kdeng00
45 lines
1.0 KiB
C++
45 lines
1.0 KiB
C++
#include "callback/StreamCallback.h"
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#include <iostream>
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#include <fstream>
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#include <memory>
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namespace callback {
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StreamCallback::StreamCallback() :
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m_counter(0) { }
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StreamCallback::StreamCallback(const std::string& songPath) :
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m_songPath(songPath),
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m_counter(0),
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m_bytesRead(0)
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{
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// getting file size
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std::ifstream song(m_songPath.c_str(), std::ios::binary | std::ios::in | std::ios::ate);
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m_fileSize = song.tellg();
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std::cout << "file size is " << m_fileSize << " bytes" << std::endl;
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}
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oatpp::data::v_io_size StreamCallback::read(void *buff, oatpp::data::v_io_size count)
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{
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if (m_counter >= m_fileSize) {
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std::cout << "done streaming song" << std::endl;
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return 0;
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}
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std::fstream song(m_songPath.c_str(), std::ios::binary | std::ios::in);
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song.seekg(m_counter);
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std::unique_ptr<char[]> data(new char[count]);
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song.read(data.get(), count);
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std::memcpy(buff, data.get(), count);
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m_counter += count;
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song.close();
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return count;
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}
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}
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