94 lines
2.8 KiB
C++
94 lines
2.8 KiB
C++
/** @file
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* @author Edouard DUPIN
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* @copyright 2015, Edouard DUPIN, all right reserved
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* @license APACHE v2.0 (see license file)
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*/
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#include <river/river.h>
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#include <river/Manager.h>
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#include <river/Interface.h>
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#include <etk/etk.h>
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#include <unistd.h>
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static const std::string configurationRiver =
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"{\n"
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" microphone:{\n"
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" io:'input',\n"
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" map-on:{\n"
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" interface:'auto',\n"
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" name:'default',\n"
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" },\n"
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" frequency:0,\n"
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" channel-map:['front-left', 'front-right'],\n"
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" type:'auto',\n"
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" nb-chunk:1024\n"
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" }\n"
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"}\n";
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void onDataReceived(const void* _data,
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const std11::chrono::system_clock::time_point& _time,
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size_t _nbChunk,
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enum audio::format _format,
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uint32_t _frequency,
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const std::vector<audio::channel>& _map) {
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if (_format != audio::format_int16) {
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std::cout << "[ERROR] call wrong type ... (need int16_t)" << std::endl;
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}
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const int16_t* data = static_cast<const int16_t*>(_data);
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int64_t value = 0;
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for (size_t iii=0; iii<_nbChunk*_map.size(); ++iii) {
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value += std::abs(data[iii]);
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}
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value /= (_nbChunk*_map.size());
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std::cout << "Get data ... average=" << int32_t(value) << std::endl;
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}
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int main(int _argc, char **_argv) {
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// the only one init for etk:
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etk::init(_argc, _argv);
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for (int32_t iii=0; iii<_argc ; ++iii) {
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std::string data = _argv[iii];
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if ( data == "-h"
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|| data == "--help") {
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std::cout << "Help : " << std::endl;
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std::cout << " ./xxx ---" << std::endl;
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exit(0);
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}
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}
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// initialize river interface
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river::initString(configurationRiver);
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// Create the River manager for tha application or part of the application.
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std11::shared_ptr<river::Manager> manager = river::Manager::create("river_sample_read");
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// create interface:
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std11::shared_ptr<river::Interface> interface;
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//Get the generic input:
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interface = manager->createInput(48000,
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std::vector<audio::channel>(),
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audio::format_int16,
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"microphone");
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if(interface == nullptr) {
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std::cout << "nullptr interface" << std::endl;
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return -1;
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}
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// set callback mode ...
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interface->setInputCallback(std11::bind(&onDataReceived,
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std11::placeholders::_1,
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std11::placeholders::_2,
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std11::placeholders::_3,
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std11::placeholders::_4,
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std11::placeholders::_5,
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std11::placeholders::_6));
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// start the stream
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interface->start();
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// wait 10 second ...
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sleep(10);
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// stop the stream
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interface->stop();
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// remove interface and manager.
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interface.reset();
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manager.reset();
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return 0;
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}
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