musicdsp/audio-river
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[DEV] add capacity of example

Browse Source
This commit is contained in:
Edouard DUPIN 2015-05-12 21:49:16 +02:00
parent f2f57d4081
commit 2071cf1c46
1 changed files with 51 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
sample/read/main.cpp
View File

@ -7,6 +7,7 @@
#include <audio/river/river.h>
#include <audio/river/Manager.h>
#include <audio/river/Interface.h>
#include <etk/os/FSNode.h>
#include <etk/etk.h>
#include <unistd.h>
@ -26,38 +27,66 @@ static const std::string configurationRiver =
" }\n"
"}\n";
void onDataReceived(const void* _data,
const audio::Time& _time,
size_t _nbChunk,
enum audio::format _format,
uint32_t _frequency,
const std::vector<audio::channel>& _map) {
const std::vector<audio::channel>& _map,
etk::FSNode* _outputNode) {
if (_format != audio::format_int16) {
std::cout << "[ERROR] call wrong type ... (need int16_t)" << std::endl;
}
const int16_t* data = static_cast<const int16_t*>(_data);
int64_t value = 0;
for (size_t iii=0; iii<_nbChunk*_map.size(); ++iii) {
value += std::abs(data[iii]);
if (_outputNode->fileIsOpen() == false) {
// get the curent power of the signal.
const int16_t* data = static_cast<const int16_t*>(_data);
int64_t value = 0;
for (size_t iii=0; iii<_nbChunk*_map.size(); ++iii) {
value += std::abs(data[iii]);
}
value /= (_nbChunk*_map.size());
std::cout << "Get data ... average=" << int32_t(value) << std::endl;
} else {
// just write data
std::cout << "Get data ... chunks=" << _nbChunk << " time=" << _time << std::endl;
_outputNode->fileWrite(_data, _map.size()*audio::getFormatBytes(_format), _nbChunk);
}
value /= (_nbChunk*_map.size());
std::cout << "Get data ... average=" << int32_t(value) << std::endl;
}
int main(int _argc, const char **_argv) {
// the only one init for etk:
etk::init(_argc, _argv);
// local parameter:
std::string configFile;
std::string ioName="microphone";
std::string outputFileName = "";
for (int32_t iii=0; iii<_argc ; ++iii) {
std::string data = _argv[iii];
if ( data == "-h"
|| data == "--help") {
std::cout << "Help : " << std::endl;
std::cout << " ./xxx ---" << std::endl;
std::cout << " --conf=xxx.json Input/output configuration" << std::endl;
std::cout << " --io=xxx name configuration input" << std::endl;
std::cout << " --file=yyy.raw File name to store data" << std::endl;
exit(0);
} else if (etk::start_with(data, "--conf=") == true) {
configFile = std::string(data.begin()+7, data.end());
std::cout << "Select config: " << configFile << std::endl;
} else if (etk::start_with(data, "--io=") == true) {
ioName = std::string(data.begin()+5, data.end());
std::cout << "Select io: " << ioName << std::endl;
} else if (etk::start_with(data, "--file=") == true) {
outputFileName = std::string(data.begin()+7, data.end());
std::cout << "Select output file name: " << outputFileName << std::endl;
}
}
// initialize river interface
audio::river::initString(configurationRiver);
if (configFile == "") {
audio::river::initString(configurationRiver);
} else {
audio::river::init(configFile);
}
// Create the River manager for tha application or part of the application.
std11::shared_ptr<audio::river::Manager> manager = audio::river::Manager::create("river_sample_read");
// create interface:
@ -66,11 +95,17 @@ int main(int _argc, const char **_argv) {
interface = manager->createInput(48000,
std::vector<audio::channel>(),
audio::format_int16,
"microphone");
ioName);
if(interface == nullptr) {
std::cout << "nullptr interface" << std::endl;
return -1;
}
etk::FSNode outputNode;
// open output file if needed:
if (outputFileName != "") {
outputNode.setName(outputFileName);
outputNode.fileOpenWrite();
}
// set callback mode ...
interface->setInputCallback(std11::bind(&onDataReceived,
std11::placeholders::_1,
@ -78,7 +113,8 @@ int main(int _argc, const char **_argv) {
std11::placeholders::_3,
std11::placeholders::_4,
std11::placeholders::_5,
std11::placeholders::_6));
std11::placeholders::_6,
&outputNode));
// start the stream
interface->start();
// wait 10 second ...
@ -88,6 +124,10 @@ int main(int _argc, const char **_argv) {
// remove interface and manager.
interface.reset();
manager.reset();
// close the output file
if (outputFileName != "") {
outputNode.fileClose();
}
return 0;
}