frameCount,
const PaStreamCallbackTimeInfo* _timeInfo,
PaStreamCallbackFlags _statusFlags,
void *_userData) {
river::io::NodePortAudio* myClass = reinterpret_cast<river::io::NodePortAudio*>(_userData);
int64_t sec = int64_t(_timeInfo->inputBufferAdcTime);
int64_t nsec = (_timeInfo->inputBufferAdcTime-double(sec))*1000000000LL;
std11::chrono::system_clock::time_point timeInput = std11::chrono::system_clock::from_time_t(sec) + std11::chrono::nanoseconds(nsec);
sec = int64_t(_timeInfo->outputBufferDacTime);
nsec = (_timeInfo->outputBufferDacTime-double(sec))*1000000000LL;
std11::chrono::system_clock::time_point timeOutput = std11::chrono::system_clock::from_time_t(sec) + std11::chrono::nanoseconds(nsec);
return myClass->duplexCallback(_input,
timeInput,
_output,
timeOutput,
_frameCount,
_statusFlags);
}
int32_t river::io::NodePortAudio::duplexCallback(const void* _inputBuffer,
const std11::chrono::system_clock::time_point& _timeInput,
void* _outputBuffer,
const std11::chrono::system_clock::time_point& _timeOutput,
uint32_t _nbChunk,
PaStreamCallbackFlags _status) {
std11::unique_lock<std11::mutex> lock(m_mutex);
// TODO : Manage status ...
if (_inputBuffer != nullptr) {
RIVER_VERBOSE("data Input size request :" << _nbChunk << " [BEGIN] status=" << _status << " nbIO=" << m_list.size());
newInput(_inputBuffer, _nbChunk, _timeInput);
}
if (_outputBuffer != nullptr) {
RIVER_VERBOSE("data Output size request :" << _nbChunk << " [BEGIN] status=" << _status << " nbIO=" << m_list.size());
newOutput(_outputBuffer, _nbChunk, _timeOutput);
}
return 0;
}
std11::shared_ptr<river::io::NodePortAudio> river::io::NodePortAudio::create(const std::string& _name, const std11::shared_ptr<const ejson::Object>& _config) {
return std11::shared_ptr<river::io::NodePortAudio>(new river::io::NodePortAudio(_name, _config));
}
river::io::NodePortAudio::NodePortAudio(const std::string& _name, const std11::shared_ptr<const ejson::Object>& _config) :
Node(_name, _config) {
drain::IOFormatInterface interfaceFormat = getInterfaceFormat();
drain::IOFormatInterface hardwareFormat = getHarwareFormat();
/**
map-on:{ # select hardware interface and name
interface:"alsa", # interface : "alsa", "pulse", "core", ...
name:"default", # name of the interface
},
nb-chunk:1024 # number of chunk to open device (create the latency anf the frequency to call user)
*/
enum airtaudio::type typeInterface = airtaudio::type_undefined;
std::string streamName = "default";
const std11::shared_ptr<const ejson::Object> tmpObject = m_config->getObject("map-on");
if (tmpObject == nullptr) {
RIVER_WARNING("missing node : 'map-on' ==> auto map : 'auto:default'");
} else {
std::string value = tmpObject->getStringValue("interface", "default");
typeInterface = airtaudio::getTypeFromString(value);
streamName = tmpObject->getStringValue("name", "default");
}
int32_t nbChunk = m_config->getNumberValue("nb-chunk", 1024);
PaError err = 0;
if (m_isInput == true) {
err = Pa_OpenDefaultStream(&m_stream,
hardwareFormat.getMap().size(),
0,
paInt16,
hardwareFormat.getFrequency(),
nbChunk,
&portAudioStreamCallback,
this);
} else {
err = Pa_OpenDefaultStream(&m_stream,
0,
hardwareFormat.getMap().size(),
paInt16,
hardwareFormat.getFrequency(),
nbChunk,
&portAudioStreamCallback,
this);
}
if( err != paNoError ) {
RIVER_ERROR("Can not create Stream : '" << m_name << "' mode=" << (m_isInput?"input":"output") << " err : " << Pa_GetErrorText(err));
}
m_process.updateInterAlgo();
}
river::io::NodePortAudio::~NodePortAudio() {
std11::unique_lock<std11::mutex> lock(m_mutex);
RIVER_INFO("close input stream");
PaError err = Pa_CloseStream( m_stream );
if( err != paNoError ) {
RIVER_ERROR("Remove stream : '" << m_name << "' mode=" << (m_isInput?"input":"output") << " can not Remove stream ... " << Pa_GetErrorText(err));
}
};
void river::io::NodePortAudio::start() {
std11::unique_lock<std11::mutex> lock(m_mutex);
RIVER_INFO("Start stream : '" << m_name << "' mode=" << (m_isInput?"input":"output") );
PaError err = Pa_StartStream(m_stream);
if( err != paNoError ) {
RIVER_ERROR("Start stream : '" << m_name << "' mode=" << (m_isInput?"input":"output") << " can not start stream ... " << Pa_GetErrorText(err));
}
}
void river::io::NodePortAudio::stop() {
std11::unique_lock<std11::mutex> lock(m_mutex);
RIVER_INFO("Stop stream : '" << m_name << "' mode=" << (m_isInput?"input":"output") );
PaError err = Pa_StopStream(m_stream);
if( err != paNoError ) {
RIVER_ERROR("Start stream : '" << m_name << "' mode=" << (m_isInput?"input":"output") << " can not stop stream ... " << Pa_GetErrorText(err));
}
}
#endif